diff --git a/asterixdb/asterix-algebra/pom.xml b/asterixdb/asterix-algebra/pom.xml
index 7a32f42..f542af3 100644
--- a/asterixdb/asterix-algebra/pom.xml
+++ b/asterixdb/asterix-algebra/pom.xml
@@ -202,6 +202,10 @@
       <artifactId>hyracks-api</artifactId>
     </dependency>
     <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-client</artifactId>
+    </dependency>
+    <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
     </dependency>
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/DefaultRuleSetFactory.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/DefaultRuleSetFactory.java
index ba42036..67b7910 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/DefaultRuleSetFactory.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/DefaultRuleSetFactory.java
@@ -23,23 +23,33 @@
 
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.optimizer.base.RuleCollections;
-import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialFirstRuleCheckFixpointRuleController;
 import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialFixpointRuleController;
 import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController;
 import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
 import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
 
 public class DefaultRuleSetFactory implements IRuleSetFactory {
 
     @Override
     public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(
-            ICcApplicationContext appCtx) throws AlgebricksException {
+            ICcApplicationContext appCtx) {
         return buildLogical(appCtx);
     }
 
     @Override
+    public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(IRuleSetKind ruleSetKind,
+            ICcApplicationContext appCtx) {
+        if (ruleSetKind == RuleSetKind.SAMPLING) {
+            return buildLogicalSampling();
+        } else {
+            throw new IllegalArgumentException(String.valueOf(ruleSetKind));
+        }
+    }
+
+    @Override
     public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(
             ICcApplicationContext appCtx) {
         return buildPhysical(appCtx);
@@ -66,9 +76,10 @@
         defaultLogicalRewrites
                 .add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildCondPushDownAndJoinInferenceRuleCollection()));
         defaultLogicalRewrites.add(new Pair<>(seqCtrlFullDfs, RuleCollections.buildLoadFieldsRuleCollection(appCtx)));
-        defaultLogicalRewrites.add(new Pair<>(seqOnceCtrl, RuleCollections.buildDataExchangeRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildConsolidationRuleCollection()));
         defaultLogicalRewrites.add(new Pair<>(seqOnceCtrl, RuleCollections.buildFulltextContainsRuleCollection()));
+        defaultLogicalRewrites.add(new Pair<>(seqOnceCtrl, RuleCollections.buildDataExchangeRuleCollection()));
+        defaultLogicalRewrites.add(new Pair<>(seqOnceCtrl, RuleCollections.buildCBORuleCollection()));
+        defaultLogicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildConsolidationRuleCollection()));
         defaultLogicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildAccessMethodRuleCollection()));
         defaultLogicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildPlanCleanupRuleCollection()));
 
@@ -76,6 +87,14 @@
         return defaultLogicalRewrites;
     }
 
+    public static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildLogicalSampling() {
+        List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> logicalRewrites = new ArrayList<>();
+        SequentialFixpointRuleController seqCtrlNoDfs = new SequentialFixpointRuleController(false);
+        logicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildConsolidationRuleCollection()));
+        logicalRewrites.add(new Pair<>(seqCtrlNoDfs, RuleCollections.buildPlanCleanupRuleCollection()));
+        return logicalRewrites;
+    }
+
     public static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildPhysical(
             ICcApplicationContext appCtx) {
         List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> defaultPhysicalRewrites = new ArrayList<>();
@@ -88,5 +107,4 @@
         defaultPhysicalRewrites.add(new Pair<>(seqOnceCtrl, RuleCollections.prepareForJobGenRuleCollection()));
         return defaultPhysicalRewrites;
     }
-
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/ILangCompilationProvider.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/ILangCompilationProvider.java
index f625343..30c6623 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/ILangCompilationProvider.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/ILangCompilationProvider.java
@@ -18,6 +18,8 @@
  */
 package org.apache.asterix.compiler.provider;
 
+import java.util.Set;
+
 import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
 import org.apache.asterix.algebra.base.ILangExtension;
 import org.apache.asterix.lang.common.base.IAstPrintVisitorFactory;
@@ -54,4 +56,9 @@
      * @return the rule set factory of a language implementation
      */
     IRuleSetFactory getRuleSetFactory();
+
+    /**
+     * @return all configurable parameters of a language implementation.
+     */
+    Set<String> getCompilerOptions();
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/IRuleSetFactory.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/IRuleSetFactory.java
index 2300e4a..c643d21 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/IRuleSetFactory.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/IRuleSetFactory.java
@@ -21,24 +21,30 @@
 import java.util.List;
 
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
-import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
 import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
 
 public interface IRuleSetFactory {
 
+    enum RuleSetKind implements IRuleSetKind {
+        SAMPLING
+    }
+
     /**
      * @return the logical rewrites
-     * @throws AlgebricksException
      */
-    public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(
-            ICcApplicationContext appCtx) throws AlgebricksException;
+    List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(ICcApplicationContext appCtx);
+
+    /**
+     * @return the logical rewrites of the specified kind
+     */
+    List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(IRuleSetKind ruleSetKind,
+            ICcApplicationContext appCtx);
 
     /**
      * @return the physical rewrites
      */
-    public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(
-            ICcApplicationContext appCtx) throws AlgebricksException;
-
+    List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(ICcApplicationContext appCtx);
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/SqlppCompilationProvider.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/SqlppCompilationProvider.java
index 2c18d41..4ad888c 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/SqlppCompilationProvider.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/compiler/provider/SqlppCompilationProvider.java
@@ -18,14 +18,27 @@
  */
 package org.apache.asterix.compiler.provider;
 
+import java.util.HashSet;
+import java.util.Set;
+
 import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
 import org.apache.asterix.algebra.base.ILangExtension;
+import org.apache.asterix.common.config.CompilerProperties;
+import org.apache.asterix.external.feed.watch.FeedActivityDetails;
 import org.apache.asterix.lang.common.base.IAstPrintVisitorFactory;
 import org.apache.asterix.lang.common.base.IParserFactory;
 import org.apache.asterix.lang.common.base.IRewriterFactory;
+import org.apache.asterix.lang.common.statement.StartFeedStatement;
+import org.apache.asterix.lang.common.util.FunctionUtil;
 import org.apache.asterix.lang.sqlpp.parser.SqlppParserFactory;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppQueryRewriter;
 import org.apache.asterix.lang.sqlpp.rewrites.SqlppRewriterFactory;
 import org.apache.asterix.lang.sqlpp.visitor.SqlppAstPrintVisitorFactory;
+import org.apache.asterix.optimizer.base.FuzzyUtils;
+import org.apache.asterix.optimizer.rules.DisjunctivePredicateToJoinRule;
+import org.apache.asterix.optimizer.rules.SetAsterixPhysicalOperatorsRule;
+import org.apache.asterix.optimizer.rules.util.EquivalenceClassUtils;
+import org.apache.asterix.translator.SqlppExpressionToPlanTranslator;
 import org.apache.asterix.translator.SqlppExpressionToPlanTranslatorFactory;
 
 public class SqlppCompilationProvider implements ILangCompilationProvider {
@@ -59,4 +72,26 @@
     public IRuleSetFactory getRuleSetFactory() {
         return new DefaultRuleSetFactory();
     }
+
+    @Override
+    public Set<String> getCompilerOptions() {
+        return new HashSet<>(Set.of(CompilerProperties.COMPILER_JOINMEMORY_KEY,
+                CompilerProperties.COMPILER_GROUPMEMORY_KEY, CompilerProperties.COMPILER_SORTMEMORY_KEY,
+                CompilerProperties.COMPILER_WINDOWMEMORY_KEY, CompilerProperties.COMPILER_TEXTSEARCHMEMORY_KEY,
+                CompilerProperties.COMPILER_PARALLELISM_KEY, CompilerProperties.COMPILER_SORT_PARALLEL_KEY,
+                CompilerProperties.COMPILER_SORT_SAMPLES_KEY, CompilerProperties.COMPILER_EXTERNALSCANMEMORY_KEY,
+                CompilerProperties.COMPILER_INDEXONLY_KEY, CompilerProperties.COMPILER_INTERNAL_SANITYCHECK_KEY,
+                CompilerProperties.COMPILER_EXTERNAL_FIELD_PUSHDOWN_KEY, CompilerProperties.COMPILER_SUBPLAN_MERGE_KEY,
+                CompilerProperties.COMPILER_SUBPLAN_NESTEDPUSHDOWN_KEY, CompilerProperties.COMPILER_ARRAYINDEX_KEY,
+                CompilerProperties.COMPILER_CBO_KEY, CompilerProperties.COMPILER_CBO_TEST_KEY,
+                CompilerProperties.COMPILER_FORCE_JOIN_ORDER_KEY, CompilerProperties.COMPILER_QUERY_PLAN_SHAPE_KEY,
+                CompilerProperties.COMPILER_MIN_MEMORY_ALLOCATION_KEY, FunctionUtil.IMPORT_PRIVATE_FUNCTIONS,
+                FuzzyUtils.SIM_FUNCTION_PROP_NAME, FuzzyUtils.SIM_THRESHOLD_PROP_NAME,
+                StartFeedStatement.WAIT_FOR_COMPLETION, FeedActivityDetails.FEED_POLICY_NAME,
+                FeedActivityDetails.COLLECT_LOCATIONS, SqlppQueryRewriter.INLINE_WITH_OPTION,
+                SqlppExpressionToPlanTranslator.REWRITE_IN_AS_OR_OPTION, "hash_merge", "output-record-type",
+                DisjunctivePredicateToJoinRule.REWRITE_OR_AS_JOIN_OPTION,
+                SetAsterixPhysicalOperatorsRule.REWRITE_ATTEMPT_BATCH_ASSIGN,
+                EquivalenceClassUtils.REWRITE_INTERNAL_QUERYUID_PK, SqlppQueryRewriter.SQL_COMPAT_OPTION));
+    }
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AnalysisUtil.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AnalysisUtil.java
index 8b5c8bc..b6f79d9 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AnalysisUtil.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AnalysisUtil.java
@@ -18,32 +18,70 @@
  */
 package org.apache.asterix.optimizer.base;
 
+import java.io.DataInputStream;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
 import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.common.transactions.TxnId;
+import org.apache.asterix.common.utils.JobUtils;
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
 import org.apache.asterix.metadata.declared.DataSourceId;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.declared.ResultSetDataSink;
+import org.apache.asterix.metadata.declared.ResultSetSinkId;
+import org.apache.asterix.om.base.IAObject;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.optimizer.rules.am.AccessMethodUtils;
+import org.apache.asterix.runtime.job.listener.JobEventListenerFactory;
+import org.apache.asterix.translator.ResultMetadata;
+import org.apache.asterix.translator.SessionConfig;
 import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.commons.lang3.mutable.MutableObject;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.compiler.api.ICompiler;
+import org.apache.hyracks.algebricks.compiler.api.ICompilerFactory;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractDataSourceOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.WindowOperator;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.result.IResultSetReader;
+import org.apache.hyracks.api.result.ResultSetId;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.data.std.util.ByteArrayAccessibleInputStream;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public class AnalysisUtil {
+
+    private static final List<FunctionIdentifier> fieldAccessFunctions =
+            Arrays.asList(BuiltinFunctions.GET_DATA, BuiltinFunctions.GET_HANDLE, BuiltinFunctions.TYPE_OF);
+
     /*
      * If the first child of op is of type opType, then it returns that child,
      * o/w returns null.
@@ -204,11 +242,86 @@
         return true;
     }
 
-    private static List<FunctionIdentifier> fieldAccessFunctions = new ArrayList<>();
+    public static List<List<IAObject>> runQuery(Mutable<ILogicalOperator> topOp, List<LogicalVariable> resultVars,
+            IOptimizationContext queryOptCtx, IRuleSetKind ruleSetKind) throws AlgebricksException {
 
-    static {
-        fieldAccessFunctions.add(BuiltinFunctions.GET_DATA);
-        fieldAccessFunctions.add(BuiltinFunctions.GET_HANDLE);
-        fieldAccessFunctions.add(BuiltinFunctions.TYPE_OF);
+        MetadataProvider metadataProvider = (MetadataProvider) queryOptCtx.getMetadataProvider();
+        ICcApplicationContext appCtx = metadataProvider.getApplicationContext();
+        TxnId mainTxnId = metadataProvider.getTxnId();
+        try {
+            TxnId newTxnId = metadataProvider.getTxnIdFactory().create();
+            metadataProvider.setTxnId(newTxnId);
+
+            IVariableTypeEnvironment topOpTypeEnv = queryOptCtx.getOutputTypeEnvironment(topOp.getValue());
+            SerializerDeserializerProvider serdeProvider = SerializerDeserializerProvider.INSTANCE;
+
+            int nFields = resultVars.size();
+            List<Mutable<ILogicalExpression>> resultExprList = new ArrayList<>(nFields);
+            List<ISerializerDeserializer<?>> resultSerdeList = new ArrayList<>(nFields);
+
+            for (LogicalVariable var : resultVars) {
+                Object varType = topOpTypeEnv.getVarType(var);
+                if (varType == null) {
+                    throw new IllegalArgumentException("Cannot determine type of " + var);
+                }
+                resultSerdeList.add(serdeProvider.getSerializerDeserializer(varType));
+                resultExprList.add(new MutableObject<>(new VariableReferenceExpression(var)));
+            }
+
+            ResultMetadata resultMetadata = new ResultMetadata(SessionConfig.OutputFormat.ADM);
+            ResultSetId resultSetId = new ResultSetId(metadataProvider.getResultSetIdCounter().getAndInc());
+            ResultSetSinkId rssId = new ResultSetSinkId(resultSetId);
+            ResultSetDataSink sink = new ResultSetDataSink(rssId, null);
+
+            DistributeResultOperator resultOp = new DistributeResultOperator(resultExprList, sink, resultMetadata);
+            resultOp.getInputs().add(topOp);
+            queryOptCtx.computeAndSetTypeEnvironmentForOperator(resultOp);
+
+            MutableObject<ILogicalOperator> newResultOpRef = new MutableObject<>(resultOp);
+
+            ICompilerFactory compilerFactory = (ICompilerFactory) queryOptCtx.getCompilerFactory();
+            ICompiler compiler =
+                    compilerFactory.createCompiler(new ALogicalPlanImpl(newResultOpRef), queryOptCtx, ruleSetKind);
+            compiler.optimize();
+
+            JobSpecification jobSpec = compiler.createJob(appCtx, new JobEventListenerFactory(newTxnId, false));
+
+            JobId jobId = JobUtils.runJob(appCtx.getHcc(), jobSpec, true);
+
+            IResultSetReader resultSetReader = appCtx.getResultSet().createReader(jobId, resultSetId);
+            FrameManager frameManager = new FrameManager(queryOptCtx.getPhysicalOptimizationConfig().getFrameSize());
+            IFrame frame = new VSizeFrame(frameManager);
+
+            FrameTupleAccessor fta = new FrameTupleAccessor(null);
+            ByteArrayAccessibleInputStream bais = new ByteArrayAccessibleInputStream(frame.getBuffer().array(), 0, 0);
+            DataInputStream dis = new DataInputStream(bais);
+            List<List<IAObject>> result = new ArrayList<>();
+
+            while (resultSetReader.read(frame) > 0) {
+                ByteBuffer buffer = frame.getBuffer();
+                fta.reset(buffer);
+                int nTuples = fta.getTupleCount();
+                for (int tupleIdx = 0; tupleIdx < nTuples; tupleIdx++) {
+                    int tupleStart = fta.getTupleStartOffset(tupleIdx);
+                    int tupleEnd = fta.getTupleEndOffset(tupleIdx);
+                    bais.setContent(buffer.array(), tupleStart, tupleEnd - tupleStart);
+
+                    List<IAObject> values = new ArrayList<>(nFields);
+                    for (int fieldIdx = 0; fieldIdx < nFields; fieldIdx++) {
+                        IAObject value = (IAObject) resultSerdeList.get(fieldIdx).deserialize(dis);
+                        values.add(value);
+                    }
+                    result.add(values);
+                }
+            }
+
+            return result;
+        } catch (AlgebricksException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new AlgebricksException(e);
+        } finally {
+            metadataProvider.setTxnId(mainTxnId);
+        }
     }
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AsterixOptimizationContext.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AsterixOptimizationContext.java
index 51c03eb..7b2dd7a 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AsterixOptimizationContext.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AsterixOptimizationContext.java
@@ -31,6 +31,7 @@
 import org.apache.hyracks.algebricks.core.algebra.expressions.IMissableTypeComputer;
 import org.apache.hyracks.algebricks.core.algebra.prettyprint.IPlanPrettyPrinter;
 import org.apache.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
 
@@ -39,17 +40,24 @@
 
 public final class AsterixOptimizationContext extends AlgebricksOptimizationContext {
 
-    private final Int2ObjectMap<Set<DataSource>> dataSourceMap = new Int2ObjectOpenHashMap<>();
+    private final Int2ObjectOpenHashMap<Set<DataSource>> dataSourceMap;
 
-    public AsterixOptimizationContext(int varCounter, IExpressionEvalSizeComputer expressionEvalSizeComputer,
+    public AsterixOptimizationContext(IOptimizationContextFactory optContextFactory, int varCounter,
+            IExpressionEvalSizeComputer expressionEvalSizeComputer,
             IMergeAggregationExpressionFactory mergeAggregationExpressionFactory,
             IExpressionTypeComputer expressionTypeComputer, IMissableTypeComputer nullableTypeComputer,
             IConflictingTypeResolver conflictingTypeResovler, PhysicalOptimizationConfig physicalOptimizationConfig,
             AlgebricksPartitionConstraint clusterLocations, IPlanPrettyPrinter prettyPrinter,
             IWarningCollector warningCollector) {
-        super(varCounter, expressionEvalSizeComputer, mergeAggregationExpressionFactory, expressionTypeComputer,
-                nullableTypeComputer, conflictingTypeResovler, physicalOptimizationConfig, clusterLocations,
-                prettyPrinter, warningCollector);
+        super(optContextFactory, varCounter, expressionEvalSizeComputer, mergeAggregationExpressionFactory,
+                expressionTypeComputer, nullableTypeComputer, conflictingTypeResovler, physicalOptimizationConfig,
+                clusterLocations, prettyPrinter, warningCollector);
+        dataSourceMap = new Int2ObjectOpenHashMap<>();
+    }
+
+    public AsterixOptimizationContext(AsterixOptimizationContext from) {
+        super(from);
+        dataSourceMap = from.dataSourceMap.clone();
     }
 
     public void addDataSource(DataSource dataSource) {
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/RuleCollections.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/RuleCollections.java
index 5493dd1..473c8ec 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/RuleCollections.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/RuleCollections.java
@@ -26,6 +26,7 @@
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.optimizer.rules.AddEquivalenceClassForRecordConstructorRule;
+import org.apache.asterix.optimizer.rules.AnnotateOperatorCostCardinalityRule;
 import org.apache.asterix.optimizer.rules.AsterixConsolidateWindowOperatorsRule;
 import org.apache.asterix.optimizer.rules.AsterixExtractFunctionsFromJoinConditionRule;
 import org.apache.asterix.optimizer.rules.AsterixInlineVariablesRule;
@@ -80,9 +81,11 @@
 import org.apache.asterix.optimizer.rules.PushValueAccessToExternalDataScanRule;
 import org.apache.asterix.optimizer.rules.RemoveDuplicateFieldsRule;
 import org.apache.asterix.optimizer.rules.RemoveLeftOuterUnnestForLeftOuterJoinRule;
+import org.apache.asterix.optimizer.rules.RemoveOrReplaceDefaultNullCastRule;
 import org.apache.asterix.optimizer.rules.RemoveRedundantListifyRule;
 import org.apache.asterix.optimizer.rules.RemoveRedundantSelectRule;
 import org.apache.asterix.optimizer.rules.RemoveSortInFeedIngestionRule;
+import org.apache.asterix.optimizer.rules.RemoveUnknownCheckForKnownTypeExpressionRule;
 import org.apache.asterix.optimizer.rules.RemoveUnusedOneToOneEquiJoinRule;
 import org.apache.asterix.optimizer.rules.RewriteDistinctAggregateRule;
 import org.apache.asterix.optimizer.rules.SetAsterixMemoryRequirementsRule;
@@ -96,6 +99,8 @@
 import org.apache.asterix.optimizer.rules.am.IntroduceLSMComponentFilterRule;
 import org.apache.asterix.optimizer.rules.am.IntroducePrimaryIndexForAggregationRule;
 import org.apache.asterix.optimizer.rules.am.IntroduceSelectAccessMethodRule;
+import org.apache.asterix.optimizer.rules.cbo.EnumerateJoinsRule;
+import org.apache.asterix.optimizer.rules.cbo.JoinEnum;
 import org.apache.asterix.optimizer.rules.subplan.AsterixMoveFreeVariableOperatorOutOfSubplanRule;
 import org.apache.asterix.optimizer.rules.subplan.InlineSubplanInputForNestedTupleSourceRule;
 import org.apache.asterix.optimizer.rules.temporal.TranslateIntervalExpressionRule;
@@ -339,6 +344,12 @@
         planCleanupRules.add(new RemoveCartesianProductWithEmptyBranchRule());
         planCleanupRules.add(new InjectTypeCastForFunctionArgumentsRule());
         planCleanupRules.add(new InjectTypeCastForUnionRule());
+        // (1) RemoveOrReplaceDefaultNullCastRule and (2) RemoveUnknownCheckForKnownTypesRule has to run in this order
+        // to ensure removing unknown checks, which requires the removal of null producers by (1)
+        planCleanupRules.add(new RemoveOrReplaceDefaultNullCastRule());
+        planCleanupRules.add(new RemoveUnknownCheckForKnownTypeExpressionRule());
+        // relies on RemoveOrReplaceDefaultNullCastRule AND RemoveUnknownCheckForKnownTypeExpressionRule
+        planCleanupRules.add(new RemoveRedundantSelectRule());
 
         // Needs to invoke ByNameToByIndexFieldAccessRule as the last logical optimization rule because
         // some rules can push a FieldAccessByName to a place where the name it tries to access is in the closed part.
@@ -354,6 +365,15 @@
         return dataExchange;
     }
 
+    public static final List<IAlgebraicRewriteRule> buildCBORuleCollection() {
+        List<IAlgebraicRewriteRule> cbo = new LinkedList<>();
+        cbo.add(new ConsolidateSelectsRule());
+        cbo.add(new EnumerateJoinsRule(new JoinEnum()));
+        cbo.add(new ReinferAllTypesRule());
+        cbo.add(new AsterixExtractFunctionsFromJoinConditionRule());
+        return cbo;
+    }
+
     public static final List<IAlgebraicRewriteRule> buildPhysicalRewritesAllLevelsRuleCollection() {
         List<IAlgebraicRewriteRule> physicalRewritesAllLevels = new LinkedList<>();
         physicalRewritesAllLevels.add(new PullSelectOutOfEqJoin());
@@ -375,7 +395,7 @@
         physicalRewritesAllLevels.add(new InlineSingleReferenceVariablesRule());
         physicalRewritesAllLevels.add(new RemoveUnusedAssignAndAggregateRule());
         physicalRewritesAllLevels.add(new ConsolidateAssignsRule(true));
-        // After adding projects, we may need need to set physical operators again.
+        // After adding projects, we may need to set physical operators again.
         physicalRewritesAllLevels.add(new SetAsterixPhysicalOperatorsRule());
         // Optimized spatial join's query plan produces more join conditions, so we need to pull out these conditions
         physicalRewritesAllLevels.add(new PullSelectOutOfSpatialJoin());
@@ -420,6 +440,7 @@
         prepareForJobGenRewrites.add(new SweepIllegalNonfunctionalFunctions());
         prepareForJobGenRewrites.add(new FixReplicateOperatorOutputsRule());
         prepareForJobGenRewrites.add(new PopulateResultMetadataRule());
+        prepareForJobGenRewrites.add(new AnnotateOperatorCostCardinalityRule());
         return prepareForJobGenRewrites;
     }
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/Cost.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/Cost.java
new file mode 100644
index 0000000..5dda277
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/Cost.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.cost;
+
+public class Cost implements ICost {
+
+    public static final double MAX_CARD = 1.0e200;
+    protected static final int COST_EQ = 0;
+
+    private final double cost;
+
+    public Cost() {
+        this.cost = 0.0;
+    }
+
+    public Cost(double cost) {
+        this.cost = cost;
+    }
+
+    @Override
+    public ICost zeroCost() {
+        return new Cost();
+    }
+
+    @Override
+    public ICost maxCost() {
+        return new Cost(MAX_CARD);
+    }
+
+    @Override
+    public ICost costAdd(ICost cost) {
+        return new Cost(computeTotalCost() + cost.computeTotalCost());
+    }
+
+    @Override
+    public boolean costEQ(ICost cost) {
+        return compareTo(cost) == COST_EQ;
+    }
+
+    @Override
+    public boolean costLT(ICost cost) {
+        return compareTo(cost) < COST_EQ;
+    }
+
+    @Override
+    public boolean costGT(ICost cost) {
+        return compareTo(cost) > COST_EQ;
+    }
+
+    @Override
+    public boolean costLE(ICost cost) {
+        return compareTo(cost) <= COST_EQ;
+    }
+
+    @Override
+    public boolean costGE(ICost cost) {
+        return compareTo(cost) >= COST_EQ;
+    }
+
+    @Override
+    public double computeTotalCost() {
+        return cost;
+    }
+
+    @Override
+    public int compareTo(ICost cost) {
+        return Double.compare(computeTotalCost(), cost.computeTotalCost());
+    }
+
+    @Override
+    public String toString() {
+        return Double.toString(cost);
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/CostMethods.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/CostMethods.java
new file mode 100644
index 0000000..5dafa54
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/CostMethods.java
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.cost;
+
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.optimizer.rules.cbo.JoinNode;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+
+public class CostMethods implements ICostMethods {
+
+    protected IOptimizationContext optCtx;
+    protected PhysicalOptimizationConfig physOptConfig;
+    protected long blockSize;
+    protected long DOP;
+    protected double maxMemorySize;
+
+    public CostMethods(IOptimizationContext context) {
+        optCtx = context;
+        physOptConfig = context.getPhysicalOptimizationConfig();
+        blockSize = getBufferCachePageSize();
+        DOP = getDOP();
+        maxMemorySize = getMaxMemorySize();
+    }
+
+    public long getBufferCacheSize() {
+        MetadataProvider metadataProvider = (MetadataProvider) optCtx.getMetadataProvider();
+        return metadataProvider.getStorageProperties().getBufferCacheSize();
+    }
+
+    public long getBufferCachePageSize() {
+        MetadataProvider metadataProvider = (MetadataProvider) optCtx.getMetadataProvider();
+        return metadataProvider.getStorageProperties().getBufferCachePageSize();
+    }
+
+    public long getDOP() {
+        return optCtx.getComputationNodeDomain().cardinality();
+    }
+
+    public double getMaxMemorySize() {
+        return physOptConfig.getMaxFramesForJoin() * physOptConfig.getFrameSize();
+    }
+
+    // These cost methods are very simple and rudimentary for now. These can be improved by asterixdb developers as needed.
+    public Cost costFullScan(JoinNode jn) {
+        return new Cost(jn.computeJoinCardinality());
+    }
+
+    public Cost costIndexScan(JoinNode jn) {
+        return new Cost(jn.computeJoinCardinality());
+    }
+
+    public Cost costHashJoin(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(leftJn.computeJoinCardinality() + rightJn.computeJoinCardinality());
+    }
+
+    public Cost computeHJProbeExchangeCost(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        return new Cost(leftJn.computeJoinCardinality());
+    }
+
+    public Cost computeHJBuildExchangeCost(JoinNode jn) {
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(rightJn.computeJoinCardinality());
+    }
+
+    public Cost costBroadcastHashJoin(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(leftJn.computeJoinCardinality() + DOP * rightJn.computeJoinCardinality());
+    }
+
+    public Cost computeBHJBuildExchangeCost(JoinNode jn) {
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(DOP * rightJn.computeJoinCardinality());
+    }
+
+    public Cost costIndexNLJoin(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(leftJn.computeJoinCardinality());
+    }
+
+    public Cost computeNLJOuterExchangeCost(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        return new Cost(DOP * leftJn.computeJoinCardinality());
+    }
+
+    public Cost costCartesianProductJoin(JoinNode jn) {
+        JoinNode leftJn = jn.getLeftJn();
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(leftJn.computeJoinCardinality() * rightJn.computeJoinCardinality());
+    }
+
+    public Cost computeCPRightExchangeCost(JoinNode jn) {
+        JoinNode rightJn = jn.getRightJn();
+        return new Cost(DOP * rightJn.computeJoinCardinality());
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICost.java
similarity index 67%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICost.java
index 6095b26..99c3362 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICost.java
@@ -17,8 +17,26 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+package org.apache.asterix.optimizer.cost;
 
-select value v from range(1,2) v where v > ?;
+public interface ICost extends Comparable<ICost> {
+
+    ICost zeroCost();
+
+    ICost maxCost();
+
+    ICost costAdd(ICost cost);
+
+    boolean costEQ(ICost cost);
+
+    boolean costLT(ICost cost);
+
+    boolean costGT(ICost cost);
+
+    boolean costLE(ICost cost);
+
+    boolean costGE(ICost cost);
+
+    double computeTotalCost();
+
+}
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICostMethods.java
similarity index 65%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICostMethods.java
index 6095b26..47ef617 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/cost/ICostMethods.java
@@ -17,8 +17,20 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+package org.apache.asterix.optimizer.cost;
 
-select value v from range(1,2) v where v > ?;
+import org.apache.asterix.optimizer.rules.cbo.JoinNode;
+
+public interface ICostMethods {
+    Cost costFullScan(JoinNode jn);
+
+    Cost costIndexScan(JoinNode jn);
+
+    Cost costHashJoin(JoinNode currentJn);
+
+    Cost costBroadcastHashJoin(JoinNode currentJn);
+
+    Cost costIndexNLJoin(JoinNode currentJn);
+
+    Cost costCartesianProductJoin(JoinNode currentJn);
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/AnnotateOperatorCostCardinalityRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/AnnotateOperatorCostCardinalityRule.java
new file mode 100644
index 0000000..b253a1d
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/AnnotateOperatorCostCardinalityRule.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.optimizer.rules;
+
+import org.apache.asterix.optimizer.rules.cbo.EstimatedCostComputationVisitor;
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+/**
+ * This rule annotates the operators with their estimated cardinality and estimated cost.
+ */
+public class AnnotateOperatorCostCardinalityRule implements IAlgebraicRewriteRule {
+
+    private boolean hasApplied = false;
+
+    public AnnotateOperatorCostCardinalityRule() {
+    }
+
+    @Override
+    public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        if (hasApplied) {
+            return false;
+        }
+        hasApplied = true;
+        EstimatedCostComputationVisitor estCostCompVisitor = new EstimatedCostComputationVisitor();
+        opRef.getValue().accept(estCostCompVisitor, null);
+        return true;
+    }
+
+    @Override
+    public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        return false;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/ConstantFoldingRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/ConstantFoldingRule.java
index 10aedc7..fe000c3 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/ConstantFoldingRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/ConstantFoldingRule.java
@@ -29,7 +29,6 @@
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
-import org.apache.asterix.common.exceptions.NoOpWarningCollector;
 import org.apache.asterix.common.exceptions.WarningCollector;
 import org.apache.asterix.dataflow.data.common.ExpressionTypeComputer;
 import org.apache.asterix.dataflow.data.nontagged.MissingWriterFactory;
@@ -90,11 +89,14 @@
 import org.apache.hyracks.algebricks.runtime.base.IEvaluatorContext;
 import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
 import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.serializer.ResultSerializerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
 import org.apache.hyracks.api.application.IServiceContext;
 import org.apache.hyracks.api.context.IHyracksTaskContext;
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
+import org.apache.hyracks.api.exceptions.NoOpWarningCollector;
 import org.apache.hyracks.api.exceptions.Warning;
 import org.apache.hyracks.data.std.api.IPointable;
 import org.apache.hyracks.data.std.primitive.VoidPointable;
@@ -151,8 +153,9 @@
         jobGenCtx = new JobGenContext(null, metadataProvider, appCtx, SerializerDeserializerProvider.INSTANCE,
                 BinaryHashFunctionFactoryProvider.INSTANCE, BinaryHashFunctionFamilyProvider.INSTANCE,
                 BinaryComparatorFactoryProvider.INSTANCE, TypeTraitProvider.INSTANCE, BinaryBooleanInspector.FACTORY,
-                BinaryIntegerInspector.FACTORY, ADMPrinterFactoryProvider.INSTANCE, MissingWriterFactory.INSTANCE,
-                NullWriterFactory.INSTANCE, UnnestingPositionWriterFactory.INSTANCE, null,
+                BinaryIntegerInspector.FACTORY, ADMPrinterFactoryProvider.INSTANCE, PrinterBasedWriterFactory.INSTANCE,
+                ResultSerializerFactoryProvider.INSTANCE, MissingWriterFactory.INSTANCE, NullWriterFactory.INSTANCE,
+                UnnestingPositionWriterFactory.INSTANCE, null,
                 new ExpressionRuntimeProvider(new QueryLogicalExpressionJobGen(metadataProvider.getFunctionManager())),
                 ExpressionTypeComputer.INSTANCE, null, null, null, null, GlobalConfig.DEFAULT_FRAME_SIZE, null,
                 NoOpWarningCollector.INSTANCE, 0, new PhysicalOptimizationConfig());
@@ -218,10 +221,10 @@
             boolean changed = constantFoldArgs(expr, arg);
             List<Mutable<ILogicalExpression>> argList = expr.getArguments();
             int argConstantCount = countConstantArgs(argList);
+            FunctionIdentifier fid = expr.getFunctionIdentifier();
             if (argConstantCount != argList.size()) {
-                if (argConstantCount > 0 && expr.getFunctionIdentifier().equals(BuiltinFunctions.OR)
-                        && expr.isFunctional()) {
-                    if (foldOrArgs(expr)) {
+                if (argConstantCount > 0 && (BuiltinFunctions.OR.equals(fid) || BuiltinFunctions.AND.equals(fid))) {
+                    if (foldOrAndArgs(expr)) {
                         ILogicalExpression changedExpr =
                                 expr.getArguments().size() == 1 ? expr.getArguments().get(0).getValue() : expr;
                         return new Pair<>(true, changedExpr);
@@ -235,7 +238,7 @@
             }
 
             try {
-                if (expr.getFunctionIdentifier().equals(BuiltinFunctions.FIELD_ACCESS_BY_NAME)) {
+                if (BuiltinFunctions.FIELD_ACCESS_BY_NAME.equals(fid)) {
                     IAType argType = (IAType) _emptyTypeEnv.getType(expr.getArguments().get(0).getValue());
                     if (argType.getTypeTag() == ATypeTag.OBJECT) {
                         ARecordType rt = (ARecordType) argType;
@@ -247,7 +250,7 @@
                         }
                     }
                 }
-                IAObject c = FUNC_ID_TO_CONSTANT.get(expr.getFunctionIdentifier());
+                IAObject c = FUNC_ID_TO_CONSTANT.get(fid);
                 if (c != null) {
                     ConstantExpression constantExpression = new ConstantExpression(new AsterixConstantValue(c));
                     constantExpression.setSourceLocation(expr.getSourceLocation());
@@ -427,7 +430,7 @@
             return true;
         }
 
-        private boolean foldOrArgs(ScalarFunctionCallExpression expr) {
+        private boolean foldOrAndArgs(ScalarFunctionCallExpression expr) {
             // or(true,x,y) -> true; or(false,x,y) -> or(x,y)
             boolean changed = false;
             List<Mutable<ILogicalExpression>> argList = expr.getArguments();
@@ -439,15 +442,21 @@
                 if (argExpr.getExpressionTag() != LogicalExpressionTag.CONSTANT) {
                     continue;
                 }
+
                 ConstantExpression cExpr = (ConstantExpression) argExpr;
                 IAlgebricksConstantValue cValue = cExpr.getValue();
-                if (cValue.isTrue()) {
+                FunctionIdentifier fid = expr.getFunctionIdentifier();
+
+                if (replaceAndReturn(cValue, fid)) {
                     // or(true,x,y) -> true;
+                    // and(false, x, y) -> false
                     argList.clear();
                     argList.add(argExprRef);
                     return true;
-                } else if (cValue.isFalse()) {
-                    // remove 'false' from arg list, but save the expression.
+                } else if (removeAndContinue(cValue, fid)) {
+                    // or(false, x, y) -> or(x, y)
+                    // and(true, x, y) -> and(x, y)
+                    // remove 'false' (or 'true') from arg list, but save the expression.
                     argFalse = argExprRef;
                     argIter.remove();
                     changed = true;
@@ -459,6 +468,24 @@
             return changed;
         }
 
+        private boolean replaceAndReturn(IAlgebricksConstantValue cValue, FunctionIdentifier fid) {
+            if (BuiltinFunctions.OR.equals(fid)) {
+                return cValue.isTrue();
+            } else {
+                // BuiltinFunctions.AND
+                return cValue.isFalse();
+            }
+        }
+
+        private boolean removeAndContinue(IAlgebricksConstantValue cValue, FunctionIdentifier fid) {
+            if (BuiltinFunctions.OR.equals(fid)) {
+                return cValue.isFalse();
+            } else {
+                // BuiltinFunctions.AND
+                return cValue.isTrue();
+            }
+        }
+
         // IEvaluatorContext
 
         @Override
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java
index 3fc178a..09ad4d1 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java
@@ -27,6 +27,7 @@
 import java.util.Objects;
 import java.util.Set;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import org.apache.asterix.algebra.operators.CommitOperator;
 import org.apache.asterix.common.config.DatasetConfig.DatasetType;
@@ -190,18 +191,21 @@
             metaType = (ARecordType) mp.findType(dataset.getMetaItemTypeDataverseName(), dataset.getMetaItemTypeName());
         }
         List<Index> indexes = mp.getDatasetIndexes(dataset.getDataverseName(), dataset.getDatasetName());
+        Stream<Index> indexStream = indexes.stream();
+        indexStream = indexStream.filter(index -> index.getIndexType() != IndexType.SAMPLE);
         if (primaryIndexModificationOp.getOperation() == Kind.INSERT && !primaryIndexModificationOp.isBulkload()) {
             // for insert, primary key index is handled together when primary index
-            indexes = indexes.stream().filter(index -> !index.isPrimaryKeyIndex()).collect(Collectors.toList());
+            indexStream = indexStream.filter(index -> !index.isPrimaryKeyIndex());
         }
-
-        // Set the top operator pointer to the primary IndexInsertDeleteOperator
-        ILogicalOperator currentTop = primaryIndexModificationOp;
+        indexes = indexStream.collect(Collectors.toList());
 
         // Put an n-gram or a keyword index in the later stage of index-update,
         // since TokenizeOperator needs to be involved.
         Collections.sort(indexes, (o1, o2) -> o1.getIndexType().ordinal() - o2.getIndexType().ordinal());
 
+        // Set the top operator pointer to the primary IndexInsertDeleteOperator
+        ILogicalOperator currentTop = primaryIndexModificationOp;
+
         // At this point, we have the data type info, and the indexes info as well
         int secondaryIndexTotalCnt = indexes.size() - 1;
         if (secondaryIndexTotalCnt > 0) {
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
index b9d512b..42cce52 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
@@ -27,6 +27,7 @@
 import org.apache.asterix.algebra.base.OperatorAnnotation;
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.lang.common.util.FunctionUtil;
 import org.apache.asterix.om.base.AInt32;
 import org.apache.asterix.om.base.AString;
 import org.apache.asterix.om.constants.AsterixConstantValue;
@@ -64,7 +65,7 @@
 
 public class LoadRecordFieldsRule implements IAlgebraicRewriteRule {
 
-    private ExtractFieldLoadExpressionVisitor exprVisitor = new ExtractFieldLoadExpressionVisitor();
+    private final ExtractFieldLoadExpressionVisitor exprVisitor = new ExtractFieldLoadExpressionVisitor();
 
     @Override
     public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) {
@@ -98,13 +99,13 @@
             // checking if we can annotate a Selection as using just one field
             // access
             SelectOperator sigma = (SelectOperator) op1;
-            LinkedList<LogicalVariable> vars = new LinkedList<LogicalVariable>();
+            List<LogicalVariable> vars = new ArrayList<>();
             VariableUtilities.getUsedVariables(sigma, vars);
             if (vars.size() == 1) {
                 // we can annotate Selection
                 AssignOperator assign1 = (AssignOperator) op1.getInputs().get(0).getValue();
-                AbstractLogicalExpression expr1 = (AbstractLogicalExpression) getFirstExpr(assign1);
-                if (expr1.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
+                ILogicalExpression expr1 = getFirstExpr(assign1);
+                if (FunctionUtil.isFieldAccessFunction(expr1)) {
                     AbstractFunctionCallExpression f = (AbstractFunctionCallExpression) expr1;
                     // f should be a call to a field/data access kind of
                     // function
@@ -141,7 +142,7 @@
                     }
                     // create an assign
                     LogicalVariable v = context.newVar();
-                    AssignOperator a2 = new AssignOperator(v, new MutableObject<ILogicalExpression>(f));
+                    AssignOperator a2 = new AssignOperator(v, new MutableObject<>(f));
                     a2.setSourceLocation(expr.getSourceLocation());
                     pushFieldAssign(a2, topOp, context);
                     context.computeAndSetTypeEnvironmentForOperator(a2);
@@ -151,7 +152,7 @@
                         LogicalVariable var = ref.getVariableReference();
                         List<LogicalVariable> keys = context.findPrimaryKey(var);
                         if (keys != null) {
-                            List<LogicalVariable> tail = new ArrayList<LogicalVariable>();
+                            List<LogicalVariable> tail = new ArrayList<>();
                             tail.add(v);
                             FunctionalDependency pk = new FunctionalDependency(keys, tail);
                             context.addPrimaryKey(pk);
@@ -408,5 +409,4 @@
     private static ILogicalExpression getFirstExpr(AssignOperator assign) {
         return assign.getExpressions().get(0).getValue();
     }
-
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/MetaFunctionToMetaVariableRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/MetaFunctionToMetaVariableRule.java
index aa2b8fd..036c456 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/MetaFunctionToMetaVariableRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/MetaFunctionToMetaVariableRule.java
@@ -95,7 +95,8 @@
             if (dataSource.getDatasourceType() != DataSource.Type.EXTERNAL_DATASET
                     && dataSource.getDatasourceType() != DataSource.Type.INTERNAL_DATASET
                     && dataSource.getDatasourceType() != DataSource.Type.LOADABLE
-                    && dataSource.getDatasourceType() != DataSource.Type.FUNCTION) {
+                    && dataSource.getDatasourceType() != DataSource.Type.FUNCTION
+                    && dataSource.getDatasourceType() != DataSource.Type.SAMPLE) {
                 IMutationDataSource mds = (IMutationDataSource) dataSource;
                 if (mds.isChange()) {
                     transformers = new ArrayList<>();
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveOrReplaceDefaultNullCastRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveOrReplaceDefaultNullCastRule.java
new file mode 100644
index 0000000..5791bd7
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveOrReplaceDefaultNullCastRule.java
@@ -0,0 +1,180 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.optimizer.rules;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.AUnionType;
+import org.apache.asterix.om.types.IAType;
+import org.apache.asterix.om.types.hierachy.ATypeHierarchy;
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+/**
+ * This rule removes unnecessary default-null casts functions for known types
+ * For example:
+ * <p>
+ * Before:
+ * assign [$$uid] <- [uuid-default-null(uuid())]
+ * After:
+ * assign [$$uid] <- [uuid()]
+ * <p>
+ * Before:
+ * assign [$$uid] <- [string-default-null(uuid())]
+ * After:
+ * assign [$$uid] <- [string(uuid())]
+ * <p>
+ * It is known that uuid() will not produce a null value. Hence, casting it using uuid-default-null() or
+ * string-default-null() are useless
+ */
+public class RemoveOrReplaceDefaultNullCastRule implements IAlgebraicRewriteRule {
+    private static final Map<FunctionIdentifier, FunctionIdentifier> CAST_MAP;
+
+    static {
+        CAST_MAP = new HashMap<>();
+        CAST_MAP.put(BuiltinFunctions.BOOLEAN_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.BOOLEAN_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.INT8_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.INT8_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.INT16_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.INT16_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.INT32_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.INT32_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.INT64_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.INT64_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.FLOAT_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.FLOAT_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.DOUBLE_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.DOUBLE_CONSTRUCTOR);
+
+        // *_DEFAULT_NULL_WITH_FORMAT_CONSTRUCTOR are not considered here as format may differ from the original value
+        CAST_MAP.put(BuiltinFunctions.DATE_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.DATE_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.TIME_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.TIME_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.DATETIME_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.DATETIME_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.DURATION_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.DURATION_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.DAY_TIME_DURATION_DEFAULT_NULL_CONSTRUCTOR,
+                BuiltinFunctions.DAY_TIME_DURATION_CONSTRUCTOR);
+        CAST_MAP.put(BuiltinFunctions.YEAR_MONTH_DURATION_DEFAULT_NULL_CONSTRUCTOR,
+                BuiltinFunctions.YEAR_MONTH_DURATION_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.STRING_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.STRING_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.BINARY_BASE64_DEFAULT_NULL_CONSTRUCTOR,
+                BuiltinFunctions.BINARY_BASE64_CONSTRUCTOR);
+
+        CAST_MAP.put(BuiltinFunctions.UUID_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.UUID_CONSTRUCTOR);
+    }
+
+    @Override
+    public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        ILogicalOperator op = opRef.getValue();
+
+        if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
+            //process assign
+            AssignOperator assignOp = (AssignOperator) op;
+            return processExpressions(context, assignOp, assignOp.getExpressions());
+        } else if (op.getOperatorTag() == LogicalOperatorTag.SELECT) {
+            //process select
+            SelectOperator selectOp = (SelectOperator) op;
+            return processExpression(context, selectOp, selectOp.getCondition());
+        }
+        return false;
+    }
+
+    private boolean processExpressions(IOptimizationContext context, ILogicalOperator op,
+            List<Mutable<ILogicalExpression>> expressions) throws AlgebricksException {
+        boolean changed = false;
+        for (Mutable<ILogicalExpression> exprRef : expressions) {
+            changed |= processExpression(context, op, exprRef);
+        }
+        return changed;
+    }
+
+    private boolean processExpression(IOptimizationContext context, ILogicalOperator op,
+            Mutable<ILogicalExpression> exprRef) throws AlgebricksException {
+        ILogicalExpression expr = exprRef.getValue();
+        if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return false;
+        }
+
+        AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expr;
+        FunctionIdentifier fid = funcExpr.getFunctionIdentifier();
+
+        // First, process arguments to handle nested casts
+        boolean changed = processExpressions(context, op, funcExpr.getArguments());
+        if (!CAST_MAP.containsKey(fid)) {
+            return changed;
+        }
+
+        ILogicalExpression castArgExpr = funcExpr.getArguments().get(0).getValue();
+        IVariableTypeEnvironment env = context.getOutputTypeEnvironment(op);
+
+        IAType outputType = ((AUnionType) env.getType(funcExpr)).getActualType();
+        IAType argType = (IAType) env.getType(castArgExpr);
+
+        //If arg type is a union type (or unknowable), then the function removed as below
+        if (isDerivedOrAny(argType) || !outputType.equals(argType) && !isConvertableType(fid, outputType, argType)) {
+            // The types of cast and its argument are different
+            // Also, the cast function isn't a string function
+            return changed;
+        }
+
+        if (outputType.equals(argType)) {
+            exprRef.setValue(castArgExpr);
+        } else {
+            MetadataProvider metadataProvider = (MetadataProvider) context.getMetadataProvider();
+            IFunctionInfo functionInfo = metadataProvider.lookupFunction(CAST_MAP.get(fid));
+            funcExpr.setFunctionInfo(functionInfo);
+            context.computeAndSetTypeEnvironmentForOperator(op);
+        }
+        return true;
+    }
+
+    private boolean isDerivedOrAny(IAType argType) {
+        ATypeTag argTypeTag = argType.getTypeTag();
+        return argTypeTag.isDerivedType() || argTypeTag == ATypeTag.ANY;
+    }
+
+    private boolean isConvertableType(FunctionIdentifier fid, IAType outputType, IAType argType) {
+        ATypeTag outputTypeTag = outputType.getTypeTag();
+        ATypeTag argTypeTag = argType.getTypeTag();
+
+        boolean convertableNumeric = ATypeHierarchy.getTypeDomain(outputTypeTag) == ATypeHierarchy.Domain.NUMERIC
+                && ATypeHierarchy.getTypeDomain(argTypeTag) == ATypeHierarchy.Domain.NUMERIC
+                && (ATypeHierarchy.canPromote(argTypeTag, outputTypeTag)
+                        || ATypeHierarchy.canDemote(argTypeTag, outputTypeTag));
+
+        // converting to string is suitable for all non-derived types
+        return BuiltinFunctions.STRING_DEFAULT_NULL_CONSTRUCTOR.equals(fid) || convertableNumeric;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveUnknownCheckForKnownTypeExpressionRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveUnknownCheckForKnownTypeExpressionRule.java
new file mode 100644
index 0000000..93cf6c5
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/RemoveUnknownCheckForKnownTypeExpressionRule.java
@@ -0,0 +1,121 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.optimizer.rules;
+
+import java.util.List;
+
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.AUnionType;
+import org.apache.asterix.om.types.IAType;
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+/**
+ * Removes unnecessary unknown checks (e.g., not(is-unknown(expr))) for known types
+ * For example:
+ * <p>
+ * Before:
+ * select (not(is-unknown(uid))
+ * * assign [$$uid] <- [uuid()]
+ * After:
+ * select (true) <-- will be removed by another rule later
+ * * assign [$$uid] <- [uuid()]
+ */
+public class RemoveUnknownCheckForKnownTypeExpressionRule implements IAlgebraicRewriteRule {
+    @Override
+    public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        ILogicalOperator op = opRef.getValue();
+        if (op.getOperatorTag() != LogicalOperatorTag.SELECT) {
+            return false;
+        }
+
+        SelectOperator selectOp = (SelectOperator) op;
+        return processExpression(context, selectOp, selectOp.getCondition());
+    }
+
+    private boolean processExpressions(IOptimizationContext context, ILogicalOperator op,
+            List<Mutable<ILogicalExpression>> expressions) throws AlgebricksException {
+        boolean changed = false;
+        for (Mutable<ILogicalExpression> exprRef : expressions) {
+            changed |= processExpression(context, op, exprRef);
+        }
+        return changed;
+    }
+
+    private boolean processExpression(IOptimizationContext context, ILogicalOperator op,
+            Mutable<ILogicalExpression> exprRef) throws AlgebricksException {
+
+        AbstractFunctionCallExpression notFuncExpr = getFunctionExpression(exprRef);
+        if (notFuncExpr == null) {
+            return false;
+        }
+        FunctionIdentifier fid = notFuncExpr.getFunctionIdentifier();
+        if (!BuiltinFunctions.NOT.equals(fid)) {
+            return processExpressions(context, op, notFuncExpr.getArguments());
+        }
+
+        AbstractFunctionCallExpression unknownCheckFuncExpr = getFunctionExpression(notFuncExpr.getArguments().get(0));
+        if (unknownCheckFuncExpr == null || !isNullOrIsMissingOrIsUnknownCheck(unknownCheckFuncExpr)) {
+            return false;
+        }
+
+        ILogicalExpression unknownCheckArg = unknownCheckFuncExpr.getArguments().get(0).getValue();
+        IVariableTypeEnvironment env = op.computeInputTypeEnvironment(context);
+
+        IAType type = (IAType) env.getType(unknownCheckArg);
+        ATypeTag typeTag = type.getTypeTag();
+        if (typeTag == ATypeTag.ANY || typeTag == ATypeTag.UNION && ((AUnionType) type).isUnknownableType()) {
+            // Stop if it is ANY, or it is actually an unknown-able type
+            return false;
+        }
+
+        // Set the expression to true and allow the constant folding to remove the SELECT if possible
+        exprRef.setValue(ConstantExpression.TRUE);
+        return true;
+    }
+
+    private boolean isNullOrIsMissingOrIsUnknownCheck(AbstractFunctionCallExpression funcExpr) {
+        FunctionIdentifier fid = funcExpr.getFunctionIdentifier();
+        return BuiltinFunctions.IS_NULL.equals(fid) || BuiltinFunctions.IS_MISSING.equals(fid)
+                || BuiltinFunctions.IS_UNKNOWN.equals(fid);
+    }
+
+    private AbstractFunctionCallExpression getFunctionExpression(Mutable<ILogicalExpression> exprRef) {
+        ILogicalExpression expr = exprRef.getValue();
+
+        if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return null;
+        }
+
+        return (AbstractFunctionCallExpression) expr;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
index 7f1ff4a..52f0279 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
@@ -120,11 +120,10 @@
      * @param analyzedAMs
      * @param context
      * @param isJoinLeftBranch
-     * @param isArbitraryFormOfSubtree
-     *            if the given subtree is in an arbitrary form that OptimizableSubTree class can't initialize, we try
-     *            to fill the field type of each variable that is used in the optimizable function expressions.
-     *            This way, an index-nested-loop-join transformation can be conducted properly since the transformation
-     *            process skips an optimzable function expression if the field type of one of its variable is unknown.
+     * @param isArbitraryFormOfSubtree if the given subtree is in an arbitrary form that OptimizableSubTree class can't initialize, we try
+     *                                 to fill the field type of each variable that is used in the optimizable function expressions.
+     *                                 This way, an index-nested-loop-join transformation can be conducted properly since the transformation
+     *                                 process skips an optimzable function expression if the field type of one of its variable is unknown.
      * @throws AlgebricksException
      */
     protected void fillSubTreeIndexExprs(OptimizableOperatorSubTree subTree,
@@ -174,13 +173,14 @@
     }
 
     protected void pruneIndexCandidates(Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs,
-            IOptimizationContext context, IVariableTypeEnvironment typeEnvironment) throws AlgebricksException {
+            IOptimizationContext context, IVariableTypeEnvironment typeEnvironment, boolean checkApplicableOnly)
+            throws AlgebricksException {
         Iterator<Map.Entry<IAccessMethod, AccessMethodAnalysisContext>> amIt = analyzedAMs.entrySet().iterator();
         // Check applicability of indexes by access method type.
         while (amIt.hasNext()) {
             Map.Entry<IAccessMethod, AccessMethodAnalysisContext> entry = amIt.next();
             AccessMethodAnalysisContext amCtx = entry.getValue();
-            pruneIndexCandidates(entry.getKey(), amCtx, context, typeEnvironment);
+            pruneIndexCandidates(entry.getKey(), amCtx, context, typeEnvironment, checkApplicableOnly);
             // Remove access methods for which there are definitely no
             // applicable indexes.
             if (amCtx.isIndexExprsAndVarsEmpty()) {
@@ -194,7 +194,8 @@
      * process by making it more systematic.
      */
     protected Pair<IAccessMethod, Index> chooseBestIndex(Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs) {
-        List<Pair<IAccessMethod, Index>> list = chooseAllIndexes(analyzedAMs);
+        List<Pair<IAccessMethod, Index>> list = new ArrayList<>();
+        chooseAllIndexes(analyzedAMs, list);
         return list.isEmpty() ? null : list.get(0);
     }
 
@@ -206,9 +207,8 @@
      * [InvertedIndexAccessMethod, IndexType.SINGLE_PARTITION_WORD_INVIX || SINGLE_PARTITION_NGRAM_INVIX ||
      * LENGTH_PARTITIONED_WORD_INVIX || LENGTH_PARTITIONED_NGRAM_INVIX]
      */
-    protected List<Pair<IAccessMethod, Index>> chooseAllIndexes(
-            Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs) {
-        List<Pair<IAccessMethod, Index>> result = new ArrayList<>();
+    protected void chooseAllIndexes(Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs,
+            List<Pair<IAccessMethod, Index>> result) {
         // Use variables (fields) to the index types map to check which type of indexes are applied for the vars.
         Map<List<Pair<Integer, Integer>>, List<IndexType>> resultVarsToIndexTypesMap = new HashMap<>();
         Iterator<Map.Entry<IAccessMethod, AccessMethodAnalysisContext>> amIt = analyzedAMs.entrySet().iterator();
@@ -265,7 +265,6 @@
                 }
             }
         }
-        return result;
     }
 
     private boolean isSameFullTextConfigInIndexAndQuery(AccessMethodAnalysisContext analysisCtx,
@@ -305,7 +304,8 @@
      * @throws AlgebricksException
      */
     public void pruneIndexCandidates(IAccessMethod accessMethod, AccessMethodAnalysisContext analysisCtx,
-            IOptimizationContext context, IVariableTypeEnvironment typeEnvironment) throws AlgebricksException {
+            IOptimizationContext context, IVariableTypeEnvironment typeEnvironment, boolean checkApplicableOnly)
+            throws AlgebricksException {
         Iterator<Map.Entry<Index, List<Pair<Integer, Integer>>>> indexExprAndVarIt =
                 analysisCtx.getIteratorForIndexExprsAndVars();
         boolean hasIndexPreferences = false;
@@ -363,7 +363,7 @@
                     final IOptimizableFuncExpr optFuncExpr = analysisCtx.getMatchedFuncExpr(exprAndVarIdx.first);
                     // If expr is not optimizable by concrete index then remove
                     // expr and continue.
-                    if (!accessMethod.exprIsOptimizable(index, optFuncExpr)) {
+                    if (!accessMethod.exprIsOptimizable(index, optFuncExpr, checkApplicableOnly)) {
                         exprsAndVarIter.remove();
                         continue;
                     }
@@ -662,7 +662,7 @@
      * optimizable function expression.
      *
      * @return true if a candidate index was added to foundIndexExprs, false
-     *         otherwise
+     * otherwise
      * @throws AlgebricksException
      */
     protected boolean fillIndexExprs(List<Index> datasetIndexes, List<String> fieldName, IAType fieldType,
@@ -821,7 +821,7 @@
         // Remember matching subtree.
         optFuncExpr.setOptimizableSubTree(funcVarIndex, subTree);
         List<String> fieldName = null;
-        MutableInt fieldSource = new MutableInt(0);
+        int fieldSource = 0;
         if (subTree.getDataSourceType() == DataSourceType.COLLECTION_SCAN) {
             ILogicalExpression expr = optFuncExpr.getArgument(funcVarIndex).getValue();
             if (expr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
@@ -832,9 +832,11 @@
             if (subTree.getDataSourceType() == DataSourceType.DATASOURCE_SCAN) {
                 subTree.setLastMatchedDataSourceVars(0, funcVarIndex);
             }
-            fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex, 0,
-                    subTree.getRecordType(), funcVarIndex, optFuncExpr.getArgument(funcVarIndex).getValue(),
-                    subTree.getMetaRecordType(), datasetMetaVar, fieldSource, false);
+            Pair<List<String>, Integer> fieldNameAndSource =
+                    AccessMethodUtils.getFieldNameSetStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex, 0,
+                            funcVarIndex, optFuncExpr.getArgument(funcVarIndex).getValue(), context);
+            fieldName = fieldNameAndSource.first;
+            fieldSource = fieldNameAndSource.second;
             if (fieldName.isEmpty()) {
                 return;
             }
@@ -843,13 +845,13 @@
                 (IAType) context.getOutputTypeEnvironment(unnestOp).getType(optFuncExpr.getLogicalExpr(funcVarIndex));
         // Set the fieldName in the corresponding matched function
         // expression.
-        optFuncExpr.setFieldName(funcVarIndex, fieldName, fieldSource.intValue());
+        optFuncExpr.setFieldName(funcVarIndex, fieldName, fieldSource);
         optFuncExpr.setFieldType(funcVarIndex, fieldType);
 
         setTypeTag(context, subTree, optFuncExpr, funcVarIndex);
         if (subTree.hasDataSource()) {
             fillIndexExprs(datasetIndexes, fieldName, fieldType, optFuncExpr, optFuncExprIndex, funcVarIndex, subTree,
-                    analysisCtx, fieldSource.intValue(), accessMethod);
+                    analysisCtx, fieldSource, accessMethod);
         }
     }
 
@@ -860,7 +862,6 @@
         boolean doesArrayIndexQualify = context.getPhysicalOptimizationConfig().isArrayIndexEnabled()
                 && datasetIndexes.stream().anyMatch(i -> i.getIndexType() == IndexType.ARRAY);
         List<LogicalVariable> varList = assignOp.getVariables();
-        MutableInt fieldSource = new MutableInt(0);
         for (int varIndex = 0; varIndex < varList.size(); varIndex++) {
             LogicalVariable var = varList.get(varIndex);
             int optVarIndex = optFuncExpr.findLogicalVar(var);
@@ -871,8 +872,7 @@
                             .analyzeVarForArrayIndexes(datasetIndexes, optFuncExpr, subTree, context, var, analysisCtx);
                     if (fieldTriplet != null && subTree.hasDataSource()) {
                         fillIndexExprs(datasetIndexes, fieldTriplet.second, fieldTriplet.third, optFuncExpr,
-                                optFuncExprIndex, fieldTriplet.first, subTree, analysisCtx, fieldSource.intValue(),
-                                accessMethod);
+                                optFuncExprIndex, fieldTriplet.first, subTree, analysisCtx, 0, accessMethod);
                     }
                 }
                 continue;
@@ -885,22 +885,22 @@
                 subTree.setLastMatchedDataSourceVars(varIndex, optVarIndex);
             }
 
-            fieldSource.setValue(0);
-            List<String> fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(optFuncExpr, subTree,
-                    assignOrUnnestIndex, varIndex, subTree.getRecordType(), optVarIndex,
-                    optFuncExpr.getArgument(optVarIndex).getValue(), subTree.getMetaRecordType(), datasetMetaVar,
-                    fieldSource, false);
+            Pair<List<String>, Integer> fieldNameAndSource =
+                    AccessMethodUtils.getFieldNameSetStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex,
+                            varIndex, optVarIndex, optFuncExpr.getArgument(optVarIndex).getValue(), context);
+            List<String> fieldName = fieldNameAndSource.first;
+            int fieldSource = fieldNameAndSource.second;
 
             IAType fieldType = (IAType) context.getOutputTypeEnvironment(assignOp).getVarType(var);
             // Set the fieldName in the corresponding matched
             // function expression.
-            optFuncExpr.setFieldName(optVarIndex, fieldName, fieldSource.intValue());
+            optFuncExpr.setFieldName(optVarIndex, fieldName, fieldSource);
             optFuncExpr.setFieldType(optVarIndex, fieldType);
 
             setTypeTag(context, subTree, optFuncExpr, optVarIndex);
             if (subTree.hasDataSource()) {
                 fillIndexExprs(datasetIndexes, fieldName, fieldType, optFuncExpr, optFuncExprIndex, optVarIndex,
-                        subTree, analysisCtx, fieldSource.intValue(), accessMethod);
+                        subTree, analysisCtx, fieldSource, accessMethod);
             }
         }
     }
@@ -989,16 +989,8 @@
     /**
      * Finds the field name of each variable in the ASSIGN or UNNEST operators of the sub-tree.
      */
-    protected void fillFieldNamesInTheSubTree(OptimizableOperatorSubTree subTree) throws AlgebricksException {
-        LogicalVariable datasetMetaVar = null;
-        if (subTree.getDataSourceType() != DataSourceType.COLLECTION_SCAN
-                && subTree.getDataSourceType() != DataSourceType.INDEXONLY_PLAN_SECONDARY_INDEX_LOOKUP) {
-            List<LogicalVariable> datasetVars = subTree.getDataSourceVariables();
-            if (subTree.getDataset().hasMetaPart()) {
-                datasetMetaVar = datasetVars.get(datasetVars.size() - 1);
-            }
-        }
-        MutableInt fieldSource = new MutableInt(0);
+    protected void fillFieldNamesInTheSubTree(OptimizableOperatorSubTree subTree, IOptimizationContext context)
+            throws AlgebricksException {
         for (int assignOrUnnestIndex = 0; assignOrUnnestIndex < subTree.getAssignsAndUnnests()
                 .size(); assignOrUnnestIndex++) {
             AbstractLogicalOperator op = subTree.getAssignsAndUnnests().get(assignOrUnnestIndex);
@@ -1009,10 +1001,8 @@
                     LogicalVariable var = varList.get(varIndex);
                     // funcVarIndex is not required. Thus, we set it to -1.
                     // optFuncExpr and parentFuncExpr are not required, too. Thus, we set them to null.
-                    fieldSource.setValue(0);
                     List<String> fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(null, subTree,
-                            assignOrUnnestIndex, varIndex, subTree.getRecordType(), -1, null,
-                            subTree.getMetaRecordType(), datasetMetaVar, fieldSource, false);
+                            assignOrUnnestIndex, varIndex, -1, null, context).first;
                     if (fieldName != null && !fieldName.isEmpty()) {
                         subTree.getVarsToFieldNameMap().put(var, fieldName);
                     }
@@ -1020,14 +1010,11 @@
             } else if (op.getOperatorTag() == LogicalOperatorTag.UNNEST) {
                 UnnestOperator unnestOp = (UnnestOperator) op;
                 LogicalVariable var = unnestOp.getVariable();
-                List<String> fieldName = null;
                 if (subTree.getDataSourceType() != DataSourceType.COLLECTION_SCAN) {
                     // funcVarIndex is not required. Thus, we set it to -1.
                     // optFuncExpr and parentFuncExpr are not required, too. Thus, we set them to null.
-                    fieldSource.setValue(0);
-                    fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(null, subTree, assignOrUnnestIndex, 0,
-                            subTree.getRecordType(), -1, null, subTree.getMetaRecordType(), datasetMetaVar, fieldSource,
-                            false);
+                    List<String> fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(null, subTree,
+                            assignOrUnnestIndex, 0, -1, null, context).first;
                     if (fieldName != null && !fieldName.isEmpty()) {
                         subTree.getVarsToFieldNameMap().put(var, fieldName);
                     }
@@ -1052,10 +1039,8 @@
                     LogicalVariable var = varList.get(varIndex);
                     // funcVarIndex is not required. Thus, we set it to -1.
                     // optFuncExpr and parentFuncExpr are not required, too. Thus, we set them to null.
-                    fieldSource.setValue(0);
                     List<String> fieldName = AccessMethodUtils.getFieldNameSetStepsFromSubTree(null, subTree,
-                            assignOrUnnestIndex, varIndex, subTree.getRecordType(), -1, null,
-                            subTree.getMetaRecordType(), datasetMetaVar, fieldSource, false);
+                            assignOrUnnestIndex, varIndex, -1, null, context).first;
                     if (fieldName != null && !fieldName.isEmpty()) {
                         subTree.getVarsToFieldNameMap().put(var, fieldName);
                     }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AccessMethodUtils.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AccessMethodUtils.java
index 3b39d9d..256551f 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AccessMethodUtils.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AccessMethodUtils.java
@@ -24,7 +24,6 @@
 import static org.apache.asterix.om.functions.BuiltinFunctions.FIELD_ACCESS_NESTED;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -61,6 +60,7 @@
 import org.apache.asterix.om.typecomputer.impl.TypeComputeUtils;
 import org.apache.asterix.om.types.ARecordType;
 import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.om.types.AUnionType;
 import org.apache.asterix.om.types.BuiltinType;
 import org.apache.asterix.om.types.IAType;
 import org.apache.asterix.om.types.hierachy.ATypeHierarchy;
@@ -147,6 +147,8 @@
             BuiltinFunctions.YEAR_MONTH_DURATION_DEFAULT_NULL_CONSTRUCTOR,
             BuiltinFunctions.UUID_DEFAULT_NULL_CONSTRUCTOR, BuiltinFunctions.BINARY_BASE64_DEFAULT_NULL_CONSTRUCTOR);
 
+    private final static Pair<List<String>, Integer> NO_FIELD_NAME = new Pair<>(Collections.emptyList(), 0);
+
     public static void appendPrimaryIndexTypes(Dataset dataset, IAType itemType, IAType metaItemType,
             List<Object> target) throws AlgebricksException {
         ARecordType recordType = (ARecordType) itemType;
@@ -1735,10 +1737,10 @@
      * false positive results, we can apply instantTryLock() on PK optimization since a result from these indexes
      * doesn't have to be verified by the primary index-lookup and a subsequent SELECT operator.
      * (i.e., we can guarantee the correctness of the result.)
-     *
+     * <p>
      * Case A) non-index-only plan
      * sidx-search -> (optional) sort -> (optional) distinct -> pdix-search
-     *
+     * <p>
      * Case B) index-only plan
      * left path (an instantTryLock() on the PK fail path):
      * right path(an instantTryLock() on the PK success path):
@@ -1937,8 +1939,9 @@
     }
 
     // New < For external datasets indexing>
-    private static void appendExternalRecTypes(Dataset dataset, IAType itemType, List<Object> target) {
-        target.add(itemType);
+    private static void appendExternalRecTypes(IAType itemType, List<Object> target) {
+        // the output of external-lookup could be missing. Make it unknowable
+        target.add(AUnionType.createUnknownableType(itemType));
     }
 
     private static void appendExternalRecPrimaryKeys(Dataset dataset, List<Object> target) throws AlgebricksException {
@@ -1998,7 +2001,7 @@
         List<Object> outputTypes = new ArrayList<>();
         // Append output variables/types generated by the data scan (not forwarded from input).
         externalUnnestVars.addAll(dataSourceOp.getVariables());
-        appendExternalRecTypes(dataset, recordType, outputTypes);
+        appendExternalRecTypes(recordType, outputTypes);
 
         IFunctionInfo externalLookup = FunctionUtil.getFunctionInfo(BuiltinFunctions.EXTERNAL_LOOKUP);
         AbstractFunctionCallExpression externalLookupFunc =
@@ -2358,10 +2361,9 @@
      * unless the variables are produced after the SELECT (JOIN) operator.
      *
      * @return Pair<Boolean, Boolean>: the first boolean value tells whether the given plan is an index-only plan.
-     *         The second boolean value tells whether the secondary key field variable(s) are used after the given
-     *         SELECT (JOIN) operator.
+     * The second boolean value tells whether the secondary key field variable(s) are used after the given
+     * SELECT (JOIN) operator.
      * @throws AlgebricksException
-     *
      */
     private static void checkVarUsageAfterSelectOp(List<Mutable<ILogicalOperator>> afterSelectOpRefs,
             List<LogicalVariable> liveVarsAfterSelJoinOp, List<LogicalVariable> dataScanPKVars,
@@ -2848,12 +2850,9 @@
     /**
      * Checks whether a LogicalVariable exists in a list of Triple<LogicalVariable, LogicalVariable, LogicalVariable>.
      *
-     * @param varsList
-     *            list that contains triples of LogicalVariable.
-     * @param varToFind
-     *            a LogicalVariable to find
-     * @param checkOnlyFirst
-     *            specifies whether it is required to check only the first variable in the given triple.
+     * @param varsList       list that contains triples of LogicalVariable.
+     * @param varToFind      a LogicalVariable to find
+     * @param checkOnlyFirst specifies whether it is required to check only the first variable in the given triple.
      * @return
      */
     public static boolean findVarInTripleVarList(
@@ -2898,17 +2897,16 @@
         return ann == null ? null : ann.getIndexNames();
     }
 
-    public static List<String> getFieldNameSetStepsFromSubTree(IOptimizableFuncExpr optFuncExpr,
-            OptimizableOperatorSubTree subTree, int opIndex, int assignVarIndex, ARecordType recordType,
-            int funcVarIndex, ILogicalExpression parentFuncExpr, ARecordType metaType, LogicalVariable metaVar,
-            MutableInt fieldSource, boolean isUnnestOverVarAllowed) throws AlgebricksException {
+    public static Pair<List<String>, Integer> getFieldNameSetStepsFromSubTree(IOptimizableFuncExpr optFuncExpr,
+            OptimizableOperatorSubTree subTree, int opIndex, int assignVarIndex, int funcVarIndex,
+            ILogicalExpression parentFuncExpr, IOptimizationContext context) throws AlgebricksException {
         if (optFuncExpr != null) {
             if (parentFuncExpr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
                 optFuncExpr.addStepExpr(funcVarIndex, ((AbstractFunctionCallExpression) parentFuncExpr));
             }
         }
-        return getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, opIndex, assignVarIndex, recordType, funcVarIndex,
-                parentFuncExpr, metaType, metaVar, fieldSource, isUnnestOverVarAllowed);
+        return getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, opIndex, assignVarIndex, funcVarIndex,
+                parentFuncExpr, context);
     }
 
     /**
@@ -2918,10 +2916,9 @@
      *
      * @throws AlgebricksException
      */
-    private static List<String> getFieldNameAndStepsFromSubTree(IOptimizableFuncExpr optFuncExpr,
-            OptimizableOperatorSubTree subTree, int opIndex, int assignVarIndex, ARecordType recordType,
-            int funcVarIndex, ILogicalExpression parentFuncExpr, ARecordType metaType, LogicalVariable metaVar,
-            MutableInt fieldSource, boolean isUnnestOverVarAllowed) throws AlgebricksException {
+    private static Pair<List<String>, Integer> getFieldNameAndStepsFromSubTree(IOptimizableFuncExpr optFuncExpr,
+            OptimizableOperatorSubTree subTree, int opIndex, int assignVarIndex, int funcVarIndex,
+            ILogicalExpression parentFuncExpr, IOptimizationContext context) throws AlgebricksException {
         // Get expression corresponding to opVar at varIndex.
         AbstractLogicalExpression expr = null;
         AbstractFunctionCallExpression childFuncExpr = null;
@@ -2931,23 +2928,23 @@
             expr = (AbstractLogicalExpression) assignOp.getExpressions().get(assignVarIndex).getValue();
             // Can't get a field name from a constant expression. So, return null.
             if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             childFuncExpr = (AbstractFunctionCallExpression) expr;
         } else {
             UnnestOperator unnestOp = (UnnestOperator) op;
             expr = (AbstractLogicalExpression) unnestOp.getExpressionRef().getValue();
             if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             childFuncExpr = (AbstractFunctionCallExpression) expr;
             if (childFuncExpr.getFunctionIdentifier() != BuiltinFunctions.SCAN_COLLECTION) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             expr = (AbstractLogicalExpression) childFuncExpr.getArguments().get(0).getValue();
         }
         if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
-            return Collections.emptyList();
+            return NO_FIELD_NAME;
         }
         AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expr;
         FunctionIdentifier funcIdent = funcExpr.getFunctionIdentifier();
@@ -2960,21 +2957,21 @@
         if (funcIdent == BuiltinFunctions.FIELD_ACCESS_BY_NAME) {
             fieldName = ConstantExpressionUtil.getStringArgument(funcExpr, 1);
             if (fieldName == null) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             isFieldAccess = true;
             isByName = true;
         } else if (funcIdent == BuiltinFunctions.FIELD_ACCESS_BY_INDEX) {
             Integer idx = ConstantExpressionUtil.getIntArgument(funcExpr, 1);
             if (idx == null) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             fieldIndex = idx;
             isFieldAccess = true;
         } else if (funcIdent == BuiltinFunctions.FIELD_ACCESS_NESTED) {
             ILogicalExpression nameArg = funcExpr.getArguments().get(1).getValue();
             if (nameArg.getExpressionTag() != LogicalExpressionTag.CONSTANT) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
             ConstantExpression constExpr = (ConstantExpression) nameArg;
             AOrderedList orderedNestedFieldName =
@@ -2989,11 +2986,6 @@
         if (isFieldAccess) {
             LogicalVariable sourceVar =
                     ((VariableReferenceExpression) funcExpr.getArguments().get(0).getValue()).getVariableReference();
-            if (sourceVar.equals(metaVar)) {
-                fieldSource.setValue(1);
-            } else {
-                fieldSource.setValue(0);
-            }
             if (optFuncExpr != null) {
                 optFuncExpr.setLogicalExpr(funcVarIndex, parentFuncExpr);
                 optFuncExpr.addStepExpr(funcVarIndex, funcExpr);
@@ -3024,8 +3016,7 @@
                     if (parentVars.contains(var)) {
                         //Found the variable we are looking for.
                         //return assign and index of expression
-                        int[] returnValues = { i, varIndex };
-                        assignAndExpressionIndexes = returnValues;
+                        assignAndExpressionIndexes = new int[] { i, varIndex };
                     }
                 }
             }
@@ -3033,34 +3024,25 @@
                 //We found the nested assign
 
                 //Recursive call on nested assign
-                List<String> parentFieldNames = getFieldNameAndStepsFromSubTree(optFuncExpr, subTree,
-                        assignAndExpressionIndexes[0], assignAndExpressionIndexes[1], recordType, funcVarIndex,
-                        parentFuncExpr, metaType, metaVar, fieldSource, isUnnestOverVarAllowed);
+                Pair<List<String>, Integer> parentFieldNames =
+                        getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, assignAndExpressionIndexes[0],
+                                assignAndExpressionIndexes[1], funcVarIndex, parentFuncExpr, context);
 
-                boolean isPreviousOperatorLegalUnnest = isUnnestOverVarAllowed && subTree.getAssignsAndUnnests()
-                        .get(assignAndExpressionIndexes[0]).getOperatorTag().equals(LogicalOperatorTag.UNNEST);
-                if (parentFieldNames.isEmpty() && !isPreviousOperatorLegalUnnest) {
+                if (parentFieldNames.first.isEmpty()) {
                     //Nested assign was not a field access.
                     //We will not use index
-                    return Collections.emptyList();
-                } else if (isPreviousOperatorLegalUnnest) {
-                    parentFieldNames = new ArrayList<>();
+                    return NO_FIELD_NAME;
                 }
 
                 if (!isByName) {
-                    IAType subFieldType;
-                    if (isUnnestOverVarAllowed && isPreviousOperatorLegalUnnest) {
-                        // In the case of UNNESTing over a variable, we use the record type given by our caller instead.
-                        subFieldType = sourceVar.equals(metaVar) ? metaType : recordType;
-                    } else {
-                        subFieldType = sourceVar.equals(metaVar) ? metaType.getSubFieldType(parentFieldNames)
-                                : recordType.getSubFieldType(parentFieldNames);
-                        // Sub-field type can be AUnionType in case if optional. Thus, needs to get the actual type.
-                        subFieldType = TypeComputeUtils.getActualType(subFieldType);
-                        if (subFieldType.getTypeTag() != ATypeTag.OBJECT) {
-                            throw CompilationException.create(ErrorCode.TYPE_CONVERT, subFieldType,
-                                    ARecordType.class.getName());
-                        }
+                    IVariableTypeEnvironment outputTypeEnvironment = context.getOutputTypeEnvironment(
+                            subTree.getAssignsAndUnnests().get(assignAndExpressionIndexes[0]));
+                    IAType subFieldType = (IAType) outputTypeEnvironment.getVarType(sourceVar);
+                    // Sub-field type can be AUnionType in case if optional. Thus, needs to get the actual type.
+                    subFieldType = TypeComputeUtils.getActualType(subFieldType);
+                    if (subFieldType.getTypeTag() != ATypeTag.OBJECT) {
+                        throw CompilationException.create(ErrorCode.TYPE_CONVERT, subFieldType,
+                                ARecordType.class.getName());
                     }
                     fieldName = ((ARecordType) subFieldType).getFieldNames()[fieldIndex];
 
@@ -3070,11 +3052,9 @@
                 }
                 //add fieldName to the nested fieldName, return
                 if (nestedAccessFieldName != null) {
-                    for (int i = 0; i < nestedAccessFieldName.size(); i++) {
-                        parentFieldNames.add(nestedAccessFieldName.get(i));
-                    }
+                    parentFieldNames.first.addAll(nestedAccessFieldName);
                 } else {
-                    parentFieldNames.add(fieldName);
+                    parentFieldNames.first.add(fieldName);
                 }
                 return (parentFieldNames);
             }
@@ -3083,15 +3063,15 @@
                 optFuncExpr.setSourceVar(funcVarIndex, ((AssignOperator) op).getVariables().get(assignVarIndex));
             }
             //no nested assign, we are at the lowest level.
+            OptimizableOperatorSubTree.RecordTypeSource recType = subTree.getRecordTypeFor(sourceVar);
             if (isByName) {
                 if (nestedAccessFieldName != null) {
-                    return nestedAccessFieldName;
+                    return new Pair<>(nestedAccessFieldName, recType.sourceIndicator);
                 }
-                return new ArrayList<>(Arrays.asList(fieldName));
+                return new Pair<>(new ArrayList<>(List.of(fieldName)), recType.sourceIndicator);
             }
-            return new ArrayList<>(Arrays.asList(sourceVar.equals(metaVar) ? metaType.getFieldNames()[fieldIndex]
-                    : recordType.getFieldNames()[fieldIndex]));
-
+            return new Pair<>(new ArrayList<>(List.of(recType.recordType.getFieldNames()[fieldIndex])),
+                    recType.sourceIndicator);
         }
 
         // We use a part of the field in edit distance computation
@@ -3101,17 +3081,17 @@
         }
         List<Mutable<ILogicalExpression>> funcArgs = funcExpr.getArguments();
         if (funcArgs.isEmpty()) {
-            return Collections.emptyList();
+            return NO_FIELD_NAME;
         }
         // We expect the function's argument to be a variable, otherwise we
         // cannot apply an index.
         ILogicalExpression argExpr = funcArgs.get(0).getValue();
         if (argExpr.getExpressionTag() != LogicalExpressionTag.VARIABLE) {
-            return Collections.emptyList();
+            return NO_FIELD_NAME;
         }
         for (int i = 1; i < funcArgs.size(); i++) {
             if (funcArgs.get(i).getValue().getExpressionTag() != LogicalExpressionTag.CONSTANT) {
-                return Collections.emptyList();
+                return NO_FIELD_NAME;
             }
         }
         if (optFuncExpr != null) {
@@ -3131,20 +3111,19 @@
                     if (var.equals(curVar) && optFuncExpr != null) {
                         optFuncExpr.setSourceVar(funcVarIndex, var);
                         return getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex, varIndex,
-                                recordType, funcVarIndex, childFuncExpr, metaType, metaVar, fieldSource,
-                                isUnnestOverVarAllowed);
+                                funcVarIndex, childFuncExpr, context);
                     }
                 }
             } else {
                 UnnestOperator unnestOp = (UnnestOperator) curOp;
                 LogicalVariable var = unnestOp.getVariable();
                 if (var.equals(curVar)) {
-                    getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex, 0, recordType,
-                            funcVarIndex, childFuncExpr, metaType, metaVar, fieldSource, isUnnestOverVarAllowed);
+                    getFieldNameAndStepsFromSubTree(optFuncExpr, subTree, assignOrUnnestIndex, 0, funcVarIndex,
+                            childFuncExpr, context);
                 }
             }
         }
-        return Collections.emptyList();
+        return NO_FIELD_NAME;
     }
 
     public static Triple<Integer, List<String>, IAType> analyzeVarForArrayIndexes(List<Index> datasetIndexes,
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/BTreeAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/BTreeAccessMethod.java
index 2eebe5b..7c09b59 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/BTreeAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/BTreeAccessMethod.java
@@ -1020,7 +1020,8 @@
     }
 
     @Override
-    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr) throws AlgebricksException {
+    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr, boolean checkApplicableOnly)
+            throws AlgebricksException {
         // If we are optimizing a join, check for the indexed nested-loop join hint.
         if (optFuncExpr.getNumLogicalVars() == 2) {
             if (optFuncExpr.getOperatorSubTree(0) == optFuncExpr.getOperatorSubTree(1)) {
@@ -1033,7 +1034,8 @@
                     //And we were unable to determine its type
                     return false;
                 }
-            } else if (!optFuncExpr.getFuncExpr().hasAnnotation(IndexedNLJoinExpressionAnnotation.class)) {
+            } else if (!checkApplicableOnly
+                    && !optFuncExpr.getFuncExpr().hasAnnotation(IndexedNLJoinExpressionAnnotation.class)) {
                 return false;
             }
         }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IAccessMethod.java
index 5688a70..bac1a0b 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IAccessMethod.java
@@ -47,8 +47,8 @@
 
     /**
      * @return A list of function identifiers that are optimizable by this
-     *         access method. Also, the second boolean tells whether that
-     *         function can generate a false-positive result.
+     * access method. Also, the second boolean tells whether that
+     * function can generate a false-positive result.
      */
     public List<Pair<FunctionIdentifier, Boolean>> getOptimizableFunctions();
 
@@ -61,7 +61,7 @@
      * OptimizableFunction to analysisCtx.matchedFuncExprs for further analysis.
      *
      * @return true if funcExpr is optimizable by this access method, false
-     *         otherwise
+     * otherwise
      * @throws AlgebricksException
      */
     boolean analyzeFuncExprArgsAndUpdateAnalysisCtx(AbstractFunctionCallExpression funcExpr,
@@ -71,8 +71,8 @@
     /**
      * Indicates whether this access method is applicable for the given index type.
      *
-     * @return boolean
      * @param indexType
+     * @return boolean
      */
     public boolean matchIndexType(IndexType indexType);
 
@@ -80,8 +80,8 @@
      * Indicates whether all index expressions must be matched in order for this
      * index to be applicable.
      *
-     * @return boolean
      * @param index
+     * @return boolean
      */
     public boolean matchAllIndexExprs(Index index);
 
@@ -89,8 +89,8 @@
      * Indicates whether this index is applicable if only a prefix of the index
      * expressions are matched.
      *
-     * @return boolean
      * @param index
+     * @return boolean
      */
     public boolean matchPrefixIndexExprs(Index index);
 
@@ -127,7 +127,8 @@
      *
      * @throws AlgebricksException
      */
-    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr) throws AlgebricksException;
+    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr, boolean checkApplicableOnly)
+            throws AlgebricksException;
 
     public Collection<String> getSecondaryIndexPreferences(IOptimizableFuncExpr optFuncExpr);
 
@@ -136,12 +137,11 @@
     /**
      * Checks whether the function applied to an indexed field is acceptable by the access method.
      *
-     * @param functionExpr applied function
-     * @param index the index definition
+     * @param functionExpr     applied function
+     * @param index            the index definition
      * @param indexedFieldType the type of the indexed field in the index definition
-     * @param defaultNull true if the candidate index has CAST (DEFAULT NULL) modifier
-     * @param finalStep true if the functionExpr is the final function applied
-     *
+     * @param defaultNull      true if the candidate index has CAST (DEFAULT NULL) modifier
+     * @param finalStep        true if the functionExpr is the final function applied
      * @return true if the access method accepts the argument function. False, otherwise.
      */
     public boolean acceptsFunction(AbstractFunctionCallExpression functionExpr, Index index, IAType indexedFieldType,
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
index 6f53219..b2b5e7c 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
@@ -58,21 +58,21 @@
  * The order of the join inputs matters (left branch - outer relation, right branch - inner relation).
  * This rule tries to utilize an index on the inner relation.
  * If that's not possible, it stops transforming the given join into an index-nested-loop join.
- *
+ * <p>
  * This rule replaces the above pattern with the following simplified plan:
  * select <-- assign+ <-- unnest-map(pidx) <-- sort <-- unnest-map(sidx) <-- assign+ <-- (datasource scan|unnest-map)
  * The sorting PK process is optional, and some access methods may choose not to sort.
  * Note that for some index-based optimizations we do not remove the triggering
  * condition from the join, since the secondary index may only act as a filter, and the
  * final verification must still be done with the original join condition.
- *
+ * <p>
  * The basic outline of this rule is:
  * 1. Match operator pattern.
  * 2. Analyze join condition to see if there are optimizable functions (delegated to IAccessMethods).
  * 3. Check metadata to see if there are applicable indexes.
  * 4. Choose an index to apply (for now only a single index will be chosen).
  * 5. Rewrite plan using index (delegated to IAccessMethods).
- *
+ * <p>
  * For left-outer-join, additional patterns are checked and additional treatment is needed as follows:
  * 1. First it checks if there is a groupByOp above the join: groupby <-- leftouterjoin
  * 2. Inherently, only the right-subtree of the lojOp can be used as indexSubtree.
@@ -81,7 +81,7 @@
  * Here, the primary key variable from datasourceScanOp replaces the introduced null placeholder variable.
  * If the primary key is a composite key, then the first variable of the primary key variables becomes the
  * null place holder variable. This null placeholder variable works for all three types of indexes.
- *
+ * <p>
  * If the inner-branch can be transformed as an index-only plan, this rule creates an index-only-plan path
  * that is similar to one described in IntroduceSelectAccessMethod Rule.
  */
@@ -140,7 +140,7 @@
         afterJoinRefs = new ArrayList<>();
         // Recursively checks the given plan whether the desired pattern exists in it.
         // If so, try to optimize the plan.
-        boolean planTransformed = checkAndApplyJoinTransformation(opRef, context);
+        boolean planTransformed = checkAndApplyJoinTransformation(opRef, context, false);
 
         if (joinOp != null) {
             // We found an optimization here. Don't need to optimize this operator again.
@@ -156,6 +156,27 @@
         return planTransformed;
     }
 
+    public boolean checkApplicable(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        clear();
+        setMetadataDeclarations(context);
+
+        AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
+
+        afterJoinRefs = new ArrayList<>();
+        // Recursively checks the given plan whether the desired pattern exists in it.
+        // If so, try to optimize the plan.
+        boolean planTransformed = checkAndApplyJoinTransformation(opRef, context, true);
+
+        if (!planTransformed) {
+            return false;
+        } else {
+            OperatorPropertiesUtil.typeOpRec(opRef, context);
+        }
+
+        return planTransformed;
+    }
+
     /**
      * Removes indexes from the outer branch from the optimizer's consideration for this rule,
      * since we only use indexes from the inner branch.
@@ -234,8 +255,8 @@
      * optimize the path from the given join operator to the EMPTY_TUPLE_SOURCE operator
      * if it is not already optimized.
      */
-    protected boolean checkAndApplyJoinTransformation(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
-            throws AlgebricksException {
+    protected boolean checkAndApplyJoinTransformation(Mutable<ILogicalOperator> opRef, IOptimizationContext context,
+            boolean checkApplicableOnly) throws AlgebricksException {
         AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
         boolean joinFoundAndOptimizationApplied;
 
@@ -246,7 +267,7 @@
         // Recursively check the plan and try to optimize it. We first check the children of the given operator
         // to make sure an earlier join in the path is optimized first.
         for (Mutable<ILogicalOperator> inputOpRef : op.getInputs()) {
-            joinFoundAndOptimizationApplied = checkAndApplyJoinTransformation(inputOpRef, context);
+            joinFoundAndOptimizationApplied = checkAndApplyJoinTransformation(inputOpRef, context, checkApplicableOnly);
             if (joinFoundAndOptimizationApplied) {
                 return true;
             }
@@ -313,7 +334,7 @@
                 // the subplan into the index branch and giving the join a condition for this rule to optimize.
                 // *No nodes* from this rewrite will be used beyond this point.
                 joinFromSubplanRewrite.findAfterSubplanSelectOperator(afterJoinRefs);
-                if (rewriteLocallyAndTransform(joinRef, context, joinFromSubplanRewrite)) {
+                if (rewriteLocallyAndTransform(joinRef, context, joinFromSubplanRewrite, checkApplicableOnly)) {
                     // Connect the after-join operators to the index subtree root before this rewrite. This also avoids
                     // performing the secondary index validation step twice.
                     ILogicalOperator lastAfterJoinOp = afterJoinRefs.get(afterJoinRefs.size() - 1).getValue();
@@ -364,7 +385,7 @@
                 fillSubTreeIndexExprs(rightSubTree, analyzedAMs, context, false);
 
                 // Prunes the access methods based on the function expression and access methods.
-                pruneIndexCandidates(analyzedAMs, context, typeEnvironment);
+                pruneIndexCandidates(analyzedAMs, context, typeEnvironment, checkApplicableOnly);
 
                 // If the right subtree (inner branch) has indexes, one of those indexes will be used.
                 // Removes the indexes from the outer branch in the optimizer's consideration list for this rule.
@@ -382,10 +403,10 @@
                     // Finds the field name of each variable in the sub-tree such as variables for order by.
                     // This step is required when checking index-only plan.
                     if (checkLeftSubTreeMetadata) {
-                        fillFieldNamesInTheSubTree(leftSubTree);
+                        fillFieldNamesInTheSubTree(leftSubTree, context);
                     }
                     if (checkRightSubTreeMetadata) {
-                        fillFieldNamesInTheSubTree(rightSubTree);
+                        fillFieldNamesInTheSubTree(rightSubTree, context);
                     }
 
                     // Applies the plan transformation using chosen index.
@@ -426,6 +447,10 @@
                         return false;
                     }
 
+                    if (checkApplicableOnly) {
+                        return true;
+                    }
+
                     // Finally, tries to apply plan transformation using the chosen index.
                     boolean res = chosenIndex.first.applyJoinPlanTransformation(afterJoinRefs, joinRef, leftSubTree,
                             rightSubTree, chosenIndex.second, analysisCtx, context, isLeftOuterJoin,
@@ -487,12 +512,13 @@
     }
 
     private boolean rewriteLocallyAndTransform(Mutable<ILogicalOperator> opRef, IOptimizationContext context,
-            IIntroduceAccessMethodRuleLocalRewrite<AbstractBinaryJoinOperator> rewriter) throws AlgebricksException {
+            IIntroduceAccessMethodRuleLocalRewrite<AbstractBinaryJoinOperator> rewriter, boolean checkApplicableOnly)
+            throws AlgebricksException {
         AbstractBinaryJoinOperator joinRewrite = rewriter.createOperator(joinOp, context);
         boolean transformationResult = false;
         if (joinRewrite != null) {
             Mutable<ILogicalOperator> joinRuleInput = new MutableObject<>(joinRewrite);
-            transformationResult = checkAndApplyJoinTransformation(joinRuleInput, context);
+            transformationResult = checkAndApplyJoinTransformation(joinRuleInput, context, checkApplicableOnly);
         }
 
         // Restore our state, so we can look for more optimizations if this transformation failed.
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceSelectAccessMethodRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceSelectAccessMethodRule.java
index d9b5da9..fce260c 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceSelectAccessMethodRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceSelectAccessMethodRule.java
@@ -50,10 +50,12 @@
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.IntersectOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.IPlanPrettyPrinter;
 import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
 
 /**
@@ -176,7 +178,44 @@
         afterSelectRefs = new ArrayList<>();
         // Recursively check the given plan whether the desired pattern exists in it.
         // If so, try to optimize the plan.
-        boolean planTransformed = checkAndApplyTheSelectTransformation(opRef, context);
+        List<Pair<IAccessMethod, Index>> chosenIndexes = new ArrayList<>();
+        Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs = null;
+        boolean planTransformed =
+                checkAndApplyTheSelectTransformation(opRef, context, false, chosenIndexes, analyzedAMs);
+
+        if (selectOp != null) {
+            // We found an optimization here. Don't need to optimize this operator again.
+            context.addToDontApplySet(this, selectOp);
+        }
+
+        if (!planTransformed) {
+            return false;
+        } else {
+            OperatorPropertiesUtil.typeOpRec(opRef, context);
+        }
+
+        return planTransformed;
+    }
+
+    public boolean checkApplicable(Mutable<ILogicalOperator> opRef, IOptimizationContext context,
+            List<Pair<IAccessMethod, Index>> chosenIndexes, Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs)
+            throws AlgebricksException {
+        clear();
+        setMetadataDeclarations(context);
+
+        AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
+
+        // Already checked?
+        if (context.checkIfInDontApplySet(this, op)) {
+            return false;
+        }
+
+        afterSelectRefs = new ArrayList<>();
+        // Recursively check the given plan whether the desired pattern exists in it.
+        // If so, try to optimize the plan.
+
+        boolean planTransformed =
+                checkAndApplyTheSelectTransformation(opRef, context, true, chosenIndexes, analyzedAMs);
 
         if (selectOp != null) {
             // We found an optimization here. Don't need to optimize this operator again.
@@ -256,7 +295,7 @@
      *
      * @param chosenIndexes
      * @return Pair<IAccessMethod, Index> for the primary index
-     *         null otherwise
+     * null otherwise
      * @throws AlgebricksException
      */
     private Pair<IAccessMethod, Index> fetchPrimaryIndexAmongChosenIndexes(
@@ -286,21 +325,31 @@
                         "The primary search has multiple inputs.");
             }
 
+            // The operator directly under the subroot may either be an ORDER-BY or a DISTINCT (if an array index).
             ILogicalOperator curRoot = subRoots.get(i);
-            OrderOperator order = (OrderOperator) curRoot.getInputs().get(0).getValue();
-            List<LogicalVariable> orderedColumn = new ArrayList<>(order.getOrderExpressions().size());
-            for (Pair<OrderOperator.IOrder, Mutable<ILogicalExpression>> orderExpression : order
-                    .getOrderExpressions()) {
-                if (orderExpression.second.getValue().getExpressionTag() != LogicalExpressionTag.VARIABLE) {
-                    throw new CompilationException(ErrorCode.COMPILATION_ERROR,
-                            orderExpression.second.getValue().getSourceLocation(),
-                            "The order by expression should be variables, but they aren't variables.");
+            ILogicalOperator curRootInput = curRoot.getInputs().get(0).getValue();
+            if (curRootInput.getOperatorTag() == LogicalOperatorTag.ORDER) {
+                OrderOperator order = (OrderOperator) curRootInput;
+                List<LogicalVariable> orderedColumn = new ArrayList<>(order.getOrderExpressions().size());
+                for (Pair<OrderOperator.IOrder, Mutable<ILogicalExpression>> orderExpression : order
+                        .getOrderExpressions()) {
+                    if (orderExpression.second.getValue().getExpressionTag() != LogicalExpressionTag.VARIABLE) {
+                        throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+                                orderExpression.second.getValue().getSourceLocation(),
+                                "The order by expression should be variables, but they aren't variables.");
+                    }
+                    VariableReferenceExpression orderedVar =
+                            (VariableReferenceExpression) orderExpression.second.getValue();
+                    orderedColumn.add(orderedVar.getVariableReference());
                 }
-                VariableReferenceExpression orderedVar =
-                        (VariableReferenceExpression) orderExpression.second.getValue();
-                orderedColumn.add(orderedVar.getVariableReference());
+                inputVars.add(orderedColumn);
+            } else if (curRootInput.getOperatorTag() == LogicalOperatorTag.DISTINCT) {
+                DistinctOperator distinct = (DistinctOperator) curRootInput;
+                inputVars.add(distinct.getDistinctByVarList());
+            } else {
+                throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, curRootInput.getSourceLocation(),
+                        "Operator directly below the primary index search should be either a DISTINCT or an ORDER!");
             }
-            inputVars.add(orderedColumn);
         }
 
         List<LogicalVariable> inputVars0 = inputVars.get(0);
@@ -328,11 +377,13 @@
      * if it is not already optimized.
      */
     protected boolean checkAndApplyTheSelectTransformation(Mutable<ILogicalOperator> opRef,
-            IOptimizationContext context) throws AlgebricksException {
+            IOptimizationContext context, boolean checkApplicableOnly, List<Pair<IAccessMethod, Index>> chosenIndexes,
+            Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs) throws AlgebricksException {
         AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
         boolean selectFoundAndOptimizationApplied;
         boolean isSelectOp = false;
 
+        IPlanPrettyPrinter pp = context.getPrettyPrinter();
         Mutable<ILogicalOperator> selectRefFromThisOp = null;
         SelectOperator selectOpFromThisOp = null;
 
@@ -351,7 +402,8 @@
         // Recursively check the plan and try to optimize it. We first check the children of the given operator
         // to make sure an earlier select in the path is optimized first.
         for (Mutable<ILogicalOperator> inputOpRef : op.getInputs()) {
-            selectFoundAndOptimizationApplied = checkAndApplyTheSelectTransformation(inputOpRef, context);
+            selectFoundAndOptimizationApplied = checkAndApplyTheSelectTransformation(inputOpRef, context,
+                    checkApplicableOnly, chosenIndexes, analyzedAMs);
             if (selectFoundAndOptimizationApplied) {
                 return true;
             }
@@ -376,8 +428,7 @@
 
             // For each access method, contains the information about
             // whether an available index can be applicable or not.
-            Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs = null;
-            if (continueCheck) {
+            if (!checkApplicableOnly && continueCheck) {
                 analyzedAMs = new TreeMap<>();
             }
 
@@ -386,14 +437,14 @@
                 // If there exists a composite atomic-array index, our conjuncts will be split across multiple
                 // SELECTs. This rewrite is to be used **solely** for the purpose of changing a DATA-SCAN into a
                 // non-index-only plan branch. No nodes introduced from this rewrite will be used beyond this point.
-                if (rewriteLocallyAndTransform(selectRef, context, mergedSelectRewrite)) {
+                if (!checkApplicableOnly && rewriteLocallyAndTransform(selectRef, context, mergedSelectRewrite)) {
                     return true;
                 }
 
                 // If there exists a SUBPLAN in our plan, and we are conditioning on a variable, attempt to rewrite
                 // this subplan to allow an array-index AM to be introduced. Again, this rewrite is to be used
                 // **solely** for the purpose of changing a DATA-SCAN into a non-index-only plan branch.
-                if (rewriteLocallyAndTransform(selectRef, context, selectFromSubplanRewrite)) {
+                if (!checkApplicableOnly && rewriteLocallyAndTransform(selectRef, context, selectFromSubplanRewrite)) {
                     return true;
                 }
             }
@@ -426,20 +477,22 @@
                 fillSubTreeIndexExprs(subTree, analyzedAMs, context, false);
 
                 // Prune the access methods based on the function expression and access methods.
-                pruneIndexCandidates(analyzedAMs, context, typeEnvironment);
+                pruneIndexCandidates(analyzedAMs, context, typeEnvironment, false);
 
                 // Choose all indexes that will be applied.
-                List<Pair<IAccessMethod, Index>> chosenIndexes = chooseAllIndexes(analyzedAMs);
+                chooseAllIndexes(analyzedAMs, chosenIndexes);
 
                 if (chosenIndexes == null || chosenIndexes.isEmpty()) {
                     // We can't apply any index for this SELECT operator
                     context.addToDontApplySet(this, selectRef.getValue());
                     return false;
                 }
+                if (checkApplicableOnly) {
+                    return true;
+                }
 
                 // Apply plan transformation using chosen index.
                 boolean res;
-
                 // Primary index applicable?
                 Pair<IAccessMethod, Index> chosenPrimaryIndex = fetchPrimaryIndexAmongChosenIndexes(chosenIndexes);
                 if (chosenPrimaryIndex != null) {
@@ -453,7 +506,7 @@
                     AccessMethodAnalysisContext analysisCtx = analyzedAMs.get(chosenIndexes.get(0).first);
 
                     // Finds the field name of each variable in the sub-tree.
-                    fillFieldNamesInTheSubTree(subTree);
+                    fillFieldNamesInTheSubTree(subTree, context);
 
                     // Finally, try to apply plan transformation using chosen index.
                     res = chosenIndexes.get(0).first.applySelectPlanTransformation(afterSelectRefs, selectRef, subTree,
@@ -497,7 +550,10 @@
         boolean transformationResult = false;
         if (selectRewrite != null) {
             Mutable<ILogicalOperator> selectRuleInput = new MutableObject<>(selectRewrite);
-            transformationResult = checkAndApplyTheSelectTransformation(selectRuleInput, context);
+            List<Pair<IAccessMethod, Index>> chosenIndexes = new ArrayList<>();
+            Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs = null;
+            transformationResult =
+                    checkAndApplyTheSelectTransformation(selectRuleInput, context, false, chosenIndexes, analyzedAMs);
         }
 
         // Restore our state, so we can look for more optimizations if this transformation failed.
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
index 62812aa..031bc74 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
@@ -949,7 +949,8 @@
     }
 
     @Override
-    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr) throws AlgebricksException {
+    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr, boolean checkApplicableOnly)
+            throws AlgebricksException {
         if (AccessMethodUtils.skipSecondaryIndexRequestedByAnnotation(index, optFuncExpr)) {
             return false;
         }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/OptimizableOperatorSubTree.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/OptimizableOperatorSubTree.java
index c55edf9..bbfb365 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/OptimizableOperatorSubTree.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/OptimizableOperatorSubTree.java
@@ -59,7 +59,7 @@
  */
 public class OptimizableOperatorSubTree {
 
-    public static enum DataSourceType {
+    public enum DataSourceType {
         DATASOURCE_SCAN,
         EXTERNAL_SCAN,
         PRIMARY_INDEX_LOOKUP,
@@ -68,6 +68,16 @@
         NO_DATASOURCE
     }
 
+    public static class RecordTypeSource {
+        final ARecordType recordType;
+        final int sourceIndicator;
+
+        RecordTypeSource(ARecordType recordType, int sourceIndicator) {
+            this.recordType = recordType;
+            this.sourceIndicator = sourceIndicator;
+        }
+    }
+
     private ILogicalOperator root = null;
     private Mutable<ILogicalOperator> rootRef = null;
     private final List<Mutable<ILogicalOperator>> assignsAndUnnestsRefs = new ArrayList<>();
@@ -91,6 +101,7 @@
     private List<DataSourceType> ixJoinOuterAdditionalDataSourceTypes = null;
     private List<Dataset> ixJoinOuterAdditionalDatasets = null;
     private List<ARecordType> ixJoinOuterAdditionalRecordTypes = null;
+    private final Map<LogicalVariable, RecordTypeSource> varsToRecordType = new HashMap<>();
 
     /**
      * Identifies the root of the subtree and initializes the data-source, assign, and unnest information.
@@ -172,10 +183,10 @@
                             AccessMethodJobGenParams jobGenParams = new AccessMethodJobGenParams();
                             jobGenParams.readFromFuncArgs(f.getArguments());
                             if (jobGenParams.isPrimaryIndex()) {
-                                intializeDataSourceRefAndType(DataSourceType.PRIMARY_INDEX_LOOKUP, subTreeOpRef);
+                                initializeDataSourceRefAndType(DataSourceType.PRIMARY_INDEX_LOOKUP, subTreeOpRef);
                                 dataSourceFound = true;
                             } else if (unnestMapOp.getGenerateCallBackProceedResultVar()) {
-                                intializeDataSourceRefAndType(DataSourceType.INDEXONLY_PLAN_SECONDARY_INDEX_LOOKUP,
+                                initializeDataSourceRefAndType(DataSourceType.INDEXONLY_PLAN_SECONDARY_INDEX_LOOKUP,
                                         subTreeOpRef);
                                 dataSourceFound = true;
                             }
@@ -221,7 +232,7 @@
         return false;
     }
 
-    private void intializeDataSourceRefAndType(DataSourceType dsType, Mutable<ILogicalOperator> opRef) {
+    private void initializeDataSourceRefAndType(DataSourceType dsType, Mutable<ILogicalOperator> opRef) {
         if (getDataSourceRef() == null) {
             setDataSourceRef(opRef);
             setDataSourceType(dsType);
@@ -238,12 +249,6 @@
      * Also sets recordType to be the type of that dataset.
      */
     public boolean setDatasetAndTypeMetadata(MetadataProvider metadataProvider) throws AlgebricksException {
-        DataverseName dataverseName = null;
-        String datasetName = null;
-
-        Dataset ds = null;
-        ARecordType rType = null;
-
         List<Mutable<ILogicalOperator>> sourceOpRefs = new ArrayList<>();
         List<DataSourceType> dsTypes = new ArrayList<>();
 
@@ -259,6 +264,9 @@
         }
 
         for (int i = 0; i < sourceOpRefs.size(); i++) {
+            List<LogicalVariable> vars;
+            DataverseName dataverseName;
+            String datasetName;
             switch (dsTypes.get(i)) {
                 case DATASOURCE_SCAN:
                     DataSourceScanOperator dataSourceScan = (DataSourceScanOperator) sourceOpRefs.get(i).getValue();
@@ -272,6 +280,7 @@
                     Pair<DataverseName, String> datasetInfo = AnalysisUtil.getDatasetInfo(dataSourceScan);
                     dataverseName = datasetInfo.first;
                     datasetName = datasetInfo.second;
+                    vars = dataSourceScan.getScanVariables();
                     break;
                 case PRIMARY_INDEX_LOOKUP:
                 case INDEXONLY_PLAN_SECONDARY_INDEX_LOOKUP:
@@ -282,12 +291,14 @@
                     jobGenParams.readFromFuncArgs(f.getArguments());
                     datasetName = jobGenParams.getDatasetName();
                     dataverseName = jobGenParams.getDataverseName();
+                    vars = unnestMapOp.getScanVariables();
                     break;
                 case EXTERNAL_SCAN:
                     UnnestMapOperator externalScan = (UnnestMapOperator) sourceOpRefs.get(i).getValue();
                     datasetInfo = AnalysisUtil.getExternalDatasetInfo(externalScan);
                     dataverseName = datasetInfo.first;
                     datasetName = datasetInfo.second;
+                    vars = externalScan.getScanVariables();
                     break;
                 case COLLECTION_SCAN:
                     if (i != 0) {
@@ -303,7 +314,7 @@
                 return false;
             }
             // Find the dataset corresponding to the datasource in the metadata.
-            ds = metadataProvider.findDataset(dataverseName, datasetName);
+            Dataset ds = metadataProvider.findDataset(dataverseName, datasetName);
             if (ds == null) {
                 throw new CompilationException(ErrorCode.NO_METADATA_FOR_DATASET, root.getSourceLocation(),
                         datasetName);
@@ -318,26 +329,31 @@
                     getIxJoinOuterAdditionalRecordTypes().add(null);
                 }
             }
-            rType = (ARecordType) itemType;
+            ARecordType rType = (ARecordType) itemType;
 
             // Get the meta record type for that dataset.
-            IAType metaItemType =
-                    metadataProvider.findType(ds.getMetaItemTypeDataverseName(), ds.getMetaItemTypeName());
+            ARecordType metaItemType = (ARecordType) metadataProvider.findType(ds.getMetaItemTypeDataverseName(),
+                    ds.getMetaItemTypeName());
 
             // First index is always the primary datasource in this subtree.
             if (i == 0) {
                 setDataset(ds);
                 setRecordType(rType);
-                setMetaRecordType((ARecordType) metaItemType);
+                setMetaRecordType(metaItemType);
             } else {
                 getIxJoinOuterAdditionalDatasets().add(ds);
                 getIxJoinOuterAdditionalRecordTypes().add(rType);
             }
 
-            dataverseName = null;
-            datasetName = null;
-            ds = null;
-            rType = null;
+            if (!vars.isEmpty()) {
+                int numVars = vars.size();
+                if (ds.hasMetaPart()) {
+                    varsToRecordType.put(vars.get(numVars - 2), new RecordTypeSource(rType, 0));
+                    varsToRecordType.put(vars.get(numVars - 1), new RecordTypeSource(metaItemType, 1));
+                } else {
+                    varsToRecordType.put(vars.get(numVars - 1), new RecordTypeSource(rType, 0));
+                }
+            }
         }
 
         return true;
@@ -364,17 +380,6 @@
         return getDataSourceType() == DataSourceType.DATASOURCE_SCAN;
     }
 
-    public boolean hasIxJoinOuterAdditionalDataSourceScan() {
-        if (getIxJoinOuterAdditionalDataSourceTypes() != null) {
-            for (int i = 0; i < getIxJoinOuterAdditionalDataSourceTypes().size(); i++) {
-                if (getIxJoinOuterAdditionalDataSourceTypes().get(i) == DataSourceType.DATASOURCE_SCAN) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
     public void reset() {
         setRoot(null);
         setRootRef(null);
@@ -392,6 +397,7 @@
         setIxJoinOuterAdditionalRecordTypes(null);
         lastMatchedDataSourceVars.first = -1;
         lastMatchedDataSourceVars.second = -1;
+        varsToRecordType.clear();
     }
 
     /**
@@ -545,6 +551,10 @@
         return recordType;
     }
 
+    public RecordTypeSource getRecordTypeFor(LogicalVariable var) {
+        return varsToRecordType.get(var);
+    }
+
     public void setRecordType(ARecordType recordType) {
         this.recordType = recordType;
     }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
index 6959543..3de78f7 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
@@ -381,7 +381,7 @@
     }
 
     @Override
-    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr) {
+    public boolean exprIsOptimizable(Index index, IOptimizableFuncExpr optFuncExpr, boolean checkApplicableOnly) {
         if (AccessMethodUtils.skipSecondaryIndexRequestedByAnnotation(index, optFuncExpr)) {
             return false;
         }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
index ba70aff..2bb8e2e 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
@@ -207,8 +207,12 @@
                         // Add the inputs from our subplan.
                         Mutable<ILogicalOperator> traversalOperator = traversalOutput.first.getInputs().get(0);
                         while (traversalOperator != null) {
-                            workingNewOperator.getInputs().add(new MutableObject<>(
-                                    OperatorManipulationUtil.deepCopy(traversalOperator.getValue())));
+                            ILogicalOperator traversalOperatorDeepCopy =
+                                    OperatorManipulationUtil.deepCopy(traversalOperator.getValue());
+                            if (traversalOperator.getValue().equals(traversalOutput.second)) {
+                                traversalOutput.second = (UnnestOperator) traversalOperatorDeepCopy;
+                            }
+                            workingNewOperator.getInputs().add(new MutableObject<>(traversalOperatorDeepCopy));
                             workingNewOperator = workingNewOperator.getInputs().get(0).getValue();
                             traversalOperator = (traversalOperator.getValue().getInputs().isEmpty()) ? null
                                     : traversalOperator.getValue().getInputs().get(0);
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EnumerateJoinsRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EnumerateJoinsRule.java
new file mode 100644
index 0000000..20b4d82
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EnumerateJoinsRule.java
@@ -0,0 +1,675 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.asterix.common.annotations.IndexedNLJoinExpressionAnnotation;
+import org.apache.asterix.metadata.entities.Index;
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.commons.lang3.mutable.MutableInt;
+import org.apache.commons.lang3.mutable.MutableObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.IPlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class EnumerateJoinsRule implements IAlgebraicRewriteRule {
+
+    private static final Logger LOGGER = LogManager.getLogger();
+
+    protected final JoinEnum joinEnum;
+
+    public EnumerateJoinsRule(JoinEnum joinEnum) {
+        this.joinEnum = joinEnum;
+    }
+
+    @Override
+    public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context) {
+        return false;
+    }
+
+    /**
+     * If this method returns false, that means CBO code will not be used to optimize the part of the join graph that
+     * was passed in. Currently, we do not optimize query graphs with outer joins in them. If the CBO code is activated
+     * a new join graph (with inputs possibly switched) will be created and the return value will be true.
+     */
+    @Override
+    public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+            throws AlgebricksException {
+        boolean cboMode = this.getCBOMode(context);
+        boolean cboTestMode = this.getCBOTestMode(context);
+        if (!(cboMode || cboTestMode)) {
+            return false;
+        }
+        // If we reach here, then either cboMode or cboTestMode is true.
+        // If cboTestMode is true, then we use predefined cardinalities for datasets for asterixdb regression tests.
+        // If cboMode is true, then all datasets need to have samples, otherwise the check in doAllDataSourcesHaveSamples()
+        // further below will return false.
+        ILogicalOperator op = opRef.getValue();
+        if (!((op.getOperatorTag() == LogicalOperatorTag.INNERJOIN)
+                || ((op.getOperatorTag() == LogicalOperatorTag.DISTRIBUTE_RESULT)))) {
+            return false;
+        }
+
+        // if this join has already been seen before, no need to apply the rule again
+        if (context.checkIfInDontApplySet(this, op)) {
+            return false;
+        }
+
+        List<ILogicalOperator> joinOps = new ArrayList<>();
+        List<ILogicalOperator> internalEdges = new ArrayList<>();
+        HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap = new HashMap<>();
+        // The data scan operators. Will be in the order of the from clause.
+        // Important for position ordering when assigning bits to join expressions.
+        List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps = new ArrayList<>();
+        HashMap<DataSourceScanOperator, EmptyTupleSourceOperator> dataSourceEmptyTupleHashMap = new HashMap<>();
+
+        IPlanPrettyPrinter pp = context.getPrettyPrinter();
+        printPlan(pp, (AbstractLogicalOperator) op, "Original Whole plan1");
+        boolean canTransform = getJoinOpsAndLeafInputs(op, emptyTupleAndDataSourceOps, joinLeafInputsHashMap,
+                dataSourceEmptyTupleHashMap, internalEdges, joinOps);
+
+        if (!canTransform) {
+            return false;
+        }
+
+        // if this happens, something in the input plan is not acceptable to the new code.
+        if (emptyTupleAndDataSourceOps.size() != joinLeafInputsHashMap.size()) {
+            throw new IllegalStateException(
+                    "ETS " + emptyTupleAndDataSourceOps.size() + " != LI " + joinLeafInputsHashMap.size());
+        }
+
+        printPlan(pp, (AbstractLogicalOperator) op, "Original Whole plan2");
+
+        int numberOfFromTerms = emptyTupleAndDataSourceOps.size();
+
+        joinEnum.initEnum((AbstractLogicalOperator) op, cboMode, cboTestMode, numberOfFromTerms,
+                emptyTupleAndDataSourceOps, joinLeafInputsHashMap, dataSourceEmptyTupleHashMap, internalEdges, joinOps,
+                context);
+
+        if (cboMode) {
+            if (!doAllDataSourcesHaveSamples(emptyTupleAndDataSourceOps, context)) {
+                return false;
+            }
+        }
+
+        if (internalEdges.size() > 0) {
+            pushAssignsIntoLeafInputs(joinLeafInputsHashMap, internalEdges);
+        }
+
+        printPlan(pp, (AbstractLogicalOperator) op, "Original Whole plan3");
+        int cheapestPlan = joinEnum.enumerateJoins();
+        printPlan(pp, (AbstractLogicalOperator) op, "After join enumeration. Must return same plan??");
+        if (cheapestPlan == PlanNode.NO_PLAN) {
+            return false;
+        }
+
+        PlanNode cheapestPlanNode = joinEnum.allPlans.get(cheapestPlan);
+
+        if (numberOfFromTerms > 1) {
+            checkForMultipleUsesOfVariablesInJoinPreds(cheapestPlanNode, joinLeafInputsHashMap, context);
+            buildNewTree(cheapestPlanNode, joinLeafInputsHashMap, joinOps, new MutableInt(0));
+            printPlan(pp, (AbstractLogicalOperator) joinOps.get(0), "New Whole Plan after buildNewTree 1");
+            ILogicalOperator root = addConstantInternalEdgesAtTheTop(joinOps.get(0), internalEdges);
+            printPlan(pp, (AbstractLogicalOperator) joinOps.get(0), "New Whole Plan after buildNewTree 2");
+            printPlan(pp, (AbstractLogicalOperator) root, "New Whole Plan after buildNewTree");
+            // this will be the new root
+            opRef.setValue(root);
+            if (LOGGER.isTraceEnabled()) {
+                LOGGER.trace("---------------------------- Printing Leaf Inputs");
+                printLeafPlans(pp, joinLeafInputsHashMap);
+                // print joins starting from the bottom
+                for (int i = joinOps.size() - 1; i >= 0; i--) {
+                    printPlan(pp, (AbstractLogicalOperator) joinOps.get(i), "join " + i);
+                }
+                printPlan(pp, (AbstractLogicalOperator) joinOps.get(0), "New Whole Plan");
+                printPlan(pp, (AbstractLogicalOperator) root, "New Whole Plan");
+            }
+
+            // turn of this rule for all joins in this set (subtree)
+            for (ILogicalOperator joinOp : joinOps) {
+                context.addToDontApplySet(this, joinOp);
+            }
+
+        } else {
+            buildNewTree(cheapestPlanNode, joinLeafInputsHashMap);
+        }
+
+        return true;
+    }
+
+    private boolean getCBOMode(IOptimizationContext context) {
+        PhysicalOptimizationConfig physOptConfig = context.getPhysicalOptimizationConfig();
+        return physOptConfig.getCBOMode();
+    }
+
+    private boolean getCBOTestMode(IOptimizationContext context) {
+        PhysicalOptimizationConfig physOptConfig = context.getPhysicalOptimizationConfig();
+        return physOptConfig.getCBOTestMode();
+    }
+
+    /**
+     * Should not see any kind of joins here. store the emptyTupeSourceOp and DataSource operators.
+     * Each leaf input will normally have both, but sometimes only emptyTupeSourceOp will be present (in lists)
+     */
+    private Pair<EmptyTupleSourceOperator, DataSourceScanOperator> containsLeafInputOnly(ILogicalOperator op) {
+        DataSourceScanOperator dataSourceOp = null;
+        ILogicalOperator currentOp = op;
+        while (currentOp.getInputs().size() == 1) {
+            if (currentOp.getOperatorTag() == LogicalOperatorTag.DATASOURCESCAN) {
+                // we should not see two data scans in the same path
+                if (dataSourceOp != null) {
+                    return null;
+                }
+                dataSourceOp = (DataSourceScanOperator) currentOp;
+            }
+            currentOp = currentOp.getInputs().get(0).getValue();
+        }
+        if (currentOp.getOperatorTag() == LogicalOperatorTag.EMPTYTUPLESOURCE) {
+            return new Pair<>((EmptyTupleSourceOperator) currentOp, dataSourceOp);
+        }
+        return null;
+    }
+
+    /**
+     * Check to see if there is only one assign here and nothing below that other than a join.
+     * have not seen cases where there is more than one assign in a leafinput.
+    */
+    private boolean onlyOneAssign(ILogicalOperator nextOp) {
+        if (nextOp.getOperatorTag() != LogicalOperatorTag.ASSIGN) {
+            return false;
+        }
+        List<Mutable<ILogicalOperator>> nextOpInputs = nextOp.getInputs();
+        return nextOpInputs.get(0).getValue().getOperatorTag() == LogicalOperatorTag.INNERJOIN;
+    }
+
+    ILogicalOperator findSelect(ILogicalOperator op) {
+        LogicalOperatorTag tag;
+        while (true) {
+            if (op.getInputs().size() > 1) {
+                return null; // Assuming only a linear plan for single table queries (as leafInputs are linear).
+            }
+            tag = op.getOperatorTag();
+            if (tag == LogicalOperatorTag.EMPTYTUPLESOURCE) {
+                return null; // if this happens, there is nothing we can do in CBO code since there is no datasourcescan
+            }
+            if (tag == LogicalOperatorTag.SELECT) { // there must be a select operator for CBO to do any optimization.
+                return op;
+            }
+
+            op = op.getInputs().get(0).getValue();
+        }
+    }
+
+    /**
+     * This is the main routine that stores all the join operators and the leafInputs. We will later reuse the same
+     * join operators but switch the leafInputs (see buildNewTree). The whole scheme is based on the assumption that the
+     * leafInputs can be switched. The various data structures make the leafInputs accessible efficiently.
+     */
+    private boolean getJoinOpsAndLeafInputs(ILogicalOperator op,
+            List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps,
+            HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap,
+            HashMap<DataSourceScanOperator, EmptyTupleSourceOperator> dataSourceEmptyTupleHashMap,
+            List<ILogicalOperator> internalEdges, List<ILogicalOperator> joinOps) {
+
+        if (op.getOperatorTag() == LogicalOperatorTag.LEFTOUTERJOIN) {
+            return false;
+        }
+
+        if (op.getOperatorTag() == LogicalOperatorTag.INNERJOIN) {
+            joinOps.add(op);
+            for (int i = 0; i < 2; i++) {
+                ILogicalOperator nextOp = op.getInputs().get(i).getValue();
+                boolean canTransform = getJoinOpsAndLeafInputs(nextOp, emptyTupleAndDataSourceOps,
+                        joinLeafInputsHashMap, dataSourceEmptyTupleHashMap, internalEdges, joinOps);
+                if (!canTransform) {
+                    return false;
+                }
+            }
+        } else {
+            Pair<EmptyTupleSourceOperator, DataSourceScanOperator> etsDataSource = containsLeafInputOnly(op);
+            if (etsDataSource != null) { // a leaf input
+                EmptyTupleSourceOperator etsOp = etsDataSource.first;
+                DataSourceScanOperator dataSourceOp = etsDataSource.second;
+                emptyTupleAndDataSourceOps.add(new Pair<>(etsOp, dataSourceOp));
+                if (op.getOperatorTag().equals(LogicalOperatorTag.DISTRIBUTE_RESULT)) {// single table query
+                    ILogicalOperator selectOp = findSelect(op);
+                    if (selectOp == null) {
+                        return false;
+                    } else {
+                        joinLeafInputsHashMap.put(etsOp, selectOp);
+                    }
+                } else {
+                    joinLeafInputsHashMap.put(etsOp, op);
+                }
+                dataSourceEmptyTupleHashMap.put(dataSourceOp, etsOp);
+            } else { // This must be an internal edge
+                if (onlyOneAssign(op)) {
+                    // currently, will handle only assign statement and nothing else in an internal Edge.
+                    // we can lift this restriction later if the need arises. This just makes some code easier.
+                    internalEdges.add(op);
+                    boolean canTransform =
+                            getJoinOpsAndLeafInputs(op.getInputs().get(0).getValue(), emptyTupleAndDataSourceOps,
+                                    joinLeafInputsHashMap, dataSourceEmptyTupleHashMap, internalEdges, joinOps);
+                    if (!canTransform) {
+                        return false;
+                    }
+
+                    //internalEdges.add(op); // better to store the parent; do this soon.
+                } else {
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    private void addCardCostAnnotations(ILogicalOperator op, PlanNode plan) {
+        op.getAnnotations().put(OperatorAnnotations.OP_OUTPUT_CARDINALITY,
+                (double) Math.round(plan.getJoinNode().getCardinality() * 100) / 100);
+        op.getAnnotations().put(OperatorAnnotations.OP_COST_TOTAL,
+                (double) Math.round(plan.computeTotalCost() * 100) / 100);
+        if (plan.IsScanNode()) {
+            op.getAnnotations().put(OperatorAnnotations.OP_INPUT_CARDINALITY,
+                    (double) Math.round(plan.getJoinNode().getOrigCardinality() * 100) / 100);
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL,
+                    (double) Math.round(plan.computeOpCost() * 100) / 100);
+        } else {
+            op.getAnnotations().put(OperatorAnnotations.OP_LEFT_EXCHANGE_COST,
+                    (double) Math.round(plan.getLeftExchangeCost().computeTotalCost() * 100) / 100);
+            op.getAnnotations().put(OperatorAnnotations.OP_RIGHT_EXCHANGE_COST,
+                    (double) Math.round(plan.getRightExchangeCost().computeTotalCost() * 100) / 100);
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL,
+                    (double) Math.round((plan.computeOpCost()) * 100) / 100);
+        }
+
+        if (op.getOperatorTag().equals(LogicalOperatorTag.SELECT)) {
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL, 0.0);
+        }
+    }
+
+    /**
+     * Finds the DataSourceScanOperator given a leafInput
+     */
+    private ILogicalOperator findDataSourceScanOperator(ILogicalOperator op) {
+        ILogicalOperator origOp = op;
+        while (op != null && op.getOperatorTag() != LogicalOperatorTag.EMPTYTUPLESOURCE) {
+            if (op.getOperatorTag().equals(LogicalOperatorTag.DATASOURCESCAN)) {
+                return op;
+            }
+            op = op.getInputs().get(0).getValue();
+        }
+        return origOp;
+    }
+
+    private void removeJoinAnnotations(AbstractFunctionCallExpression afcExpr) {
+        afcExpr.removeAnnotation(BroadcastExpressionAnnotation.class);
+        afcExpr.removeAnnotation(IndexedNLJoinExpressionAnnotation.class);
+        afcExpr.removeAnnotation(HashJoinExpressionAnnotation.class);
+    }
+
+    private void setAnnotation(AbstractFunctionCallExpression afcExpr, IExpressionAnnotation anno) {
+        FunctionIdentifier fi = afcExpr.getFunctionIdentifier();
+        List<Mutable<ILogicalExpression>> arguments = afcExpr.getArguments();
+
+        if (fi.equals(AlgebricksBuiltinFunctions.AND)) {
+            for (Mutable<ILogicalExpression> iLogicalExpressionMutable : arguments) {
+                ILogicalExpression argument = iLogicalExpressionMutable.getValue();
+                AbstractFunctionCallExpression expr = (AbstractFunctionCallExpression) argument;
+                expr.putAnnotation(anno);
+            }
+        } else {
+            afcExpr.putAnnotation(anno);
+        }
+    }
+
+    //Internal edges are assign statements. The RHS has a variable in it.
+    // We need to find the internal edge that has a variable coming from this leaf leafInput.
+    private int findInternalEdge(ILogicalOperator leafInput, List<ILogicalOperator> internalEdges)
+            throws AlgebricksException {
+        int i = -1;
+
+        for (ILogicalOperator ie : internalEdges) {
+            i++;
+            // this will be an Assign, so no need to check
+            AssignOperator aOp = (AssignOperator) ie;
+            List<LogicalVariable> vars = new ArrayList<>();
+            aOp.getExpressions().get(0).getValue().getUsedVariables(vars);
+            HashSet<LogicalVariable> vars2 = new HashSet<>();
+            VariableUtilities.getLiveVariables(leafInput, vars2);
+            if (vars2.containsAll(vars)) { // note that this will fail if there variables from different leafInputs
+                return i;
+            }
+        }
+
+        return -1;
+    }
+
+    private ILogicalOperator addAssignToLeafInput(ILogicalOperator leafInput, ILogicalOperator internalEdge) {
+        ILogicalOperator root = leafInput;
+        // this will be an Assign, so no need to check
+        AssignOperator aOp = (AssignOperator) internalEdge;
+        aOp.getInputs().get(0).setValue(root);
+        return aOp;
+    }
+
+    private void buildNewTree(PlanNode plan,
+            HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap) {
+        ILogicalOperator leftInput = joinLeafInputsHashMap.get(plan.getEmptyTupleSourceOp());
+        if (leftInput.getOperatorTag() == LogicalOperatorTag.SELECT) {
+            addCardCostAnnotations(leftInput, plan);
+        }
+    }
+
+    private void buildNewTree(PlanNode plan, HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap,
+            List<ILogicalOperator> joinOps, MutableInt totalNumberOfJoins) {
+        // we have to move the inputs in op around so that they match the tree structure in pn
+        // we use the existing joinOps and switch the leafInputs appropriately.
+        List<PlanNode> allPlans = joinEnum.getAllPlans();
+        int leftIndex = plan.getLeftPlanIndex();
+        int rightIndex = plan.getRightPlanIndex();
+        PlanNode leftPlan = allPlans.get(leftIndex);
+        PlanNode rightPlan = allPlans.get(rightIndex);
+        ILogicalOperator joinOp = joinOps.get(totalNumberOfJoins.intValue());
+
+        if (plan.IsJoinNode()) {
+            AbstractBinaryJoinOperator abJoinOp = (AbstractBinaryJoinOperator) joinOp;
+            ILogicalExpression expr = plan.getJoinExpr();
+            abJoinOp.getCondition().setValue(expr);
+            // add the annotations
+            if (plan.getJoinOp() == PlanNode.JoinMethod.INDEX_NESTED_LOOP_JOIN) {
+                // this annotation is needed for the physical optimizer to replace this with the unnest operator later
+                AbstractFunctionCallExpression afcExpr = (AbstractFunctionCallExpression) expr;
+                removeJoinAnnotations(afcExpr);
+                setAnnotation(afcExpr, IndexedNLJoinExpressionAnnotation.INSTANCE_ANY_INDEX);
+            } else if (plan.getJoinOp() == PlanNode.JoinMethod.HYBRID_HASH_JOIN
+                    || plan.getJoinOp() == PlanNode.JoinMethod.BROADCAST_HASH_JOIN
+                    || plan.getJoinOp() == PlanNode.JoinMethod.CARTESIAN_PRODUCT_JOIN) {
+                if (plan.getJoinOp() == PlanNode.JoinMethod.BROADCAST_HASH_JOIN) {
+                    // Broadcast the right branch.
+                    BroadcastExpressionAnnotation bcast =
+                            new BroadcastExpressionAnnotation(plan.side == HashJoinExpressionAnnotation.BuildSide.RIGHT
+                                    ? BroadcastExpressionAnnotation.BroadcastSide.RIGHT
+                                    : BroadcastExpressionAnnotation.BroadcastSide.LEFT);
+                    AbstractFunctionCallExpression afcExpr = (AbstractFunctionCallExpression) expr;
+                    removeJoinAnnotations(afcExpr);
+                    setAnnotation(afcExpr, bcast);
+                } else if (plan.getJoinOp() == PlanNode.JoinMethod.HYBRID_HASH_JOIN) {
+                    HashJoinExpressionAnnotation hjAnnotation = new HashJoinExpressionAnnotation(plan.side);
+                    AbstractFunctionCallExpression afcExpr = (AbstractFunctionCallExpression) expr;
+                    removeJoinAnnotations(afcExpr);
+                    setAnnotation(afcExpr, hjAnnotation);
+                } else {
+                    if (expr != ConstantExpression.TRUE) {
+                        AbstractFunctionCallExpression afcExpr = (AbstractFunctionCallExpression) expr;
+                        removeJoinAnnotations(afcExpr);
+                    }
+                }
+            }
+            addCardCostAnnotations(joinOp, plan);
+        }
+
+        if (leftPlan.IsScanNode()) {
+            // leaf
+            ILogicalOperator leftInput = joinLeafInputsHashMap.get(leftPlan.getEmptyTupleSourceOp());
+            if (leftInput.getOperatorTag() == LogicalOperatorTag.SELECT) {
+                addCardCostAnnotations(leftInput, leftPlan);
+            }
+            joinOp.getInputs().get(0).setValue(leftInput);
+            addCardCostAnnotations(findDataSourceScanOperator(leftInput), leftPlan);
+        } else {
+            // join
+            totalNumberOfJoins.increment();
+            ILogicalOperator leftInput = joinOps.get(totalNumberOfJoins.intValue());
+            joinOp.getInputs().get(0).setValue(leftInput);
+            buildNewTree(allPlans.get(leftIndex), joinLeafInputsHashMap, joinOps, totalNumberOfJoins);
+        }
+
+        if (rightPlan.IsScanNode()) {
+            // leaf
+            ILogicalOperator rightInput = joinLeafInputsHashMap.get(rightPlan.getEmptyTupleSourceOp());
+            if (rightInput.getOperatorTag() == LogicalOperatorTag.SELECT) {
+                addCardCostAnnotations(rightInput, rightPlan);
+            }
+            joinOp.getInputs().get(1).setValue(rightInput);
+            addCardCostAnnotations(findDataSourceScanOperator(rightInput), rightPlan);
+        } else {
+            // join
+            totalNumberOfJoins.increment();
+            ILogicalOperator rightInput = joinOps.get(totalNumberOfJoins.intValue());
+            joinOp.getInputs().get(1).setValue(rightInput);
+            buildNewTree(allPlans.get(rightIndex), joinLeafInputsHashMap, joinOps, totalNumberOfJoins);
+        }
+    }
+
+    // in some very rare cases, there is an internal edge that has an assign statement such as $$var = 20 but this variable
+    // is not used anywhere in the current join graph but is used outside the current join graph. So we add this assign to the top of
+    // our plan, so the rest of the code will be happy. Strange that this assign appears in the join graph.
+    private ILogicalOperator addConstantInternalEdgesAtTheTop(ILogicalOperator op,
+            List<ILogicalOperator> internalEdges) {
+        if (internalEdges.size() == 0) {
+            return op;
+        }
+        ILogicalOperator root = op;
+        for (ILogicalOperator ie : internalEdges) {
+            // this will be an Assign, so no need to check
+            AssignOperator aOp = (AssignOperator) ie;
+            aOp.getInputs().get(0).setValue(root);
+            root = aOp;
+        }
+        return root;
+    }
+
+    public static void printPlan(IPlanPrettyPrinter pp, AbstractLogicalOperator op, String text)
+            throws AlgebricksException {
+        if (LOGGER.isTraceEnabled()) {
+            pp.reset();
+            pp.printOperator(op, true, false);
+            LOGGER.trace("---------------------------- {}\n{}\n----------------------------", text, pp);
+        }
+    }
+
+    private void printLeafPlans(IPlanPrettyPrinter pp,
+            HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap) throws AlgebricksException {
+        Iterator<Map.Entry<EmptyTupleSourceOperator, ILogicalOperator>> li =
+                joinLeafInputsHashMap.entrySet().iterator();
+        int i = 0;
+        while (li.hasNext()) {
+            Map.Entry<EmptyTupleSourceOperator, ILogicalOperator> pair = li.next();
+            ILogicalOperator element = pair.getValue();
+            printPlan(pp, (AbstractLogicalOperator) element, "Printing Leaf Input" + i);
+            i++;
+        }
+    }
+
+    private boolean allEqualityPreds(ILogicalExpression expr) {
+        List<Mutable<ILogicalExpression>> conjs = new ArrayList<>();
+        // check that the expr is AND(EQ(), EQ(),..)
+        if (expr.splitIntoConjuncts(conjs)) {
+            for (Mutable<ILogicalExpression> conj : conjs) {
+                if (!(((AbstractFunctionCallExpression) conj.getValue()).getFunctionIdentifier()
+                        .equals(AlgebricksBuiltinFunctions.EQ))) {
+                    return false;
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    // This routine should not be needed! When the same variable is used multiple times in a join predicate as in
+    // AND(eq($$25, $$27), eq($$25, $$34)), JoinUtils.isHashJoinCondition() returns false which makes no sense.
+    // Tried changing the above routine but it always lead to some failures. Unable to figure out what the problem was,
+    // we just replace the duplicate occurrence of every variable with a new variable following by appropriate assign.
+    // We do this only once just once before we construct the final plan.
+    private void checkForMultipleUsesOfVariablesInJoinPreds(PlanNode plan,
+            HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap, IOptimizationContext context)
+            throws AlgebricksException {
+        List<PlanNode> allPlans = joinEnum.getAllPlans();
+        if (plan.IsJoinNode()) {
+            ILogicalExpression exp = plan.getJoinExpr();
+            if (!allEqualityPreds(exp)) {
+                return;
+            }
+            boolean changes = true;
+            while (changes) {
+                changes = false;
+                List<LogicalVariable> vars = new ArrayList<>();
+                exp.getUsedVariables(vars);
+                Set<LogicalVariable> set = new LinkedHashSet<>(vars);
+                if (set.size() < vars.size()) {
+                    // walk thru vars and find the first instance of the duplicate
+                    for (int i = 0; i < vars.size() - 1; i++) {
+                        for (int j = i + 1; j < vars.size(); j++) {
+                            if (vars.get(i) == vars.get(j)) {
+                                /// find the leafInout that contains this vars(i)
+                                for (Map.Entry<EmptyTupleSourceOperator, ILogicalOperator> mapElement : joinLeafInputsHashMap
+                                        .entrySet()) {
+                                    ILogicalOperator joinLeafInput = mapElement.getValue();
+                                    EmptyTupleSourceOperator ets = mapElement.getKey();
+                                    HashSet<LogicalVariable> vars2 = new HashSet<>();
+                                    VariableUtilities.getLiveVariables(joinLeafInput, vars2);
+                                    if (vars2.contains(vars.get(i))) {
+                                        LogicalVariable newVar = context.newVar();
+                                        // replace one occurrence of vars(i) in exp
+                                        substituteVarOnce(exp, vars.get(i), newVar);
+                                        VariableReferenceExpression oldvarExpr =
+                                                new VariableReferenceExpression(vars.get(i));
+                                        AssignOperator assign =
+                                                new AssignOperator(newVar, new MutableObject<>(oldvarExpr));
+                                        // Now add an assign to the joinLeafInput : newvar <-- oldvar
+                                        assign.getInputs().add(new MutableObject<>(joinLeafInput));
+                                        context.computeAndSetTypeEnvironmentForOperator(assign);
+                                        context.addNotToBeInlinedVar(newVar);
+                                        context.addNotToBeInlinedVar(vars.get(i));
+
+                                        // also update the joinLeafInputsHashMap
+                                        joinLeafInputsHashMap.put(ets, assign);
+                                        changes = true;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            // now traverse left and right side plans
+            int leftIndex = plan.getLeftPlanIndex();
+            int rightIndex = plan.getRightPlanIndex();
+            PlanNode leftPlan = allPlans.get(leftIndex);
+            PlanNode rightPlan = allPlans.get(rightIndex);
+            if (leftPlan.IsJoinNode()) {
+                checkForMultipleUsesOfVariablesInJoinPreds(leftPlan, joinLeafInputsHashMap, context);
+            }
+            if (rightPlan.IsJoinNode()) {
+                checkForMultipleUsesOfVariablesInJoinPreds(rightPlan, joinLeafInputsHashMap, context);
+            }
+        }
+    }
+
+    // for every internal edge assign (again assuming only 1 for now), find the corresponding leafInput and place the assign
+    // on top of that LeafInput. Modify the joinLeafInputsHashMap as well.
+    private void pushAssignsIntoLeafInputs(HashMap<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap,
+            List<ILogicalOperator> internalEdges) throws AlgebricksException {
+
+        for (Map.Entry<EmptyTupleSourceOperator, ILogicalOperator> mapElement : joinLeafInputsHashMap.entrySet()) {
+            ILogicalOperator joinLeafInput = mapElement.getValue();
+            EmptyTupleSourceOperator ets = mapElement.getKey();
+            int internalEdgeNumber = findInternalEdge(joinLeafInput, internalEdges);
+            if (internalEdgeNumber != -1) {
+                joinLeafInput = addAssignToLeafInput(joinLeafInput, internalEdges.get(internalEdgeNumber));
+                joinLeafInputsHashMap.put(ets, joinLeafInput);
+                internalEdges.remove(internalEdgeNumber); // no longer needed
+            }
+        }
+
+    }
+
+    private boolean substituteVarOnce(ILogicalExpression exp, LogicalVariable oldVar, LogicalVariable newVar) {
+        switch (exp.getExpressionTag()) {
+            case FUNCTION_CALL:
+                AbstractFunctionCallExpression fun = (AbstractFunctionCallExpression) exp;
+                for (int i = 0; i < fun.getArguments().size(); i++) {
+                    ILogicalExpression arg = fun.getArguments().get(i).getValue();
+                    if (substituteVarOnce(arg, oldVar, newVar)) {
+                        return true;
+                    }
+                }
+                return false;
+            case VARIABLE:
+                VariableReferenceExpression varExpr = (VariableReferenceExpression) exp;
+                if (varExpr.getVariableReference().equals(oldVar)) {
+                    varExpr.setVariable(newVar);
+                    return true;
+                }
+                return false;
+            default:
+                return false;
+        }
+    }
+
+    // check to see if every dataset has a sample. If not, CBO code cannot run. A warning message must be issued as well.
+    private boolean doAllDataSourcesHaveSamples(
+            List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps,
+            IOptimizationContext context) throws AlgebricksException {
+        for (Pair<EmptyTupleSourceOperator, DataSourceScanOperator> emptyTupleAndDataSourceOp : emptyTupleAndDataSourceOps) {
+            if (emptyTupleAndDataSourceOp.getSecond() != null) {
+                DataSourceScanOperator scanOp = emptyTupleAndDataSourceOp.getSecond();
+                Index index = joinEnum.getStatsHandle().findSampleIndex(scanOp, context);
+                if (index == null) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EstimatedCostComputationVisitor.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EstimatedCostComputationVisitor.java
new file mode 100644
index 0000000..f9f34bf
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/EstimatedCostComputationVisitor.java
@@ -0,0 +1,352 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.optimizer.rules.cbo;
+
+import java.util.Map;
+
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ForwardOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteUpsertOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteUpsertOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IntersectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterUnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterUnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WindowOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+
+/**
+ * A visitor that annotates an operator with its estimated cardinality and estimated cost.
+ */
+public class EstimatedCostComputationVisitor implements ILogicalOperatorVisitor<Pair<Double, Double>, Double> {
+
+    public EstimatedCostComputationVisitor() {
+    }
+
+    @Override
+    public Pair<Double, Double> visitAggregateOperator(AggregateOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitRunningAggregateOperator(RunningAggregateOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitEmptyTupleSourceOperator(EmptyTupleSourceOperator op, Double arg)
+            throws AlgebricksException {
+        // Empty tuple source operator sends an empty tuple to downstream operators.
+        return new Pair<>(0.0, 0.0);
+    }
+
+    @Override
+    public Pair<Double, Double> visitGroupByOperator(GroupByOperator op, Double arg) throws AlgebricksException {
+        // Needs more work in the cardinality estimation code to estimate group by cardinality and cost.
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitLimitOperator(LimitOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitInnerJoinOperator(InnerJoinOperator op, Double arg) throws AlgebricksException {
+        return visitInnerJoin(op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitLeftOuterJoinOperator(LeftOuterJoinOperator op, Double arg)
+            throws AlgebricksException {
+        return visitLeftOuterUnnest(op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitNestedTupleSourceOperator(NestedTupleSourceOperator op, Double arg)
+            throws AlgebricksException {
+        Pair<Double, Double> cardCost = annotate(this, op, arg);
+        return op.getDataSourceReference().getValue().getOperatorTag() == LogicalOperatorTag.SUBPLAN ? cardCost
+                : new Pair<>(0.0, 0.0);
+    }
+
+    @Override
+    public Pair<Double, Double> visitOrderOperator(OrderOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitAssignOperator(AssignOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitWindowOperator(WindowOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitSelectOperator(SelectOperator op, Double arg) throws AlgebricksException {
+        Pair<Double, Double> cardCost = op.getInputs().get(0).getValue().accept(this, arg);
+        for (Map.Entry<String, Object> anno : op.getAnnotations().entrySet()) {
+            if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_OUTPUT_CARDINALITY)) {
+                cardCost.setFirst((Double) anno.getValue());
+            } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_COST_TOTAL)) {
+                cardCost.setSecond((Double) anno.getValue());
+            }
+        }
+
+        return cardCost;
+    }
+
+    @Override
+    public Pair<Double, Double> visitDelegateOperator(DelegateOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitProjectOperator(ProjectOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitReplicateOperator(ReplicateOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitSplitOperator(SplitOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitMaterializeOperator(MaterializeOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitScriptOperator(ScriptOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitSubplanOperator(SubplanOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitSinkOperator(SinkOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitUnionOperator(UnionAllOperator op, Double arg) throws AlgebricksException {
+        // Needs more work.
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitUnnestOperator(UnnestOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitLeftOuterUnnestOperator(LeftOuterUnnestOperator op, Double arg)
+            throws AlgebricksException {
+        return visitLeftOuterUnnest(op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitUnnestMapOperator(UnnestMapOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitLeftOuterUnnestMapOperator(LeftOuterUnnestMapOperator op, Double arg)
+            throws AlgebricksException {
+        return visitLeftOuterUnnest(op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitDataScanOperator(DataSourceScanOperator op, Double arg)
+            throws AlgebricksException {
+        Pair<Double, Double> cardCost = new Pair<>(0.0, 0.0);
+
+        for (Map.Entry<String, Object> anno : op.getAnnotations().entrySet()) {
+            if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_INPUT_CARDINALITY)) {
+                cardCost.setFirst((Double) anno.getValue());
+            } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_COST_TOTAL)) {
+                cardCost.setSecond((Double) anno.getValue());
+            }
+        }
+
+        return cardCost;
+    }
+
+    @Override
+    public Pair<Double, Double> visitDistinctOperator(DistinctOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitExchangeOperator(ExchangeOperator op, Double arg) throws AlgebricksException {
+        double exchCost = 0;
+        if (arg != null) {
+            exchCost = arg;
+        }
+
+        Pair<Double, Double> cardCost = op.getInputs().get(0).getValue().accept(this, arg);
+        if (exchCost != 0) {
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL, exchCost);
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_TOTAL, exchCost + cardCost.getSecond());
+        } else {
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL, 0.0);
+            op.getAnnotations().put(OperatorAnnotations.OP_COST_TOTAL, cardCost.getSecond());
+        }
+        op.getAnnotations().put(OperatorAnnotations.OP_OUTPUT_CARDINALITY, cardCost.getFirst());
+        return cardCost;
+    }
+
+    @Override
+    public Pair<Double, Double> visitWriteOperator(WriteOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitDistributeResultOperator(DistributeResultOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitWriteResultOperator(WriteResultOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitInsertDeleteUpsertOperator(InsertDeleteUpsertOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitIndexInsertDeleteUpsertOperator(IndexInsertDeleteUpsertOperator op, Double arg)
+            throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitTokenizeOperator(TokenizeOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitForwardOperator(ForwardOperator op, Double arg) throws AlgebricksException {
+        return annotate(this, op, arg);
+    }
+
+    @Override
+    public Pair<Double, Double> visitIntersectOperator(IntersectOperator op, Double arg) throws AlgebricksException {
+        // Needs more work.
+        return annotate(this, op, arg);
+    }
+
+    private static Pair<Double, Double> annotate(EstimatedCostComputationVisitor visitor, ILogicalOperator op,
+            Double arg) throws AlgebricksException {
+        if (op.getInputs().isEmpty()) {
+            return new Pair<>(0.0, 0.0);
+        }
+        Pair<Double, Double> cardCost = op.getInputs().get(0).getValue().accept(visitor, arg);
+        op.getAnnotations().put(OperatorAnnotations.OP_OUTPUT_CARDINALITY, cardCost.getFirst());
+        op.getAnnotations().put(OperatorAnnotations.OP_COST_TOTAL, cardCost.getSecond());
+        op.getAnnotations().put(OperatorAnnotations.OP_COST_LOCAL, 0.0);
+        return cardCost;
+    }
+
+    // Visits an operator that has the left outer semantics, e.g.,
+    // left outer join, left outer unnest, left outer unnest map.
+    private Pair<Double, Double> visitLeftOuterUnnest(ILogicalOperator operator, Double arg)
+            throws AlgebricksException {
+        // Needs more work.
+        return operator.getInputs().get(0).getValue().accept(this, arg);
+    }
+
+    // Visits an inner join operator.
+    private Pair<Double, Double> visitInnerJoin(InnerJoinOperator joinOperator, Double arg) throws AlgebricksException {
+        Pair<Double, Double> cardCost = new Pair<>(0.0, 0.0);
+
+        ILogicalOperator left = joinOperator.getInputs().get(0).getValue();
+        ILogicalOperator right = joinOperator.getInputs().get(1).getValue();
+        double leftExchangeCost = 0;
+        double rightExchangeCost = 0;
+
+        for (Map.Entry<String, Object> anno : joinOperator.getAnnotations().entrySet()) {
+            if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_OUTPUT_CARDINALITY)) {
+                cardCost.setFirst((Double) anno.getValue());
+            } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_COST_TOTAL)) {
+                cardCost.setSecond((Double) anno.getValue());
+            } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_LEFT_EXCHANGE_COST)) {
+                leftExchangeCost = (double) anno.getValue();
+            } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_RIGHT_EXCHANGE_COST)) {
+                rightExchangeCost = (double) anno.getValue();
+            }
+        }
+
+        // Visit the left and right branches.
+        left.accept(this, leftExchangeCost);
+        right.accept(this, rightExchangeCost);
+
+        return cardCost;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinCondition.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinCondition.java
new file mode 100644
index 0000000..bc7ea3f
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinCondition.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+
+public class JoinCondition {
+
+    public static final int NO_JC = -1;
+
+    public ILogicalExpression joinCondition;
+    public boolean derived = false;
+    public boolean partOfComposite = false;
+    public int numberOfVars = 0; // how many variables
+    public int componentNumber = 0; // for identifying if join graph is connected
+    public int datasetBits;
+    // used for triangle detection; we strictly do not mean left and right here.
+    // first and second sides would be more appropriate
+    public int leftSideBits;
+    public int rightSideBits;
+    public double selectivity;
+    public comparisonOp comparisonType;
+
+    public enum comparisonOp {
+        OP_EQ,
+        OP_OTHER
+    }
+
+    public ILogicalExpression getJoinCondition() {
+        return joinCondition;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinEnum.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinEnum.java
new file mode 100644
index 0000000..d0c7ea1
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinEnum.java
@@ -0,0 +1,783 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.asterix.common.annotations.IndexedNLJoinExpressionAnnotation;
+import org.apache.asterix.metadata.declared.DataSource;
+import org.apache.asterix.metadata.declared.DataSourceId;
+import org.apache.asterix.metadata.entities.Index;
+import org.apache.asterix.om.base.AOrderedList;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.om.constants.AsterixConstantValue;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.types.ATypeTag;
+import org.apache.asterix.optimizer.cost.Cost;
+import org.apache.asterix.optimizer.cost.CostMethods;
+import org.apache.asterix.optimizer.cost.ICost;
+import org.apache.asterix.optimizer.cost.ICostMethods;
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.commons.lang3.mutable.MutableObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.IPlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class JoinEnum {
+
+    private static final Logger LOGGER = LogManager.getLogger();
+
+    protected List<JoinCondition> joinConditions; // "global" list of join conditions
+    protected List<PlanNode> allPlans; // list of all plans
+    protected JoinNode[] jnArray; // array of all join nodes
+    protected int jnArraySize;
+    protected List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps;
+    protected Map<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap;
+    protected Map<DataSourceScanOperator, EmptyTupleSourceOperator> dataSourceEmptyTupleHashMap;
+    protected List<ILogicalExpression> singleDatasetPreds;
+    protected List<ILogicalOperator> internalEdges;
+    protected List<ILogicalOperator> joinOps;
+    protected ILogicalOperator localJoinOp; // used in nestedLoopsApplicable code.
+    protected IOptimizationContext optCtx;
+    protected Stats stats;
+    protected PhysicalOptimizationConfig physOptConfig;
+    protected boolean cboMode;
+    protected boolean cboTestMode;
+    protected int numberOfTerms;
+    protected AbstractLogicalOperator op;
+    protected boolean connectedJoinGraph;
+    protected boolean forceJoinOrderMode;
+    protected String queryPlanShape;
+    protected ICost cost;
+    protected ICostMethods costMethods;
+
+    public JoinEnum() {
+    }
+
+    public void initEnum(AbstractLogicalOperator op, boolean cboMode, boolean cboTestMode, int numberOfFromTerms,
+            List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps,
+            Map<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap,
+            Map<DataSourceScanOperator, EmptyTupleSourceOperator> dataSourceEmptyTupleHashMap,
+            List<ILogicalOperator> internalEdges, List<ILogicalOperator> joinOps, IOptimizationContext context) {
+        this.singleDatasetPreds = new ArrayList<>();
+        this.joinConditions = new ArrayList<>();
+        this.internalEdges = new ArrayList<>();
+        this.allPlans = new ArrayList<>();
+        this.numberOfTerms = numberOfFromTerms;
+        this.cboMode = cboMode;
+        this.cboTestMode = cboTestMode;
+        this.connectedJoinGraph = true;
+        this.optCtx = context;
+        this.physOptConfig = context.getPhysicalOptimizationConfig();
+        this.emptyTupleAndDataSourceOps = emptyTupleAndDataSourceOps;
+        this.joinLeafInputsHashMap = joinLeafInputsHashMap;
+        this.dataSourceEmptyTupleHashMap = dataSourceEmptyTupleHashMap;
+        this.internalEdges = internalEdges;
+        this.joinOps = joinOps;
+        this.op = op;
+        this.forceJoinOrderMode = getForceJoinOrderMode(context);
+        this.queryPlanShape = getQueryPlanShape(context);
+        initCostHandleAndJoinNodes(context);
+    }
+
+    protected void initCostHandleAndJoinNodes(IOptimizationContext context) {
+        this.cost = new Cost();
+        this.costMethods = new CostMethods(context);
+        this.stats = new Stats(optCtx, this);
+        this.jnArraySize = (int) Math.pow(2.0, this.numberOfTerms);
+        this.jnArray = new JoinNode[this.jnArraySize];
+        // initialize all the join nodes
+        for (int i = 0; i < this.jnArraySize; i++) {
+            this.jnArray[i] = new JoinNode(i, this);
+        }
+    }
+
+    public List<JoinCondition> getJoinConditions() {
+        return joinConditions;
+    }
+
+    public List<PlanNode> getAllPlans() {
+        return allPlans;
+    }
+
+    public JoinNode[] getJnArray() {
+        return jnArray;
+    }
+
+    public Cost getCostHandle() {
+        return (Cost) cost;
+    }
+
+    public CostMethods getCostMethodsHandle() {
+        return (CostMethods) costMethods;
+    }
+
+    public Stats getStatsHandle() {
+        return stats;
+    }
+
+    public Map<EmptyTupleSourceOperator, ILogicalOperator> getJoinLeafInputsHashMap() {
+        return joinLeafInputsHashMap;
+    }
+
+    public Map<DataSourceScanOperator, EmptyTupleSourceOperator> getDataSourceEmptyTupleHashMap() {
+        return dataSourceEmptyTupleHashMap;
+    }
+
+    public ILogicalOperator findLeafInput(List<LogicalVariable> logicalVars) throws AlgebricksException {
+        Set<LogicalVariable> vars = new HashSet<>();
+        for (Pair<EmptyTupleSourceOperator, DataSourceScanOperator> emptyTupleAndDataSourceOp : emptyTupleAndDataSourceOps) {
+            EmptyTupleSourceOperator emptyOp = emptyTupleAndDataSourceOp.getFirst();
+            ILogicalOperator op = joinLeafInputsHashMap.get(emptyOp);
+            vars.clear();
+            // this is expensive to do. So store this once and reuse
+            VariableUtilities.getLiveVariables(op, vars);
+            if (vars.containsAll(logicalVars)) {
+                return op;
+            }
+        }
+        // this will never happen, but keep compiler happy
+        return null;
+    }
+
+    public ILogicalExpression combineAllConditions(List<Integer> newJoinConditions) {
+        if (newJoinConditions.size() == 0) {
+            // this is a cartesian product
+            return ConstantExpression.TRUE;
+        }
+        if (newJoinConditions.size() == 1) {
+            JoinCondition jc = joinConditions.get(newJoinConditions.get(0));
+            return jc.joinCondition;
+        }
+        ScalarFunctionCallExpression andExpr = new ScalarFunctionCallExpression(
+                BuiltinFunctions.getBuiltinFunctionInfo(AlgebricksBuiltinFunctions.AND));
+
+        for (int joinNum : newJoinConditions) {
+            // Need to AND all the expressions.
+            JoinCondition jc = joinConditions.get(joinNum);
+            andExpr.getArguments().add(new MutableObject<>(jc.joinCondition));
+        }
+        return andExpr;
+    }
+
+    public ILogicalExpression getNestedLoopJoinExpr(List<Integer> newJoinConditions) {
+        if (newJoinConditions.size() != 1) {
+            // may remove this restriction later if possible
+            return null;
+        }
+        JoinCondition jc = joinConditions.get(newJoinConditions.get(0));
+        return jc.joinCondition;
+    }
+
+    public ILogicalExpression getHashJoinExpr(List<Integer> newJoinConditions) {
+        if (newJoinConditions.size() == 0) {
+            // this is a cartesian product
+            return ConstantExpression.TRUE;
+        }
+        if (newJoinConditions.size() == 1) {
+            JoinCondition jc = joinConditions.get(newJoinConditions.get(0));
+            if (jc.comparisonType == JoinCondition.comparisonOp.OP_EQ) {
+                return jc.joinCondition;
+            }
+            return null;
+        }
+        ScalarFunctionCallExpression andExpr = new ScalarFunctionCallExpression(
+                BuiltinFunctions.getBuiltinFunctionInfo(AlgebricksBuiltinFunctions.AND));
+
+        // at least one equality predicate needs to be present for a hash join to be possible.
+        boolean eqPredFound = false;
+        for (int joinNum : newJoinConditions) {
+            // need to AND all the expressions.
+            JoinCondition jc = joinConditions.get(joinNum);
+            if (jc.comparisonType == JoinCondition.comparisonOp.OP_EQ) {
+                eqPredFound = true;
+            }
+            andExpr.getArguments().add(new MutableObject<>(jc.joinCondition));
+        }
+        // return null if no equality predicates were found
+        return eqPredFound ? andExpr : null;
+    }
+
+    public HashJoinExpressionAnnotation findHashJoinHint(List<Integer> newJoinConditions) {
+        for (int i : newJoinConditions) {
+            JoinCondition jc = joinConditions.get(i);
+            if (jc.comparisonType != JoinCondition.comparisonOp.OP_EQ) {
+                return null;
+            }
+            ILogicalExpression expr = jc.joinCondition;
+            if (expr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                AbstractFunctionCallExpression AFCexpr = (AbstractFunctionCallExpression) expr;
+                HashJoinExpressionAnnotation hjea = AFCexpr.getAnnotation(HashJoinExpressionAnnotation.class);
+                if (hjea != null) {
+                    return hjea;
+                }
+            }
+        }
+        return null;
+    }
+
+    public BroadcastExpressionAnnotation findBroadcastHashJoinHint(List<Integer> newJoinConditions) {
+        for (int i : newJoinConditions) {
+            JoinCondition jc = joinConditions.get(i);
+            if (jc.comparisonType != JoinCondition.comparisonOp.OP_EQ) {
+                return null;
+            }
+            ILogicalExpression expr = jc.joinCondition;
+            if (expr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                AbstractFunctionCallExpression AFCexpr = (AbstractFunctionCallExpression) expr;
+                BroadcastExpressionAnnotation bcasthjea = AFCexpr.getAnnotation(BroadcastExpressionAnnotation.class);
+                if (bcasthjea != null) {
+                    return bcasthjea;
+                }
+            }
+        }
+        return null;
+    }
+
+    public IndexedNLJoinExpressionAnnotation findNLJoinHint(List<Integer> newJoinConditions) {
+        for (int i : newJoinConditions) {
+            JoinCondition jc = joinConditions.get(i);
+            ILogicalExpression expr = jc.joinCondition;
+            if (expr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                AbstractFunctionCallExpression AFCexpr = (AbstractFunctionCallExpression) expr;
+                IndexedNLJoinExpressionAnnotation inljea =
+                        AFCexpr.getAnnotation(IndexedNLJoinExpressionAnnotation.class);
+                if (inljea != null) {
+                    return inljea;
+                }
+            }
+        }
+        return null;
+    }
+
+    public int findJoinNodeIndexByName(String name) {
+        for (int i = 1; i <= this.numberOfTerms; i++) {
+            if (name.equals(jnArray[i].datasetNames.get(0))) {
+                return i;
+            } else if (name.equals(jnArray[i].aliases.get(0))) {
+                return i;
+            }
+        }
+        // should never happen; keep compiler happy.
+        return JoinNode.NO_JN;
+    }
+
+    public int findJoinNodeIndex(LogicalVariable lv) throws AlgebricksException {
+        List<Pair<EmptyTupleSourceOperator, DataSourceScanOperator>> emptyTupleAndDataSourceOps =
+                this.emptyTupleAndDataSourceOps;
+        Map<EmptyTupleSourceOperator, ILogicalOperator> joinLeafInputsHashMap = this.joinLeafInputsHashMap;
+
+        for (Map.Entry<EmptyTupleSourceOperator, ILogicalOperator> mapElement : joinLeafInputsHashMap.entrySet()) {
+            ILogicalOperator joinLeafInput = mapElement.getValue();
+            HashSet<LogicalVariable> vars = new HashSet<>();
+            // this should get the variables from the inputs only, since the join condition is itself set to null
+            VariableUtilities.getLiveVariables(joinLeafInput, vars);
+            if (vars.contains(lv)) {
+                EmptyTupleSourceOperator key = mapElement.getKey();
+                for (int i = 0; i < emptyTupleAndDataSourceOps.size(); i++) {
+                    if (key.equals(emptyTupleAndDataSourceOps.get(i).getFirst())) {
+                        return i;
+                    }
+                }
+            }
+        }
+        return JoinNode.NO_JN;
+    }
+
+    private int findBits(LogicalVariable lv) throws AlgebricksException {
+        int idx = findJoinNodeIndex(lv);
+        if (idx >= 0) {
+            return 1 << idx;
+        }
+
+        // so this variable must be in an internal edge in an assign statement. Find the RHS variables there
+        for (ILogicalOperator op : this.internalEdges) {
+            if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
+                List<LogicalVariable> vars2 = new ArrayList<>();
+                VariableUtilities.getUsedVariables(op, vars2);
+                int bits = 0;
+                for (LogicalVariable lv2 : vars2) {
+                    bits |= findBits(lv2);
+                }
+                return bits;
+            }
+        }
+        // should never reach this because every variable must exist in some leaf input.
+        return JoinNode.NO_JN;
+    }
+
+    // This finds all the join Conditions in the whole query. This is a global list of all join predicates.
+    // It also fills in the dataset Bits for each join predicate.
+    protected void findJoinConditions() throws AlgebricksException {
+        List<Mutable<ILogicalExpression>> conjs = new ArrayList<>();
+        for (ILogicalOperator jOp : joinOps) {
+            AbstractBinaryJoinOperator joinOp = (AbstractBinaryJoinOperator) jOp;
+            ILogicalExpression expr = joinOp.getCondition().getValue();
+            conjs.clear();
+            if (expr.splitIntoConjuncts(conjs)) {
+                conjs.remove(new MutableObject<ILogicalExpression>(ConstantExpression.TRUE));
+                for (Mutable<ILogicalExpression> conj : conjs) {
+                    JoinCondition jc = new JoinCondition();
+                    jc.joinCondition = conj.getValue().cloneExpression();
+                    joinConditions.add(jc);
+                    jc.selectivity = stats.getSelectivityFromAnnotationMain(jc.joinCondition, true);
+                }
+            } else {
+                if ((expr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL))) {
+                    JoinCondition jc = new JoinCondition();
+                    // change to not a true condition
+                    jc.joinCondition = expr.cloneExpression();
+                    joinConditions.add(jc);
+                    jc.selectivity = stats.getSelectivityFromAnnotationMain(jc.joinCondition, true);
+                }
+            }
+        }
+
+        // now patch up any join conditions that have variables referenced in any internal assign statements.
+        List<LogicalVariable> usedVars = new ArrayList<>();
+        for (JoinCondition jc : joinConditions) {
+            usedVars.clear();
+            ILogicalExpression expr = jc.joinCondition;
+            expr.getUsedVariables(usedVars);
+            for (ILogicalOperator ie : internalEdges) {
+                AssignOperator aOp = (AssignOperator) ie;
+                for (int i = 0; i < aOp.getVariables().size(); i++) {
+                    if (usedVars.contains(aOp.getVariables().get(i))) {
+                        OperatorManipulationUtil.replaceVarWithExpr((AbstractFunctionCallExpression) expr,
+                                aOp.getVariables().get(i), aOp.getExpressions().get(i).getValue());
+                        jc.joinCondition = expr;
+                        jc.selectivity = stats.getSelectivityFromAnnotationMain(jc.joinCondition, true);
+                    }
+                }
+            }
+        }
+
+        // now fill the datasetBits for each join condition.
+        for (JoinCondition jc : joinConditions) {
+            ILogicalExpression joinExpr = jc.joinCondition;
+            /*
+            if (joinExpr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                AbstractFunctionCallExpression afce = (AbstractFunctionCallExpression) joinExpr;
+                // remove all the join method type annotations.
+                afce.removeAnnotation(BroadcastExpressionAnnotation.class);
+                afce.removeAnnotation(IndexedNLJoinExpressionAnnotation.class);
+                afce.removeAnnotation(HashJoinExpressionAnnotation.class);
+            }
+             */
+            usedVars.clear();
+            joinExpr.getUsedVariables(usedVars);
+            // We only set these for join predicates that have exactly two tables
+            jc.leftSideBits = jc.rightSideBits = JoinCondition.NO_JC;
+            if (((AbstractFunctionCallExpression) joinExpr).getFunctionIdentifier()
+                    .equals(AlgebricksBuiltinFunctions.EQ)) {
+                jc.comparisonType = JoinCondition.comparisonOp.OP_EQ;
+            } else {
+                jc.comparisonType = JoinCondition.comparisonOp.OP_OTHER;
+            }
+            jc.numberOfVars = usedVars.size();
+
+            for (int i = 0; i < jc.numberOfVars; i++) {
+                int bits = findBits(usedVars.get(i)); // rename to findInWhichLeaf
+                if (bits != JoinCondition.NO_JC) {
+                    if (i == 0) {
+                        jc.leftSideBits = bits;
+                    } else if (i == 1) {
+                        jc.rightSideBits = bits;
+                    } else {
+                        // have to deal with preds such as r.a + s.a = 5 OR r.a + s.a = t.a
+                    }
+                    jc.datasetBits |= bits;
+                }
+            }
+        }
+    }
+
+    // in case we have l.partkey = ps.partkey and l.suppkey = ps.suppkey, we will only use the first one for cardinality computations.
+    // treat it like a Pk-Fk join; simplifies cardinality computation
+    private void markCompositeJoinPredicates() {
+        // can use dataSetBits??? This will be simpler.
+        for (int i = 0; i < joinConditions.size() - 1; i++) {
+            for (int j = i + 1; j < joinConditions.size(); j++) {
+                if (joinConditions.get(i).datasetBits == joinConditions.get(j).datasetBits) {
+                    joinConditions.get(j).partOfComposite = true;
+                }
+            }
+        }
+    }
+
+    private boolean verticesMatch(JoinCondition jc1, JoinCondition jc2) {
+        return jc1.leftSideBits == jc2.leftSideBits || jc1.leftSideBits == jc2.rightSideBits
+                || jc1.rightSideBits == jc2.leftSideBits || jc1.rightSideBits == jc2.rightSideBits;
+    }
+
+    private void markComponents(int startingJoinCondition) {
+        List<JoinCondition> joinConditions = this.getJoinConditions();
+        // see if all the joinCondition can be reached starting with the first.
+        JoinCondition jc1 = joinConditions.get(startingJoinCondition);
+        for (int i = 0; i < joinConditions.size(); i++) {
+            JoinCondition jc2 = joinConditions.get(i);
+            if (i != startingJoinCondition && jc2.componentNumber == 0) {
+                // a new edge not visited before
+                if (verticesMatch(jc1, jc2)) {
+                    jc2.componentNumber = 1;
+                    markComponents(i);
+                }
+            }
+        }
+    }
+
+    private void findIfJoinGraphIsConnected() {
+        int numJoinConditions = joinConditions.size();
+        if (numJoinConditions < numberOfTerms - 1) {
+            /// not enough join predicates
+            connectedJoinGraph = false;
+            return;
+        }
+        if (numJoinConditions > 0) {
+            joinConditions.get(0).componentNumber = 1;
+            markComponents(0);
+            for (int i = 1; i < numJoinConditions; i++) {
+                if (joinConditions.get(i).componentNumber == 0) {
+                    connectedJoinGraph = false;
+                    return;
+                }
+            }
+        }
+    }
+
+    private double findInListCard(ILogicalOperator op) {
+        if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
+            return 1.0;
+        }
+
+        if (op.getOperatorTag() == LogicalOperatorTag.UNNEST) {
+            UnnestOperator unnestOp = (UnnestOperator) op;
+            ILogicalExpression unnestExpr = unnestOp.getExpressionRef().getValue();
+            UnnestingFunctionCallExpression unnestingFuncExpr = (UnnestingFunctionCallExpression) unnestExpr;
+
+            if (unnestingFuncExpr.getFunctionIdentifier().equals(BuiltinFunctions.SCAN_COLLECTION)) {
+                if (unnestingFuncExpr.getArguments().get(0).getValue()
+                        .getExpressionTag() == LogicalExpressionTag.CONSTANT) {
+                    ConstantExpression constantExpr =
+                            (ConstantExpression) unnestingFuncExpr.getArguments().get(0).getValue();
+                    AsterixConstantValue constantValue = (AsterixConstantValue) constantExpr.getValue();
+                    IAObject v = constantValue.getObject();
+                    if (v.getType().getTypeTag() == ATypeTag.ARRAY) {
+                        AOrderedList array = (AOrderedList) v;
+                        return array.size();
+                    }
+                }
+            }
+        }
+        // just a guess
+        return 10.0;
+    }
+
+    private String findAlias(DataSourceScanOperator scanOp) {
+        DataSource ds = (DataSource) scanOp.getDataSource();
+        List<LogicalVariable> allVars = scanOp.getVariables();
+        LogicalVariable dataRecVarInScan = ds.getDataRecordVariable(allVars);
+        return dataRecVarInScan.toString().substring(2);
+    }
+
+    private int addNonBushyJoinNodes(int level, int jnNumber, int[] startJnAtLevel) throws AlgebricksException {
+        // adding joinNodes of level (2, 3, ..., numberOfTerms)
+        int startJnSecondLevel = startJnAtLevel[2];
+        int startJnPrevLevel = startJnAtLevel[level - 1];
+        int startJnNextLevel = startJnAtLevel[level];
+        int i, j, addPlansToThisJn;
+
+        // walking thru the previous level
+        for (i = startJnPrevLevel; i < startJnNextLevel; i++) {
+            JoinNode jnI = jnArray[i];
+            jnI.jnArrayIndex = i;
+            if (jnI.highestDatasetId == 0) {
+                // this jn can be skipped
+                continue;
+            }
+
+            // walk thru the first level here
+            for (j = 1; j < startJnSecondLevel; j++) {
+                if (level == 2 && i > j) {
+                    // don't want to generate x y and y x. we will do this in plan generation.
+                    continue;
+                }
+                JoinNode jnJ = jnArray[j];
+                jnJ.jnArrayIndex = j;
+                if ((jnI.datasetBits & jnJ.datasetBits) > 0) {
+                    // these already have some common table
+                    continue;
+                }
+                int newBits = jnI.datasetBits | jnJ.datasetBits;
+                JoinNode jnNewBits = jnArray[newBits];
+                jnNewBits.jnArrayIndex = newBits;
+                // visiting this join node for the first time
+                if (jnNewBits.jnIndex == 0) {
+                    jnNumber++;
+                    JoinNode jn = jnArray[jnNumber];
+                    jn.jnArrayIndex = jnNumber;
+                    // if we want to locate the joinNode num (say 33) which has tables 1, 2, and 5.
+                    // if these bits are turned on, we get 19. Then jn[19].jn_index will equal 33.
+                    // Then jn[33].highestKeyspaceId will equal 5
+                    // if this joinNode ever gets removed, then set jn[19].highestKeyspaceId = 0
+                    jn.datasetBits = newBits;
+                    jnNewBits.jnIndex = addPlansToThisJn = jnNumber;
+                    jn.level = level;
+                    jn.highestDatasetId = Math.max(jnI.highestDatasetId, j);
+
+                    jn.datasetIndexes = new ArrayList<>();
+                    jn.datasetIndexes.addAll(jnI.datasetIndexes);
+                    jn.datasetIndexes.addAll(jnJ.datasetIndexes);
+                    Collections.sort(jn.datasetIndexes);
+
+                    jn.datasetNames = new ArrayList<>();
+                    jn.datasetNames.addAll(jnI.datasetNames);
+                    jn.datasetNames.addAll(jnJ.datasetNames);
+                    Collections.sort(jn.datasetNames);
+                    jn.aliases = new ArrayList<>();
+                    jn.aliases.addAll(jnI.aliases);
+                    jn.aliases.addAll(jnJ.aliases);
+                    Collections.sort(jn.aliases);
+                    jn.size = jnI.size + jnJ.size;
+                    jn.cardinality = jn.computeJoinCardinality();
+                } else {
+                    addPlansToThisJn = jnNewBits.jnIndex;
+                }
+
+                JoinNode jnIJ = jnArray[addPlansToThisJn];
+                jnIJ.jnArrayIndex = addPlansToThisJn;
+                jnIJ.addMultiDatasetPlans(jnI, jnJ);
+                if (forceJoinOrderMode) {
+                    break;
+                }
+            }
+            if (forceJoinOrderMode) {
+                break;
+            }
+        }
+
+        return jnNumber;
+    }
+
+    private int enumerateHigherLevelJoinNodes() throws AlgebricksException {
+        int jnNumber = this.numberOfTerms;
+        int[] firstJnAtLevel;
+        firstJnAtLevel = new int[numberOfTerms + 1];
+        firstJnAtLevel[1] = 1;
+        IPlanPrettyPrinter pp = optCtx.getPrettyPrinter();
+        // after implementing greedy plan, we can start at level 3;
+        int startLevel = 2;
+        if (LOGGER.isTraceEnabled()) {
+            EnumerateJoinsRule.printPlan(pp, op, "Original Whole plan in JN 4");
+        }
+        for (int level = startLevel; level <= numberOfTerms; level++) {
+            firstJnAtLevel[level] = jnNumber + 1;
+            jnNumber = addNonBushyJoinNodes(level, jnNumber, firstJnAtLevel);
+        }
+        if (LOGGER.isTraceEnabled()) {
+            EnumerateJoinsRule.printPlan(pp, op, "Original Whole plan in JN 5");
+        }
+        return jnNumber;
+    }
+
+    protected int enumerateBaseLevelJoinNodes() throws AlgebricksException {
+        int lastBaseLevelJnNum = initializeBaseLevelJoinNodes();
+        if (lastBaseLevelJnNum == PlanNode.NO_PLAN) {
+            return PlanNode.NO_PLAN;
+        }
+        int dataScanPlan = PlanNode.NO_PLAN;
+        for (int i = 1; i <= numberOfTerms; i++) {
+            JoinNode jn = jnArray[i];
+            EmptyTupleSourceOperator ets = emptyTupleAndDataSourceOps.get(i - 1).getFirst();
+            ILogicalOperator leafInput = joinLeafInputsHashMap.get(ets);
+            dataScanPlan = jn.addSingleDatasetPlans();
+            if (dataScanPlan == PlanNode.NO_PLAN) {
+                return PlanNode.NO_PLAN;
+            }
+            // We may not add any index plans, so need to check for NO_PLAN
+            jn.addIndexAccessPlans(leafInput);
+        }
+        return numberOfTerms;
+    }
+
+    protected int initializeBaseLevelJoinNodes() throws AlgebricksException {
+        // join nodes have been allocated in the JoinEnum
+        // add a dummy Plan Node; we do not want planNode at position 0 to be a valid plan
+        PlanNode pn = new PlanNode(0, this);
+        pn.jn = null;
+        pn.jnIndexes[0] = pn.jnIndexes[1] = JoinNode.NO_JN;
+        pn.planIndexes[0] = pn.planIndexes[1] = PlanNode.NO_PLAN;
+        pn.opCost = pn.totalCost = new Cost(0);
+        allPlans.add(pn);
+
+        boolean noCards = false;
+        // initialize the level 1 join nodes
+        for (int i = 1; i <= numberOfTerms; i++) {
+            JoinNode jn = jnArray[i];
+            jn.jnArrayIndex = i;
+            jn.datasetBits = 1 << (i - 1);
+            jn.datasetIndexes = new ArrayList<>(Collections.singleton(i));
+            EmptyTupleSourceOperator ets = emptyTupleAndDataSourceOps.get(i - 1).getFirst();
+            ILogicalOperator leafInput = joinLeafInputsHashMap.get(ets);
+
+            DataSourceScanOperator scanOp = emptyTupleAndDataSourceOps.get(i - 1).getSecond();
+            if (scanOp != null) {
+                DataSourceId id = (DataSourceId) scanOp.getDataSource().getId();
+                jn.aliases = new ArrayList<>(Collections.singleton(findAlias(scanOp)));
+                jn.datasetNames = new ArrayList<>(Collections.singleton(id.getDatasourceName()));
+                Index.SampleIndexDetails idxDetails;
+                Index index = stats.findSampleIndex(scanOp, optCtx);
+                if (index != null) {
+                    idxDetails = (Index.SampleIndexDetails) index.getIndexDetails();
+                } else {
+                    idxDetails = null;
+                }
+
+                jn.idxDetails = idxDetails;
+                if (cboTestMode) {
+                    // to make asterix tests run
+                    jn.origCardinality = 1000000;
+                    jn.size = 500;
+                } else {
+                    if (idxDetails == null) {
+                        return PlanNode.NO_PLAN;
+                    }
+                    jn.setOrigCardinality(idxDetails.getSourceCardinality());
+                    jn.setAvgDocSize(idxDetails.getSourceAvgItemSize());
+                }
+                // multiply by the respective predicate selectivities
+                jn.cardinality = jn.origCardinality * stats.getSelectivity(leafInput, false);
+            } else {
+                // could be unnest or assign
+                jn.datasetNames = new ArrayList<>(Collections.singleton("unnestOrAssign"));
+                jn.aliases = new ArrayList<>(Collections.singleton("unnestOrAssign"));
+                jn.origCardinality = jn.cardinality = findInListCard(leafInput);
+                // just a guess
+                jn.size = 10;
+            }
+
+            if (jn.origCardinality >= Cost.MAX_CARD) {
+                noCards = true;
+            }
+            jn.correspondingEmptyTupleSourceOp = emptyTupleAndDataSourceOps.get(i - 1).getFirst();
+            jn.highestDatasetId = i;
+            jn.level = 1;
+        }
+        if (noCards) {
+            return PlanNode.NO_PLAN;
+        }
+        return numberOfTerms;
+    }
+
+    // main entry point in this file
+    public int enumerateJoins() throws AlgebricksException {
+        // create a localJoinOp for use in calling existing nested loops code.
+        InnerJoinOperator dummyInput = new InnerJoinOperator(null, null, null);
+        localJoinOp = new InnerJoinOperator(new MutableObject<>(ConstantExpression.TRUE),
+                new MutableObject<>(dummyInput), new MutableObject<>(dummyInput));
+
+        int lastBaseLevelJnNum = enumerateBaseLevelJoinNodes();
+        if (lastBaseLevelJnNum == PlanNode.NO_PLAN) {
+            return PlanNode.NO_PLAN;
+        }
+
+        IPlanPrettyPrinter pp = optCtx.getPrettyPrinter();
+        if (LOGGER.isTraceEnabled()) {
+            EnumerateJoinsRule.printPlan(pp, op, "Original Whole plan in JN 1");
+        }
+
+        findJoinConditions();
+        findIfJoinGraphIsConnected();
+
+        if (LOGGER.isTraceEnabled()) {
+            EnumerateJoinsRule.printPlan(pp, op, "Original Whole plan in JN 2");
+        }
+
+        markCompositeJoinPredicates();
+        int lastJnNum = enumerateHigherLevelJoinNodes();
+        JoinNode lastJn = jnArray[lastJnNum];
+        if (LOGGER.isTraceEnabled()) {
+            EnumerateJoinsRule.printPlan(pp, op, "Original Whole plan in JN END");
+            LOGGER.trace(dumpJoinNodes(lastJnNum));
+        }
+
+        // find the cheapest plan
+        int cheapestPlanIndex = lastJn.cheapestPlanIndex;
+        if (LOGGER.isTraceEnabled() && cheapestPlanIndex > 0) {
+            LOGGER.trace("Cheapest Plan is {} number of terms is {} joinNodes {}", cheapestPlanIndex, numberOfTerms,
+                    lastJnNum);
+        }
+
+        return cheapestPlanIndex;
+    }
+
+    private String dumpJoinNodes(int numJoinNodes) {
+        StringBuilder sb = new StringBuilder(128);
+        sb.append(LocalDateTime.now());
+        for (int i = 1; i <= numJoinNodes; i++) {
+            JoinNode jn = jnArray[i];
+            sb.append(jn);
+        }
+        sb.append('\n').append("Printing cost of all Final Plans").append('\n');
+        jnArray[numJoinNodes].printCostOfAllPlans(sb);
+        return sb.toString();
+    }
+
+    public static boolean getForceJoinOrderMode(IOptimizationContext context) {
+        PhysicalOptimizationConfig physOptConfig = context.getPhysicalOptimizationConfig();
+        return physOptConfig.getForceJoinOrderMode();
+    }
+
+    public static String getQueryPlanShape(IOptimizationContext context) {
+        PhysicalOptimizationConfig physOptConfig = context.getPhysicalOptimizationConfig();
+        return physOptConfig.getQueryPlanShapeMode();
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinNode.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinNode.java
new file mode 100644
index 0000000..8752112
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/JoinNode.java
@@ -0,0 +1,899 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+
+import org.apache.asterix.common.annotations.IndexedNLJoinExpressionAnnotation;
+import org.apache.asterix.common.annotations.SkipSecondaryIndexSearchExpressionAnnotation;
+import org.apache.asterix.metadata.entities.Index;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.optimizer.cost.Cost;
+import org.apache.asterix.optimizer.cost.ICost;
+import org.apache.asterix.optimizer.rules.am.AccessMethodAnalysisContext;
+import org.apache.asterix.optimizer.rules.am.IAccessMethod;
+import org.apache.asterix.optimizer.rules.am.IOptimizableFuncExpr;
+import org.apache.asterix.optimizer.rules.am.IntroduceJoinAccessMethodRule;
+import org.apache.asterix.optimizer.rules.am.IntroduceSelectAccessMethodRule;
+import org.apache.commons.lang3.mutable.MutableObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.PredicateCardinalityAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.api.exceptions.ErrorCode;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+import org.apache.hyracks.api.exceptions.Warning;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class JoinNode {
+    private static final Logger LOGGER = LogManager.getLogger();
+
+    protected JoinEnum joinEnum;
+    protected int jnArrayIndex;
+    protected int datasetBits; // this is bitmap of all the keyspaceBits present in this joinNode
+    protected List<Integer> datasetIndexes;
+    protected List<String> datasetNames;
+    protected List<String> aliases;
+    protected int cheapestPlanIndex;
+    protected ICost cheapestPlanCost;
+    protected double origCardinality; // without any selections
+    protected double cardinality;
+    protected double size;
+    protected List<Integer> planIndexesArray; // indexes into the PlanNode array in enumerateJoins
+    protected int jnIndex, level, highestDatasetId;
+    protected JoinNode rightJn, leftJn;
+    protected List<Integer> applicableJoinConditions;
+    protected EmptyTupleSourceOperator correspondingEmptyTupleSourceOp; // There is a 1-1 relationship between the LVs and the dataSourceScanOps and the leafInputs.
+    protected List<Pair<IAccessMethod, Index>> chosenIndexes;
+    protected Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs;
+    protected Index.SampleIndexDetails idxDetails;
+    protected static int NO_JN = -1;
+    protected static int NO_CARDS = -2;
+
+    public JoinNode(int i) {
+        this.jnArrayIndex = i;
+        planIndexesArray = new ArrayList<>();
+        cheapestPlanIndex = PlanNode.NO_PLAN;
+        size = 1; // for now, will be the size of the doc for this joinNode
+    }
+
+    public JoinNode(int i, JoinEnum joinE) {
+        this(i);
+        joinEnum = joinE;
+        cheapestPlanCost = joinEnum.getCostHandle().maxCost();
+    }
+
+    public boolean IsBaseLevelJoinNode() {
+        return this.jnArrayIndex <= joinEnum.numberOfTerms;
+    }
+
+    public boolean IsHigherLevelJoinNode() {
+        return !IsBaseLevelJoinNode();
+    }
+
+    public double computeJoinCardinality() {
+        JoinNode[] jnArray = joinEnum.getJnArray();
+        List<JoinCondition> joinConditions = joinEnum.getJoinConditions();
+
+        this.applicableJoinConditions = new ArrayList<>();
+        findApplicableJoinConditions();
+
+        if (LOGGER.isTraceEnabled() && this.applicableJoinConditions.size() == 0) {
+            LOGGER.trace("applicable Join Conditions size is 0 in join Node " + this.jnArrayIndex);
+        }
+
+        // Wonder if this computation will result in an overflow exception. Better to multiply them with selectivities also.
+        double productJoinCardinality = 1.0;
+        for (int idx : this.datasetIndexes) {
+            productJoinCardinality *= jnArray[idx].cardinality;
+        }
+
+        double productJoinSels = 1.0;
+        for (int idx : this.applicableJoinConditions) {
+            if (!joinConditions.get(idx).partOfComposite) {
+                productJoinSels *= joinConditions.get(idx).selectivity;
+            }
+        }
+        return productJoinCardinality * productJoinSels;
+    }
+
+    public double getCardinality() {
+        return cardinality;
+    }
+
+    public void setCardinality(double card) {
+        cardinality = card;
+    }
+
+    public double getOrigCardinality() {
+        return origCardinality;
+    }
+
+    public void setOrigCardinality(double card) {
+        origCardinality = card;
+    }
+
+    public void setAvgDocSize(double avgDocSize) {
+        size = avgDocSize;
+    }
+
+    public double getInputSize() {
+        return size;
+    }
+
+    public double getOutputSize() {
+        return size; // need to change this to account for projections
+    }
+
+    public JoinNode getLeftJn() {
+        return leftJn;
+    }
+
+    public JoinNode getRightJn() {
+        return rightJn;
+    }
+
+    public List<String> getAliases() {
+        return aliases;
+    }
+
+    public List<String> getDatasetNames() {
+        return datasetNames;
+    }
+
+    public Index.SampleIndexDetails getIdxDetails() {
+        return idxDetails;
+    }
+
+    protected boolean nestedLoopsApplicable(ILogicalExpression joinExpr) throws AlgebricksException {
+
+        List<LogicalVariable> usedVarList = new ArrayList<>();
+        joinExpr.getUsedVariables(usedVarList);
+        if (usedVarList.size() != 2) {
+            return false;
+        }
+
+        if (joinExpr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return false;
+        }
+
+        LogicalVariable var0 = usedVarList.get(0);
+        LogicalVariable var1 = usedVarList.get(1);
+
+        // Find which joinLeafInput these vars belong to.
+        // go thru the leaf inputs and see where these variables came from
+        ILogicalOperator joinLeafInput0 = joinEnum.findLeafInput(Collections.singletonList(var0));
+        if (joinLeafInput0 == null) {
+            return false; // this should not happen unless an assignment is between two joins.
+        }
+
+        ILogicalOperator joinLeafInput1 = joinEnum.findLeafInput(Collections.singletonList(var1));
+        if (joinLeafInput1 == null) {
+            return false;
+        }
+
+        // We need to find out which one of these is the inner joinLeafInput. So for that get the joinLeafInput of this join node.
+        ILogicalOperator innerLeafInput = joinEnum.joinLeafInputsHashMap.get(this.correspondingEmptyTupleSourceOp);
+
+        // This must equal one of the two joinLeafInputsHashMap found above. check for sanity!!
+        if (innerLeafInput != joinLeafInput1 && innerLeafInput != joinLeafInput0) {
+            return false; // This should not happen. So debug to find out why this happened.
+        }
+
+        if (innerLeafInput == joinLeafInput0) {
+            joinEnum.localJoinOp.getInputs().get(0).setValue(joinLeafInput1);
+        } else {
+            joinEnum.localJoinOp.getInputs().get(0).setValue(joinLeafInput0);
+        }
+
+        joinEnum.localJoinOp.getInputs().get(1).setValue(innerLeafInput);
+
+        // We will always use the first join Op to provide the joinOp input for invoking rewritePre
+        AbstractBinaryJoinOperator joinOp = (AbstractBinaryJoinOperator) joinEnum.localJoinOp;
+        joinOp.getCondition().setValue(joinExpr);
+
+        // Now call the rewritePre code
+        IntroduceJoinAccessMethodRule tmp = new IntroduceJoinAccessMethodRule();
+        boolean retVal = tmp.checkApplicable(new MutableObject<>(joinEnum.localJoinOp), joinEnum.optCtx);
+
+        return retVal;
+    }
+
+    /** one is a subset of two */
+    private boolean subset(int one, int two) {
+        return (one & two) == one;
+    }
+
+    protected void findApplicableJoinConditions() {
+        List<JoinCondition> joinConditions = joinEnum.getJoinConditions();
+
+        int i = 0;
+        for (JoinCondition jc : joinConditions) {
+            if (subset(jc.datasetBits, this.datasetBits)) {
+                this.applicableJoinConditions.add(i);
+            }
+            i++;
+        }
+    }
+
+    protected List<Integer> getNewJoinConditionsOnly() {
+        List<Integer> newJoinConditions = new ArrayList<>();
+        JoinNode leftJn = this.leftJn;
+        JoinNode rightJn = this.rightJn;
+        // find the new table being added. This assume only zig zag trees for now.
+        int newTableBits = 0;
+        if (leftJn.jnArrayIndex <= joinEnum.numberOfTerms) {
+            newTableBits = leftJn.datasetBits;
+        } else if (rightJn.jnArrayIndex <= joinEnum.numberOfTerms) {
+            newTableBits = rightJn.datasetBits;
+        }
+
+        if (LOGGER.isTraceEnabled() && newTableBits == 0) {
+            LOGGER.trace("newTable Bits == 0");
+        }
+
+        // All the new join predicates will have these bits turned on
+        for (int idx : this.applicableJoinConditions) {
+            if ((joinEnum.joinConditions.get(idx).datasetBits & newTableBits) > 0) {
+                newJoinConditions.add(idx);
+            }
+        }
+
+        return newJoinConditions; // this can be of size 0 because this may be a cartesian join
+    }
+
+    public int addSingleDatasetPlans() {
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        ICost opCost, totalCost;
+
+        opCost = joinEnum.getCostMethodsHandle().costFullScan(this);
+        totalCost = opCost;
+        if (this.cheapestPlanIndex == PlanNode.NO_PLAN || opCost.costLT(this.cheapestPlanCost)) {
+            // for now just add one plan
+            PlanNode pn = new PlanNode(allPlans.size(), joinEnum);
+            pn.jn = this;
+            pn.datasetName = this.datasetNames.get(0);
+            pn.correspondingEmptyTupleSourceOp = this.correspondingEmptyTupleSourceOp;
+            pn.jnIndexes[0] = this.jnArrayIndex;
+            pn.jnIndexes[1] = JoinNode.NO_JN;
+            pn.planIndexes[0] = PlanNode.NO_PLAN; // There ane no plans below this plan.
+            pn.planIndexes[1] = PlanNode.NO_PLAN; // There ane no plans below this plan.
+            pn.opCost = opCost;
+            pn.scanOp = PlanNode.ScanMethod.TABLE_SCAN;
+            pn.totalCost = totalCost;
+
+            allPlans.add(pn);
+            this.planIndexesArray.add(allPlans.size() - 1);
+            this.cheapestPlanCost = totalCost;
+            this.cheapestPlanIndex = allPlans.size() - 1;
+            return this.cheapestPlanIndex;
+        }
+        return PlanNode.NO_PLAN;
+    }
+
+    protected void buildIndexPlan() {
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        ICost opCost, totalCost;
+
+        opCost = joinEnum.getCostMethodsHandle().costIndexScan(this);
+        totalCost = opCost;
+        if (this.cheapestPlanIndex == PlanNode.NO_PLAN || opCost.costLT(this.cheapestPlanCost)) {
+            // for now just add one plan
+            PlanNode pn = new PlanNode(allPlans.size(), joinEnum);
+            pn.jn = this;
+            pn.datasetName = this.datasetNames.get(0);
+            pn.correspondingEmptyTupleSourceOp = this.correspondingEmptyTupleSourceOp;
+            pn.jnIndexes[0] = this.jnArrayIndex;
+            pn.jnIndexes[1] = JoinNode.NO_JN;
+            pn.planIndexes[0] = PlanNode.NO_PLAN; // There ane no plans below this plan.
+            pn.planIndexes[1] = PlanNode.NO_PLAN; // There ane no plans below this plan.
+            pn.opCost = opCost;
+            pn.scanOp = PlanNode.ScanMethod.INDEX_SCAN;
+            pn.totalCost = totalCost;
+
+            allPlans.add(pn);
+            this.planIndexesArray.add(allPlans.size() - 1);
+            this.cheapestPlanCost = totalCost;
+            this.cheapestPlanIndex = allPlans.size() - 1;
+        }
+    }
+
+    protected void costAndChooseIndexPlans(ILogicalOperator leafInput,
+            Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs) throws AlgebricksException {
+        // Skip indexes with selectivity greater than 0.1, add the SKIP_SECONDARY_INDEX annotation to its expression.
+        double sel;
+        int exprIndex;
+        for (Map.Entry<IAccessMethod, AccessMethodAnalysisContext> amEntry : analyzedAMs.entrySet()) {
+            AccessMethodAnalysisContext analysisCtx = amEntry.getValue();
+            Iterator<Map.Entry<Index, List<Pair<Integer, Integer>>>> indexIt =
+                    analysisCtx.getIteratorForIndexExprsAndVars();
+            List<IOptimizableFuncExpr> exprs = analysisCtx.getMatchedFuncExprs();
+            while (indexIt.hasNext()) {
+                Map.Entry<Index, List<Pair<Integer, Integer>>> indexEntry = indexIt.next();
+                Index chosenIndex = indexEntry.getKey();
+                exprIndex = indexEntry.getValue().get(0).getFirst();
+                IOptimizableFuncExpr expr = exprs.get(exprIndex);
+                AbstractFunctionCallExpression afce = expr.getFuncExpr();
+                PredicateCardinalityAnnotation selectivityAnnotation =
+                        afce.getAnnotation(PredicateCardinalityAnnotation.class);
+                if (selectivityAnnotation != null) {
+                    sel = selectivityAnnotation.getSelectivity();
+                    if (sel >= joinEnum.stats.SELECTIVITY_FOR_SECONDARY_INDEX_SELECTION) {
+                        afce.putAnnotation(SkipSecondaryIndexSearchExpressionAnnotation
+                                .newInstance(Collections.singleton(chosenIndex.getIndexName())));
+                    } else {
+                        buildIndexPlan();
+                    }
+                }
+            }
+        }
+    }
+
+    public void addIndexAccessPlans(ILogicalOperator leafInput) throws AlgebricksException {
+        IntroduceSelectAccessMethodRule tmp = new IntroduceSelectAccessMethodRule();
+        List<Pair<IAccessMethod, Index>> chosenIndexes = new ArrayList<>();
+        Map<IAccessMethod, AccessMethodAnalysisContext> analyzedAMs = new TreeMap<>();
+        boolean index_access_possible =
+                tmp.checkApplicable(new MutableObject<>(leafInput), joinEnum.optCtx, chosenIndexes, analyzedAMs);
+        this.chosenIndexes = chosenIndexes;
+        this.analyzedAMs = analyzedAMs;
+        if (index_access_possible) {
+            costAndChooseIndexPlans(leafInput, analyzedAMs);
+        }
+    }
+
+    protected int buildHashJoinPlan(JoinNode leftJn, JoinNode rightJn, ILogicalExpression hashJoinExpr,
+            HashJoinExpressionAnnotation hintHashJoin) {
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        PlanNode pn;
+        ICost hjCost, leftExchangeCost, rightExchangeCost, childCosts, totalCost;
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+        int leftPlan = leftJn.cheapestPlanIndex;
+        int rightPlan = rightJn.cheapestPlanIndex;
+
+        if (hashJoinExpr == null || hashJoinExpr == ConstantExpression.TRUE) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_LEFTDEEP)
+                && !leftJn.IsBaseLevelJoinNode()) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_RIGHTDEEP)
+                && !rightJn.IsBaseLevelJoinNode()) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (rightJn.cardinality * rightJn.size <= leftJn.cardinality * leftJn.size || hintHashJoin != null
+                || joinEnum.forceJoinOrderMode
+                || !joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_ZIGZAG)) {
+            // We want to build with the smaller side.
+            hjCost = joinEnum.getCostMethodsHandle().costHashJoin(this);
+            leftExchangeCost = joinEnum.getCostMethodsHandle().computeHJProbeExchangeCost(this);
+            rightExchangeCost = joinEnum.getCostMethodsHandle().computeHJBuildExchangeCost(this);
+            childCosts = allPlans.get(leftPlan).totalCost.costAdd(allPlans.get(rightPlan).totalCost);
+            totalCost = hjCost.costAdd(leftExchangeCost).costAdd(rightExchangeCost).costAdd(childCosts);
+            if (this.cheapestPlanIndex == PlanNode.NO_PLAN || totalCost.costLT(this.cheapestPlanCost)) {
+                pn = new PlanNode(allPlans.size(), joinEnum);
+                pn.jn = this;
+                pn.jnIndexes[0] = leftJn.jnArrayIndex;
+                pn.jnIndexes[1] = rightJn.jnArrayIndex;
+                pn.planIndexes[0] = leftPlan;
+                pn.planIndexes[1] = rightPlan;
+                pn.joinOp = PlanNode.JoinMethod.HYBRID_HASH_JOIN; // need to check that all the conditions have equality predicates ONLY.
+                if (hintHashJoin != null) {
+                    hintHashJoin.setBuildSide(HashJoinExpressionAnnotation.BuildSide.RIGHT);
+                }
+                pn.side = HashJoinExpressionAnnotation.BuildSide.RIGHT;
+                pn.joinExpr = hashJoinExpr;
+                pn.opCost = hjCost;
+                pn.totalCost = totalCost;
+                pn.leftExchangeCost = leftExchangeCost;
+                pn.rightExchangeCost = rightExchangeCost;
+                allPlans.add(pn);
+                this.planIndexesArray.add(allPlans.size() - 1);
+                this.cheapestPlanCost = totalCost;
+                this.cheapestPlanIndex = allPlans.size() - 1;
+                return this.cheapestPlanIndex;
+            }
+        }
+
+        return PlanNode.NO_PLAN;
+    }
+
+    protected int buildBroadcastHashJoinPlan(JoinNode leftJn, JoinNode rightJn, ILogicalExpression hashJoinExpr,
+            BroadcastExpressionAnnotation hintBroadcastHashJoin) {
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        PlanNode pn;
+        ICost bcastHjCost, leftExchangeCost, rightExchangeCost, childCosts, totalCost;
+
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+        int leftPlan = leftJn.cheapestPlanIndex;
+        int rightPlan = rightJn.cheapestPlanIndex;
+
+        if (hashJoinExpr == null || hashJoinExpr == ConstantExpression.TRUE) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_LEFTDEEP)
+                && !leftJn.IsBaseLevelJoinNode()) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_RIGHTDEEP)
+                && !rightJn.IsBaseLevelJoinNode()) {
+            return PlanNode.NO_PLAN;
+        }
+
+        if (rightJn.cardinality * rightJn.size <= leftJn.cardinality * leftJn.size || hintBroadcastHashJoin != null
+                || joinEnum.forceJoinOrderMode
+                || !joinEnum.queryPlanShape.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_ZIGZAG)) {
+            // We want to broadcast and build with the smaller side.
+            bcastHjCost = joinEnum.getCostMethodsHandle().costBroadcastHashJoin(this);
+            leftExchangeCost = joinEnum.getCostHandle().zeroCost();
+            rightExchangeCost = joinEnum.getCostMethodsHandle().computeBHJBuildExchangeCost(this);
+            childCosts = allPlans.get(leftPlan).totalCost.costAdd(allPlans.get(rightPlan).totalCost);
+            totalCost = bcastHjCost.costAdd(rightExchangeCost).costAdd(childCosts);
+            if (this.cheapestPlanIndex == PlanNode.NO_PLAN || totalCost.costLT(this.cheapestPlanCost)) {
+                pn = new PlanNode(allPlans.size(), joinEnum);
+                pn.jn = this;
+                pn.jnIndexes[0] = leftJn.jnArrayIndex;
+                pn.jnIndexes[1] = rightJn.jnArrayIndex;
+                pn.planIndexes[0] = leftPlan;
+                pn.planIndexes[1] = rightPlan;
+                pn.joinOp = PlanNode.JoinMethod.BROADCAST_HASH_JOIN; // need to check that all the conditions have equality predicates ONLY.
+                if (hintBroadcastHashJoin != null) {
+                    hintBroadcastHashJoin.setBroadcastSide(BroadcastExpressionAnnotation.BroadcastSide.RIGHT);
+                }
+                pn.side = HashJoinExpressionAnnotation.BuildSide.RIGHT;
+                pn.joinExpr = hashJoinExpr;
+                pn.opCost = bcastHjCost;
+                pn.totalCost = totalCost;
+                pn.leftExchangeCost = leftExchangeCost;
+                pn.rightExchangeCost = rightExchangeCost;
+
+                allPlans.add(pn);
+                this.planIndexesArray.add(allPlans.size() - 1);
+                this.cheapestPlanCost = totalCost;
+                this.cheapestPlanIndex = allPlans.size() - 1;
+                return this.cheapestPlanIndex;
+            }
+        }
+
+        return PlanNode.NO_PLAN;
+    }
+
+    protected int buildNLJoinPlan(JoinNode leftJn, JoinNode rightJn, ILogicalExpression nestedLoopJoinExpr)
+            throws AlgebricksException {
+        // Build a nested loops plan, first check if it is possible
+        // left right order must be preserved and right side should be a single data set
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        int numberOfTerms = joinEnum.numberOfTerms;
+        PlanNode pn;
+        ICost nljCost, leftExchangeCost, rightExchangeCost, childCosts, totalCost;
+
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+        int leftPlan = leftJn.cheapestPlanIndex;
+        int rightPlan = rightJn.cheapestPlanIndex;
+        if (rightJn.jnArrayIndex > numberOfTerms) {
+            // right side consists of more than one table
+            return PlanNode.NO_PLAN; // nested loop plan not possible.
+        }
+
+        if (nestedLoopJoinExpr == null || !rightJn.nestedLoopsApplicable(nestedLoopJoinExpr)) {
+            return PlanNode.NO_PLAN;
+        }
+
+        nljCost = joinEnum.getCostMethodsHandle().costIndexNLJoin(this);
+        leftExchangeCost = joinEnum.getCostMethodsHandle().computeNLJOuterExchangeCost(this);
+        rightExchangeCost = joinEnum.getCostHandle().zeroCost();
+        childCosts = allPlans.get(leftPlan).totalCost;
+        totalCost = nljCost.costAdd(leftExchangeCost).costAdd(childCosts);
+        if (this.cheapestPlanIndex == PlanNode.NO_PLAN || totalCost.costLT(this.cheapestPlanCost)) {
+            pn = new PlanNode(allPlans.size(), joinEnum);
+            pn.jn = this;
+            pn.jnIndexes[0] = leftJn.jnArrayIndex;
+            pn.jnIndexes[1] = rightJn.jnArrayIndex;
+            pn.planIndexes[0] = leftPlan;
+            pn.planIndexes[1] = rightPlan;
+            pn.joinOp = PlanNode.JoinMethod.INDEX_NESTED_LOOP_JOIN;
+            pn.joinExpr = nestedLoopJoinExpr; // save it so can be used to add the NESTED annotation in getNewTree.
+            pn.opCost = nljCost;
+            pn.totalCost = totalCost;
+            pn.leftExchangeCost = leftExchangeCost;
+            pn.rightExchangeCost = rightExchangeCost;
+
+            allPlans.add(pn);
+            this.planIndexesArray.add(allPlans.size() - 1);
+            this.cheapestPlanCost = totalCost;
+            this.cheapestPlanIndex = allPlans.size() - 1;
+            return allPlans.size() - 1;
+        }
+        return PlanNode.NO_PLAN;
+    }
+
+    protected int buildCPJoinPlan(JoinNode leftJn, JoinNode rightJn, ILogicalExpression hashJoinExpr,
+            ILogicalExpression nestedLoopJoinExpr) {
+        // Now build a cartesian product nested loops plan
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        PlanNode pn;
+        ICost cpCost, leftExchangeCost, rightExchangeCost, childCosts, totalCost;
+
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+        int leftPlan = leftJn.cheapestPlanIndex;
+        int rightPlan = rightJn.cheapestPlanIndex;
+
+        ILogicalExpression cpJoinExpr = null;
+        List<Integer> newJoinConditions = this.getNewJoinConditionsOnly();
+        if (hashJoinExpr == null && nestedLoopJoinExpr == null) {
+            cpJoinExpr = joinEnum.combineAllConditions(newJoinConditions);
+        } else if (hashJoinExpr != null && nestedLoopJoinExpr == null) {
+            cpJoinExpr = hashJoinExpr;
+        } else if (hashJoinExpr == null) {
+            cpJoinExpr = nestedLoopJoinExpr;
+        } else if (Objects.equals(hashJoinExpr, nestedLoopJoinExpr)) {
+            cpJoinExpr = hashJoinExpr;
+        } else {
+            ScalarFunctionCallExpression andExpr = new ScalarFunctionCallExpression(
+                    BuiltinFunctions.getBuiltinFunctionInfo(AlgebricksBuiltinFunctions.AND));
+            andExpr.getArguments().add(new MutableObject<>(hashJoinExpr));
+            andExpr.getArguments().add(new MutableObject<>(nestedLoopJoinExpr));
+            cpJoinExpr = andExpr;
+        }
+
+        cpCost = joinEnum.getCostMethodsHandle().costCartesianProductJoin(this);
+        leftExchangeCost = joinEnum.getCostHandle().zeroCost();
+        rightExchangeCost = joinEnum.getCostMethodsHandle().computeCPRightExchangeCost(this);
+        childCosts = allPlans.get(leftPlan).totalCost.costAdd(allPlans.get(rightPlan).totalCost);
+        totalCost = cpCost.costAdd(rightExchangeCost).costAdd(childCosts);
+        if (this.cheapestPlanIndex == PlanNode.NO_PLAN || totalCost.costLT(this.cheapestPlanCost)) {
+            pn = new PlanNode(allPlans.size(), joinEnum);
+            pn.jn = this;
+            pn.jnIndexes[0] = leftJn.jnArrayIndex;
+            pn.jnIndexes[1] = rightJn.jnArrayIndex;
+            pn.planIndexes[0] = leftPlan;
+            pn.planIndexes[1] = rightPlan;
+            pn.joinOp = PlanNode.JoinMethod.CARTESIAN_PRODUCT_JOIN;
+            pn.joinExpr = Objects.requireNonNullElse(cpJoinExpr, ConstantExpression.TRUE);
+            pn.opCost = cpCost;
+            pn.totalCost = totalCost;
+            pn.leftExchangeCost = leftExchangeCost;
+            pn.rightExchangeCost = rightExchangeCost;
+
+            allPlans.add(pn);
+            this.planIndexesArray.add(allPlans.size() - 1);
+            this.cheapestPlanCost = totalCost;
+            this.cheapestPlanIndex = allPlans.size() - 1;
+            return allPlans.size() - 1;
+        }
+        return PlanNode.NO_PLAN;
+    }
+
+    protected Pair<Integer, ICost> addMultiDatasetPlans(JoinNode leftJn, JoinNode rightJn) throws AlgebricksException {
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+        ICost noJoinCost = joinEnum.getCostHandle().maxCost();
+
+        if (leftJn.planIndexesArray.size() == 0 || rightJn.planIndexesArray.size() == 0) {
+            return new Pair<>(PlanNode.NO_PLAN, noJoinCost);
+        }
+
+        if (this.cardinality >= Cost.MAX_CARD) {
+            return new Pair<>(PlanNode.NO_PLAN, noJoinCost); // no card hint available, so do not add this plan
+        }
+
+        List<Integer> newJoinConditions = this.getNewJoinConditionsOnly(); // these will be a subset of applicable join conditions.
+        ILogicalExpression hashJoinExpr = joinEnum.getHashJoinExpr(newJoinConditions);
+        ILogicalExpression nestedLoopJoinExpr = joinEnum.getNestedLoopJoinExpr(newJoinConditions);
+
+        if ((newJoinConditions.size() == 0) && joinEnum.connectedJoinGraph) {
+            // at least one plan must be there at each level as the graph is fully connected.
+            if (leftJn.cardinality * rightJn.cardinality > 10000.0) {
+                return new Pair<>(PlanNode.NO_PLAN, noJoinCost);
+            }
+        }
+
+        double current_card = this.cardinality;
+        if (current_card >= Cost.MAX_CARD) {
+            return new Pair<>(PlanNode.NO_PLAN, noJoinCost); // no card hint available, so do not add this plan
+        }
+
+        int hjPlan, commutativeHjPlan, bcastHjPlan, commutativeBcastHjPlan, nljPlan, commutativeNljPlan, cpPlan,
+                commutativeCpPlan;
+        hjPlan = commutativeHjPlan = bcastHjPlan =
+                commutativeBcastHjPlan = nljPlan = commutativeNljPlan = cpPlan = commutativeCpPlan = PlanNode.NO_PLAN;
+
+        HashJoinExpressionAnnotation hintHashJoin = joinEnum.findHashJoinHint(newJoinConditions);
+        BroadcastExpressionAnnotation hintBroadcastHashJoin = joinEnum.findBroadcastHashJoinHint(newJoinConditions);;
+        IndexedNLJoinExpressionAnnotation hintNLJoin = joinEnum.findNLJoinHint(newJoinConditions);
+
+        if (leftJn.cheapestPlanIndex == PlanNode.NO_PLAN || rightJn.cheapestPlanIndex == PlanNode.NO_PLAN) {
+            return new Pair<>(PlanNode.NO_PLAN, noJoinCost);
+        }
+
+        if (hintHashJoin != null) {
+            boolean build = (hintHashJoin.getBuildOrProbe() == HashJoinExpressionAnnotation.BuildOrProbe.BUILD);
+            boolean probe = (hintHashJoin.getBuildOrProbe() == HashJoinExpressionAnnotation.BuildOrProbe.PROBE);
+            boolean validBuildOrProbeObject = false;
+            String buildOrProbeObject = hintHashJoin.getName();
+            if (buildOrProbeObject != null && (rightJn.datasetNames.contains(buildOrProbeObject)
+                    || rightJn.aliases.contains(buildOrProbeObject) || leftJn.datasetNames.contains(buildOrProbeObject)
+                    || leftJn.aliases.contains(buildOrProbeObject))) {
+                validBuildOrProbeObject = true;
+            }
+            if (validBuildOrProbeObject) {
+                if ((build && (rightJn.datasetNames.contains(buildOrProbeObject)
+                        || rightJn.aliases.contains(buildOrProbeObject)))
+                        || (probe && (leftJn.datasetNames.contains(buildOrProbeObject)
+                                || leftJn.aliases.contains(buildOrProbeObject)))) {
+                    hjPlan = buildHashJoinPlan(leftJn, rightJn, hashJoinExpr, hintHashJoin);
+                } else if ((build && (leftJn.datasetNames.contains(buildOrProbeObject)
+                        || leftJn.aliases.contains(buildOrProbeObject)))
+                        || (probe && (rightJn.datasetNames.contains(buildOrProbeObject)
+                                || rightJn.aliases.contains(buildOrProbeObject)))) {
+                    commutativeHjPlan = buildHashJoinPlan(rightJn, leftJn, hashJoinExpr, hintHashJoin);
+                }
+            } else {
+                // Hints are attached to predicates, so newJoinConditions should not be empty, but adding the check to be safe.
+                if (!joinEnum.getJoinConditions().isEmpty() && !newJoinConditions.isEmpty()) {
+                    IWarningCollector warningCollector = joinEnum.optCtx.getWarningCollector();
+                    if (warningCollector.shouldWarn()) {
+                        warningCollector.warn(Warning.of(
+                                joinEnum.getJoinConditions().get(newJoinConditions.get(0)).joinCondition
+                                        .getSourceLocation(),
+                                ErrorCode.INAPPLICABLE_HINT, "hash join",
+                                (build ? "build " : "probe ") + "with " + buildOrProbeObject));
+                    }
+                }
+                hjPlan = buildHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeHjPlan = buildHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeBcastHjPlan = buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                nljPlan = buildNLJoinPlan(leftJn, rightJn, nestedLoopJoinExpr);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeNljPlan = buildNLJoinPlan(rightJn, leftJn, nestedLoopJoinExpr);
+                }
+                cpPlan = buildCPJoinPlan(leftJn, rightJn, hashJoinExpr, nestedLoopJoinExpr);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeCpPlan = buildCPJoinPlan(rightJn, leftJn, hashJoinExpr, nestedLoopJoinExpr);
+                }
+            }
+        } else if (hintBroadcastHashJoin != null) {
+            boolean validBroadcastObject = false;
+            String broadcastObject = hintBroadcastHashJoin.getName();
+            if (broadcastObject != null && (rightJn.datasetNames.contains(broadcastObject)
+                    || rightJn.aliases.contains(broadcastObject) || leftJn.datasetNames.contains(broadcastObject)
+                    || leftJn.aliases.contains(broadcastObject))) {
+                validBroadcastObject = true;
+            }
+            if (validBroadcastObject) {
+                if (rightJn.datasetNames.contains(broadcastObject) || rightJn.aliases.contains(broadcastObject)) {
+                    bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, hintBroadcastHashJoin);
+                } else if (leftJn.datasetNames.contains(broadcastObject) || leftJn.aliases.contains(broadcastObject)) {
+                    commutativeBcastHjPlan =
+                            buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, hintBroadcastHashJoin);
+                }
+            } else if (broadcastObject == null) {
+                bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, hintBroadcastHashJoin);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeBcastHjPlan =
+                            buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, hintBroadcastHashJoin);
+                }
+            } else {
+                // Hints are attached to predicates, so newJoinConditions should not be empty, but adding the check to be safe.
+                if (!joinEnum.getJoinConditions().isEmpty() && !newJoinConditions.isEmpty()) {
+                    IWarningCollector warningCollector = joinEnum.optCtx.getWarningCollector();
+                    if (warningCollector.shouldWarn()) {
+                        warningCollector.warn(Warning.of(
+                                joinEnum.getJoinConditions().get(newJoinConditions.get(0)).joinCondition
+                                        .getSourceLocation(),
+                                ErrorCode.INAPPLICABLE_HINT, "broadcast hash join", "broadcast " + broadcastObject));
+                    }
+                }
+
+                hjPlan = buildHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeHjPlan = buildHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeBcastHjPlan = buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                nljPlan = buildNLJoinPlan(leftJn, rightJn, nestedLoopJoinExpr);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeNljPlan = buildNLJoinPlan(rightJn, leftJn, nestedLoopJoinExpr);
+                }
+                cpPlan = buildCPJoinPlan(leftJn, rightJn, hashJoinExpr, nestedLoopJoinExpr);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeCpPlan = buildCPJoinPlan(rightJn, leftJn, hashJoinExpr, nestedLoopJoinExpr);
+                }
+            }
+        } else if (hintNLJoin != null) {
+            nljPlan = buildNLJoinPlan(leftJn, rightJn, nestedLoopJoinExpr);
+            if (!joinEnum.forceJoinOrderMode) {
+                commutativeNljPlan = buildNLJoinPlan(rightJn, leftJn, nestedLoopJoinExpr);
+            }
+            if (nljPlan == PlanNode.NO_PLAN && commutativeNljPlan == PlanNode.NO_PLAN) {
+                // Hints are attached to predicates, so newJoinConditions should not be empty, but adding the check to be safe.
+                if (!joinEnum.getJoinConditions().isEmpty() && !newJoinConditions.isEmpty()) {
+                    IWarningCollector warningCollector = joinEnum.optCtx.getWarningCollector();
+                    if (warningCollector.shouldWarn()) {
+                        warningCollector.warn(Warning.of(
+                                joinEnum.getJoinConditions().get(newJoinConditions.get(0)).joinCondition
+                                        .getSourceLocation(),
+                                ErrorCode.INAPPLICABLE_HINT, "index nested loop join", "ignored"));
+                    }
+                }
+                hjPlan = buildHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeHjPlan = buildHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeBcastHjPlan = buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+                }
+                cpPlan = buildCPJoinPlan(leftJn, rightJn, hashJoinExpr, nestedLoopJoinExpr);
+                if (!joinEnum.forceJoinOrderMode) {
+                    commutativeCpPlan = buildCPJoinPlan(rightJn, leftJn, hashJoinExpr, nestedLoopJoinExpr);
+                }
+            }
+        } else {
+            hjPlan = buildHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+            if (!joinEnum.forceJoinOrderMode) {
+                commutativeHjPlan = buildHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+            }
+            bcastHjPlan = buildBroadcastHashJoinPlan(leftJn, rightJn, hashJoinExpr, null);
+            if (!joinEnum.forceJoinOrderMode) {
+                commutativeBcastHjPlan = buildBroadcastHashJoinPlan(rightJn, leftJn, hashJoinExpr, null);
+            }
+            nljPlan = buildNLJoinPlan(leftJn, rightJn, nestedLoopJoinExpr);
+            if (!joinEnum.forceJoinOrderMode) {
+                commutativeNljPlan = buildNLJoinPlan(rightJn, leftJn, nestedLoopJoinExpr);
+            }
+            cpPlan = buildCPJoinPlan(leftJn, rightJn, hashJoinExpr, nestedLoopJoinExpr);
+            if (!joinEnum.forceJoinOrderMode) {
+                commutativeCpPlan = buildCPJoinPlan(rightJn, leftJn, hashJoinExpr, nestedLoopJoinExpr);
+            }
+        }
+
+        if (hjPlan == PlanNode.NO_PLAN && commutativeHjPlan == PlanNode.NO_PLAN && bcastHjPlan == PlanNode.NO_PLAN
+                && commutativeBcastHjPlan == PlanNode.NO_PLAN && nljPlan == PlanNode.NO_PLAN
+                && commutativeNljPlan == PlanNode.NO_PLAN && cpPlan == PlanNode.NO_PLAN
+                && commutativeCpPlan == PlanNode.NO_PLAN) {
+            return new Pair<>(PlanNode.NO_PLAN, noJoinCost);
+        }
+
+        //Reset as these might have changed when we tried the commutative joins.
+        this.leftJn = leftJn;
+        this.rightJn = rightJn;
+
+        return new Pair<>(this.cheapestPlanIndex, this.cheapestPlanCost);
+    }
+
+    @Override
+    public String toString() {
+        if (planIndexesArray.isEmpty()) {
+            return "";
+        }
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        StringBuilder sb = new StringBuilder(128);
+        // This will avoid printing JoinNodes that have no plans
+        sb.append("Printing Join Node ").append(jnArrayIndex).append('\n');
+        sb.append("datasetNames ").append('\n');
+        for (String datasetName : datasetNames) {
+            // Need to not print newline
+            sb.append(datasetName).append(' ');
+        }
+        sb.append("datasetIndex ").append('\n');
+        for (int j = 0; j < datasetIndexes.size(); j++) {
+            sb.append(j).append(datasetIndexes.get(j)).append('\n');
+        }
+        sb.append("datasetBits is ").append(datasetBits).append('\n');
+        if (IsBaseLevelJoinNode()) {
+            sb.append("orig cardinality is ").append((double) Math.round(origCardinality * 100) / 100).append('\n');
+        }
+        sb.append("cardinality is ").append((double) Math.round(cardinality * 100) / 100).append('\n');
+        if (planIndexesArray.size() == 0) {
+            sb.append("No plans considered for this join node").append('\n');
+        }
+        for (int j = 0; j < planIndexesArray.size(); j++) {
+            int k = planIndexesArray.get(j);
+            PlanNode pn = allPlans.get(k);
+            sb.append("planIndexesArray  [").append(j).append("] is ").append(k).append('\n');
+            sb.append("Printing PlanNode ").append(k).append('\n');;
+            if (IsBaseLevelJoinNode()) {
+                sb.append("DATA_SOURCE_SCAN").append('\n');
+            } else {
+                sb.append("\n");
+                sb.append(pn.joinMethod().getFirst()).append('\n');
+                sb.append("Printing Join expr ").append('\n');
+                if (pn.joinExpr != null) {
+                    sb.append(pn.joinExpr).append('\n');
+                } else {
+                    sb.append("null").append('\n');
+                }
+            }
+            sb.append("card ").append((double) Math.round(cardinality * 100) / 100).append('\n');
+            sb.append("------------------").append('\n');
+            sb.append("operator cost ").append(pn.opCost.computeTotalCost()).append('\n');
+            sb.append("total cost ").append(pn.totalCost.computeTotalCost()).append('\n');
+            sb.append("jnIndexes ").append(pn.jnIndexes[0]).append(" ").append(pn.jnIndexes[1]).append('\n');
+            if (IsHigherLevelJoinNode()) {
+                PlanNode leftPlan = pn.getLeftPlanNode();
+                PlanNode rightPlan = pn.getRightPlanNode();
+                int l = leftPlan.allPlansIndex;
+                int r = rightPlan.allPlansIndex;
+                sb.append("planIndexes ").append(l).append(" ").append(r).append('\n');
+                sb.append("(lcost = ").append(leftPlan.totalCost.computeTotalCost()).append(") (rcost = ")
+                        .append(rightPlan.totalCost.computeTotalCost()).append(")").append('\n');
+            }
+            sb.append("\n");
+        }
+        sb.append("jnIndex ").append(jnIndex).append('\n');
+        sb.append("datasetBits ").append(datasetBits).append('\n');
+        sb.append("cardinality ").append((double) Math.round(cardinality * 100) / 100).append('\n');
+        sb.append("size ").append((double) Math.round(size * 100) / 100).append('\n');
+        sb.append("level ").append(level).append('\n');
+        sb.append("highestDatasetId ").append(highestDatasetId).append('\n');
+        sb.append("--------------------------------------").append('\n');
+        return sb.toString();
+    }
+
+    public void printCostOfAllPlans(StringBuilder sb) {
+        List<PlanNode> allPlans = joinEnum.allPlans;
+        ICost minCost = joinEnum.getCostHandle().maxCost();
+        for (int planIndex : planIndexesArray) {
+            ICost planCost = allPlans.get(planIndex).totalCost;
+            sb.append("plan ").append(planIndex).append(" cost is ").append(planCost.computeTotalCost()).append('\n');
+            if (planCost.costLT(minCost)) {
+                minCost = planCost;
+            }
+        }
+        sb.append("LOWEST COST ").append(minCost.computeTotalCost()).append('\n');
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/PlanNode.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/PlanNode.java
new file mode 100644
index 0000000..a7b1760
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/PlanNode.java
@@ -0,0 +1,180 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import org.apache.asterix.optimizer.cost.ICost;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+
+public class PlanNode {
+
+    public static int NO_PLAN = -1;
+
+    private final JoinEnum joinEnum;
+    int allPlansIndex;
+    int[] planIndexes;
+    int[] jnIndexes;
+    JoinNode jn;
+    String datasetName;
+    ICost opCost;
+    ICost totalCost;
+    ICost leftExchangeCost;
+    ICost rightExchangeCost;
+    JoinMethod joinOp;
+    // Used to indicate which side to build for HJ and which side to broadcast for BHJ.
+    HashJoinExpressionAnnotation.BuildSide side;
+    ScanMethod scanOp;
+    ILogicalExpression joinExpr;
+    DataSourceScanOperator correspondingDataSourceScanOp;
+    EmptyTupleSourceOperator correspondingEmptyTupleSourceOp;
+
+    public enum ScanMethod {
+        INDEX_SCAN,
+        TABLE_SCAN
+    }
+
+    public enum JoinMethod {
+        HYBRID_HASH_JOIN,
+        BROADCAST_HASH_JOIN,
+        INDEX_NESTED_LOOP_JOIN,
+        CARTESIAN_PRODUCT_JOIN
+    }
+
+    public PlanNode(int planIndex, JoinEnum joinE) {
+        this.allPlansIndex = planIndex;
+        joinEnum = joinE;
+        planIndexes = new int[2]; // 0 is for left, 1 is for right
+        jnIndexes = new int[2]; // join node index(es)
+    }
+
+    public int getIndex() {
+        return allPlansIndex;
+    }
+
+    public int[] getPlanIndexes() {
+        return planIndexes;
+    }
+
+    public int getLeftPlanIndex() {
+        return planIndexes[0];
+    }
+
+    public PlanNode getLeftPlanNode() {
+        if (planIndexes[0] == NO_PLAN) {
+            return null;
+        }
+        return joinEnum.allPlans.get(planIndexes[0]);
+    }
+
+    public PlanNode getRightPlanNode() {
+        if (planIndexes[1] == NO_PLAN) {
+            return null;
+        }
+        return joinEnum.allPlans.get(planIndexes[1]);
+    }
+
+    public JoinNode getJoinNode() {
+        return jn;
+    }
+
+    public int getRightPlanIndex() {
+        return planIndexes[1];
+    }
+
+    public int getLeftJoinIndex() {
+        return jnIndexes[0];
+    }
+
+    public int getRightJoinIndex() {
+        return jnIndexes[1];
+    }
+
+    public boolean IsScanNode() {
+        return getLeftPlanIndex() == NO_PLAN && getRightPlanIndex() == NO_PLAN;
+    }
+
+    public boolean IsJoinNode() {
+        return getLeftPlanIndex() != NO_PLAN && getRightPlanIndex() != NO_PLAN;
+    }
+
+    public Pair<String, String> joinMethod() {
+        if (this.joinOp == PlanNode.JoinMethod.HYBRID_HASH_JOIN) {
+            return new Pair<>("HASH JOIN", "HJ");
+        } else if (this.joinOp == PlanNode.JoinMethod.BROADCAST_HASH_JOIN) {
+            return new Pair<>("BROADCAST HASH JOIN", "BHJ");
+        } else if (this.joinOp == PlanNode.JoinMethod.INDEX_NESTED_LOOP_JOIN) {
+            return new Pair<>("INDEX NESTED LOOPS JOIN", "INLJ");
+        } else if (this.joinOp == PlanNode.JoinMethod.CARTESIAN_PRODUCT_JOIN) {
+            return new Pair<>("CARTESIAN PRODUCT JOIN", "CPJ");
+        }
+        return new Pair<>("", "");
+    }
+
+    public String getDatasetName() {
+        return datasetName;
+    }
+
+    public DataSourceScanOperator getDataSourceScanOp() {
+        return correspondingDataSourceScanOp; // This applies only to singleDataSetPlans
+    }
+
+    public EmptyTupleSourceOperator getEmptyTupleSourceOp() {
+        return correspondingEmptyTupleSourceOp; // This applies only to singleDataSetPlans
+    }
+
+    public ICost getOpCost() {
+        return opCost;
+    }
+
+    public double computeOpCost() {
+        return opCost.computeTotalCost();
+    }
+
+    public ICost getTotalCost() {
+        return totalCost;
+    }
+
+    public ICost getLeftExchangeCost() {
+        return leftExchangeCost;
+    }
+
+    public ICost getRightExchangeCost() {
+        return rightExchangeCost;
+    }
+
+    public double computeTotalCost() {
+        return totalCost.computeTotalCost();
+    }
+
+    public ScanMethod getScanOp() {
+        return scanOp;
+    }
+
+    public JoinMethod getJoinOp() {
+        return joinOp;
+    }
+
+    public ILogicalExpression getJoinExpr() {
+        return joinExpr;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/Stats.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/Stats.java
new file mode 100644
index 0000000..96bc412
--- /dev/null
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/cbo/Stats.java
@@ -0,0 +1,218 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.optimizer.rules.cbo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.metadata.declared.DataSource;
+import org.apache.asterix.metadata.declared.DataSourceId;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.Index;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.JoinProductivityAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.PredicateCardinalityAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+
+public class Stats {
+
+    public double SELECTIVITY_FOR_SECONDARY_INDEX_SELECTION = 0.1;
+
+    protected IOptimizationContext optCtx;
+    protected JoinEnum joinEnum;
+
+    public Stats(IOptimizationContext context, JoinEnum joinE) {
+        optCtx = context;
+        joinEnum = joinE;
+    }
+
+    public DataverseName findDataverseName(DataSourceScanOperator scanOp) {
+        if (scanOp == null) {
+            // this should rarely happen (IN lists may cause this)
+            return null;
+        }
+        DataSourceId dsid = (DataSourceId) scanOp.getDataSource().getId();
+        return dsid.getDataverseName();
+    }
+
+    public Index findSampleIndex(DataSourceScanOperator scanOp, IOptimizationContext context)
+            throws AlgebricksException {
+        DataverseName dataverseName = findDataverseName(scanOp);
+        DataSource ds = (DataSource) scanOp.getDataSource();
+        DataSourceId dsid = ds.getId();
+        MetadataProvider mdp = (MetadataProvider) context.getMetadataProvider();
+        return mdp.findSampleIndex(dataverseName, dsid.getDatasourceName());
+    }
+
+    private double findJoinSelectivity(JoinProductivityAnnotation anno, AbstractFunctionCallExpression joinExpr)
+            throws AlgebricksException {
+        List<LogicalVariable> exprUsedVars = new ArrayList<>();
+        joinExpr.getUsedVariables(exprUsedVars);
+        if (exprUsedVars.size() != 2) {
+            // Since there is a left and right dataset here, expecting only two variables.
+            return 1.0;
+        }
+        int idx1 = joinEnum.findJoinNodeIndex(exprUsedVars.get(0)) + 1;
+        int idx2 = joinEnum.findJoinNodeIndex(exprUsedVars.get(1)) + 1;
+        double card1 = joinEnum.getJnArray()[idx1].origCardinality;
+        double card2 = joinEnum.getJnArray()[idx2].origCardinality;
+        if (card1 == 0.0 || card2 == 0.0) // should not happen
+        {
+            return 1.0;
+        }
+
+        // join sel  = leftside * productivity/(card1 * card2);
+        if (anno != null) {
+            int leftIndex = joinEnum.findJoinNodeIndexByName(anno.getLeftSideDataSet());
+            if (leftIndex != idx1 && leftIndex != idx2) {
+                // should not happen
+                return 1.0;
+            }
+            if (leftIndex == idx1) {
+                return anno.getJoinProductivity() / card2;
+            } else {
+                return anno.getJoinProductivity() / card1;
+            }
+        } else {
+            if (card1 < card2) {
+                // we are assuming that the smaller side is the primary side and that the join is Pk-Fk join.
+                return 1.0 / card1;
+            }
+            return 1.0 / card2;
+        }
+    }
+
+    // The expression we get may not be a base condition. It could be comprised of ors and ands and nots. So have to
+    //recursively find the overall selectivity.
+    protected double getSelectivityFromAnnotation(AbstractFunctionCallExpression afcExpr, boolean join)
+            throws AlgebricksException {
+        double sel = 1.0;
+
+        if (afcExpr.getFunctionIdentifier().equals(AlgebricksBuiltinFunctions.OR)) {
+            double orSel = getSelectivityFromAnnotation(
+                    (AbstractFunctionCallExpression) afcExpr.getArguments().get(0).getValue(), join);
+            for (int i = 1; i < afcExpr.getArguments().size(); i++) {
+                ILogicalExpression lexpr = afcExpr.getArguments().get(i).getValue();
+                if (lexpr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                    sel = getSelectivityFromAnnotation(
+                            (AbstractFunctionCallExpression) afcExpr.getArguments().get(i).getValue(), join);
+                    orSel = orSel + sel - orSel * sel;
+                }
+            }
+            return orSel;
+        } else if (afcExpr.getFunctionIdentifier().equals(AlgebricksBuiltinFunctions.AND)) {
+            double andSel = 1.0;
+            for (int i = 0; i < afcExpr.getArguments().size(); i++) {
+                ILogicalExpression lexpr = afcExpr.getArguments().get(i).getValue();
+                if (lexpr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                    sel = getSelectivityFromAnnotation(
+                            (AbstractFunctionCallExpression) afcExpr.getArguments().get(i).getValue(), join);
+                    andSel *= sel;
+                }
+            }
+            return andSel;
+        } else if (afcExpr.getFunctionIdentifier().equals(AlgebricksBuiltinFunctions.NOT)) {
+            ILogicalExpression lexpr = afcExpr.getArguments().get(0).getValue();
+            if (lexpr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+                sel = getSelectivityFromAnnotation(
+                        (AbstractFunctionCallExpression) afcExpr.getArguments().get(0).getValue(), join);
+                return 1.0 - sel;
+            }
+        }
+
+        double s = 1.0;
+        PredicateCardinalityAnnotation pca = afcExpr.getAnnotation(PredicateCardinalityAnnotation.class);
+        if (pca != null) {
+            s = pca.getSelectivity();
+            sel *= s;
+        } else {
+            JoinProductivityAnnotation jpa = afcExpr.getAnnotation(JoinProductivityAnnotation.class);
+            s = findJoinSelectivity(jpa, afcExpr);
+            sel *= s;
+        }
+        if (join && s == 1.0) {
+            // assume no selectivity was assigned
+            joinEnum.singleDatasetPreds.add(afcExpr);
+        }
+        return sel;
+    }
+
+    public double getSelectivityFromAnnotationMain(ILogicalExpression leExpr, boolean join) throws AlgebricksException {
+        double sel = 1.0;
+
+        if (leExpr.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
+            AbstractFunctionCallExpression afcExpr = (AbstractFunctionCallExpression) leExpr;
+            sel = getSelectivityFromAnnotation(afcExpr, join);
+        }
+
+        return sel;
+    }
+
+    // The next two routines should be combined and made more general
+    protected double getSelectivity(ILogicalOperator op, boolean join) throws AlgebricksException {
+        double sel = 1.0; // safe to return 1 if there is no annotation
+
+        if (op == null) {
+            return sel;
+        }
+
+        // find all the selectOperators here.
+        while (op.getOperatorTag() != LogicalOperatorTag.EMPTYTUPLESOURCE) {
+            if (op.getOperatorTag() == LogicalOperatorTag.SELECT) {
+                SelectOperator selOper = (SelectOperator) op;
+                sel *= getSelectivityFromAnnotationMain(selOper.getCondition().getValue(), join);
+            }
+            if (op.getOperatorTag() == LogicalOperatorTag.SUBPLAN) {
+                sel *= getSelectivity((SubplanOperator) op);
+            }
+            op = op.getInputs().get(0).getValue();
+        }
+        return sel;
+    }
+
+    protected double getSelectivity(SubplanOperator subplanOp) throws AlgebricksException {
+        double sel = 1.0; // safe to return 1 if there is no annotation
+        //ILogicalOperator op = subplanOp;
+        ILogicalOperator op = subplanOp.getNestedPlans().get(0).getRoots().get(0).getValue();
+        while (true) {
+            if (op.getOperatorTag() == LogicalOperatorTag.SELECT) {
+                SelectOperator selOper = (SelectOperator) op;
+                sel *= getSelectivityFromAnnotationMain(selOper.getCondition().getValue(), false);
+            }
+            if (op.getInputs().size() > 0) {
+                op = op.getInputs().get(0).getValue();
+            } else {
+                break;
+            }
+        }
+        return sel;
+    }
+}
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
index ac7fabe..6a24d59 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
@@ -40,6 +40,8 @@
 import org.apache.asterix.common.functions.FunctionSignature;
 import org.apache.asterix.common.metadata.DataverseName;
 import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
 import org.apache.asterix.lang.common.statement.CreateAdapterStatement;
 import org.apache.asterix.lang.common.statement.CreateDataverseStatement;
 import org.apache.asterix.lang.common.statement.CreateFeedStatement;
@@ -371,6 +373,27 @@
                             dataverseName);
                 }
                 break;
+
+            case ANALYZE:
+                AnalyzeStatement analyzeStmt = (AnalyzeStatement) stmt;
+                if (analyzeStmt.getDataverseName() != null) {
+                    dataverseName = analyzeStmt.getDataverseName();
+                }
+                invalidOperation = isMetadataDataverse(dataverseName);
+                if (invalidOperation) {
+                    message = String.format(BAD_DATAVERSE_OBJECT_DDL_MESSAGE, "analyze", dataset(), dataverseName);
+                }
+                break;
+            case ANALYZE_DROP:
+                AnalyzeDropStatement analyzeDropStmt = (AnalyzeDropStatement) stmt;
+                if (analyzeDropStmt.getDataverseName() != null) {
+                    dataverseName = analyzeDropStmt.getDataverseName();
+                }
+                invalidOperation = isMetadataDataverse(dataverseName);
+                if (invalidOperation) {
+                    message = String.format(BAD_DATAVERSE_OBJECT_DDL_MESSAGE, "analyze drop", dataset(), dataverseName);
+                }
+                break;
         }
 
         if (invalidOperation) {
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
index 794a0b7..daa1d2f 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
@@ -1716,8 +1716,7 @@
             default:
                 if (expressionNeedsNoNesting(expr)) {
                     Pair<ILogicalOperator, LogicalVariable> p = expr.accept(this, topOpRef);
-                    ILogicalExpression exp = ((AssignOperator) p.first).getExpressions().get(0).getValue();
-                    return new Pair<>(exp, p.first.getInputs().get(0));
+                    return inlineAssignIfPossible((AssignOperator) p.first);
                 } else {
                     Mutable<ILogicalOperator> srcRef = new MutableObject<>();
                     Pair<ILogicalOperator, LogicalVariable> p = expr.accept(this, srcRef);
@@ -1749,6 +1748,32 @@
         }
     }
 
+    /**
+     * TODO(wyk) I believe that inlining expressions should be done at the optimization level and not at the translation
+     *  level. By inlining at the translation level, we could possibly miss optimizing inlined expressions in rules
+     *  that do not inspect arguments of a function. I kept inlining all pure (a.k.a functional) functions for now to
+     *  match the previous behavior. For non-pure functions, the assign should be kept as we do not inline them at
+     *  first due to ASTERIXDB-3103
+     *
+     * @see org.apache.hyracks.algebricks.rewriter.rules.InlineVariablesRule
+     */
+    private Pair<ILogicalExpression, Mutable<ILogicalOperator>> inlineAssignIfPossible(AssignOperator assignOp) {
+        ILogicalExpression expr = assignOp.getExpressions().get(0).getValue();
+
+        if (expr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return new Pair<>(expr, assignOp.getInputs().get(0));
+        }
+
+        AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expr;
+        if (funcExpr.isFunctional()) {
+            return new Pair<>(expr, assignOp.getInputs().get(0));
+        }
+
+        //Do not inline non-functional expressions (e.g. uuid()) and keep the assign
+        return new Pair<>(new VariableReferenceExpression(assignOp.getVariables().get(0)),
+                new MutableObject<>(assignOp));
+    }
+
     protected Pair<ILogicalOperator, LogicalVariable> aggListifyForSubquery(LogicalVariable var,
             Mutable<ILogicalOperator> opRef, boolean bProject) {
         SourceLocation sourceLoc = opRef.getValue().getSourceLocation();
@@ -1902,8 +1927,7 @@
      * Eliminate shared operator references in a query plan. Deep copy a new query
      * plan subtree whenever there is a shared operator reference.
      *
-     * @param plan,
-     *            the query plan.
+     * @param plan, the query plan.
      * @throws CompilationException
      */
     protected void eliminateSharedOperatorReferenceForPlan(ILogicalPlan plan) throws CompilationException {
@@ -1918,12 +1942,10 @@
      * <code>currentOpRef.getValue()</code>. Deep copy a new query plan subtree
      * whenever there is a shared operator reference.
      *
-     * @param currentOpRef,
-     *            the operator reference to consider
-     * @param opRefSet,
-     *            the set storing seen operator references so far.
+     * @param currentOpRef, the operator reference to consider
+     * @param opRefSet,     the set storing seen operator references so far.
      * @return a mapping that maps old variables to new variables, for the ancestors
-     *         of <code>currentOpRef</code> to replace variables properly.
+     * of <code>currentOpRef</code> to replace variables properly.
      * @throws CompilationException
      */
     private LinkedHashMap<LogicalVariable, LogicalVariable> eliminateSharedOperatorReference(
@@ -2005,14 +2027,11 @@
     /**
      * Constructs a subplan operator for a branch in a if-else (or case) expression.
      *
-     * @param inputOp,
-     *            the input operator.
-     * @param selectExpr,
-     *            the expression to select tuples that are processed by this branch.
-     * @param branchExpression,
-     *            the expression to be evaluated in this branch.
+     * @param inputOp,          the input operator.
+     * @param selectExpr,       the expression to select tuples that are processed by this branch.
+     * @param branchExpression, the expression to be evaluated in this branch.
      * @return a pair of the constructed subplan operator and the output variable
-     *         for the branch.
+     * for the branch.
      * @throws CompilationException
      */
     protected Pair<ILogicalOperator, LogicalVariable> constructSubplanOperatorForBranch(ILogicalOperator inputOp,
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/ResultMetadata.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/ResultMetadata.java
similarity index 96%
rename from asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/ResultMetadata.java
rename to asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/ResultMetadata.java
index 94360a1..78f84ff 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/ResultMetadata.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/ResultMetadata.java
@@ -16,12 +16,11 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.apache.asterix.api.common;
+package org.apache.asterix.translator;
 
 import java.util.List;
 import java.util.Set;
 
-import org.apache.asterix.translator.SessionConfig;
 import org.apache.hyracks.api.exceptions.Warning;
 import org.apache.hyracks.api.result.IResultMetadata;
 
diff --git a/asterixdb/asterix-app/pom.xml b/asterixdb/asterix-app/pom.xml
index 41a6f47..daf0efc 100644
--- a/asterixdb/asterix-app/pom.xml
+++ b/asterixdb/asterix-app/pom.xml
@@ -267,6 +267,7 @@
               <excludes combine.children="append">
                 <exclude>src/test/resources/**/results_parser_sqlpp/**</exclude>
                 <exclude>src/test/resources/**/results/**</exclude>
+                <exclude>src/test/resources/**/results_cbo/**</exclude>
                 <exclude>src/test/resources/fuzzyjoin/pub/fuzzy-join-aql*.dot</exclude>
                 <exclude>src/test/resources/fuzzyjoin/pub/fuzzy-join-aql*.json</exclude>
                 <exclude>**/data/**</exclude>
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
index 3a9d54d..3409621 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
@@ -40,6 +40,7 @@
 import org.apache.asterix.common.api.IResponsePrinter;
 import org.apache.asterix.common.config.CompilerProperties;
 import org.apache.asterix.common.config.OptimizationConfUtil;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.common.exceptions.ACIDException;
 import org.apache.asterix.common.exceptions.AsterixException;
 import org.apache.asterix.common.exceptions.CompilationException;
@@ -54,7 +55,6 @@
 import org.apache.asterix.dataflow.data.common.MergeAggregationExpressionFactory;
 import org.apache.asterix.dataflow.data.common.MissableTypeComputer;
 import org.apache.asterix.dataflow.data.common.PartialAggregationTypeComputer;
-import org.apache.asterix.external.feed.watch.FeedActivityDetails;
 import org.apache.asterix.formats.base.IDataFormat;
 import org.apache.asterix.jobgen.QueryLogicalExpressionJobGen;
 import org.apache.asterix.lang.common.base.IAstPrintVisitorFactory;
@@ -65,25 +65,18 @@
 import org.apache.asterix.lang.common.rewrites.LangRewritingContext;
 import org.apache.asterix.lang.common.statement.FunctionDecl;
 import org.apache.asterix.lang.common.statement.Query;
-import org.apache.asterix.lang.common.statement.StartFeedStatement;
 import org.apache.asterix.lang.common.statement.ViewDecl;
 import org.apache.asterix.lang.common.struct.VarIdentifier;
-import org.apache.asterix.lang.common.util.FunctionUtil;
-import org.apache.asterix.lang.sqlpp.rewrites.SqlppQueryRewriter;
 import org.apache.asterix.metadata.declared.MetadataProvider;
 import org.apache.asterix.om.base.IAObject;
 import org.apache.asterix.optimizer.base.AsterixOptimizationContext;
-import org.apache.asterix.optimizer.base.FuzzyUtils;
-import org.apache.asterix.optimizer.rules.DisjunctivePredicateToJoinRule;
-import org.apache.asterix.optimizer.rules.SetAsterixPhysicalOperatorsRule;
-import org.apache.asterix.optimizer.rules.util.EquivalenceClassUtils;
 import org.apache.asterix.runtime.job.listener.JobEventListenerFactory;
 import org.apache.asterix.translator.CompiledStatements.ICompiledDmlStatement;
 import org.apache.asterix.translator.ExecutionPlans;
 import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.ResultMetadata;
 import org.apache.asterix.translator.SessionConfig;
 import org.apache.asterix.translator.SessionOutput;
-import org.apache.asterix.translator.SqlppExpressionToPlanTranslator;
 import org.apache.asterix.utils.ResourceUtils;
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
@@ -106,6 +99,8 @@
 import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
 import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.serializer.ResultSerializerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
 import org.apache.hyracks.api.client.IClusterInfoCollector;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.client.NodeControllerInfo;
@@ -121,7 +116,6 @@
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectWriter;
-import com.google.common.collect.ImmutableSet;
 
 /**
  * Provides helper methods for compilation of a query into a JobSpec and submission
@@ -133,29 +127,11 @@
 
     public static final String PREFIX_INTERNAL_PARAMETERS = "_internal";
 
-    // A white list of supported configurable parameters.
-    private static final Set<String> CONFIGURABLE_PARAMETER_NAMES = ImmutableSet.of(
-            CompilerProperties.COMPILER_JOINMEMORY_KEY, CompilerProperties.COMPILER_GROUPMEMORY_KEY,
-            CompilerProperties.COMPILER_SORTMEMORY_KEY, CompilerProperties.COMPILER_WINDOWMEMORY_KEY,
-            CompilerProperties.COMPILER_TEXTSEARCHMEMORY_KEY, CompilerProperties.COMPILER_PARALLELISM_KEY,
-            CompilerProperties.COMPILER_SORT_PARALLEL_KEY, CompilerProperties.COMPILER_SORT_SAMPLES_KEY,
-            CompilerProperties.COMPILER_EXTERNALSCANMEMORY_KEY, CompilerProperties.COMPILER_INDEXONLY_KEY,
-            CompilerProperties.COMPILER_INTERNAL_SANITYCHECK_KEY,
-            CompilerProperties.COMPILER_EXTERNAL_FIELD_PUSHDOWN_KEY, CompilerProperties.COMPILER_SUBPLAN_MERGE_KEY,
-            CompilerProperties.COMPILER_SUBPLAN_NESTEDPUSHDOWN_KEY, CompilerProperties.COMPILER_ARRAYINDEX_KEY,
-            CompilerProperties.COMPILER_MIN_MEMORY_ALLOCATION_KEY, FunctionUtil.IMPORT_PRIVATE_FUNCTIONS,
-            FuzzyUtils.SIM_FUNCTION_PROP_NAME, FuzzyUtils.SIM_THRESHOLD_PROP_NAME,
-            StartFeedStatement.WAIT_FOR_COMPLETION, FeedActivityDetails.FEED_POLICY_NAME,
-            FeedActivityDetails.COLLECT_LOCATIONS, SqlppQueryRewriter.INLINE_WITH_OPTION,
-            SqlppExpressionToPlanTranslator.REWRITE_IN_AS_OR_OPTION, "hash_merge", "output-record-type",
-            DisjunctivePredicateToJoinRule.REWRITE_OR_AS_JOIN_OPTION,
-            SetAsterixPhysicalOperatorsRule.REWRITE_ATTEMPT_BATCH_ASSIGN,
-            EquivalenceClassUtils.REWRITE_INTERNAL_QUERYUID_PK, SqlppQueryRewriter.SQL_COMPAT_OPTION);
-
     private final IRewriterFactory rewriterFactory;
     private final IAstPrintVisitorFactory astPrintVisitorFactory;
     private final ILangExpressionToPlanTranslatorFactory translatorFactory;
     private final IRuleSetFactory ruleSetFactory;
+    private final Set<String> configurableParameterNames;
     private final ExecutionPlans executionPlans;
 
     public APIFramework(ILangCompilationProvider compilationProvider) {
@@ -163,6 +139,7 @@
         this.astPrintVisitorFactory = compilationProvider.getAstPrintVisitorFactory();
         this.translatorFactory = compilationProvider.getExpressionToPlanTranslatorFactory();
         this.ruleSetFactory = compilationProvider.getRuleSetFactory();
+        this.configurableParameterNames = compilationProvider.getCompilerOptions();
         executionPlans = new ExecutionPlans();
     }
 
@@ -181,11 +158,16 @@
                 IConflictingTypeResolver conflictingTypeResolver, PhysicalOptimizationConfig physicalOptimizationConfig,
                 AlgebricksPartitionConstraint clusterLocations, IWarningCollector warningCollector) {
             IPlanPrettyPrinter prettyPrinter = PlanPrettyPrinter.createStringPlanPrettyPrinter();
-            return new AsterixOptimizationContext(varCounter, expressionEvalSizeComputer,
+            return new AsterixOptimizationContext(this, varCounter, expressionEvalSizeComputer,
                     mergeAggregationExpressionFactory, expressionTypeComputer, missableTypeComputer,
                     conflictingTypeResolver, physicalOptimizationConfig, clusterLocations, prettyPrinter,
                     warningCollector);
         }
+
+        @Override
+        public IOptimizationContext cloneOptimizationContext(IOptimizationContext oc) {
+            return new AsterixOptimizationContext((AsterixOptimizationContext) oc);
+        }
     }
 
     public Pair<IReturningStatement, Integer> reWriteQuery(List<FunctionDecl> declaredFunctions,
@@ -235,9 +217,10 @@
 
         if ((isQuery || isLoad) && !conf.is(SessionConfig.FORMAT_ONLY_PHYSICAL_OPS)
                 && conf.is(SessionConfig.OOB_LOGICAL_PLAN)) {
-            generateLogicalPlan(plan, output.config().getPlanFormat());
+            generateLogicalPlan(plan, output.config().getPlanFormat(), isExplainOnly);
         }
-        CompilerProperties compilerProperties = metadataProvider.getApplicationContext().getCompilerProperties();
+        ICcApplicationContext ccAppContext = metadataProvider.getApplicationContext();
+        CompilerProperties compilerProperties = ccAppContext.getCompilerProperties();
         Map<String, Object> querySpecificConfig = validateConfig(metadataProvider.getConfig(), sourceLoc);
         final PhysicalOptimizationConfig physOptConf =
                 OptimizationConfUtil.createPhysicalOptimizationConf(compilerProperties, querySpecificConfig, sourceLoc);
@@ -245,8 +228,9 @@
         HeuristicCompilerFactoryBuilder builder =
                 new HeuristicCompilerFactoryBuilder(OptimizationContextFactory.INSTANCE);
         builder.setPhysicalOptimizationConfig(physOptConf);
-        builder.setLogicalRewrites(ruleSetFactory.getLogicalRewrites(metadataProvider.getApplicationContext()));
-        builder.setPhysicalRewrites(ruleSetFactory.getPhysicalRewrites(metadataProvider.getApplicationContext()));
+        builder.setLogicalRewrites(() -> ruleSetFactory.getLogicalRewrites(ccAppContext));
+        builder.setLogicalRewritesByKind(kind -> ruleSetFactory.getLogicalRewrites(kind, ccAppContext));
+        builder.setPhysicalRewrites(() -> ruleSetFactory.getPhysicalRewrites(ccAppContext));
         IDataFormat format = metadataProvider.getDataFormat();
         ICompilerFactory compilerFactory = builder.create();
         builder.setExpressionEvalSizeComputer(format.getExpressionEvalSizeComputer());
@@ -264,6 +248,24 @@
                 chooseLocations(clusterInfoCollector, parallelism, metadataProvider.getClusterLocations());
         builder.setClusterLocations(computationLocations);
 
+        builder.setBinaryBooleanInspectorFactory(format.getBinaryBooleanInspectorFactory());
+        builder.setBinaryIntegerInspectorFactory(format.getBinaryIntegerInspectorFactory());
+        builder.setComparatorFactoryProvider(format.getBinaryComparatorFactoryProvider());
+        builder.setExpressionRuntimeProvider(
+                new ExpressionRuntimeProvider(new QueryLogicalExpressionJobGen(metadataProvider.getFunctionManager())));
+        builder.setHashFunctionFactoryProvider(format.getBinaryHashFunctionFactoryProvider());
+        builder.setHashFunctionFamilyProvider(format.getBinaryHashFunctionFamilyProvider());
+        builder.setMissingWriterFactory(format.getMissingWriterFactory());
+        builder.setNullWriterFactory(format.getNullWriterFactory());
+        builder.setUnnestingPositionWriterFactory(format.getUnnestingPositionWriterFactory());
+        builder.setPredicateEvaluatorFactoryProvider(format.getPredicateEvaluatorFactoryProvider());
+        builder.setPrinterProvider(getPrinterFactoryProvider(format, conf.fmt()));
+        builder.setWriterFactory(PrinterBasedWriterFactory.INSTANCE);
+        builder.setResultSerializerFactoryProvider(ResultSerializerFactoryProvider.INSTANCE);
+        builder.setSerializerDeserializerProvider(format.getSerdeProvider());
+        builder.setTypeTraitProvider(format.getTypeTraitProvider());
+        builder.setNormalizedKeyComputerFactoryProvider(format.getNormalizedKeyComputerFactoryProvider());
+
         ICompiler compiler = compilerFactory.createCompiler(plan, metadataProvider, t.getVarCounter());
         if (conf.isOptimize()) {
             compiler.optimize();
@@ -275,7 +277,7 @@
                     output.out().write(buf.toString());
                 } else {
                     if (isQuery || isLoad) {
-                        generateOptimizedLogicalPlan(plan, output.config().getPlanFormat());
+                        generateOptimizedLogicalPlan(plan, output.config().getPlanFormat(), isExplainOnly);
                     }
                 }
             }
@@ -309,35 +311,22 @@
         }
 
         if (!conf.isGenerateJobSpec()) {
+            if (isQuery || isLoad) {
+                generateOptimizedLogicalPlan(plan, output.config().getPlanFormat(), isExplainOnly);
+            }
             return null;
         }
 
-        builder.setBinaryBooleanInspectorFactory(format.getBinaryBooleanInspectorFactory());
-        builder.setBinaryIntegerInspectorFactory(format.getBinaryIntegerInspectorFactory());
-        builder.setComparatorFactoryProvider(format.getBinaryComparatorFactoryProvider());
-        builder.setExpressionRuntimeProvider(
-                new ExpressionRuntimeProvider(new QueryLogicalExpressionJobGen(metadataProvider.getFunctionManager())));
-        builder.setHashFunctionFactoryProvider(format.getBinaryHashFunctionFactoryProvider());
-        builder.setHashFunctionFamilyProvider(format.getBinaryHashFunctionFamilyProvider());
-        builder.setMissingWriterFactory(format.getMissingWriterFactory());
-        builder.setNullWriterFactory(format.getNullWriterFactory());
-        builder.setUnnestingPositionWriterFactory(format.getUnnestingPositionWriterFactory());
-        builder.setPredicateEvaluatorFactoryProvider(format.getPredicateEvaluatorFactoryProvider());
-        builder.setPrinterProvider(getPrinterFactoryProvider(format, conf.fmt()));
-        builder.setSerializerDeserializerProvider(format.getSerdeProvider());
-        builder.setTypeTraitProvider(format.getTypeTraitProvider());
-        builder.setNormalizedKeyComputerFactoryProvider(format.getNormalizedKeyComputerFactoryProvider());
-
         JobEventListenerFactory jobEventListenerFactory =
                 new JobEventListenerFactory(txnId, metadataProvider.isWriteTransaction());
-        JobSpecification spec = compiler.createJob(metadataProvider.getApplicationContext(), jobEventListenerFactory);
+        JobSpecification spec = compiler.createJob(ccAppContext, jobEventListenerFactory);
 
         if (isQuery) {
             if (requestParameters == null || !requestParameters.isSkipAdmissionPolicy()) {
                 // Sets a required capacity, only for read-only queries.
                 // DDLs and DMLs are considered not that frequent.
                 // limit the computation locations to the locations that will be used in the query
-                final INodeJobTracker nodeJobTracker = metadataProvider.getApplicationContext().getNodeJobTracker();
+                final INodeJobTracker nodeJobTracker = ccAppContext.getNodeJobTracker();
                 final AlgebricksAbsolutePartitionConstraint jobLocations =
                         getJobLocations(spec, nodeJobTracker, computationLocations);
                 final IClusterCapacity jobRequiredCapacity =
@@ -345,6 +334,21 @@
                 spec.setRequiredClusterCapacity(jobRequiredCapacity);
             }
         }
+
+        if (conf.is(SessionConfig.OOB_OPTIMIZED_LOGICAL_PLAN) || isExplainOnly) {
+            if (isQuery || isLoad) {
+                generateOptimizedLogicalPlan(plan, output.config().getPlanFormat(), isExplainOnly);
+            }
+        }
+
+        if (isExplainOnly) {
+            printPlanAsResult(metadataProvider, output, printer, printSignature);
+            if (!conf.is(SessionConfig.OOB_OPTIMIZED_LOGICAL_PLAN)) {
+                executionPlans.setOptimizedLogicalPlan(null);
+            }
+            return null;
+        }
+
         if (isQuery && conf.is(SessionConfig.OOB_HYRACKS_JOB)) {
             generateJob(spec);
         }
@@ -502,10 +506,10 @@
     }
 
     // Validates if the query contains unsupported query parameters.
-    private static Map<String, Object> validateConfig(Map<String, Object> config, SourceLocation sourceLoc)
+    private Map<String, Object> validateConfig(Map<String, Object> config, SourceLocation sourceLoc)
             throws AlgebricksException {
         for (String parameterName : config.keySet()) {
-            if (!CONFIGURABLE_PARAMETER_NAMES.contains(parameterName)
+            if (!configurableParameterNames.contains(parameterName)
                     && !parameterName.startsWith(PREFIX_INTERNAL_PARAMETERS)) {
                 throw AsterixException.create(ErrorCode.COMPILATION_UNSUPPORTED_QUERY_PARAMETER, sourceLoc,
                         parameterName);
@@ -530,13 +534,16 @@
         }
     }
 
-    private void generateLogicalPlan(ILogicalPlan plan, SessionConfig.PlanFormat format) throws AlgebricksException {
-        executionPlans.setLogicalPlan(getPrettyPrintVisitor(format).printPlan(plan).toString());
+    private void generateLogicalPlan(ILogicalPlan plan, SessionConfig.PlanFormat format,
+            boolean printOptimizerEstimates) throws AlgebricksException {
+        executionPlans
+                .setLogicalPlan(getPrettyPrintVisitor(format).printPlan(plan, printOptimizerEstimates).toString());
     }
 
-    private void generateOptimizedLogicalPlan(ILogicalPlan plan, SessionConfig.PlanFormat format)
-            throws AlgebricksException {
-        executionPlans.setOptimizedLogicalPlan(getPrettyPrintVisitor(format).printPlan(plan).toString());
+    private void generateOptimizedLogicalPlan(ILogicalPlan plan, SessionConfig.PlanFormat format,
+            boolean printOptimizerEstimates) throws AlgebricksException {
+        executionPlans.setOptimizedLogicalPlan(
+                getPrettyPrintVisitor(format).printPlan(plan, printOptimizerEstimates).toString());
     }
 
     private void generateJob(JobSpecification spec) {
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/AbstractQueryApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/AbstractQueryApiServlet.java
index 4dadf55..bf77c24 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/AbstractQueryApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/AbstractQueryApiServlet.java
@@ -28,8 +28,6 @@
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.result.IResultSet;
 import org.apache.hyracks.http.server.AbstractServlet;
-import org.apache.hyracks.ipc.exceptions.IPCException;
-import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -61,13 +59,7 @@
     }
 
     protected IResultSet getResultSet() throws Exception { // NOSONAR
-        try {
-            return ServletUtil.getResultSet(getHyracksClientConnection(), appCtx, ctx);
-        } catch (IPCException e) {
-            LOGGER.log(Level.WARN, "Failed getting hyracks dataset connection. Resetting hyracks connection.", e);
-            ctx.put(HYRACKS_CONNECTION_ATTR, appCtx.getHcc());
-            return ServletUtil.getResultSet(getHyracksClientConnection(), appCtx, ctx);
-        }
+        return ServletUtil.getResultSet(appCtx, ctx);
     }
 
     protected IHyracksClientConnection getHyracksClientConnection() throws Exception { // NOSONAR
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
index 081c69a..56ad88e 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
@@ -134,7 +134,7 @@
         try {
             // TODO: warnings should be retrieved from warnings collectors
             IHyracksClientConnection hcc = (IHyracksClientConnection) ctx.get(HYRACKS_CONNECTION_ATTR);
-            IResultSet resultSet = ServletUtil.getResultSet(hcc, appCtx, ctx);
+            IResultSet resultSet = ServletUtil.getResultSet(appCtx, ctx);
             IParser parser = parserFactory.createParser(query);
             List<Statement> statements = parser.parse();
             SessionConfig sessionConfig = new SessionConfig(format, true, isSet(executeQuery), true, planFormat);
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryResultApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryResultApiServlet.java
index 981cdc9..bfebfd6 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryResultApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryResultApiServlet.java
@@ -21,7 +21,6 @@
 import java.io.IOException;
 import java.util.concurrent.ConcurrentMap;
 
-import org.apache.asterix.api.common.ResultMetadata;
 import org.apache.asterix.app.result.ResponseMetrics;
 import org.apache.asterix.app.result.ResponsePrinter;
 import org.apache.asterix.app.result.ResultHandle;
@@ -31,6 +30,7 @@
 import org.apache.asterix.app.result.fields.ResultsPrinter;
 import org.apache.asterix.common.api.IApplicationContext;
 import org.apache.asterix.translator.IStatementExecutor.Stats;
+import org.apache.asterix.translator.ResultMetadata;
 import org.apache.asterix.translator.SessionConfig;
 import org.apache.asterix.translator.SessionOutput;
 import org.apache.hyracks.api.exceptions.ErrorCode;
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ServletUtil.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ServletUtil.java
index 3ac37bf..8d5e4db 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ServletUtil.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ServletUtil.java
@@ -24,29 +24,22 @@
 import java.util.List;
 import java.util.Map;
 
-import org.apache.asterix.app.result.ResultReader;
 import org.apache.asterix.common.api.IApplicationContext;
 import org.apache.asterix.common.metadata.DataverseName;
 import org.apache.commons.codec.DecoderException;
 import org.apache.commons.codec.net.URLCodec;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
-import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.result.IResultSet;
-import org.apache.hyracks.client.result.ResultSet;
 import org.apache.hyracks.http.api.IServletRequest;
 
 public class ServletUtil {
-    static IResultSet getResultSet(IHyracksClientConnection hcc, IApplicationContext appCtx,
-            final Map<String, Object> ctx) throws Exception {
+    static IResultSet getResultSet(IApplicationContext appCtx, final Map<String, Object> ctx) throws Exception {
         IResultSet resultSet = (IResultSet) ctx.get(RESULTSET_ATTR);
         if (resultSet == null) {
             synchronized (ctx) {
                 resultSet = (IResultSet) ctx.get(RESULTSET_ATTR);
                 if (resultSet == null) {
-                    resultSet = new ResultSet(hcc,
-                            appCtx.getServiceContext().getControllerService().getNetworkSecurityManager()
-                                    .getSocketChannelFactory(),
-                            appCtx.getCompilerProperties().getFrameSize(), ResultReader.NUM_READERS);
+                    resultSet = appCtx.getResultSet();
                     ctx.put(RESULTSET_ATTR, resultSet);
                 }
             }
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/utils/CcApplicationContext.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/cc/CcApplicationContext.java
similarity index 87%
rename from asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/utils/CcApplicationContext.java
rename to asterixdb/asterix-app/src/main/java/org/apache/asterix/app/cc/CcApplicationContext.java
index 66f0e73..880880e 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/utils/CcApplicationContext.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/cc/CcApplicationContext.java
@@ -16,12 +16,13 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.apache.asterix.runtime.utils;
+package org.apache.asterix.app.cc;
 
 import java.io.IOException;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.function.Supplier;
 
+import org.apache.asterix.app.result.ResultReader;
 import org.apache.asterix.common.api.IConfigValidator;
 import org.apache.asterix.common.api.IConfigValidatorFactory;
 import org.apache.asterix.common.api.ICoordinationService;
@@ -56,13 +57,21 @@
 import org.apache.asterix.runtime.compression.CompressionManager;
 import org.apache.asterix.runtime.job.listener.NodeJobTracker;
 import org.apache.asterix.runtime.transaction.ResourceIdManager;
+import org.apache.asterix.runtime.utils.BulkTxnIdFactory;
+import org.apache.asterix.runtime.utils.ClusterStateManager;
+import org.apache.asterix.runtime.utils.NoOpCoordinationService;
+import org.apache.asterix.runtime.utils.RequestTracker;
+import org.apache.asterix.runtime.utils.RuntimeComponentsProvider;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.api.application.ICCServiceContext;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.job.IJobLifecycleListener;
+import org.apache.hyracks.api.result.IResultSet;
+import org.apache.hyracks.client.result.ResultSet;
 import org.apache.hyracks.ipc.impl.HyracksConnection;
 import org.apache.hyracks.storage.common.IStorageManager;
+import org.apache.hyracks.util.NetworkUtil;
 
 /*
  * Acts as an holder class for IndexRegistryProvider, AsterixStorageManager
@@ -87,7 +96,8 @@
     private MessagingProperties messagingProperties;
     private NodeProperties nodeProperties;
     private Supplier<IMetadataBootstrap> metadataBootstrapSupplier;
-    private IHyracksClientConnection hcc;
+    private volatile HyracksConnection hcc;
+    private volatile ResultSet resultSet;
     private Object extensionManager;
     private INcLifecycleCoordinator ftStrategy;
     private IJobLifecycleListener activeLifeCycleListener;
@@ -103,7 +113,7 @@
     private final IAdapterFactoryService adapterFactoryService;
     private final ReentrantReadWriteLock compilationLock = new ReentrantReadWriteLock(true);
 
-    public CcApplicationContext(ICCServiceContext ccServiceCtx, IHyracksClientConnection hcc,
+    public CcApplicationContext(ICCServiceContext ccServiceCtx, HyracksConnection hcc,
             Supplier<IMetadataBootstrap> metadataBootstrapSupplier, IGlobalRecoveryManager globalRecoveryManager,
             INcLifecycleCoordinator ftStrategy, IJobLifecycleListener activeLifeCycleListener,
             IStorageComponentProvider storageComponentProvider, IMetadataLockManager mdLockManager,
@@ -188,18 +198,44 @@
 
     @Override
     public IHyracksClientConnection getHcc() throws HyracksDataException {
-        if (!hcc.isConnected()) {
+        HyracksConnection hc = hcc;
+        if (!hc.isConnected()) {
             synchronized (this) {
-                if (!hcc.isConnected()) {
+                hc = hcc;
+                if (!hc.isConnected()) {
                     try {
-                        hcc = new HyracksConnection(hcc.getHost(), hcc.getPort());
+                        ResultSet rs = resultSet;
+                        resultSet = null;
+                        NetworkUtil.closeQuietly(rs);
+
+                        NetworkUtil.closeQuietly(hc);
+                        hcc = hc = new HyracksConnection(hcc.getHost(), hcc.getPort());
                     } catch (Exception e) {
                         throw HyracksDataException.create(e);
                     }
                 }
             }
         }
-        return hcc;
+        return hc;
+    }
+
+    @Override
+    public IResultSet getResultSet() throws HyracksDataException {
+        ResultSet rs = resultSet;
+        if (rs == null) {
+            synchronized (this) {
+                rs = resultSet;
+                if (rs == null) {
+                    try {
+                        resultSet = rs = ResultReader.createResultSet(getHcc(), ccServiceCtx.getControllerService(),
+                                compilerProperties);
+                    } catch (Exception e) {
+                        throw HyracksDataException.create(e);
+                    }
+                }
+            }
+        }
+        return rs;
     }
 
     @Override
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexRewriter.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexRewriter.java
index 30eaf93..6c0382d 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexRewriter.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexRewriter.java
@@ -25,6 +25,7 @@
 import org.apache.asterix.metadata.declared.MetadataProvider;
 import org.apache.asterix.metadata.entities.Dataset;
 import org.apache.asterix.metadata.entities.Index;
+import org.apache.asterix.metadata.utils.ISecondaryIndexOperationsHelper;
 import org.apache.asterix.metadata.utils.SecondaryIndexOperationsHelper;
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -63,7 +64,7 @@
         if (index.isPrimaryIndex()) {
             throw new CompilationException(ErrorCode.OPERATION_NOT_SUPPORTED_ON_PRIMARY_INDEX, loc, indexName);
         }
-        SecondaryIndexOperationsHelper secondaryIndexHelper =
+        ISecondaryIndexOperationsHelper secondaryIndexHelper =
                 SecondaryIndexOperationsHelper.createIndexOperationsHelper(dataset, index, metadataProvider, loc);
         IndexDataflowHelperFactory indexDataflowHelperFactory =
                 new IndexDataflowHelperFactory(metadataProvider.getStorageComponentProvider().getStorageManager(),
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/nc/NCAppRuntimeContext.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/nc/NCAppRuntimeContext.java
index 1a89168..a46522e 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/nc/NCAppRuntimeContext.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/nc/NCAppRuntimeContext.java
@@ -27,6 +27,7 @@
 import java.util.concurrent.ExecutorService;
 
 import org.apache.asterix.active.ActiveManager;
+import org.apache.asterix.app.result.ResultReader;
 import org.apache.asterix.common.api.IConfigValidator;
 import org.apache.asterix.common.api.IConfigValidatorFactory;
 import org.apache.asterix.common.api.ICoordinationService;
@@ -86,6 +87,8 @@
 import org.apache.hyracks.api.lifecycle.ILifeCycleComponent;
 import org.apache.hyracks.api.lifecycle.ILifeCycleComponentManager;
 import org.apache.hyracks.api.network.INetworkSecurityManager;
+import org.apache.hyracks.api.result.IResultSet;
+import org.apache.hyracks.client.result.ResultSet;
 import org.apache.hyracks.control.common.controllers.NCConfig;
 import org.apache.hyracks.control.nc.NodeControllerService;
 import org.apache.hyracks.ipc.impl.HyracksConnection;
@@ -108,6 +111,7 @@
 import org.apache.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
 import org.apache.hyracks.storage.common.file.IResourceIdFactory;
 import org.apache.hyracks.util.MaintainedThreadNameExecutorService;
+import org.apache.hyracks.util.NetworkUtil;
 import org.apache.hyracks.util.cache.CacheManager;
 import org.apache.hyracks.util.cache.ICacheManager;
 import org.apache.logging.log4j.Level;
@@ -147,7 +151,8 @@
     private final NCExtensionManager ncExtensionManager;
     private final IStorageComponentProvider componentProvider;
     private final IPersistedResourceRegistry persistedResourceRegistry;
-    private IHyracksClientConnection hcc;
+    private volatile HyracksConnection hcc;
+    private volatile ResultSet resultSet;
     private IIndexCheckpointManagerProvider indexCheckpointManagerProvider;
     private IReplicaManager replicaManager;
     private IReceptionist receptionist;
@@ -513,15 +518,22 @@
 
     @Override
     public IHyracksClientConnection getHcc() throws HyracksDataException {
-        if (hcc == null || !hcc.isConnected()) {
+        HyracksConnection hc = hcc;
+        if (hc == null || !hc.isConnected()) {
             synchronized (this) {
-                if (hcc == null || !hcc.isConnected()) {
+                hc = hcc;
+                if (hc == null || !hc.isConnected()) {
                     try {
+                        ResultSet rs = resultSet;
+                        resultSet = null;
+                        NetworkUtil.closeQuietly(rs);
+
                         NodeControllerService ncSrv = (NodeControllerService) ncServiceContext.getControllerService();
                         // TODO(mblow): multicc
                         CcId primaryCcId = ncSrv.getPrimaryCcId();
                         ClusterControllerInfo ccInfo = ncSrv.getNodeParameters(primaryCcId).getClusterControllerInfo();
-                        hcc = new HyracksConnection(ccInfo.getClientNetAddress(), ccInfo.getClientNetPort(),
+                        NetworkUtil.closeQuietly(hc);
+                        hcc = hc = new HyracksConnection(ccInfo.getClientNetAddress(), ccInfo.getClientNetPort(),
                                 ncSrv.getNetworkSecurityManager().getSocketChannelFactory());
                     } catch (Exception e) {
                         throw HyracksDataException.create(e);
@@ -529,7 +541,26 @@
                 }
             }
         }
-        return hcc;
+        return hc;
+    }
+
+    @Override
+    public IResultSet getResultSet() throws HyracksDataException {
+        ResultSet rs = resultSet;
+        if (rs == null) {
+            synchronized (this) {
+                rs = resultSet;
+                if (rs == null) {
+                    try {
+                        resultSet = rs = ResultReader.createResultSet(getHcc(), ncServiceContext.getControllerService(),
+                                compilerProperties);
+                    } catch (Exception e) {
+                        throw HyracksDataException.create(e);
+                    }
+                }
+            }
+        }
+        return rs;
     }
 
     @Override
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
index 05073f9..201a470 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
@@ -23,8 +23,8 @@
 import java.util.Iterator;
 import java.util.Set;
 
-import org.apache.asterix.api.common.ResultMetadata;
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.translator.ResultMetadata;
 import org.apache.hyracks.api.exceptions.Warning;
 import org.apache.hyracks.api.job.JobFlag;
 import org.apache.hyracks.api.job.JobId;
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/ResultReader.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/ResultReader.java
index 1acae87..56dfd5e 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/ResultReader.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/ResultReader.java
@@ -18,6 +18,8 @@
  */
 package org.apache.asterix.app.result;
 
+import org.apache.asterix.common.config.CompilerProperties;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.comm.IFrame;
 import org.apache.hyracks.api.comm.IFrameTupleAccessor;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
@@ -27,12 +29,14 @@
 import org.apache.hyracks.api.result.IResultSetReader;
 import org.apache.hyracks.api.result.ResultJobRecord.Status;
 import org.apache.hyracks.api.result.ResultSetId;
+import org.apache.hyracks.api.service.IControllerService;
+import org.apache.hyracks.client.result.ResultSet;
 import org.apache.hyracks.dataflow.common.comm.io.ResultFrameTupleAccessor;
 
 public class ResultReader {
-    private IResultSetReader reader;
+    private final IResultSetReader reader;
 
-    private IFrameTupleAccessor frameTupleAccessor;
+    private final IFrameTupleAccessor frameTupleAccessor;
 
     // Number of parallel result reader buffers
     public static final int NUM_READERS = 1;
@@ -57,4 +61,10 @@
     public IResultMetadata getMetadata() {
         return reader.getResultMetadata();
     }
+
+    public static ResultSet createResultSet(IHyracksClientConnection hcc, IControllerService srv,
+            CompilerProperties compilerProperties) throws Exception {
+        return new ResultSet(hcc, srv.getNetworkSecurityManager().getSocketChannelFactory(),
+                compilerProperties.getFrameSize(), ResultReader.NUM_READERS);
+    }
 }
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/fields/SignaturePrinter.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/fields/SignaturePrinter.java
index 048584c..3f1e632 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/fields/SignaturePrinter.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/fields/SignaturePrinter.java
@@ -22,7 +22,6 @@
 import java.util.LinkedHashSet;
 import java.util.List;
 
-import org.apache.asterix.api.common.ResultMetadata;
 import org.apache.asterix.api.http.server.ResultUtil;
 import org.apache.asterix.common.annotations.IRecordTypeAnnotation;
 import org.apache.asterix.common.annotations.RecordFieldOrderAnnotation;
@@ -34,6 +33,7 @@
 import org.apache.asterix.om.types.BuiltinType;
 import org.apache.asterix.om.types.IAType;
 import org.apache.asterix.translator.ExecutionPlans;
+import org.apache.asterix.translator.ResultMetadata;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.util.JSONUtil;
 
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
index 1729b50..b017648 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
@@ -111,6 +111,8 @@
 import org.apache.asterix.lang.common.expression.TypeReferenceExpression;
 import org.apache.asterix.lang.common.expression.VariableExpr;
 import org.apache.asterix.lang.common.statement.AdapterDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
 import org.apache.asterix.lang.common.statement.CompactStatement;
 import org.apache.asterix.lang.common.statement.ConnectFeedStatement;
 import org.apache.asterix.lang.common.statement.CreateAdapterStatement;
@@ -195,6 +197,7 @@
 import org.apache.asterix.metadata.utils.KeyFieldTypeUtil;
 import org.apache.asterix.metadata.utils.MetadataConstants;
 import org.apache.asterix.metadata.utils.MetadataUtil;
+import org.apache.asterix.metadata.utils.SampleOperationsHelper;
 import org.apache.asterix.metadata.utils.TypeUtil;
 import org.apache.asterix.om.base.ANull;
 import org.apache.asterix.om.base.IAObject;
@@ -208,6 +211,7 @@
 import org.apache.asterix.runtime.fulltext.FullTextConfigDescriptor;
 import org.apache.asterix.runtime.fulltext.IFullTextFilterDescriptor;
 import org.apache.asterix.runtime.fulltext.StopwordsFullTextFilterDescriptor;
+import org.apache.asterix.runtime.operators.DatasetStreamStats;
 import org.apache.asterix.transaction.management.service.transaction.DatasetIdFactory;
 import org.apache.asterix.translator.AbstractLangTranslator;
 import org.apache.asterix.translator.ClientRequest;
@@ -235,13 +239,11 @@
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.Counter;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
 import org.apache.hyracks.algebricks.data.IAWriterFactory;
-import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
-import org.apache.hyracks.algebricks.runtime.serializer.ResultSerializerFactoryProvider;
-import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
 import org.apache.hyracks.api.client.IClusterInfoCollector;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
@@ -253,6 +255,7 @@
 import org.apache.hyracks.api.job.JobFlag;
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 import org.apache.hyracks.api.result.IResultSet;
 import org.apache.hyracks.api.result.ResultSetId;
 import org.apache.hyracks.control.cc.ClusterControllerService;
@@ -330,10 +333,8 @@
     public void compileAndExecute(IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
         validateStatements(requestParameters);
         trackRequest(requestParameters);
-        int resultSetIdCounter = 0;
+        Counter resultSetIdCounter = new Counter(0);
         FileSplit outputFile = null;
-        IAWriterFactory writerFactory = PrinterBasedWriterFactory.INSTANCE;
-        IResultSerializerFactoryProvider resultSerializerFactoryProvider = ResultSerializerFactoryProvider.INSTANCE;
         String threadName = Thread.currentThread().getName();
         Thread.currentThread().setName(
                 QueryTranslator.class.getSimpleName() + ":" + requestParameters.getRequestReference().getUuid());
@@ -353,8 +354,8 @@
                 }
                 validateOperation(appCtx, activeDataverse, stmt);
                 MetadataProvider metadataProvider = MetadataProvider.create(appCtx, activeDataverse);
-                configureMetadataProvider(metadataProvider, config, resultSerializerFactoryProvider, writerFactory,
-                        outputFile, requestParameters, stmt);
+                configureMetadataProvider(metadataProvider, config, resultSetIdCounter, outputFile, requestParameters,
+                        stmt);
                 IStatementRewriter stmtRewriter = rewriterFactory.createStatementRewriter();
                 rewriteStatement(stmt, stmtRewriter, metadataProvider); // Rewrite the statement's AST.
                 Statement.Kind kind = stmt.getKind();
@@ -444,7 +445,7 @@
                     case INSERT:
                     case UPSERT:
                         if (((InsertStatement) stmt).getReturnExpression() != null) {
-                            metadataProvider.setResultSetId(new ResultSetId(resultSetIdCounter++));
+                            metadataProvider.setResultSetId(new ResultSetId(resultSetIdCounter.getAndInc()));
                             metadataProvider.setResultAsyncMode(resultDelivery == ResultDelivery.ASYNC
                                     || resultDelivery == ResultDelivery.DEFERRED);
                             metadataProvider.setMaxResultReads(maxResultReads);
@@ -480,7 +481,7 @@
                         handleCreateFeedPolicyStatement(metadataProvider, stmt);
                         break;
                     case QUERY:
-                        metadataProvider.setResultSetId(new ResultSetId(resultSetIdCounter++));
+                        metadataProvider.setResultSetId(new ResultSetId(resultSetIdCounter.getAndInc()));
                         metadataProvider.setResultAsyncMode(
                                 resultDelivery == ResultDelivery.ASYNC || resultDelivery == ResultDelivery.DEFERRED);
                         metadataProvider.setMaxResultReads(maxResultReads);
@@ -490,6 +491,12 @@
                         handleQuery(metadataProvider, (Query) stmt, hcc, resultSet, resultDelivery, outMetadata, stats,
                                 requestParameters, stmtParams, stmtRewriter);
                         break;
+                    case ANALYZE:
+                        handleAnalyzeStatement(metadataProvider, stmt, hcc, requestParameters);
+                        break;
+                    case ANALYZE_DROP:
+                        handleAnalyzeDropStatement(metadataProvider, stmt, hcc, requestParameters);
+                        break;
                     case COMPACT:
                         handleCompactStatement(metadataProvider, stmt, hcc);
                         break;
@@ -505,7 +512,10 @@
                     case EXTENSION:
                         final ExtensionStatement extStmt = (ExtensionStatement) stmt;
                         statementProperties.setName(extStmt.getName());
-                        extStmt.handle(hcc, this, requestParameters, metadataProvider, resultSetIdCounter);
+                        if (!isCompileOnly()) {
+                            extStmt.handle(hcc, this, requestParameters, metadataProvider,
+                                    resultSetIdCounter.getAndInc());
+                        }
                         break;
                     default:
                         throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, stmt.getSourceLocation(),
@@ -522,14 +532,13 @@
     }
 
     protected void configureMetadataProvider(MetadataProvider metadataProvider, Map<String, String> config,
-            IResultSerializerFactoryProvider resultSerializerFactoryProvider, IAWriterFactory writerFactory,
-            FileSplit outputFile, IRequestParameters requestParameters, Statement statement) {
+            Counter resultSetIdCounter, FileSplit outputFile, IRequestParameters requestParameters,
+            Statement statement) {
         if (statement.getKind() == Statement.Kind.QUERY && requestParameters.isSQLCompatMode()) {
             metadataProvider.getConfig().put(SqlppQueryRewriter.SQL_COMPAT_OPTION, Boolean.TRUE.toString());
         }
         metadataProvider.getConfig().putAll(config);
-        metadataProvider.setWriterFactory(writerFactory);
-        metadataProvider.setResultSerializerFactoryProvider(resultSerializerFactoryProvider);
+        metadataProvider.setResultSetIdCounter(resultSetIdCounter);
         metadataProvider.setOutputFile(outputFile);
     }
 
@@ -610,6 +619,9 @@
         CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
         DataverseName dvName = stmtCreateDataverse.getDataverseName();
         metadataProvider.validateDataverseName(dvName, stmtCreateDataverse.getSourceLocation());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createDataverseBegin(lockManager, metadataProvider.getLocks(), dvName);
         try {
             doCreateDataverseStatement(metadataProvider, stmtCreateDataverse, requestParameters);
@@ -713,6 +725,9 @@
         String compactionPolicy = dd.getCompactionPolicy();
         boolean defaultCompactionPolicy = compactionPolicy == null;
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName,
                 itemTypeDataverseName, itemTypeName, itemTypeAnonymous, metaItemTypeDataverseName, metaItemTypeName,
                 metaItemTypeAnonymous, nodegroupName, compactionPolicy, defaultCompactionPolicy, dd.getDatasetType(),
@@ -1061,6 +1076,9 @@
         metadataProvider.validateDatabaseObjectName(stmtCreateIndex.getDataverseName(), indexName,
                 stmt.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(stmtCreateIndex.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createIndexBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName,
                 fullTextConfigName);
         try {
@@ -1409,6 +1427,9 @@
                 stmt.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(stmtCreateFilter.getDataverseName());
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createFullTextFilterBegin(lockManager, metadataProvider.getLocks(), dataverseName, fullTextFilterName);
         try {
             doCreateFullTextFilter(metadataProvider, stmtCreateFilter, dataverseName);
@@ -1477,6 +1498,9 @@
         DataverseName dataverseName = getActiveDataverseName(stmtCreateConfig.getDataverseName());
         ImmutableList<String> filterNames = stmtCreateConfig.getFilterNames();
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createFullTextConfigBegin(lockManager, metadataProvider.getLocks(), dataverseName, configName,
                 filterNames);
         try {
@@ -1842,6 +1866,9 @@
         String typeName = stmtCreateType.getIdent().getValue();
         metadataProvider.validateDatabaseObjectName(stmtCreateType.getDataverseName(), typeName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtCreateType.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.createTypeBegin(lockManager, metadataProvider.getLocks(), dataverseName, typeName);
@@ -1895,6 +1922,9 @@
             throw new CompilationException(ErrorCode.COMPILATION_ERROR, sourceLoc,
                     dataverseName + " " + dataverse() + " can't be dropped");
         }
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropDataverseBegin(lockManager, metadataProvider.getLocks(), dataverseName);
         try {
             doDropDataverse(stmtDropDataverse, metadataProvider, hcc, requestParameters);
@@ -2098,6 +2128,9 @@
         String datasetName = stmtDelete.getDatasetName().getValue();
         metadataProvider.validateDatabaseObjectName(stmtDelete.getDataverseName(), datasetName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtDelete.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
         try {
             doDropDataset(dataverseName, datasetName, metadataProvider, stmtDelete.getIfExists(), hcc,
@@ -2205,6 +2238,9 @@
                 stmtIndexDrop.getIndexName().getValue(), stmtIndexDrop.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(stmtIndexDrop.getDataverseName());
         String datasetName = stmtIndexDrop.getDatasetName().getValue();
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropIndexBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
         try {
             doDropIndex(metadataProvider, stmtIndexDrop, dataverseName, datasetName, hcc, requestParameters);
@@ -2245,14 +2281,8 @@
                 }
                 ensureNonPrimaryIndexDrop(index, sourceLoc);
                 validateDatasetState(metadataProvider, ds, sourceLoc);
-                // #. prepare a job to drop the index in NC.
-                jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds, sourceLoc));
-
-                // #. mark PendingDropOp on the existing index
-                MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
-                MetadataManager.INSTANCE.addIndex(mdTxnCtx,
-                        new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getIndexDetails(),
-                                index.isEnforced(), index.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
+                prepareIndexDrop(metadataProvider, dataverseName, datasetName, sourceLoc, indexName, jobsToExecute,
+                        mdTxnCtx, ds, index);
 
                 // #. commit the existing transaction before calling runJob.
                 MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
@@ -2286,8 +2316,9 @@
                             "Dropping " + dataset() + " files index is not allowed.");
                 }
                 ensureNonPrimaryIndexDrop(index, sourceLoc);
-                // #. prepare a job to drop the index in NC.
-                jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds, sourceLoc));
+                prepareIndexDrop(metadataProvider, dataverseName, datasetName, sourceLoc, indexName, jobsToExecute,
+                        mdTxnCtx, ds, index);
+
                 List<Index> datasetIndexes =
                         MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
                 if (datasetIndexes.size() == 2) {
@@ -2309,12 +2340,6 @@
                     }
                 }
 
-                // #. mark PendingDropOp on the existing index
-                MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
-                MetadataManager.INSTANCE.addIndex(mdTxnCtx,
-                        new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getIndexDetails(),
-                                index.isEnforced(), index.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
-
                 // #. commit the existing transaction before calling runJob.
                 MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                 bActiveTxn = false;
@@ -2387,6 +2412,9 @@
         DataverseName dataverseName = getActiveDataverseName(stmtFilterDrop.getDataverseName());
         String fullTextFilterName = stmtFilterDrop.getFilterName();
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropFullTextFilterBegin(lockManager, metadataProvider.getLocks(), dataverseName, fullTextFilterName);
         try {
             doDropFullTextFilter(metadataProvider, stmtFilterDrop, dataverseName, fullTextFilterName);
@@ -2427,6 +2455,9 @@
         DataverseName dataverseName = getActiveDataverseName(stmtConfigDrop.getDataverseName());
         String configName = stmtConfigDrop.getConfigName();
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropFullTextConfigBegin(lockManager, metadataProvider.getLocks(), dataverseName, configName);
         try {
             doDropFullTextConfig(metadataProvider, stmtConfigDrop, hcc, requestParameters);
@@ -2476,6 +2507,9 @@
         String typeName = stmtTypeDrop.getTypeName().getValue();
         metadataProvider.validateDatabaseObjectName(stmtTypeDrop.getDataverseName(), typeName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtTypeDrop.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.dropTypeBegin(lockManager, metadataProvider.getLocks(), dataverseName, typeName);
@@ -2516,6 +2550,9 @@
         SourceLocation sourceLoc = stmtDelete.getSourceLocation();
         String nodegroupName = stmtDelete.getNodeGroupName().getValue();
         metadataProvider.validateDatabaseObjectName(null, nodegroupName, sourceLoc);
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockManager.acquireNodeGroupWriteLock(metadataProvider.getLocks(), nodegroupName);
@@ -2560,6 +2597,9 @@
             viewItemTypeAnonymous = false;
         }
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, viewName,
                 viewItemTypeDataverseName, viewItemTypeName, viewItemTypeAnonymous, null, null, false, null, null, true,
                 DatasetType.VIEW, null);
@@ -2751,6 +2791,9 @@
         String viewName = stmtDrop.getViewName().getValue();
         metadataProvider.validateDatabaseObjectName(stmtDrop.getDataverseName(), viewName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtDrop.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, viewName);
         try {
             doDropView(metadataProvider, stmtDrop, dataverseName, viewName);
@@ -2833,6 +2876,9 @@
             }
         }
 
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createFunctionBegin(lockManager, metadataProvider.getLocks(), dataverseName, signature.getName(),
                 libraryDataverseName, libraryName);
         try {
@@ -3082,6 +3128,9 @@
                 stmtDropFunction.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(signature.getDataverseName());
         signature.setDataverseName(dataverseName);
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropFunctionBegin(lockManager, metadataProvider.getLocks(), dataverseName, signature.getName());
         try {
             doDropFunction(metadataProvider, stmtDropFunction, signature, requestParameters);
@@ -3140,6 +3189,9 @@
             libraryDataverseName = dataverseName;
         }
         String libraryName = cas.getLibraryName();
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createAdapterBegin(lockManager, metadataProvider.getLocks(), dataverseName, adapterName,
                 libraryDataverseName, libraryName);
         try {
@@ -3210,6 +3262,9 @@
         String adapterName = stmtDropAdapter.getAdapterName();
         metadataProvider.validateDatabaseObjectName(stmtDropAdapter.getDataverseName(), adapterName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtDropAdapter.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropAdapterBegin(lockManager, metadataProvider.getLocks(), dataverseName, adapterName);
         try {
             doDropAdapter(metadataProvider, stmtDropAdapter, dataverseName, adapterName);
@@ -3260,6 +3315,9 @@
         DataverseName dataverseName = getActiveDataverseName(cls.getDataverseName());
         String libraryName = cls.getLibraryName();
         String libraryHash = cls.getHash();
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createLibraryBegin(lockManager, metadataProvider.getLocks(), dataverseName, libraryName);
         try {
             doCreateLibrary(metadataProvider, dataverseName, libraryName, libraryHash, cls, hcc, requestParameters);
@@ -3388,6 +3446,9 @@
         metadataProvider.validateDatabaseObjectName(stmtDropLibrary.getDataverseName(), libraryName,
                 stmtDropLibrary.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(stmtDropLibrary.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropLibraryBegin(lockManager, metadataProvider.getLocks(), dataverseName, libraryName);
         try {
             doDropLibrary(metadataProvider, stmtDropLibrary, dataverseName, libraryName, hcc, requestParameters);
@@ -3482,6 +3543,9 @@
         DataverseName objectDataverseName =
                 css.getObjectDataverseName() != null ? css.getObjectDataverseName() : dataverseName;
         String objectName = css.getObjectName();
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createSynonymBegin(lockManager, metadataProvider.getLocks(), dataverseName, synonymName);
         try {
             doCreateSynonym(metadataProvider, css, dataverseName, synonymName, objectDataverseName, objectName);
@@ -3529,6 +3593,9 @@
         metadataProvider.validateDatabaseObjectName(stmtSynDrop.getDataverseName(), synonymName,
                 stmtSynDrop.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(stmtSynDrop.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.dropSynonymBegin(lockManager, metadataProvider.getLocks(), dataverseName, synonymName);
         try {
             doDropSynonym(metadataProvider, stmtSynDrop, dataverseName, synonymName);
@@ -3582,7 +3649,7 @@
             afterCompile();
             MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
             bActiveTxn = false;
-            if (spec != null && sessionConfig.isExecuteQuery()) {
+            if (spec != null && !isCompileOnly()) {
                 runJob(hcc, spec);
             }
         } catch (Exception e) {
@@ -3627,7 +3694,7 @@
                         rewriteCompileInsertUpsert(hcc, metadataProvider, stmtInsertUpsert, stmtParams);
                 MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                 bActiveTxn = false;
-                return !sessionConfig.isExecuteQuery() ? null : jobSpec;
+                return isCompileOnly() ? null : jobSpec;
             } catch (Exception e) {
                 if (bActiveTxn) {
                     abort(e, e, mdTxnCtx);
@@ -3678,7 +3745,7 @@
             MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
             bActiveTxn = false;
 
-            if (jobSpec != null && sessionConfig.isExecuteQuery()) {
+            if (jobSpec != null && !isCompileOnly()) {
                 runJob(hcc, jobSpec);
             }
             return jobSpec;
@@ -3755,6 +3822,9 @@
         String feedName = cfs.getFeedName().getValue();
         metadataProvider.validateDatabaseObjectName(cfs.getDataverseName(), feedName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(cfs.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.createFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, feedName);
@@ -3794,6 +3864,9 @@
         String policyName = cfps.getPolicyName();
         metadataProvider.validateDatabaseObjectName(null, policyName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(null);
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.createFeedPolicyBegin(lockManager, metadataProvider.getLocks(), dataverseName, policyName);
         try {
             mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
@@ -3855,6 +3928,9 @@
         String feedName = stmtFeedDrop.getFeedName().getValue();
         metadataProvider.validateDatabaseObjectName(stmtFeedDrop.getDataverseName(), feedName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtFeedDrop.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.dropFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, feedName);
@@ -3908,6 +3984,9 @@
         String policyName = stmtFeedPolicyDrop.getPolicyName().getValue();
         metadataProvider.validateDatabaseObjectName(stmtFeedPolicyDrop.getDataverseName(), policyName, sourceLoc);
         DataverseName dataverseName = getActiveDataverseName(stmtFeedPolicyDrop.getDataverseName());
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.dropFeedPolicyBegin(lockManager, metadataProvider.getLocks(), dataverseName, policyName);
@@ -3937,6 +4016,9 @@
         SourceLocation sourceLoc = sfs.getSourceLocation();
         DataverseName dataverseName = getActiveDataverseName(sfs.getDataverseName());
         String feedName = sfs.getFeedName().getValue();
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         boolean committed = false;
         lockUtil.startFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, feedName);
@@ -3999,6 +4081,9 @@
             throw new CompilationException(ErrorCode.COMPILATION_ERROR, sourceLoc,
                     "Feed " + feedName + " is not started.");
         }
+        if (isCompileOnly()) {
+            return;
+        }
         lockUtil.stopFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, feedName);
         try {
             listener.stop(metadataProvider);
@@ -4016,6 +4101,9 @@
         String datasetName = cfs.getDatasetName().getValue();
         String policyName = cfs.getPolicy();
         String whereClauseBody = cfs.getWhereClauseBody();
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         // TODO: Check whether we are connecting a change feed to a non-meta dataset
@@ -4071,6 +4159,9 @@
         DataverseName dataverseName = getActiveDataverseName(cfs.getDataverseName());
         String datasetName = cfs.getDatasetName().getValue();
         String feedName = cfs.getFeedName().getValue();
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.disconnectFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName, feedName);
@@ -4110,12 +4201,385 @@
         }
     }
 
+    protected void handleAnalyzeStatement(MetadataProvider metadataProvider, Statement stmt,
+            IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+        AnalyzeStatement analyzeStatement = (AnalyzeStatement) stmt;
+        metadataProvider.validateDatabaseObjectName(analyzeStatement.getDataverseName(),
+                analyzeStatement.getDatasetName(), analyzeStatement.getSourceLocation());
+        DataverseName dataverseName = getActiveDataverseName(analyzeStatement.getDataverseName());
+        String datasetName = analyzeStatement.getDatasetName();
+        if (isCompileOnly()) {
+            return;
+        }
+        lockUtil.analyzeDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
+        try {
+            doAnalyzeDataset(metadataProvider, analyzeStatement, dataverseName, datasetName, hcc, requestParameters);
+        } finally {
+            metadataProvider.getLocks().unlock();
+        }
+    }
+
+    protected void doAnalyzeDataset(MetadataProvider metadataProvider, AnalyzeStatement stmtAnalyze,
+            DataverseName dataverseName, String datasetName, IHyracksClientConnection hcc,
+            IRequestParameters requestParameters) throws Exception {
+        SourceLocation sourceLoc = stmtAnalyze.getSourceLocation();
+        ProgressState progressNewIndexCreate = ProgressState.NO_PROGRESS;
+        ProgressState progressExistingIndexDrop = ProgressState.NO_PROGRESS;
+        Dataset ds = null;
+        Index existingIndex = null, newIndexPendingAdd = null;
+        JobSpecification existingIndexDropSpec = null;
+        MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+        boolean bActiveTxn = true;
+        metadataProvider.setMetadataTxnContext(mdTxnCtx);
+        try {
+            // Check if the dataverse exists
+            Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
+            if (dv == null) {
+                throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, sourceLoc, dataverseName);
+            }
+            // Check if the dataset exists
+            ds = metadataProvider.findDataset(dataverseName, datasetName);
+            if (ds == null) {
+                throw new CompilationException(ErrorCode.UNKNOWN_DATASET_IN_DATAVERSE, sourceLoc, datasetName,
+                        dataverseName);
+            }
+            if (ds.getDatasetType() == DatasetType.INTERNAL) {
+                validateDatasetState(metadataProvider, ds, sourceLoc);
+            } else {
+                throw new CompilationException(ErrorCode.OPERATION_NOT_SUPPORTED, sourceLoc);
+            }
+
+            IndexType sampleIndexType = IndexType.SAMPLE;
+            Pair<String, String> sampleIndexNames = IndexUtil.getSampleIndexNames(datasetName);
+            String newIndexName;
+            existingIndex = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+                    datasetName, sampleIndexNames.first);
+            if (existingIndex != null) {
+                newIndexName = sampleIndexNames.second;
+            } else {
+                existingIndex = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(),
+                        dataverseName, datasetName, sampleIndexNames.second);
+                newIndexName = sampleIndexNames.first;
+            }
+
+            InternalDatasetDetails dsDetails = (InternalDatasetDetails) ds.getDatasetDetails();
+            int sampleCardinalityTarget = stmtAnalyze.getSampleSize();
+            long sampleSeed = stmtAnalyze.getOrCreateSampleSeed();
+
+            Index.SampleIndexDetails newIndexDetailsPendingAdd = new Index.SampleIndexDetails(dsDetails.getPrimaryKey(),
+                    dsDetails.getKeySourceIndicator(), dsDetails.getPrimaryKeyType(), sampleCardinalityTarget, 0, 0,
+                    sampleSeed, Collections.emptyMap());
+            newIndexPendingAdd = new Index(dataverseName, datasetName, newIndexName, sampleIndexType,
+                    newIndexDetailsPendingAdd, false, false, MetadataUtil.PENDING_ADD_OP);
+
+            // #. add a new index with PendingAddOp
+            MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), newIndexPendingAdd);
+            // #. prepare to create the index artifact in NC.
+            JobSpecification spec =
+                    IndexUtil.buildSecondaryIndexCreationJobSpec(ds, newIndexPendingAdd, metadataProvider, sourceLoc);
+            if (spec == null) {
+                throw new CompilationException(ErrorCode.COMPILATION_ERROR, sourceLoc,
+                        "Failed to create job spec for creating index '" + ds.getDatasetName() + "."
+                                + newIndexPendingAdd.getIndexName() + "'");
+            }
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            bActiveTxn = false;
+            progressNewIndexCreate = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
+
+            // #. create the index artifact in NC.
+            runJob(hcc, spec);
+
+            // #. flush dataset
+            FlushDatasetUtil.flushDataset(hcc, metadataProvider, dataverseName, datasetName);
+
+            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+            bActiveTxn = true;
+            metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+            // #. load data into the index in NC.
+            spec = IndexUtil.buildSecondaryIndexLoadingJobSpec(ds, newIndexPendingAdd, metadataProvider, sourceLoc);
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            bActiveTxn = false;
+
+            List<IOperatorStats> opStats = runJob(hcc, spec, jobFlags,
+                    Collections.singletonList(SampleOperationsHelper.DATASET_STATS_OPERATOR_NAME));
+            if (opStats == null || opStats.size() == 0) {
+                throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, "", sourceLoc);
+            }
+            DatasetStreamStats stats = new DatasetStreamStats(opStats.get(0));
+
+            Index.SampleIndexDetails newIndexDetailsFinal = new Index.SampleIndexDetails(dsDetails.getPrimaryKey(),
+                    dsDetails.getKeySourceIndicator(), dsDetails.getPrimaryKeyType(), sampleCardinalityTarget,
+                    stats.getCardinality(), stats.getAvgTupleSize(), sampleSeed, stats.getIndexesStats());
+            Index newIndexFinal = new Index(dataverseName, datasetName, newIndexName, sampleIndexType,
+                    newIndexDetailsFinal, false, false, MetadataUtil.PENDING_NO_OP);
+
+            // #. begin new metadataTxn
+            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+            bActiveTxn = true;
+            metadataProvider.setMetadataTxnContext(mdTxnCtx);
+            // #. add same new index with PendingNoOp after deleting its entry with PendingAddOp
+            MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(),
+                    newIndexPendingAdd.getDataverseName(), newIndexPendingAdd.getDatasetName(),
+                    newIndexPendingAdd.getIndexName());
+            MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), newIndexFinal);
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            bActiveTxn = false;
+            progressNewIndexCreate = ProgressState.NO_PROGRESS;
+
+            if (existingIndex != null) {
+                // #. set existing index to PendingDropOp because we'll be dropping it next
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                bActiveTxn = true;
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(),
+                        existingIndex.getDataverseName(), existingIndex.getDatasetName(), existingIndex.getIndexName());
+                existingIndex.setPendingOp(MetadataUtil.PENDING_DROP_OP);
+                MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), existingIndex);
+                existingIndexDropSpec = IndexUtil.buildDropIndexJobSpec(existingIndex, metadataProvider, ds, sourceLoc);
+                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                progressExistingIndexDrop = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
+                bActiveTxn = false;
+
+                // #. drop existing index on NCs
+                runJob(hcc, existingIndexDropSpec);
+
+                // #. drop existing index metadata
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                bActiveTxn = true;
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(),
+                        existingIndex.getDataverseName(), existingIndex.getDatasetName(), existingIndex.getIndexName());
+                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                bActiveTxn = false;
+                progressExistingIndexDrop = ProgressState.NO_PROGRESS;
+            }
+
+        } catch (Exception e) {
+            LOGGER.error("failed to analyze dataset; executing compensating operations", e);
+            if (bActiveTxn) {
+                abort(e, e, mdTxnCtx);
+            }
+
+            if (progressExistingIndexDrop == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
+                // #. execute compensation operations remove the index in NCs
+                try {
+                    runJob(hcc, existingIndexDropSpec);
+                } catch (Exception e2) {
+                    // do no throw exception since still the metadata needs to be compensated.
+                    e.addSuppressed(e2);
+                }
+                // #. remove the record from the metadata.
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                try {
+                    MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(),
+                            existingIndex.getDataverseName(), existingIndex.getDatasetName(),
+                            existingIndex.getIndexName());
+                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                } catch (Exception e2) {
+                    e.addSuppressed(e2);
+                    abort(e, e2, mdTxnCtx);
+                    throw new IllegalStateException("System is inconsistent state: pending index("
+                            + existingIndex.getDataverseName() + "." + existingIndex.getDatasetName() + "."
+                            + existingIndex.getIndexName() + ") couldn't be removed from the metadata", e);
+                }
+            } else if (progressNewIndexCreate == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
+                // #. execute compensation operations remove the index in NCs
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                bActiveTxn = true;
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                try {
+                    JobSpecification jobSpec =
+                            IndexUtil.buildDropIndexJobSpec(newIndexPendingAdd, metadataProvider, ds, sourceLoc);
+                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                    bActiveTxn = false;
+                    runJob(hcc, jobSpec);
+                } catch (Exception e2) {
+                    e.addSuppressed(e2);
+                    if (bActiveTxn) {
+                        abort(e, e2, mdTxnCtx);
+                    }
+                }
+                // #. remove the record from the metadata.
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                try {
+                    MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(),
+                            newIndexPendingAdd.getDataverseName(), newIndexPendingAdd.getDatasetName(),
+                            newIndexPendingAdd.getIndexName());
+                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                } catch (Exception e2) {
+                    e.addSuppressed(e2);
+                    abort(e, e2, mdTxnCtx);
+                    throw new IllegalStateException("System is in inconsistent state: pending index("
+                            + newIndexPendingAdd.getDataverseName() + "." + newIndexPendingAdd.getDatasetName() + "."
+                            + newIndexPendingAdd.getIndexName() + ") couldn't be removed from the metadata", e);
+                }
+            }
+
+            throw e;
+        }
+    }
+
+    protected void handleAnalyzeDropStatement(MetadataProvider metadataProvider, Statement stmt,
+            IHyracksClientConnection hcc, IRequestParameters requestParams) throws Exception {
+        AnalyzeDropStatement analyzeDropStmt = (AnalyzeDropStatement) stmt;
+        metadataProvider.validateDatabaseObjectName(analyzeDropStmt.getDataverseName(),
+                analyzeDropStmt.getDatasetName(), analyzeDropStmt.getSourceLocation());
+        DataverseName dataverseName = getActiveDataverseName(analyzeDropStmt.getDataverseName());
+        String datasetName = analyzeDropStmt.getDatasetName();
+        if (isCompileOnly()) {
+            return;
+        }
+        lockUtil.analyzeDatasetDropBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
+        try {
+            doAnalyzeDatasetDrop(metadataProvider, analyzeDropStmt, dataverseName, datasetName, hcc, requestParams);
+        } finally {
+            metadataProvider.getLocks().unlock();
+        }
+    }
+
+    protected boolean doAnalyzeDatasetDrop(MetadataProvider metadataProvider, AnalyzeDropStatement stmtIndexDrop,
+            DataverseName dataverseName, String datasetName, IHyracksClientConnection hcc,
+            IRequestParameters requestParams) throws Exception {
+        SourceLocation sourceLoc = stmtIndexDrop.getSourceLocation();
+        Pair<String, String> sampleIndexNames = IndexUtil.getSampleIndexNames(datasetName);
+        String indexName1 = sampleIndexNames.first;
+        String indexName2 = sampleIndexNames.second;
+        ProgressState progress = ProgressState.NO_PROGRESS;
+        List<JobSpecification> jobsToExecute = new ArrayList<>();
+
+        MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+        boolean bActiveTxn = true;
+        metadataProvider.setMetadataTxnContext(mdTxnCtx);
+        boolean index1Exists = false, index2Exists = false;
+        try {
+            Dataset ds = metadataProvider.findDataset(dataverseName, datasetName);
+            if (ds == null) {
+                throw new CompilationException(ErrorCode.UNKNOWN_DATASET_IN_DATAVERSE, sourceLoc, datasetName,
+                        dataverseName);
+            }
+            if (ds.getDatasetType() != DatasetType.INTERNAL) {
+                throw new CompilationException(ErrorCode.OPERATION_NOT_SUPPORTED, sourceLoc);
+            }
+            Index index1 = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName1);
+            Index index2 = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName2);
+            index1Exists = index1 != null;
+            index2Exists = index2 != null;
+            if (!index1Exists && !index2Exists) {
+                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                return false;
+            }
+            ensureNonPrimaryIndexesDrop(index1, index2, sourceLoc);
+            validateDatasetState(metadataProvider, ds, sourceLoc);
+            prepareIndexDrop(metadataProvider, dataverseName, datasetName, sourceLoc, indexName1, jobsToExecute,
+                    mdTxnCtx, ds, index1);
+            prepareIndexDrop(metadataProvider, dataverseName, datasetName, sourceLoc, indexName2, jobsToExecute,
+                    mdTxnCtx, ds, index2);
+
+            // #. commit the existing transaction before calling runJob.
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            bActiveTxn = false;
+            progress = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
+
+            for (JobSpecification jobSpec : jobsToExecute) {
+                runJob(hcc, jobSpec);
+            }
+
+            // #. begin a new transaction
+            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+            bActiveTxn = true;
+            metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+            // #. finally, delete the existing indexes
+            if (index1Exists) {
+                MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName1);
+            }
+            if (index2Exists) {
+                MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName2);
+            }
+
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            return true;
+        } catch (Exception e) {
+            if (bActiveTxn) {
+                abort(e, e, mdTxnCtx);
+            }
+
+            if (progress == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
+                // #. execute compensation operations remove the all indexes in NC
+                try {
+                    for (JobSpecification jobSpec : jobsToExecute) {
+                        runJob(hcc, jobSpec);
+                    }
+                } catch (Exception e2) {
+                    // do no throw exception since still the metadata needs to be compensated.
+                    e.addSuppressed(e2);
+                }
+
+                // remove the record from the metadata.
+                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+                metadataProvider.setMetadataTxnContext(mdTxnCtx);
+                try {
+                    if (index1Exists) {
+                        MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+                                datasetName, indexName1);
+                    }
+                    if (index2Exists) {
+                        MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+                                datasetName, indexName2);
+                    }
+                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+                } catch (Exception e2) {
+                    e.addSuppressed(e2);
+                    abort(e, e2, mdTxnCtx);
+                    String msg = String.format(
+                            "System is in inconsistent state: pending index %1$s.%2$s.%3$s and/or %1$s.%2$s.%4$s "
+                                    + "couldn't be removed from the metadata",
+                            dataverseName, datasetName, indexName1, indexName2);
+                    throw new IllegalStateException(msg, e);
+                }
+            }
+
+            throw e;
+        }
+    }
+
+    private void ensureNonPrimaryIndexesDrop(Index index1, Index index2, SourceLocation sourceLoc)
+            throws AlgebricksException {
+        if (index1 != null) {
+            ensureNonPrimaryIndexDrop(index1, sourceLoc);
+        }
+        if (index2 != null) {
+            ensureNonPrimaryIndexDrop(index2, sourceLoc);
+        }
+    }
+
+    private void prepareIndexDrop(MetadataProvider metadataProvider, DataverseName dataverseName, String datasetName,
+            SourceLocation sourceLoc, String indexName, List<JobSpecification> jobsToExecute,
+            MetadataTransactionContext mdTxnCtx, Dataset ds, Index index) throws AlgebricksException {
+        if (index != null) {
+            // #. prepare a job to drop the index in NC.
+            jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds, sourceLoc));
+
+            // #. mark PendingDropOp on the existing index
+            MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+            MetadataManager.INSTANCE.addIndex(mdTxnCtx,
+                    new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getIndexDetails(),
+                            index.isEnforced(), index.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
+        }
+    }
+
     protected void handleCompactStatement(MetadataProvider metadataProvider, Statement stmt,
             IHyracksClientConnection hcc) throws Exception {
         CompactStatement compactStatement = (CompactStatement) stmt;
         SourceLocation sourceLoc = compactStatement.getSourceLocation();
         DataverseName dataverseName = getActiveDataverseName(compactStatement.getDataverseName());
         String datasetName = compactStatement.getDatasetName().getValue();
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         boolean bActiveTxn = true;
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
@@ -4219,7 +4683,7 @@
                 afterCompile();
                 MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                 bActiveTxn = false;
-                return query.isExplain() || !sessionConfig.isExecuteQuery() ? null : jobSpec;
+                return query.isExplain() || isCompileOnly() ? null : jobSpec;
             } catch (Exception e) {
                 LOGGER.log(Level.INFO, e.getMessage(), e);
                 if (bActiveTxn) {
@@ -4277,8 +4741,8 @@
     private void updateJobStats(JobId jobId, Stats stats, ResultSetId rsId) throws HyracksDataException {
         final ClusterControllerService controllerService =
                 (ClusterControllerService) appCtx.getServiceContext().getControllerService();
-        org.apache.asterix.api.common.ResultMetadata resultMetadata =
-                (org.apache.asterix.api.common.ResultMetadata) controllerService.getResultDirectoryService()
+        org.apache.asterix.translator.ResultMetadata resultMetadata =
+                (org.apache.asterix.translator.ResultMetadata) controllerService.getResultDirectoryService()
                         .getResultMetadata(jobId, rsId);
         stats.setProcessedObjects(resultMetadata.getProcessedObjects());
         if (jobFlags.contains(JobFlag.PROFILE_RUNTIME)) {
@@ -4336,6 +4800,12 @@
         JobUtils.runJob(hcc, jobSpec, jobFlags, true);
     }
 
+    private static List<IOperatorStats> runJob(IHyracksClientConnection hcc, JobSpecification jobSpec,
+            EnumSet<JobFlag> jobFlags, List<String> statOperatorNames) throws Exception {
+        Pair<JobId, List<IOperatorStats>> p = JobUtils.runJob(hcc, jobSpec, jobFlags, true, statOperatorNames);
+        return p.second;
+    }
+
     private static void createAndRunJob(IHyracksClientConnection hcc, EnumSet<JobFlag> jobFlags, Mutable<JobId> jId,
             IStatementCompiler compiler, IMetadataLocker locker, ResultDelivery resultDelivery, IResultPrinter printer,
             IRequestParameters requestParameters, boolean cancellable, ICcApplicationContext appCtx,
@@ -4389,6 +4859,9 @@
         String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
         metadataProvider.validateDatabaseObjectName(null, ngName, sourceLoc);
 
+        if (isCompileOnly()) {
+            return;
+        }
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockManager.acquireNodeGroupWriteLock(metadataProvider.getLocks(), ngName);
@@ -4423,9 +4896,6 @@
         DataverseName dataverseName = getActiveDataverseName(stmtRefresh.getDataverseName());
         String datasetName = stmtRefresh.getDatasetName().getValue();
         TransactionState transactionState = TransactionState.COMMIT;
-        MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
-        boolean bActiveTxn = true;
-        metadataProvider.setMetadataTxnContext(mdTxnCtx);
         JobSpecification spec = null;
         Dataset ds = null;
         List<ExternalFile> metadataFiles = null;
@@ -4436,6 +4906,12 @@
         Dataset transactionDataset = null;
         boolean lockAquired = false;
         boolean success = false;
+        if (isCompileOnly()) {
+            return;
+        }
+        MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+        metadataProvider.setMetadataTxnContext(mdTxnCtx);
+        boolean bActiveTxn = true;
         lockUtil.refreshDatasetBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
         try {
             ds = metadataProvider.findDataset(dataverseName, datasetName);
@@ -4770,7 +5246,7 @@
 
     private Map<VarIdentifier, IAObject> createExternalVariables(IReturningStatement stmt,
             Map<String, IAObject> stmtParams) throws CompilationException {
-        if (sessionConfig.isExecuteQuery()) {
+        if (!isCompileOnly()) {
             if (stmtParams == null || stmtParams.isEmpty()) {
                 return Collections.emptyMap();
             }
@@ -4795,6 +5271,10 @@
         }
     }
 
+    protected boolean isCompileOnly() {
+        return !sessionConfig.isExecuteQuery();
+    }
+
     protected void validateDatasetState(MetadataProvider metadataProvider, Dataset dataset, SourceLocation sourceLoc)
             throws Exception {
         validateIfResourceIsActiveInFeed(metadataProvider.getApplicationContext(), dataset, sourceLoc);
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/hyracks/bootstrap/CCApplication.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/hyracks/bootstrap/CCApplication.java
index 8f3deb1..2a66cfd 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/hyracks/bootstrap/CCApplication.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/hyracks/bootstrap/CCApplication.java
@@ -53,6 +53,7 @@
 import org.apache.asterix.api.http.server.VersionApiServlet;
 import org.apache.asterix.app.active.ActiveNotificationHandler;
 import org.apache.asterix.app.cc.CCExtensionManager;
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.app.config.ConfigValidator;
 import org.apache.asterix.app.io.PersistedResourceRegistry;
 import org.apache.asterix.app.replication.NcLifecycleCoordinator;
@@ -85,7 +86,6 @@
 import org.apache.asterix.metadata.lock.MetadataLockManager;
 import org.apache.asterix.metadata.utils.MetadataLockUtil;
 import org.apache.asterix.runtime.job.resource.JobCapacityController;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.asterix.translator.IStatementExecutorFactory;
 import org.apache.asterix.translator.Receptionist;
 import org.apache.asterix.util.MetadataBuiltinFunctions;
@@ -126,7 +126,7 @@
     protected WebManager webManager;
     protected ICcApplicationContext appCtx;
     private IJobCapacityController jobCapacityController;
-    private IHyracksClientConnection hcc;
+    private HyracksConnection hcc;
 
     @Override
     public void init(IServiceContext serviceCtx) throws Exception {
@@ -209,7 +209,7 @@
             IReceptionistFactory receptionistFactory, IConfigValidatorFactory configValidatorFactory,
             CCExtensionManager ccExtensionManager, IAdapterFactoryService adapterFactoryService)
             throws AlgebricksException, IOException {
-        return new CcApplicationContext(ccServiceCtx, getHcc(), () -> MetadataManager.INSTANCE, globalRecoveryManager,
+        return new CcApplicationContext(ccServiceCtx, hcc, () -> MetadataManager.INSTANCE, globalRecoveryManager,
                 lifecycleCoordinator, new ActiveNotificationHandler(), componentProvider, new MetadataLockManager(),
                 createMetadataLockUtil(), receptionistFactory, configValidatorFactory, ccExtensionManager,
                 adapterFactoryService);
diff --git a/asterixdb/asterix-app/src/main/resources/cc.conf b/asterixdb/asterix-app/src/main/resources/cc.conf
index 98ede89..dc6e5a2 100644
--- a/asterixdb/asterix-app/src/main/resources/cc.conf
+++ b/asterixdb/asterix-app/src/main/resources/cc.conf
@@ -52,6 +52,9 @@
 [common]
 log.dir = logs/
 log.level = INFO
+compiler.cbo=false
+compiler.cbotest=true
+compiler.queryplanshape=zigzag
 compiler.framesize=32KB
 compiler.sortmemory=320KB
 compiler.groupmemory=160KB
diff --git a/asterixdb/asterix-app/src/main/resources/cc2.conf b/asterixdb/asterix-app/src/main/resources/cc2.conf
index 016c485..c746198 100644
--- a/asterixdb/asterix-app/src/main/resources/cc2.conf
+++ b/asterixdb/asterix-app/src/main/resources/cc2.conf
@@ -48,6 +48,9 @@
 [common]
 log.dir = logs/
 log.level = WARN
+compiler.cbo=false
+compiler.cbotest=true
+compiler.queryplanshape=zigzag
 compiler.framesize=32KB
 compiler.sortmemory=320KB
 compiler.groupmemory=160KB
diff --git a/asterixdb/asterix-app/src/main/resources/cc3.conf b/asterixdb/asterix-app/src/main/resources/cc3.conf
index 88362aa..8e9b5ab 100644
--- a/asterixdb/asterix-app/src/main/resources/cc3.conf
+++ b/asterixdb/asterix-app/src/main/resources/cc3.conf
@@ -48,6 +48,9 @@
 [common]
 log.dir = logs/
 log.level = WARN
+compiler.cbo=false
+compiler.cbotest=true
+compiler.queryplanshape=zigzag
 compiler.framesize=32KB
 compiler.sortmemory=320KB
 compiler.groupmemory=160KB
diff --git a/asterixdb/asterix-app/src/main/resources/cc_no_cbo.conf b/asterixdb/asterix-app/src/main/resources/cc_no_cbo.conf
new file mode 100644
index 0000000..deb92e0
--- /dev/null
+++ b/asterixdb/asterix-app/src/main/resources/cc_no_cbo.conf
@@ -0,0 +1,66 @@
+; Licensed to the Apache Software Foundation (ASF) under one
+; or more contributor license agreements.  See the NOTICE file
+; distributed with this work for additional information
+; regarding copyright ownership.  The ASF licenses this file
+; to you under the Apache License, Version 2.0 (the
+; "License"); you may not use this file except in compliance
+; with the License.  You may obtain a copy of the License at
+;
+;   http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing,
+; software distributed under the License is distributed on an
+; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+; KIND, either express or implied.  See the License for the
+; specific language governing permissions and limitations
+; under the License.
+
+[nc/asterix_nc1]
+txn.log.dir=target/tmp/asterix_nc1/txnlog
+core.dump.dir=target/tmp/asterix_nc1/coredump
+iodevices=asterix_nc1/iodevice1
+iodevices=asterix_nc1/iodevice2
+nc.api.port=19004
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5006
+
+[nc/asterix_nc2]
+ncservice.port=9091
+txn.log.dir=target/tmp/asterix_nc2/txnlog
+core.dump.dir=target/tmp/asterix_nc2/coredump
+iodevices=asterix_nc2/iodevice1
+iodevices=asterix_nc2/iodevice2
+nc.api.port=19005
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5007
+
+[nc]
+address=127.0.0.1
+command=asterixnc
+app.class=org.apache.asterix.hyracks.bootstrap.NCApplication
+jvm.args=-Xmx4096m -Dnode.Resolver="org.apache.asterix.external.util.IdentitiyResolverFactory"
+storage.buffercache.pagesize=32KB
+storage.buffercache.size=128MB
+storage.memorycomponent.globalbudget=512MB
+storage.io.scheduler=greedy
+storage.filtered.memorycomponent.max.size=16MB
+
+[cc]
+address = 127.0.0.1
+app.class=org.apache.asterix.hyracks.bootstrap.CCApplication
+heartbeat.period=2000
+heartbeat.max.misses=25
+
+[common]
+log.dir = logs/
+log.level = INFO
+compiler.cbo=false
+compiler.cbotest=false
+compiler.framesize=32KB
+compiler.sortmemory=320KB
+compiler.groupmemory=160KB
+compiler.joinmemory=256KB
+compiler.textsearchmemory=160KB
+compiler.windowmemory=192KB
+compiler.sort.parallel=false
+compiler.internal.sanitycheck=true
+messaging.frame.size=4096
+messaging.frame.count=512
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/api/http/servlet/VersionApiServletTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/api/http/servlet/VersionApiServletTest.java
index 8dcfa26..eb63218 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/api/http/servlet/VersionApiServletTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/api/http/servlet/VersionApiServletTest.java
@@ -31,8 +31,8 @@
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.asterix.api.http.server.VersionApiServlet;
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.common.config.BuildProperties;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.http.api.IServletRequest;
 import org.apache.hyracks.http.api.IServletResponse;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/app/bootstrap/TestNodeController.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/app/bootstrap/TestNodeController.java
index 0b80881..34696b1 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/app/bootstrap/TestNodeController.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/app/bootstrap/TestNodeController.java
@@ -26,6 +26,7 @@
 import java.util.List;
 import java.util.Map;
 
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.app.nc.NCAppRuntimeContext;
 import org.apache.asterix.app.nc.TransactionSubsystem;
 import org.apache.asterix.common.config.TransactionProperties;
@@ -61,7 +62,6 @@
 import org.apache.asterix.runtime.operators.LSMIndexBulkLoadOperatorNodePushable;
 import org.apache.asterix.runtime.operators.LSMPrimaryInsertOperatorNodePushable;
 import org.apache.asterix.runtime.operators.LSMPrimaryUpsertOperatorNodePushable;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.asterix.test.runtime.ExecutionTestUtil;
 import org.apache.asterix.transaction.management.runtime.CommitRuntime;
 import org.apache.asterix.transaction.management.service.logging.LogReader;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/runtime/ClusterStateManagerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/runtime/ClusterStateManagerTest.java
index b80fa30..a2a3b48 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/runtime/ClusterStateManagerTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/runtime/ClusterStateManagerTest.java
@@ -26,6 +26,7 @@
 import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
 
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.app.replication.NcLifecycleCoordinator;
 import org.apache.asterix.app.replication.message.NCLifecycleTaskReportMessage;
 import org.apache.asterix.common.api.IClusterManagementWork.ClusterState;
@@ -37,7 +38,6 @@
 import org.apache.asterix.hyracks.bootstrap.CCApplication;
 import org.apache.asterix.runtime.transaction.ResourceIdManager;
 import org.apache.asterix.runtime.utils.BulkTxnIdFactory;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.asterix.runtime.utils.ClusterStateManager;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.api.application.ICCServiceContext;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveEventsListenerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveEventsListenerTest.java
index c71e602..e5e33d0 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveEventsListenerTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveEventsListenerTest.java
@@ -34,6 +34,7 @@
 import org.apache.asterix.active.EntityId;
 import org.apache.asterix.active.NoRetryPolicyFactory;
 import org.apache.asterix.app.active.ActiveNotificationHandler;
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.common.api.IClusterManagementWork.ClusterState;
 import org.apache.asterix.common.api.IMetadataLockManager;
 import org.apache.asterix.common.cluster.IClusterStateManager;
@@ -53,7 +54,6 @@
 import org.apache.asterix.metadata.utils.MetadataLockUtil;
 import org.apache.asterix.runtime.functions.FunctionCollection;
 import org.apache.asterix.runtime.functions.FunctionManager;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.asterix.test.active.TestEventsListener.Behavior;
 import org.apache.asterix.test.base.TestMethodTracer;
 import org.apache.asterix.translator.IStatementExecutor;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveStatsTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveStatsTest.java
index c51fd95..cb123bf 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveStatsTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/active/ActiveStatsTest.java
@@ -37,6 +37,7 @@
 import org.apache.asterix.app.active.ActiveEntityEventsListener;
 import org.apache.asterix.app.active.ActiveNotificationHandler;
 import org.apache.asterix.app.cc.CCExtensionManager;
+import org.apache.asterix.app.cc.CcApplicationContext;
 import org.apache.asterix.app.nc.NCAppRuntimeContext;
 import org.apache.asterix.app.result.ResponsePrinter;
 import org.apache.asterix.common.exceptions.ErrorCode;
@@ -45,7 +46,6 @@
 import org.apache.asterix.external.operators.FeedIntakeOperatorNodePushable;
 import org.apache.asterix.metadata.declared.MetadataProvider;
 import org.apache.asterix.metadata.entities.Dataset;
-import org.apache.asterix.runtime.utils.CcApplicationContext;
 import org.apache.asterix.test.runtime.ExecutionTestUtil;
 import org.apache.asterix.translator.IStatementExecutor;
 import org.apache.asterix.translator.SessionOutput;
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestExecutor.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestExecutor.java
index 14784c5..04da930 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestExecutor.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestExecutor.java
@@ -326,7 +326,7 @@
 
     public void runScriptAndCompareWithResult(File scriptFile, File expectedFile, File actualFile,
             ComparisonEnum compare, Charset actualEncoding, String statement) throws Exception {
-        LOGGER.info("Expected results file: {} ", canonicalize(expectedFile));
+        LOGGER.info("Expected results file: {} ", canonicalize(expectedFile.getAbsolutePath()));
         boolean regex = false;
         if (expectedFile.getName().endsWith(".ignore")) {
             return; //skip the comparison
@@ -354,6 +354,9 @@
             } else if (actualFile.toString().endsWith(".unorderedtxt")) {
                 runScriptAndCompareWithResultUnorderedLinesText(scriptFile, readerExpected, readerActual);
                 return;
+            } else if (actualFile.toString().endsWith(".plan")) {
+                runScriptAndCompareWithResultPlan(scriptFile, readerExpected, readerActual);
+                return;
             }
 
             String lineExpected, lineActual;
@@ -404,24 +407,25 @@
             }
         } catch (Exception e) {
             if (!actualEncoding.equals(UTF_8)) {
-                LOGGER.info("Actual results file: {} encoding: {}", canonicalize(actualFile), actualEncoding);
+                LOGGER.info("Actual results file: {} encoding: {}", canonicalize(actualFile.getAbsolutePath()),
+                        actualEncoding);
             } else {
-                LOGGER.info("Actual results file: {}", canonicalize(actualFile));
+                LOGGER.info("Actual results file: {}", canonicalize(actualFile.getAbsolutePath()));
             }
             throw e;
         }
 
     }
 
-    private ComparisonException createLineChangedException(File scriptFile, String lineExpected, String lineActual,
-            int num) {
+    public static ComparisonException createLineChangedException(File scriptFile, String lineExpected,
+            String lineActual, int num) {
         return new ComparisonException("Result for " + canonicalize(scriptFile) + " changed at line " + num
                 + ":\nexpected < " + truncateIfLong(lineExpected) + "\nactual   > " + truncateIfLong(lineActual));
     }
 
-    private ComparisonException createLineNotFoundException(File scriptFile, String lineExpected) {
-        return new ComparisonException(
-                "Result for " + canonicalize(scriptFile) + " expected line not found: " + truncateIfLong(lineExpected));
+    public static ComparisonException createLineNotFoundException(File scriptFile, String lineExpected, int num) {
+        return new ComparisonException("Result for " + canonicalize(scriptFile) + " expected line at " + num
+                + " not found: " + truncateIfLong(lineExpected));
     }
 
     private ComparisonException createExpectedLinesNotReturnedException(File scriptFile, List<String> expectedLines) {
@@ -429,7 +433,7 @@
                 + String.join("\n", expectedLines));
     }
 
-    private String truncateIfLong(String string) {
+    private static String truncateIfLong(String string) {
         if (string.length() < TRUNCATE_THRESHOLD) {
             return string;
         }
@@ -636,10 +640,12 @@
         List<String> expectedLines = readerExpected.lines().collect(Collectors.toList());
         List<String> actualLines = readerActual.lines().collect(Collectors.toList());
 
+        int num = 1;
         for (String line : actualLines) {
             if (!expectedLines.remove(line)) {
-                throw createLineNotFoundException(scriptFile, line);
+                throw createLineNotFoundException(scriptFile, line, num);
             }
+            num++;
         }
 
         // number of expect > actual
@@ -648,6 +654,13 @@
         }
     }
 
+    public void runScriptAndCompareWithResultPlan(File scriptFile, BufferedReader readerExpected,
+            BufferedReader readerActual) throws Exception {
+        List<String> expectedLines = readerExpected.lines().collect(Collectors.toList());
+        List<String> actualLines = readerActual.lines().collect(Collectors.toList());
+        TestHelper.comparePlans(expectedLines, actualLines, scriptFile);
+    }
+
     // For tests where you simply want the byte-for-byte output.
     private static void writeOutputToFile(File actualFile, InputStream resultStream) throws Exception {
         final File parentDir = actualFile.getParentFile();
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestHelper.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestHelper.java
index fcab213..8d7f188 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestHelper.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/common/TestHelper.java
@@ -27,12 +27,15 @@
 import java.io.StringReader;
 import java.io.StringWriter;
 import java.util.BitSet;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -62,7 +65,8 @@
     private static final Logger LOGGER = LogManager.getLogger();
     private static final String TEST_DIR_BASE_PATH = System.getProperty("user.dir") + File.separator + "target";
     private static final String[] TEST_DIRS = new String[] { "txnLogDir", "IODevice", "spill_area", "config" };
-
+    private static final String PATTERN_VAR_ID_PREFIX = "\\$\\$";
+    private static final Pattern PATTERN_VAR_ID = Pattern.compile(PATTERN_VAR_ID_PREFIX + "(\\d+)");
     private static final ObjectMapper SORTED_MAPPER = new ObjectMapper();
     private static final ObjectWriter PRETTY_SORTED_WRITER;
 
@@ -309,4 +313,68 @@
         objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);
         return objectMapper;
     }
+
+    public static void comparePlans(List<String> linesExpected, List<String> linesActual, File queryFile)
+            throws Exception {
+        int varBaseExpected = findBaseVarId(linesExpected);
+        int varBaseActual = findBaseVarId(linesActual);
+
+        Iterator<String> readerExpected = linesExpected.iterator();
+        Iterator<String> readerActual = linesActual.iterator();
+        String lineExpected, lineActual;
+        int num = 1;
+        while (readerExpected.hasNext()) {
+            lineExpected = readerExpected.next();
+            if (!readerActual.hasNext()) {
+                throw TestExecutor.createLineNotFoundException(queryFile, lineExpected, num);
+            }
+            lineActual = readerActual.next();
+
+            if (!planLineEquals(lineExpected, varBaseExpected, lineActual, varBaseActual)) {
+                throw TestExecutor.createLineChangedException(queryFile, lineExpected, lineActual, num);
+            }
+            ++num;
+        }
+        if (readerActual.hasNext()) {
+            throw new Exception(
+                    "Result for " + queryFile + " changed at line " + num + ":\n< \n> " + readerActual.next());
+        }
+    }
+
+    private static boolean planLineEquals(String lineExpected, int varIdBaseExpected, String lineActual,
+            int varIdBaseActual) {
+        String lineExpectedNorm = normalizePlanLine(lineExpected, varIdBaseExpected);
+        String lineActualNorm = normalizePlanLine(lineActual, varIdBaseActual);
+        return lineExpectedNorm.equals(lineActualNorm);
+    }
+
+    // rewrite variable ids in given plan line: $$varId -> $$(varId-varIdBase)
+    private static String normalizePlanLine(String line, int varIdBase) {
+        if (varIdBase == Integer.MAX_VALUE) {
+            // plan did not contain any variables -> no rewriting necessary
+            return line;
+        }
+        Matcher m = PATTERN_VAR_ID.matcher(line);
+        StringBuilder sb = new StringBuilder(line.length());
+        while (m.find()) {
+            int varId = Integer.parseInt(m.group(1));
+            int newVarId = varId - varIdBase;
+            m.appendReplacement(sb, PATTERN_VAR_ID_PREFIX + newVarId);
+        }
+        m.appendTail(sb);
+        return sb.toString();
+    }
+
+    private static int findBaseVarId(Collection<String> plan) {
+        int varIdBase = Integer.MAX_VALUE;
+        Matcher m = PATTERN_VAR_ID.matcher("");
+        for (String line : plan) {
+            m.reset(line);
+            while (m.find()) {
+                int varId = Integer.parseInt(m.group(1));
+                varIdBase = Math.min(varIdBase, varId);
+            }
+        }
+        return varIdBase;
+    }
 }
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestLsmBTreeResourceFactoryProvider.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestLsmBTreeResourceFactoryProvider.java
index 2ee8fcf..fcc8bc6 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestLsmBTreeResourceFactoryProvider.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestLsmBTreeResourceFactoryProvider.java
@@ -86,7 +86,7 @@
                 filterCmpFactories, filterFields, opTrackerFactory, ioOpCallbackFactory, pageWriteCallbackFactory,
                 metadataPageManagerFactory, vbcProvider, ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties,
                 true, bloomFilterFields, bloomFilterFalsePositiveRate, index.isPrimaryIndex(), btreeFields,
-                bloomFilterFields != null);
+                bloomFilterFields != null, false);
     }
 
     private static ITypeTraits[] getTypeTraits(MetadataProvider metadataProvider, Dataset dataset, Index index,
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonLogicalPlanTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonLogicalPlanTest.java
index 65cbb9e..d68586a 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonLogicalPlanTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonLogicalPlanTest.java
@@ -27,8 +27,6 @@
 import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
 import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
 import java.util.Map;
 
 import org.apache.asterix.api.java.AsterixJavaClient;
@@ -63,7 +61,7 @@
 
     static {
         EXTENSION_RESULT = "plan.json";
-        PATH_ACTUAL = "target" + File.separator + "jplantest" + SEPARATOR;
+        PATH_ACTUAL = "target" + SEPARATOR + "jplantest" + SEPARATOR;
     }
 
     @Parameters(name = "JsonLogicalPlanTest {index}: {0}")
@@ -71,8 +69,8 @@
         return AbstractOptimizerTest.tests();
     }
 
-    public JsonLogicalPlanTest(final File queryFile, final File expectedFile, final File actualFile) {
-        super(queryFile, expectedFile, actualFile);
+    public JsonLogicalPlanTest(File queryFile, String expectedFilePath, File actualFile) {
+        super(queryFile, actualFile);
     }
 
     @Test
@@ -82,7 +80,7 @@
 
     @Override
     protected void runAndCompare(String query, ILangCompilationProvider provider, Map<String, IAObject> queryParams,
-            IHyracksClientConnection hcc, List<String> linesExpected) throws Exception {
+            IHyracksClientConnection hcc) throws Exception {
         FileUtils.writeStringToFile(actualFile, "", StandardCharsets.UTF_8);
         String planStr;
         try (PrintWriter plan = new PrintWriter(actualFile)) {
@@ -99,7 +97,7 @@
         }
 
         BufferedReader readerActual =
-                new BufferedReader(new InputStreamReader(new FileInputStream(actualFile), "UTF-8"));
+                new BufferedReader(new InputStreamReader(new FileInputStream(actualFile), StandardCharsets.UTF_8));
         String lineActual, objectActual = "";
         boolean firstPlan = false;
         while ((lineActual = readerActual.readLine()) != null) {
@@ -123,10 +121,4 @@
             readerActual.close();
         }
     }
-
-    @Override
-    protected List<String> getExpectedLines() {
-        // this test only checks the produced result is valid, so no expected results
-        return Collections.emptyList();
-    }
 }
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonOptimizedLogicalPlanTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonOptimizedLogicalPlanTest.java
index 7f78743..9bf03ec 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonOptimizedLogicalPlanTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/jsonplan/JsonOptimizedLogicalPlanTest.java
@@ -32,11 +32,11 @@
     static {
         EXTENSION_RESULT = "plan.json";
         optimized = true;
-        PATH_ACTUAL = "target" + File.separator + "joptplantest" + SEPARATOR;
+        PATH_ACTUAL = "target" + SEPARATOR + "joptplantest" + SEPARATOR;
     }
 
-    public JsonOptimizedLogicalPlanTest(File queryFile, File expectedFile, File actualFile) {
-        super(queryFile, expectedFile, actualFile);
+    public JsonOptimizedLogicalPlanTest(File queryFile, String expectedFilePath, File actualFile) {
+        super(queryFile, expectedFilePath, actualFile);
     }
 
     @Parameterized.Parameters(name = "JsonOptimizedLogicalPlanTest {index}: {0}")
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/AbstractOptimizerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/AbstractOptimizerTest.java
index 0fba54b..8126d1e 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/AbstractOptimizerTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/AbstractOptimizerTest.java
@@ -19,12 +19,10 @@
 package org.apache.asterix.test.optimizer;
 
 import java.io.File;
-import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -68,12 +66,11 @@
     protected static final String PATH_BASE =
             "src" + SEPARATOR + "test" + SEPARATOR + "resources" + SEPARATOR + "optimizerts" + SEPARATOR;
     protected static final String PATH_QUERIES = PATH_BASE + "queries" + SEPARATOR;
-    protected static final String PATH_EXPECTED = PATH_BASE + "results" + SEPARATOR;
     protected static String PATH_ACTUAL;
 
     protected static final ArrayList<String> ignore = AsterixTestHelper.readTestListFile(FILENAME_IGNORE, PATH_BASE);
     protected static final ArrayList<String> only = AsterixTestHelper.readTestListFile(FILENAME_ONLY, PATH_BASE);
-    protected static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+    protected static String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
     protected static final ILangCompilationProvider sqlppCompilationProvider = new SqlppCompilationProvider();
     protected static ILangCompilationProvider extensionLangCompilationProvider = null;
     protected static IStatementExecutorFactory statementExecutorFactory = new DefaultStatementExecutorFactory();
@@ -123,9 +120,8 @@
         }
         if (file.isFile() && file.getName().endsWith(EXTENSION_SQLPP)) {
             String resultFileName = AsterixTestHelper.extToResExt(file.getName(), EXTENSION_RESULT);
-            File expectedFile = new File(PATH_EXPECTED + path + resultFileName);
             File actualFile = new File(PATH_ACTUAL + SEPARATOR + path + resultFileName);
-            testArgs.add(new Object[] { file, expectedFile, actualFile });
+            testArgs.add(new Object[] { file, path + resultFileName, actualFile });
         }
     }
 
@@ -143,20 +139,15 @@
     }
 
     protected final File actualFile;
-    protected final File expectedFile;
     protected final File queryFile;
 
-    public AbstractOptimizerTest(final File queryFile, final File expectedFile, final File actualFile) {
+    public AbstractOptimizerTest(final File queryFile, final File actualFile) {
         this.queryFile = queryFile;
-        this.expectedFile = expectedFile;
         this.actualFile = actualFile;
     }
 
     protected abstract void runAndCompare(String query, ILangCompilationProvider provider,
-            Map<String, IAObject> queryParams, IHyracksClientConnection hcc, List<String> linesExpected)
-            throws Exception;
-
-    protected abstract List<String> getExpectedLines() throws IOException;
+            Map<String, IAObject> queryParams, IHyracksClientConnection hcc) throws Exception;
 
     @Test
     public void test() throws Exception {
@@ -202,11 +193,10 @@
                 provider = extensionLangCompilationProvider;
             }
             IHyracksClientConnection hcc = integrationUtil.getHyracksClientConnection();
-            List<String> linesExpected = getExpectedLines();
             if (repeat) {
-                runAndRepeat(placeholder, substitutions, query, provider, queryParams, hcc, linesExpected);
+                runAndRepeat(placeholder, substitutions, query, provider, queryParams, hcc);
             } else {
-                runAndCompare(query, provider, queryParams, hcc, linesExpected);
+                runAndCompare(query, provider, queryParams, hcc);
             }
 
             LOGGER.info("Test \"" + queryFile.getPath() + "\" PASSED!");
@@ -222,16 +212,16 @@
     }
 
     private void runAndRepeat(String placeholder, JsonNode substitutions, String query,
-            ILangCompilationProvider provider, Map<String, IAObject> queryParams, IHyracksClientConnection hcc,
-            List<String> linesExpected) throws Exception {
+            ILangCompilationProvider provider, Map<String, IAObject> queryParams, IHyracksClientConnection hcc)
+            throws Exception {
         if (substitutions.isArray()) {
             for (int i = 0, size = substitutions.size(); i < size; i++) {
                 String substitute = substitutions.get(i).asText();
                 String newQuery = query.replaceAll(placeholder, substitute);
-                runAndCompare(newQuery, provider, queryParams, hcc, linesExpected);
+                runAndCompare(newQuery, provider, queryParams, hcc);
             }
         } else {
-            runAndCompare(query, provider, queryParams, hcc, linesExpected);
+            runAndCompare(query, provider, queryParams, hcc);
         }
     }
 }
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/CBOOptimizerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/CBOOptimizerTest.java
new file mode 100644
index 0000000..a5a99d9
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/CBOOptimizerTest.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.optimizer;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.List;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+/**
+ * Runs the optimization tests with CBO enabled. It compares a test's actual result against the expected result in
+ * {@link CBOOptimizerTest#CBO_PATH_EXPECTED} if one is provided. Otherwise, it compares against the expected result in
+ * {@link OptimizerTest#PATH_EXPECTED}.
+ */
+@RunWith(Parameterized.class)
+public class CBOOptimizerTest extends OptimizerTest {
+
+    private static final String CBO_PATH_EXPECTED = PATH_BASE + "results_cbo" + SEPARATOR;
+    static {
+        TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+        EXTENSION_RESULT = "plan";
+        PATH_ACTUAL = "target" + SEPARATOR + "cbo_opttest" + SEPARATOR;
+    }
+
+    @Parameters(name = "CBOOptimizerTest {index}: {0}")
+    public static Collection<Object[]> tests() {
+        return AbstractOptimizerTest.tests();
+    }
+
+    public CBOOptimizerTest(File queryFile, String expectedFilePath, File actualFile) {
+        super(queryFile, expectedFilePath, actualFile);
+    }
+
+    @Override
+    protected List<String> getExpectedLines() throws IOException {
+        Path cboFilePath = Path.of(CBO_PATH_EXPECTED, expectedFilePath);
+        return Files.exists(cboFilePath) ? Files.readAllLines(cboFilePath, StandardCharsets.UTF_8)
+                : super.getExpectedLines();
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/OptimizerTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/OptimizerTest.java
index a89585d..6a85e0c 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/OptimizerTest.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/optimizer/OptimizerTest.java
@@ -24,17 +24,16 @@
 import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Collection;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.apache.asterix.api.java.AsterixJavaClient;
 import org.apache.asterix.common.dataflow.ICcApplicationContext;
 import org.apache.asterix.compiler.provider.ILangCompilationProvider;
 import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.test.common.TestHelper;
 import org.apache.commons.io.FileUtils;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
@@ -51,12 +50,13 @@
 @RunWith(Parameterized.class)
 public class OptimizerTest extends AbstractOptimizerTest {
 
-    private static final String PATTERN_VAR_ID_PREFIX = "\\$\\$";
-    private static final Pattern PATTERN_VAR_ID = Pattern.compile(PATTERN_VAR_ID_PREFIX + "(\\d+)");
+    protected static final String PATH_EXPECTED = PATH_BASE + "results" + SEPARATOR;
+    protected String expectedFilePath;
 
     static {
+        TEST_CONFIG_FILE_NAME = "src/main/resources/cc_no_cbo.conf";
         EXTENSION_RESULT = "plan";
-        PATH_ACTUAL = "target" + File.separator + "opttest" + SEPARATOR;
+        PATH_ACTUAL = "target" + SEPARATOR + "opttest" + SEPARATOR;
     }
 
     @Parameters(name = "OptimizerTest {index}: {0}")
@@ -64,8 +64,9 @@
         return AbstractOptimizerTest.tests();
     }
 
-    public OptimizerTest(final File queryFile, final File expectedFile, final File actualFile) {
-        super(queryFile, expectedFile, actualFile);
+    public OptimizerTest(File queryFile, String expectedFilePath, File actualFile) {
+        super(queryFile, actualFile);
+        this.expectedFilePath = expectedFilePath;
     }
 
     @Test
@@ -75,7 +76,7 @@
 
     @Override
     protected void runAndCompare(String query, ILangCompilationProvider provider, Map<String, IAObject> queryParams,
-            IHyracksClientConnection hcc, List<String> linesExpected) throws Exception {
+            IHyracksClientConnection hcc) throws Exception {
         FileUtils.writeStringToFile(actualFile, "", StandardCharsets.UTF_8);
         try (PrintWriter plan = new PrintWriter(actualFile)) {
             AsterixJavaClient asterix = new AsterixJavaClient(
@@ -88,72 +89,11 @@
         }
 
         List<String> linesActual = Files.readAllLines(actualFile.toPath(), StandardCharsets.UTF_8);
-
-        int varBaseExpected = findBaseVarId(linesExpected);
-        int varBaseActual = findBaseVarId(linesActual);
-
-        Iterator<String> readerExpected = linesExpected.iterator();
-        Iterator<String> readerActual = linesActual.iterator();
-        String lineExpected, lineActual;
-        int num = 1;
-        while (readerExpected.hasNext()) {
-            lineExpected = readerExpected.next();
-            if (!readerActual.hasNext()) {
-                throw new Exception(
-                        "Result for " + queryFile + " changed at line " + num + ":\n< " + lineExpected + "\n> ");
-            }
-            lineActual = readerActual.next();
-
-            if (!planLineEquals(lineExpected, varBaseExpected, lineActual, varBaseActual)) {
-                throw new Exception("Result for " + queryFile + " changed at line " + num + ":\n< " + lineExpected
-                        + "\n> " + lineActual);
-            }
-            ++num;
-        }
-        if (readerActual.hasNext()) {
-            throw new Exception(
-                    "Result for " + queryFile + " changed at line " + num + ":\n< \n> " + readerActual.next());
-        }
+        List<String> linesExpected = getExpectedLines();
+        TestHelper.comparePlans(linesExpected, linesActual, queryFile);
     }
 
-    @Override
     protected List<String> getExpectedLines() throws IOException {
-        return Files.readAllLines(expectedFile.toPath(), StandardCharsets.UTF_8);
-    }
-
-    private boolean planLineEquals(String lineExpected, int varIdBaseExpected, String lineActual, int varIdBaseActual) {
-        String lineExpectedNorm = normalizePlanLine(lineExpected, varIdBaseExpected);
-        String lineActualNorm = normalizePlanLine(lineActual, varIdBaseActual);
-        return lineExpectedNorm.equals(lineActualNorm);
-    }
-
-    // rewrite variable ids in given plan line: $$varId -> $$(varId-varIdBase)
-    private String normalizePlanLine(String line, int varIdBase) {
-        if (varIdBase == Integer.MAX_VALUE) {
-            // plan did not contain any variables -> no rewriting necessary
-            return line;
-        }
-        Matcher m = PATTERN_VAR_ID.matcher(line);
-        StringBuffer sb = new StringBuffer(line.length());
-        while (m.find()) {
-            int varId = Integer.parseInt(m.group(1));
-            int newVarId = varId - varIdBase;
-            m.appendReplacement(sb, PATTERN_VAR_ID_PREFIX + newVarId);
-        }
-        m.appendTail(sb);
-        return sb.toString();
-    }
-
-    private int findBaseVarId(Collection<String> plan) {
-        int varIdBase = Integer.MAX_VALUE;
-        Matcher m = PATTERN_VAR_ID.matcher("");
-        for (String line : plan) {
-            m.reset(line);
-            while (m.find()) {
-                int varId = Integer.parseInt(m.group(1));
-                varIdBase = Math.min(varIdBase, varId);
-            }
-        }
-        return varIdBase;
+        return Files.readAllLines(Path.of(PATH_EXPECTED, expectedFilePath), StandardCharsets.UTF_8);
     }
 }
diff --git a/asterixdb/asterix-app/src/test/resources/cc-compression.conf b/asterixdb/asterix-app/src/test/resources/cc-compression.conf
index c8d9780..373d9bb 100644
--- a/asterixdb/asterix-app/src/test/resources/cc-compression.conf
+++ b/asterixdb/asterix-app/src/test/resources/cc-compression.conf
@@ -47,6 +47,8 @@
 
 [common]
 log.level = INFO
+compiler.cbo=false
+compiler.cbotest=true
 compiler.framesize=32KB
 compiler.sortmemory=320KB
 compiler.groupmemory=160KB
diff --git a/asterixdb/asterix-app/src/test/resources/cc-ssl.conf b/asterixdb/asterix-app/src/test/resources/cc-ssl.conf
index 499e9fc..ff7e73b 100644
--- a/asterixdb/asterix-app/src/test/resources/cc-ssl.conf
+++ b/asterixdb/asterix-app/src/test/resources/cc-ssl.conf
@@ -59,6 +59,8 @@
 [common]
 log.dir = logs/
 log.level = INFO
+compiler.cbo=false
+compiler.cbotest=true
 compiler.framesize=32KB
 compiler.sortmemory=320KB
 compiler.groupmemory=160KB
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query1.sqlpp
similarity index 61%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query1.sqlpp
index 6095b26..0412602 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query1.sqlpp
@@ -16,9 +16,24 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+CREATE TYPE GenericType AS { _id: uuid };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
 
-select value v from range(1,2) v where v > ?;
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+
+FROM   KSI k
+WHERE  (ANY v IN k.uarr_i SATISFIES v.a = 284 AND
+                                    v.b = 263)
+SELECT *;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query2.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query2.sqlpp
new file mode 100644
index 0000000..2f2bb8a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-indexes/query2.sqlpp
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
+
+CREATE TYPE GenericType AS { _id: uuid };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index3 ON KSI (
+    UNNEST uarr_i
+    SELECT c : bigint
+) EXCLUDE UNKNOWN KEY;
+
+FROM   KSI k
+WHERE  (ANY v IN k.uarr_i SATISFIES v.a = 284 AND
+                                    v.b = 263 AND
+                                    v.c = 123 )
+SELECT *;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query10.sqlpp
similarity index 60%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query10.sqlpp
index 6095b26..45a00b8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query10.sqlpp
@@ -16,9 +16,22 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+SET               `compiler.arrayindex` "true";
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+DROP DATAVERSE    TestDataverse IF EXISTS;
+CREATE DATAVERSE  TestDataverse;
+USE               TestDataverse;
 
-select value v from range(1,2) v where v > ?;
+CREATE TYPE       TestType AS {
+    _id: uuid
+};
+CREATE DATASET    Dataset1 (TestType)
+PRIMARY KEY        _id AUTOGENERATED;
+CREATE INDEX      d1Idx
+ON                Dataset1 ( UNNEST items: string )
+EXCLUDE UNKNOWN KEY;
+
+-- Quantification in subplan, open index.
+FROM       Dataset1 D1
+WHERE      TRUE IN [ D1.val = "a", "b" IN D1.items ]
+SELECT     *;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query11.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query11.sqlpp
new file mode 100644
index 0000000..adc5607
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-quantified-queries/multiple-quantifiers/query11.sqlpp
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+SET               `compiler.arrayindex` "true";
+
+DROP DATAVERSE    TestDataverse IF EXISTS;
+CREATE DATAVERSE  TestDataverse;
+USE               TestDataverse;
+
+CREATE TYPE       TestType AS {
+    _id: uuid
+};
+CREATE DATASET    Dataset1 (TestType)
+PRIMARY KEY        _id AUTOGENERATED;
+CREATE INDEX      d1Idx
+ON                Dataset1 ( UNNEST items: string )
+EXCLUDE UNKNOWN KEY;
+
+-- Quantification nested in two subplans, open index.
+FROM       Dataset1 D1
+WHERE      TRUE IN [ D1.val = "a", TRUE IN [ D1.val2 = "c", "b" IN D1.items ] ]
+SELECT     *;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query1.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query1.sqlpp
index 6095b26..687ac95 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query1.sqlpp
@@ -16,9 +16,25 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+CREATE TYPE GenericType AS { _id: uuid };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
 
-select value v from range(1,2) v where v > ?;
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+
+FROM   KSI k
+UNNEST k.uarr_i v
+WHERE  v.a = 284 AND
+       v.b = 263
+SELECT *;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query2.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query2.sqlpp
new file mode 100644
index 0000000..b1d7640
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/array-index/select-unnest-queries/open/multiple-indexes/query2.sqlpp
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
+
+CREATE TYPE GenericType AS { _id: uuid };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index3 ON KSI (
+    UNNEST uarr_i
+    SELECT c : bigint
+) EXCLUDE UNKNOWN KEY;
+
+FROM   KSI k
+UNNEST k.uarr_i v
+WHERE  v.a = 284 AND
+       v.b = 263 AND
+       v.c = 123
+SELECT *;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-index-selection/cast-default-null/cast-default-null-25.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-index-selection/cast-default-null/cast-default-null-25.sqlpp
new file mode 100644
index 0000000..9c28038
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-index-selection/cast-default-null/cast-default-null-25.sqlpp
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// repeat_exec: %with% = ["", "WITH {'merge-policy': {'name': 'correlated-prefix','parameters': { 'max-mergable-component-size': 16384, 'max-tolerance-component-count': 3 }}}" ]
+DROP DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE test;
+
+// Similar to cast-default-null-20.sqlpp but with s_f2 being not optional
+CREATE TYPE t1 AS { id: int, s_f1: string, s_f2: string, i_f: int? };
+CREATE DATASET ds7(t1) PRIMARY KEY id %with%;
+
+CREATE INDEX idx1 ON ds7(s_f2);
+CREATE INDEX idx2 ON ds7(s_f2: string) CAST (DEFAULT NULL);
+CREATE INDEX idx3 ON ds7(s_f2: int) CAST (DEFAULT NULL);
+
+CREATE VIEW view7_1(id int, s_f2 string, i_f int) DEFAULT NULL AS SELECT id, s_f2, i_f FROM ds7;
+CREATE VIEW view7_2(id int, s_f2 int, i_f int) DEFAULT NULL AS SELECT id, s_f2, i_f FROM ds7;
+
+USE test;
+// index idx2 should (still) be used
+SELECT id, s_f2 FROM view7_1 WHERE s_f2 < "4" ORDER BY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-ternary-inlj/query4.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-ternary-inlj/query4.sqlpp
new file mode 100644
index 0000000..fae9ea4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/btree-ternary-inlj/query4.sqlpp
@@ -0,0 +1,194 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Description: ASTERIXDB-3043. Part of q18 of tpcds.
+ */
+
+DROP DATAVERSE tpcds IF EXISTS;
+CREATE DATAVERSE tpcds;
+
+USE tpcds;
+
+CREATE TYPE tpcds.catalog_sales_type AS
+ CLOSED {
+  cs_sold_date_sk:           bigint?,
+  cs_sold_time_sk:           bigint?,
+  cs_ship_date_sk:           bigint?,
+  cs_bill_customer_sk:       bigint?,
+  cs_bill_cdemo_sk:          bigint?,
+  cs_bill_hdemo_sk:          bigint?,
+  cs_bill_addr_sk:           bigint?,
+  cs_ship_customer_sk:       bigint?,
+  cs_ship_cdemo_sk:          bigint?,
+  cs_ship_hdemo_sk:          bigint?,
+  cs_ship_addr_sk:           bigint?,
+  cs_call_center_sk:         bigint?,
+  cs_catalog_page_sk:        bigint?,
+  cs_ship_mode_sk:           bigint?,
+  cs_warehouse_sk:           bigint?,
+  cs_item_sk:                bigint,
+  cs_promo_sk:               bigint?,
+  cs_order_number:           bigint,
+  cs_quantity:               bigint?,
+  cs_wholesale_cost:         double?,
+  cs_list_price:             double?,
+  cs_sales_price:            double?,
+  cs_ext_discount_amt:       double?,
+  cs_ext_sales_price:        double?,
+  cs_ext_wholesale_cost:     double?,
+  cs_ext_list_price:         double?,
+  cs_ext_tax:                double?,
+  cs_coupon_amt:             double?,
+  cs_ext_ship_cost:          double?,
+  cs_net_paid:               double?,
+  cs_net_paid_inc_tax:       double?,
+  cs_net_paid_inc_ship:      double?,
+  cs_net_paid_inc_ship_tax:  double?,
+  cs_net_profit:             double?
+};
+
+CREATE TYPE tpcds.customer_demographics_type AS
+ CLOSED {
+  cd_demo_sk : int64,
+  cd_gender : string?,
+  cd_marital_status : string?,
+  cd_education_status : string?,
+  cd_purchase_estimate : int64?,
+  cd_credit_rating : string?,
+  cd_dep_count : int64?,
+  cd_dep_employed_count : int64?,
+  cd_dep_college_count : int64?
+};
+
+CREATE TYPE tpcds.customer_type AS
+ CLOSED {
+  c_customer_sk : int64,
+  c_customer_id : string,
+  c_current_cdemo_sk : int64?,
+  c_current_hdemo_sk : int64?,
+  c_current_addr_sk : int64?,
+  c_first_shipto_date_sk : int64?,
+  c_first_sales_date_sk : int64?,
+  c_salutation : string?,
+  c_first_name : string?,
+  c_last_name : string?,
+  c_preferred_cust_flag : string?,
+  c_birth_day : int64?,
+  c_birth_month : int64?,
+  c_birth_year : int64?,
+  c_birth_country : string?,
+  c_login : string?,
+  c_email_address : string?,
+  c_last_review_date : string?
+};
+
+CREATE TYPE tpcds.customer_address_type AS
+ CLOSED {
+  ca_address_sk : bigint,
+  ca_address_id : string,
+  ca_street_number : string?,
+  ca_street_name : string?,
+  ca_street_type : string?,
+  ca_suite_number : string?,
+  ca_city : string?,
+  ca_county : string?,
+  ca_state : string?,
+  ca_zip : string?,
+  ca_country : string?,
+  ca_gmt_offset : double?,
+  ca_location_type : string?
+ };
+
+CREATE TYPE tpcds.item_type AS
+ CLOSED {
+  i_item_sk : bigint,
+  i_item_id : string,
+  i_rec_start_date : string?,
+  i_rec_end_date : string?,
+  i_item_desc : string?,
+  i_current_price : double?,
+  i_wholesale_cost : double?,
+  i_brand_id : bigint?,
+  i_brand : string?,
+  i_class_id : bigint?,
+  i_class : string?,
+  i_category_id : bigint?,
+  i_category : string?,
+  i_manufact_id : bigint?,
+  i_manufact : string?,
+  i_size : string?,
+  i_formulation : string?,
+  i_color : string?,
+  i_units : string?,
+  i_container : string?,
+  i_manager_id : bigint?,
+  i_product_name : string?
+};
+
+CREATE TYPE tpcds.date_dim_type AS
+ CLOSED {
+  d_date_sk : bigint,
+  d_date_id : string,
+  d_date : string?,
+  d_month_seq : bigint?,
+  d_week_seq : bigint?,
+  d_quarter_seq : bigint?,
+  d_year : bigint? ,
+  d_dow : bigint? ,
+  d_moy : bigint?,
+  d_dom : bigint?,
+  d_qoy : bigint?,
+  d_fy_year : bigint?,
+  d_fy_quarter_seq : bigint?,
+  d_fy_week_seq : bigint?,
+  d_day_name : string?,
+  d_quarter_name : string?,
+  d_holiday : string?,
+  d_weekend : string?,
+  d_following_holiday : string?,
+  d_first_dom : bigint?,
+  d_last_dom : bigint?,
+  d_same_day_ly : bigint?,
+  d_same_day_lq : bigint?,
+  d_current_day : string?,
+  d_current_week : string?,
+  d_current_month : string?,
+  d_current_quarter : string?,
+  d_current_year : string?
+};
+
+CREATE DATASET catalog_sales(catalog_sales_type) PRIMARY KEY cs_item_sk, cs_order_number;
+
+CREATE DATASET customer_demographics(customer_demographics_type) PRIMARY KEY cd_demo_sk;
+
+CREATE DATASET customer(customer_type) PRIMARY KEY c_customer_sk;
+
+CREATE DATASET customer_address(customer_address_type) PRIMARY KEY ca_address_sk;
+
+CREATE DATASET item(item_type) PRIMARY KEY i_item_sk;
+
+CREATE DATASET date_dim(date_dim_type) PRIMARY KEY d_date_sk;
+
+SELECT count (*)
+FROM customer c, customer_demographics cd2, customer_address ca
+WHERE
+ c.c_current_cdemo_sk  /*+ indexnl */ = cd2.cd_demo_sk
+ AND c.c_current_addr_sk  /*+ indexnl */= ca.ca_address_sk
+ AND c.c_birth_month in [4,5];
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/extract-common-operators/extract-common-operators.01.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/extract-common-operators/extract-common-operators.01.sqlpp
new file mode 100644
index 0000000..11c7325
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/extract-common-operators/extract-common-operators.01.sqlpp
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * test fix for ASTERIXDB-3075
+ */
+
+LET dv_name = ["test2", "test1"], ds_name = ["ds2", "ds1"], syn_name = [ "syn2", "syn1" ],
+synonym_names = (SELECT s.SynonymName, s.ObjectName
+                 FROM Metadata.`Synonym` s, syn_name
+                 WHERE s.SynonymName = syn_name),
+
+dataset_ds_dv_names = (SELECT d.DatasetName, d.DataverseName
+                       FROM Metadata.`Dataset` d, (SELECT * FROM ds_name, dv_name) AS ds_dv_names
+                       WHERE d.DatasetName = ds_dv_names.ds_name AND d.DataverseName = ds_dv_names.dv_name),
+
+dataset_dv_ds_names = (SELECT d.DatasetName, d.DataverseName
+                       FROM Metadata.`Dataset` d, (SELECT * FROM dv_name, ds_name) AS dv_ds_names
+                       WHERE d.DatasetName = dv_ds_names.ds_name AND d.DataverseName = dv_ds_names.dv_name),
+
+left_branch = (SELECT s.SynonymName, s.DataverseName, s.ObjectName
+               FROM Metadata.`Synonym` s LEFT OUTER JOIN dataset_dv_ds_names
+               ON dataset_dv_ds_names.DatasetName = s.ObjectName
+               ORDER BY s.DataverseName, s.SynonymName),
+
+right_branch = (SELECT synonym_names.SynonymName
+                FROM synonym_names LEFT OUTER JOIN dataset_ds_dv_names
+                ON dataset_ds_dv_names.DatasetName = synonym_names.ObjectName)
+
+FROM left_branch lb LEFT OUTER JOIN right_branch rb
+ON lb.ObjectName = rb.SynonymName
+SELECT lb.DataverseName, lb.SynonymName
+ORDER BY lb.DataverseName, lb.SynonymName;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_1.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_1.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_1.sqlpp
rename to asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_1.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_2.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_2.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_2.sqlpp
rename to asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_2.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_3.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_3.sqlpp
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_hint_3.sqlpp
rename to asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_3.sqlpp
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_4.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_4.sqlpp
new file mode 100644
index 0000000..39a04ec
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_4.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test enhanced broadcast join hint
+*                /*+ hash-bcast */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast */ = o.o_custkey;
+
+
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_5.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_5.sqlpp
new file mode 100644
index 0000000..e6d50ca
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_5.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test enhanced broadcast join hint
+*                /*+ hash-bcast (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast (o) */ = o.o_custkey;
+
+
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_6.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_6.sqlpp
new file mode 100644
index 0000000..bf700cd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_6.sqlpp
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test enhanced broadcast join hint
+*                /*+ hash-bcast */
+*                /*+ hash-bcast (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast (c) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_7.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_7.sqlpp
new file mode 100644
index 0000000..ab9c099
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/broadcast_join_hint/broadcast_join_hint_7.sqlpp
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test enhanced broadcast join hint
+*                /*+ hash-bcast */
+*                /*+ hash-bcast (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast (n) */ = o.o_custkey;
+
+
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_1.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_1.sqlpp
new file mode 100644
index 0000000..de52a17
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_1.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build (o) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_2.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_2.sqlpp
new file mode 100644
index 0000000..b961d3a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_2.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build (c) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_3.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_3.sqlpp
new file mode 100644
index 0000000..67f074f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_3.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build (n) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_4.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_4.sqlpp
new file mode 100644
index 0000000..47cf50c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_4.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe (o) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_5.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_5.sqlpp
new file mode 100644
index 0000000..31af68b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_5.sqlpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe (c) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_6.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_6.sqlpp
new file mode 100644
index 0000000..de36c1f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/hints/hashjoin_hint/hashjoin_hint_6.sqlpp
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test hash join hint
+*                /*+ hashjoin build (<collection_name>) */
+*                /*+ hashjoin probe (<collection_name>) */
+* Expected Res : Success
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
+
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe (n) */ = o.o_custkey;
+
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_1.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_1.sqlpp
new file mode 100644
index 0000000..e0b4ba4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_1.sqlpp
@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Test the fix for nested loop join delivered partitioning property ASTERIXDB-3066
+ */
+
+DROP DATAVERSE tpch IF EXISTS;
+CREATE DATAVERSE tpch;
+
+USE tpch;
+
+CREATE TYPE tpch.SupplierType AS
+ CLOSED {
+  s_suppkey : bigint,
+  s_name : string,
+  s_address : string,
+  s_nationkey : bigint,
+  s_phone : string,
+  s_acctbal : double,
+  s_comment : string
+};
+
+CREATE TYPE tpch.PartType AS
+ CLOSED {
+  p_partkey : bigint,
+  p_name : string,
+  p_mfgr : string,
+  p_brand : string,
+  p_type : string,
+  p_size : bigint,
+  p_container : string,
+  p_retailprice : double,
+  p_comment : string
+};
+
+CREATE TYPE tpch.PartSuppType AS
+ CLOSED {
+  ps_partkey : bigint,
+  ps_suppkey : bigint,
+  ps_availqty : bigint,
+  ps_supplycost : double,
+  ps_comment : string
+};
+
+CREATE DATASET Supplier(SupplierType) PRIMARY KEY s_suppkey;
+CREATE DATASET Part(PartType) PRIMARY KEY p_partkey;
+CREATE DATASET Partsupp(PartSuppType) PRIMARY KEY ps_partkey,ps_suppkey;
+
+CREATE INDEX partsupp_fk_part ON Partsupp (ps_partkey);
+CREATE INDEX partsupp_fk_supplier ON Partsupp (ps_suppkey);
+
+FROM Supplier s JOIN (FROM Partsupp ps, Part p SELECT ps.ps_suppkey AS suppkey) AS p_ps
+ON s.s_suppkey /*+ hash-bcast */ = p_ps.suppkey
+SELECT count(*) AS count;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_2.sqlpp b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_2.sqlpp
new file mode 100644
index 0000000..8b9a5bf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/queries/joins/nlj_partitioning_property_2.sqlpp
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Test the fix for nested loop join delivered partitioning property ASTERIXDB-3066
+ */
+
+DROP DATAVERSE tpch IF EXISTS;
+CREATE DATAVERSE tpch;
+
+USE tpch;
+
+CREATE TYPE tpch.SupplierType AS
+ CLOSED {
+  s_suppkey : bigint,
+  s_name : string,
+  s_address : string,
+  s_nationkey : bigint,
+  s_phone : string,
+  s_acctbal : double,
+  s_comment : string
+};
+
+CREATE TYPE tpch.PartType AS
+ CLOSED {
+  p_partkey : bigint,
+  p_name : string,
+  p_mfgr : string,
+  p_brand : string,
+  p_type : string,
+  p_size : bigint,
+  p_container : string,
+  p_retailprice : double,
+  p_comment : string
+};
+
+CREATE TYPE tpch.PartSuppType AS
+ CLOSED {
+  ps_partkey : bigint,
+  ps_suppkey : bigint,
+  ps_availqty : bigint,
+  ps_supplycost : double,
+  ps_comment : string
+};
+
+CREATE DATASET Supplier(SupplierType) PRIMARY KEY s_suppkey;
+CREATE DATASET Part(PartType) PRIMARY KEY p_partkey;
+CREATE DATASET Partsupp(PartSuppType) PRIMARY KEY ps_partkey,ps_suppkey;
+
+CREATE INDEX partsupp_fk_part ON Partsupp (ps_partkey);
+CREATE INDEX partsupp_fk_supplier ON Partsupp (ps_suppkey);
+
+USE tpch;
+
+FROM Supplier s JOIN (FROM Partsupp ps, Part p SELECT ps.ps_suppkey AS suppkey) AS p_ps ON TRUE
+SELECT count(*) AS count;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
index 0f996d1..efd14f7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
@@ -34,98 +34,48 @@
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- PRE_CLUSTERED_GROUP_BY[$$252]  |PARTITIONED|
+                                          {
+                                            -- AGGREGATE  |LOCAL|
+                                              -- STREAM_SELECT  |LOCAL|
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                          }
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- PRE_CLUSTERED_GROUP_BY[$$253]  |PARTITIONED|
-                                              {
-                                                -- AGGREGATE  |LOCAL|
-                                                  -- STREAM_SELECT  |LOCAL|
-                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                              }
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STABLE_SORT [$$253(ASC)]  |PARTITIONED|
-                                            -- HASH_PARTITION_EXCHANGE [$$253]  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
+                                      -- STABLE_SORT [$$252(ASC)]  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$252]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- HYBRID_HASH_JOIN [$$251][$$222]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- HYBRID_HASH_JOIN [$$309][$$222]  |PARTITIONED|
-                                                    -- HASH_PARTITION_EXCHANGE [$$309]  |PARTITIONED|
-                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- UNNEST  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- PRE_CLUSTERED_GROUP_BY[$$317]  |PARTITIONED|
-                                                                        {
-                                                                          -- AGGREGATE  |LOCAL|
-                                                                            -- MICRO_PRE_CLUSTERED_GROUP_BY[$$319, $$321]  |LOCAL|
-                                                                                    {
-                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                    }
-                                                                              -- STREAM_SELECT  |LOCAL|
-                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                        }
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- STABLE_SORT [$$317(ASC), $$319(ASC), $$321(ASC)]  |PARTITIONED|
-                                                                      -- HASH_PARTITION_EXCHANGE [$$317]  |PARTITIONED|
-                                                                        -- UNION_ALL  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- SPLIT  |PARTITIONED|
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- NESTED_LOOP  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- NESTED_LOOP  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- ASSIGN  |UNPARTITIONED|
-                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- STABLE_SORT [$$260(ASC)]  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                          -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
+                                                  -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- UNNEST  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- PRE_CLUSTERED_GROUP_BY[$$313]  |PARTITIONED|
+                                                                  {
+                                                                    -- AGGREGATE  |LOCAL|
+                                                                      -- MICRO_PRE_CLUSTERED_GROUP_BY[$$315, $$316]  |LOCAL|
+                                                                              {
+                                                                                -- AGGREGATE  |LOCAL|
+                                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                              }
+                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                  }
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- STABLE_SORT [$$313(ASC), $$315(ASC), $$316(ASC)]  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$313]  |PARTITIONED|
+                                                                  -- UNION_ALL  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                         -- SPLIT  |PARTITIONED|
@@ -133,20 +83,18 @@
                                                                                             -- STREAM_PROJECT  |PARTITIONED|
                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                 -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                     -- ASSIGN  |PARTITIONED|
                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                         -- NESTED_LOOP  |PARTITIONED|
                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                             -- NESTED_LOOP  |PARTITIONED|
                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- ASSIGN  |UNPARTITIONED|
-                                                                                                                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                                                               -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                                 -- ASSIGN  |PARTITIONED|
                                                                                                                   -- STREAM_SELECT  |PARTITIONED|
@@ -154,7 +102,7 @@
                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                         -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- STABLE_SORT [$$260(ASC)]  |PARTITIONED|
+                                                                                                                            -- STABLE_SORT [$$259(ASC)]  |PARTITIONED|
                                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -168,22 +116,67 @@
                                                                                                                 -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                    -- HASH_PARTITION_EXCHANGE [$$222]  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- SPLIT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
+                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- NESTED_LOOP  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- NESTED_LOOP  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- STABLE_SORT [$$259(ASC)]  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
+                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$222]  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- HYBRID_HASH_JOIN [$$233, $$235][$$224, $$225]  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$233, $$235]  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelBrokerSubscriptions)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- HYBRID_HASH_JOIN [$$233, $$235][$$224, $$225]  |PARTITIONED|
-                                                              -- HASH_PARTITION_EXCHANGE [$$233, $$235]  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (channels.Broker)  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelBrokerSubscriptions)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (channels.Broker)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query1.plan
new file mode 100644
index 0000000..0d37f51
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query1.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- SUBPLAN  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- STREAM_SELECT  |LOCAL|
+                            -- ASSIGN  |LOCAL|
+                              -- UNNEST  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- INTERSECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$40(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$44(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query2.plan
new file mode 100644
index 0000000..b793939
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-indexes/query2.plan
@@ -0,0 +1,54 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- SUBPLAN  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- STREAM_SELECT  |LOCAL|
+                            -- ASSIGN  |LOCAL|
+                              -- UNNEST  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- INTERSECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$47(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.KSI.KS1_array_index3)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query10.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query10.plan
new file mode 100644
index 0000000..50d2d2d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query10.plan
@@ -0,0 +1,36 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- SUBPLAN  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- STREAM_SELECT  |LOCAL|
+                            -- UNNEST  |LOCAL|
+                              -- SUBPLAN  |LOCAL|
+                                      {
+                                        -- AGGREGATE  |LOCAL|
+                                          -- STREAM_SELECT  |LOCAL|
+                                            -- UNNEST  |LOCAL|
+                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                      }
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$33(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query11.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query11.plan
new file mode 100644
index 0000000..f14e55a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-quantified-queries/multiple-quantifiers/query11.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- SUBPLAN  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- STREAM_SELECT  |LOCAL|
+                            -- UNNEST  |LOCAL|
+                              -- SUBPLAN  |LOCAL|
+                                      {
+                                        -- AGGREGATE  |LOCAL|
+                                          -- STREAM_SELECT  |LOCAL|
+                                            -- UNNEST  |LOCAL|
+                                              -- SUBPLAN  |LOCAL|
+                                                      {
+                                                        -- AGGREGATE  |LOCAL|
+                                                          -- STREAM_SELECT  |LOCAL|
+                                                            -- UNNEST  |LOCAL|
+                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                      }
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                      }
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
new file mode 100644
index 0000000..4c76ea0
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
@@ -0,0 +1,35 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INTERSECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
new file mode 100644
index 0000000..7a2f7ce
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
@@ -0,0 +1,46 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INTERSECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.KSI.KS1_array_index3)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-01.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-01.plan
index 0dcfc44..a3d4489 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-01.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-01.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$66(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$66(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds1)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$59(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds1)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-02.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-02.plan
index 7997aad..09d5382 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-02.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-02.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$66(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$66(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$59(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds2.ds2)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$72(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds2.ds2)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$72(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds2.idx2)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds2.idx2)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-03.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-03.plan
index d1264cb..40e63cb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-03.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-03.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$66(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$66(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds3)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$59(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds3)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-05.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-05.plan
index 6285f162..1c9845f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-05.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-05.plan
@@ -24,4 +24,4 @@
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- DATASOURCE_SCAN (test.ds4)  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-10.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-10.plan
index 19fe8ce..9e39687 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-10.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-10.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds5.idx5_dt_fmt)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds5.idx5_dt_fmt)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-11.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-11.plan
index b636106..505a834 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-11.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-11.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds5.idx5_d_fmt)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds5.idx5_d_fmt)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-12.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-12.plan
index 382c39a..11a2618 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-12.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-12.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds5.ds5)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds5.idx5_t_fmt)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds5.idx5_t_fmt)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-13.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-13.plan
index babda5c..7736d99 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-13.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-13.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds6.idx6_dt)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds6.idx6_dt)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-14.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-14.plan
index d55a9a2..d9444e7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-14.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-14.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds6.idx6_d)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds6.idx6_d)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-15.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-15.plan
index 2799b48..e4b5cd7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-15.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-15.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds6.ds6)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds6.idx6_t)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds6.idx6_t)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-16.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-16.plan
index 6291577..753d23d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-16.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-16.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds5)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds5)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-17.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-17.plan
index 8757f3e..f6647d4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-17.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-17.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds6)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds6)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-18.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-18.plan
index 6291577..753d23d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-18.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-18.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$56(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds5)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds5)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-19.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-19.plan
index cb86b13..2327f39 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-19.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-19.plan
@@ -24,4 +24,4 @@
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- DATASOURCE_SCAN (test.ds6)  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-20.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-20.plan
index 885b6ba..d71b03a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-20.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-20.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$65(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$65(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$58(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds7.ds7)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds7.ds7)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds7.idx2)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds7.idx2)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-21.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-21.plan
index a560c7f..e5fd2d4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-21.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-21.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$65(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$65(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds7)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$58(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds7)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-22.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-22.plan
index a560c7f..e5fd2d4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-22.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-22.plan
@@ -2,15 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$65(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$65(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (test.ds7)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$58(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.ds7)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-23.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-23.plan
index 88537b6..5972aae 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-23.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-23.plan
@@ -2,22 +2,18 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$65(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$65(ASC)]  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_SELECT  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$58(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds7.ds7)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.ds7.ds7)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds7.idx3)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.ds7.idx3)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-25.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-25.plan
new file mode 100644
index 0000000..d71b03a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/cast-default-null/cast-default-null-25.plan
@@ -0,0 +1,19 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$58(ASC) ]  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.ds7.ds7)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (test.ds7.idx2)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-ternary-inlj/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-ternary-inlj/query4.plan
new file mode 100644
index 0000000..4e1a931
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-ternary-inlj/query4.plan
@@ -0,0 +1,32 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$57][$$70]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (tpcds.customer_address.customer_address)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$74(ASC)]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$74]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (tpcds.customer_demographics.customer_demographics)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STABLE_SORT [$$72(ASC)]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$72]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (tpcds.customer)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- UNNEST  |UNPARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/common-expr-01.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/common-expr-01.plan
index 132ec02..616e808 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/common-expr-01.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/common-expr-01.plan
@@ -34,7 +34,7 @@
                                                 }
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                             -- STABLE_SORT [$$172(ASC)]  |PARTITIONED|
-                                              -- HASH_PARTITION_EXCHANGE [$$172]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- NESTED_LOOP  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/extract-common-operators/extract-common-operators.01.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/extract-common-operators/extract-common-operators.01.plan
new file mode 100644
index 0000000..677a45f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/extract-common-operators/extract-common-operators.01.plan
@@ -0,0 +1,98 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$381(ASC), $$382(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$381(ASC), $$382(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- HYBRID_HASH_JOIN [$$390][$$386]  |PARTITIONED|
+                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$381(ASC), $$382(ASC)] HASH:[$$390]  |PARTITIONED|
+                      -- STABLE_SORT [$$381(ASC), $$382(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$390][$$384]  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$390]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (Metadata.Synonym)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$384]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$384, $$383][$$ds_name, $$dv_name]  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- REPLICATE  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$384, $$383]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (Metadata.Dataset)  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$ds_name, $$dv_name]  |PARTITIONED|
+                                          -- NESTED_LOOP  |UNPARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                              -- UNNEST  |UNPARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                              -- REPLICATE  |UNPARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                  -- UNNEST  |UNPARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$386]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$404][$$388]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$404]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$386][$$syn_name]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$386]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- REPLICATE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (Metadata.Synonym)  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$syn_name]  |PARTITIONED|
+                                      -- UNNEST  |UNPARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$388]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$388, $$387][$$ds_name, $$dv_name]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- HASH_PARTITION_EXCHANGE [$$384, $$383]  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (Metadata.Dataset)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$ds_name, $$dv_name]  |PARTITIONED|
+                                      -- NESTED_LOOP  |UNPARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                          -- STREAM_PROJECT  |UNPARTITIONED|
+                                            -- ASSIGN  |UNPARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- REPLICATE  |UNPARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                    -- UNNEST  |UNPARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                          -- UNNEST  |UNPARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_1.plan
rename to asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_2.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_2.plan
rename to asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_2.plan
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_3.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_hint_3.plan
rename to asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_3.plan
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_4.plan
new file mode 100644
index 0000000..00c7dfd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_4.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_5.plan
new file mode 100644
index 0000000..b5ed081
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_5.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$85][$$86]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_6.plan
new file mode 100644
index 0000000..00c7dfd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_6.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_7.plan
new file mode 100644
index 0000000..00c7dfd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/broadcast_join_hint/broadcast_join_hint_7.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_1.plan
new file mode 100644
index 0000000..c5b8dc2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_1.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$85][$$86]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_2.plan
new file mode 100644
index 0000000..5610321
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_2.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_3.plan
new file mode 100644
index 0000000..5610321
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_3.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_4.plan
new file mode 100644
index 0000000..5610321
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_4.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_5.plan
new file mode 100644
index 0000000..c5b8dc2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_5.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$85][$$86]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_6.plan
new file mode 100644
index 0000000..c5b8dc2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/hints/hashjoin_hint/hashjoin_hint_6.plan
@@ -0,0 +1,34 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$85][$$86]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$83][$$81]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (tpch.customer)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.nation)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.orders)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
index 37c3434..7a7a543 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
@@ -21,7 +21,7 @@
                             -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$87]  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- ASSIGN  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- UNNEST  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nested_query_with_bcast.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nested_query_with_bcast.plan
index 075f7af..15c163d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nested_query_with_bcast.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nested_query_with_bcast.plan
@@ -9,31 +9,29 @@
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_CLUSTERED_GROUP_BY[$$38]  |PARTITIONED|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_CLUSTERED_GROUP_BY[$$38]  |PARTITIONED|
-                                    {
-                                      -- AGGREGATE  |LOCAL|
-                                        -- STREAM_SELECT  |LOCAL|
-                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                    }
+                            -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- HYBRID_HASH_JOIN [$$41][$$39]  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- HYBRID_HASH_JOIN [$$41][$$39]  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (test.tweetDataset)  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN (test.tweetDataset)  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.countryDataset)  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN (test.countryDataset)  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_1.plan
new file mode 100644
index 0000000..f5d57d5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_1.plan
@@ -0,0 +1,29 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- HYBRID_HASH_JOIN [$$71][$$73]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (tpch.Supplier)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- NESTED_LOOP  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Partsupp)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Part)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_2.plan
new file mode 100644
index 0000000..4cd1213
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/nlj_partitioning_property_2.plan
@@ -0,0 +1,29 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- NESTED_LOOP  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (tpch.Supplier)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- NESTED_LOOP  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Partsupp)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Part)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/primary-key-index/insert-primary-key-index-with-auto-gen-pk.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/primary-key-index/insert-primary-key-index-with-auto-gen-pk.plan
index 792b79d..9a296a5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/primary-key-index/insert-primary-key-index-with-auto-gen-pk.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/primary-key-index/insert-primary-key-index-with-auto-gen-pk.plan
@@ -6,7 +6,5 @@
           -- ASSIGN  |UNPARTITIONED|
             -- STREAM_PROJECT  |UNPARTITIONED|
               -- ASSIGN  |UNPARTITIONED|
-                -- STREAM_PROJECT  |UNPARTITIONED|
-                  -- ASSIGN  |UNPARTITIONED|
-                    -- ASSIGN  |UNPARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                -- ASSIGN  |UNPARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-159-3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-159-3.plan
index e932616..6c713c4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-159-3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-159-3.plan
@@ -27,7 +27,7 @@
                                                     -- DATASOURCE_SCAN (TinySocial.FacebookUsers)  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$54]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- STREAM_SELECT  |PARTITIONED|
                                 -- SUBPLAN  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/st_distance_static_partitioning.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/st_distance_static_partitioning.plan
index 25546ce..f66785b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/st_distance_static_partitioning.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/st_distance_static_partitioning.plan
@@ -7,10 +7,10 @@
             -- AGGREGATE  |PARTITIONED|
               -- STREAM_SELECT  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- SPATIAL_JOIN [$$61, $$56] [$$62, $$57]  |PARTITIONED|
+                  -- SPATIAL_JOIN [$$62, $$56] [$$63, $$57]  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$61(ASC), $$56(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$61]  |PARTITIONED|
+                      -- STABLE_SORT [$$62(ASC), $$56(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$62]  |PARTITIONED|
                           -- UNNEST  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -21,8 +21,8 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$62(ASC), $$57(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$62]  |PARTITIONED|
+                      -- STABLE_SORT [$$63(ASC), $$57(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$63]  |PARTITIONED|
                           -- UNNEST  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2845.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2845.plan
index 4b32064..15e7546 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2845.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2845.plan
@@ -56,7 +56,7 @@
                                                                         -- DATASOURCE_SCAN (test.mds)  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                    -- HASH_PARTITION_EXCHANGE [$$303]  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                       -- NESTED_LOOP  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.10.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.10.plan
new file mode 100644
index 0000000..9ea1780
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.10.plan
@@ -0,0 +1,35 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$67(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- UNNEST  |UNPARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.11.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.11.plan
new file mode 100644
index 0000000..ebfcfc2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.11.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$67(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$72(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- UNNEST  |UNPARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.12.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.12.plan
new file mode 100644
index 0000000..a8f346f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.12.plan
@@ -0,0 +1,39 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$71(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- UNNEST  |UNPARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.13.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.13.plan
new file mode 100644
index 0000000..439b1d4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.13.plan
@@ -0,0 +1,57 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$82(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$92(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- NESTED_LOOP  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                              -- UNNEST  |UNPARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.d3)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.14.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.14.plan
new file mode 100644
index 0000000..c57b6f9
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.14.plan
@@ -0,0 +1,63 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$106(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$116(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$111(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- NESTED_LOOP  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                              -- UNNEST  |UNPARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.d3)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.9.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.9.plan
new file mode 100644
index 0000000..8802ff5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/aggregate-sql-sugar/distinct_mixed/distinct_mixed.9.plan
@@ -0,0 +1,35 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$g(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$g]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_SORTED_DISTINCT_BY  |LOCAL|
+                        -- MICRO_STABLE_SORT [$$63(ASC)]  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$g(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$g]  |PARTITIONED|
+                  -- NESTED_LOOP  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- NESTED_LOOP  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.d1)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- UNNEST  |UNPARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (test.d2)  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-3.plan
new file mode 100644
index 0000000..bd6d8cf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-3.plan
@@ -0,0 +1,25 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.tenk2.tenk2)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (test.tenk2.idx_tenk2_1k)  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.tenk1.tenk1)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-5.plan
new file mode 100644
index 0000000..bd6d8cf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-5.plan
@@ -0,0 +1,25 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.tenk2.tenk2)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (test.tenk2.idx_tenk2_1k)  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.tenk1.tenk1)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-6.plan
new file mode 100644
index 0000000..b6b4ba0
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-6.plan
@@ -0,0 +1,24 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$35][$$34]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$35]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (test.tenk2)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (test.tenk1.tenk1)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-7.plan
new file mode 100644
index 0000000..bd6d8cf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-join/hints-indexnl-params/hints-indexnl-params-7.plan
@@ -0,0 +1,25 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (test.tenk2.tenk2)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (test.tenk2.idx_tenk2_1k)  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (test.tenk1.tenk1)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-1.plan
new file mode 100644
index 0000000..61695a3
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-1.plan
@@ -0,0 +1,12 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- HYBRID_HASH_JOIN [$$20][$$21]  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN (test.TestSet)  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- BROADCAST_EXCHANGE  |PARTITIONED|
+            -- UNNEST  |UNPARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-2.plan
new file mode 100644
index 0000000..318f7d5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/disjunctive-predicate/disjunctive-predicate-2.plan
@@ -0,0 +1,15 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- HYBRID_HASH_JOIN [$$19][$$21]  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (test.TestSet)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- BROADCAST_EXCHANGE  |PARTITIONED|
+            -- UNNEST  |UNPARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-11.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-11.plan
new file mode 100644
index 0000000..a2a9642
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-11.plan
@@ -0,0 +1,18 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$23(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$23(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$20][$$22]  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (test.tenk)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                -- UNNEST  |UNPARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-12.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-12.plan
new file mode 100644
index 0000000..a2a9642
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-index-selection/hints-skip-index/hints-skip-index-12.plan
@@ -0,0 +1,18 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- SORT_MERGE_EXCHANGE [$$23(ASC) ]  |PARTITIONED|
+    -- STABLE_SORT [$$23(ASC)]  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$20][$$22]  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (test.tenk)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                -- UNNEST  |UNPARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-ternary-inlj/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-ternary-inlj/query4.plan
new file mode 100644
index 0000000..9b920b4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/btree-ternary-inlj/query4.plan
@@ -0,0 +1,32 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (tpcds.customer_address.customer_address)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$78(ASC)]  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$78]  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH (tpcds.customer_demographics.customer_demographics)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$76(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$76]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$61][$$74]  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (tpcds.customer)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- UNNEST  |UNPARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q2.plan
new file mode 100644
index 0000000..6d36713
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q2.plan
@@ -0,0 +1,162 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      -- STREAM_PROJECT  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- SORT_MERGE_EXCHANGE [$$274(ASC), $$275(ASC), $$240(ASC) ]  |PARTITIONED|
+            -- STREAM_LIMIT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [topK: 100] [$$274(ASC), $$275(ASC), $$240(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$252][$$253]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$252]  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$259][$$260]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$259]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$265][$$242]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$265]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$240, $$254][$$241, $$263]  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$240, $$254]  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- HYBRID_HASH_JOIN [$$s_i_id][$$240]  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- SORT_GROUP_BY[$$285]  |PARTITIONED|
+                                                                        {
+                                                                          -- AGGREGATE  |LOCAL|
+                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                        }
+                                                                  -- HASH_PARTITION_EXCHANGE [$$285]  |PARTITIONED|
+                                                                    -- SORT_GROUP_BY[$$239]  |PARTITIONED|
+                                                                            {
+                                                                              -- AGGREGATE  |LOCAL|
+                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                            }
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- HYBRID_HASH_JOIN [$$255][$$256]  |PARTITIONED|
+                                                                              -- HASH_PARTITION_EXCHANGE [$$255]  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- HYBRID_HASH_JOIN [$$257][$$269]  |PARTITIONED|
+                                                                                      -- HASH_PARTITION_EXCHANGE [$$257]  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- HYBRID_HASH_JOIN [$$261][$$270]  |PARTITIONED|
+                                                                                              -- HASH_PARTITION_EXCHANGE [$$261]  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                              -- HASH_PARTITION_EXCHANGE [$$270]  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                      -- HASH_PARTITION_EXCHANGE [$$269]  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                  -- HASH_PARTITION_EXCHANGE [$$256]  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- DATASOURCE_SCAN (test.region)  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$240]  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (test.item)  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$241, $$263]  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$242]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- REPLICATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$260]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- REPLICATE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- REPLICATE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$256]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (test.region)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan
new file mode 100644
index 0000000..a357a82
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan
@@ -0,0 +1,116 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      -- STREAM_PROJECT  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$su_name(ASC) ]  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_LIMIT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- SORT_GROUP_BY[$$399]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
+                      -- SORT_GROUP_BY[$$su_name]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- STREAM_SELECT  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- SORT_GROUP_BY[$$390, $$391, $$392, $$393, $$394, $$395, $$396, $$397]  |PARTITIONED|
+                                          {
+                                            -- AGGREGATE  |LOCAL|
+                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                          }
+                                    -- HASH_PARTITION_EXCHANGE [$$390, $$391, $$392, $$393, $$394, $$395, $$396, $$397]  |PARTITIONED|
+                                      -- SORT_GROUP_BY[$$352, $$378, $$377, $$354, $$355, $$351, $$350, $$379]  |PARTITIONED|
+                                              {
+                                                -- AGGREGATE  |LOCAL|
+                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                              }
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- NESTED_LOOP  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$354][$$365]  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$354]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$365]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- HYBRID_HASH_JOIN [$$355][$$366]  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$355]  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$366]  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- HYBRID_HASH_JOIN [$$351, $$350][$$352, $$362]  |PARTITIONED|
+                                                                        -- HASH_PARTITION_EXCHANGE [$$351, $$350]  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                        -- HASH_PARTITION_EXCHANGE [$$352, $$362]  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- UNNEST  |PARTITIONED|
+                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- UNNEST  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- REPLICATE  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan
new file mode 100644
index 0000000..95ff63d3
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan
@@ -0,0 +1,97 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$#2(DESC) ]  |PARTITIONED|
+          -- STABLE_SORT [$#2(DESC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- SORT_GROUP_BY[$$291]  |PARTITIONED|
+                            {
+                              -- AGGREGATE  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                            }
+                      -- HASH_PARTITION_EXCHANGE [$$291]  |PARTITIONED|
+                        -- SORT_GROUP_BY[$$275]  |PARTITIONED|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$257][$$256]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$257]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- STREAM_SELECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.region)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$256]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$274, $$268][$$266, $$269]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$274, $$268]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- HYBRID_HASH_JOIN [$$258][$$274]  |PARTITIONED|
+                                                  -- HASH_PARTITION_EXCHANGE [$$258]  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- HYBRID_HASH_JOIN [$$260, $$254, $$263][$$276, $$277, $$278]  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$260, $$254, $$263]  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- HYBRID_HASH_JOIN [$$245, $$246][$$254, $$281]  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$245, $$246]  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$254, $$281]  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- UNNEST  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$276, $$277, $$278]  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.customer)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- HASH_PARTITION_EXCHANGE [$$274]  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$266, $$269]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan
new file mode 100644
index 0000000..98a1725
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan
@@ -0,0 +1,103 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$su_nationkey(ASC), $#1(ASC), $#2(ASC) ]  |PARTITIONED|
+          -- SORT_GROUP_BY[$$325, $$326, $$327]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_EXCHANGE [$$325, $$326, $$327]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$277, $$273, $$274]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- STREAM_SELECT  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$288][$$304]  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$288]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$277][$$303]  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$277]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- HYBRID_HASH_JOIN [$$299][$$300]  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$299]  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$291, $$293, $$295][$$305, $$306, $$307]  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$291, $$293, $$295]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- HYBRID_HASH_JOIN [$$275, $$276][$$310, $$311]  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$275, $$276]  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$310, $$311]  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- UNNEST  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$305, $$306, $$307]  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.customer)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$300]  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- REPLICATE  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$303]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- REPLICATE  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$303]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan
new file mode 100644
index 0000000..9d2969e
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan
@@ -0,0 +1,127 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$#1(ASC) ]  |PARTITIONED|
+          -- SORT_GROUP_BY[$$349]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_EXCHANGE [$$349]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$294]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$325][$$326]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$325]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$320][$$341]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$320]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$308][$$309]  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$308]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- HYBRID_HASH_JOIN [$$311][$$331]  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$311]  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- HYBRID_HASH_JOIN [$$313, $$315, $$317][$$333, $$334, $$332]  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$313, $$315, $$317]  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- HYBRID_HASH_JOIN [$$306][$$324]  |PARTITIONED|
+                                                                    -- HASH_PARTITION_EXCHANGE [$$306]  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- HYBRID_HASH_JOIN [$$296, $$295][$$306, $$336]  |PARTITIONED|
+                                                                            -- HASH_PARTITION_EXCHANGE [$$296, $$295]  |PARTITIONED|
+                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                            -- HASH_PARTITION_EXCHANGE [$$306, $$336]  |PARTITIONED|
+                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                    -- HASH_PARTITION_EXCHANGE [$$324]  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (test.item)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$333, $$334, $$332]  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (test.customer)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$331]  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- REPLICATE  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$309]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (test.region)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$341]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$326]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- REPLICATE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan
new file mode 100644
index 0000000..9eafc6f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan
@@ -0,0 +1,80 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$n_name(ASC), $#1(DESC) ]  |PARTITIONED|
+          -- SORT_GROUP_BY[$$229, $$230]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_EXCHANGE [$$229, $$230]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$225, $$198]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$213][$$214]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$213]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$210][$$224]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$210]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- HYBRID_HASH_JOIN [$$200, $$199][$$206, $$217]  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$200, $$199]  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (test.stock)  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$206, $$217]  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- UNNEST  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$207]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (test.item)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$224]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.supplier)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (test.nation)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/extract-common-operators/extract-common-operators.01.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/extract-common-operators/extract-common-operators.01.plan
new file mode 100644
index 0000000..29aafbf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/extract-common-operators/extract-common-operators.01.plan
@@ -0,0 +1,90 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$405(ASC), $$406(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$405(ASC), $$406(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- HYBRID_HASH_JOIN [$$414][$$410]  |PARTITIONED|
+                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$405(ASC), $$406(ASC)] HASH:[$$414]  |PARTITIONED|
+                      -- STABLE_SORT [$$405(ASC), $$406(ASC)]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$414][$$408]  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$414]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (Metadata.Synonym)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$408]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$408][$$ds_name]  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- REPLICATE  |PARTITIONED|
+                                            -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH (Metadata.Dataset.Dataset)  |PARTITIONED|
+                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                      -- UNNEST  |UNPARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- REPLICATE  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- UNNEST  |UNPARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$410]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$428][$$412]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$428]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$410][$$syn_name]  |PARTITIONED|
+                                    -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- REPLICATE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (Metadata.Synonym)  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- UNNEST  |UNPARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$412]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$412][$$ds_name]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH (Metadata.Dataset.Dataset)  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- UNNEST  |UNPARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- UNNEST  |UNPARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/filter_on_meta_with_idx_2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/filter_on_meta_with_idx_2.plan
new file mode 100644
index 0000000..05da710
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/filter_on_meta_with_idx_2.plan
@@ -0,0 +1,25 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$37][$$38]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (test.KVStore)  |PARTITIONED|
+                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (test.OfficerLocations)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/group-by/listify-3.1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/group-by/listify-3.1.plan
new file mode 100644
index 0000000..ec40853
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/group-by/listify-3.1.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |LOCAL|
+  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+    -- STREAM_PROJECT  |LOCAL|
+      -- ASSIGN  |LOCAL|
+        -- AGGREGATE  |LOCAL|
+          -- AGGREGATE  |LOCAL|
+            -- STREAM_PROJECT  |LOCAL|
+              -- ASSIGN  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- NESTED_LOOP  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                      -- UNNEST  |UNPARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                      -- NESTED_LOOP  |LOCAL|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STREAM_PROJECT  |LOCAL|
+                            -- ASSIGN  |LOCAL|
+                              -- STREAM_PROJECT  |LOCAL|
+                                -- ASSIGN  |LOCAL|
+                                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                    -- REPLICATE  |LOCAL|
+                                      -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                        -- AGGREGATE  |LOCAL|
+                                          -- STREAM_PROJECT  |LOCAL|
+                                            -- ASSIGN  |LOCAL|
+                                              -- AGGREGATE  |LOCAL|
+                                                -- AGGREGATE  |LOCAL|
+                                                  -- UNNEST  |UNPARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STREAM_PROJECT  |LOCAL|
+                            -- ASSIGN  |LOCAL|
+                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                -- REPLICATE  |LOCAL|
+                                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                    -- AGGREGATE  |LOCAL|
+                                      -- STREAM_PROJECT  |LOCAL|
+                                        -- ASSIGN  |LOCAL|
+                                          -- AGGREGATE  |LOCAL|
+                                            -- AGGREGATE  |LOCAL|
+                                              -- UNNEST  |UNPARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_1.plan
new file mode 100644
index 0000000..91a6aca
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_1.plan
@@ -0,0 +1,31 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- NESTED_LOOP  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$76][$$78]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.Supplier)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.Partsupp)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (tpch.Part)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_2.plan
new file mode 100644
index 0000000..c1554e2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/nlj_partitioning_property_2.plan
@@ -0,0 +1,29 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      -- ASSIGN  |UNPARTITIONED|
+        -- AGGREGATE  |UNPARTITIONED|
+          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+            -- AGGREGATE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- NESTED_LOOP  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- NESTED_LOOP  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Supplier)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN (tpch.Partsupp)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (tpch.Part)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/meta/indexes_on_dataset_with_meta_05.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/meta/indexes_on_dataset_with_meta_05.plan
new file mode 100644
index 0000000..6013ad8
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/meta/indexes_on_dataset_with_meta_05.plan
@@ -0,0 +1,18 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- SORT_MERGE_EXCHANGE [$$29(ASC) ]  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (test.DS2.DS2)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$34(ASC)]  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.DS1)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-index/btree-index-join/ASTERIXDB-2199.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-index/btree-index-join/ASTERIXDB-2199.plan
new file mode 100644
index 0000000..46dbf81
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-index/btree-index-join/ASTERIXDB-2199.plan
@@ -0,0 +1,15 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$36][$$37]  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (Facebook.Friendship)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (Facebook.Friendship)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-open-index/btree-index-join/non-enforced-composite-key-equi-join/05.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-open-index/btree-index-join/non-enforced-composite-key-equi-join/05.plan
new file mode 100644
index 0000000..9ae6c48
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/nested-open-index/btree-index-join/non-enforced-composite-key-equi-join/05.plan
@@ -0,0 +1,30 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$48(ASC), $$49(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$48(ASC), $$49(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- HYBRID_HASH_JOIN [$$45][$$46]  |PARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.TestOpen1)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$46]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.TestOpen2)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07.plan
new file mode 100644
index 0000000..8d30fd0
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07.plan
@@ -0,0 +1,26 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$40(ASC), $$41(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$40(ASC), $$41(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- HYBRID_HASH_JOIN [$$37][$$38]  |PARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.TestOpen1)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.TestOpen2)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07_ps.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07_ps.plan
new file mode 100644
index 0000000..6c25f6d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/open-index-non-enforced/btree-equi-join-non-enforced/btree-equi-join-non-enforced-07_ps.plan
@@ -0,0 +1,56 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- STABLE_SORT [$$40(ASC), $$41(ASC)]  |PARTITIONED|
+            -- RANGE_PARTITION_EXCHANGE [$$40(ASC), $$41(ASC)]  |PARTITIONED|
+              -- FORWARD  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- REPLICATE  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$37][$$38]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (test.TestOpen1)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (test.TestOpen2)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- AGGREGATE  |UNPARTITIONED|
+                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                      -- AGGREGATE  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- REPLICATE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$37][$$38]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.TestOpen1)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.TestOpen2)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q08_group_by.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q08_group_by.plan
new file mode 100644
index 0000000..1e558ec
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q08_group_by.plan
@@ -0,0 +1,78 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$230][$$212]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$230]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- HYBRID_HASH_JOIN [$$216][$$211]  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$216]  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$218][$$210]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$218]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- HYBRID_HASH_JOIN [$$221][$$209]  |PARTITIONED|
+                                      -- HASH_PARTITION_EXCHANGE [$$221]  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- HYBRID_HASH_JOIN [$$206][$$208]  |PARTITIONED|
+                                              -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$205][$$233]  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- DATASOURCE_SCAN (q08_group_by.Supplier)  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$233]  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (q08_group_by.LineItem)  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (q08_group_by.Orders)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (q08_group_by.Customer)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (q08_group_by.Nation)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (q08_group_by.Region)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (q08_group_by.Part)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q09_group_by.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q09_group_by.plan
new file mode 100644
index 0000000..26a56eb
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/q09_group_by.plan
@@ -0,0 +1,55 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$157][$$151]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$157]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- HYBRID_HASH_JOIN [$$154][$$150]  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$154]  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$169, $$154][$$148, $$149]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$169, $$154]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- HYBRID_HASH_JOIN [$$147][$$169]  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (q09_group_by.Part)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- HASH_PARTITION_EXCHANGE [$$169]  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (q09_group_by.LineItem)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN (q09_group_by.Partsupp)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (q09_group_by.Supplier)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (q09_group_by.Nation)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue849.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue849.plan
new file mode 100644
index 0000000..0f1879f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue849.plan
@@ -0,0 +1,29 @@
+-- COMMIT  |PARTITIONED|
+  -- STREAM_PROJECT  |PARTITIONED|
+    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+      -- INSERT_DELETE  |PARTITIONED|
+        -- HASH_PARTITION_EXCHANGE [$$3]  |PARTITIONED|
+          -- ASSIGN  |UNPARTITIONED|
+            -- ASSIGN  |UNPARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+-- COMMIT  |PARTITIONED|
+  -- STREAM_PROJECT  |PARTITIONED|
+    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+      -- INSERT_DELETE  |PARTITIONED|
+        -- HASH_PARTITION_EXCHANGE [$$3]  |PARTITIONED|
+          -- ASSIGN  |UNPARTITIONED|
+            -- ASSIGN  |UNPARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH (test.s.s)  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [$$52(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$52]  |PARTITIONED|
+                    -- ASSIGN  |UNPARTITIONED|
+                      -- UNNEST  |UNPARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization.plan
new file mode 100644
index 0000000..34f5238
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization.plan
@@ -0,0 +1,20 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$91(ASC), $$92(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$91(ASC), $$92(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TinySocial.FacebookUsers.FacebookUsers)  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- STREAM_SELECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (TinySocial.FacebookUsers)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization_ps.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization_ps.plan
new file mode 100644
index 0000000..2881c66
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/split-materialization_ps.plan
@@ -0,0 +1,45 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- STABLE_SORT [$$91(ASC), $$92(ASC)]  |PARTITIONED|
+            -- RANGE_PARTITION_EXCHANGE [$$91(ASC), $$92(ASC)]  |PARTITIONED|
+              -- FORWARD  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- REPLICATE  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- STREAM_SELECT  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (TinySocial.FacebookUsers.FacebookUsers)  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- DATASOURCE_SCAN (TinySocial.FacebookUsers)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- AGGREGATE  |UNPARTITIONED|
+                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                      -- AGGREGATE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- REPLICATE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- STREAM_SELECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TinySocial.FacebookUsers.FacebookUsers)  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TinySocial.FacebookUsers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1580.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1580.plan
new file mode 100644
index 0000000..eb98d7c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1580.plan
@@ -0,0 +1,73 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      -- STREAM_PROJECT  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- SORT_MERGE_EXCHANGE [$$136(ASC) ]  |PARTITIONED|
+            -- STREAM_LIMIT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [topK: 100] [$$136(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- STREAM_SELECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- SORT_GROUP_BY[$$145]  |PARTITIONED|
+                                  {
+                                    -- AGGREGATE  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                  }
+                            -- HASH_PARTITION_EXCHANGE [$$145]  |PARTITIONED|
+                              -- SORT_GROUP_BY[$$126]  |PARTITIONED|
+                                      {
+                                        -- AGGREGATE  |LOCAL|
+                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                      }
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$129][$$132]  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$129]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- HYBRID_HASH_JOIN [$$137][$$131]  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$137]  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$128][$$142]  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$128]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- HYBRID_HASH_JOIN [$$127][$$140]  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (tpcds.customer_address)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$140]  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (tpcds.customer)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$142]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (tpcds.date_dim)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (tpcds.item)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1591.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1591.plan
new file mode 100644
index 0000000..d3fce85
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1591.plan
@@ -0,0 +1,151 @@
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      -- STREAM_PROJECT  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- SORT_MERGE_EXCHANGE [$$192(ASC) ]  |PARTITIONED|
+              -- STREAM_LIMIT  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- SORT_GROUP_BY[$$201, $$202]  |PARTITIONED|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
+                          -- HASH_PARTITION_EXCHANGE [$$201, $$202]  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$189, $$190]  |PARTITIONED|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
+                                        -- STREAM_SELECT  |LOCAL|
+                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$189(ASC), $$190(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$189][$$171]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$189]  |PARTITIONED|
+                                            -- SORT_GROUP_BY[$$198, $$199]  |PARTITIONED|
+                                                    {
+                                                      -- AGGREGATE  |LOCAL|
+                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                    }
+                                              -- HASH_PARTITION_EXCHANGE [$$198, $$199]  |PARTITIONED|
+                                                -- PRE_CLUSTERED_GROUP_BY[$$186, $$187]  |PARTITIONED|
+                                                        {
+                                                          -- AGGREGATE  |LOCAL|
+                                                            -- STREAM_SELECT  |LOCAL|
+                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                        }
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- STABLE_SORT [$$186(ASC), $$187(ASC)]  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- HYBRID_HASH_JOIN [$$186][$$169]  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$186]  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- SORT_GROUP_BY[$$195, $$196]  |PARTITIONED|
+                                                                              {
+                                                                                -- AGGREGATE  |LOCAL|
+                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                              }
+                                                                        -- HASH_PARTITION_EXCHANGE [$$195, $$196]  |PARTITIONED|
+                                                                          -- PRE_CLUSTERED_GROUP_BY[$$150, $$151]  |PARTITIONED|
+                                                                                  {
+                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                  }
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STABLE_SORT [$$150(ASC), $$151(ASC)]  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- HYBRID_HASH_JOIN [$$150][$$167]  |PARTITIONED|
+                                                                                        -- HASH_PARTITION_EXCHANGE [$$150]  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- HYBRID_HASH_JOIN [$$161][$$151]  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$161]  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN (tpcds.customer)  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- DATASOURCE_SCAN (tpcds.customer_address)  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                        -- HASH_PARTITION_EXCHANGE [$$167]  |PARTITIONED|
+                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- HYBRID_HASH_JOIN [$$172][$$154]  |PARTITIONED|
+                                                                                                  -- HASH_PARTITION_EXCHANGE [$$172]  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- DATASOURCE_SCAN (tpcds.date_dim)  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$169]  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- HYBRID_HASH_JOIN [$$174][$$157]  |PARTITIONED|
+                                                                        -- HASH_PARTITION_EXCHANGE [$$174]  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (tpcds.web_sales)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN (tpcds.date_dim)  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$171]  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- HYBRID_HASH_JOIN [$$176][$$160]  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$176]  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (tpcds.catalog_sales)  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- REPLICATE  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (tpcds.date_dim)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping.plan
new file mode 100644
index 0000000..b20e06d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$l_shipmode(ASC) ]  |PARTITIONED|
+          -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$122][$$126]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$126]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                  -- UNNEST  |UNPARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast.plan
new file mode 100644
index 0000000..c970de6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast.plan
@@ -0,0 +1,43 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$l_shipmode(ASC) ]  |PARTITIONED|
+          -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$122][$$125]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                  -- UNNEST  |UNPARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast_ps.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast_ps.plan
new file mode 100644
index 0000000..d037732
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_broadcast_ps.plan
@@ -0,0 +1,95 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- STABLE_SORT [$$l_shipmode(ASC)]  |PARTITIONED|
+            -- RANGE_PARTITION_EXCHANGE [$$l_shipmode(ASC)]  |PARTITIONED|
+              -- FORWARD  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- REPLICATE  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
+                        -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+                          -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                                  {
+                                    -- AGGREGATE  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                  }
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$122][$$125]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                            -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                              -- UNNEST  |UNPARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- AGGREGATE  |UNPARTITIONED|
+                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                      -- AGGREGATE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- REPLICATE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                                        {
+                                          -- AGGREGATE  |LOCAL|
+                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                        }
+                                  -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+                                    -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                                            {
+                                              -- AGGREGATE  |LOCAL|
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                            }
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- HYBRID_HASH_JOIN [$$122][$$125]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                                      -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                                        -- UNNEST  |UNPARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_ps.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_ps.plan
new file mode 100644
index 0000000..2c1d311
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpch/q12_shipping_ps.plan
@@ -0,0 +1,95 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- STABLE_SORT [$$l_shipmode(ASC)]  |PARTITIONED|
+            -- RANGE_PARTITION_EXCHANGE [$$l_shipmode(ASC)]  |PARTITIONED|
+              -- FORWARD  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- REPLICATE  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
+                        -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+                          -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                                  {
+                                    -- AGGREGATE  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                  }
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$122][$$126]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$126]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                            -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                              -- UNNEST  |UNPARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- AGGREGATE  |UNPARTITIONED|
+                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                      -- AGGREGATE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- REPLICATE  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- SORT_GROUP_BY[$$135]  |PARTITIONED|
+                                        {
+                                          -- AGGREGATE  |LOCAL|
+                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                        }
+                                  -- HASH_PARTITION_EXCHANGE [$$135]  |PARTITIONED|
+                                    -- SORT_GROUP_BY[$$118]  |PARTITIONED|
+                                            {
+                                              -- AGGREGATE  |LOCAL|
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                            }
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- HYBRID_HASH_JOIN [$$122][$$126]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (tpch.Orders)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- HASH_PARTITION_EXCHANGE [$$126]  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$124][$$118]  |PARTITIONED|
+                                                      -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                                        -- UNNEST  |UNPARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (tpch.LineItem)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.1.ddl.sqlpp
new file mode 100644
index 0000000..c0aadca
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.1.ddl.sqlpp
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test1 if exists;
+create dataverse test1;
+
+use test1;
+
+create type t1 as closed {
+  c1 : bigint,
+  c2 : bigint
+};
+
+create dataset ds1(t1) primary key c1;
+
+create index idx1 on ds1(c2);
+
+create view v1 as select value v from ds1 v;
+
+create synonym s1 for v1;
+
+create function f1() {
+  select "Dataverse" as k, DataverseName as dv, DataverseName as n from Metadata.`Dataverse`
+  union all
+  select "Datatype" as k, DataverseName as dv, DatatypeName as n from Metadata.`Datatype`
+  union all
+  select "Dataset" as k, DataverseName as dv, DatasetName as n from Metadata.`Dataset`
+  union all
+  select "Index" as k, DataverseName as dv, IndexName as n from Metadata.`Index` where not(isPrimary)
+  union all
+  select "Synonym" as k, DataverseName as dv, SynonymName as n from Metadata.`Synonym`
+  union all
+  select "Function" as k, DataverseName as dv, Name as n from Metadata.`Function`
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.10.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.10.query.sqlpp
index 6095b26..53097a4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.10.query.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Check that objects were not created
+ */
 
-select value v from range(1,2) v where v > ?;
+select count(*) cnt
+from test1.f1() t
+where dv like "test2";
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.2.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.2.query.sqlpp
index 6095b26..1e3fb34 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.2.query.sqlpp
@@ -17,8 +17,7 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+select k, n
+from test1.f1() t
+where dv like "test1"
+order by k, n;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.3.ddl.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.3.ddl.sqlpp
index 6095b26..b913179 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.3.ddl.sqlpp
@@ -17,8 +17,29 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test that DROP DDL statements are not executed in compile-only mode
+ */
 
-select value v from range(1,2) v where v > ?;
+-- param compile-only:string=true
+
+drop function test1.f1();
+
+drop synonym test1.s1;
+
+drop view test1.v1;
+
+drop index test1.ds1.idx1;
+
+drop dataset test1.ds1;
+
+drop type test1.t1;
+
+
+
+
+
+
+
+
+
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.4.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.4.query.sqlpp
index 6095b26..5760b8e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.4.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Check that objects were not dropped
+ */
 
-select value v from range(1,2) v where v > ?;
+select k, n
+from test1.f1() t
+where dv like "test1"
+order by k, n;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.5.ddl.sqlpp
similarity index 87%
rename from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
rename to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.5.ddl.sqlpp
index 6095b26..37146d7 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.5.ddl.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test that DROP DDL statements are not executed in compile-only mode
+ */
 
-select value v from range(1,2) v where v > ?;
+-- param compile-only:string=true
+
+drop dataverse test1;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.6.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.6.query.sqlpp
index 6095b26..5760b8e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.6.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Check that objects were not dropped
+ */
 
-select value v from range(1,2) v where v > ?;
+select k, n
+from test1.f1() t
+where dv like "test1"
+order by k, n;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.7.ddl.sqlpp
similarity index 70%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.7.ddl.sqlpp
index 6095b26..9b41631 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.7.ddl.sqlpp
@@ -17,8 +17,27 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test that CREATE DDL statements are not executed in compile-only mode
+ */
 
-select value v from range(1,2) v where v > ?;
+-- param compile-only:string=true
+
+use test1;
+
+create type t2 as closed {
+  c1 : bigint,
+  c2 : bigint
+};
+
+create dataset ds2(t2) primary key c1;
+
+create index idx2 on ds2(c2);
+
+create view v2 as select value v from ds2 v;
+
+create synonym s2 for v2;
+
+create function f2() {
+  select value v from v2 v
+};
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.8.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.8.query.sqlpp
index 6095b26..c5afa49 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.8.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Check that objects were not created
+ */
 
-select value v from range(1,2) v where v > ?;
+select k, n
+from test1.f1() t
+where dv like "test1"
+order by k, n;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.9.ddl.sqlpp
similarity index 85%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.9.ddl.sqlpp
index 6095b26..7fb26db 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly-2/compileonly-2.9.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test that CREATE DDL statements are not executed in compile-only mode
+ */
 
-select value v from range(1,2) v where v > ?;
+-- param compile-only:string=true
+
+drop dataverse test2 if exists;
+create dataverse test2;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.ddl.sqlpp
index 6095b26..82e9f1c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.ddl.sqlpp
@@ -17,8 +17,7 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+drop dataverse test1 if exists;
+create dataverse test1;
 
-select value v from range(1,2) v where v > ?;
+create dataset test1.t1(c1 int not unknown, c2 int) primary key c1;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.2.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.2.plans.sqlpp
index 2a4952f..6095b26 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.2.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.2.plans.sqlpp
@@ -17,11 +17,8 @@
  * under the License.
  */
 
-/*
- * Test additional information returned when client-type=jdbc
- */
-
--- param client-type:string=jdbc
 -- param compile-only:string=true
+-- param logical-plan:string=true
+-- param plan-format:string=json
 
-select v from range(1,2) v where v between ? and ? ;
+select value v from range(1,2) v where v > ?;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.3.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.3.plans.sqlpp
index d7217a4..2a4952f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.3.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.3.plans.sqlpp
@@ -18,10 +18,10 @@
  */
 
 /*
- * Test additional information returned when client-type=jdbc (with explain)
+ * Test additional information returned when client-type=jdbc
  */
 
 -- param client-type:string=jdbc
 -- param compile-only:string=true
 
-explain select v from range(1,2) v where v between ? and ? ;
+select v from range(1,2) v where v between ? and ? ;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.4.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.4.plans.sqlpp
index 8d2bd74..d7217a4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.4.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.4.plans.sqlpp
@@ -18,16 +18,10 @@
  */
 
 /*
- * Test additional information returned when client-type=jdbc (update statement)
+ * Test additional information returned when client-type=jdbc (with explain)
  */
 
 -- param client-type:string=jdbc
 -- param compile-only:string=true
 
-drop dataverse test1 if exists;
-
-create dataverse test1;
-
-create dataset test1.t1(c1 int not unknown, c2 int) primary key c1;
-
-insert into test1.t1 [{"c1": 1, "c2": ? }, {"c1": 3, "c2": ? }];
+explain select v from range(1,2) v where v between ? and ? ;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.5.plans.sqlpp
similarity index 81%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.5.plans.sqlpp
index 6095b26..5947c5d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.5.plans.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test additional information returned when client-type=jdbc (update statement)
+ */
 
-select value v from range(1,2) v where v > ?;
+-- param client-type:string=jdbc
+-- param compile-only:string=true
+
+insert into test1.t1 [{"c1": 1, "c2": ? }, {"c1": 3, "c2": ? }];
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.1.ddl.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.1.ddl.sqlpp
index 6095b26..d589457 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.1.ddl.sqlpp
@@ -16,9 +16,23 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+CREATE TYPE GenericType AS { id: bigint };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY id;
 
-select value v from range(1,2) v where v > ?;
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index3 ON KSI (
+    UNNEST uarr_i
+    SELECT c : bigint
+) EXCLUDE UNKNOWN KEY;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.2.update.sqlpp
new file mode 100644
index 0000000..1d1f638
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.2.update.sqlpp
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+USE    test;
+
+INSERT INTO KSI [
+  { "id": 1, "uarr_i": [ {"a": 1, "b": 1, "c": 1 } ] },
+  { "id": 2, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 2, "b": 2, "c": 2 } ] },
+  { "id": 3, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 3, "b": 3, "c": 3 } ] },
+  { "id": 4, "uarr_i": [ {"a": 2, "b": 2, "c": 2 },
+                         {"a": 3, "b": 3, "c": 3 } ] },
+  { "id": 5, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 2, "b": 2, "c": 2 },
+                         {"a": 3, "b": 3, "c": 3 } ] }
+];
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.query.sqlpp
index 6095b26..ce7f053 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.query.sqlpp
@@ -16,9 +16,11 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+FROM     KSI k
+WHERE    ( SOME i IN k.uarr_i
+           SATISFIES i.a = 1 AND
+                     i.b = 1 )
+SELECT   k.id
+ORDER BY k.id;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.query.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.query.sqlpp
index 6095b26..1314ad8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.query.sqlpp
@@ -16,9 +16,12 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+FROM     KSI k
+WHERE    ( SOME i IN k.uarr_i
+           SATISFIES i.a = 1 AND
+                     i.b = 1 AND
+                     i.c = 1 )
+SELECT   k.id
+ORDER BY k.id;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.1.ddl.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.1.ddl.sqlpp
index 6095b26..d589457 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.1.ddl.sqlpp
@@ -16,9 +16,23 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+DROP   DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+CREATE TYPE GenericType AS { id: bigint };
+CREATE DATASET KSI (GenericType)
+PRIMARY KEY id;
 
-select value v from range(1,2) v where v > ?;
+CREATE INDEX KS1_array_index1 ON KSI (
+    UNNEST uarr_i
+    SELECT a : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index2 ON KSI (
+    UNNEST uarr_i
+    SELECT b : bigint
+) EXCLUDE UNKNOWN KEY;
+CREATE INDEX KS1_array_index3 ON KSI (
+    UNNEST uarr_i
+    SELECT c : bigint
+) EXCLUDE UNKNOWN KEY;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.2.update.sqlpp
new file mode 100644
index 0000000..1d1f638
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.2.update.sqlpp
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+USE    test;
+
+INSERT INTO KSI [
+  { "id": 1, "uarr_i": [ {"a": 1, "b": 1, "c": 1 } ] },
+  { "id": 2, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 2, "b": 2, "c": 2 } ] },
+  { "id": 3, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 3, "b": 3, "c": 3 } ] },
+  { "id": 4, "uarr_i": [ {"a": 2, "b": 2, "c": 2 },
+                         {"a": 3, "b": 3, "c": 3 } ] },
+  { "id": 5, "uarr_i": [ {"a": 1, "b": 1, "c": 1 },
+                         {"a": 2, "b": 2, "c": 2 },
+                         {"a": 3, "b": 3, "c": 3 } ] }
+];
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.query.sqlpp
index 6095b26..c9b3208 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.query.sqlpp
@@ -16,9 +16,11 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+FROM     KSI k
+UNNEST   k.uarr_i i
+WHERE    i.a = 1 AND
+         i.b = 1
+SELECT   k.id
+ORDER BY k.id;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.query.sqlpp
index 6095b26..96aee1c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.query.sqlpp
@@ -16,9 +16,12 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+USE    test;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+FROM     KSI k
+UNNEST   k.uarr_i i
+WHERE    i.a = 1 AND
+         i.b = 1 AND
+         i.c = 1
+SELECT   k.id
+ORDER BY k.id;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incomparable_types/incomparable_types.003.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incomparable_types/incomparable_types.003.query.sqlpp
index 66e6595..c9f0619 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incomparable_types/incomparable_types.003.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incomparable_types/incomparable_types.003.query.sqlpp
@@ -17,10 +17,11 @@
  * under the License.
  */
 
+set `compiler.parallelism` "1";
 -- param max-warnings:string=10
 
 use test;
 
 from ds1 join ds2 on ds1.f /*+ hash-bcast */ = ds2.f
 where ds1.f > 1
-select ds1.f;
\ No newline at end of file
+select ds1.f;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.1.ddl.sqlpp
new file mode 100644
index 0000000..e1d6b10
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.1.ddl.sqlpp
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Description: Test ANALYZE DATASET statement
+ */
+
+set `import-private-functions` `true`;
+
+drop dataverse test if exists;
+create dataverse test;
+use test;
+
+create function listMetadata(showSourceAvgItemSize, showSeed) {
+  select i.DatasetName, i.IndexName, i.SampleCardinalityTarget, i.SourceCardinality,
+    case when showSourceAvgItemSize then i.SourceAvgItemSize else i.SourceAvgItemSize > 0 end as SourceAvgItemSize,
+    case when showSeed then i.SampleSeed else i.SampleSeed is known end as SampleSeed
+  from Metadata.`Index` i
+  where i.DataverseName = "test" and i.IndexName like "sample_idx%"
+  order by i.IndexName
+};
+
+create function showSampleStats(dsName, idxName, showMinMax) {
+  select count(v.values) as cnt,
+    case when showMinMax then min(v.values[0]) else min(v.values[0]) > 0 end as min_pk,
+    case when showMinMax then max(v.values[0]) else max(v.values[0]) > 0 end as max_pk,
+    case when showMinMax then min(v.values[1].x) else min(v.values[1].x) < 0 end as min_x,
+    case when showMinMax then max(v.values[1].x) else max(v.values[1].x) < 0 end as max_x
+  from dump_index("test", dsName, idxName) as v
+};
+
+create type t1 as open {
+  id : bigint
+};
+
+create dataset ds1(t1) primary key id;
+
+-- analyze on an empty dataset
+
+analyze dataset ds1;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.10.ddl.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.10.ddl.sqlpp
index 6095b26..da5fe13 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.10.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: analyze dataset with sample=medium.
+ * Note, there are fewer tuples in the dataset that the target sample size
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset test.ds1 with { "sample": "medium", "sample-seed": 234.0 };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.11.query.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.11.query.sqlpp
index 6095b26..38ded0a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.11.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, true) metadata,
+  showSampleStats("ds1", "sample_idx_2_ds1", true) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.12.update.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.12.update.sqlpp
index 6095b26..0e3886d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.12.update.sqlpp
@@ -17,8 +17,12 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Insert more data
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+insert into ds1
+select element {'id':x, 'x':-x }
+from range(1101, 4400) as x;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.13.ddl.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.13.ddl.sqlpp
index 6095b26..b098016 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.13.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: analyze dataset with sample=medium
+ * Note, there are more tuples in the dataset that the target sample size
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset ds1 with { "sample": "medium" };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.14.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.14.query.sqlpp
index 6095b26..4cae202 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.14.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, false) metadata,
+  showSampleStats("ds1", "sample_idx_1_ds1", false) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.15.ddl.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.15.ddl.sqlpp
index 6095b26..6ceb8141 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.15.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: analyze dataset with sample=high.
+ * Note, there are fewer tuples in the dataset that the target sample size
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset ds1 with { "sample": "high", "sample-seed": "345" };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.16.query.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.16.query.sqlpp
index 6095b26..38ded0a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.16.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, true) metadata,
+  showSampleStats("ds1", "sample_idx_2_ds1", true) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.17.update.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.17.update.sqlpp
index 6095b26..0c5f8ad 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.17.update.sqlpp
@@ -17,8 +17,12 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Insert more data
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+insert into ds1
+select element {'id':x, 'x':-x }
+from range(4401, 17100) as x;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.18.ddl.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.18.ddl.sqlpp
index 6095b26..4385f95 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.18.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: analyze dataset with sample=high
+ * Note, there are more tuples in the dataset that the target sample size
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset ds1 with { "sample": "high" };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.19.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.19.query.sqlpp
index 6095b26..4cae202 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.19.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, false) metadata,
+  showSampleStats("ds1", "sample_idx_1_ds1", false) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.2.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.2.query.sqlpp
index 6095b26..e786e0e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.2.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Check that the sample index was created even thought
+ *              the source dataset is empty
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+listMetadata(true, false);
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.20.ddl.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.20.ddl.sqlpp
index 6095b26..3190b2d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.20.ddl.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: test that the sample index is dropped using "analyze dataset drop statistics" statement
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset ds1 drop statistics;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.21.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.21.query.sqlpp
index 6095b26..759fc3f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.21.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was dropped
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+select count(*) cnt
+from listMetadata(true, false) v;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.22.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.22.ddl.sqlpp
index 6095b26..7d6bf92 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.22.ddl.sqlpp
@@ -17,8 +17,6 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use test;
 
-select value v from range(1,2) v where v > ?;
+analyze dataset ds1;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.23.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.23.query.sqlpp
index 6095b26..a593df3 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.23.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created again
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+select count(*) cnt
+from listMetadata(true, false) v;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.24.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.24.ddl.sqlpp
index 6095b26..151309a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.24.ddl.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: test that the sample index is dropped when its source dataset is dropped
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+drop dataset ds1;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.25.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.25.query.sqlpp
index 6095b26..759fc3f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.25.query.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was dropped
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+select count(*) cnt
+from listMetadata(true, false) v;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.3.update.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.3.update.sqlpp
index 6095b26..1b83b99 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.3.update.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use test;
 
-select value v from range(1,2) v where v > ?;
+insert into ds1
+select element {'id':x, 'x':-x }
+from range(1, 8) as x;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.4.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.4.ddl.sqlpp
index 6095b26..ed97897 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.4.ddl.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Test sample size parameter
+ */
 
-select value v from range(1,2) v where v > ?;
+analyze dataset test.ds1 with { "sample": "low", "sample-seed": 123 };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.5.query.sqlpp
similarity index 72%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.5.query.sqlpp
index 6095b26..e0cd6cc 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.5.query.sqlpp
@@ -17,8 +17,15 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that sample index was recreated with a new name.
+ * Also check that all 8 dataset tuples are in the sample
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, true) metadata,
+  showSampleStats("ds1", "sample_idx_2_ds1", true) stats
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.6.update.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.6.update.sqlpp
index 6095b26..340fbb3 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.6.update.sqlpp
@@ -17,8 +17,12 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Insert more data
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+insert into ds1
+select element {'id':x, 'x':-x }
+from range(9, 1100) as x;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.7.query.sqlpp
similarity index 72%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.7.query.sqlpp
index 6095b26..c4930b0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.7.query.sqlpp
@@ -17,8 +17,15 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample content remains the same
+ * after INSERT because we did not run ANALYZE DATASET after that
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, true) metadata,
+  showSampleStats("ds1", "sample_idx_2_ds1", true) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.8.ddl.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.8.ddl.sqlpp
index 6095b26..2f452f0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.8.ddl.sqlpp
@@ -17,8 +17,11 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: analyze dataset with sample=low.
+ * Note, there are more tuples in the dataset that the target sample size
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+analyze dataset ds1 with { "sample": "low" };
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.9.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.9.query.sqlpp
index 6095b26..4cae202 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-1/analyze-dataset-1.9.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: check that the sample was re-created
+ */
 
-select value v from range(1,2) v where v > ?;
+set `import-private-functions` `true`;
+
+use test;
+
+select * from
+  listMetadata(false, false) metadata,
+  showSampleStats("ds1", "sample_idx_1_ds1", false) stats;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.01.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.01.ddl.sqlpp
new file mode 100644
index 0000000..8c374a2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.01.ddl.sqlpp
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Description: Test collecting secondary indexes stats with ANALYZE DATASET statement
+ */
+
+DROP DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE test;
+
+CREATE TYPE testType AS OPEN {
+  id : uuid
+};
+
+CREATE DATASET ds1(testType) PRIMARY KEY id AUTOGENERATED;
+CREATE DATASET ds2(testType) PRIMARY KEY id AUTOGENERATED;
+CREATE DATASET ds3(testType) PRIMARY KEY id AUTOGENERATED;
+CREATE DATASET ds4(testType) PRIMARY KEY id AUTOGENERATED;
+
+CREATE INDEX ds1_idx1 ON ds1(name: string);
+CREATE INDEX ds1_idx2 ON ds1(UNNEST interests: string) EXCLUDE UNKNOWN KEY;;
+CREATE PRIMARY INDEX ds1_idx3 ON ds1;
+
+CREATE INDEX ds2_idx1 ON ds2(name: string);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.02.update.sqlpp
similarity index 61%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.02.update.sqlpp
index 6095b26..711b914 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.02.update.sqlpp
@@ -17,8 +17,9 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+LOAD DATASET ds1 USING localfs (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+LOAD DATASET ds2 USING localfs (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+LOAD DATASET ds3 USING localfs (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+LOAD DATASET ds4 USING localfs (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.03.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.03.ddl.sqlpp
index 6095b26..97e07ba 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.03.ddl.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+ANALYZE DATASET ds1;
+ANALYZE DATASET ds2;
+ANALYZE DATASET ds3;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.query.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.query.sqlpp
index 6095b26..9c01681 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.query.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+FROM `Metadata`.`Index` t WHERE t.IndexStructure = "SAMPLE"
+SELECT t.* EXCLUDE DataverseName, SearchKey, IsPrimary, Timestamp, PendingOp, SampleSeed
+ORDER BY t.DatasetName, t.IndexName;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.05.ddl.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.05.ddl.sqlpp
index 6095b26..4a2edf0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.05.ddl.sqlpp
@@ -17,8 +17,7 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+DROP INDEX ds1.ds1_idx3;
+ANALYZE DATASET ds1;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.query.sqlpp
similarity index 80%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.query.sqlpp
index 6095b26..9c01681 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.query.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+FROM `Metadata`.`Index` t WHERE t.IndexStructure = "SAMPLE"
+SELECT t.* EXCLUDE DataverseName, SearchKey, IsPrimary, Timestamp, PendingOp, SampleSeed
+ORDER BY t.DatasetName, t.IndexName;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.99.ddl.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.99.ddl.sqlpp
index 6095b26..36b2bab 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.99.ddl.sqlpp
@@ -17,8 +17,4 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+DROP DATAVERSE test IF EXISTS;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.1.ddl.sqlpp
similarity index 70%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.1.ddl.sqlpp
index 6095b26..1bea9c2 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.1.ddl.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test plan when right branch of an inner join uses an outer variable.
+ * Currently this results in NL join
+ */
 
-select value v from range(1,2) v where v > ?;
+drop dataverse test if exists;
+create dataverse test;
+use test;
+
+create dataset t1(id bigint not unknown) open type primary key id;
+create dataset t2(id uuid not unknown) open type primary key id autogenerated;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.2.update.sqlpp
similarity index 68%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.2.update.sqlpp
index 6095b26..7f3bae1 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.2.update.sqlpp
@@ -17,8 +17,18 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test plan when right branch of an inner join uses an outer variable.
+ * Currently this results in NL join
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+insert into t1([
+  {"id": 1, "x": [{"b": 1}, {"b": 2}, {"b": 1}, {"b": 2}, {"b": 4}, {"b": 3}, {"b": 5}] },
+  {"id": 2, "x": [{"b": 9}, {"b": 2}, {"b": 7}, {"b": 2}, {"b": 4}, {"b": 3}, {"b": 5}] }
+]);
+insert into t2([
+  {"y": 1},
+  {"y": 3}
+]);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.3.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.3.query.sqlpp
index 6095b26..aea825f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/inner_right_corr/inner_right_corr.3.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Test plan when right branch of an inner join uses an outer variable.
+ * Currently this results in NL join
+ */
 
-select value v from range(1,2) v where v > ?;
+use test;
+
+select a
+from t1
+let a = (select value count(*) from t2 join t1.x as z on t2.y = z.b )
+order by t1.id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.1.ddl.sqlpp
new file mode 100644
index 0000000..ab0aa32
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.1.ddl.sqlpp
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Test the fix for nested loop join delivered partitioning property ASTERIXDB-3066
+ */
+
+DROP DATAVERSE tpch IF EXISTS;
+CREATE DATAVERSE tpch;
+
+USE tpch;
+
+CREATE TYPE tpch.SupplierType AS
+ CLOSED {
+  s_suppkey : bigint,
+  s_name : string,
+  s_address : string,
+  s_nationkey : bigint,
+  s_phone : string,
+  s_acctbal : double,
+  s_comment : string
+};
+
+CREATE TYPE tpch.PartType AS
+ CLOSED {
+  p_partkey : bigint,
+  p_name : string,
+  p_mfgr : string,
+  p_brand : string,
+  p_type : string,
+  p_size : bigint,
+  p_container : string,
+  p_retailprice : double,
+  p_comment : string
+};
+
+CREATE TYPE tpch.PartSuppType AS
+ CLOSED {
+  ps_partkey : bigint,
+  ps_suppkey : bigint,
+  ps_availqty : bigint,
+  ps_supplycost : double,
+  ps_comment : string
+};
+
+CREATE DATASET Supplier(SupplierType) PRIMARY KEY s_suppkey;
+CREATE DATASET Part(PartType) PRIMARY KEY p_partkey;
+CREATE DATASET Partsupp(PartSuppType) PRIMARY KEY ps_partkey,ps_suppkey;
+
+CREATE INDEX partsupp_fk_part ON Partsupp (ps_partkey);
+CREATE INDEX partsupp_fk_supplier ON Partsupp (ps_suppkey);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.2.update.sqlpp
similarity index 65%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.2.update.sqlpp
index 6095b26..b7396c3 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.2.update.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE tpch;
 
-select value v from range(1,2) v where v > ?;
+LOAD DATASET Supplier USING localfs ((`path`=`asterix_nc1://data/tpch0.001/supplier.tbl`),(`format`=`delimited-text`),(`delimiter`=`|`));
+LOAD DATASET Part USING localfs ((`path`=`asterix_nc1://data/tpch0.001/part.tbl`),(`format`=`delimited-text`),(`delimiter`=`|`));
+LOAD DATASET Partsupp USING localfs ((`path`=`asterix_nc1://data/tpch0.001/partsupp.tbl`),(`format`=`delimited-text`),(`delimiter`=`|`));
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.3.query.sqlpp
similarity index 81%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.3.query.sqlpp
index 6095b26..ec57b20 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.3.query.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE tpch;
 
-select value v from range(1,2) v where v > ?;
+FROM Supplier s JOIN (FROM Partsupp ps, Part p SELECT ps.ps_suppkey AS suppkey) AS p_ps
+ON s.s_suppkey /*+ hash-bcast */ = p_ps.suppkey
+SELECT count(*) AS count;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.4.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.4.query.sqlpp
index 6095b26..20eeff2 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.4.query.sqlpp
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE tpch;
 
-select value v from range(1,2) v where v > ?;
+FROM Supplier s JOIN (FROM Partsupp ps, Part p SELECT ps.ps_suppkey AS suppkey) AS p_ps
+ON s.s_suppkey = p_ps.suppkey
+SELECT count(*) AS count;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.5.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.5.query.sqlpp
index 6095b26..cb3e800 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/join/nlj_partitioning_property/nlj_partitioning_property.5.query.sqlpp
@@ -17,8 +17,7 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE tpch;
 
-select value v from range(1,2) v where v > ?;
+FROM Supplier s JOIN (FROM Partsupp ps, Part p SELECT ps.ps_suppkey AS suppkey) AS p_ps ON TRUE
+SELECT count(*) AS count;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.1.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.1.query.sqlpp
index 6095b26..c23e98c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.1.query.sqlpp
@@ -17,8 +17,7 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT VALUE A
+FROM [1, 2, 3] AS A
+LIMIT random()
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.2.query.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.2.query.sqlpp
index 6095b26..9c995e0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/limit/limit-non-pure-function/limit-non-pure-function.2.query.sqlpp
@@ -17,8 +17,12 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+/*
+ * Description: Make sure that the call to random() (rand) is not inlined
+ */
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+WITH rand AS random()
+SELECT A, rand
+FROM [1, 2, 3] AS A
+LIMIT rand
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/constant_folding/constant_folding.7.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/constant_folding/constant_folding.7.query.sqlpp
index 517a996..dfb47e9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/constant_folding/constant_folding.7.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/constant_folding/constant_folding.7.query.sqlpp
@@ -19,6 +19,10 @@
 
 /*
  * Description: No constant folding of OR with a non functional argument
+ *
+ * Update/note: this should be folded as the non functional argument would short-circuited in runtime. Due to
+ * ASTERIXDB-3103, the constant folding rule doesn't see a non functional argument, but a variable. Hence,
+ * the expression 'get_year(current_date()) < x' is eliminated
  */
 
 explain select value true or get_year(current_date()) < x
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.3.query.sqlpp
new file mode 100644
index 0000000..11c7325
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.3.query.sqlpp
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * test fix for ASTERIXDB-3075
+ */
+
+LET dv_name = ["test2", "test1"], ds_name = ["ds2", "ds1"], syn_name = [ "syn2", "syn1" ],
+synonym_names = (SELECT s.SynonymName, s.ObjectName
+                 FROM Metadata.`Synonym` s, syn_name
+                 WHERE s.SynonymName = syn_name),
+
+dataset_ds_dv_names = (SELECT d.DatasetName, d.DataverseName
+                       FROM Metadata.`Dataset` d, (SELECT * FROM ds_name, dv_name) AS ds_dv_names
+                       WHERE d.DatasetName = ds_dv_names.ds_name AND d.DataverseName = ds_dv_names.dv_name),
+
+dataset_dv_ds_names = (SELECT d.DatasetName, d.DataverseName
+                       FROM Metadata.`Dataset` d, (SELECT * FROM dv_name, ds_name) AS dv_ds_names
+                       WHERE d.DatasetName = dv_ds_names.ds_name AND d.DataverseName = dv_ds_names.dv_name),
+
+left_branch = (SELECT s.SynonymName, s.DataverseName, s.ObjectName
+               FROM Metadata.`Synonym` s LEFT OUTER JOIN dataset_dv_ds_names
+               ON dataset_dv_ds_names.DatasetName = s.ObjectName
+               ORDER BY s.DataverseName, s.SynonymName),
+
+right_branch = (SELECT synonym_names.SynonymName
+                FROM synonym_names LEFT OUTER JOIN dataset_ds_dv_names
+                ON dataset_ds_dv_names.DatasetName = synonym_names.ObjectName)
+
+FROM left_branch lb LEFT OUTER JOIN right_branch rb
+ON lb.ObjectName = rb.SynonymName
+SELECT lb.DataverseName, lb.SynonymName
+ORDER BY lb.DataverseName, lb.SynonymName;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.9.ddl.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.9.ddl.sqlpp
index 6095b26..bd99c9d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/metadata_only_02/metadata_only_02.9.ddl.sqlpp
@@ -17,8 +17,5 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+drop dataverse test1 if exists;
+drop dataverse test2 if exists;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/serialized_size_fun/serialized_size_fun.01.query.sqlpp
similarity index 75%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/serialized_size_fun/serialized_size_fun.01.query.sqlpp
index 6095b26..d3c8f1a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/serialized_size_fun/serialized_size_fun.01.query.sqlpp
@@ -16,9 +16,14 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+SET `import-private-functions` `true`;
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
-
-select value v from range(1,2) v where v > ?;
+from [
+{"id": 1, "f": 1},
+{"id": 2, "f": true},
+{"id": 3, "f": "test"},
+{"id": 4, "f": [1,2]},
+{"id": 5, "f": {"f1": 1, "f2": [{"n": "str"}]}}
+] AS t
+select t.f AS val, serialized_size(t.f) AS serialized_size
+order by t.id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
index 623237b..8532fe9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
@@ -244,4 +244,9 @@
       <expected-warn>Duplicate field name 'fname1' (in line 25, at column 45)</expected-warn>
     </compilation-unit>
   </test-case>
+  <test-case FilePath="objects">
+    <compilation-unit name="load-record-fields">
+      <output-dir compare="Text">load-record-fields</output-dir>
+    </compilation-unit>
+  </test-case>
 </test-group>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp
index 6095b26..99898f9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+DROP DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
 
-select value v from range(1,2) v where v > ?;
+USE test;
+
+CREATE TYPE OpenType AS {
+    id: int
+};
+
+CREATE DATASET MyDataset(OpenType)
+PRIMARY KEY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp
index 6095b26..1f80ae1 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp
@@ -17,8 +17,9 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+INSERT INTO MyDataset (
+    {"id": 1, "name": "Alice"},
+    {"id": 2, "name": "Bob"}
+);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp
similarity index 79%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp
index 6095b26..1ed0c05 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+
+SELECT VALUE md.name
+FROM MyDataset md
+LET myObject = {"myUid": uuid()}
+WHERE myObject.myUid != uuid()
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp
similarity index 79%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp
index 6095b26..96095b4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+EXPLAIN
+SELECT VALUE md.name
+FROM MyDataset md
+LET myObject = {"myUid": uuid()}
+WHERE myObject.myUid != uuid()
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.5.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.5.query.sqlpp
index 6095b26..60f5d4b 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.5.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+
+SELECT VALUE md.name
+FROM MyDataset md
+LET currentData = {"myDate": current_date()}
+WHERE currentData.myDate != date("1980-09-10")
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.6.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.6.query.sqlpp
index 6095b26..5dae0bc 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.6.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+EXPLAIN
+SELECT VALUE md.name
+FROM MyDataset md
+LET currentData = {"myDate": current_date()}
+WHERE currentData.myDate != date("1980-09-10")
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.query.sqlpp
index 31e68b0..0a81db6 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.query.sqlpp
@@ -25,8 +25,7 @@
 
 use test;
 
-
-select element d
+select d.int_m, d.int_o, d.string_m, d.string_o
 from  DataOpen as d
-order by d.id
+order by d.int_m, d.int_o, d.string_m, d.string_o;
 ;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.4.query.sqlpp
similarity index 72%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.4.query.sqlpp
index 6095b26..1f7c7d5 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.4.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+// see ASTERIXDB-3043
+SET `compiler.joinmemory` "160KB";
 
-select value v from range(1,2) v where v > ?;
+USE tpcds;
+
+SELECT count (*) AS cnt
+FROM customer c, customer_demographics cd2, customer_address ca
+WHERE
+ c.c_current_cdemo_sk /*+ indexnl */ = cd2.cd_demo_sk
+ AND c.c_current_addr_sk /*+ indexnl */ = ca.ca_address_sk
+ AND c.c_birth_month in [4,5];
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.5.query.sqlpp
similarity index 74%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.5.query.sqlpp
index 6095b26..3a7ae0b 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/tpcds/q18/q18.5.query.sqlpp
@@ -17,8 +17,14 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+// see ASTERIXDB-3043
+SET `compiler.joinmemory` "160KB";
 
-select value v from range(1,2) v where v > ?;
+USE tpcds;
+
+SELECT count (*) AS cnt
+FROM customer c, customer_demographics cd2, customer_address ca
+WHERE
+ c.c_current_cdemo_sk = cd2.cd_demo_sk
+ AND c.c_current_addr_sk = ca.ca_address_sk
+ AND c.c_birth_month in [4,5];
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.01.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.01.ddl.sqlpp
new file mode 100644
index 0000000..a500927
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.01.ddl.sqlpp
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+USE test;
+
+// ************** Types **************
+
+CREATE TYPE OpenType AS {
+};
+
+CREATE TYPE TypeWithKnownField AS {
+    id: int,
+    review: string
+};
+
+// ************** Datasets **************
+
+CREATE External Dataset ExternalDataset(OpenType) USING localfs (
+    ("path" = "asterix_nc1://data/json/single-line/20-records.json"),
+    ("format" = "json")
+);
+
+CREATE DATASET DatasetWithKnownField(TypeWithKnownField)
+PRIMARY KEY id;
+
+// ************** Views **************
+
+CREATE OR REPLACE VIEW ExternalView (
+    uid uuid,
+    id int,
+    year int,
+    quarter int,
+    review string
+)
+DEFAULT NULL
+PRIMARY KEY (uid) NOT ENFORCED
+AS
+SELECT
+    uuid() uid,
+    d.id,
+    d.year,
+    d.quarter,
+    d.review
+FROM ExternalDataset d;
+
+
+CREATE OR REPLACE VIEW ViewWithKnownField (
+    id int,
+    year int,
+    quarter int,
+    review string
+)
+DEFAULT NULL
+PRIMARY KEY (id) NOT ENFORCED
+AS
+SELECT
+    d.id,
+    d.year,
+    d.quarter,
+    d.review
+FROM DatasetWithKnownField d;
+
+
+CREATE OR REPLACE VIEW ViewWithKnownFieldAndUuidKey (
+    uid uuid,
+    id int,
+    year int,
+    quarter int,
+    review string
+)
+DEFAULT NULL
+PRIMARY KEY (uid) NOT ENFORCED
+AS
+SELECT
+    uuid() uid,
+    d.id,
+    d.year,
+    d.quarter,
+    d.review
+FROM DatasetWithKnownField d;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.02.update.sqlpp
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.02.update.sqlpp
index 6095b26..29b78b4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.02.update.sqlpp
@@ -17,8 +17,9 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+LOAD DATASET DatasetWithKnownField USING localfs (
+    ("path" = "asterix_nc1://data/json/single-line/20-records.json"),
+    ("format" = "json")
+);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.03.query.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.03.query.sqlpp
index 6095b26..e87ab52 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.03.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ExternalView v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.04.query.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.04.query.sqlpp
index 6095b26..ae30b48 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.04.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ExternalView v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.05.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.05.query.sqlpp
index 6095b26..e66cd7d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.05.query.sqlpp
@@ -17,8 +17,9 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT v.id, v.review
+FROM ExternalView v
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.06.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.06.query.sqlpp
index 6095b26..6b272ce 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.06.query.sqlpp
@@ -17,8 +17,9 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT v.id, v.review
+FROM ExternalView v
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.07.query.sqlpp
similarity index 78%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.07.query.sqlpp
index 6095b26..e703f5d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.07.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ViewWithKnownField v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.08.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.08.query.sqlpp
index 6095b26..0661cc4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.08.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ViewWithKnownField v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.09.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.09.query.sqlpp
index 6095b26..676227e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.09.query.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT v.id, v.review
+FROM ViewWithKnownField v
+ORDER BY v.id
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.10.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.10.query.sqlpp
index 6095b26..aec8c67 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.10.query.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT v.id, v.review
+FROM ViewWithKnownField v
+ORDER BY v.id
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.11.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.11.query.sqlpp
index 6095b26..acf950e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.11.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ViewWithKnownFieldAndUuidKey v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.12.query.sqlpp
similarity index 77%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.12.query.sqlpp
index 6095b26..9feb85c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.12.query.sqlpp
@@ -17,8 +17,16 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT x.id, x.review
+FROM (
+    SELECT v.id, v.review
+    FROM ViewWithKnownFieldAndUuidKey v
+    WHERE v.review = "good"
+      AND year IS NOT UNKNOWN
+      AND quarter IS NOT UNKNOWN
+    LIMIT 3
+) x
+ORDER BY x.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.13.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.13.query.sqlpp
index 6095b26..4ff1f89 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.13.query.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+
+SELECT v.id, v.review
+FROM ViewWithKnownFieldAndUuidKey v
+ORDER BY v.id
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.14.query.sqlpp
similarity index 84%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.14.query.sqlpp
index 6095b26..3d451bc 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/view/view-pushdown/view-pushdown.14.query.sqlpp
@@ -17,8 +17,10 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+USE test;
 
-select value v from range(1,2) v where v > ?;
+EXPLAIN
+SELECT v.id, v.review
+FROM ViewWithKnownFieldAndUuidKey v
+ORDER BY v.id
+LIMIT 3
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.1.ddl.sqlpp
new file mode 100644
index 0000000..79ede1c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.1.ddl.sqlpp
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test warnings for enhanced broadcast join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.query.sqlpp
index 6095b26..5c3d855 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced broadcast join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcas */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.query.sqlpp
index 6095b26..2639913 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced broadcast join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast () */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.query.sqlpp
index 6095b26..73149a8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced broadcast join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hash-bcast (cn) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.01.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.01.ddl.sqlpp
new file mode 100644
index 0000000..14ff86d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.01.ddl.sqlpp
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+
+DROP dataverse tpch IF EXISTS;
+CREATE  dataverse tpch;
+
+USE tpch;
+
+
+CREATE TYPE OrderType AS {
+  o_orderkey : integer
+};
+
+CREATE TYPE CustomerType AS {
+  c_custkey : integer
+};
+
+CREATE TYPE NationType AS {
+  n_nationkey : integer
+};
+
+CREATE DATASET orders(OrderType) PRIMARY KEY o_orderkey;
+
+CREATE DATASET customer(CustomerType) PRIMARY KEY c_custkey;
+
+CREATE DATASET nation(NationType) PRIMARY KEY n_nationkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.query.sqlpp
index 6095b26..2134749 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.query.sqlpp
index 6095b26..218c395 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjon build */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.query.sqlpp
index 6095b26..e447779 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin buil */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.query.sqlpp
index 6095b26..447f68f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build () */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.query.sqlpp
index 6095b26..6ec7e4a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin build (cn) */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.query.sqlpp
index 6095b26..bc5da6d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.query.sqlpp
index 6095b26..a2aad7d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjon probe */ = o.o_custkey;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.query.sqlpp
index 6095b26..e4d7fb0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.query.sqlpp
@@ -16,9 +16,22 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin prob */ = o.o_custkey;
+
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.query.sqlpp
index 6095b26..f69bc62 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe () */ = o.o_custkey;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.query.sqlpp
similarity index 63%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.query.sqlpp
index 6095b26..6bd515c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.query.sqlpp
@@ -16,9 +16,21 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+/*
+* Description  : Test warnings for enhanced hash join hint
+* Expected Res : Warning, ignore hint
+* Date         : 11/20/2022
+*/
+// requesttype=application/json
+// param max-warnings:json=10
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+use tpch;
 
-select value v from range(1,2) v where v > ?;
+SELECT COUNT(*)
+FROM orders o,
+            (
+              SELECT *
+              FROM customer c,
+                            nation n
+              WHERE c.c_nationkey = n.n_nationkey) cn
+WHERE cn.c_custkey /*+ hashjoin probe (cn) */ = o.o_custkey;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate-sql/count_dataset/count_dataset.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate-sql/count_dataset/count_dataset.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate-sql/count_dataset/count_dataset.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate-sql/count_dataset/count_dataset.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate/count_dataset/count_dataset.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate/count_dataset/count_dataset.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate/count_dataset/count_dataset.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/aggregate/count_dataset/count_dataset.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1/cluster_state_1.1.regexadm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1/cluster_state_1.1.regexadm
index c55c0bc..e847f04 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1/cluster_state_1.1.regexadm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1/cluster_state_1.1.regexadm
@@ -10,7 +10,10 @@
     "active\.suspend\.timeout" : 3600,
     "azure.request.timeout" : 120,
     "compiler\.arrayindex" : true,
+    "compiler.cbo" : false,
+    "compiler.cbotest" : true,
     "compiler\.external\.field\.pushdown" : true,
+    "compiler.forcejoinorder" : false,
     "compiler\.framesize" : 32768,
     "compiler\.groupmemory" : 163840,
     "compiler\.indexonly" : true,
@@ -18,6 +21,7 @@
     "compiler\.joinmemory" : 262144,
     "compiler\.min\.memory\.allocation" : true,
     "compiler\.parallelism" : 0,
+    "compiler.queryplanshape" : "zigzag",
     "compiler\.sort\.parallel" : false,
     "compiler\.sort\.samples" : 100,
     "compiler\.sortmemory" : 327680,
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_full/cluster_state_1_full.1.regexadm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_full/cluster_state_1_full.1.regexadm
index 661daf3..8571896 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_full/cluster_state_1_full.1.regexadm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_full/cluster_state_1_full.1.regexadm
@@ -10,7 +10,10 @@
     "active\.suspend\.timeout" : 3600,
     "azure.request.timeout" : 120,
     "compiler\.arrayindex" : true,
+    "compiler.cbo" : false,
+    "compiler.cbotest" : true,
     "compiler\.external\.field\.pushdown" : true,
+    "compiler.forcejoinorder" : false,
     "compiler\.framesize" : 32768,
     "compiler\.groupmemory" : 163840,
     "compiler\.indexonly" : true,
@@ -18,6 +21,7 @@
     "compiler\.joinmemory" : 262144,
     "compiler\.min\.memory\.allocation" : true,
     "compiler\.parallelism" : -1,
+    "compiler.queryplanshape" : "zigzag",
     "compiler\.sort\.parallel" : true,
     "compiler\.sort\.samples" : 100,
     "compiler\.sortmemory" : 327680,
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_less/cluster_state_1_less.1.regexadm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_less/cluster_state_1_less.1.regexadm
index 1f0e865..bcc919f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_less/cluster_state_1_less.1.regexadm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/cluster_state_1_less/cluster_state_1_less.1.regexadm
@@ -10,7 +10,10 @@
     "active\.suspend\.timeout" : 3600,
     "azure.request.timeout" : 120,
     "compiler\.arrayindex" : true,
+    "compiler.cbo" : false,
+    "compiler.cbotest" : true,
     "compiler\.external\.field\.pushdown" : true,
+    "compiler.forcejoinorder" : false,
     "compiler\.framesize" : 32768,
     "compiler\.groupmemory" : 163840,
     "compiler\.indexonly" : true,
@@ -18,6 +21,7 @@
     "compiler\.joinmemory" : 262144,
     "compiler\.min\.memory\.allocation" : true,
     "compiler\.parallelism" : 3,
+    "compiler.queryplanshape" : "zigzag",
     "compiler\.sort\.parallel" : true,
     "compiler\.sort\.samples" : 100,
     "compiler\.sortmemory" : 327680,
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.10.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.10.adm
new file mode 100644
index 0000000..bacb60c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.10.adm
@@ -0,0 +1 @@
+{ "cnt": 0 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.2.adm
new file mode 100644
index 0000000..c1ff5e5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.2.adm
@@ -0,0 +1,6 @@
+{ "k": "Dataset", "n": "ds1" }
+{ "k": "Dataset", "n": "v1" }
+{ "k": "Datatype", "n": "t1" }
+{ "k": "Dataverse", "n": "test1" }
+{ "k": "Function", "n": "f1" }
+{ "k": "Synonym", "n": "s1" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.4.adm
new file mode 100644
index 0000000..c1ff5e5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.4.adm
@@ -0,0 +1,6 @@
+{ "k": "Dataset", "n": "ds1" }
+{ "k": "Dataset", "n": "v1" }
+{ "k": "Datatype", "n": "t1" }
+{ "k": "Dataverse", "n": "test1" }
+{ "k": "Function", "n": "f1" }
+{ "k": "Synonym", "n": "s1" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.6.adm
new file mode 100644
index 0000000..c1ff5e5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.6.adm
@@ -0,0 +1,6 @@
+{ "k": "Dataset", "n": "ds1" }
+{ "k": "Dataset", "n": "v1" }
+{ "k": "Datatype", "n": "t1" }
+{ "k": "Dataverse", "n": "test1" }
+{ "k": "Function", "n": "f1" }
+{ "k": "Synonym", "n": "s1" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.8.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.8.adm
new file mode 100644
index 0000000..c1ff5e5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly-2/compileonly-2.8.adm
@@ -0,0 +1,6 @@
+{ "k": "Dataset", "n": "ds1" }
+{ "k": "Dataset", "n": "v1" }
+{ "k": "Datatype", "n": "t1" }
+{ "k": "Dataverse", "n": "test1" }
+{ "k": "Function", "n": "f1" }
+{ "k": "Synonym", "n": "s1" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.adm
deleted file mode 100644
index 1ced420..0000000
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.adm
+++ /dev/null
@@ -1 +0,0 @@
-{"statementCategory":"query","statementParameters":[1,2]}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.1.regexjson b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.regexjson
similarity index 67%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.1.regexjson
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.regexjson
index 40a764c..9856681 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.1.regexjson
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.2.regexjson
@@ -4,6 +4,7 @@
 	  "expressions":"R{.*}",
 	  "operatorId":"R{.*}",
 	  "execution-mode":"R{.*}",
+	  "optimizer-estimates":{"cardinality":0.0,"op-cost":0.0,"total-cost":0.0},
 	  "inputs":"R{.*}"
   }
 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.3.adm
index 83b47f4..1ced420 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.3.adm
@@ -1 +1 @@
-{"statementCategory":"query","statementParameters":[1,2],"explainOnly":true}
\ No newline at end of file
+{"statementCategory":"query","statementParameters":[1,2]}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.4.adm
index 63c482a..83b47f4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.4.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.4.adm
@@ -1 +1 @@
-{"statementCategory":"update","statementParameters":[1,2]}
\ No newline at end of file
+{"statementCategory":"query","statementParameters":[1,2],"explainOnly":true}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.5.adm
new file mode 100644
index 0000000..63c482a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/compileonly/compileonly.5.adm
@@ -0,0 +1 @@
+{"statementCategory":"update","statementParameters":[1,2]}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.adm
new file mode 100644
index 0000000..9545720
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.3.adm
@@ -0,0 +1,4 @@
+{ "id": 1 }
+{ "id": 2 }
+{ "id": 3 }
+{ "id": 5 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.adm
new file mode 100644
index 0000000..9545720
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-quantified-queries/multiple-indexes/multiple-indexes.4.adm
@@ -0,0 +1,4 @@
+{ "id": 1 }
+{ "id": 2 }
+{ "id": 3 }
+{ "id": 5 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.adm
new file mode 100644
index 0000000..9545720
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.3.adm
@@ -0,0 +1,4 @@
+{ "id": 1 }
+{ "id": 2 }
+{ "id": 3 }
+{ "id": 5 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.adm
new file mode 100644
index 0000000..9545720
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/array-index/select-unnest-queries/open/multiple-indexes/multiple-indexes.4.adm
@@ -0,0 +1,4 @@
+{ "id": 1 }
+{ "id": 2 }
+{ "id": 3 }
+{ "id": 5 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/array_fun/array_remove/array_remove.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/array_fun/array_remove/array_remove.5.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/array_fun/array_remove/array_remove.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/array_fun/array_remove/array_remove.5.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.11.adm
new file mode 100644
index 0000000..58f454b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.11.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_2_ds1", "SampleCardinalityTarget": 4252, "SourceCardinality": 1100, "SourceAvgItemSize": true, "SampleSeed": 234 }, "stats": { "cnt": 1100, "min_pk": 1, "max_pk": 1100, "min_x": -1100, "max_x": -1 } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.14.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.14.adm
new file mode 100644
index 0000000..6ef756a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.14.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_1_ds1", "SampleCardinalityTarget": 4252, "SourceCardinality": 4400, "SourceAvgItemSize": true, "SampleSeed": true }, "stats": { "cnt": 4246, "min_pk": true, "max_pk": true, "min_x": true, "max_x": true } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.16.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.16.adm
new file mode 100644
index 0000000..01eb5b7
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.16.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_2_ds1", "SampleCardinalityTarget": 17008, "SourceCardinality": 4400, "SourceAvgItemSize": true, "SampleSeed": 345 }, "stats": { "cnt": 4400, "min_pk": 1, "max_pk": 4400, "min_x": -4400, "max_x": -1 } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.19.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.19.adm
new file mode 100644
index 0000000..60b969f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.19.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_1_ds1", "SampleCardinalityTarget": 17008, "SourceCardinality": 17100, "SourceAvgItemSize": true, "SampleSeed": true }, "stats": { "cnt": 16972, "min_pk": true, "max_pk": true, "min_x": true, "max_x": true } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.2.adm
new file mode 100644
index 0000000..e3cefee
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.2.adm
@@ -0,0 +1 @@
+{ "DatasetName": "ds1", "IndexName": "sample_idx_1_ds1", "SampleCardinalityTarget": 1063, "SourceCardinality": 0, "SourceAvgItemSize": 0, "SampleSeed": true }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.21.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.21.adm
new file mode 100644
index 0000000..bacb60c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.21.adm
@@ -0,0 +1 @@
+{ "cnt": 0 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.23.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.23.adm
new file mode 100644
index 0000000..f86e66b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.23.adm
@@ -0,0 +1 @@
+{ "cnt": 1 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.25.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.25.adm
new file mode 100644
index 0000000..bacb60c
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.25.adm
@@ -0,0 +1 @@
+{ "cnt": 0 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.5.adm
new file mode 100644
index 0000000..605bb12
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.5.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_2_ds1", "SampleCardinalityTarget": 1063, "SourceCardinality": 8, "SourceAvgItemSize": true, "SampleSeed": 123 }, "stats": { "cnt": 8, "min_pk": 1, "max_pk": 8, "min_x": -8, "max_x": -1 } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.7.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.7.adm
new file mode 100644
index 0000000..605bb12
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.7.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_2_ds1", "SampleCardinalityTarget": 1063, "SourceCardinality": 8, "SourceAvgItemSize": true, "SampleSeed": 123 }, "stats": { "cnt": 8, "min_pk": 1, "max_pk": 8, "min_x": -8, "max_x": -1 } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.9.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.9.adm
new file mode 100644
index 0000000..0084d2b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-1/analyze-dataset-1.9.adm
@@ -0,0 +1 @@
+{ "metadata": { "DatasetName": "ds1", "IndexName": "sample_idx_1_ds1", "SampleCardinalityTarget": 1063, "SourceCardinality": 1100, "SourceAvgItemSize": true, "SampleSeed": true }, "stats": { "cnt": 1033, "min_pk": true, "max_pk": true, "min_x": true, "max_x": true } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.adm
new file mode 100644
index 0000000..aa355f4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.04.adm
@@ -0,0 +1,3 @@
+{ "DatasetName": "ds1", "IndexName": "sample_idx_1_ds1", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369, "IndexStats": [ { "IndexName": "ds1_idx3", "NumPages": 8 }, { "IndexName": "ds1_idx2", "NumPages": 8 }, { "IndexName": "ds1_idx1", "NumPages": 8 } ] }
+{ "DatasetName": "ds2", "IndexName": "sample_idx_1_ds2", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369, "IndexStats": [ { "IndexName": "ds2_idx1", "NumPages": 8 } ] }
+{ "DatasetName": "ds3", "IndexName": "sample_idx_1_ds3", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.adm
new file mode 100644
index 0000000..e193cb2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/ddl/analyze-dataset-with-indexes/analyze-dataset-with-indexes.06.adm
@@ -0,0 +1,3 @@
+{ "DatasetName": "ds1", "IndexName": "sample_idx_2_ds1", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369, "IndexStats": [ { "IndexName": "ds1_idx2", "NumPages": 8 }, { "IndexName": "ds1_idx1", "NumPages": 8 } ] }
+{ "DatasetName": "ds2", "IndexName": "sample_idx_1_ds2", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369, "IndexStats": [ { "IndexName": "ds2_idx1", "NumPages": 8 } ] }
+{ "DatasetName": "ds3", "IndexName": "sample_idx_1_ds3", "IndexStructure": "SAMPLE", "SampleCardinalityTarget": 1063, "SourceCardinality": 1000, "SourceAvgItemSize": 369 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access/explain_field_access.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access/explain_field_access.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access/explain_field_access.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access/explain_field_access.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access_closed/explain_field_access_closed.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access_closed/explain_field_access_closed.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access_closed/explain_field_access_closed.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_field_access_closed/explain_field_access_closed.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.plan
similarity index 83%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.plan
index 9a536a6..e89d96a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-01/explain_object_constructor-01.1.plan
@@ -2,7 +2,7 @@
 -- DISTRIBUTE_RESULT  |UNPARTITIONED|
   exchange
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    assign [$$2] <- [{ a: "1", b: 1 }]
+    assign [$$2] <- [{ "a": "1", "b": 1 }]
     -- ASSIGN  |UNPARTITIONED|
       empty-tuple-source
       -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.plan
similarity index 85%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.plan
index c637d87..2a8a531 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-02/explain_object_constructor-02.1.plan
@@ -2,7 +2,7 @@
 -- DISTRIBUTE_RESULT  |UNPARTITIONED|
   exchange
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    assign [$$2] <- [{ a: "1" }]
+    assign [$$2] <- [{ "a": "1" }]
     -- ASSIGN  |UNPARTITIONED|
       empty-tuple-source
-      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-03/explain_object_constructor-03.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-03/explain_object_constructor-03.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-03/explain_object_constructor-03.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_object_constructor-03/explain_object_constructor-03.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_simple/explain_simple.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_simple/explain_simple.1.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_simple/explain_simple.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/explain/explain_simple/explain_simple.1.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.03.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.03.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.03.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.05.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.05.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.05.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.07.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.07.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.07.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.07.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.09.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.09.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.09.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.09.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.plan
similarity index 98%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.plan
index de214d0..02a5277 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.15.plan
@@ -15,7 +15,7 @@
               subplan {
                         aggregate [$$39] <- [empty-stream()]
                         -- AGGREGATE  |LOCAL|
-                          select (not(if-missing-or-null(eq($$48, "string"), FALSE)))
+                          select (not(if-missing-or-null(eq($$48, "string"), false)))
                           -- STREAM_SELECT  |LOCAL|
                             assign [$$48] <- [$$ht.getField("display_url")]
                             -- ASSIGN  |LOCAL|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.plan
similarity index 98%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.plan
index 9f122c6..f0a3dcb 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.17.plan
@@ -15,7 +15,7 @@
               subplan {
                         aggregate [$$39] <- [empty-stream()]
                         -- AGGREGATE  |LOCAL|
-                          select (not(if-missing-or-null(eq($$48, "string"), FALSE)))
+                          select (not(if-missing-or-null(eq($$48, "string"), false)))
                           -- STREAM_SELECT  |LOCAL|
                             assign [$$48] <- [$$ht.getField("display_url")]
                             -- ASSIGN  |LOCAL|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.19.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.19.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.19.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.19.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.21.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.21.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.21.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.21.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.05.adm
deleted file mode 100644
index 5260a0a..0000000
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.05.adm
+++ /dev/null
@@ -1,22 +0,0 @@
-distribute result [$$p]
--- DISTRIBUTE_RESULT  |PARTITIONED|
-  exchange
-  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-    project ([$$p])
-    -- STREAM_PROJECT  |PARTITIONED|
-      exchange
-      -- SORT_MERGE_EXCHANGE [$$13(ASC) ]  |PARTITIONED|
-        order (ASC, $$13)
-        -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
-          exchange
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            assign [$$13] <- [$$p.getField("id")]
-            -- ASSIGN  |PARTITIONED|
-              exchange
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                data-scan []<-[$$p] <- test.ParquetDataset
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  exchange
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    empty-tuple-source
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.05.plan
similarity index 100%
copy from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.03.adm
copy to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.05.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.07.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.07.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.07.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.07.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.09.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.09.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.09.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.09.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.11.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.11.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.11.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.13.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.13.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.13.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.15.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.15.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.15.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.15.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.19.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.19.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.19.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.19.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.21.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.21.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.21.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.21.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.22.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.22.adm
deleted file mode 100644
index 1ffc9a7..0000000
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.22.adm
+++ /dev/null
@@ -1,32 +0,0 @@
-distribute result [$$17]
--- DISTRIBUTE_RESULT  |PARTITIONED|
-  exchange
-  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-    project ([$$17])
-    -- STREAM_PROJECT  |PARTITIONED|
-      assign [$$17] <- [{"id": $$21, "name": $$22}]
-      -- ASSIGN  |PARTITIONED|
-        project ([$$21, $$22])
-        -- STREAM_PROJECT  |PARTITIONED|
-          exchange
-          -- SORT_MERGE_EXCHANGE [$$20(ASC) ]  |PARTITIONED|
-            order (ASC, $$20)
-            -- STABLE_SORT [$$20(ASC)]  |PARTITIONED|
-              exchange
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                project ([$$21, $$22, $$20])
-                -- STREAM_PROJECT  |PARTITIONED|
-                  assign [$$22, $$21] <- [$$19.getField("name"), $$19.getField("id")]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$19, $$20])
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      assign [$$19, $$20] <- [$$p.getField("user"), $$p.getField("id")]
-                      -- ASSIGN  |PARTITIONED|
-                        exchange
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          data-scan []<-[$$p] <- test.ParquetDataset4 project ({id:any,user:{name:any,id:any}})
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            exchange
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              empty-tuple-source
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.22.plan
similarity index 100%
copy from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.17.adm
copy to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/field-access-pushdown/field-access-pushdown.22.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.plan
similarity index 94%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.plan
index 4a602ef..6114e6d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.03.plan
@@ -4,7 +4,7 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     project ([$$20])
     -- STREAM_PROJECT  |PARTITIONED|
-      assign [$$20] <- [switch-case(TRUE, is-array($$22), $$24, $$25)]
+      assign [$$20] <- [switch-case(true, is-array($$22), $$24, $$25)]
       -- ASSIGN  |PARTITIONED|
         project ([$$22, $$24, $$25])
         -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.plan
similarity index 95%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.plan
index 56dd2ee..420abf4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/heterogeneous-access-pushdown/heterogeneous-access-pushdown.05.plan
@@ -4,7 +4,7 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     project ([$$20])
     -- STREAM_PROJECT  |PARTITIONED|
-      assign [$$20] <- [switch-case(TRUE, is-array($$22), $$24, $$25)]
+      assign [$$20] <- [switch-case(true, is-array($$22), $$24, $$25)]
       -- ASSIGN  |PARTITIONED|
         project ([$$22, $$24, $$25])
         -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.3.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.3.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.5.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/object-concat/object-concat.5.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.02.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.02.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.02.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.02.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.03.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.03.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.03.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.04.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.04.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.04.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.04.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.06.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.06.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.06.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.06.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
similarity index 98%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
index 30d5ac3..cfe8897 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
@@ -93,7 +93,7 @@
                                                   -- HASH_PARTITION_EXCHANGE [$$81]  |PARTITIONED|
                                                     project ([$$104, $$81])
                                                     -- STREAM_PROJECT  |PARTITIONED|
-                                                      assign [$$104, $$81] <- [TRUE, $$ht2.getField("text")]
+                                                      assign [$$104, $$81] <- [true, $$ht2.getField("text")]
                                                       -- ASSIGN  |PARTITIONED|
                                                         project ([$$ht2])
                                                         -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/query-with-limit-plan/result.001.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/query-with-limit-plan/result.001.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/query-with-limit-plan/result.001.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/query-with-limit-plan/result.001.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/deterministic/deterministic.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/deterministic/deterministic.4.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/deterministic/deterministic.4.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/deterministic/deterministic.4.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/type_validation/type_validation.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/type_validation/type_validation.1.adm
index f164f97..121262f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/type_validation/type_validation.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-library/type_validation/type_validation.1.adm
@@ -1 +1 @@
-"907 9.07 \"907\" 9.07 TRUE date: { 2013-01-01 } datetime: { 1989-09-07T12:13:14.039 } "
+"907 9.07 \"907\" 9.07 true date: { 2013-01-01 } datetime: { 1989-09-07T12:13:14.039 } "
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/join/inner_right_corr/inner_right_corr.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/inner_right_corr/inner_right_corr.3.adm
new file mode 100644
index 0000000..2b2783f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/inner_right_corr/inner_right_corr.3.adm
@@ -0,0 +1,2 @@
+{ "a": [ 3 ] }
+{ "a": [ 1 ] }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.3.adm
new file mode 100644
index 0000000..e9eb380
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.3.adm
@@ -0,0 +1 @@
+{ "count": 159800 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.4.adm
new file mode 100644
index 0000000..e9eb380
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.4.adm
@@ -0,0 +1 @@
+{ "count": 159800 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.5.adm
new file mode 100644
index 0000000..f3142ea
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/join/nlj_partitioning_property/nlj_partitioning_property.5.adm
@@ -0,0 +1 @@
+{ "count": 1600000 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.1.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.1.plan
new file mode 100644
index 0000000..d5f6401
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.1.plan
@@ -0,0 +1,14 @@
+distribute result [$$A]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    project ([$$A])
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      limit switch-case(gt($$13, 0), true, $$13, 0)
+      -- STREAM_LIMIT  |UNPARTITIONED|
+        assign [$$13] <- [treat-as-integer(random())]
+        -- ASSIGN  |UNPARTITIONED|
+          unnest $$A <- scan-collection(array: [ 1, 2, 3 ])
+          -- UNNEST  |UNPARTITIONED|
+            empty-tuple-source
+            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.2.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.2.plan
new file mode 100644
index 0000000..54efcb6
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/limit-non-pure-function/limit-non-pure-function.2.plan
@@ -0,0 +1,18 @@
+distribute result [$$24]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    project ([$$24])
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      limit switch-case(gt($$25, 0), true, $$25, 0)
+      -- STREAM_LIMIT  |UNPARTITIONED|
+        project ([$$25, $$24])
+        -- STREAM_PROJECT  |UNPARTITIONED|
+          assign [$$25, $$24] <- [treat-as-integer($$21), {"A": $$A, "rand": $$21}]
+          -- ASSIGN  |UNPARTITIONED|
+            unnest $$A <- scan-collection(array: [ 1, 2, 3 ])
+            -- UNNEST  |UNPARTITIONED|
+              assign [$$21] <- [random()]
+              -- ASSIGN  |UNPARTITIONED|
+                empty-tuple-source
+                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/offset_without_limit/offset_without_limit.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/offset_without_limit/offset_without_limit.6.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/offset_without_limit/offset_without_limit.6.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/offset_without_limit/offset_without_limit.6.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan-select/push-limit-to-external-scan-select.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan-select/push-limit-to-external-scan-select.2.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan-select/push-limit-to-external-scan-select.2.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan-select/push-limit-to-external-scan-select.2.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan/push-limit-to-external-scan.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan/push-limit-to-external-scan.2.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan/push-limit-to-external-scan.2.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-external-scan/push-limit-to-external-scan.2.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.plan
similarity index 86%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.plan
index 3543f5d..607ed1a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.3.plan
@@ -12,7 +12,7 @@
           -- STREAM_LIMIT  |PARTITIONED|
             exchange
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              unnest-map [$$17, $$18, $$c] <- index-search("LineItem", 0, "test", "LineItem", FALSE, FALSE, 2, $$23, $$24, 2, $$23, $$24, TRUE, TRUE, TRUE) condition (and(lt($$c.getField(2), 150), lt($$c.getField(5), 10000))) limit 10
+              unnest-map [$$17, $$18, $$c] <- index-search("LineItem", 0, "test", "LineItem", false, false, 2, $$23, $$24, 2, $$23, $$24, true, true, true) condition (and(lt($$c.getField(2), 150), lt($$c.getField(5), 10000))) limit 10
               -- BTREE_SEARCH  |PARTITIONED|
                 exchange
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -24,11 +24,11 @@
                       -- STREAM_PROJECT  |PARTITIONED|
                         exchange
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          unnest-map [$$22, $$23, $$24] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", FALSE, FALSE, 0, 1, $$21, TRUE, FALSE, FALSE)
+                          unnest-map [$$22, $$23, $$24] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", false, false, 0, 1, $$21, true, false, false)
                           -- BTREE_SEARCH  |PARTITIONED|
                             exchange
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               assign [$$21] <- [150]
                               -- ASSIGN  |PARTITIONED|
                                 empty-tuple-source
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.plan
similarity index 88%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.plan
index 1f4ef66..cad5cf0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup-select/push-limit-to-primary-lookup-select.5.plan
@@ -18,7 +18,7 @@
                 -- ASSIGN  |PARTITIONED|
                   exchange
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    unnest-map [$$21, $$22, $$c] <- index-search("LineItem", 0, "test", "LineItem", FALSE, FALSE, 2, $$26, $$27, 2, $$26, $$27, TRUE, TRUE, TRUE) condition (lt($$c.getField(2), 150)) limit 5
+                    unnest-map [$$21, $$22, $$c] <- index-search("LineItem", 0, "test", "LineItem", false, false, 2, $$26, $$27, 2, $$26, $$27, true, true, true) condition (lt($$c.getField(2), 150)) limit 5
                     -- BTREE_SEARCH  |PARTITIONED|
                       exchange
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -30,11 +30,11 @@
                             -- STREAM_PROJECT  |PARTITIONED|
                               exchange
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                unnest-map [$$25, $$26, $$27] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", FALSE, FALSE, 0, 1, $$24, TRUE, FALSE, FALSE)
+                                unnest-map [$$25, $$26, $$27] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", false, false, 0, 1, $$24, true, false, false)
                                 -- BTREE_SEARCH  |PARTITIONED|
                                   exchange
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     assign [$$24] <- [150]
                                     -- ASSIGN  |PARTITIONED|
                                       empty-tuple-source
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.plan
similarity index 86%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.plan
index a0a3c84..60dedd5 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.3.plan
@@ -12,7 +12,7 @@
           -- STREAM_LIMIT  |PARTITIONED|
             exchange
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              unnest-map [$$14, $$15, $$c] <- index-search("LineItem", 0, "test", "LineItem", FALSE, FALSE, 2, $$19, $$20, 2, $$19, $$20, TRUE, TRUE, TRUE) condition (lt($$c.getField(2), 150)) limit 10
+              unnest-map [$$14, $$15, $$c] <- index-search("LineItem", 0, "test", "LineItem", false, false, 2, $$19, $$20, 2, $$19, $$20, true, true, true) condition (lt($$c.getField(2), 150)) limit 10
               -- BTREE_SEARCH  |PARTITIONED|
                 exchange
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -24,11 +24,11 @@
                       -- STREAM_PROJECT  |PARTITIONED|
                         exchange
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          unnest-map [$$18, $$19, $$20] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", FALSE, FALSE, 0, 1, $$17, TRUE, FALSE, FALSE)
+                          unnest-map [$$18, $$19, $$20] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", false, false, 0, 1, $$17, true, false, false)
                           -- BTREE_SEARCH  |PARTITIONED|
                             exchange
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               assign [$$17] <- [150]
                               -- ASSIGN  |PARTITIONED|
                                 empty-tuple-source
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.plan
similarity index 86%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.plan
index 44507f4..717f424 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-lookup/push-limit-to-primary-lookup.5.plan
@@ -12,7 +12,7 @@
           -- STREAM_LIMIT  |PARTITIONED|
             exchange
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              unnest-map [$$16, $$17, $$c] <- index-search("LineItem", 0, "test", "LineItem", FALSE, FALSE, 2, $$21, $$22, 2, $$21, $$22, TRUE, TRUE, TRUE) condition (lt($$c.getField(2), 150)) limit 10
+              unnest-map [$$16, $$17, $$c] <- index-search("LineItem", 0, "test", "LineItem", false, false, 2, $$21, $$22, 2, $$21, $$22, true, true, true) condition (lt($$c.getField(2), 150)) limit 10
               -- BTREE_SEARCH  |PARTITIONED|
                 exchange
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -24,11 +24,11 @@
                       -- STREAM_PROJECT  |PARTITIONED|
                         exchange
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          unnest-map [$$20, $$21, $$22] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", FALSE, FALSE, 0, 1, $$19, TRUE, FALSE, FALSE)
+                          unnest-map [$$20, $$21, $$22] <- index-search("idx_LineItem_suppkey", 0, "test", "LineItem", false, false, 0, 1, $$19, true, false, false)
                           -- BTREE_SEARCH  |PARTITIONED|
                             exchange
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               assign [$$19] <- [150]
                               -- ASSIGN  |PARTITIONED|
                                 empty-tuple-source
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.11.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.11.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.11.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.3.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.3.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.5.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.5.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.6.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.6.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.6.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.8.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.8.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.8.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan-select/push-limit-to-primary-scan-select.8.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.3.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.3.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.5.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.5.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.7.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.7.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.7.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.7.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.8.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.8.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.8.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/limit/push-limit-to-primary-scan/push-limit-to-primary-scan.8.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.plan
similarity index 88%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.plan
index f0da628..01a297a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/list/enforcing_item_type/enforcing_item_type.1.plan
@@ -6,7 +6,7 @@
     -- STREAM_PROJECT  |UNPARTITIONED|
       assign [$$20] <- [{"id": get-item($$t, 0), "v": get-item($$t, 1)}]
       -- ASSIGN  |UNPARTITIONED|
-        unnest $$t <- scan-collection(ordered-list-constructor(ordered-list-constructor(29, cast({ f1: "a", f2: 3 }))))
+        unnest $$t <- scan-collection(ordered-list-constructor(ordered-list-constructor(29, cast({ "f1": "a", "f2": 3 }))))
         -- UNNEST  |UNPARTITIONED|
           empty-tuple-source
           -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.plan
similarity index 80%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.plan
index 379603f..c757014 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.1.plan
@@ -2,7 +2,7 @@
 -- DISTRIBUTE_RESULT  |UNPARTITIONED|
   exchange
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    assign [$$5] <- [{ f1: 5, f2: 6, f3: 7 }]
+    assign [$$5] <- [{ "f1": 5, "f2": 6, "f3": 7 }]
     -- ASSIGN  |UNPARTITIONED|
       empty-tuple-source
       -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.plan
similarity index 95%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.plan
index aafd2d0..7a73900 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.plan
@@ -2,7 +2,7 @@
 -- DISTRIBUTE_RESULT  |UNPARTITIONED|
   exchange
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    assign [$$14] <- [TRUE]
+    assign [$$14] <- [true]
     -- ASSIGN  |UNPARTITIONED|
       project ([])
       -- STREAM_PROJECT  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.5.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.5.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.5.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.6.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.6.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.6.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.6.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.adm
deleted file mode 100644
index d2f3187..0000000
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.adm
+++ /dev/null
@@ -1,18 +0,0 @@
-distribute result [$$16]
--- DISTRIBUTE_RESULT  |UNPARTITIONED|
-  exchange
-  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    project ([$$16])
-    -- STREAM_PROJECT  |UNPARTITIONED|
-      assign [$$16] <- [or(TRUE, lt(get-year(current-date()), $$x))]
-      -- ASSIGN  |UNPARTITIONED|
-        exchange
-        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-          order (ASC, $$x)
-          -- STABLE_SORT [$$x(ASC)]  |UNPARTITIONED|
-            exchange
-            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-              unnest $$x <- range(1, 4)
-              -- UNNEST  |UNPARTITIONED|
-                empty-tuple-source
-                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.plan
similarity index 90%
copy from asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm
copy to asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.plan
index aafd2d0..52ccc4f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.3.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/constant_folding/constant_folding.7.plan
@@ -1,8 +1,8 @@
-distribute result [$$14]
+distribute result [$$16]
 -- DISTRIBUTE_RESULT  |UNPARTITIONED|
   exchange
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-    assign [$$14] <- [TRUE]
+    assign [$$16] <- [true]
     -- ASSIGN  |UNPARTITIONED|
       project ([])
       -- STREAM_PROJECT  |UNPARTITIONED|
@@ -15,4 +15,4 @@
               unnest $$x <- range(1, 4)
               -- UNNEST  |UNPARTITIONED|
                 empty-tuple-source
-                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
\ No newline at end of file
+                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.1.regex b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.1.regex
index 94ff0a4..7bc4c42 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.1.regex
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.1.regex
@@ -1 +1 @@
-/memory\D+917504/
\ No newline at end of file
+/memory\D+917504/
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.2.regex b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.2.regex
index 6af6770..acf8405 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.2.regex
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_01/metadata_only_01.2.regex
@@ -1 +1 @@
-/memory\D+1146880/
\ No newline at end of file
+/memory\D+1146880/
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_02/metadata_only_02.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_02/metadata_only_02.3.adm
new file mode 100644
index 0000000..743bb8a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/metadata_only_02/metadata_only_02.3.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "test1", "SynonymName": "syn1" }
+{ "DataverseName": "test2", "SynonymName": "syn2" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/serialized_size_fun/serialized_size_fun.01.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/serialized_size_fun/serialized_size_fun.01.adm
new file mode 100644
index 0000000..511674b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/serialized_size_fun/serialized_size_fun.01.adm
@@ -0,0 +1,5 @@
+{ "serialized_size": 9, "val": 1 }
+{ "serialized_size": 2, "val": true }
+{ "serialized_size": 6, "val": "test" }
+{ "serialized_size": 36, "val": [ 1, 2 ] }
+{ "serialized_size": 88, "val": { "f1": 1, "f2": [ { "n": "str" } ] } }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm
new file mode 100644
index 0000000..ac2dc97
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm
@@ -0,0 +1,2 @@
+"Alice"
+"Bob"
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan
new file mode 100644
index 0000000..a4b2ce0
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan
@@ -0,0 +1,22 @@
+distribute result [$$28]
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    project ([$$28])
+    -- STREAM_PROJECT  |PARTITIONED|
+      assign [$$28] <- [$$md.getField("name")]
+      -- ASSIGN  |PARTITIONED|
+        project ([$$md])
+        -- STREAM_PROJECT  |PARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
+            select (neq(uuid(), uuid()))
+            -- STREAM_SELECT  |PARTITIONED|
+              exchange
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                data-scan []<-[$$30, $$md] <- test.MyDataset
+                -- DATASOURCE_SCAN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    empty-tuple-source
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.5.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.5.adm
new file mode 100644
index 0000000..ac2dc97
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.5.adm
@@ -0,0 +1,2 @@
+"Alice"
+"Bob"
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.6.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.6.plan
new file mode 100644
index 0000000..6004727
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.6.plan
@@ -0,0 +1,22 @@
+distribute result [$$28]
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    project ([$$28])
+    -- STREAM_PROJECT  |PARTITIONED|
+      assign [$$28] <- [$$md.getField("name")]
+      -- ASSIGN  |PARTITIONED|
+        project ([$$md])
+        -- STREAM_PROJECT  |PARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
+            select (neq(current-date(), date: { 1980-09-10 }))
+            -- STREAM_SELECT  |PARTITIONED|
+              exchange
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                data-scan []<-[$$30, $$md] <- test.MyDataset
+                -- DATASOURCE_SCAN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    empty-tuple-source
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue453-2/query-issue453-2.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue453-2/query-issue453-2.1.adm
index 67218de..4b8eef0 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue453-2/query-issue453-2.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue453-2/query-issue453-2.1.adm
@@ -1,16 +1,16 @@
-{ "id": 1, "int_m": 1, "int_o": 1, "string_m": "a", "string_o": "a" }
-{ "id": 2, "int_m": 1, "int_o": 1, "string_m": "a", "string_o": null }
-{ "id": 3, "int_m": 1, "int_o": 1, "string_m": "b", "string_o": "a" }
-{ "id": 4, "int_m": 1, "int_o": 1, "string_m": "b", "string_o": null }
-{ "id": 5, "int_m": 1, "int_o": null, "string_m": "a", "string_o": "a" }
-{ "id": 6, "int_m": 1, "int_o": null, "string_m": "a", "string_o": null }
-{ "id": 7, "int_m": 1, "int_o": null, "string_m": "b", "string_o": "a" }
-{ "id": 8, "int_m": 1, "int_o": null, "string_m": "b", "string_o": null }
-{ "id": 9, "int_m": 2, "int_o": 1, "string_m": "a", "string_o": "a" }
-{ "id": 10, "int_m": 2, "int_o": 1, "string_m": "a", "string_o": null }
-{ "id": 11, "int_m": 2, "int_o": 1, "string_m": "b", "string_o": "a" }
-{ "id": 12, "int_m": 2, "int_o": 1, "string_m": "b", "string_o": null }
-{ "id": 13, "int_m": 2, "int_o": null, "string_m": "a", "string_o": "a" }
-{ "id": 14, "int_m": 2, "int_o": null, "string_m": "a", "string_o": null }
-{ "id": 15, "int_m": 2, "int_o": null, "string_m": "b", "string_o": "a" }
-{ "id": 16, "int_m": 2, "int_o": null, "string_m": "b", "string_o": null }
+{ "int_m": 1, "int_o": null, "string_m": "a", "string_o": null }
+{ "int_m": 1, "int_o": null, "string_m": "a", "string_o": "a" }
+{ "int_m": 1, "int_o": null, "string_m": "b", "string_o": null }
+{ "int_m": 1, "int_o": null, "string_m": "b", "string_o": "a" }
+{ "int_m": 1, "int_o": 1, "string_m": "a", "string_o": null }
+{ "int_m": 1, "int_o": 1, "string_m": "a", "string_o": "a" }
+{ "int_m": 1, "int_o": 1, "string_m": "b", "string_o": null }
+{ "int_m": 1, "int_o": 1, "string_m": "b", "string_o": "a" }
+{ "int_m": 2, "int_o": null, "string_m": "a", "string_o": null }
+{ "int_m": 2, "int_o": null, "string_m": "a", "string_o": "a" }
+{ "int_m": 2, "int_o": null, "string_m": "b", "string_o": null }
+{ "int_m": 2, "int_o": null, "string_m": "b", "string_o": "a" }
+{ "int_m": 2, "int_o": 1, "string_m": "a", "string_o": null }
+{ "int_m": 2, "int_o": 1, "string_m": "a", "string_o": "a" }
+{ "int_m": 2, "int_o": 1, "string_m": "b", "string_o": null }
+{ "int_m": 2, "int_o": 1, "string_m": "b", "string_o": "a" }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.plan
similarity index 87%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.plan
index e14f391..6faed2f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.plan
@@ -10,7 +10,7 @@
         -- STREAM_SELECT  |PARTITIONED|
           exchange
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            unnest-map [$$16, $$17, $$l] <- index-search("LineItem", 0, "tpch", "LineItem", FALSE, FALSE, 2, $$24, $$25, 2, $$24, $$25, TRUE, TRUE, TRUE)
+            unnest-map [$$16, $$17, $$l] <- index-search("LineItem", 0, "tpch", "LineItem", false, false, 2, $$24, $$25, 2, $$24, $$25, true, true, true)
             -- BTREE_SEARCH  |PARTITIONED|
               exchange
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -22,7 +22,7 @@
                     -- STREAM_PROJECT  |PARTITIONED|
                       exchange
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        unnest-map [$$23, $$24, $$25] <- index-search("lineitem_shipdateIx", 0, "tpch", "LineItem", FALSE, FALSE, 1, $$21, 1, $$22, TRUE, TRUE, TRUE)
+                        unnest-map [$$23, $$24, $$25] <- index-search("lineitem_shipdateIx", 0, "tpch", "LineItem", false, false, 1, $$21, 1, $$22, true, true, true)
                         -- BTREE_SEARCH  |PARTITIONED|
                           exchange
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.adm
deleted file mode 100644
index e14f391..0000000
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.adm
+++ /dev/null
@@ -1,32 +0,0 @@
-distribute result [$$l]
--- DISTRIBUTE_RESULT  |PARTITIONED|
-  exchange
-  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-    project ([$$l])
-    -- STREAM_PROJECT  |PARTITIONED|
-      exchange
-      -- SORT_MERGE_EXCHANGE [$$16(ASC), $$17(ASC) ]  |PARTITIONED|
-        select (eq($$l.getField(10), "1994-01-20"))
-        -- STREAM_SELECT  |PARTITIONED|
-          exchange
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            unnest-map [$$16, $$17, $$l] <- index-search("LineItem", 0, "tpch", "LineItem", FALSE, FALSE, 2, $$24, $$25, 2, $$24, $$25, TRUE, TRUE, TRUE)
-            -- BTREE_SEARCH  |PARTITIONED|
-              exchange
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                order (ASC, $$24) (ASC, $$25)
-                -- STABLE_SORT [$$24(ASC), $$25(ASC)]  |PARTITIONED|
-                  exchange
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    project ([$$24, $$25])
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        unnest-map [$$23, $$24, $$25] <- index-search("lineitem_shipdateIx", 0, "tpch", "LineItem", FALSE, FALSE, 1, $$21, 1, $$22, TRUE, TRUE, TRUE)
-                        -- BTREE_SEARCH  |PARTITIONED|
-                          exchange
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            assign [$$21, $$22] <- ["1994-01-20", "1994-01-20"]
-                            -- ASSIGN  |PARTITIONED|
-                              empty-tuple-source
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.plan
similarity index 87%
copy from asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm
copy to asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.plan
index e14f391..6faed2f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.13.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/rebalance/single_dataset_with_index/single_dataset_with_index.8.plan
@@ -10,7 +10,7 @@
         -- STREAM_SELECT  |PARTITIONED|
           exchange
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            unnest-map [$$16, $$17, $$l] <- index-search("LineItem", 0, "tpch", "LineItem", FALSE, FALSE, 2, $$24, $$25, 2, $$24, $$25, TRUE, TRUE, TRUE)
+            unnest-map [$$16, $$17, $$l] <- index-search("LineItem", 0, "tpch", "LineItem", false, false, 2, $$24, $$25, 2, $$24, $$25, true, true, true)
             -- BTREE_SEARCH  |PARTITIONED|
               exchange
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -22,7 +22,7 @@
                     -- STREAM_PROJECT  |PARTITIONED|
                       exchange
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        unnest-map [$$23, $$24, $$25] <- index-search("lineitem_shipdateIx", 0, "tpch", "LineItem", FALSE, FALSE, 1, $$21, 1, $$22, TRUE, TRUE, TRUE)
+                        unnest-map [$$23, $$24, $$25] <- index-search("lineitem_shipdateIx", 0, "tpch", "LineItem", false, false, 1, $$21, 1, $$22, true, true, true)
                         -- BTREE_SEARCH  |PARTITIONED|
                           exchange
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.2.adm
new file mode 100644
index 0000000..6280446
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.2.adm
@@ -0,0 +1 @@
+{ "cnt": 3 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.3.adm
new file mode 100644
index 0000000..6280446
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/tpcds/q18/q18.3.adm
@@ -0,0 +1 @@
+{ "cnt": 3 }
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.11.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.11.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.11.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.9.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.9.plan
similarity index 100%
rename from asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.9.adm
rename to asterixdb/asterix-app/src/test/resources/runtimets/results/union/union_opt_1/union_opt_1.9.plan
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.03.adm
new file mode 100644
index 0000000..b5aed50
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.03.adm
@@ -0,0 +1,3 @@
+{ "id": 5, "review": "good" }
+{ "id": 7, "review": "good" }
+{ "id": 11, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.04.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.04.plan
new file mode 100644
index 0000000..2ad4d60
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.04.plan
@@ -0,0 +1,34 @@
+distribute result [$$91]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    project ([$$91])
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      assign [$$91] <- [{"id": $$106, "review": $$111}]
+      -- ASSIGN  |UNPARTITIONED|
+        exchange
+        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+          order (ASC, $$106)
+          -- STABLE_SORT [$$106(ASC)]  |UNPARTITIONED|
+            exchange
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              limit 3
+              -- STREAM_LIMIT  |UNPARTITIONED|
+                exchange
+                -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                  project ([$$111, $$106])
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    assign [$$106] <- [int64-default-null($$d.getField("id"))]
+                    -- ASSIGN  |PARTITIONED|
+                      limit 3
+                      -- STREAM_LIMIT  |PARTITIONED|
+                        assign [$$111] <- [string-default-null($$d.getField("review"))]
+                        -- ASSIGN  |PARTITIONED|
+                          exchange
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            data-scan []<-[$$d] <- test.ExternalDataset condition (and(not(is-unknown(int64-default-null($$d.getField("year")))), not(is-unknown(int64-default-null($$d.getField("quarter")))), eq(string-default-null($$d.getField("review")), "good"))) limit 3
+                            -- DATASOURCE_SCAN  |PARTITIONED|
+                              exchange
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                empty-tuple-source
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.05.adm
new file mode 100644
index 0000000..28f5b17
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.05.adm
@@ -0,0 +1,3 @@
+{ "id": 1, "review": "good" }
+{ "id": 2, "review": "good" }
+{ "id": 3, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.06.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.06.plan
new file mode 100644
index 0000000..a8465a5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.06.plan
@@ -0,0 +1,22 @@
+distribute result [$$67]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    limit 3
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      exchange
+      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+        project ([$$67])
+        -- STREAM_PROJECT  |PARTITIONED|
+          assign [$$67] <- [{"id": int64-default-null($$d.getField("id")), "review": string-default-null($$d.getField("review"))}]
+          -- ASSIGN  |PARTITIONED|
+            limit 3
+            -- STREAM_LIMIT  |PARTITIONED|
+              exchange
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                data-scan []<-[$$d] <- test.ExternalDataset limit 3
+                -- DATASOURCE_SCAN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    empty-tuple-source
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.07.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.07.adm
new file mode 100644
index 0000000..b5aed50
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.07.adm
@@ -0,0 +1,3 @@
+{ "id": 5, "review": "good" }
+{ "id": 7, "review": "good" }
+{ "id": 11, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.08.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.08.plan
new file mode 100644
index 0000000..a74c18e
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.08.plan
@@ -0,0 +1,26 @@
+distribute result [$$85]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    project ([$$85])
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      assign [$$85] <- [{"id": $$88, "review": $$92}]
+      -- ASSIGN  |UNPARTITIONED|
+        limit 3
+        -- STREAM_LIMIT  |UNPARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$88(ASC) ]  |PARTITIONED|
+            limit 3
+            -- STREAM_LIMIT  |PARTITIONED|
+              project ([$$88, $$92])
+              -- STREAM_PROJECT  |PARTITIONED|
+                assign [$$92] <- [$$d.getField(1)]
+                -- ASSIGN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$88, $$d] <- test.DatasetWithKnownField condition (and(not(is-unknown(int64-default-null($$d.getField("year")))), not(is-unknown(int64-default-null($$d.getField("quarter")))), eq($$d.getField(1), "good"))) limit 3
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.09.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.09.adm
new file mode 100644
index 0000000..28f5b17
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.09.adm
@@ -0,0 +1,3 @@
+{ "id": 1, "review": "good" }
+{ "id": 2, "review": "good" }
+{ "id": 3, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.10.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.10.plan
new file mode 100644
index 0000000..cc8d1c5
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.10.plan
@@ -0,0 +1,26 @@
+distribute result [$$61]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    limit 3
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      project ([$$61])
+      -- STREAM_PROJECT  |PARTITIONED|
+        assign [$$61] <- [{"id": $$63, "review": $$67}]
+        -- ASSIGN  |PARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$63(ASC) ]  |PARTITIONED|
+            project ([$$63, $$67])
+            -- STREAM_PROJECT  |PARTITIONED|
+              assign [$$67] <- [$$d.getField(1)]
+              -- ASSIGN  |PARTITIONED|
+                limit 3
+                -- STREAM_LIMIT  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$63, $$d] <- test.DatasetWithKnownField limit 3
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.11.adm
new file mode 100644
index 0000000..b5aed50
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.11.adm
@@ -0,0 +1,3 @@
+{ "id": 5, "review": "good" }
+{ "id": 7, "review": "good" }
+{ "id": 11, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.12.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.12.plan
new file mode 100644
index 0000000..149c739
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.12.plan
@@ -0,0 +1,26 @@
+distribute result [$$91]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    project ([$$91])
+    -- STREAM_PROJECT  |UNPARTITIONED|
+      assign [$$91] <- [{"id": $$94, "review": $$98}]
+      -- ASSIGN  |UNPARTITIONED|
+        limit 3
+        -- STREAM_LIMIT  |UNPARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$94(ASC) ]  |PARTITIONED|
+            limit 3
+            -- STREAM_LIMIT  |PARTITIONED|
+              project ([$$94, $$98])
+              -- STREAM_PROJECT  |PARTITIONED|
+                assign [$$98] <- [$$d.getField(1)]
+                -- ASSIGN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$94, $$d] <- test.DatasetWithKnownField condition (and(not(is-unknown(int64-default-null($$d.getField("year")))), not(is-unknown(int64-default-null($$d.getField("quarter")))), eq($$d.getField(1), "good"))) limit 3
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.13.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.13.adm
new file mode 100644
index 0000000..28f5b17
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.13.adm
@@ -0,0 +1,3 @@
+{ "id": 1, "review": "good" }
+{ "id": 2, "review": "good" }
+{ "id": 3, "review": "good" }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.14.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.14.plan
new file mode 100644
index 0000000..911a1c8
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/view/view-pushdown/view-pushdown.14.plan
@@ -0,0 +1,26 @@
+distribute result [$$67]
+-- DISTRIBUTE_RESULT  |UNPARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+    limit 3
+    -- STREAM_LIMIT  |UNPARTITIONED|
+      project ([$$67])
+      -- STREAM_PROJECT  |PARTITIONED|
+        assign [$$67] <- [{"id": $$69, "review": $$73}]
+        -- ASSIGN  |PARTITIONED|
+          exchange
+          -- SORT_MERGE_EXCHANGE [$$69(ASC) ]  |PARTITIONED|
+            project ([$$69, $$73])
+            -- STREAM_PROJECT  |PARTITIONED|
+              assign [$$73] <- [$$d.getField(1)]
+              -- ASSIGN  |PARTITIONED|
+                limit 3
+                -- STREAM_LIMIT  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$69, $$d] <- test.DatasetWithKnownField limit 3
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.2.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.3.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/broadcast-join-hint-warning/broadcast-join-hint-warning.4.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.02.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.03.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.04.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.05.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.06.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.07.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.08.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.09.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.10.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.adm
new file mode 100644
index 0000000..267992b
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/warnings/hashjoin-hint-warning/hashjoin-hint-warning.11.adm
@@ -0,0 +1 @@
+{ "$1": 0 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.ast b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.ast
index ffedb2d..057e63a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.ast
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_parser_sqlpp/open-closed/query-issue453-2/query-issue453-2.3.ast
@@ -1,7 +1,26 @@
 DataverseUse test
 Query:
-SELECT ELEMENT [
-Variable [ Name=$d ]
+SELECT [
+FieldAccessor [
+  Variable [ Name=$d ]
+  Field=int_m
+]
+int_m
+FieldAccessor [
+  Variable [ Name=$d ]
+  Field=int_o
+]
+int_o
+FieldAccessor [
+  Variable [ Name=$d ]
+  Field=string_m
+]
+string_m
+FieldAccessor [
+  Variable [ Name=$d ]
+  Field=string_o
+]
+string_o
 ]
 FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [test.DataOpen]
@@ -11,7 +30,22 @@
 Orderby
   FieldAccessor [
     Variable [ Name=$d ]
-    Field=id
+    Field=int_m
+  ]
+  ASC
+  FieldAccessor [
+    Variable [ Name=$d ]
+    Field=int_o
+  ]
+  ASC
+  FieldAccessor [
+    Variable [ Name=$d ]
+    Field=string_m
+  ]
+  ASC
+  FieldAccessor [
+    Variable [ Name=$d ]
+    Field=string_o
   ]
   ASC
 
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
index c0784c1..addced1 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
@@ -34,6 +34,11 @@
       </compilation-unit>
     </test-case>
     <test-case FilePath="api">
+      <compilation-unit name="compileonly-2">
+        <output-dir compare="Text">compileonly-2</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="api">
       <compilation-unit name="multiple-param-values">
         <output-dir compare="Text">multiple-param-values</output-dir>
       </compilation-unit>
@@ -3603,10 +3608,10 @@
     <test-case FilePath="comparison" check-warnings="true">
       <compilation-unit name="incomparable_types">
         <output-dir compare="Text">incomparable_types</output-dir>
-          <expected-warn>Incomparable input types: string and bigint (in line 25, at column 13)</expected-warn>
+          <expected-warn>Incomparable input types: string and bigint (in line 26, at column 13)</expected-warn>
           <expected-warn>Incomparable input types: array and bigint (in line 23, at column 7)</expected-warn>
           <expected-warn>Incomparable input types: point and point (in line 24, at column 18)</expected-warn>
-          <expected-warn>Incomparable input types: bigint and string (in line 24, at column 46)</expected-warn>
+          <expected-warn>Incomparable input types: bigint and string (in line 25, at column 46)</expected-warn>
       </compilation-unit>
     </test-case>
   </test-group>
@@ -4120,6 +4125,11 @@
         -->
   </test-group>
   <test-group name="ddl">
+    <test-case FilePath="ddl">
+      <compilation-unit name="analyze-dataset-1">
+        <output-dir compare="Text">analyze-dataset-1</output-dir>
+      </compilation-unit>
+    </test-case>
     <test-case FilePath="ddl/create-index">
       <compilation-unit name="create-index-1">
         <output-dir compare="Text">create-index-1</output-dir>
@@ -6656,6 +6666,16 @@
         <output-dir compare="Text">join-with-empty-dataset</output-dir>
       </compilation-unit>
     </test-case>
+    <test-case FilePath="join">
+      <compilation-unit name="nlj_partitioning_property">
+        <output-dir compare="Text">nlj_partitioning_property</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="join">
+      <compilation-unit name="inner_right_corr">
+        <output-dir compare="Text">inner_right_corr</output-dir>
+      </compilation-unit>
+    </test-case>
   </test-group>
   <test-group name="list">
     <test-case FilePath="list">
@@ -7248,6 +7268,11 @@
         <output-dir compare="Text">query-ASTERIXDB-865</output-dir>
       </compilation-unit>
     </test-case>
+    <test-case FilePath="misc">
+      <compilation-unit name="serialized_size_fun">
+        <output-dir compare="Text">serialized_size_fun</output-dir>
+      </compilation-unit>
+    </test-case>
   </test-group>
   <test-group name="multipart-dataverse">
     <test-case FilePath="multipart-dataverse">
@@ -8566,6 +8591,11 @@
           <output-dir compare="Text">using-feed</output-dir>
         </compilation-unit>
       </test-case>
+      <test-case FilePath="array-index/select-unnest-queries/open">
+        <compilation-unit name="multiple-indexes">
+          <output-dir compare="Text">multiple-indexes</output-dir>
+        </compilation-unit>
+      </test-case>
     </test-group>
     <test-group name="array-index/select-quantified-queries">
       <test-case FilePath="array-index/select-quantified-queries">
@@ -8598,6 +8628,11 @@
           <output-dir compare="Text">with-open-index</output-dir>
         </compilation-unit>
       </test-case>
+      <test-case FilePath="array-index/select-quantified-queries">
+        <compilation-unit name="multiple-indexes">
+          <output-dir compare="Text">multiple-indexes</output-dir>
+        </compilation-unit>
+      </test-case>
     </test-group>
     <test-group name="array-index/composite-index-queries">
       <test-case FilePath="array-index">
@@ -13529,6 +13564,11 @@
         <expected-error>ASX1050: Cannot find dataset with name v3 in dataverse test1 (in line 24, at column 1)</expected-error>
       </compilation-unit>
     </test-case>
+    <test-case FilePath="view">
+      <compilation-unit name="view-pushdown">
+        <output-dir compare="Text">view-pushdown</output-dir>
+      </compilation-unit>
+    </test-case>
   </test-group>
   <test-group name="load">
     <test-case FilePath="load">
@@ -15367,13 +15407,36 @@
   </test-group>
   <test-group name="warnings">
     <test-case FilePath="warnings" check-warnings="true">
+      <compilation-unit name="broadcast-join-hint-warning">
+        <output-dir compare="Text">broadcast-join-hint-warning</output-dir>
+        <expected-warn><![CDATA[ASX1107: Unexpected hint: hash-bcas. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hash-bcast. ASX1001: Syntax error: In line 1 >>()<< Encountered ")" at column 2.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn>HYR10006: Could not apply broadcast hash join hint: broadcast cn (in line 36, at column 43)</expected-warn>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="warnings" check-warnings="true">
+      <compilation-unit name="hashjoin-hint-warning">
+        <output-dir compare="Text">hashjoin-hint-warning</output-dir>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>build<< Encountered <EOF> at column 5.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1107: Unexpected hint: hashjon build. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>buil<< Encountered <EOF> at column 4.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>build ()<< Encountered ")" at column 8.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn>HYR10006: Could not apply hash join hint: build with cn (in line 36, at column 47)</expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>probe<< Encountered <EOF> at column 5.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1107: Unexpected hint: hashjon probe. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>prob<< Encountered <EOF> at column 4.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn><![CDATA[ASX1132: Invalid specification for hint hashjoin. ASX1001: Syntax error: In line 1 >>probe ()<< Encountered ")" at column 8.  (in line 36, at column 22)]]></expected-warn>
+        <expected-warn>HYR10006: Could not apply hash join hint: probe with cn (in line 36, at column 47)</expected-warn>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="warnings" check-warnings="true">
       <compilation-unit name="inapplicable-hint-warning">
         <output-dir compare="Text">inapplicable-hint-warning</output-dir>
         <expected-warn>HYR10006: Could not apply Group By hint: hash</expected-warn>
         <expected-warn>ASX1107: Unexpected hint: indexnl. "hash" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: hash. "hash-bcast", "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: auto. "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: hash. "indexnl", "range", "skip-index", "spatial-partitioning", "use-index" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: hash. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: auto. "indexnl", "skip-index", "hashjoin", "use-index", "selectivity" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: hash. "indexnl", "range", "hashjoin", "skip-index", "spatial-partitioning", "use-index" expected at this location</expected-warn>
         <expected-warn>ASX1107: Unexpected hint: hash. None expected at this location</expected-warn>
       </compilation-unit>
     </test-case>
@@ -15394,12 +15457,12 @@
       <compilation-unit name="unknown-hint-warning">
         <output-dir compare="Text">unknown-hint-warning</output-dir>
         <expected-warn>ASX1107: Unexpected hint: unknown_hint_groupby. "hash" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr. "hash-bcast", "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: unknown_hint_between. "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: unknown_hint_funcall. "indexnl", "range", "skip-index", "spatial-partitioning", "use-index" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: unknown_hint_between. "indexnl", "skip-index", "hashjoin", "use-index", "selectivity" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: unknown_hint_funcall. "indexnl", "range", "hashjoin", "skip-index", "spatial-partitioning", "use-index" expected at this location</expected-warn>
         <expected-warn>ASX1107: Unexpected hint: unknown_hint_elsewhere. None expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr_6. "hash-bcast", "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
-        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr_6. "hash-bcast", "indexnl", "skip-index", "use-index" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr_6. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location</expected-warn>
+        <expected-warn>ASX1107: Unexpected hint: unknown_hint_relexpr_6. "hash-bcast", "indexnl", "hashjoin", "skip-index", "use-index", "selectivity", "productivity" expected at this location</expected-warn>
       </compilation-unit>
     </test-case>
     <test-case FilePath="warnings">
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/api/IApplicationContext.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/api/IApplicationContext.java
index 67f8253..f4e241c 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/api/IApplicationContext.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/api/IApplicationContext.java
@@ -31,6 +31,7 @@
 import org.apache.hyracks.api.application.IServiceContext;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.result.IResultSet;
 
 public interface IApplicationContext {
 
@@ -67,6 +68,11 @@
     IHyracksClientConnection getHcc() throws HyracksDataException;
 
     /**
+     * @return a result set provider associated with {@link IHyracksClientConnection}
+     */
+    IResultSet getResultSet() throws HyracksDataException;
+
+    /**
      * @return the cluster coordination service.
      */
     ICoordinationService getCoordinationService();
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/CompilerProperties.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/CompilerProperties.java
index 5538a0a..44d6f4c 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/CompilerProperties.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/CompilerProperties.java
@@ -23,6 +23,7 @@
 import static org.apache.hyracks.control.common.config.OptionTypes.INTEGER_BYTE_UNIT;
 import static org.apache.hyracks.control.common.config.OptionTypes.LONG_BYTE_UNIT;
 import static org.apache.hyracks.control.common.config.OptionTypes.POSITIVE_INTEGER;
+import static org.apache.hyracks.control.common.config.OptionTypes.STRING;
 import static org.apache.hyracks.util.StorageUtil.StorageUnit.KILOBYTE;
 import static org.apache.hyracks.util.StorageUtil.StorageUnit.MEGABYTE;
 
@@ -103,7 +104,17 @@
         COMPILER_ARRAYINDEX(
                 BOOLEAN,
                 AlgebricksConfig.ARRAY_INDEX_DEFAULT,
-                "Enable/disable using array-indexes in queries");
+                "Enable/disable using array-indexes in queries"),
+        COMPILER_CBO(BOOLEAN, AlgebricksConfig.CBO_DEFAULT, "Set the mode for cost based optimization"),
+        COMPILER_CBOTEST(BOOLEAN, AlgebricksConfig.CBO_TEST_DEFAULT, "Set the mode for cost based optimization"),
+        COMPILER_FORCEJOINORDER(
+                BOOLEAN,
+                AlgebricksConfig.FORCE_JOIN_ORDER_DEFAULT,
+                "Set the mode for forcing the join order in a query plan"),
+        COMPILER_QUERYPLANSHAPE(
+                STRING,
+                AlgebricksConfig.QUERY_PLAN_SHAPE_DEFAULT,
+                "Set the mode for forcing the shape of the query plan");
 
         private final IOptionType type;
         private final Object defaultValue;
@@ -173,6 +184,14 @@
 
     public static final String COMPILER_EXTERNALSCANMEMORY_KEY = Option.COMPILER_EXTERNALSCANMEMORY.ini();
 
+    public static final String COMPILER_CBO_KEY = Option.COMPILER_CBO.ini();
+
+    public static final String COMPILER_CBO_TEST_KEY = Option.COMPILER_CBOTEST.ini();
+
+    public static final String COMPILER_FORCE_JOIN_ORDER_KEY = Option.COMPILER_FORCEJOINORDER.ini();
+
+    public static final String COMPILER_QUERY_PLAN_SHAPE_KEY = Option.COMPILER_QUERYPLANSHAPE.ini();
+
     public static final int COMPILER_PARALLELISM_AS_STORAGE = 0;
 
     public CompilerProperties(PropertiesAccessor accessor) {
@@ -246,4 +265,25 @@
     public int getExternalScanMemorySize() {
         return accessor.getInt(Option.COMPILER_EXTERNALSCANMEMORY);
     }
+
+    public boolean getCBOMode() {
+        return accessor.getBoolean(Option.COMPILER_CBO);
+    }
+
+    public boolean getCBOTestMode() {
+        return accessor.getBoolean(Option.COMPILER_CBOTEST);
+    }
+
+    public boolean getForceJoinOrderMode() {
+        return accessor.getBoolean(Option.COMPILER_FORCEJOINORDER);
+    }
+
+    public String getQueryPlanShapeMode() {
+        String queryPlanShapeMode = accessor.getString(Option.COMPILER_QUERYPLANSHAPE);
+        if (!(queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_ZIGZAG)
+                || queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_LEFTDEEP)
+                || queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_RIGHTDEEP)))
+            return AlgebricksConfig.QUERY_PLAN_SHAPE_DEFAULT;
+        return queryPlanShapeMode;
+    }
 }
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/DatasetConfig.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/DatasetConfig.java
index b85c0be..478bd46 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/DatasetConfig.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/DatasetConfig.java
@@ -41,7 +41,8 @@
         SINGLE_PARTITION_NGRAM_INVIX,
         LENGTH_PARTITIONED_WORD_INVIX,
         LENGTH_PARTITIONED_NGRAM_INVIX,
-        ARRAY;
+        ARRAY,
+        SAMPLE;
     }
 
     public enum TransactionState {
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/OptimizationConfUtil.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/OptimizationConfUtil.java
index d498d69..ae70475 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/OptimizationConfUtil.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/OptimizationConfUtil.java
@@ -77,6 +77,14 @@
         int externalScanBufferSize = getExternalScanBufferSize(
                 (String) querySpecificConfig.get(CompilerProperties.COMPILER_EXTERNALSCANMEMORY_KEY),
                 compilerProperties.getExternalScanMemorySize(), sourceLoc);
+        boolean cbo =
+                getBoolean(querySpecificConfig, CompilerProperties.COMPILER_CBO_KEY, compilerProperties.getCBOMode());
+        boolean cboTest = getBoolean(querySpecificConfig, CompilerProperties.COMPILER_CBO_TEST_KEY,
+                compilerProperties.getCBOTestMode());
+        boolean forceJoinOrder = getBoolean(querySpecificConfig, CompilerProperties.COMPILER_FORCE_JOIN_ORDER_KEY,
+                compilerProperties.getForceJoinOrderMode());
+        String queryPlanShape = getString(querySpecificConfig, CompilerProperties.COMPILER_QUERY_PLAN_SHAPE_KEY,
+                compilerProperties.getQueryPlanShapeMode());
 
         PhysicalOptimizationConfig physOptConf = new PhysicalOptimizationConfig();
         physOptConf.setFrameSize(frameSize);
@@ -95,6 +103,10 @@
         physOptConf.setMinMemoryAllocation(minMemoryAllocation);
         physOptConf.setArrayIndexEnabled(arrayIndex);
         physOptConf.setExternalScanBufferSize(externalScanBufferSize);
+        physOptConf.setCBOMode(cbo);
+        physOptConf.setCBOTestMode(cboTest);
+        physOptConf.setForceJoinOrderMode(forceJoinOrder);
+        physOptConf.setQueryPlanShapeMode(queryPlanShape);
         return physOptConf;
     }
 
@@ -117,6 +129,14 @@
                 sourceLoc);
     }
 
+    public static int getGroupByNumFrames(CompilerProperties compilerProperties,
+            Map<String, Object> querySpecificConfig, SourceLocation sourceLoc) throws AlgebricksException {
+        return getFrameLimit(CompilerProperties.COMPILER_GROUPMEMORY_KEY,
+                (String) querySpecificConfig.get(CompilerProperties.COMPILER_GROUPMEMORY_KEY),
+                compilerProperties.getGroupMemorySize(), compilerProperties.getFrameSize(),
+                MIN_FRAME_LIMIT_FOR_GROUP_BY, sourceLoc);
+    }
+
     public static int getTextSearchNumFrames(CompilerProperties compilerProperties,
             Map<String, Object> querySpecificConfig, SourceLocation sourceLoc) throws AlgebricksException {
         return getFrameLimit(CompilerProperties.COMPILER_TEXTSEARCHMEMORY_KEY,
@@ -164,4 +184,12 @@
         }
         return defaultValue;
     }
+
+    private static String getString(Map<String, Object> queryConfig, String queryConfigKey, String defaultValue) {
+        String valueInQuery = (String) queryConfig.get(queryConfigKey);
+        if (valueInQuery != null) {
+            return valueInQuery;
+        }
+        return defaultValue;
+    }
 }
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/DatasetLocalResource.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/DatasetLocalResource.java
index 249505b..58d5f9b 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/DatasetLocalResource.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/dataflow/DatasetLocalResource.java
@@ -72,6 +72,10 @@
         this.partition = partition;
     }
 
+    public IResource getResource() {
+        return resource;
+    }
+
     @Override
     public IIndex createInstance(INCServiceContext ncServiceCtx) throws HyracksDataException {
         return resource.createInstance(ncServiceCtx);
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/NoOpWarningCollector.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/NoOpWarningCollector.java
index a036b7e..6ac805b 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/NoOpWarningCollector.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/NoOpWarningCollector.java
@@ -20,27 +20,10 @@
 package org.apache.asterix.common.exceptions;
 
 import org.apache.hyracks.api.exceptions.IWarningCollector;
-import org.apache.hyracks.api.exceptions.Warning;
 
-public final class NoOpWarningCollector implements IWarningCollector {
-
-    public static final IWarningCollector INSTANCE = new NoOpWarningCollector();
+public final class NoOpWarningCollector {
+    public static final IWarningCollector INSTANCE = org.apache.hyracks.api.exceptions.NoOpWarningCollector.INSTANCE;
 
     private NoOpWarningCollector() {
     }
-
-    @Override
-    public void warn(Warning warning) {
-        // no-op
-    }
-
-    @Override
-    public boolean shouldWarn() {
-        return false;
-    }
-
-    @Override
-    public long getTotalWarningsCount() {
-        return 0;
-    }
 }
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/metadata/IMetadataLockUtil.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/metadata/IMetadataLockUtil.java
index 28eb553..d830868 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/metadata/IMetadataLockUtil.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/metadata/IMetadataLockUtil.java
@@ -52,6 +52,12 @@
     void refreshDatasetBegin(IMetadataLockManager lockManager, LockList locks, DataverseName dataverseName,
             String datasetName) throws AlgebricksException;
 
+    void analyzeDatasetBegin(IMetadataLockManager lockManager, LockList locks, DataverseName dataverseName,
+            String datasetName) throws AlgebricksException;
+
+    void analyzeDatasetDropBegin(IMetadataLockManager lockMgr, LockList locks, DataverseName dataverseName,
+            String datasetName) throws AlgebricksException;
+
     void compactBegin(IMetadataLockManager lockManager, LockList locks, DataverseName dataverseName, String datasetName)
             throws AlgebricksException;
 
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/JobUtils.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/JobUtils.java
index 232c8dd..c1c6f18 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/JobUtils.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/JobUtils.java
@@ -20,11 +20,14 @@
 package org.apache.asterix.common.utils;
 
 import java.util.EnumSet;
+import java.util.List;
 
+import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.job.JobFlag;
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 
 public class JobUtils {
 
@@ -53,4 +56,21 @@
         }
         return jobId;
     }
+
+    public static Pair<JobId, List<IOperatorStats>> runJob(IHyracksClientConnection hcc, JobSpecification spec,
+            EnumSet<JobFlag> jobFlags, boolean waitForCompletion, List<String> statOperatorNames) throws Exception {
+        spec.setMaxReattempts(0);
+        final JobId jobId = hcc.startJob(spec, jobFlags);
+        List<IOperatorStats> opStats = null;
+        if (waitForCompletion) {
+            String nameBefore = Thread.currentThread().getName();
+            try {
+                Thread.currentThread().setName(nameBefore + " : WaitForCompletionForJobId: " + jobId);
+                opStats = hcc.waitForCompletion(jobId, statOperatorNames);
+            } finally {
+                Thread.currentThread().setName(nameBefore);
+            }
+        }
+        return new Pair<>(jobId, opStats);
+    }
 }
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/StoragePathUtil.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/StoragePathUtil.java
index f84472e..c87f368 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/StoragePathUtil.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/utils/StoragePathUtil.java
@@ -46,9 +46,13 @@
     private StoragePathUtil() {
     }
 
+    public static IFileSplitProvider splitProvider(FileSplit[] splits) {
+        return new ConstantFileSplitProvider(splits);
+    }
+
     public static Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitProviderAndPartitionConstraints(
             FileSplit[] splits) {
-        IFileSplitProvider splitProvider = new ConstantFileSplitProvider(splits);
+        IFileSplitProvider splitProvider = splitProvider(splits);
         String[] loc = new String[splits.length];
         for (int p = 0; p < splits.length; p++) {
             loc[p] = splits[p].getNodeName();
diff --git a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/FuzzyJoinFunctionRegistrant.java b/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/FuzzyJoinFunctionRegistrant.java
index 83ebc98..c21ac58 100644
--- a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/FuzzyJoinFunctionRegistrant.java
+++ b/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/FuzzyJoinFunctionRegistrant.java
@@ -37,7 +37,6 @@
 import org.apache.asterix.runtime.evaluators.functions.SimilarityJaccardPrefixDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SimilarityJaccardSortedCheckDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SimilarityJaccardSortedDescriptor;
-import org.apache.asterix.runtime.evaluators.functions.SpatialIntersectDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.WordTokensDescriptor;
 
 public class FuzzyJoinFunctionRegistrant implements IFunctionRegistrant {
@@ -48,9 +47,6 @@
         fc.add(SimilarityJaccardPrefixDescriptor.FACTORY);
         fc.add(SimilarityJaccardPrefixCheckDescriptor.FACTORY);
 
-        // Spatial
-        fc.add(SpatialIntersectDescriptor.FACTORY);
-
         // fuzzyjoin function
         fc.add(PrefixLenJaccardDescriptor.FACTORY);
         fc.add(WordTokensDescriptor.FACTORY);
diff --git a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SimilarityDescriptor.java b/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
index 95fd5bf..341dfe8 100644
--- a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
+++ b/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
@@ -26,7 +26,6 @@
 import org.apache.asterix.dataflow.data.nontagged.serde.AOrderedListSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.AUnorderedListSerializerDeserializer;
 import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
-import org.apache.asterix.fuzzyjoin.IntArray;
 import org.apache.asterix.fuzzyjoin.similarity.PartialIntersect;
 import org.apache.asterix.fuzzyjoin.similarity.SimilarityFilters;
 import org.apache.asterix.fuzzyjoin.similarity.SimilarityMetric;
@@ -36,6 +35,7 @@
 import org.apache.asterix.om.types.ATypeTag;
 import org.apache.asterix.om.types.BuiltinType;
 import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.asterix.runtime.evaluators.common.IntArray;
 import org.apache.asterix.runtime.evaluators.common.SimilarityFiltersCache;
 import org.apache.asterix.runtime.exceptions.TypeMismatchException;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/base/Statement.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/base/Statement.java
index 2594cdd..4330c4e 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/base/Statement.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/base/Statement.java
@@ -107,6 +107,8 @@
         CREATE_SYNONYM,
         SYNONYM_DROP,
         VIEW_DROP,
+        ANALYZE,
+        ANALYZE_DROP,
         COMPACT,
         EXTERNAL_DATASET_REFRESH,
         SUBSCRIBE_FEED,
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeDropStatement.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeDropStatement.java
new file mode 100644
index 0000000..67cfeec
--- /dev/null
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeDropStatement.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.lang.common.statement;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.AbstractStatement;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public class AnalyzeDropStatement extends AbstractStatement {
+
+    private final DataverseName dataverseName;
+    private final String datasetName;
+
+    public AnalyzeDropStatement(DataverseName dataverseName, String datasetName) {
+        this.dataverseName = dataverseName;
+        this.datasetName = datasetName;
+    }
+
+    @Override
+    public Kind getKind() {
+        return Kind.ANALYZE_DROP;
+    }
+
+    public DataverseName getDataverseName() {
+        return dataverseName;
+    }
+
+    public String getDatasetName() {
+        return datasetName;
+    }
+
+    @Override
+    public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+        return visitor.visit(this, arg);
+    }
+
+    @Override
+    public byte getCategory() {
+        return Category.DDL;
+    }
+}
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeStatement.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeStatement.java
new file mode 100644
index 0000000..cbf2c07
--- /dev/null
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/AnalyzeStatement.java
@@ -0,0 +1,170 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.lang.common.statement;
+
+import java.util.Locale;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.AbstractStatement;
+import org.apache.asterix.lang.common.expression.RecordConstructor;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.object.base.AdmBigIntNode;
+import org.apache.asterix.object.base.AdmDoubleNode;
+import org.apache.asterix.object.base.AdmObjectNode;
+import org.apache.asterix.object.base.AdmStringNode;
+import org.apache.asterix.object.base.IAdmNode;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class AnalyzeStatement extends AbstractStatement {
+
+    private static final String SAMPLE_FIELD_NAME = "sample";
+    private static final String SAMPLE_LOW = "low";
+    private static final String SAMPLE_MEDIUM = "medium";
+    private static final String SAMPLE_HIGH = "high";
+    private static final int SAMPLE_LOW_SIZE = 1063;
+    private static final int SAMPLE_MEDIUM_SIZE = SAMPLE_LOW_SIZE * 4;
+    private static final int SAMPLE_HIGH_SIZE = SAMPLE_MEDIUM_SIZE * 4;
+    private static final int SAMPLE_DEFAULT_SIZE = SAMPLE_LOW_SIZE;
+
+    private static final String SAMPLE_SEED_FIELD_NAME = "sample-seed";
+
+    private final DataverseName dataverseName;
+    private final String datasetName;
+    private final AdmObjectNode options;
+
+    public AnalyzeStatement(DataverseName dataverseName, String datasetName, RecordConstructor options)
+            throws CompilationException {
+        this.dataverseName = dataverseName;
+        this.datasetName = datasetName;
+        this.options = options == null ? null : validateOptions(ExpressionUtils.toNode(options));
+    }
+
+    private static AdmObjectNode validateOptions(AdmObjectNode options) throws CompilationException {
+        for (String fieldName : options.getFieldNames()) {
+            switch (fieldName) {
+                case SAMPLE_FIELD_NAME:
+                case SAMPLE_SEED_FIELD_NAME:
+                    break;
+                default:
+                    throw new CompilationException(ErrorCode.INVALID_PARAM, fieldName);
+            }
+        }
+        return options;
+    }
+
+    @Override
+    public Kind getKind() {
+        return Kind.ANALYZE;
+    }
+
+    public DataverseName getDataverseName() {
+        return dataverseName;
+    }
+
+    public String getDatasetName() {
+        return datasetName;
+    }
+
+    public int getSampleSize() throws CompilationException {
+        IAdmNode n = getOption(SAMPLE_FIELD_NAME);
+        if (n == null) {
+            return SAMPLE_DEFAULT_SIZE;
+        }
+        switch (n.getType()) {
+            case STRING:
+                String s = ((AdmStringNode) n).get();
+                switch (s.toLowerCase(Locale.ROOT)) {
+                    case SAMPLE_LOW:
+                        return SAMPLE_LOW_SIZE;
+                    case SAMPLE_MEDIUM:
+                        return SAMPLE_MEDIUM_SIZE;
+                    case SAMPLE_HIGH:
+                        return SAMPLE_HIGH_SIZE;
+                    default:
+                        throw new CompilationException(ErrorCode.INVALID_PROPERTY_FORMAT, SAMPLE_FIELD_NAME);
+                }
+            case BIGINT:
+                int v = (int) ((AdmBigIntNode) n).get();
+                if (!isValidSampleSize(v)) {
+                    throw new CompilationException(ErrorCode.INVALID_PROPERTY_FORMAT, SAMPLE_FIELD_NAME);
+                }
+                return v;
+            case DOUBLE:
+                v = (int) ((AdmDoubleNode) n).get();
+                if (!isValidSampleSize(v)) {
+                    throw new CompilationException(ErrorCode.INVALID_PROPERTY_FORMAT, SAMPLE_FIELD_NAME);
+                }
+                return v;
+            default:
+                throw new CompilationException(ErrorCode.WITH_FIELD_MUST_BE_OF_TYPE, SAMPLE_FIELD_NAME,
+                        BuiltinType.ASTRING.getTypeName(), n.getType().toString());
+        }
+    }
+
+    public long getOrCreateSampleSeed() throws AlgebricksException {
+        IAdmNode n = getOption(SAMPLE_SEED_FIELD_NAME);
+        return n != null ? getSampleSeed(n) : createSampleSeed();
+    }
+
+    private long getSampleSeed(IAdmNode n) throws CompilationException {
+        switch (n.getType()) {
+            case BIGINT:
+                return ((AdmBigIntNode) n).get();
+            case DOUBLE:
+                return (long) ((AdmDoubleNode) n).get();
+            case STRING:
+                String s = ((AdmStringNode) n).get();
+                try {
+                    return Long.parseLong(s);
+                } catch (NumberFormatException e) {
+                    throw new CompilationException(ErrorCode.INVALID_PROPERTY_FORMAT, SAMPLE_SEED_FIELD_NAME);
+                }
+            default:
+                throw new CompilationException(ErrorCode.WITH_FIELD_MUST_BE_OF_TYPE, SAMPLE_SEED_FIELD_NAME,
+                        BuiltinType.AINT64.getTypeName(), n.getType().toString());
+        }
+    }
+
+    private long createSampleSeed() {
+        return System.nanoTime() + System.identityHashCode(this);
+    }
+
+    private boolean isValidSampleSize(int v) {
+        return v >= SAMPLE_LOW_SIZE && v <= SAMPLE_HIGH_SIZE;
+    }
+
+    private IAdmNode getOption(String optionName) {
+        return options != null ? options.get(optionName) : null;
+    }
+
+    @Override
+    public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+        return visitor.visit(this, arg);
+    }
+
+    @Override
+    public byte getCategory() {
+        return Category.DDL;
+    }
+}
\ No newline at end of file
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/IndexDropStatement.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/IndexDropStatement.java
index c3583698..d479626 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/IndexDropStatement.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/statement/IndexDropStatement.java
@@ -27,10 +27,10 @@
 
 public class IndexDropStatement extends AbstractStatement {
 
-    private DataverseName dataverseName;
-    private Identifier datasetName;
-    private Identifier indexName;
-    private boolean ifExists;
+    private final DataverseName dataverseName;
+    private final Identifier datasetName;
+    private final Identifier indexName;
+    private final boolean ifExists;
 
     public IndexDropStatement(DataverseName dataverseName, Identifier datasetName, Identifier indexName,
             boolean ifExists) {
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
index 42a35f3..1cf88c2 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
@@ -58,6 +58,7 @@
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Triple;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
@@ -303,4 +304,16 @@
                     function.getSignature(), e.getMessage());
         }
     }
+
+    public static boolean isFieldAccessFunction(ILogicalExpression expression) {
+        if (expression.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return false;
+        }
+
+        AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expression;
+        FunctionIdentifier fid = funcExpr.getFunctionIdentifier();
+
+        return BuiltinFunctions.FIELD_ACCESS_BY_INDEX.equals(fid) || BuiltinFunctions.FIELD_ACCESS_BY_NAME.equals(fid)
+                || BuiltinFunctions.FIELD_ACCESS_NESTED.equals(fid);
+    }
 }
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/FormatPrintVisitor.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/FormatPrintVisitor.java
index 0ddbeb4..f42f2f0 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/FormatPrintVisitor.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/FormatPrintVisitor.java
@@ -65,6 +65,8 @@
 import org.apache.asterix.lang.common.expression.UnorderedListTypeDefinition;
 import org.apache.asterix.lang.common.expression.VariableExpr;
 import org.apache.asterix.lang.common.statement.AdapterDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
 import org.apache.asterix.lang.common.statement.CompactStatement;
 import org.apache.asterix.lang.common.statement.ConnectFeedStatement;
 import org.apache.asterix.lang.common.statement.CreateAdapterStatement;
@@ -929,6 +931,23 @@
     }
 
     @Override
+    public Void visit(AnalyzeStatement as, Integer step) throws CompilationException {
+        out.print(skip(step) + "analyze dataset ");
+        out.print(generateFullName(as.getDataverseName(), as.getDatasetName()));
+        out.println(SEMICOLON);
+        return null;
+    }
+
+    @Override
+    public Void visit(AnalyzeDropStatement as, Integer step) throws CompilationException {
+        out.print(skip(step) + "analyze dataset ");
+        out.print(generateFullName(as.getDataverseName(), as.getDatasetName()));
+        out.print(" drop statistics");
+        out.println(SEMICOLON);
+        return null;
+    }
+
+    @Override
     public Void visit(CompactStatement del, Integer step) throws CompilationException {
         return null;
     }
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/AbstractQueryExpressionVisitor.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/AbstractQueryExpressionVisitor.java
index 91fe664..a060d1e 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/AbstractQueryExpressionVisitor.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/AbstractQueryExpressionVisitor.java
@@ -25,6 +25,8 @@
 import org.apache.asterix.lang.common.expression.TypeReferenceExpression;
 import org.apache.asterix.lang.common.expression.UnorderedListTypeDefinition;
 import org.apache.asterix.lang.common.statement.AdapterDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
 import org.apache.asterix.lang.common.statement.CompactStatement;
 import org.apache.asterix.lang.common.statement.ConnectFeedStatement;
 import org.apache.asterix.lang.common.statement.CreateAdapterStatement;
@@ -261,6 +263,16 @@
     }
 
     @Override
+    public R visit(AnalyzeStatement as, T arg) throws CompilationException {
+        return null;
+    }
+
+    @Override
+    public R visit(AnalyzeDropStatement as, T arg) throws CompilationException {
+        return null;
+    }
+
+    @Override
     public R visit(CompactStatement del, T arg) throws CompilationException {
         return null;
     }
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/ILangVisitor.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/ILangVisitor.java
index c2b1311..b9de347 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/ILangVisitor.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/visitor/base/ILangVisitor.java
@@ -42,6 +42,8 @@
 import org.apache.asterix.lang.common.expression.UnorderedListTypeDefinition;
 import org.apache.asterix.lang.common.expression.VariableExpr;
 import org.apache.asterix.lang.common.statement.AdapterDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
 import org.apache.asterix.lang.common.statement.CompactStatement;
 import org.apache.asterix.lang.common.statement.ConnectFeedStatement;
 import org.apache.asterix.lang.common.statement.CreateAdapterStatement;
@@ -207,6 +209,10 @@
 
     R visit(SynonymDropStatement del, T arg) throws CompilationException;
 
+    R visit(AnalyzeStatement as, T arg) throws CompilationException;
+
+    R visit(AnalyzeDropStatement as, T step) throws CompilationException;
+
     R visit(CompactStatement del, T arg) throws CompilationException;
 
     R visit(ListSliceExpression expression, T arg) throws CompilationException;
diff --git a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/parser/SqlppHint.java b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/parser/SqlppHint.java
index 925140b..f565fcd 100644
--- a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/parser/SqlppHint.java
+++ b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/parser/SqlppHint.java
@@ -33,6 +33,7 @@
     DATETIME_ADD_RAND_HOURS_HINT("datetime-add-rand-hours"),
     DATETIME_BETWEEN_YEARS_HINT("datetime-between-years"),
     HASH_GROUP_BY_HINT("hash"),
+    HASH_JOIN_HINT("hashjoin"),
     INDEXED_NESTED_LOOP_JOIN_HINT("indexnl"),
     INMEMORY_HINT("inmem"),
     INSERT_RAND_INT_HINT("insert-rand-int"),
@@ -46,6 +47,8 @@
     VAL_FILE_HINT("val-files"),
     VAL_FILE_SAME_INDEX_HINT("val-file-same-idx"),
     GEN_FIELDS_HINT("gen-fields"),
+    SINGLE_DATASET_PREDICATE_SELECTIVITY_HINT("selectivity"),
+    JOIN_PREDICATE_PRODUCTIVITY_HINT("productivity"),
 
     // data generator hints
     DGEN_HINT("dgen");
diff --git a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/OperatorExpressionVisitor.java b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/OperatorExpressionVisitor.java
index 93a14ca..7967f36 100644
--- a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/OperatorExpressionVisitor.java
+++ b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/OperatorExpressionVisitor.java
@@ -45,6 +45,7 @@
 import org.apache.asterix.lang.sqlpp.visitor.base.AbstractSqlppExpressionScopingVisitor;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.PredicateCardinalityAnnotation;
 import org.apache.hyracks.api.exceptions.SourceLocation;
 
 public class OperatorExpressionVisitor extends AbstractSqlppExpressionScopingVisitor {
@@ -85,6 +86,7 @@
     private Expression processLikeOperator(OperatorExpr operatorExpr, OperatorType opType) {
         CallExpr likeExpr =
                 new CallExpr(new FunctionSignature(BuiltinFunctions.STRING_LIKE), operatorExpr.getExprList());
+        likeExpr.addHints(operatorExpr.getHints());
         likeExpr.setSourceLocation(operatorExpr.getSourceLocation());
         switch (opType) {
             case LIKE:
@@ -135,6 +137,20 @@
         return callExpr;
     }
 
+    private List<IExpressionAnnotation> removeSelectivityHints(OperatorExpr expr) {
+        if (expr.hasHints()) {
+            List<IExpressionAnnotation> copyHintsExceptSelectivity = new ArrayList<>();
+            for (IExpressionAnnotation h : expr.getHints()) {
+                if (!(h.getClass().equals(PredicateCardinalityAnnotation.class))) {
+                    copyHintsExceptSelectivity.add(h);
+                }
+            }
+            return copyHintsExceptSelectivity;
+        } else {
+            return expr.getHints();
+        }
+    }
+
     private Expression processBetweenOperator(OperatorExpr operatorExpr, OperatorType opType)
             throws CompilationException {
         // The grammar guarantees that the BETWEEN operator gets exactly three expressions.
@@ -147,8 +163,11 @@
                 operatorExpr.getSourceLocation());
         // Creates the expression target <= right.
         Expression targetCopy = (Expression) SqlppRewriteUtil.deepCopy(target);
+
+        // remove any selectivity hints from operatorExpr; do not want to duplicate those hints
         Expression rightComparison = createOperatorExpression(OperatorType.LE, targetCopy, right,
-                operatorExpr.getHints(), operatorExpr.getSourceLocation());
+                removeSelectivityHints(operatorExpr), operatorExpr.getSourceLocation());
+
         Expression andExpr = createOperatorExpression(OperatorType.AND, leftComparison, rightComparison, null,
                 operatorExpr.getSourceLocation());
         switch (opType) {
diff --git a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
index 4e64944..759fe90 100644
--- a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
+++ b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
@@ -76,6 +76,7 @@
 import org.apache.asterix.common.functions.FunctionSignature;
 import org.apache.asterix.common.metadata.DataverseName;
 import org.apache.asterix.common.metadata.DatasetFullyQualifiedName;
+import org.apache.asterix.external.dataset.adapter.AdapterIdentifier;
 import org.apache.asterix.lang.common.base.AbstractClause;
 import org.apache.asterix.lang.common.base.AbstractLangExpression;
 import org.apache.asterix.lang.common.base.AbstractStatement;
@@ -124,6 +125,8 @@
 import org.apache.asterix.lang.common.literal.TrueLiteral;
 import org.apache.asterix.lang.common.parser.ScopeChecker;
 import org.apache.asterix.lang.common.statement.AdapterDropStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeStatement;
+import org.apache.asterix.lang.common.statement.AnalyzeDropStatement;
 import org.apache.asterix.lang.common.statement.CompactStatement;
 import org.apache.asterix.lang.common.statement.ConnectFeedStatement;
 import org.apache.asterix.lang.common.statement.StartFeedStatement;
@@ -205,7 +208,7 @@
 import org.apache.asterix.lang.sqlpp.util.ExpressionToVariableUtil;
 import org.apache.asterix.lang.sqlpp.util.FunctionMapUtil;
 import org.apache.asterix.lang.sqlpp.util.SqlppVariableUtil;
-import org.apache.asterix.external.dataset.adapter.AdapterIdentifier;
+import org.apache.asterix.metadata.utils.MetadataConstants;
 import org.apache.asterix.om.exceptions.TypeMismatchException;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.om.types.BuiltinType;
@@ -215,7 +218,10 @@
 import org.apache.hyracks.algebricks.common.utils.Triple;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.JoinProductivityAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.PredicateCardinalityAnnotation;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
 import org.apache.hyracks.api.exceptions.SourceLocation;
@@ -223,6 +229,8 @@
 import org.apache.hyracks.dataflow.common.data.partition.range.RangeMap;
 import org.apache.hyracks.util.LogRedactionUtil;
 import org.apache.hyracks.util.StringUtil;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 class SQLPPParser extends ScopeChecker implements IParser {
 
@@ -257,6 +265,7 @@
     private static final String REPLACE = "REPLACE";
     private static final String RETURNS = "RETURNS";
     private static final String CONFIG = "CONFIG";
+    private static final String STATISTICS = "STATISTICS";
 
 
     private static final String INT_TYPE_NAME = "int";
@@ -405,6 +414,32 @@
         return new SQLPPParser(text).parseParenthesizedIdentifierList();
     }
 
+    private Pair<HashJoinExpressionAnnotation.BuildOrProbe, String> parseHashJoinParams() throws CompilationException {
+        return parseImpl(new ParseFunction<Pair<HashJoinExpressionAnnotation.BuildOrProbe, String>>() {
+            @Override
+            public  Pair<HashJoinExpressionAnnotation.BuildOrProbe, String> parse() throws ParseException {
+                return SQLPPParser.this.buildOrProbeParenthesizedIdentifier();
+            }
+        });
+    }
+
+    private static Pair<HashJoinExpressionAnnotation.BuildOrProbe, String> parseHashJoinParams(String text) throws CompilationException {
+        return new SQLPPParser(text).parseHashJoinParams();
+    }
+
+    private String parseBroadcastJoinParams() throws CompilationException {
+            return parseImpl(new ParseFunction<String>() {
+                @Override
+                public  String parse() throws ParseException {
+                    return SQLPPParser.this.parenthesizedIdentifier();
+                }
+            });
+        }
+
+    private static String parseBroadcastJoinParams(String text) throws CompilationException {
+        return new SQLPPParser(text).parseBroadcastJoinParams();
+    }
+
     private List<Literal> parseParenthesizedLiteralList() throws CompilationException {
         return parseImpl(new ParseFunction<List<Literal>>() {
             @Override
@@ -647,10 +682,59 @@
     private IExpressionAnnotation parseExpressionAnnotation(Token hintToken) {
       // placeholder for the annotation that should be returned if this hint's parameters cannot be parsed
       IExpressionAnnotation onParseErrorReturn = null;
+      double selectivity, cardinality, productivity;
+      Pattern number = Pattern.compile("\\d+\\.\\d+");
+      Pattern stringNumber = Pattern.compile("\\w+\\s+\\d+\\.\\d+");
+      Pattern lessThanOnePat = Pattern.compile("0\\.\\d+");
       try {
         switch (hintToken.hint) {
+          case SINGLE_DATASET_PREDICATE_SELECTIVITY_HINT:
+            selectivity = 1.0; // uninitialized
+            if (hintToken.hintParams != null) {
+            Matcher mat = lessThanOnePat.matcher(hintToken.hintParams);
+            if (mat.find()) {
+                selectivity = Double.parseDouble (mat.group());
+                }
+            }
+
+            return new PredicateCardinalityAnnotation(selectivity);
+          case JOIN_PREDICATE_PRODUCTIVITY_HINT:
+            productivity = 1.0; // uninitialized
+            String leftSideDataSet = null;
+            if (hintToken.hintParams != null) {
+                Matcher StringNum = stringNumber.matcher(hintToken.hintParams);
+
+                if (StringNum.find()) {
+                    String matchedGroup = StringNum.group();
+                    Pattern var = Pattern.compile("[a-zA-Z]\\w*"); // any word character [a-zA-Z_0-9]
+                    Matcher matVar = var.matcher(matchedGroup);
+                    if (matVar.find())
+                        leftSideDataSet = matVar.group();
+                    Matcher numMat = number.matcher(matchedGroup);
+                    if (numMat.find())
+                        productivity = Double.parseDouble (numMat.group());
+                }
+            }
+            // attach hint to global scope
+            return new JoinProductivityAnnotation (productivity, leftSideDataSet);
           case HASH_BROADCAST_JOIN_HINT:
-            return new BroadcastExpressionAnnotation(BroadcastExpressionAnnotation.BroadcastSide.RIGHT);
+            if (hintToken.hintParams == null) {
+              return new BroadcastExpressionAnnotation(BroadcastExpressionAnnotation.BroadcastSide.RIGHT);
+            }
+            else {
+              // if parameter parsing fails then ignore this hint.
+              String name = parseBroadcastJoinParams(hintToken.hintParams);
+              return new BroadcastExpressionAnnotation(name);
+            }
+          case HASH_JOIN_HINT:
+            if (hintToken.hintParams == null) {
+              throw new SqlppParseException(getSourceLocation(hintToken), "Expected hash join build/probe collection name");
+            }
+            else {
+              // if parameter parsing fails then ignore this hint.
+              Pair<HashJoinExpressionAnnotation.BuildOrProbe, String> pair = parseHashJoinParams(hintToken.hintParams);
+              return new HashJoinExpressionAnnotation(pair);
+            }
           case INDEXED_NESTED_LOOP_JOIN_HINT:
             if (hintToken.hintParams == null) {
               return IndexedNLJoinExpressionAnnotation.INSTANCE_ANY_INDEX;
@@ -836,6 +920,7 @@
     | stmt = UpsertStatement()
     | stmt = ConnectionStatement()
     | stmt = CompactStatement()
+    | stmt = AnalyzeStatement()
     | stmt = Query()
     | stmt = RefreshExternalDatasetStatement()
   )
@@ -987,6 +1072,13 @@
     (<DATASET>|<COLLECTION>)
 }
 
+void DatasetToken() throws ParseException:
+{
+}
+{
+    Dataset()
+}
+
 DatasetDecl CreateDatasetStatement(Token startStmtToken) throws ParseException:
 {
   DatasetDecl stmt = null;
@@ -1378,7 +1470,7 @@
   <ON> nameComponents = QualifiedName() (<TYPE> <BTREE>)?
   {
     if (indexName == null) {
-      indexName = "primary_idx_" + nameComponents.second;
+      indexName = MetadataConstants.PRIMARY_INDEX_PREFIX + nameComponents.second;
     }
     CreateIndexStatement stmt = new CreateIndexStatement(nameComponents.first, nameComponents.second,
       new Identifier(indexName), IndexType.BTREE, Collections.emptyList(), false, -1, null, ifNotExists, null, null,
@@ -2628,6 +2720,50 @@
     }
 }
 
+Statement AnalyzeStatement() throws ParseException:
+{
+  Token startToken = null;
+  Statement stmt = null;
+  Pair<DataverseName,Identifier> nameComponents = null;
+}
+{
+  <ANALYZE> { startToken = token; } DatasetToken() nameComponents = QualifiedName()
+  (
+    stmt = AnalyzeDatasetDropStatement(startToken, nameComponents.first, nameComponents.second)
+    | stmt = AnalyzeDatasetStatement(startToken, nameComponents.first, nameComponents.second)
+  )
+  {
+    return stmt;
+  }
+}
+
+Statement AnalyzeDatasetStatement(Token startToken, DataverseName dvName, Identifier identifier) throws ParseException:
+{
+  RecordConstructor withRecord = null;
+}
+{
+  ( <WITH> withRecord = RecordConstructor() )?
+  {
+    try {
+    AnalyzeStatement stmt = new AnalyzeStatement(dvName, identifier.getValue(), withRecord);
+    return addSourceLocation(stmt, startToken);
+    } catch (CompilationException e) {
+       throw new SqlppParseException(getSourceLocation(startToken), e.getMessage());
+    }
+  }
+}
+
+Statement AnalyzeDatasetDropStatement(Token startToken, DataverseName dvName, Identifier identifier) throws ParseException:
+{
+}
+{
+  <DROP> <IDENTIFIER> { expectToken(STATISTICS); }
+  {
+    AnalyzeDropStatement stmt = new AnalyzeDropStatement(dvName, identifier.getValue());
+    return addSourceLocation(stmt, startToken);
+  }
+}
+
 Statement CompactStatement() throws ParseException:
 {
   Token startToken = null;
@@ -2994,7 +3130,7 @@
   // Note: there's a copy of this production in PrimaryExpr() (LOOKAHEAD for FunctionCallExpr())
   //       that copy must be kept in sync with this code
   prefix = MultipartIdentifierWithHints(
-    SqlppHint.INDEXED_NESTED_LOOP_JOIN_HINT, SqlppHint.RANGE_HINT, SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT,
+    SqlppHint.INDEXED_NESTED_LOOP_JOIN_HINT, SqlppHint.RANGE_HINT, SqlppHint.HASH_JOIN_HINT, SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT,
     SqlppHint.SPATIAL_JOIN_HINT, SqlppHint.USE_SECONDARY_INDEX_SEARCH_HINT
   )
   (<SHARP> suffix = Identifier())?
@@ -3074,6 +3210,39 @@
   }
 }
 
+Pair<HashJoinExpressionAnnotation.BuildOrProbe, String> buildOrProbeParenthesizedIdentifier() throws ParseException:
+{
+  String ident1 = null;
+  String ident2 = null;
+}
+{
+  ident1 = Identifier() <LEFTPAREN> ident2 = Identifier() <RIGHTPAREN>
+  {
+    // check
+    if (ident1.equals("build")) {
+        return new Pair<HashJoinExpressionAnnotation.BuildOrProbe, String>(HashJoinExpressionAnnotation.BuildOrProbe.BUILD, ident2);
+    }
+    else if (ident1.equals("probe")) {
+            return new Pair<HashJoinExpressionAnnotation.BuildOrProbe, String>(HashJoinExpressionAnnotation.BuildOrProbe.PROBE, ident2);
+    }
+    else {
+        throw new SqlppParseException(getSourceLocation(token), "The string after hashjoin has to be \"build\" or \"probe\".");
+    }
+    return null;
+  }
+}
+
+String parenthesizedIdentifier() throws ParseException:
+{
+  String ident = null;
+}
+{
+  <LEFTPAREN> ident = Identifier() <RIGHTPAREN>
+  {
+    return ident;
+  }
+}
+
 List<Literal> ParenthesizedLiteralList() throws ParseException:
 {
   List<Literal> list = new ArrayList<Literal>();
@@ -3481,6 +3650,7 @@
   Token opToken = null;
   Expression operand = null;
   IExpressionAnnotation annotation = null;
+  List<IExpressionAnnotation> annotationList = new ArrayList<IExpressionAnnotation>();
 }
 {
     operand = BetweenExpr()
@@ -3494,10 +3664,17 @@
           }
           Token hintToken = fetchHint(token,
             SqlppHint.HASH_BROADCAST_JOIN_HINT, SqlppHint.INDEXED_NESTED_LOOP_JOIN_HINT,
-            SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT, SqlppHint.USE_SECONDARY_INDEX_SEARCH_HINT
+            SqlppHint.HASH_JOIN_HINT, SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT, SqlppHint.USE_SECONDARY_INDEX_SEARCH_HINT,
+            SqlppHint.SINGLE_DATASET_PREDICATE_SELECTIVITY_HINT, SqlppHint.JOIN_PREDICATE_PRODUCTIVITY_HINT
           );
-          if (hintToken != null) {
+          while (hintToken != null) {
             annotation = parseExpressionAnnotation(hintToken);
+            annotationList.add(annotation);
+            hintToken = hintToken.specialToken;
+            if (hintToken != null) {
+                SourceLocation sourceLoc = getSourceLocation(hintToken);
+                hintCollector.remove(sourceLoc);
+            }
           }
           String operator = opToken.image.toLowerCase();
           if (operator.equals("<>")){
@@ -3527,7 +3704,7 @@
 
      {
        if (annotation != null) {
-         op.addHint(annotation);
+         op.addHints(annotationList);
        }
        return op==null? operand: op;
      }
@@ -3547,8 +3724,8 @@
       (<NOT> { not = true; })? <BETWEEN>
         {
           Token hintToken = fetchHint(token,
-            SqlppHint.INDEXED_NESTED_LOOP_JOIN_HINT, SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT,
-            SqlppHint.USE_SECONDARY_INDEX_SEARCH_HINT
+            SqlppHint.INDEXED_NESTED_LOOP_JOIN_HINT, SqlppHint.SKIP_SECONDARY_INDEX_SEARCH_HINT, SqlppHint.HASH_JOIN_HINT,
+            SqlppHint.USE_SECONDARY_INDEX_SEARCH_HINT, SqlppHint.SINGLE_DATASET_PREDICATE_SELECTIVITY_HINT
           );
           if (hintToken != null) {
             annotation = parseExpressionAnnotation(hintToken);
@@ -3632,6 +3809,7 @@
   boolean not = false;
   OperatorExpr op = null;
   Expression operand = null;
+  IExpressionAnnotation annotation = null;
 }
 {
     operand = ConcatExpr()
@@ -3639,6 +3817,10 @@
         LOOKAHEAD(2)
         (<NOT> { not = true; })? <LIKE>
         {
+          Token hintToken = fetchHint(token, SqlppHint.SINGLE_DATASET_PREDICATE_SELECTIVITY_HINT);
+          if (hintToken != null) {
+               annotation = parseExpressionAnnotation(hintToken);
+          }
           op = new OperatorExpr();
           op.addOperand(operand);
           op.setCurrentop(true);
@@ -3653,6 +3835,9 @@
           } catch (CompilationException e){
             throw new SqlppParseException(getSourceLocation(token), e.getMessage());
           }
+          if (annotation != null) {
+             op.addHint(annotation);
+          }
         }
 
         operand = ConcatExpr()
@@ -5304,11 +5489,12 @@
 
     void CommonTokenAction(Token token) {
       Token hintToken = token.specialToken;
-      if (hintToken != null) {
+      while (hintToken != null) { // make this a while loop
         hintToken.sourceLocation = new SourceLocation(hintToken.beginLine, hintToken.beginColumn);
         String text = hintToken.image.substring(1).trim();
         boolean hintFound = hintToken.parseHint(text);
         hintCollector.put(hintToken.sourceLocation, hintFound ? hintToken.hint.getIdentifier() : hintToken.hintParams);
+        hintToken = hintToken.specialToken;
       }
     }
 }
@@ -5318,6 +5504,7 @@
 {
   <ADAPTER: "adapter">
   | <ALL : "all">
+  | <ANALYZE: "analyze">
   | <AND : "and">
   | <ANY : "any">
   | <APPLY : "apply">
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/bootstrap/MetadataBootstrap.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/bootstrap/MetadataBootstrap.java
index fd0d30b..8880461 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/bootstrap/MetadataBootstrap.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/bootstrap/MetadataBootstrap.java
@@ -423,16 +423,16 @@
         if (createMetadataDataset) {
             final double bloomFilterFalsePositiveRate =
                     appContext.getStorageProperties().getBloomFilterFalsePositiveRate();
-            LSMBTreeLocalResourceFactory lsmBtreeFactory =
-                    new LSMBTreeLocalResourceFactory(storageComponentProvider.getStorageManager(), typeTraits,
-                            cmpFactories, null, null, null, opTrackerFactory, ioOpCallbackFactory,
-                            pageWriteCallbackFactory, storageComponentProvider.getMetadataPageManagerFactory(),
-                            new AsterixVirtualBufferCacheProvider(datasetId),
-                            storageComponentProvider.getIoOperationSchedulerProvider(),
-                            appContext.getMetadataMergePolicyFactory(),
-                            StorageConstants.DEFAULT_COMPACTION_POLICY_PROPERTIES, true, bloomFilterKeyFields,
-                            bloomFilterFalsePositiveRate, true, null, NoOpCompressorDecompressorFactory.INSTANCE, true,
-                            TypeTraitProvider.INSTANCE.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE);
+            LSMBTreeLocalResourceFactory lsmBtreeFactory = new LSMBTreeLocalResourceFactory(
+                    storageComponentProvider.getStorageManager(), typeTraits, cmpFactories, null, null, null,
+                    opTrackerFactory, ioOpCallbackFactory, pageWriteCallbackFactory,
+                    storageComponentProvider.getMetadataPageManagerFactory(),
+                    new AsterixVirtualBufferCacheProvider(datasetId),
+                    storageComponentProvider.getIoOperationSchedulerProvider(),
+                    appContext.getMetadataMergePolicyFactory(), StorageConstants.DEFAULT_COMPACTION_POLICY_PROPERTIES,
+                    true, bloomFilterKeyFields, bloomFilterFalsePositiveRate, true, null,
+                    NoOpCompressorDecompressorFactory.INSTANCE, true,
+                    TypeTraitProvider.INSTANCE.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE, false);
             DatasetLocalResourceFactory dsLocalResourceFactory =
                     new DatasetLocalResourceFactory(datasetId, lsmBtreeFactory);
             // TODO(amoudi) Creating the index should be done through the same code path as
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
index c0bdc75..9a2821e 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
@@ -100,7 +100,7 @@
                         pageWriteCallbackFactory, metadataPageManagerFactory, vbcProvider, ioSchedulerProvider,
                         mergePolicyFactory, mergePolicyProperties, true, null, bloomFilterFalsePositiveRate,
                         index.isPrimaryIndex(), btreeFields, compDecompFactory, false,
-                        typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE);
+                        typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE, false);
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_DATASET_TYPE,
                         dataset.getDatasetType().toString());
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/BTreeResourceFactoryProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/BTreeResourceFactoryProvider.java
index 168b56e..d119067 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/BTreeResourceFactoryProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/BTreeResourceFactoryProvider.java
@@ -21,6 +21,7 @@
 import java.util.List;
 import java.util.Map;
 
+import org.apache.asterix.common.config.DatasetConfig;
 import org.apache.asterix.common.config.DatasetConfig.DatasetType;
 import org.apache.asterix.common.context.AsterixVirtualBufferCacheProvider;
 import org.apache.asterix.common.context.IStorageComponentProvider;
@@ -92,13 +93,13 @@
                                 filterTypeTraits, filterCmpFactories, filterFields, opTrackerFactory,
                                 ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
                                 ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
-                                bloomFilterFalsePositiveRate, false, btreeFields, hasBloomFilter,
+                                bloomFilterFalsePositiveRate, btreeFields, hasBloomFilter,
                                 typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE)
                         : new ExternalBTreeWithBuddyLocalResourceFactory(storageManager, typeTraits, cmpFactories,
                                 filterTypeTraits, filterCmpFactories, filterFields, opTrackerFactory,
                                 ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
                                 ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
-                                bloomFilterFalsePositiveRate, false, btreeFields, hasBloomFilter,
+                                bloomFilterFalsePositiveRate, btreeFields, hasBloomFilter,
                                 typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE);
             case INTERNAL:
                 AsterixVirtualBufferCacheProvider vbcProvider =
@@ -112,12 +113,15 @@
                     compDecompFactory = NoOpCompressorDecompressorFactory.INSTANCE;
                 }
 
+                boolean isSecondaryNoIncrementalMaintenance = index.getIndexType() == DatasetConfig.IndexType.SAMPLE;
+
                 return new LSMBTreeLocalResourceFactory(storageManager, typeTraits, cmpFactories, filterTypeTraits,
                         filterCmpFactories, filterFields, opTrackerFactory, ioOpCallbackFactory,
                         pageWriteCallbackFactory, metadataPageManagerFactory, vbcProvider, ioSchedulerProvider,
                         mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
                         bloomFilterFalsePositiveRate, index.isPrimaryIndex(), btreeFields, compDecompFactory,
-                        hasBloomFilter, typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE);
+                        hasBloomFilter, typeTraitProvider.getTypeTrait(BuiltinType.ANULL), NullIntrospector.INSTANCE,
+                        isSecondaryNoIncrementalMaintenance);
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_DATASET_TYPE,
                         dataset.getDatasetType().toString());
@@ -127,7 +131,7 @@
     private static ITypeTraits[] getTypeTraits(MetadataProvider metadataProvider, Dataset dataset, Index index,
             ARecordType recordType, ARecordType metaType) throws AlgebricksException {
         ITypeTraits[] primaryTypeTraits = dataset.getPrimaryTypeTraits(metadataProvider, recordType, metaType);
-        if (index.isPrimaryIndex()) {
+        if (index.isPrimaryIndex() || index.getIndexType() == DatasetConfig.IndexType.SAMPLE) {
             return primaryTypeTraits;
         } else if (dataset.getDatasetType() == DatasetType.EXTERNAL
                 && index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
@@ -162,7 +166,7 @@
             Index index, ARecordType recordType, ARecordType metaType) throws AlgebricksException {
         IBinaryComparatorFactory[] primaryCmpFactories =
                 dataset.getPrimaryComparatorFactories(metadataProvider, recordType, metaType);
-        if (index.isPrimaryIndex()) {
+        if (index.isPrimaryIndex() || index.getIndexType() == DatasetConfig.IndexType.SAMPLE) {
             return dataset.getPrimaryComparatorFactories(metadataProvider, recordType, metaType);
         } else if (dataset.getDatasetType() == DatasetType.EXTERNAL
                 && index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
@@ -200,7 +204,8 @@
         if (index.isPrimaryIndex() || index.isPrimaryKeyIndex()) {
             return dataset.getPrimaryBloomFilterFields();
         }
-        if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
+        if (dataset.getDatasetType() == DatasetType.EXTERNAL
+                && index.getIndexType() != DatasetConfig.IndexType.SAMPLE) {
             if (index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
                 return FilesIndexDescription.BLOOM_FILTER_FIELDS;
             } else {
@@ -224,6 +229,8 @@
                     bloomFilterKeyFields[i] = i;
                 }
                 return bloomFilterKeyFields;
+            case SAMPLE:
+                return null;
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE,
                         String.valueOf(index.getIndexType()));
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSource.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSource.java
index 454d3da..95b0906 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSource.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSource.java
@@ -60,6 +60,7 @@
         public static final byte FEED = 0x02;
         public static final byte LOADABLE = 0x03;
         public static final byte FUNCTION = 0x04;
+        public static final byte SAMPLE = 0x05;
 
         // Hide implicit public constructor
         private Type() {
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSourcePartitioningProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSourcePartitioningProvider.java
index 21b744f..324c660 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSourcePartitioningProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DataSourcePartitioningProvider.java
@@ -61,6 +61,7 @@
                 pp = getFeedPartitioningProperty(ds, domain, scanVariables);
                 break;
             case DataSource.Type.INTERNAL_DATASET:
+            case DataSource.Type.SAMPLE:
                 Set<LogicalVariable> pvars = new ListSet<>();
                 pp = getInternalDatasetPartitioningProperty(ds, domain, scanVariables, pvars);
                 propsLocal.add(new LocalOrderProperty(getOrderColumns(pvars)));
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DatasetDataSource.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DatasetDataSource.java
index 1d82b19..661b954 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DatasetDataSource.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/DatasetDataSource.java
@@ -78,13 +78,18 @@
 
     private void initInternalDataset(IAType itemType, IAType metaItemType, IDatasetDetails datasetDetails)
             throws AlgebricksException {
-        InternalDatasetDetails internalDatasetDetails = (InternalDatasetDetails) datasetDetails;
+        schemaTypes =
+                createSchemaTypesForInternalDataset(itemType, metaItemType, (InternalDatasetDetails) datasetDetails);
+    }
+
+    static IAType[] createSchemaTypesForInternalDataset(IAType itemType, IAType metaItemType,
+            InternalDatasetDetails internalDatasetDetails) throws AlgebricksException {
         ARecordType recordType = (ARecordType) itemType;
         ARecordType metaRecordType = (ARecordType) metaItemType;
         List<IAType> partitioningKeyTypes =
                 KeyFieldTypeUtil.getPartitioningKeyTypes(internalDatasetDetails, recordType, metaRecordType);
         int n = partitioningKeyTypes.size();
-        schemaTypes = metaItemType == null ? new IAType[n + 1] : new IAType[n + 2];
+        IAType[] schemaTypes = metaItemType == null ? new IAType[n + 1] : new IAType[n + 2];
         for (int keyIndex = 0; keyIndex < n; ++keyIndex) {
             schemaTypes[keyIndex] = partitioningKeyTypes.get(keyIndex);
         }
@@ -92,11 +97,17 @@
         if (metaItemType != null) {
             schemaTypes[n + 1] = metaItemType;
         }
+        return schemaTypes;
     }
 
     private void initExternalDataset(IAType itemType) {
-        schemaTypes = new IAType[1];
+        schemaTypes = createSchemaTypesForExternalDataset(itemType);
+    }
+
+    static IAType[] createSchemaTypesForExternalDataset(IAType itemType) {
+        IAType[] schemaTypes = new IAType[1];
         schemaTypes[0] = itemType;
+        return schemaTypes;
     }
 
     @Override
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
index 4cc83ab..53cf3d0 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
@@ -26,11 +26,13 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 import org.apache.asterix.common.cluster.IClusterStateManager;
 import org.apache.asterix.common.config.DatasetConfig.DatasetType;
@@ -93,7 +95,9 @@
 import org.apache.asterix.metadata.lock.ExternalDatasetsRegistry;
 import org.apache.asterix.metadata.utils.DatasetUtil;
 import org.apache.asterix.metadata.utils.FullTextUtil;
+import org.apache.asterix.metadata.utils.IndexUtil;
 import org.apache.asterix.metadata.utils.MetadataConstants;
+import org.apache.asterix.metadata.utils.MetadataUtil;
 import org.apache.asterix.metadata.utils.SplitsAndConstraintsUtil;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.om.functions.IFunctionExtensionManager;
@@ -115,6 +119,7 @@
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.Counter;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
@@ -182,12 +187,11 @@
     private Dataverse defaultDataverse;
     private MetadataTransactionContext mdTxnCtx;
     private boolean isWriteTransaction;
-    private IAWriterFactory writerFactory;
     private FileSplit outputFile;
     private boolean asyncResults;
     private long maxResultReads;
     private ResultSetId resultSetId;
-    private IResultSerializerFactoryProvider resultSerializerFactoryProvider;
+    private Counter resultSetIdCounter;
     private TxnId txnId;
     private Map<String, Integer> externalDataLocks;
     private boolean blockingOperatorDisabled = false;
@@ -262,10 +266,6 @@
         this.isWriteTransaction = writeTransaction;
     }
 
-    public void setWriterFactory(IAWriterFactory writerFactory) {
-        this.writerFactory = writerFactory;
-    }
-
     public void setMetadataTxnContext(MetadataTransactionContext mdTxnCtx) {
         this.mdTxnCtx = mdTxnCtx;
     }
@@ -274,10 +274,6 @@
         return mdTxnCtx;
     }
 
-    public IAWriterFactory getWriterFactory() {
-        return this.writerFactory;
-    }
-
     public FileSplit getOutputFile() {
         return outputFile;
     }
@@ -310,12 +306,12 @@
         this.resultSetId = resultSetId;
     }
 
-    public void setResultSerializerFactoryProvider(IResultSerializerFactoryProvider rafp) {
-        this.resultSerializerFactoryProvider = rafp;
+    public Counter getResultSetIdCounter() {
+        return resultSetIdCounter;
     }
 
-    public IResultSerializerFactoryProvider getResultSerializerFactoryProvider() {
-        return resultSerializerFactoryProvider;
+    public void setResultSetIdCounter(Counter resultSetIdCounter) {
+        this.resultSetIdCounter = resultSetIdCounter;
     }
 
     public boolean isWriteTransaction() {
@@ -437,6 +433,16 @@
         return MetadataManagerUtil.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
     }
 
+    public Index findSampleIndex(DataverseName dataverseName, String datasetName) throws AlgebricksException {
+        Pair<String, String> sampleIndexNames = IndexUtil.getSampleIndexNames(datasetName);
+        Index sampleIndex = getIndex(dataverseName, datasetName, sampleIndexNames.first);
+        if (sampleIndex != null && sampleIndex.getPendingOp() == MetadataUtil.PENDING_NO_OP) {
+            return sampleIndex;
+        }
+        sampleIndex = getIndex(dataverseName, datasetName, sampleIndexNames.second);
+        return sampleIndex != null && sampleIndex.getPendingOp() == MetadataUtil.PENDING_NO_OP ? sampleIndex : null;
+    }
+
     public Triple<DataverseName, String, Boolean> resolveDatasetNameUsingSynonyms(DataverseName dataverseName,
             String datasetName, boolean includingViews) throws AlgebricksException {
         DataverseName dvName = getActiveDataverseName(dataverseName);
@@ -561,6 +567,12 @@
             case BTREE:
                 numSecondaryKeys = ((Index.ValueIndexDetails) theIndex.getIndexDetails()).getKeyFieldNames().size();
                 break;
+            case SAMPLE:
+                if (isIndexOnlyPlan) {
+                    throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, "");
+                }
+                numSecondaryKeys = 0;
+                break;
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE,
                         theIndex.getIndexType().toString());
@@ -683,7 +695,8 @@
 
     @Override
     public Pair<IPushRuntimeFactory, AlgebricksPartitionConstraint> getWriteFileRuntime(IDataSink sink,
-            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc) {
+            int[] printColumns, IPrinterFactory[] printerFactories, IAWriterFactory writerFactory,
+            RecordDescriptor inputDesc) {
         FileSplitDataSink fsds = (FileSplitDataSink) sink;
         FileSplitSinkId fssi = fsds.getId();
         FileSplit fs = fssi.getFileSplit();
@@ -691,14 +704,15 @@
         String nodeId = fs.getNodeName();
 
         SinkWriterRuntimeFactory runtime =
-                new SinkWriterRuntimeFactory(printColumns, printerFactories, outFile, getWriterFactory(), inputDesc);
+                new SinkWriterRuntimeFactory(printColumns, printerFactories, outFile, writerFactory, inputDesc);
         AlgebricksPartitionConstraint apc = new AlgebricksAbsolutePartitionConstraint(new String[] { nodeId });
         return new Pair<>(runtime, apc);
     }
 
     @Override
     public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
-            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc,
+            int[] printColumns, IPrinterFactory[] printerFactories, IAWriterFactory writerFactory,
+            IResultSerializerFactoryProvider resultSerializerFactoryProvider, RecordDescriptor inputDesc,
             IResultMetadata metadata, JobSpecification spec) throws AlgebricksException {
         ResultSetDataSink rsds = (ResultSetDataSink) sink;
         ResultSetSinkId rssId = rsds.getId();
@@ -706,7 +720,7 @@
         ResultWriterOperatorDescriptor resultWriter = null;
         try {
             IResultSerializerFactory resultSerializedAppenderFactory = resultSerializerFactoryProvider
-                    .getAqlResultSerializerFactoryProvider(printColumns, printerFactories, getWriterFactory());
+                    .getResultSerializerFactoryProvider(printColumns, printerFactories, writerFactory);
             resultWriter = new ResultWriterOperatorDescriptor(spec, rsId, metadata, getResultAsyncMode(),
                     resultSerializedAppenderFactory, getMaxResultReads());
         } catch (IOException e) {
@@ -1818,6 +1832,24 @@
         return StoragePathUtil.splitProviderAndPartitionConstraints(splits);
     }
 
+    public List<Pair<IFileSplitProvider, String>> getSplitProviderOfAllIndexes(Dataset ds) throws AlgebricksException {
+        List<Index> dsIndexes = getDatasetIndexes(ds.getDataverseName(), ds.getDatasetName()).stream()
+                .filter(idx -> idx.getIndexType() != IndexType.SAMPLE && idx.isSecondaryIndex())
+                .collect(Collectors.toList());
+        if (dsIndexes.isEmpty()) {
+            return Collections.emptyList();
+        }
+        List<String> datasetNodes = findNodes(ds.getNodeGroupName());
+        List<Pair<IFileSplitProvider, String>> indexesSplits =
+                dsIndexes.stream()
+                        .map(idx -> new Pair<>(
+                                StoragePathUtil.splitProvider(SplitsAndConstraintsUtil.getIndexSplits(
+                                        appCtx.getClusterStateManager(), ds, idx.getIndexName(), datasetNodes)),
+                                idx.getIndexName()))
+                        .collect(Collectors.toList());
+        return indexesSplits;
+    }
+
     public LockList getLocks() {
         return locks;
     }
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/SampleDataSource.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/SampleDataSource.java
new file mode 100644
index 0000000..885723c
--- /dev/null
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/SampleDataSource.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.metadata.declared;
+
+import java.util.List;
+
+import org.apache.asterix.metadata.entities.Dataset;
+import org.apache.asterix.metadata.entities.InternalDatasetDetails;
+import org.apache.asterix.om.types.IAType;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IProjectionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+
+public class SampleDataSource extends DataSource {
+
+    private final Dataset dataset;
+
+    private final String sampleIndexName;
+
+    public SampleDataSource(Dataset dataset, String sampleIndexName, IAType itemType, IAType metaItemType,
+            INodeDomain domain) throws AlgebricksException {
+        super(createSampleDataSourceId(dataset, sampleIndexName), itemType, metaItemType, Type.SAMPLE, domain);
+        this.dataset = dataset;
+        this.sampleIndexName = sampleIndexName;
+        this.schemaTypes = DatasetDataSource.createSchemaTypesForInternalDataset(itemType, metaItemType,
+                (InternalDatasetDetails) dataset.getDatasetDetails());
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> buildDatasourceScanRuntime(
+            MetadataProvider metadataProvider, IDataSource<DataSourceId> dataSource,
+            List<LogicalVariable> scanVariables, List<LogicalVariable> projectVariables, boolean projectPushed,
+            List<LogicalVariable> minFilterVars, List<LogicalVariable> maxFilterVars,
+            ITupleFilterFactory tupleFilterFactory, long outputLimit, IOperatorSchema opSchema,
+            IVariableTypeEnvironment typeEnv, JobGenContext context, JobSpecification jobSpec, Object implConfig,
+            IProjectionInfo<?> projectionInfo) throws AlgebricksException {
+        return metadataProvider.buildBtreeRuntime(jobSpec, opSchema, typeEnv, context, true, false, null, dataset,
+                sampleIndexName, null, null, true, true, false, null, null, null, tupleFilterFactory, outputLimit,
+                false, false);
+    }
+
+    @Override
+    public boolean isScanAccessPathALeaf() {
+        return false;
+    }
+
+    private static DataSourceId createSampleDataSourceId(Dataset dataset, String sampleIndexName) {
+        return new DataSourceId(dataset.getDataverseName(), dataset.getDatasetName(), new String[] { sampleIndexName });
+    }
+}
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Dataset.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Dataset.java
index 37e22ed..e3935a4 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Dataset.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Dataset.java
@@ -497,6 +497,10 @@
                         recordType, metaType, mergePolicyFactory, mergePolicyProperties, filterTypeTraits,
                         filterCmpFactories);
                 break;
+            case SAMPLE:
+                resourceFactory = BTreeResourceFactoryProvider.INSTANCE.getResourceFactory(mdProvider, this, index,
+                        recordType, metaType, mergePolicyFactory, mergePolicyProperties, null, null);
+                break;
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE,
                         index.getIndexType().toString());
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Index.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Index.java
index 9e67292..bbccd65 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Index.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/Index.java
@@ -22,6 +22,7 @@
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 
 import org.apache.asterix.common.config.DatasetConfig.IndexType;
@@ -39,6 +40,7 @@
 import org.apache.asterix.om.utils.NonTaggedFormatUtil;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.api.job.profiling.IndexStats;
 import org.apache.hyracks.util.OptionalBoolean;
 
 /**
@@ -275,6 +277,7 @@
         switch (indexType) {
             case ARRAY:
             case BTREE:
+            case SAMPLE:
                 return ResourceType.LSM_BTREE;
             case RTREE:
                 return ResourceType.LSM_RTREE;
@@ -296,7 +299,8 @@
     public enum IndexCategory {
         VALUE,
         TEXT,
-        ARRAY;
+        ARRAY,
+        SAMPLE;
 
         public static IndexCategory of(IndexType indexType) {
             switch (indexType) {
@@ -310,6 +314,8 @@
                     return TEXT;
                 case ARRAY:
                     return ARRAY;
+                case SAMPLE:
+                    return SAMPLE;
                 default:
                     throw new IllegalArgumentException(String.valueOf(indexType));
             }
@@ -533,6 +539,81 @@
         }
     }
 
+    public static class SampleIndexDetails extends AbstractIndexDetails {
+
+        private static final long serialVersionUID = 1L;
+
+        private final List<List<String>> keyFieldNames;
+
+        private final List<Integer> keyFieldSourceIndicators;
+
+        private final List<IAType> keyFieldTypes;
+
+        private final int sampleCardinalityTarget;
+
+        private final long sourceCardinality;
+
+        private final int sourceAvgItemSize;
+
+        private final long sampleSeed;
+        private final Map<String, IndexStats> indexesStats;
+
+        public SampleIndexDetails(List<List<String>> keyFieldNames, List<Integer> keyFieldSourceIndicators,
+                List<IAType> keyFieldTypes, int sampleCardinalityTarget, long sourceCardinality, int sourceAvgItemSize,
+                long sampleSeed, Map<String, IndexStats> indexesStats) {
+            this.keyFieldNames = keyFieldNames;
+            this.keyFieldSourceIndicators = keyFieldSourceIndicators;
+            this.keyFieldTypes = keyFieldTypes;
+            this.sampleCardinalityTarget = sampleCardinalityTarget;
+            this.sourceCardinality = sourceCardinality;
+            this.sourceAvgItemSize = sourceAvgItemSize;
+            this.sampleSeed = sampleSeed;
+            this.indexesStats = indexesStats;
+        }
+
+        @Override
+        IndexCategory getIndexCategory() {
+            return IndexCategory.SAMPLE;
+        }
+
+        public List<List<String>> getKeyFieldNames() {
+            return keyFieldNames;
+        }
+
+        public List<Integer> getKeyFieldSourceIndicators() {
+            return keyFieldSourceIndicators;
+        }
+
+        public List<IAType> getKeyFieldTypes() {
+            return keyFieldTypes;
+        }
+
+        @Override
+        public boolean isOverridingKeyFieldTypes() {
+            return false;
+        }
+
+        public int getSampleCardinalityTarget() {
+            return sampleCardinalityTarget;
+        }
+
+        public long getSourceCardinality() {
+            return sourceCardinality;
+        }
+
+        public int getSourceAvgItemSize() {
+            return sourceAvgItemSize;
+        }
+
+        public long getSampleSeed() {
+            return sampleSeed;
+        }
+
+        public Map<String, IndexStats> getIndexesStats() {
+            return indexesStats;
+        }
+    }
+
     @Deprecated
     private static Index.IIndexDetails createSimpleIndexDetails(IndexType indexType, List<List<String>> keyFieldNames,
             List<Integer> keyFieldSourceIndicators, List<IAType> keyFieldTypes, boolean overrideKeyFieldTypes,
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
index bb51748..b00a706 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
@@ -25,7 +25,9 @@
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 import org.apache.asterix.builders.IARecordBuilder;
@@ -47,7 +49,9 @@
 import org.apache.asterix.om.base.ABoolean;
 import org.apache.asterix.om.base.ACollectionCursor;
 import org.apache.asterix.om.base.AInt32;
+import org.apache.asterix.om.base.AInt64;
 import org.apache.asterix.om.base.AInt8;
+import org.apache.asterix.om.base.AMutableInt64;
 import org.apache.asterix.om.base.AMutableInt8;
 import org.apache.asterix.om.base.ANull;
 import org.apache.asterix.om.base.AOrderedList;
@@ -66,6 +70,7 @@
 import org.apache.hyracks.algebricks.common.utils.Triple;
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.profiling.IndexStats;
 import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import org.apache.hyracks.util.OptionalBoolean;
@@ -90,6 +95,13 @@
     public static final String INDEX_SEARCHKEY_ELEMENTS_FIELD_NAME = "SearchKeyElements";
     public static final String COMPLEXSEARCHKEY_UNNEST_FIELD_NAME = "UnnestList";
     public static final String COMPLEXSEARCHKEY_PROJECT_FIELD_NAME = "ProjectList";
+    public static final String SAMPLE_SEED = "SampleSeed";
+    public static final String SAMPLE_CARDINALITY_TARGET = "SampleCardinalityTarget";
+    public static final String SOURCE_CARDINALITY = "SourceCardinality";
+    public static final String SOURCE_AVG_ITEM_SIZE = "SourceAvgItemSize";
+    public static final String INDEXES_STATS = "IndexStats";
+    public static final String STATS_NUM_PAGES = "NumPages";
+    public static final String STATS_INDEX_NAME = "IndexName";
 
     protected final TxnId txnId;
     protected final MetadataNode metadataNode;
@@ -100,13 +112,15 @@
     protected OrderedListBuilder complexSearchKeyNameListBuilder;
     protected IARecordBuilder complexSearchKeyNameRecordBuilder;
     protected IARecordBuilder castRecordBuilder;
+    protected OrderedListBuilder indexesStatsListBuilder;
+    protected IARecordBuilder indexStatsRecordBuilder;
     protected AOrderedListType stringList;
     protected AOrderedListType int8List;
     protected ArrayBackedValueStorage nameValue;
     protected ArrayBackedValueStorage itemValue;
     protected AMutableInt8 aInt8;
+    protected AMutableInt64 aInt64;
     protected ISerializerDeserializer<AInt8> int8Serde;
-    protected ISerializerDeserializer<ANull> nullSerde;
 
     @SuppressWarnings("unchecked")
     protected IndexTupleTranslator(TxnId txnId, MetadataNode metadataNode, boolean getTuple) {
@@ -119,14 +133,16 @@
             primaryKeyListBuilder = new OrderedListBuilder();
             complexSearchKeyNameRecordBuilder = new RecordBuilder();
             castRecordBuilder = new RecordBuilder();
+            indexesStatsListBuilder = new OrderedListBuilder();
+            indexStatsRecordBuilder = new RecordBuilder();
             complexSearchKeyNameListBuilder = new OrderedListBuilder();
             stringList = new AOrderedListType(BuiltinType.ASTRING, null);
             int8List = new AOrderedListType(BuiltinType.AINT8, null);
             nameValue = new ArrayBackedValueStorage();
             itemValue = new ArrayBackedValueStorage();
             aInt8 = new AMutableInt8((byte) 0);
+            aInt64 = new AMutableInt64(0);
             int8Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT8);
-            nullSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ANULL);
         }
     }
 
@@ -240,6 +256,9 @@
                     searchElements.add(searchElement);
                 }
                 break;
+            case SAMPLE:
+                searchElements = Collections.emptyList();
+                break;
             default:
                 throw new AsterixException(ErrorCode.METADATA_ERROR, indexType.toString());
         }
@@ -452,6 +471,57 @@
                 }
                 indexDetails = new Index.ArrayIndexDetails(elementList, isOverridingKeyTypes);
                 break;
+            case SAMPLE:
+                keyFieldNames =
+                        searchElements.stream().map(Pair::getSecond).map(l -> l.get(0)).collect(Collectors.toList());
+                keyFieldTypes = searchKeyType.stream().map(l -> l.get(0)).collect(Collectors.toList());
+
+                int sampleSeedPos = indexRecord.getType().getFieldIndex(SAMPLE_SEED);
+                if (sampleSeedPos < 0) {
+                    throw new AsterixException(ErrorCode.METADATA_ERROR, SAMPLE_SEED);
+                }
+                long sampleSeed = ((AInt64) indexRecord.getValueByPos(sampleSeedPos)).getLongValue();
+
+                int sampleCardinalityTargetPos = indexRecord.getType().getFieldIndex(SAMPLE_CARDINALITY_TARGET);
+                if (sampleCardinalityTargetPos < 0) {
+                    throw new AsterixException(ErrorCode.METADATA_ERROR, SAMPLE_CARDINALITY_TARGET);
+                }
+                int sampleCardinalityTarget =
+                        ((AInt32) indexRecord.getValueByPos(sampleCardinalityTargetPos)).getIntegerValue();
+
+                int sourceCardinalityPos = indexRecord.getType().getFieldIndex(SOURCE_CARDINALITY);
+                if (sourceCardinalityPos < 0) {
+                    throw new AsterixException(ErrorCode.METADATA_ERROR, SOURCE_CARDINALITY);
+                }
+                long sourceCardinality = ((AInt64) indexRecord.getValueByPos(sourceCardinalityPos)).getLongValue();
+
+                int sourceAvgItemSizePos = indexRecord.getType().getFieldIndex(SOURCE_AVG_ITEM_SIZE);
+                if (sourceAvgItemSizePos < 0) {
+                    throw new AsterixException(ErrorCode.METADATA_ERROR, SOURCE_AVG_ITEM_SIZE);
+                }
+                int sourceAvgItemSize = ((AInt32) indexRecord.getValueByPos(sourceAvgItemSizePos)).getIntegerValue();
+
+                int indexesStatsPos = indexRecord.getType().getFieldIndex(INDEXES_STATS);
+                Map<String, IndexStats> indexesStats;
+                if (indexesStatsPos >= 0) {
+                    AOrderedList indexesStatsList = (AOrderedList) indexRecord.getValueByPos(indexesStatsPos);
+                    int numIndexes = indexesStatsList.size();
+                    indexesStats = numIndexes > 0 ? new HashMap<>() : Collections.emptyMap();
+                    for (int i = 0; i < numIndexes; i++) {
+                        ARecord stats = (ARecord) indexesStatsList.getItem(i);
+                        IAObject numPages = stats.getValueByPos(stats.getType().getFieldIndex(STATS_NUM_PAGES));
+                        IAObject idxNameObj = stats.getValueByPos(stats.getType().getFieldIndex(STATS_INDEX_NAME));
+                        String idxName = ((AString) idxNameObj).getStringValue();
+                        IndexStats idxStats = new IndexStats(idxName, ((AInt64) numPages).getLongValue());
+                        indexesStats.put(idxName, idxStats);
+                    }
+                } else {
+                    indexesStats = Collections.emptyMap();
+                }
+
+                indexDetails = new Index.SampleIndexDetails(keyFieldNames, keyFieldSourceIndicator, keyFieldTypes,
+                        sampleCardinalityTarget, sourceCardinality, sourceAvgItemSize, sampleSeed, indexesStats);
+                break;
             default:
                 throw new AsterixException(ErrorCode.METADATA_ERROR, indexType.toString());
         }
@@ -527,6 +597,9 @@
                 // If we have a complex index, we persist all of the names in the complex SK name array instead.
                 searchKey = Collections.emptyList();
                 break;
+            case SAMPLE:
+                searchKey = ((Index.SampleIndexDetails) index.getIndexDetails()).getKeyFieldNames();
+                break;
             default:
                 throw new AsterixException(ErrorCode.METADATA_ERROR, indexType.toString());
         }
@@ -596,6 +669,7 @@
         writeSearchKeySourceIndicator(index);
         writeExcludeUnknownKey(index);
         writeCast(index);
+        writeSampleDetails(index);
     }
 
     private void writeComplexSearchKeys(Index.ArrayIndexDetails indexDetails) throws HyracksDataException {
@@ -767,6 +841,9 @@
                 keySourceIndicator = ((Index.ArrayIndexDetails) index.getIndexDetails()).getElementList().stream()
                         .map(Index.ArrayIndexElement::getSourceIndicator).collect(Collectors.toList());
                 break;
+            case SAMPLE:
+                keySourceIndicator = ((Index.SampleIndexDetails) index.getIndexDetails()).getKeyFieldSourceIndicators();
+                break;
             default:
                 throw new AsterixException(ErrorCode.METADATA_ERROR, index.getIndexType().toString());
         }
@@ -855,4 +932,73 @@
             }
         }
     }
+
+    private void writeSampleDetails(Index index) throws HyracksDataException {
+        if (index.getIndexType() == IndexType.SAMPLE) {
+            Index.SampleIndexDetails indexDetails = (Index.SampleIndexDetails) index.getIndexDetails();
+
+            nameValue.reset();
+            fieldValue.reset();
+            aString.setValue(SAMPLE_SEED);
+            stringSerde.serialize(aString, nameValue.getDataOutput());
+            int64Serde.serialize(new AInt64(indexDetails.getSampleSeed()), fieldValue.getDataOutput());
+            recordBuilder.addField(nameValue, fieldValue);
+
+            nameValue.reset();
+            fieldValue.reset();
+            aString.setValue(SAMPLE_CARDINALITY_TARGET);
+            stringSerde.serialize(aString, nameValue.getDataOutput());
+            int32Serde.serialize(new AInt32(indexDetails.getSampleCardinalityTarget()), fieldValue.getDataOutput());
+            recordBuilder.addField(nameValue, fieldValue);
+
+            nameValue.reset();
+            fieldValue.reset();
+            aString.setValue(SOURCE_CARDINALITY);
+            stringSerde.serialize(aString, nameValue.getDataOutput());
+            int64Serde.serialize(new AInt64(indexDetails.getSourceCardinality()), fieldValue.getDataOutput());
+            recordBuilder.addField(nameValue, fieldValue);
+
+            nameValue.reset();
+            fieldValue.reset();
+            aString.setValue(SOURCE_AVG_ITEM_SIZE);
+            stringSerde.serialize(aString, nameValue.getDataOutput());
+            int32Serde.serialize(new AInt32(indexDetails.getSourceAvgItemSize()), fieldValue.getDataOutput());
+            recordBuilder.addField(nameValue, fieldValue);
+
+            Map<String, IndexStats> indexesStats = indexDetails.getIndexesStats();
+            if (!indexesStats.isEmpty()) {
+                indexesStatsListBuilder.reset(AOrderedListType.FULL_OPEN_ORDEREDLIST_TYPE);
+                for (Map.Entry<String, IndexStats> stats : indexesStats.entrySet()) {
+                    indexStatsRecordBuilder.reset(RecordUtil.FULLY_OPEN_RECORD_TYPE);
+                    // index name
+                    nameValue.reset();
+                    itemValue.reset();
+                    aString.setValue(STATS_INDEX_NAME);
+                    stringSerde.serialize(aString, nameValue.getDataOutput());
+                    aString.setValue(stats.getKey());
+                    stringSerde.serialize(aString, itemValue.getDataOutput());
+                    indexStatsRecordBuilder.addField(nameValue, itemValue);
+
+                    // index number of pages
+                    nameValue.reset();
+                    itemValue.reset();
+                    aString.setValue(STATS_NUM_PAGES);
+                    stringSerde.serialize(aString, nameValue.getDataOutput());
+                    aInt64.setValue(stats.getValue().getNumPages());
+                    int64Serde.serialize(aInt64, itemValue.getDataOutput());
+                    indexStatsRecordBuilder.addField(nameValue, itemValue);
+
+                    itemValue.reset();
+                    indexStatsRecordBuilder.write(itemValue.getDataOutput(), true);
+                    indexesStatsListBuilder.addItem(itemValue);
+                }
+                nameValue.reset();
+                fieldValue.reset();
+                aString.setValue(INDEXES_STATS);
+                stringSerde.serialize(aString, nameValue.getDataOutput());
+                indexesStatsListBuilder.write(fieldValue.getDataOutput(), true);
+                recordBuilder.addField(nameValue, fieldValue);
+            }
+        }
+    }
 }
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/feeds/FeedMetadataUtil.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/feeds/FeedMetadataUtil.java
index 92390a7..0ee9516 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/feeds/FeedMetadataUtil.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/feeds/FeedMetadataUtil.java
@@ -30,7 +30,6 @@
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
 import org.apache.asterix.common.exceptions.MetadataException;
-import org.apache.asterix.common.exceptions.NoOpWarningCollector;
 import org.apache.asterix.common.external.IDataSourceAdapter;
 import org.apache.asterix.common.external.IDataSourceAdapter.AdapterType;
 import org.apache.asterix.common.functions.ExternalFunctionLanguage;
@@ -62,6 +61,7 @@
 import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
+import org.apache.hyracks.api.exceptions.NoOpWarningCollector;
 
 /**
  * A utility class for providing helper functions for feeds TODO: Refactor this
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ExternalIndexingOperations.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ExternalIndexingOperations.java
index b899e16..c6eafe0 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ExternalIndexingOperations.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ExternalIndexingOperations.java
@@ -30,7 +30,6 @@
 import org.apache.asterix.common.config.DatasetConfig.ExternalFilePendingOp;
 import org.apache.asterix.common.config.DatasetConfig.TransactionState;
 import org.apache.asterix.common.context.IStorageComponentProvider;
-import org.apache.asterix.common.exceptions.NoOpWarningCollector;
 import org.apache.asterix.external.api.ITypedAdapterFactory;
 import org.apache.asterix.external.indexing.ExternalFile;
 import org.apache.asterix.external.indexing.IndexingConstants;
@@ -64,6 +63,7 @@
 import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.NoOpWarningCollector;
 import org.apache.hyracks.api.exceptions.SourceLocation;
 import org.apache.hyracks.api.job.JobSpecification;
 import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ISecondaryIndexOperationsHelper.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ISecondaryIndexOperationsHelper.java
new file mode 100644
index 0000000..13ff19d
--- /dev/null
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/ISecondaryIndexOperationsHelper.java
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.metadata.utils;
+
+import java.util.Set;
+
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
+
+public interface ISecondaryIndexOperationsHelper {
+
+    void init() throws AlgebricksException;
+
+    JobSpecification buildCreationJobSpec() throws AlgebricksException;
+
+    JobSpecification buildLoadingJobSpec() throws AlgebricksException;
+
+    JobSpecification buildCompactJobSpec() throws AlgebricksException;
+
+    JobSpecification buildDropJobSpec(Set<IndexDropOperatorDescriptor.DropOption> options) throws AlgebricksException;
+
+    IFileSplitProvider getSecondaryFileSplitProvider();
+
+    RecordDescriptor getSecondaryRecDesc();
+
+    IBinaryComparatorFactory[] getSecondaryComparatorFactories();
+
+    AlgebricksPartitionConstraint getSecondaryPartitionConstraint();
+}
\ No newline at end of file
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/IndexUtil.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/IndexUtil.java
index ad92803..7e9cfc3 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/IndexUtil.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/IndexUtil.java
@@ -79,6 +79,8 @@
         } else if (index.getIndexType() == DatasetConfig.IndexType.ARRAY) {
             numSecondaryKeys = ((Index.ArrayIndexDetails) index.getIndexDetails()).getElementList().stream()
                     .map(e -> e.getProjectList().size()).reduce(0, Integer::sum);
+        } else if (index.getIndexType() == DatasetConfig.IndexType.SAMPLE) {
+            return null;
         } else {
             throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE, index.getIndexType().toString());
         }
@@ -111,6 +113,8 @@
             case SINGLE_PARTITION_NGRAM_INVIX:
             case SINGLE_PARTITION_WORD_INVIX:
                 break;
+            case SAMPLE:
+                break;
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE,
                         index.getIndexType().toString());
@@ -120,21 +124,21 @@
 
     public static JobSpecification buildDropIndexJobSpec(Index index, MetadataProvider metadataProvider,
             Dataset dataset, SourceLocation sourceLoc) throws AlgebricksException {
-        SecondaryIndexOperationsHelper secondaryIndexHelper =
+        ISecondaryIndexOperationsHelper secondaryIndexHelper =
                 SecondaryIndexOperationsHelper.createIndexOperationsHelper(dataset, index, metadataProvider, sourceLoc);
         return secondaryIndexHelper.buildDropJobSpec(EnumSet.noneOf(DropOption.class));
     }
 
     public static JobSpecification buildDropIndexJobSpec(Index index, MetadataProvider metadataProvider,
             Dataset dataset, Set<DropOption> options, SourceLocation sourceLoc) throws AlgebricksException {
-        SecondaryIndexOperationsHelper secondaryIndexHelper =
+        ISecondaryIndexOperationsHelper secondaryIndexHelper =
                 SecondaryIndexOperationsHelper.createIndexOperationsHelper(dataset, index, metadataProvider, sourceLoc);
         return secondaryIndexHelper.buildDropJobSpec(options);
     }
 
     public static JobSpecification buildSecondaryIndexCreationJobSpec(Dataset dataset, Index index,
             MetadataProvider metadataProvider, SourceLocation sourceLoc) throws AlgebricksException {
-        SecondaryIndexOperationsHelper secondaryIndexHelper =
+        ISecondaryIndexOperationsHelper secondaryIndexHelper =
                 SecondaryIndexOperationsHelper.createIndexOperationsHelper(dataset, index, metadataProvider, sourceLoc);
         return secondaryIndexHelper.buildCreationJobSpec();
     }
@@ -147,8 +151,8 @@
     public static JobSpecification buildSecondaryIndexLoadingJobSpec(Dataset dataset, Index index,
             MetadataProvider metadataProvider, List<ExternalFile> files, SourceLocation sourceLoc)
             throws AlgebricksException {
-        SecondaryIndexOperationsHelper secondaryIndexHelper;
-        if (dataset.isCorrelated()) {
+        ISecondaryIndexOperationsHelper secondaryIndexHelper;
+        if (dataset.isCorrelated() && supportsCorrelated(index.getIndexType())) { //TODO:REVISIT
             secondaryIndexHelper = SecondaryCorrelatedTreeIndexOperationsHelper.createIndexOperationsHelper(dataset,
                     index, metadataProvider, sourceLoc);
         } else {
@@ -156,14 +160,18 @@
                     metadataProvider, sourceLoc);
         }
         if (files != null) {
-            secondaryIndexHelper.setExternalFiles(files);
+            ((SecondaryIndexOperationsHelper) secondaryIndexHelper).setExternalFiles(files);
         }
         return secondaryIndexHelper.buildLoadingJobSpec();
     }
 
+    private static boolean supportsCorrelated(DatasetConfig.IndexType indexType) {
+        return indexType != DatasetConfig.IndexType.SAMPLE;
+    }
+
     public static JobSpecification buildSecondaryIndexCompactJobSpec(Dataset dataset, Index index,
             MetadataProvider metadataProvider, SourceLocation sourceLoc) throws AlgebricksException {
-        SecondaryIndexOperationsHelper secondaryIndexHelper =
+        ISecondaryIndexOperationsHelper secondaryIndexHelper =
                 SecondaryIndexOperationsHelper.createIndexOperationsHelper(dataset, index, metadataProvider, sourceLoc);
         return secondaryIndexHelper.buildCompactJobSpec();
     }
@@ -240,4 +248,9 @@
     public static boolean excludesUnknowns(Index index) {
         return !includesUnknowns(index);
     }
+
+    public static Pair<String, String> getSampleIndexNames(String datasetName) {
+        return new Pair<>(MetadataConstants.SAMPLE_INDEX_1_PREFIX + datasetName,
+                MetadataConstants.SAMPLE_INDEX_2_PREFIX + datasetName);
+    }
 }
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
index b52cddd..0f0ea40 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataConstants.java
@@ -57,6 +57,11 @@
     public static final String FULL_TEXT_CONFIG_DATASET_NAME = "FullTextConfig";
     public static final String FULL_TEXT_FILTER_DATASET_NAME = "FullTextFilter";
 
+    public static final String PRIMARY_INDEX_PREFIX = "primary_idx_";
+    public static final String SAMPLE_INDEX_PREFIX = "sample_idx_";
+    public static final String SAMPLE_INDEX_1_PREFIX = SAMPLE_INDEX_PREFIX + "1_";
+    public static final String SAMPLE_INDEX_2_PREFIX = SAMPLE_INDEX_PREFIX + "2_";
+
     private MetadataConstants() {
     }
 }
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataLockUtil.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataLockUtil.java
index 7bb11e5..1de387f 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataLockUtil.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/MetadataLockUtil.java
@@ -311,6 +311,20 @@
     }
 
     @Override
+    public void analyzeDatasetBegin(IMetadataLockManager lockMgr, LockList locks, DataverseName dataverseName,
+            String datasetName) throws AlgebricksException {
+        lockMgr.acquireDataverseReadLock(locks, dataverseName);
+        lockMgr.acquireDatasetCreateIndexLock(locks, dataverseName, datasetName);
+    }
+
+    @Override
+    public void analyzeDatasetDropBegin(IMetadataLockManager lockMgr, LockList locks, DataverseName dataverseName,
+            String datasetName) throws AlgebricksException {
+        lockMgr.acquireDataverseReadLock(locks, dataverseName);
+        lockMgr.acquireDatasetWriteLock(locks, dataverseName, datasetName);
+    }
+
+    @Override
     public void compactBegin(IMetadataLockManager lockMgr, LockList locks, DataverseName dataverseName,
             String datasetName) throws AlgebricksException {
         lockMgr.acquireDataverseReadLock(locks, dataverseName);
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SampleOperationsHelper.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SampleOperationsHelper.java
new file mode 100644
index 0000000..056a8c2
--- /dev/null
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SampleOperationsHelper.java
@@ -0,0 +1,360 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.metadata.utils;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.asterix.common.config.OptimizationConfUtil;
+import org.apache.asterix.common.context.IStorageComponentProvider;
+import org.apache.asterix.common.utils.StorageConstants;
+import org.apache.asterix.formats.base.IDataFormat;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.Dataset;
+import org.apache.asterix.metadata.entities.Index;
+import org.apache.asterix.om.base.AInt32;
+import org.apache.asterix.om.constants.AsterixConstantValue;
+import org.apache.asterix.om.functions.IFunctionDescriptor;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.runtime.aggregates.collections.FirstElementEvalFactory;
+import org.apache.asterix.runtime.evaluators.comparisons.GreaterThanDescriptor;
+import org.apache.asterix.runtime.operators.DatasetStreamStatsOperatorDescriptor;
+import org.apache.asterix.runtime.operators.LSMIndexBulkLoadOperatorDescriptor;
+import org.apache.asterix.runtime.runningaggregates.std.SampleSlotRunningAggregateFunctionFactory;
+import org.apache.asterix.runtime.runningaggregates.std.TidRunningAggregateDescriptor;
+import org.apache.asterix.runtime.utils.RuntimeUtils;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.jobgen.impl.ConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
+import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.evaluators.ColumnAccessEvalFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggrun.RunningAggregateRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.SinkRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamProjectRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamSelectRuntimeFactory;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.SourceLocation;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.group.AbstractAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.sort.SortGroupByOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IIndexBuilderFactory;
+import org.apache.hyracks.storage.am.common.build.IndexBuilderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexCreateOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.common.IResourceFactory;
+import org.apache.hyracks.storage.common.IStorageManager;
+
+/**
+ * Utility class for sampling operations.
+ * <p>
+ * The sampling method described in:
+ * "A Convenient Algorithm for Drawing a Simple Random Sample",
+ * by A. I. McLeod and D. R. Bellhouse
+ */
+public class SampleOperationsHelper implements ISecondaryIndexOperationsHelper {
+
+    public static final String DATASET_STATS_OPERATOR_NAME = "Sample.DatasetStats";
+
+    private final MetadataProvider metadataProvider;
+    private final Dataset dataset;
+    private final Index index;
+    private final SourceLocation sourceLoc;
+
+    private ARecordType itemType;
+    private ARecordType metaType;
+    private RecordDescriptor recordDesc;
+    private IBinaryComparatorFactory[] comparatorFactories;
+    private IFileSplitProvider fileSplitProvider;
+    private AlgebricksPartitionConstraint partitionConstraint;
+    private ILSMMergePolicyFactory mergePolicyFactory;
+    private Map<String, String> mergePolicyProperties;
+    private int groupbyNumFrames;
+
+    protected SampleOperationsHelper(Dataset dataset, Index index, MetadataProvider metadataProvider,
+            SourceLocation sourceLoc) {
+        this.dataset = dataset;
+        this.index = index;
+        this.metadataProvider = metadataProvider;
+        this.sourceLoc = sourceLoc;
+    }
+
+    @Override
+    public void init() throws AlgebricksException {
+        itemType =
+                (ARecordType) metadataProvider.findType(dataset.getItemTypeDataverseName(), dataset.getItemTypeName());
+        metaType = DatasetUtil.getMetaType(metadataProvider, dataset);
+        recordDesc = dataset.getPrimaryRecordDescriptor(metadataProvider);
+        comparatorFactories = dataset.getPrimaryComparatorFactories(metadataProvider, itemType, metaType);
+        groupbyNumFrames = getGroupByNumFrames(metadataProvider, sourceLoc);
+
+        Pair<IFileSplitProvider, AlgebricksPartitionConstraint> secondarySplitsAndConstraint =
+                metadataProvider.getSplitProviderAndConstraints(dataset, index.getIndexName());
+        fileSplitProvider = secondarySplitsAndConstraint.first;
+        partitionConstraint = secondarySplitsAndConstraint.second;
+
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo =
+                DatasetUtil.getMergePolicyFactory(dataset, metadataProvider.getMetadataTxnContext());
+        mergePolicyFactory = compactionInfo.first;
+        mergePolicyProperties = compactionInfo.second;
+    }
+
+    @Override
+    public JobSpecification buildCreationJobSpec() throws AlgebricksException {
+        JobSpecification spec = RuntimeUtils.createJobSpecification(metadataProvider.getApplicationContext());
+        IStorageComponentProvider storageComponentProvider = metadataProvider.getStorageComponentProvider();
+        IResourceFactory resourceFactory = dataset.getResourceFactory(metadataProvider, index, itemType, metaType,
+                mergePolicyFactory, mergePolicyProperties);
+        IIndexBuilderFactory indexBuilderFactory = new IndexBuilderFactory(storageComponentProvider.getStorageManager(),
+                fileSplitProvider, resourceFactory, true);
+        IndexCreateOperatorDescriptor indexCreateOp = new IndexCreateOperatorDescriptor(spec, indexBuilderFactory);
+        indexCreateOp.setSourceLocation(sourceLoc);
+        AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, indexCreateOp, partitionConstraint);
+        spec.addRoot(indexCreateOp);
+        spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
+        return spec;
+    }
+
+    @Override
+    public JobSpecification buildLoadingJobSpec() throws AlgebricksException {
+        Index.SampleIndexDetails indexDetails = (Index.SampleIndexDetails) index.getIndexDetails();
+        int sampleCardinalityTarget = indexDetails.getSampleCardinalityTarget();
+        long sampleSeed = indexDetails.getSampleSeed();
+        IDataFormat format = metadataProvider.getDataFormat();
+        int nFields = recordDesc.getFieldCount();
+        int[] columns = new int[nFields];
+        for (int i = 0; i < nFields; i++) {
+            columns[i] = i;
+        }
+        IStorageManager storageMgr = metadataProvider.getStorageComponentProvider().getStorageManager();
+        JobSpecification spec = RuntimeUtils.createJobSpecification(metadataProvider.getApplicationContext());
+        IIndexDataflowHelperFactory dataflowHelperFactory =
+                new IndexDataflowHelperFactory(storageMgr, fileSplitProvider);
+
+        // job spec:
+        IndexUtil.bindJobEventListener(spec, metadataProvider);
+
+        // dummy key provider ----> primary index scan
+        IOperatorDescriptor sourceOp = DatasetUtil.createDummyKeyProviderOp(spec, dataset, metadataProvider);
+        IOperatorDescriptor targetOp = DatasetUtil.createPrimaryIndexScanOp(spec, metadataProvider, dataset);
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // primary index scan ----> stream stats op
+        List<Pair<IFileSplitProvider, String>> indexesInfo = metadataProvider.getSplitProviderOfAllIndexes(dataset);
+        IndexDataflowHelperFactory[] indexes = new IndexDataflowHelperFactory[indexesInfo.size()];
+        String[] names = new String[indexesInfo.size()];
+        for (int i = 0; i < indexes.length; i++) {
+            Pair<IFileSplitProvider, String> indexInfo = indexesInfo.get(i);
+            indexes[i] = new IndexDataflowHelperFactory(storageMgr, indexInfo.first);
+            names[i] = indexInfo.second;
+        }
+        targetOp =
+                new DatasetStreamStatsOperatorDescriptor(spec, recordDesc, DATASET_STATS_OPERATOR_NAME, indexes, names);
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // stream stats op ----> (running agg + select)
+        // ragg produces a slot number and a tuple counter for each tuple
+        // If the slot number is 0 then the tuple is not in the sample and is removed by subsequent select op.
+        // If the slot number is greater than 0 then the tuple is in the sample.
+        // There could be several tuples with the same slot number, the latest one wins
+        // (with the greatest tuple counter). This is accomplished by the group by below
+        BuiltinType raggSlotType = BuiltinType.AINT32;
+        BuiltinType raggCounterType = BuiltinType.AINT64;
+        int[] raggProjectColumns = new int[nFields + 2];
+        raggProjectColumns[0] = nFields;
+        raggProjectColumns[1] = nFields + 1;
+        System.arraycopy(columns, 0, raggProjectColumns, 2, nFields);
+        int[] raggAggColumns = { nFields, nFields + 1 };
+
+        ISerializerDeserializerProvider serdeProvider = format.getSerdeProvider();
+        ISerializerDeserializer[] raggSerdes = new ISerializerDeserializer[nFields + 2];
+        raggSerdes[0] = serdeProvider.getSerializerDeserializer(raggSlotType);
+        raggSerdes[1] = serdeProvider.getSerializerDeserializer(raggCounterType);
+        System.arraycopy(recordDesc.getFields(), 0, raggSerdes, 2, nFields);
+
+        ITypeTraitProvider typeTraitProvider = format.getTypeTraitProvider();
+        ITypeTraits[] raggTraits = new ITypeTraits[nFields + 2];
+        raggTraits[0] = typeTraitProvider.getTypeTrait(raggSlotType);
+        raggTraits[1] = typeTraitProvider.getTypeTrait(raggCounterType);
+        System.arraycopy(recordDesc.getTypeTraits(), 0, raggTraits, 2, nFields);
+
+        RecordDescriptor raggRecordDesc = new RecordDescriptor(raggSerdes, raggTraits);
+
+        IRunningAggregateEvaluatorFactory raggSlotEvalFactory =
+                new SampleSlotRunningAggregateFunctionFactory(sampleCardinalityTarget, sampleSeed);
+        IRunningAggregateEvaluatorFactory raggCounterEvalFactory = TidRunningAggregateDescriptor.FACTORY
+                .createFunctionDescriptor().createRunningAggregateEvaluatorFactory(new IScalarEvaluatorFactory[0]);
+        RunningAggregateRuntimeFactory raggRuntimeFactory =
+                new RunningAggregateRuntimeFactory(raggProjectColumns, raggAggColumns,
+                        new IRunningAggregateEvaluatorFactory[] { raggSlotEvalFactory, raggCounterEvalFactory });
+
+        IFunctionDescriptor gtDescriptor = GreaterThanDescriptor.FACTORY.createFunctionDescriptor();
+        gtDescriptor.setImmutableStates(raggSlotType, raggSlotType);
+        IScalarEvaluatorFactory gtFactory =
+                gtDescriptor.createEvaluatorFactory(new IScalarEvaluatorFactory[] { new ColumnAccessEvalFactory(0),
+                        format.getConstantEvalFactory(new AsterixConstantValue(new AInt32(0))) });
+        StreamSelectRuntimeFactory selectRuntimeFactory = new StreamSelectRuntimeFactory(gtFactory, null,
+                format.getBinaryBooleanInspectorFactory(), false, -1, null);
+
+        targetOp = new AlgebricksMetaOperatorDescriptor(spec, 1, 1,
+                new IPushRuntimeFactory[] { raggRuntimeFactory, selectRuntimeFactory },
+                new RecordDescriptor[] { raggRecordDesc, raggRecordDesc });
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // (running agg + select) ---> group-by
+        int[] groupFields = new int[] { 0 }; // [slot]
+        int[] sortFields = new int[] { 0, 1 }; // [slot, counter]
+        OrderOperator.IOrder sortSlotOrder = OrderOperator.ASC_ORDER;
+        OrderOperator.IOrder sortCounterOrder = OrderOperator.DESC_ORDER;
+        IBinaryComparatorFactoryProvider comparatorFactoryProvider = format.getBinaryComparatorFactoryProvider();
+        IBinaryComparatorFactory[] raggCmpFactories = {
+                comparatorFactoryProvider.getBinaryComparatorFactory(raggSlotType,
+                        sortSlotOrder.getKind() == OrderOperator.IOrder.OrderKind.ASC),
+                comparatorFactoryProvider.getBinaryComparatorFactory(raggCounterType,
+                        sortCounterOrder.getKind() == OrderOperator.IOrder.OrderKind.ASC) };
+
+        INormalizedKeyComputerFactoryProvider normKeyProvider = format.getNormalizedKeyComputerFactoryProvider();
+        INormalizedKeyComputerFactory[] normKeyFactories = {
+                normKeyProvider.getNormalizedKeyComputerFactory(raggSlotType,
+                        sortSlotOrder.getKind() == OrderOperator.IOrder.OrderKind.ASC),
+                normKeyProvider.getNormalizedKeyComputerFactory(raggCounterType,
+                        sortCounterOrder.getKind() == OrderOperator.IOrder.OrderKind.ASC) };
+
+        // agg = [counter, .. original columns ..]
+        IAggregateEvaluatorFactory[] aggFactories = new IAggregateEvaluatorFactory[nFields + 1];
+        for (int i = 0; i < aggFactories.length; i++) {
+            aggFactories[i] = new FirstElementEvalFactory(
+                    new IScalarEvaluatorFactory[] { new ColumnAccessEvalFactory(1 + i) }, false, sourceLoc);
+        }
+        AbstractAggregatorDescriptorFactory aggregatorFactory =
+                new SimpleAlgebricksAccumulatingAggregatorFactory(aggFactories, groupFields);
+
+        targetOp = new SortGroupByOperatorDescriptor(spec, groupbyNumFrames, sortFields, groupFields, normKeyFactories,
+                raggCmpFactories, aggregatorFactory, aggregatorFactory, raggRecordDesc, raggRecordDesc, false);
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // group by --> project (remove ragg fields)
+        int[] projectColumns = new int[nFields];
+        for (int i = 0; i < nFields; i++) {
+            projectColumns[i] = 2 + i;
+        }
+        StreamProjectRuntimeFactory projectRuntimeFactory = new StreamProjectRuntimeFactory(projectColumns);
+        targetOp = new AlgebricksMetaOperatorDescriptor(spec, 1, 1, new IPushRuntimeFactory[] { projectRuntimeFactory },
+                new RecordDescriptor[] { recordDesc });
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // project ---> bulk load op
+        targetOp = createTreeIndexBulkLoadOp(spec, columns, dataflowHelperFactory,
+                StorageConstants.DEFAULT_TREE_FILL_FACTOR, sampleCardinalityTarget);
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+        sourceOp = targetOp;
+
+        // bulk load op ----> sink op
+        SinkRuntimeFactory sinkRuntimeFactory = new SinkRuntimeFactory();
+        sinkRuntimeFactory.setSourceLocation(sourceLoc);
+        targetOp = new AlgebricksMetaOperatorDescriptor(spec, 1, 0, new IPushRuntimeFactory[] { sinkRuntimeFactory },
+                new RecordDescriptor[] { recordDesc });
+        spec.connect(new OneToOneConnectorDescriptor(spec), sourceOp, 0, targetOp, 0);
+
+        spec.addRoot(targetOp);
+        spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
+
+        return spec;
+    }
+
+    protected LSMIndexBulkLoadOperatorDescriptor createTreeIndexBulkLoadOp(JobSpecification spec,
+            int[] fieldPermutation, IIndexDataflowHelperFactory dataflowHelperFactory, float fillFactor,
+            long numElementHint) {
+        LSMIndexBulkLoadOperatorDescriptor treeIndexBulkLoadOp = new LSMIndexBulkLoadOperatorDescriptor(spec,
+                recordDesc, fieldPermutation, fillFactor, false, numElementHint, true, dataflowHelperFactory, null,
+                LSMIndexBulkLoadOperatorDescriptor.BulkLoadUsage.LOAD, dataset.getDatasetId(), null);
+        treeIndexBulkLoadOp.setSourceLocation(sourceLoc);
+        AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, treeIndexBulkLoadOp,
+                partitionConstraint);
+        return treeIndexBulkLoadOp;
+    }
+
+    @Override
+    public JobSpecification buildDropJobSpec(Set<IndexDropOperatorDescriptor.DropOption> options)
+            throws AlgebricksException {
+        return SecondaryTreeIndexOperationsHelper.buildDropJobSpecImpl(dataset, index, options, metadataProvider,
+                sourceLoc);
+    }
+
+    @Override
+    public JobSpecification buildCompactJobSpec() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public IFileSplitProvider getSecondaryFileSplitProvider() {
+        return fileSplitProvider;
+    }
+
+    @Override
+    public RecordDescriptor getSecondaryRecDesc() {
+        return recordDesc;
+    }
+
+    @Override
+    public IBinaryComparatorFactory[] getSecondaryComparatorFactories() {
+        return comparatorFactories;
+    }
+
+    @Override
+    public AlgebricksPartitionConstraint getSecondaryPartitionConstraint() {
+        return partitionConstraint;
+    }
+
+    private static int getGroupByNumFrames(MetadataProvider metadataProvider, SourceLocation sourceLoc)
+            throws AlgebricksException {
+        return OptimizationConfUtil.getGroupByNumFrames(
+                metadataProvider.getApplicationContext().getCompilerProperties(), metadataProvider.getConfig(),
+                sourceLoc);
+    }
+}
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryIndexOperationsHelper.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryIndexOperationsHelper.java
index 9e0d650..694b153 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryIndexOperationsHelper.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryIndexOperationsHelper.java
@@ -91,7 +91,7 @@
 // TODO: We should eventually have a hierarchy of classes that can create all
 // possible index job specs,
 // not just for creation.
-public abstract class SecondaryIndexOperationsHelper {
+public abstract class SecondaryIndexOperationsHelper implements ISecondaryIndexOperationsHelper {
     protected final MetadataProvider metadataProvider;
     protected final Dataset dataset;
     protected final Index index;
@@ -160,10 +160,10 @@
                 metadataProvider.getConfig(), sourceLoc);
     }
 
-    public static SecondaryIndexOperationsHelper createIndexOperationsHelper(Dataset dataset, Index index,
+    public static ISecondaryIndexOperationsHelper createIndexOperationsHelper(Dataset dataset, Index index,
             MetadataProvider metadataProvider, SourceLocation sourceLoc) throws AlgebricksException {
 
-        SecondaryIndexOperationsHelper indexOperationsHelper;
+        ISecondaryIndexOperationsHelper indexOperationsHelper;
         switch (index.getIndexType()) {
             case ARRAY:
                 indexOperationsHelper =
@@ -182,6 +182,9 @@
                 indexOperationsHelper =
                         new SecondaryInvertedIndexOperationsHelper(dataset, index, metadataProvider, sourceLoc);
                 break;
+            case SAMPLE:
+                indexOperationsHelper = new SampleOperationsHelper(dataset, index, metadataProvider, sourceLoc);
+                break;
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_INDEX_TYPE, sourceLoc,
                         index.getIndexType());
@@ -202,7 +205,8 @@
 
     protected abstract int getNumSecondaryKeys();
 
-    protected void init() throws AlgebricksException {
+    @Override
+    public void init() throws AlgebricksException {
         payloadSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(itemType);
         metaSerde =
                 metaType == null ? null : SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(metaType);
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryTreeIndexOperationsHelper.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryTreeIndexOperationsHelper.java
index 0373e32..e8825fc 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryTreeIndexOperationsHelper.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryTreeIndexOperationsHelper.java
@@ -72,13 +72,19 @@
 
     @Override
     public JobSpecification buildDropJobSpec(Set<DropOption> options) throws AlgebricksException {
+        return buildDropJobSpecImpl(dataset, index, options, metadataProvider, sourceLoc);
+    }
+
+    static JobSpecification buildDropJobSpecImpl(Dataset dataset, Index index, Set<DropOption> dropOptions,
+            MetadataProvider metadataProvider, SourceLocation sourceLoc) throws AlgebricksException {
         JobSpecification spec = RuntimeUtils.createJobSpecification(metadataProvider.getApplicationContext());
         Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint =
                 metadataProvider.getSplitProviderAndConstraints(dataset, index.getIndexName());
         IIndexDataflowHelperFactory dataflowHelperFactory = new IndexDataflowHelperFactory(
                 metadataProvider.getStorageComponentProvider().getStorageManager(), splitsAndConstraint.first);
         // The index drop operation should be persistent regardless of temp datasets or permanent dataset.
-        IndexDropOperatorDescriptor btreeDrop = new IndexDropOperatorDescriptor(spec, dataflowHelperFactory, options);
+        IndexDropOperatorDescriptor btreeDrop =
+                new IndexDropOperatorDescriptor(spec, dataflowHelperFactory, dropOptions);
         btreeDrop.setSourceLocation(sourceLoc);
         AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, btreeDrop,
                 splitsAndConstraint.second);
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ABoolean.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ABoolean.java
index 5589205..0664fec 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ABoolean.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ABoolean.java
@@ -50,7 +50,7 @@
 
     @Override
     public String toString() {
-        return Boolean.toString(bVal).toUpperCase();
+        return Boolean.toString(bVal);
     }
 
     @Override
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ARecord.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ARecord.java
index d964079..cb6c5fe 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ARecord.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/base/ARecord.java
@@ -20,6 +20,7 @@
 
 import org.apache.asterix.om.types.ARecordType;
 import org.apache.asterix.om.utils.RecordUtil;
+import org.apache.hyracks.util.JSONUtil;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
@@ -89,7 +90,7 @@
                 if (i > 0) {
                     sb.append(", ");
                 }
-                sb.append(type.getFieldNames()[i]);
+                JSONUtil.quoteAndEscape(sb, type.getFieldNames()[i]);
                 sb.append(": ");
                 sb.append(fields[i]);
             }
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
index 0c9f0dd..4db68c3 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/functions/BuiltinFunctions.java
@@ -1699,6 +1699,9 @@
     public static final FunctionIdentifier DECODE_DATAVERSE_NAME =
             new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "decode-dataverse-name", 1);
 
+    public static final FunctionIdentifier SERIALIZED_SIZE =
+            new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "serialized-size", 1);
+
     static {
         // first, take care of Algebricks builtin functions
         addFunction(IS_MISSING, BooleanOnlyTypeComputer.INSTANCE, true);
@@ -1799,28 +1802,26 @@
         addPrivateFunction(MAKE_FIELD_NAME_HANDLE, AnyTypeComputer.INSTANCE, true);
 
         // cast null type constructors
-        addPrivateFunction(BOOLEAN_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_BOOLEAN, true);
-        addPrivateFunction(INT8_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT8, true);
-        addPrivateFunction(INT16_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT16, true);
-        addPrivateFunction(INT32_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT32, true);
-        addPrivateFunction(INT64_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT64, true);
-        addPrivateFunction(FLOAT_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_FLOAT, true);
-        addPrivateFunction(DOUBLE_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DOUBLE, true);
-        addPrivateFunction(STRING_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_STRING, true);
-        addPrivateFunction(DATE_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DATE, true);
-        addPrivateFunction(DATE_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_DATE, true);
-        addPrivateFunction(TIME_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_TIME, true);
-        addPrivateFunction(TIME_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_TIME, true);
-        addPrivateFunction(DATETIME_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DATE_TIME, true);
-        addPrivateFunction(DATETIME_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_DATE_TIME,
+        addFunction(BOOLEAN_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_BOOLEAN, true);
+        addFunction(INT8_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT8, true);
+        addFunction(INT16_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT16, true);
+        addFunction(INT32_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT32, true);
+        addFunction(INT64_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_INT64, true);
+        addFunction(FLOAT_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_FLOAT, true);
+        addFunction(DOUBLE_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DOUBLE, true);
+        addFunction(STRING_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_STRING, true);
+        addFunction(DATE_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DATE, true);
+        addFunction(DATE_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_DATE, true);
+        addFunction(TIME_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_TIME, true);
+        addFunction(TIME_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_TIME, true);
+        addFunction(DATETIME_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DATE_TIME, true);
+        addFunction(DATETIME_DEFAULT_NULL_CONSTRUCTOR_WITH_FORMAT, NullableTypeComputer.INSTANCE_DATE_TIME, true);
+        addFunction(DURATION_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DURATION, true);
+        addFunction(DAY_TIME_DURATION_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DAY_TIME_DURATION, true);
+        addFunction(YEAR_MONTH_DURATION_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_YEAR_MONTH_DURATION,
                 true);
-        addPrivateFunction(DURATION_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DURATION, true);
-        addPrivateFunction(DAY_TIME_DURATION_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_DAY_TIME_DURATION,
-                true);
-        addPrivateFunction(YEAR_MONTH_DURATION_DEFAULT_NULL_CONSTRUCTOR,
-                NullableTypeComputer.INSTANCE_YEAR_MONTH_DURATION, true);
-        addPrivateFunction(UUID_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_UUID, true);
-        addPrivateFunction(BINARY_BASE64_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_BINARY, true);
+        addFunction(UUID_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_UUID, true);
+        addFunction(BINARY_BASE64_DEFAULT_NULL_CONSTRUCTOR, NullableTypeComputer.INSTANCE_BINARY, true);
 
         addPrivateFunction(NUMERIC_UNARY_MINUS, NumericUnaryTypeComputer.INSTANCE, true);
         addPrivateFunction(NUMERIC_SUBTRACT, NumericAddSubMulDivTypeComputer.INSTANCE_SUB, true);
@@ -2532,6 +2533,7 @@
         addFunction(DECODE_DATAVERSE_NAME, OrderedListOfAStringTypeComputer.INSTANCE_NULLABLE, true);
 
         addPrivateFunction(COLLECTION_TO_SEQUENCE, CollectionToSequenceTypeComputer.INSTANCE, true);
+        addPrivateFunction(SERIALIZED_SIZE, AInt64TypeComputer.INSTANCE, true);
 
         // external lookup
         addPrivateFunction(EXTERNAL_LOOKUP, AnyTypeComputer.INSTANCE, false);
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/collections/FirstElementEvalFactory.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/collections/FirstElementEvalFactory.java
index b787e26..6c5c0c7 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/collections/FirstElementEvalFactory.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/collections/FirstElementEvalFactory.java
@@ -32,14 +32,14 @@
 import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
-class FirstElementEvalFactory implements IAggregateEvaluatorFactory {
+public class FirstElementEvalFactory implements IAggregateEvaluatorFactory {
 
     private static final long serialVersionUID = 1L;
     private final IScalarEvaluatorFactory[] args;
     private final boolean isLocal;
     private final SourceLocation sourceLoc;
 
-    FirstElementEvalFactory(IScalarEvaluatorFactory[] args, boolean isLocal, SourceLocation sourceLoc) {
+    public FirstElementEvalFactory(IScalarEvaluatorFactory[] args, boolean isLocal, SourceLocation sourceLoc) {
         this.args = args;
         this.isLocal = isLocal;
         this.sourceLoc = sourceLoc;
diff --git a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/fuzzyjoin/IntArray.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/common/IntArray.java
similarity index 96%
rename from asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/fuzzyjoin/IntArray.java
rename to asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/common/IntArray.java
index 91fb8b4..627ed89 100644
--- a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/fuzzyjoin/IntArray.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/common/IntArray.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.apache.asterix.fuzzyjoin;
+package org.apache.asterix.runtime.evaluators.common;
 
 import java.util.Arrays;
 
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SerializedSizeDescriptor.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SerializedSizeDescriptor.java
new file mode 100644
index 0000000..2669fd7
--- /dev/null
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SerializedSizeDescriptor.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.runtime.evaluators.functions;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.AInt64;
+import org.apache.asterix.om.base.AMutableInt64;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.IEvaluatorContext;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+public final class SerializedSizeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
+    private static final long serialVersionUID = 1L;
+
+    public static final IFunctionDescriptorFactory FACTORY = SerializedSizeDescriptor::new;
+
+    @Override
+    public IScalarEvaluatorFactory createEvaluatorFactory(IScalarEvaluatorFactory[] args) {
+        return new IScalarEvaluatorFactory() {
+            private static final long serialVersionUID = 1L;
+
+            @Override
+            public IScalarEvaluator createScalarEvaluator(IEvaluatorContext ctx) throws HyracksDataException {
+                return new AbstractScalarEval(sourceLoc, getIdentifier()) {
+                    private final IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);
+                    private final VoidPointable arg0 = VoidPointable.FACTORY.createPointable();
+                    private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
+                    private final DataOutput resultOut = resultStorage.getDataOutput();
+
+                    @SuppressWarnings("unchecked")
+                    private final ISerializerDeserializer<AInt64> int64Serde =
+                            SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
+                    private final AMutableInt64 int64 = new AMutableInt64(0);
+
+                    @Override
+                    public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+                        resultStorage.reset();
+                        eval0.evaluate(tuple, arg0);
+                        int64.setValue(arg0.getLength());
+                        try {
+                            int64Serde.serialize(int64, resultOut);
+                            result.set(resultStorage);
+                        } catch (IOException e) {
+                            throw HyracksDataException.create(e);
+                        }
+                    }
+                };
+            }
+        };
+    }
+
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return BuiltinFunctions.SERIALIZED_SIZE;
+    }
+}
diff --git a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
similarity index 99%
rename from asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
rename to asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
index 5a01007..4e69b43 100644
--- a/asterixdb/asterix-fuzzyjoin/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
@@ -31,7 +31,6 @@
 import org.apache.asterix.dataflow.data.nontagged.serde.APolygonSerializerDeserializer;
 import org.apache.asterix.dataflow.data.nontagged.serde.ARectangleSerializerDeserializer;
 import org.apache.asterix.formats.nontagged.BinaryComparatorFactoryProvider;
-import org.apache.asterix.fuzzyjoin.IntArray;
 import org.apache.asterix.om.base.ABoolean;
 import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
@@ -39,6 +38,7 @@
 import org.apache.asterix.om.types.EnumDeserializer;
 import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import org.apache.asterix.runtime.evaluators.common.DoubleArray;
+import org.apache.asterix.runtime.evaluators.common.IntArray;
 import org.apache.asterix.runtime.evaluators.common.SpatialUtils;
 import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
 import org.apache.asterix.runtime.exceptions.TypeMismatchException;
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionCollection.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionCollection.java
index 35993cf..4b418b6 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionCollection.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/functions/FunctionCollection.java
@@ -446,10 +446,12 @@
 import org.apache.asterix.runtime.evaluators.functions.RandomDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.RandomWithSeedDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.ReferenceTileDescriptor;
+import org.apache.asterix.runtime.evaluators.functions.SerializedSizeDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SleepDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SpatialAreaDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SpatialCellDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.SpatialDistanceDescriptor;
+import org.apache.asterix.runtime.evaluators.functions.SpatialIntersectDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.StringConcatDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.StringContainsDescriptor;
 import org.apache.asterix.runtime.evaluators.functions.StringEndsWithDescriptor;
@@ -1169,6 +1171,7 @@
         fc.add(LineRectanglePolygonAccessor.FACTORY);
         fc.add(ReferenceTileDescriptor.FACTORY);
         fc.add(GetIntersectionDescriptor.FACTORY);
+        fc.add(SpatialIntersectDescriptor.FACTORY);
 
         // full-text function
         fc.add(FullTextContainsFunctionDescriptor.FACTORY);
@@ -1315,6 +1318,7 @@
         // Other functions
         fc.add(DecodeDataverseNameDescriptor.FACTORY);
         fc.add(RandomWithSeedDescriptor.FACTORY);
+        fc.add(SerializedSizeDescriptor.FACTORY);
 
         ServiceLoader.load(IFunctionRegistrant.class).iterator().forEachRemaining(c -> c.register(fc));
         return fc;
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStats.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStats.java
new file mode 100644
index 0000000..8ea267a
--- /dev/null
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStats.java
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.runtime.operators;
+
+import java.util.Map;
+
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
+import org.apache.hyracks.api.job.profiling.IndexStats;
+
+/**
+ * Helper method to access stats produced by {@link DatasetStreamStatsOperatorDescriptor}
+ */
+public final class DatasetStreamStats {
+
+    private final long cardinality;
+
+    private final int avgTupleSize;
+
+    private final Map<String, IndexStats> indexesStats;
+
+    public DatasetStreamStats(IOperatorStats opStats) {
+        this.cardinality = opStats.getTupleCounter().get();
+        long totalTupleSize = opStats.getDiskIoCounter().get();
+        this.avgTupleSize = cardinality > 0 ? (int) (totalTupleSize / cardinality) : 0;
+        this.indexesStats = opStats.getIndexesStats();
+    }
+
+    static void update(IOperatorStats opStats, long tupleCount, long tupleSize, Map<String, IndexStats> indexStats) {
+        opStats.getTupleCounter().update(tupleCount);
+        opStats.getDiskIoCounter().update(tupleSize);
+        opStats.updateIndexesStats(indexStats);
+    }
+
+    public long getCardinality() {
+        return cardinality;
+    }
+
+    public int getAvgTupleSize() {
+        return avgTupleSize;
+    }
+
+    public Map<String, IndexStats> getIndexesStats() {
+        return indexesStats;
+    }
+}
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStatsOperatorDescriptor.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStatsOperatorDescriptor.java
new file mode 100644
index 0000000..ba29450
--- /dev/null
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/operators/DatasetStreamStatsOperatorDescriptor.java
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.runtime.operators;
+
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.hyracks.api.application.INCServiceContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
+import org.apache.hyracks.api.job.profiling.IStatsCollector;
+import org.apache.hyracks.api.job.profiling.IndexStats;
+import org.apache.hyracks.api.job.profiling.OperatorStats;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.AbstractLSMWithBloomFilterDiskComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMDiskComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+
+/**
+ * Computes total tuple count and total tuple length for all input tuples,
+ * and emits these values as operator stats.
+ */
+public final class DatasetStreamStatsOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
+
+    private static final long serialVersionUID = 1L;
+
+    private final String operatorName;
+    private final IIndexDataflowHelperFactory[] indexes;
+    private final String[] indexesNames;
+    private Map<String, IndexStats> indexStats;
+
+    public DatasetStreamStatsOperatorDescriptor(IOperatorDescriptorRegistry spec, RecordDescriptor rDesc,
+            String operatorName, IIndexDataflowHelperFactory[] indexes, String[] indexesNames) {
+        super(spec, 1, 1);
+        outRecDescs[0] = rDesc;
+        this.operatorName = operatorName;
+        this.indexes = indexes;
+        this.indexesNames = indexesNames;
+    }
+
+    @Override
+    public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx,
+            IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) throws HyracksDataException {
+
+        return new AbstractUnaryInputUnaryOutputOperatorNodePushable() {
+
+            private FrameTupleAccessor fta;
+            private long totalTupleCount;
+            private long totalTupleLength;
+
+            @Override
+            public void open() throws HyracksDataException {
+                fta = new FrameTupleAccessor(outRecDescs[0]);
+                totalTupleCount = 0;
+                writer.open();
+                IStatsCollector coll = ctx.getStatsCollector();
+                if (coll != null) {
+                    coll.add(new OperatorStats(operatorName));
+                }
+                INCServiceContext serviceCtx = ctx.getJobletContext().getServiceContext();
+                indexStats = new HashMap<>();
+                for (int i = 0; i < indexes.length; i++) {
+                    IIndexDataflowHelper idxFlowHelper = indexes[i].create(serviceCtx, partition);
+                    try {
+                        idxFlowHelper.open();
+                        ILSMIndex indexInstance = (ILSMIndex) idxFlowHelper.getIndexInstance();
+                        long numPages = 0;
+                        synchronized (indexInstance.getOperationTracker()) {
+                            for (ILSMDiskComponent component : indexInstance.getDiskComponents()) {
+                                long componentSize = component.getComponentSize();
+                                if (component instanceof AbstractLSMWithBloomFilterDiskComponent) {
+                                    componentSize -= ((AbstractLSMWithBloomFilterDiskComponent) component)
+                                            .getBloomFilter().getFileReference().getFile().length();
+                                }
+                                numPages += componentSize / indexInstance.getBufferCache().getPageSize();
+                            }
+                        }
+                        indexStats.put(indexesNames[i], new IndexStats(indexesNames[i], numPages));
+                    } finally {
+                        idxFlowHelper.close();
+                    }
+                }
+            }
+
+            @Override
+            public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
+                fta.reset(buffer);
+                computeStats();
+                FrameUtils.flushFrame(buffer, writer);
+            }
+
+            private void computeStats() {
+                int n = fta.getTupleCount();
+                totalTupleCount += n;
+                for (int i = 0; i < n; i++) {
+                    totalTupleLength += fta.getTupleLength(i);
+                }
+            }
+
+            @Override
+            public void fail() throws HyracksDataException {
+                writer.fail();
+            }
+
+            @Override
+            public void close() throws HyracksDataException {
+                IStatsCollector statsCollector = ctx.getStatsCollector();
+                if (statsCollector != null) {
+                    IOperatorStats stats = statsCollector.getOrAddOperatorStats(operatorName);
+                    DatasetStreamStats.update(stats, totalTupleCount, totalTupleLength, indexStats);
+                }
+                writer.close();
+            }
+
+            @Override
+            public void flush() throws HyracksDataException {
+                writer.flush();
+            }
+
+            @Override
+            public String getDisplayName() {
+                return operatorName;
+            }
+        };
+    }
+}
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/SampleSlotRunningAggregateFunctionFactory.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/SampleSlotRunningAggregateFunctionFactory.java
new file mode 100644
index 0000000..a4bda44
--- /dev/null
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/SampleSlotRunningAggregateFunctionFactory.java
@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.runtime.runningaggregates.std;
+
+import java.io.DataOutput;
+import java.io.IOException;
+import java.util.Random;
+
+import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
+import org.apache.asterix.om.base.AInt32;
+import org.apache.asterix.om.base.AMutableInt32;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.hyracks.algebricks.runtime.base.IEvaluatorContext;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+
+/**
+ * See {@code SampleOperationsHelper} for the sampling algorithm details.
+ */
+public class SampleSlotRunningAggregateFunctionFactory implements IRunningAggregateEvaluatorFactory {
+
+    private static final long serialVersionUID = 2L;
+
+    private final int sampleCardinalityTarget;
+
+    private final long sampleSeed;
+
+    public SampleSlotRunningAggregateFunctionFactory(int sampleCardinalityTarget, long sampleSeed) {
+        this.sampleCardinalityTarget = sampleCardinalityTarget;
+        this.sampleSeed = sampleSeed;
+    }
+
+    @Override
+    public IRunningAggregateEvaluator createRunningAggregateEvaluator(IEvaluatorContext ctx)
+            throws HyracksDataException {
+
+        int sampleCardinalityTargetPerPartition = getSampleCardinalityTargetPerPartition(sampleCardinalityTarget,
+                ctx.getTaskContext().getPartitionCount());
+
+        return new IRunningAggregateEvaluator() {
+
+            private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
+            private final DataOutput resultOutput = resultStorage.getDataOutput();
+            @SuppressWarnings("unchecked")
+            private final ISerializerDeserializer<AInt32> int32Serde =
+                    SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
+            private final AMutableInt32 aInt32 = new AMutableInt32(0);
+
+            private final Random rnd = new Random(sampleSeed);
+            private long counter;
+
+            @Override
+            public void init() {
+                counter = 0;
+            }
+
+            @Override
+            public void step(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
+                try {
+                    counter++;
+                    int outValue = evaluate();
+
+                    resultStorage.reset();
+                    aInt32.setValue(outValue);
+                    int32Serde.serialize(aInt32, resultOutput);
+                    result.set(resultStorage);
+                } catch (IOException e) {
+                    throw HyracksDataException.create(e);
+                }
+            }
+
+            private int evaluate() {
+                if (counter <= sampleCardinalityTargetPerPartition) {
+                    return (int) counter;
+                } else {
+                    long v = 1 + (long) (rnd.nextDouble() * counter);
+                    return v <= sampleCardinalityTargetPerPartition ? (int) v : 0;
+                }
+            }
+        };
+    }
+
+    private static int getSampleCardinalityTargetPerPartition(int sampleCardinalityTarget, int nPartitions) {
+        return Math.max(1, sampleCardinalityTarget / nPartitions + Math.min(sampleCardinalityTarget % nPartitions, 1));
+    }
+}
diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/TidRunningAggregateDescriptor.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/TidRunningAggregateDescriptor.java
index 95de235..c39db40 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/TidRunningAggregateDescriptor.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/runningaggregates/std/TidRunningAggregateDescriptor.java
@@ -48,8 +48,7 @@
 
             @SuppressWarnings("unchecked")
             @Override
-            public IRunningAggregateEvaluator createRunningAggregateEvaluator(IEvaluatorContext ctx)
-                    throws HyracksDataException {
+            public IRunningAggregateEvaluator createRunningAggregateEvaluator(IEvaluatorContext ctx) {
 
                 return new IRunningAggregateEvaluator() {
 
@@ -57,7 +56,7 @@
                     private final ISerializerDeserializer<AInt64> serde =
                             SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
                     private final AMutableInt64 m = new AMutableInt64(0);
-                    private int cnt;
+                    private long cnt;
 
                     @Override
                     public void step(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
@@ -69,7 +68,7 @@
                     }
 
                     @Override
-                    public void init() throws HyracksDataException {
+                    public void init() {
                         cnt = 1;
                     }
                 };
diff --git a/asterixdb/asterix-server/src/test/resources/NCServiceExecutionIT/cc.conf b/asterixdb/asterix-server/src/test/resources/NCServiceExecutionIT/cc.conf
index 1c6d574..2523b6f 100644
--- a/asterixdb/asterix-server/src/test/resources/NCServiceExecutionIT/cc.conf
+++ b/asterixdb/asterix-server/src/test/resources/NCServiceExecutionIT/cc.conf
@@ -46,5 +46,7 @@
 heartbeat.max.misses=25
 
 [common]
+compiler.cbo=false
+compiler.cbotest=true
 log.dir = ../asterix-server/target/NCServiceExecutionIT
 log.level = INFO
\ No newline at end of file
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
index fbe9dbc..f557d7a 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
@@ -59,6 +59,11 @@
     </dependency>
     <dependency>
       <groupId>org.apache.hyracks</groupId>
+      <artifactId>algebricks-runtime</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-api</artifactId>
       <version>${project.version}</version>
     </dependency>
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
index c22d54d..3a2fe3b 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
@@ -19,6 +19,8 @@
 package org.apache.hyracks.algebricks.compiler.api;
 
 import java.util.List;
+import java.util.function.Function;
+import java.util.function.Supplier;
 
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
@@ -32,7 +34,9 @@
 import org.apache.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
 import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
 import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
 import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
 import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
 import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
@@ -40,6 +44,7 @@
 import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
 import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
 import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
 import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
 import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
 import org.apache.hyracks.algebricks.data.IUnnestingPositionWriterFactory;
@@ -49,8 +54,9 @@
 
 public abstract class AbstractCompilerFactoryBuilder {
 
-    protected List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> logicalRewrites;
-    protected List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> physicalRewrites;
+    protected Supplier<List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> logicalRewrites;
+    protected Function<IRuleSetKind, List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> logicalRewritesByKind;
+    protected Supplier<List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> physicalRewrites;
     protected ITypeTraitProvider typeTraitProvider;
     protected ISerializerDeserializerProvider serializerDeserializerProvider;
     protected IBinaryHashFunctionFactoryProvider hashFunctionFactoryProvider;
@@ -59,6 +65,8 @@
     protected IBinaryBooleanInspectorFactory binaryBooleanInspectorFactory;
     protected IBinaryIntegerInspectorFactory binaryIntegerInspectorFactory;
     protected IPrinterFactoryProvider printerProvider;
+    protected IAWriterFactory writerFactory;
+    protected IResultSerializerFactoryProvider resultSerializerFactoryProvider;
     protected IPredicateEvaluatorFactoryProvider predEvaluatorFactoryProvider;
     protected IExpressionRuntimeProvider expressionRuntimeProvider;
     protected IExpressionTypeComputer expressionTypeComputer;
@@ -78,11 +86,18 @@
 
     public abstract ICompilerFactory create();
 
-    public void setLogicalRewrites(List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> logicalRewrites) {
+    public void setLogicalRewrites(
+            Supplier<List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> logicalRewrites) {
         this.logicalRewrites = logicalRewrites;
     }
 
-    public void setPhysicalRewrites(List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> physicalRewrites) {
+    public void setLogicalRewritesByKind(
+            Function<IRuleSetKind, List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> logicalRewritesByKind) {
+        this.logicalRewritesByKind = logicalRewritesByKind;
+    }
+
+    public void setPhysicalRewrites(
+            Supplier<List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>> physicalRewrites) {
         this.physicalRewrites = physicalRewrites;
     }
 
@@ -158,6 +173,22 @@
         return printerProvider;
     }
 
+    public void setWriterFactory(IAWriterFactory writerFactory) {
+        this.writerFactory = writerFactory;
+    }
+
+    public IAWriterFactory getWriterFactory() {
+        return writerFactory;
+    }
+
+    public void setResultSerializerFactoryProvider(IResultSerializerFactoryProvider resultSerializerFactoryProvider) {
+        this.resultSerializerFactoryProvider = resultSerializerFactoryProvider;
+    }
+
+    public IResultSerializerFactoryProvider getResultSerializerFactoryProvider() {
+        return resultSerializerFactoryProvider;
+    }
+
     public void setExpressionRuntimeProvider(IExpressionRuntimeProvider expressionRuntimeProvider) {
         this.expressionRuntimeProvider = expressionRuntimeProvider;
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
index 891980f..e35a539 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
@@ -18,8 +18,11 @@
  */
 package org.apache.hyracks.algebricks.compiler.api;
 
+import java.util.List;
+
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
 import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IConflictingTypeResolver;
@@ -33,10 +36,15 @@
 import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
 import org.apache.hyracks.algebricks.core.jobgen.impl.PlanCompiler;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
 import org.apache.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext;
 import org.apache.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.runtime.writers.SerializedDataWriterFactory;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
 import org.apache.hyracks.api.job.IJobletEventListenerFactory;
 import org.apache.hyracks.api.job.JobSpecification;
@@ -58,14 +66,19 @@
                 IConflictingTypeResolver conflictingTypeResolver, PhysicalOptimizationConfig physicalOptimizationConfig,
                 AlgebricksPartitionConstraint clusterLocations, IWarningCollector warningCollector) {
             IPlanPrettyPrinter prettyPrinter = PlanPrettyPrinter.createStringPlanPrettyPrinter();
-            return new AlgebricksOptimizationContext(varCounter, expressionEvalSizeComputer,
+            return new AlgebricksOptimizationContext(this, varCounter, expressionEvalSizeComputer,
                     mergeAggregationExpressionFactory, expressionTypeComputer, missableTypeComputer,
                     conflictingTypeResolver, physicalOptimizationConfig, clusterLocations, prettyPrinter,
                     warningCollector);
         }
+
+        @Override
+        public IOptimizationContext cloneOptimizationContext(IOptimizationContext oc) {
+            return new AlgebricksOptimizationContext((AlgebricksOptimizationContext) oc);
+        }
     }
 
-    private IOptimizationContextFactory optCtxFactory;
+    private final IOptimizationContextFactory optCtxFactory;
 
     public HeuristicCompilerFactoryBuilder() {
         this.optCtxFactory = DefaultOptimizationContextFactory.INSTANCE;
@@ -77,42 +90,85 @@
 
     @Override
     public ICompilerFactory create() {
-        return new ICompilerFactory() {
-            @Override
-            public ICompiler createCompiler(final ILogicalPlan plan, final IMetadataProvider<?, ?> metadata,
-                    int varCounter) {
-                final IOptimizationContext oc = optCtxFactory.createOptimizationContext(varCounter,
-                        expressionEvalSizeComputer, mergeAggregationExpressionFactory, expressionTypeComputer,
-                        missableTypeComputer, conflictingTypeResolver, physicalOptimizationConfig, clusterLocations,
-                        warningCollector);
-                oc.setMetadataDeclarations(metadata);
-                final HeuristicOptimizer opt = new HeuristicOptimizer(plan, logicalRewrites, physicalRewrites, oc);
-                return new ICompiler() {
-
-                    @Override
-                    public void optimize() throws AlgebricksException {
-                        opt.optimize();
-                    }
-
-                    @Override
-                    public JobSpecification createJob(Object appContext,
-                            IJobletEventListenerFactory jobEventListenerFactory) throws AlgebricksException {
-                        AlgebricksConfig.ALGEBRICKS_LOGGER.trace("Starting Job Generation.\n");
-                        JobGenContext context = new JobGenContext(null, metadata, appContext,
-                                serializerDeserializerProvider, hashFunctionFactoryProvider, hashFunctionFamilyProvider,
-                                comparatorFactoryProvider, typeTraitProvider, binaryBooleanInspectorFactory,
-                                binaryIntegerInspectorFactory, printerProvider, missingWriterFactory, nullWriterFactory,
-                                unnestingPositionWriterFactory, normalizedKeyComputerFactoryProvider,
-                                expressionRuntimeProvider, expressionTypeComputer, oc, expressionEvalSizeComputer,
-                                partialAggregationTypeComputer, predEvaluatorFactoryProvider,
-                                physicalOptimizationConfig.getFrameSize(), clusterLocations, warningCollector,
-                                maxWarnings, physicalOptimizationConfig);
-                        PlanCompiler pc = new PlanCompiler(context);
-                        return pc.compilePlan(plan, jobEventListenerFactory);
-                    }
-                };
-            }
-        };
+        return new CompilerFactoryImpl();
     }
 
+    private class CompilerFactoryImpl implements ICompilerFactory {
+        @Override
+        public ICompiler createCompiler(ILogicalPlan plan, IMetadataProvider<?, ?> metadata, int varCounter) {
+            IOptimizationContext optContext =
+                    optCtxFactory.createOptimizationContext(varCounter, expressionEvalSizeComputer,
+                            mergeAggregationExpressionFactory, expressionTypeComputer, missableTypeComputer,
+                            conflictingTypeResolver, physicalOptimizationConfig, clusterLocations, warningCollector);
+            optContext.setMetadataDeclarations(metadata);
+            optContext.setCompilerFactory(this);
+            return new CompilerImpl(this, plan, optContext, logicalRewrites.get(), physicalRewrites.get(),
+                    writerFactory);
+        }
+
+        @Override
+        public ICompiler createCompiler(ILogicalPlan plan, IOptimizationContext newOptContext,
+                IRuleSetKind ruleSetKind) {
+            if (newOptContext.getCompilerFactory() != this) {
+                throw new IllegalStateException();
+            }
+            return new CompilerImpl(this, plan, newOptContext, logicalRewritesByKind.apply(ruleSetKind),
+                    physicalRewrites.get(), SerializedDataWriterFactory.WITHOUT_RECORD_DESCRIPTOR);
+        }
+
+        private PlanCompiler createPlanCompiler(IOptimizationContext oc, Object appContext,
+                IAWriterFactory writerFactory) {
+            JobGenContext context = new JobGenContext(null, oc.getMetadataProvider(), appContext,
+                    serializerDeserializerProvider, hashFunctionFactoryProvider, hashFunctionFamilyProvider,
+                    comparatorFactoryProvider, typeTraitProvider, binaryBooleanInspectorFactory,
+                    binaryIntegerInspectorFactory, printerProvider, writerFactory, resultSerializerFactoryProvider,
+                    missingWriterFactory, nullWriterFactory, unnestingPositionWriterFactory,
+                    normalizedKeyComputerFactoryProvider, expressionRuntimeProvider, expressionTypeComputer, oc,
+                    expressionEvalSizeComputer, partialAggregationTypeComputer, predEvaluatorFactoryProvider,
+                    physicalOptimizationConfig.getFrameSize(), clusterLocations, warningCollector, maxWarnings,
+                    physicalOptimizationConfig);
+            return new PlanCompiler(context);
+        }
+    }
+
+    private static class CompilerImpl implements ICompiler {
+
+        private final CompilerFactoryImpl factory;
+
+        private final ILogicalPlan plan;
+
+        private final IOptimizationContext oc;
+
+        private final List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> logicalRewrites;
+
+        private final List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> physicalRewrites;
+
+        private final IAWriterFactory writerFactory;
+
+        private CompilerImpl(CompilerFactoryImpl factory, ILogicalPlan plan, IOptimizationContext oc,
+                List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> logicalRewrites,
+                List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> physicalRewrites,
+                IAWriterFactory writerFactory) {
+            this.factory = factory;
+            this.plan = plan;
+            this.oc = oc;
+            this.logicalRewrites = logicalRewrites;
+            this.physicalRewrites = physicalRewrites;
+            this.writerFactory = writerFactory;
+        }
+
+        @Override
+        public void optimize() throws AlgebricksException {
+            HeuristicOptimizer opt = new HeuristicOptimizer(plan, logicalRewrites, physicalRewrites, oc);
+            opt.optimize();
+        }
+
+        @Override
+        public JobSpecification createJob(Object appContext, IJobletEventListenerFactory jobEventListenerFactory)
+                throws AlgebricksException {
+            AlgebricksConfig.ALGEBRICKS_LOGGER.trace("Starting Job Generation.\n");
+            PlanCompiler pc = factory.createPlanCompiler(oc, appContext, writerFactory);
+            return pc.compilePlan(plan, jobEventListenerFactory);
+        }
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
index 7c138ea..07a8034 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
@@ -19,8 +19,12 @@
 package org.apache.hyracks.algebricks.compiler.api;
 
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.rewriter.base.IRuleSetKind;
 
 public interface ICompilerFactory {
     ICompiler createCompiler(ILogicalPlan plan, IMetadataProvider<?, ?> metadata, int varCounter);
+
+    ICompiler createCompiler(ILogicalPlan plan, IOptimizationContext newOptContext, IRuleSetKind ruleSetKind);
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
index 7f2d3c8..3982171 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
@@ -32,10 +32,18 @@
         return counter;
     }
 
+    public int getAndInc() {
+        return counter++;
+    }
+
     public void inc() {
         ++counter;
     }
 
+    public int incAndGet() {
+        return ++counter;
+    }
+
     public void set(int newStart) {
         counter = newStart;
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
index aac660a..1e4a388 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
@@ -41,32 +41,27 @@
     // constraints (e.g., FDs, equivalences)
 
     /**
-     * @param fds
-     *            Output argument: functional dependencies that can be inferred
-     *            from this expression.
-     * @param equivClasses
-     *            Output argument: Equivalence classes that can be inferred from
-     *            this expression.
+     * @param fds          Output argument: functional dependencies that can be inferred
+     *                     from this expression.
+     * @param equivClasses Output argument: Equivalence classes that can be inferred from
+     *                     this expression.
      */
     public void getConstraintsAndEquivClasses(Collection<FunctionalDependency> fds,
             Map<LogicalVariable, EquivalenceClass> equivClasses);
 
     /**
-     * @param fds
-     *            Output argument: functional dependencies that can be inferred
-     *            from this expression.
-     * @param outerVars
-     *            Input argument: variables coming from outer branch(es), e.g.,
-     *            the left branch of a left outer join.
+     * @param fds       Output argument: functional dependencies that can be inferred
+     *                  from this expression.
+     * @param outerVars Input argument: variables coming from outer branch(es), e.g.,
+     *                  the left branch of a left outer join.
      */
     public void getConstraintsForOuterJoin(Collection<FunctionalDependency> fds, Collection<LogicalVariable> outerVars);
 
     /**
-     * @param conjs
-     *            Output argument: a list of expression whose conjunction, in
-     *            any order, can replace the current expression.
+     * @param conjs Output argument: a list of expression whose conjunction, in
+     *              any order, can replace the current expression.
      * @return true if the expression can be broken in at least two conjuncts,
-     *         false otherwise.
+     * false otherwise.
      */
     public boolean splitIntoConjuncts(List<Mutable<ILogicalExpression>> conjs);
 
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
index 166ab9a..69ec210 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
@@ -33,6 +33,7 @@
 import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
 import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
 import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
 
@@ -93,4 +94,10 @@
     public PlanStructureVerifier getPlanStructureVerifier();
 
     public PlanStabilityVerifier getPlanStabilityVerifier();
+
+    void setCompilerFactory(Object factory);
+
+    Object getCompilerFactory();
+
+    IOptimizationContextFactory getOptimizationContextFactory();
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
index cbe0882..3b44a97 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
@@ -29,4 +29,10 @@
     // Integer
     public static final String MAX_NUMBER_FRAMES = "MAX_NUMBER_FRAMES"; // -->
     // Integer
+    public static final String OP_INPUT_CARDINALITY = "INPUT_CARDINALITY";
+    public static final String OP_OUTPUT_CARDINALITY = "OUTPUT_CARDINALITY";
+    public static final String OP_COST_TOTAL = "TOTAL_COST";
+    public static final String OP_COST_LOCAL = "OP_COST";
+    public static final String OP_LEFT_EXCHANGE_COST = "LEFT_EXCHANGE_COST";
+    public static final String OP_RIGHT_EXCHANGE_COST = "RIGHT_EXCHANGE_COST";
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
index 79b9e2c..f1b5093 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
@@ -38,13 +38,37 @@
         }
     }
 
-    private final BroadcastSide side;
+    private String name;
+    private BroadcastSide side;
+
+    public BroadcastExpressionAnnotation(String name) {
+        this.name = validateName(name);
+        this.side = null;
+    }
 
     public BroadcastExpressionAnnotation(BroadcastSide side) {
+        this.name = null;
         this.side = Objects.requireNonNull(side);
     }
 
+    public String getName() {
+        return name;
+    }
+
     public BroadcastSide getBroadcastSide() {
         return side;
     }
+
+    public void setBroadcastSide(BroadcastSide side) {
+        this.name = null;
+        this.side = Objects.requireNonNull(side);
+    }
+
+    private String validateName(String name) {
+        String n = Objects.requireNonNull(name);
+        if (n.isBlank()) {
+            throw new IllegalArgumentException("BroadcastExpressionAnnotation:" + name + "cannot be blank");
+        }
+        return n;
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
index e2a68da..cecbaf7 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
@@ -16,6 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.Collection;
@@ -55,7 +56,7 @@
 
         @Override
         public String toString() {
-            return "TRUE";
+            return "true";
         }
 
         @Override
@@ -92,7 +93,7 @@
 
         @Override
         public String toString() {
-            return "FALSE";
+            return "false";
         }
 
         @Override
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/HashJoinExpressionAnnotation.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/HashJoinExpressionAnnotation.java
new file mode 100644
index 0000000..88d9dd5
--- /dev/null
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/HashJoinExpressionAnnotation.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.hyracks.algebricks.core.algebra.expressions;
+
+import java.util.Objects;
+
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class HashJoinExpressionAnnotation implements IExpressionAnnotation {
+
+    public enum BuildOrProbe {
+        BUILD,
+        PROBE
+    }
+
+    public enum BuildSide {
+        LEFT,
+        RIGHT
+    }
+
+    private BuildOrProbe buildOrProbe;
+    private String name;
+    private BuildSide side;
+
+    public HashJoinExpressionAnnotation(Pair<BuildOrProbe, String> pair) {
+        this.buildOrProbe = Objects.requireNonNull(pair.getFirst());
+        this.name = validateName(pair.getSecond());
+        this.side = null;
+    }
+
+    public HashJoinExpressionAnnotation(BuildSide side) {
+        this.buildOrProbe = null;
+        this.name = null;
+        this.side = Objects.requireNonNull(side);
+    }
+
+    public BuildOrProbe getBuildOrProbe() {
+        return buildOrProbe;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public BuildSide getBuildSide() {
+        return side;
+    }
+
+    public void setBuildSide(BuildSide side) {
+        this.buildOrProbe = null;
+        this.name = null;
+        this.side = Objects.requireNonNull(side);
+    }
+
+    private String validateName(String name) {
+        String n = Objects.requireNonNull(name);
+        if (n.isBlank()) {
+            throw new IllegalArgumentException("HashJoinExpressionAnnotation:" + name + "cannot be blank");
+        }
+        return n;
+    }
+}
\ No newline at end of file
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/JoinProductivityAnnotation.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/JoinProductivityAnnotation.java
new file mode 100644
index 0000000..0191b85
--- /dev/null
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/JoinProductivityAnnotation.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.hyracks.algebricks.core.algebra.expressions;
+
+public class JoinProductivityAnnotation implements IExpressionAnnotation {
+
+    private final double productivity;
+    private final String leftSideDataSet;
+
+    public JoinProductivityAnnotation(double productivity, String leftSideDataSet) {
+        this.productivity = productivity;
+        this.leftSideDataSet = leftSideDataSet;
+    }
+
+    public double getJoinProductivity() {
+        return productivity;
+    }
+
+    public String getLeftSideDataSet() {
+        return leftSideDataSet;
+    }
+}
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/PredicateCardinalityAnnotation.java
similarity index 68%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/PredicateCardinalityAnnotation.java
index 6095b26..e172449 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/PredicateCardinalityAnnotation.java
@@ -17,8 +17,17 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-select value v from range(1,2) v where v > ?;
+public class PredicateCardinalityAnnotation implements IExpressionAnnotation {
+
+    private final double selectivity;
+
+    public PredicateCardinalityAnnotation(double selectivity) {
+        this.selectivity = selectivity;
+    }
+
+    public double getSelectivity() {
+        return selectivity;
+    }
+}
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
index 77fdd74..d350789 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
@@ -31,7 +31,9 @@
 import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
 import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
 import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
 import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
 import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
 import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
@@ -56,11 +58,12 @@
             IProjectionInfo<?> projectionInfo) throws AlgebricksException;
 
     public Pair<IPushRuntimeFactory, AlgebricksPartitionConstraint> getWriteFileRuntime(IDataSink sink,
-            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc)
-            throws AlgebricksException;
+            int[] printColumns, IPrinterFactory[] printerFactories, IAWriterFactory writerFactory,
+            RecordDescriptor inputDesc) throws AlgebricksException;
 
     public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
-            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc,
+            int[] printColumns, IPrinterFactory[] printerFactories, IAWriterFactory writerFactory,
+            IResultSerializerFactoryProvider resultSerializerFactoryProvider, RecordDescriptor inputDesc,
             IResultMetadata metadata, JobSpecification spec) throws AlgebricksException;
 
     public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getWriteResultRuntime(IDataSource<S> dataSource,
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
index 7d262a8..12a0572 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
@@ -35,4 +35,8 @@
     public IDataSource<?> getDataSource() {
         return dataSource;
     }
+
+    public void setDataSource(IDataSource<?> datasource) {
+        this.dataSource = datasource;
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/BroadcastSideSwitchingVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/BroadcastSideSwitchingVisitor.java
index aa0f642..d8a8348 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/BroadcastSideSwitchingVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/BroadcastSideSwitchingVisitor.java
@@ -70,7 +70,7 @@
             }
         }
         BroadcastExpressionAnnotation bcastAnn = expr.removeAnnotation(BroadcastExpressionAnnotation.class);
-        if (bcastAnn != null) {
+        if (bcastAnn != null && bcastAnn.getBroadcastSide() != null) {
             BroadcastExpressionAnnotation.BroadcastSide oppositeSide =
                     BroadcastExpressionAnnotation.BroadcastSide.getOppositeSide(bcastAnn.getBroadcastSide());
             expr.putAnnotation(new BroadcastExpressionAnnotation(oppositeSide));
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
index e4df397..b446075 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
@@ -249,8 +249,8 @@
             return Boolean.FALSE;
         }
         OrderOperator orderOpArg = (OrderOperator) copyAndSubstituteVar(op, arg);
-        boolean isomorphic = compareIOrderAndExpressions(op.getOrderExpressions(), orderOpArg.getOrderExpressions());
-        return isomorphic;
+        return op.getTopK() == orderOpArg.getTopK()
+                && compareIOrderAndExpressions(op.getOrderExpressions(), orderOpArg.getOrderExpressions());
     }
 
     @Override
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
index 138cff8..1f7c16c 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
@@ -102,8 +102,9 @@
         IPrinterFactory[] pf =
                 JobGenHelper.mkPrinterFactories(inputSchemas[0], context.getTypeEnvironment(op), context, columns);
 
-        Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> runtimeAndConstraints = mp.getResultHandleRuntime(
-                resultOp.getDataSink(), columns, pf, inputDesc, resultOp.getResultMetadata(), spec);
+        Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> runtimeAndConstraints =
+                mp.getResultHandleRuntime(resultOp.getDataSink(), columns, pf, context.getWriterFactory(),
+                        context.getResultSerializerFactoryProvider(), inputDesc, resultOp.getResultMetadata(), spec);
         IOperatorDescriptor opDesc = runtimeAndConstraints.first;
         opDesc.setSourceLocation(resultOp.getSourceLocation());
         builder.contributeHyracksOperator(resultOp, opDesc);
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedLoopJoinPOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedLoopJoinPOperator.java
index 6c5c8d0..cae5137 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedLoopJoinPOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedLoopJoinPOperator.java
@@ -75,16 +75,18 @@
         }
 
         IPartitioningProperty pp;
-
         AbstractLogicalOperator op = (AbstractLogicalOperator) iop;
 
+        // the partitioning property of the nested loop join is the same as the left branch.
+        // it cannot be the same as the right branch (BROADCAST) because the final joined data is not replicated at
+        // all partitions, and hence the final joined data is not BROADCAST.
         if (op.getExecutionMode() == AbstractLogicalOperator.ExecutionMode.PARTITIONED) {
-            AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(1).getValue();
-            IPhysicalPropertiesVector pv1 = op2.getPhysicalOperator().getDeliveredProperties();
-            if (pv1 == null) {
+            AbstractLogicalOperator leftOp = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
+            IPhysicalPropertiesVector leftOpProperties = leftOp.getPhysicalOperator().getDeliveredProperties();
+            if (leftOpProperties == null) {
                 pp = null;
             } else {
-                pp = pv1.getPartitioningProperty();
+                pp = leftOpProperties.getPartitioningProperty();
             }
         } else {
             pp = IPartitioningProperty.UNPARTITIONED;
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
index 3521a27..07c798f 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
@@ -101,7 +101,7 @@
         IMetadataProvider<?, ?> mp = context.getMetadataProvider();
 
         Pair<IPushRuntimeFactory, AlgebricksPartitionConstraint> runtimeAndConstraints =
-                mp.getWriteFileRuntime(write.getDataSink(), columns, pf, inputDesc);
+                mp.getWriteFileRuntime(write.getDataSink(), columns, pf, context.getWriterFactory(), inputDesc);
         IPushRuntimeFactory runtime = runtimeAndConstraints.first;
         runtime.setSourceLocation(write.getSourceLocation());
 
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
index b5b01a0..1bf2579 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
@@ -53,7 +53,7 @@
     }
 
     public static String prettyPrintPlan(ILogicalPlan plan) throws AlgebricksException {
-        return PlanPrettyPrinter.createStringPlanPrettyPrinter().printPlan(plan).toString();
+        return PlanPrettyPrinter.createStringPlanPrettyPrinter().printPlan(plan, true).toString();
     }
 
     @Override
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanStabilityVerifier.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanStabilityVerifier.java
index 65aa64a..d6ffe9e 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanStabilityVerifier.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanStabilityVerifier.java
@@ -263,7 +263,7 @@
 
     static String printOperator(ILogicalOperator op, IPlanPrettyPrinter printer) {
         try {
-            return printer.reset().printOperator((AbstractLogicalOperator) op, false).toString();
+            return printer.reset().printOperator((AbstractLogicalOperator) op, false, false).toString();
         } catch (AlgebricksException e) {
             // shouldn't happen
             return op.toString();
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/IPlanPrettyPrinter.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/IPlanPrettyPrinter.java
index faf4976..66d48d3 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/IPlanPrettyPrinter.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/IPlanPrettyPrinter.java
@@ -30,17 +30,18 @@
 
     /** Prints the plan rooted at the operator argument. */
     default IPlanPrettyPrinter printOperator(AbstractLogicalOperator operator) throws AlgebricksException {
-        return printOperator(operator, true);
+        return printOperator(operator, true, false);
     }
 
     /** Prints given operator and optionally it's inputs */
-    IPlanPrettyPrinter printOperator(AbstractLogicalOperator operator, boolean printInputs) throws AlgebricksException;
+    IPlanPrettyPrinter printOperator(AbstractLogicalOperator operator, boolean printInputs,
+            boolean printOptimizerEstimates) throws AlgebricksException;
 
     /** Prints given expression */
     IPlanPrettyPrinter printExpression(ILogicalExpression expression) throws AlgebricksException;
 
     /** Prints the whole logical plan. */
-    IPlanPrettyPrinter printPlan(ILogicalPlan plan) throws AlgebricksException;
+    IPlanPrettyPrinter printPlan(ILogicalPlan plan, boolean printOptimizerEstimates) throws AlgebricksException;
 
     /** Resets the state of the pretty printer. */
     IPlanPrettyPrinter reset() throws AlgebricksException;
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
index 64abaee..710e6e0 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
@@ -90,14 +90,15 @@
     }
 
     @Override
-    public final IPlanPrettyPrinter printPlan(ILogicalPlan plan) throws AlgebricksException {
+    public final IPlanPrettyPrinter printPlan(ILogicalPlan plan, boolean printOptimizerEstimates)
+            throws AlgebricksException {
         printPlanImpl(plan, 0);
         return this;
     }
 
     @Override
-    public final IPlanPrettyPrinter printOperator(AbstractLogicalOperator op, boolean printInputs)
-            throws AlgebricksException {
+    public final IPlanPrettyPrinter printOperator(AbstractLogicalOperator op, boolean printInputs,
+            boolean printOptimizerEstimates) throws AlgebricksException {
         printOperatorImpl(op, 0, printInputs);
         return this;
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
index 2728e46..64a5e1a 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
@@ -33,9 +33,13 @@
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
 import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IAlgebricksConstantValue;
 import org.apache.hyracks.algebricks.core.algebra.metadata.IProjectionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractUnnestMapOperator;
@@ -96,6 +100,7 @@
     private static final String EXPRESSION_FIELD = "expression";
     private static final String CONDITION_FIELD = "condition";
     private static final String MISSING_VALUE_FIELD = "missing-value";
+    private static final String OP_CARDINALITY = "cardinality";
 
     private final Map<AbstractLogicalOperator, String> operatorIdentity = new HashMap<>();
     private final IdCounter idCounter = new IdCounter();
@@ -138,8 +143,7 @@
                 stringPrefix = stringPrefix.isEmpty() ? val.toString() : stringPrefix + "." + val.toString();
             }
             if (!operatorIdentity.containsKey(op)) {
-                String opId = stringPrefix.isEmpty() ? "" + Integer.toString(++id)
-                        : stringPrefix + "." + Integer.toString(++id);
+                String opId = stringPrefix.isEmpty() ? "" + (++id) : stringPrefix + "." + (++id);
                 operatorIdentity.put(op, opId);
             }
             return operatorIdentity.get(op);
@@ -155,28 +159,30 @@
     }
 
     @Override
-    public final IPlanPrettyPrinter printPlan(ILogicalPlan plan) throws AlgebricksException {
-        printPlanImpl(plan);
+    public final IPlanPrettyPrinter printPlan(ILogicalPlan plan, boolean printOptimizerEstimates)
+            throws AlgebricksException {
+        printPlanImpl(plan, printOptimizerEstimates);
         flushContentToWriter();
         return this;
     }
 
     @Override
-    public final IPlanPrettyPrinter printOperator(AbstractLogicalOperator op, boolean printInputs)
-            throws AlgebricksException {
-        printOperatorImpl(op, printInputs);
+
+    public final IPlanPrettyPrinter printOperator(AbstractLogicalOperator op, boolean printInputs,
+            boolean printOptimizerEstimates) throws AlgebricksException {
+        printOperatorImpl(op, printInputs, printOptimizerEstimates);
         flushContentToWriter();
         return this;
     }
 
-    private void printPlanImpl(ILogicalPlan plan) throws AlgebricksException {
+    private void printPlanImpl(ILogicalPlan plan, boolean printOptimizerEstimates) throws AlgebricksException {
         try {
             boolean writeArrayOfRoots = plan.getRoots().size() > 1;
             if (writeArrayOfRoots) {
                 jsonGenerator.writeStartArray();
             }
             for (Mutable<ILogicalOperator> root : plan.getRoots()) {
-                printOperatorImpl((AbstractLogicalOperator) root.getValue(), true);
+                printOperatorImpl((AbstractLogicalOperator) root.getValue(), true, printOptimizerEstimates);
             }
             if (writeArrayOfRoots) {
                 jsonGenerator.writeEndArray();
@@ -186,8 +192,11 @@
         }
     }
 
-    private void printOperatorImpl(AbstractLogicalOperator op, boolean printInputs) throws AlgebricksException {
+    private void printOperatorImpl(AbstractLogicalOperator op, boolean printInputs, boolean printOptimizerEstimates)
+            throws AlgebricksException {
         try {
+            boolean nestPlanInPlanField = nestPlanInPlanField(op, printOptimizerEstimates);
+
             jsonGenerator.writeStartObject();
             op.accept(this, null);
             jsonGenerator.writeStringField("operatorId", idCounter.printOperatorId(op));
@@ -196,14 +205,99 @@
                 jsonGenerator.writeStringField("physical-operator", pOp.toString(false));
             }
             jsonGenerator.writeStringField("execution-mode", op.getExecutionMode().toString());
-            if (printInputs && !op.getInputs().isEmpty()) {
-                jsonGenerator.writeArrayFieldStart("inputs");
-                for (Mutable<ILogicalOperator> k : op.getInputs()) {
-                    printOperatorImpl((AbstractLogicalOperator) k.getValue(), printInputs);
-                }
-                jsonGenerator.writeEndArray();
+
+            generateCardCostFields(op);
+
+            List<Mutable<ILogicalOperator>> inputs = op.getInputs();
+            if (printInputs && !inputs.isEmpty()) {
+                printInputs(op, inputs, printOptimizerEstimates);
             }
             jsonGenerator.writeEndObject();
+            if (nestPlanInPlanField) {
+                jsonGenerator.writeEndObject();
+            }
+        } catch (IOException e) {
+            throw AlgebricksException.create(ErrorCode.ERROR_PRINTING_PLAN, e, String.valueOf(e));
+        }
+    }
+
+    private void printInputs(AbstractLogicalOperator op, List<Mutable<ILogicalOperator>> inputs,
+            boolean printOptimizerEstimates) throws IOException, AlgebricksException {
+        jsonGenerator.writeArrayFieldStart("inputs");
+        if (printInputsInReverse(op)) {
+            for (int i = inputs.size() - 1; i >= 0; i--) {
+                Mutable<ILogicalOperator> inOp = inputs.get(i);
+                printOperatorImpl((AbstractLogicalOperator) inOp.getValue(), true, printOptimizerEstimates);
+            }
+        } else {
+            for (Mutable<ILogicalOperator> inOp : inputs) {
+                printOperatorImpl((AbstractLogicalOperator) inOp.getValue(), true, printOptimizerEstimates);
+            }
+        }
+        jsonGenerator.writeEndArray();
+    }
+
+    private boolean nestPlanInPlanField(AbstractLogicalOperator op, boolean printOptimizerEstimates)
+            throws IOException {
+        if (op.getOperatorTag() == LogicalOperatorTag.DISTRIBUTE_RESULT && printOptimizerEstimates) {
+            double cardinality = 0.0;
+            double cost = 0.0;
+            for (Map.Entry<String, Object> anno : op.getAnnotations().entrySet()) {
+                if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_OUTPUT_CARDINALITY)) {
+                    cardinality = (double) anno.getValue();
+                } else if (anno.getValue() != null && anno.getKey().equals(OperatorAnnotations.OP_COST_TOTAL)) {
+                    cost = (double) anno.getValue();
+                }
+            }
+
+            jsonGenerator.writeStartObject();
+            jsonGenerator.writeNumberField("cardinality", cardinality);
+            jsonGenerator.writeNumberField("cost", cost);
+            jsonGenerator.writeFieldName("plan");
+            return true;
+        }
+        return false;
+    }
+
+    private void generateCardCostFields(AbstractLogicalOperator op) throws AlgebricksException {
+        try {
+            double opCard = 0.0;
+            double opCostLocal = 0.0;
+            double opCostTotal = 0.0;
+
+            for (Map.Entry<String, Object> anno : op.getAnnotations().entrySet()) {
+                Object annotationVal = anno.getValue();
+                if (annotationVal != null) {
+                    String annotation = anno.getKey();
+                    switch (annotation) {
+                        case OperatorAnnotations.OP_COST_LOCAL:
+                            opCostLocal = (double) annotationVal;
+                            break;
+                        case OperatorAnnotations.OP_COST_TOTAL:
+                            opCostTotal = (double) annotationVal;
+                            break;
+                        case OperatorAnnotations.OP_INPUT_CARDINALITY:
+                            if (op.getOperatorTag() == LogicalOperatorTag.DATASOURCESCAN) {
+                                opCard = (double) annotationVal;
+                            }
+                            break;
+                        case OperatorAnnotations.OP_OUTPUT_CARDINALITY:
+                            if (op.getOperatorTag() != LogicalOperatorTag.DATASOURCESCAN) {
+                                opCard = (double) annotationVal;
+                            }
+                            break;
+                        default:
+                            break;
+                    }
+                }
+            }
+            jsonGenerator.writeObjectFieldStart("optimizer-estimates");
+            jsonGenerator.writeNumberField(OP_CARDINALITY, opCard);
+            jsonGenerator.writeNumberField(OperatorAnnotations.OP_COST_LOCAL.toLowerCase().replace('_', '-'),
+                    opCostLocal);
+            jsonGenerator.writeNumberField(OperatorAnnotations.OP_COST_TOTAL.toLowerCase().replace('_', '-'),
+                    opCostTotal);
+            jsonGenerator.writeEndObject();
         } catch (IOException e) {
             throw AlgebricksException.create(ErrorCode.ERROR_PRINTING_PLAN, e, String.valueOf(e));
         }
@@ -292,6 +386,7 @@
         try {
             jsonGenerator.writeStringField(OPERATOR_FIELD, "join");
             writeStringFieldExpression(CONDITION_FIELD, op.getCondition(), indent);
+            writeBuildSide(op);
             return null;
         } catch (IOException e) {
             throw AlgebricksException.create(ErrorCode.ERROR_PRINTING_PLAN, e, String.valueOf(e));
@@ -306,6 +401,7 @@
             if (op.getMissingValue().isNull()) {
                 writeNullField(MISSING_VALUE_FIELD);
             }
+            writeBuildSide(op);
             return null;
         } catch (IOException e) {
             throw AlgebricksException.create(ErrorCode.ERROR_PRINTING_PLAN, e, String.valueOf(e));
@@ -767,7 +863,7 @@
             jsonGenerator.writeArrayFieldStart("subplan");
             List<ILogicalPlan> nestedPlans = op.getNestedPlans();
             for (int i = 0, size = nestedPlans.size(); i < size; i++) {
-                printPlanImpl(nestedPlans.get(i));
+                printPlanImpl(nestedPlans.get(i), false);
             }
             jsonGenerator.writeEndArray();
             idCounter.previousPrefix();
@@ -857,6 +953,22 @@
         }
     }
 
+    private void writeBuildSide(AbstractBinaryJoinOperator op) throws IOException {
+        if (isHashJoin(op)) {
+            jsonGenerator.writeNumberField("build-side", 0);
+        }
+    }
+
+    private static boolean printInputsInReverse(AbstractLogicalOperator op) {
+        return isHashJoin(op);
+    }
+
+    private static boolean isHashJoin(AbstractLogicalOperator op) {
+        IPhysicalOperator pOp = op.getPhysicalOperator();
+        return pOp != null && (pOp.getOperatorTag() == PhysicalOperatorTag.IN_MEMORY_HASH_JOIN
+                || pOp.getOperatorTag() == PhysicalOperatorTag.HYBRID_HASH_JOIN);
+    }
+
     private String getIndexOpString(Kind opKind) {
         switch (opKind) {
             case DELETE:
@@ -884,13 +996,17 @@
 
     /////////////// string fields ///////////////
 
-    /** Writes "fieldName": "expr" */
+    /**
+     * Writes "fieldName": "expr"
+     */
     private void writeStringFieldExpression(String fieldName, Mutable<ILogicalExpression> expressionRef, Void indent)
             throws AlgebricksException, IOException {
         writeStringFieldExpression(fieldName, expressionRef.getValue(), indent);
     }
 
-    /** Writes "fieldName": "expr" */
+    /**
+     * Writes "fieldName": "expr"
+     */
     private void writeStringFieldExpression(String fieldName, ILogicalExpression expression, Void indent)
             throws AlgebricksException, IOException {
         jsonGenerator.writeStringField(fieldName, expression.accept(exprVisitor, indent));
@@ -898,7 +1014,9 @@
 
     /////////////// array fields ///////////////
 
-    /** Writes "fieldName": [ "var1", "var2", ... ] */
+    /**
+     * Writes "fieldName": [ "var1", "var2", ... ]
+     */
     private void writeArrayFieldOfVariables(String fieldName, List<LogicalVariable> variables) throws IOException {
         jsonGenerator.writeArrayFieldStart(fieldName);
         for (int i = 0, size = variables.size(); i < size; i++) {
@@ -907,7 +1025,9 @@
         jsonGenerator.writeEndArray();
     }
 
-    /** Writes "fieldName": [ ["var1", "var2", ...], ["var1", "var2", ...] ] */
+    /**
+     * Writes "fieldName": [ ["var1", "var2", ...], ["var1", "var2", ...] ]
+     */
     private void writeArrayFieldOfNestedVariablesList(String fieldName, List<List<LogicalVariable>> nestedVarList)
             throws IOException {
         jsonGenerator.writeArrayFieldStart(fieldName);
@@ -920,7 +1040,9 @@
         jsonGenerator.writeEndArray();
     }
 
-    /** Writes "fieldName" : [ "expr" ] */
+    /**
+     * Writes "fieldName" : [ "expr" ]
+     */
     private void writeArrayFieldOfExpression(String fieldName, Mutable<ILogicalExpression> expr, Void indent)
             throws IOException, AlgebricksException {
         jsonGenerator.writeArrayFieldStart(fieldName);
@@ -928,7 +1050,9 @@
         jsonGenerator.writeEndArray();
     }
 
-    /** Writes "fieldName" : [ "expr1", "expr2", ...] */
+    /**
+     * Writes "fieldName" : [ "expr1", "expr2", ...]
+     */
     private void writeArrayFieldOfExpressions(String fieldName, List<Mutable<ILogicalExpression>> exprs, Void indent)
             throws IOException, AlgebricksException {
         jsonGenerator.writeArrayFieldStart(fieldName);
@@ -938,7 +1062,9 @@
         jsonGenerator.writeEndArray();
     }
 
-    /** Writes "fieldName" : [ { "variable": "var1", "expression": "expr1" }, ... ] */
+    /**
+     * Writes "fieldName" : [ { "variable": "var1", "expression": "expr1" }, ... ]
+     */
     private void writeArrayFieldOfVariableExpressionPairs(String fieldName,
             List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> varExprPairs, Void indent)
             throws AlgebricksException, IOException {
@@ -954,7 +1080,9 @@
         jsonGenerator.writeEndArray();
     }
 
-    /** Writes "fieldName" : [ { "order": "", "expression": "" }, ... ] */
+    /**
+     * Writes "fieldName" : [ { "order": "", "expression": "" }, ... ]
+     */
     private void writeArrayFieldOfOrderExprList(String fieldName,
             List<Pair<OrderOperator.IOrder, Mutable<ILogicalExpression>>> orderList, Void indent)
             throws AlgebricksException, IOException {
@@ -970,7 +1098,9 @@
 
     /////////////// object fields ///////////////
 
-    /** Writes "fieldName" : { "expressions": [ "expr1", "expr2", ...] } */
+    /**
+     * Writes "fieldName" : { "expressions": [ "expr1", "expr2", ...] }
+     */
     private void writeObjectFieldWithExpressions(String fieldName, List<Mutable<ILogicalExpression>> exprs, Void indent)
             throws IOException, AlgebricksException {
         jsonGenerator.writeObjectFieldStart(fieldName);
@@ -980,7 +1110,9 @@
 
     /////////////// other fields ///////////////
 
-    /** Writes "fieldName": null */
+    /**
+     * Writes "fieldName": null
+     */
     private void writeNullField(String fieldName) throws IOException {
         jsonGenerator.writeNullField(fieldName);
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
index 26be09c..3e8a95f 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
@@ -37,8 +37,10 @@
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
 import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
@@ -305,10 +307,8 @@
     /**
      * Compute type environment of a newly generated operator {@code op} and its input.
      *
-     * @param op,
-     *            the logical operator.
-     * @param context,the
-     *            optimization context.
+     * @param op,         the logical operator.
+     * @param context,the optimization context.
      * @throws AlgebricksException
      */
     public static void computeTypeEnvironmentBottomUp(ILogicalOperator op, ITypingContext context)
@@ -330,10 +330,8 @@
     /**
      * Computes the type environment for a logical query plan.
      *
-     * @param plan,
-     *            the logical plan to consider.
-     * @param context
-     *            the typing context.
+     * @param plan,   the logical plan to consider.
+     * @param context the typing context.
      * @throws AlgebricksException
      */
     public static void computeTypeEnvironment(ILogicalPlan plan, ITypingContext context) throws AlgebricksException {
@@ -402,8 +400,8 @@
     /**
      * Find an item a given list
      *
-     * @param list list to search in
-     * @param predicate predicate to test
+     * @param list           list to search in
+     * @param predicate      predicate to test
      * @param predicateParam parameter to pass to the predicate
      * @return item position in the given list or {@code -1} if not found
      */
@@ -445,9 +443,10 @@
     /**
      * Finds a variable assigned to a given expression and returns a new {@link VariableReferenceExpression}
      * referring to this variable.
-     * @param assignVarList list of variables
+     *
+     * @param assignVarList  list of variables
      * @param assignExprList list of expressions assigned to those variables
-     * @param searchExpr expression to search for
+     * @param searchExpr     expression to search for
      * @return said value, {@code null} if a variable is not found
      */
     public static VariableReferenceExpression findAssignedVariable(List<LogicalVariable> assignVarList,
@@ -509,4 +508,18 @@
             outVarRefList.add(new MutableObject<>(varRef));
         }
     }
+
+    public static void replaceVarWithExpr(AbstractFunctionCallExpression inExpr, LogicalVariable var,
+            ILogicalExpression replacementExpr) {
+        for (Mutable<ILogicalExpression> arg : inExpr.getArguments()) {
+            if (arg.getValue().getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
+                replaceVarWithExpr((AbstractFunctionCallExpression) (arg.getValue()), var, replacementExpr);
+            } else if (arg.getValue().getExpressionTag() == LogicalExpressionTag.VARIABLE) {
+                LogicalVariable v = ((VariableReferenceExpression) arg.getValue()).getVariableReference();
+                if (v.equals(var)) {
+                    arg.setValue(replacementExpr.cloneExpression());
+                }
+            }
+        }
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
index 86c6066..e53322c 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
@@ -35,6 +35,13 @@
     public static final boolean SUBPLAN_NESTEDPUSHDOWN_DEFAULT = true;
     public static final boolean MIN_MEMORY_ALLOCATION_DEFAULT = true;
     public static final boolean ARRAY_INDEX_DEFAULT = true;
+    public static final boolean CBO_DEFAULT = true;
+    public static final boolean CBO_TEST_DEFAULT = false;
+    public static final boolean FORCE_JOIN_ORDER_DEFAULT = false;
+    public static final String QUERY_PLAN_SHAPE_ZIGZAG = "zigzag";
+    public static final String QUERY_PLAN_SHAPE_LEFTDEEP = "leftdeep";
+    public static final String QUERY_PLAN_SHAPE_RIGHTDEEP = "rightdeep";
+    public static final String QUERY_PLAN_SHAPE_DEFAULT = QUERY_PLAN_SHAPE_ZIGZAG;
     public static final int EXTERNAL_SCAN_BUFFER_SIZE =
             StorageUtil.getIntSizeInBytes(8, StorageUtil.StorageUnit.KILOBYTE);
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
index 7c7d5a8..471380c 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
@@ -35,6 +35,7 @@
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
 import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
 import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
 import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
 import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
 import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
@@ -42,6 +43,7 @@
 import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
 import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
 import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
 import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
 import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
 import org.apache.hyracks.algebricks.data.IUnnestingPositionWriterFactory;
@@ -57,6 +59,8 @@
     private final IBinaryHashFunctionFamilyProvider hashFunctionFamilyProvider;
     private final IBinaryComparatorFactoryProvider comparatorFactoryProvider;
     private final IPrinterFactoryProvider printerFactoryProvider;
+    private final IAWriterFactory writerFactory;
+    private final IResultSerializerFactoryProvider resultSerializerFactoryProvider;
     private final ITypeTraitProvider typeTraitProvider;
     private final IMetadataProvider<?, ?> metadataProvider;
     private final IMissingWriterFactory missingWriterFactory;
@@ -86,6 +90,7 @@
             IBinaryComparatorFactoryProvider comparatorFactoryProvider, ITypeTraitProvider typeTraitProvider,
             IBinaryBooleanInspectorFactory booleanInspectorFactory,
             IBinaryIntegerInspectorFactory integerInspectorFactory, IPrinterFactoryProvider printerFactoryProvider,
+            IAWriterFactory writerFactory, IResultSerializerFactoryProvider resultSerializerFactoryProvider,
             IMissingWriterFactory missingWriterFactory, IMissingWriterFactory nullWriterFactory,
             IUnnestingPositionWriterFactory unnestingPositionWriterFactory,
             INormalizedKeyComputerFactoryProvider normalizedKeyComputerFactoryProvider,
@@ -106,6 +111,8 @@
         this.booleanInspectorFactory = booleanInspectorFactory;
         this.integerInspectorFactory = integerInspectorFactory;
         this.printerFactoryProvider = printerFactoryProvider;
+        this.writerFactory = writerFactory;
+        this.resultSerializerFactoryProvider = resultSerializerFactoryProvider;
         this.clusterLocations = clusterLocations;
         this.normalizedKeyComputerFactoryProvider = normalizedKeyComputerFactoryProvider;
         this.missingWriterFactory = missingWriterFactory;
@@ -172,6 +179,14 @@
         return printerFactoryProvider;
     }
 
+    public IAWriterFactory getWriterFactory() {
+        return writerFactory;
+    }
+
+    public IResultSerializerFactoryProvider getResultSerializerFactoryProvider() {
+        return resultSerializerFactoryProvider;
+    }
+
     public IPredicateEvaluatorFactoryProvider getPredicateEvaluatorFactoryProvider() {
         return predEvaluatorFactoryProvider;
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
index d1fd247..bee842c 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
@@ -46,45 +46,29 @@
 import org.apache.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
 import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
+import org.apache.hyracks.api.exceptions.NoOpWarningCollector;
 
 /**
  * The Algebricks default implementation for IOptimizationContext.
  */
-@SuppressWarnings({ "unchecked", "rawtypes" })
+@SuppressWarnings({ "rawtypes" })
 public class AlgebricksOptimizationContext implements IOptimizationContext {
 
-    private int varCounter;
+    private final IOptimizationContextFactory optContextFactory;
     private final IExpressionEvalSizeComputer expressionEvalSizeComputer;
     private final IMergeAggregationExpressionFactory mergeAggregationExpressionFactory;
     private final PhysicalOptimizationConfig physicalOptimizationConfig;
-    private final IVariableEvalSizeEnvironment varEvalSizeEnv = new IVariableEvalSizeEnvironment() {
 
-        Map<LogicalVariable, Integer> varSizeMap = new HashMap<>();
-
-        @Override
-        public void setVariableEvalSize(LogicalVariable var, int size) {
-            varSizeMap.put(var, size);
-        }
-
-        @Override
-        public int getVariableEvalSize(LogicalVariable var) {
-            return varSizeMap.get(var);
-        }
-    };
-
-    private Map<ILogicalOperator, IVariableTypeEnvironment> typeEnvMap = new HashMap<>();
-
-    private Map<ILogicalOperator, HashSet<ILogicalOperator>> alreadyCompared = new HashMap<>();
-    private Map<IAlgebraicRewriteRule, HashSet<ILogicalOperator>> dontApply = new HashMap<>();
-    private Map<LogicalVariable, FunctionalDependency> varToPrimaryKey = new HashMap<>();
-
-    private IMetadataProvider metadataProvider;
-    private HashSet<LogicalVariable> notToBeInlinedVars = new HashSet<>();
-
+    private final VariableEvalSizeEnvironmentImpl varEvalSizeEnv = new VariableEvalSizeEnvironmentImpl();
+    private final Map<ILogicalOperator, IVariableTypeEnvironment> typeEnvMap = new HashMap<>();
+    private final Map<ILogicalOperator, HashSet<ILogicalOperator>> alreadyCompared = new HashMap<>();
+    private final Map<IAlgebraicRewriteRule, HashSet<ILogicalOperator>> dontApply = new HashMap<>();
+    private final Map<LogicalVariable, FunctionalDependency> varToPrimaryKey = new HashMap<>();
+    private final HashSet<LogicalVariable> notToBeInlinedVars = new HashSet<>();
     protected final Map<ILogicalOperator, List<FunctionalDependency>> fdGlobalMap = new HashMap<>();
     protected final Map<ILogicalOperator, Map<LogicalVariable, EquivalenceClass>> eqClassGlobalMap = new HashMap<>();
-
     protected final Map<ILogicalOperator, ILogicalPropertiesVector> logicalProps = new HashMap<>();
+
     private final IExpressionTypeComputer expressionTypeComputer;
     private final IMissableTypeComputer nullableTypeComputer;
     private final INodeDomain defaultNodeDomain;
@@ -94,12 +78,18 @@
     private final PlanStructureVerifier planStructureVerifier;
     private final PlanStabilityVerifier planStabilityVerifier;
 
-    public AlgebricksOptimizationContext(int varCounter, IExpressionEvalSizeComputer expressionEvalSizeComputer,
+    private int varCounter;
+    private IMetadataProvider metadataProvider;
+    private Object compilerFactory;
+
+    public AlgebricksOptimizationContext(IOptimizationContextFactory optContextFactory, int varCounter,
+            IExpressionEvalSizeComputer expressionEvalSizeComputer,
             IMergeAggregationExpressionFactory mergeAggregationExpressionFactory,
             IExpressionTypeComputer expressionTypeComputer, IMissableTypeComputer nullableTypeComputer,
             IConflictingTypeResolver conflictingTypeResovler, PhysicalOptimizationConfig physicalOptimizationConfig,
             AlgebricksPartitionConstraint clusterLocations, IPlanPrettyPrinter prettyPrinter,
             IWarningCollector warningCollector) {
+        this.optContextFactory = optContextFactory;
         this.varCounter = varCounter;
         this.expressionEvalSizeComputer = expressionEvalSizeComputer;
         this.mergeAggregationExpressionFactory = mergeAggregationExpressionFactory;
@@ -115,6 +105,35 @@
         this.planStabilityVerifier = isSanityCheckEnabled ? new PlanStabilityVerifier(prettyPrinter) : null;
     }
 
+    public AlgebricksOptimizationContext(AlgebricksOptimizationContext from) {
+        optContextFactory = from.optContextFactory;
+        varCounter = from.varCounter;
+        expressionEvalSizeComputer = from.expressionEvalSizeComputer;
+        mergeAggregationExpressionFactory = from.mergeAggregationExpressionFactory;
+        expressionTypeComputer = from.expressionTypeComputer;
+        nullableTypeComputer = from.nullableTypeComputer;
+        physicalOptimizationConfig = from.physicalOptimizationConfig;
+        defaultNodeDomain = from.defaultNodeDomain;
+        prettyPrinter = from.prettyPrinter;
+        conflictingTypeResovler = from.conflictingTypeResovler;
+        warningCollector = NoOpWarningCollector.INSTANCE;
+        boolean isSanityCheckEnabled = physicalOptimizationConfig.isSanityCheckEnabled();
+        planStructureVerifier = isSanityCheckEnabled ? new PlanStructureVerifier(from.prettyPrinter, this) : null;
+        planStabilityVerifier = isSanityCheckEnabled ? new PlanStabilityVerifier(from.prettyPrinter) : null;
+        metadataProvider = from.metadataProvider;
+        compilerFactory = from.compilerFactory;
+
+        varEvalSizeEnv.varSizeMap.putAll(from.varEvalSizeEnv.varSizeMap);
+        typeEnvMap.putAll(from.typeEnvMap);
+        alreadyCompared.putAll(from.alreadyCompared);
+        dontApply.putAll(from.dontApply);
+        varToPrimaryKey.putAll(from.varToPrimaryKey);
+        notToBeInlinedVars.addAll(from.notToBeInlinedVars);
+        fdGlobalMap.putAll(from.fdGlobalMap);
+        eqClassGlobalMap.putAll(from.eqClassGlobalMap);
+        logicalProps.putAll(from.logicalProps);
+    }
+
     @Override
     public int getVarCounter() {
         return varCounter;
@@ -354,4 +373,34 @@
     public PlanStabilityVerifier getPlanStabilityVerifier() {
         return planStabilityVerifier;
     }
+
+    @Override
+    public IOptimizationContextFactory getOptimizationContextFactory() {
+        return optContextFactory;
+    }
+
+    @Override
+    public void setCompilerFactory(Object compilerFactory) {
+        this.compilerFactory = compilerFactory;
+    }
+
+    @Override
+    public Object getCompilerFactory() {
+        return compilerFactory;
+    }
+
+    protected static class VariableEvalSizeEnvironmentImpl implements IVariableEvalSizeEnvironment {
+
+        protected final Map<LogicalVariable, Integer> varSizeMap = new HashMap<>();
+
+        @Override
+        public void setVariableEvalSize(LogicalVariable var, int size) {
+            varSizeMap.put(var, size);
+        }
+
+        @Override
+        public int getVariableEvalSize(LogicalVariable var) {
+            return varSizeMap.get(var);
+        }
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
index f93d1f9..676b9c7 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
@@ -61,6 +61,7 @@
         logPlanAt("Plan Before Optimization", Level.TRACE);
         sanityCheckBeforeOptimization(plan);
         runLogicalOptimizationSets(plan, logicalRewrites);
+        logPlanAt("LogicalPlan ", Level.TRACE);
         computeSchemaBottomUpForPlan(plan);
         runPhysicalOptimizationSets(plan, physicalRewrites);
         logPlanAt("Plan After Optimization", Level.TRACE);
@@ -68,7 +69,7 @@
 
     private void logPlanAt(String name, Level lvl) throws AlgebricksException {
         if (AlgebricksConfig.ALGEBRICKS_LOGGER.isEnabled(lvl)) {
-            String planStr = context.getPrettyPrinter().reset().printPlan(plan).toString();
+            String planStr = context.getPrettyPrinter().reset().printPlan(plan, true).toString();
             AlgebricksConfig.ALGEBRICKS_LOGGER.log(lvl, name + ":\n" + LogRedactionUtil.userData(planStr));
         }
     }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
index 1c41e9a..c81025d 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
@@ -28,10 +28,12 @@
 import org.apache.hyracks.api.exceptions.IWarningCollector;
 
 public interface IOptimizationContextFactory {
-    public IOptimizationContext createOptimizationContext(int varCounter,
+    IOptimizationContext createOptimizationContext(int varCounter,
             IExpressionEvalSizeComputer expressionEvalSizeComputer,
             IMergeAggregationExpressionFactory mergeAggregationExpressionFactory,
             IExpressionTypeComputer expressionTypeComputer, IMissableTypeComputer missableTypeComputer,
             IConflictingTypeResolver conflictintTypeResolver, PhysicalOptimizationConfig physicalOptimizationConfig,
             AlgebricksPartitionConstraint clusterLocations, IWarningCollector warningCollector);
+
+    IOptimizationContext cloneOptimizationContext(IOptimizationContext oc);
 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IRuleSetKind.java
similarity index 83%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IRuleSetKind.java
index 6095b26..5ce61ec 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IRuleSetKind.java
@@ -17,8 +17,8 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
-select value v from range(1,2) v where v > ?;
+public interface IRuleSetKind {
+    String name();
+}
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
index 9c9b21d..fb77ba0 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
@@ -47,6 +47,10 @@
     private static final String MIN_MEMORY_ALLOCATION = "MIN_MEMORY_ALLOCATION";
     private static final String ARRAY_INDEX = "ARRAY_INDEX";
     private static final String EXTERNAL_SCAN_BUFFER_SIZE = "EXTERNAL_SCAN_BUFFER_SIZE";
+    private static final String CBO = "CBO";
+    private static final String CBO_TEST = "CBO_TEST";
+    private static final String FORCE_JOIN_ORDER = "FORCE_JOIN_ORDER";
+    private static final String QUERY_PLAN_SHAPE = "QUERY_PLAN_SHAPE";
 
     private final Properties properties = new Properties();
 
@@ -239,6 +243,44 @@
         return getInt(EXTERNAL_SCAN_BUFFER_SIZE, AlgebricksConfig.EXTERNAL_SCAN_BUFFER_SIZE);
     }
 
+    public boolean getCBOMode() {
+        return getBoolean(CBO, AlgebricksConfig.CBO_DEFAULT);
+    }
+
+    public boolean getCBOTestMode() {
+        return getBoolean(CBO_TEST, AlgebricksConfig.CBO_TEST_DEFAULT);
+    }
+
+    public boolean getForceJoinOrderMode() {
+        return getBoolean(FORCE_JOIN_ORDER, AlgebricksConfig.FORCE_JOIN_ORDER_DEFAULT);
+    }
+
+    public String getQueryPlanShapeMode() {
+        String queryPlanShapeMode = getString(QUERY_PLAN_SHAPE, AlgebricksConfig.QUERY_PLAN_SHAPE_DEFAULT);
+        if (!(queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_ZIGZAG)
+                || queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_LEFTDEEP)
+                || queryPlanShapeMode.equals(AlgebricksConfig.QUERY_PLAN_SHAPE_RIGHTDEEP))) {
+            return AlgebricksConfig.QUERY_PLAN_SHAPE_DEFAULT;
+        }
+        return queryPlanShapeMode;
+    }
+
+    public void setCBOMode(boolean cbo) {
+        setBoolean(CBO, cbo);
+    }
+
+    public void setCBOTestMode(boolean cboTest) {
+        setBoolean(CBO_TEST, cboTest);
+    }
+
+    public void setForceJoinOrderMode(boolean forceJoinOrder) {
+        setBoolean(FORCE_JOIN_ORDER, forceJoinOrder);
+    }
+
+    public void setQueryPlanShapeMode(String queryPlanShape) {
+        setString(QUERY_PLAN_SHAPE, queryPlanShape);
+    }
+
     public void setExternalScanBufferSize(int bufferSize) {
         setInt(EXTERNAL_SCAN_BUFFER_SIZE, bufferSize);
     }
@@ -269,4 +311,13 @@
         String value = properties.getProperty(property);
         return value == null ? defaultValue : Boolean.parseBoolean(value);
     }
+
+    private void setString(String property, String value) {
+        properties.setProperty(property, value);
+    }
+
+    private String getString(String property, String defaultValue) {
+        String value = properties.getProperty(property);
+        return value == null ? defaultValue : value;
+    }
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/test/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanVerifierTestBase.java b/hyracks-fullstack/algebricks/algebricks-core/src/test/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanVerifierTestBase.java
index 65d6460..2f7bc9b 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/test/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanVerifierTestBase.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/test/java/org/apache/hyracks/algebricks/core/algebra/plan/PlanVerifierTestBase.java
@@ -71,7 +71,7 @@
 
     String printOp(ILogicalOperator op) {
         try {
-            return planPrinter.reset().printOperator((AbstractLogicalOperator) op, false).toString();
+            return planPrinter.reset().printOperator((AbstractLogicalOperator) op, false, false).toString();
         } catch (AlgebricksException e) {
             throw new RuntimeException(e);
         }
diff --git a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
index 7525180..75fd791 100644
--- a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
@@ -32,10 +32,8 @@
      *            - A printer factory array to print the tuple containing different fields.
      * @param writerFactory
      *            - A writer factory to write the serialized data to the print stream.
-     * @param inputRecordDesc
-     *            - The record descriptor describing the input frame to be serialized.
      * @return A new instance of result serialized appender.
      */
-    public IResultSerializerFactory getAqlResultSerializerFactoryProvider(int[] fields,
-            IPrinterFactory[] printerFactories, IAWriterFactory writerFactory);
+    public IResultSerializerFactory getResultSerializerFactoryProvider(int[] fields, IPrinterFactory[] printerFactories,
+            IAWriterFactory writerFactory);
 }
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
index bd24644..fba095a 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
@@ -99,7 +99,7 @@
                 changed = false;
                 // applying the rewriting until fixpoint
                 topDownMaterialization(roots);
-                genCandidates(context);
+                genCandidates();
                 removeTrivialShare();
                 if (!equivalenceClasses.isEmpty()) {
                     changed = rewrite(context);
@@ -110,9 +110,7 @@
                 equivalenceClasses.clear();
                 childrenToParents.clear();
                 opToCandidateInputs.clear();
-                clusterMap.clear();
-                clusterWaitForMap.clear();
-                lastUsedClusterId = 0; // Resets lastUsedClusterId to 0.
+                resetPlanClusterState();
             } while (changed);
             roots.clear();
         }
@@ -151,7 +149,7 @@
 
     private boolean rewriteForOneEquivalentClass(List<Mutable<ILogicalOperator>> members, IOptimizationContext context)
             throws AlgebricksException {
-        List<Mutable<ILogicalOperator>> group = new ArrayList<Mutable<ILogicalOperator>>();
+        List<Mutable<ILogicalOperator>> group = new ArrayList<>();
         boolean rewritten = false;
         while (members.size() > 0) {
             group.clear();
@@ -176,14 +174,14 @@
             AbstractLogicalOperator aopCandidate = (AbstractLogicalOperator) candidate.getValue();
             List<Mutable<ILogicalOperator>> originalCandidateParents = childrenToParents.get(candidate);
 
-            rop.setExecutionMode(((AbstractLogicalOperator) candidate.getValue()).getExecutionMode());
+            rop.setExecutionMode(candidate.getValue().getExecutionMode());
             if (aopCandidate.getOperatorTag() == LogicalOperatorTag.EXCHANGE) {
                 rop.getInputs().add(candidate);
             } else {
                 AbstractLogicalOperator beforeExchange = new ExchangeOperator();
                 beforeExchange.setPhysicalOperator(new OneToOneExchangePOperator());
                 beforeExchange.setExecutionMode(rop.getExecutionMode());
-                Mutable<ILogicalOperator> beforeExchangeRef = new MutableObject<ILogicalOperator>(beforeExchange);
+                Mutable<ILogicalOperator> beforeExchangeRef = new MutableObject<>(beforeExchange);
                 beforeExchange.getInputs().add(candidate);
                 context.computeAndSetTypeEnvironmentForOperator(beforeExchange);
                 beforeExchange.recomputeSchema();
@@ -202,7 +200,7 @@
                     AbstractLogicalOperator exchange = new ExchangeOperator();
                     exchange.setPhysicalOperator(new OneToOneExchangePOperator());
                     exchange.setExecutionMode(rop.getExecutionMode());
-                    MutableObject<ILogicalOperator> exchangeRef = new MutableObject<ILogicalOperator>(exchange);
+                    MutableObject<ILogicalOperator> exchangeRef = new MutableObject<>(exchange);
                     exchange.getInputs().add(new MutableObject<>(rop));
                     rop.getOutputs().add(exchangeRef);
                     context.computeAndSetTypeEnvironmentForOperator(exchange);
@@ -246,10 +244,10 @@
                 exchOp.setPhysicalOperator(new OneToOneExchangePOperator());
                 exchOp.setExecutionMode(rop.getExecutionMode());
                 exchOp.getInputs().add(new MutableObject<>(rop));
-                MutableObject<ILogicalOperator> exchOpRef = new MutableObject<ILogicalOperator>(exchOp);
+                MutableObject<ILogicalOperator> exchOpRef = new MutableObject<>(exchOp);
                 rop.getOutputs().add(exchOpRef);
                 assignOperator.getInputs().add(exchOpRef);
-                projectOperator.getInputs().add(new MutableObject<ILogicalOperator>(assignOperator));
+                projectOperator.getInputs().add(new MutableObject<>(assignOperator));
 
                 // set the types
                 context.computeAndSetTypeEnvironmentForOperator(exchOp);
@@ -267,15 +265,15 @@
                             parentOp.getOperatorTag() == LogicalOperatorTag.PROJECT ? assignOperator : projectOperator;
                     if (parentOp.getPhysicalOperator().isMicroOperator()
                             || parentOp.getOperatorTag() == LogicalOperatorTag.EXCHANGE) {
-                        parentOp.getInputs().set(index, new MutableObject<ILogicalOperator>(childOp));
+                        parentOp.getInputs().set(index, new MutableObject<>(childOp));
                     } else {
                         // If the parent operator is a hyracks operator,
                         // an extra one-to-one exchange is needed.
                         AbstractLogicalOperator exchg = new ExchangeOperator();
                         exchg.setPhysicalOperator(new OneToOneExchangePOperator());
                         exchg.setExecutionMode(childOp.getExecutionMode());
-                        exchg.getInputs().add(new MutableObject<ILogicalOperator>(childOp));
-                        parentOp.getInputs().set(index, new MutableObject<ILogicalOperator>(exchg));
+                        exchg.getInputs().add(new MutableObject<>(childOp));
+                        parentOp.getInputs().set(index, new MutableObject<>(exchg));
                         context.computeAndSetTypeEnvironmentForOperator(exchg);
                         exchg.recomputeSchema();
                     }
@@ -285,10 +283,17 @@
             }
             cleanupPlan();
             rewritten = true;
+            resetPlanClusterState();
         }
         return rewritten;
     }
 
+    private void resetPlanClusterState() {
+        clusterMap.clear();
+        clusterWaitForMap.clear();
+        lastUsedClusterId = 0;
+    }
+
     /**
      * Cleans up the plan after combining similar branches into one branch making sure parents & children point to
      * each other correctly.
@@ -348,17 +353,15 @@
         }
     }
 
-    private void genCandidates(IOptimizationContext context) throws AlgebricksException {
-        List<List<Mutable<ILogicalOperator>>> previousEquivalenceClasses =
-                new ArrayList<List<Mutable<ILogicalOperator>>>();
+    private void genCandidates() throws AlgebricksException {
+        List<List<Mutable<ILogicalOperator>>> previousEquivalenceClasses = new ArrayList<>();
         while (equivalenceClasses.size() > 0) {
             previousEquivalenceClasses.clear();
             for (List<Mutable<ILogicalOperator>> candidates : equivalenceClasses) {
-                List<Mutable<ILogicalOperator>> candidatesCopy = new ArrayList<Mutable<ILogicalOperator>>();
-                candidatesCopy.addAll(candidates);
+                List<Mutable<ILogicalOperator>> candidatesCopy = new ArrayList<>(candidates);
                 previousEquivalenceClasses.add(candidatesCopy);
             }
-            List<Mutable<ILogicalOperator>> currentLevelOpRefs = new ArrayList<Mutable<ILogicalOperator>>();
+            List<Mutable<ILogicalOperator>> currentLevelOpRefs = new ArrayList<>();
             for (List<Mutable<ILogicalOperator>> candidates : equivalenceClasses) {
                 if (candidates.size() > 0) {
                     for (Mutable<ILogicalOperator> opRef : candidates) {
@@ -376,11 +379,11 @@
             if (currentLevelOpRefs.size() == 0) {
                 break;
             }
-            prune(context);
+            prune();
         }
         if (equivalenceClasses.size() < 1 && previousEquivalenceClasses.size() > 0) {
             equivalenceClasses.addAll(previousEquivalenceClasses);
-            prune(context);
+            prune();
         }
     }
 
@@ -412,8 +415,7 @@
     }
 
     private void candidatesGrow(List<Mutable<ILogicalOperator>> opList, List<Mutable<ILogicalOperator>> candidates) {
-        List<Mutable<ILogicalOperator>> previousCandidates = new ArrayList<Mutable<ILogicalOperator>>();
-        previousCandidates.addAll(candidates);
+        List<Mutable<ILogicalOperator>> previousCandidates = new ArrayList<>(candidates);
         candidates.clear();
         boolean validCandidate = false;
         for (Mutable<ILogicalOperator> op : opList) {
@@ -450,23 +452,18 @@
         }
     }
 
-    private void prune(IOptimizationContext context) throws AlgebricksException {
-        List<List<Mutable<ILogicalOperator>>> previousEquivalenceClasses =
-                new ArrayList<List<Mutable<ILogicalOperator>>>();
+    private void prune() throws AlgebricksException {
+        List<List<Mutable<ILogicalOperator>>> previousEquivalenceClasses = new ArrayList<>();
         for (List<Mutable<ILogicalOperator>> candidates : equivalenceClasses) {
-            List<Mutable<ILogicalOperator>> candidatesCopy = new ArrayList<Mutable<ILogicalOperator>>();
-            candidatesCopy.addAll(candidates);
+            List<Mutable<ILogicalOperator>> candidatesCopy = new ArrayList<>(candidates);
             previousEquivalenceClasses.add(candidatesCopy);
         }
         equivalenceClasses.clear();
         for (List<Mutable<ILogicalOperator>> candidates : previousEquivalenceClasses) {
             boolean[] reserved = new boolean[candidates.size()];
-            for (int i = 0; i < reserved.length; i++) {
-                reserved[i] = false;
-            }
             for (int i = candidates.size() - 1; i >= 0; i--) {
-                if (reserved[i] == false) {
-                    List<Mutable<ILogicalOperator>> equivalentClass = new ArrayList<Mutable<ILogicalOperator>>();
+                if (!reserved[i]) {
+                    List<Mutable<ILogicalOperator>> equivalentClass = new ArrayList<>();
                     ILogicalOperator candidate = candidates.get(i).getValue();
                     equivalentClass.add(candidates.get(i));
                     for (int j = i - 1; j >= 0; j--) {
@@ -502,7 +499,7 @@
         boolean worthMaterialization = worthMaterialization(group.get(0));
         boolean requiresMaterialization;
         // get clusterIds for each candidate in the group
-        List<Integer> groupClusterIds = new ArrayList<Integer>(group.size());
+        List<Integer> groupClusterIds = new ArrayList<>(group.size());
         for (int i = 0; i < group.size(); i++) {
             groupClusterIds.add(clusterMap.get(group.get(i)).getValue());
         }
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
index f072312..be169f4 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
@@ -27,7 +27,6 @@
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
 
 /**
@@ -83,7 +82,7 @@
     }
 
     @Override
-    protected boolean performBottomUpAction(AbstractLogicalOperator op) throws AlgebricksException {
+    protected boolean performBottomUpAction(ILogicalOperator op) throws AlgebricksException {
         usedVars.clear();
         VariableUtilities.getUsedVariables(op, usedVars);
         for (LogicalVariable var : usedVars) {
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
index cec830e..6ad50e6 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
@@ -26,6 +26,7 @@
 import java.util.Set;
 
 import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.commons.lang3.mutable.MutableInt;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
@@ -37,7 +38,6 @@
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.WindowOperator;
@@ -80,6 +80,10 @@
     // set to prevent re-visiting a subtree from the other sides. Operators with multiple outputs are the ones that
     // could be re-visited twice or more (e.g. replicate and split operators)
     private final Map<ILogicalOperator, Boolean> subTreesDone = new HashMap<>();
+    // temporary set to get used variables
+    private final List<LogicalVariable> usedVars = new ArrayList<>();
+    // map of variables and the counts of how many times they were used
+    private final Map<LogicalVariable, MutableInt> usedVariableCounter = new HashMap<>();
 
     @Override
     public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context) {
@@ -108,9 +112,10 @@
         varAssignRhs.clear();
         inlineVisitor.setContext(context);
         subTreesDone.clear();
+        usedVariableCounter.clear();
     }
 
-    protected boolean performBottomUpAction(AbstractLogicalOperator op) throws AlgebricksException {
+    protected boolean performBottomUpAction(ILogicalOperator op) throws AlgebricksException {
         // Only inline variables in operators that can deal with arbitrary expressions.
         if (!op.requiresVariableReferenceExpressions()) {
             inlineVisitor.setOperator(op);
@@ -125,27 +130,33 @@
 
     private boolean inlineVariables(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
             throws AlgebricksException {
-        AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
+        ILogicalOperator op = opRef.getValue();
 
         // check if you have already visited the subtree rooted at this operator
         if (subTreesDone.containsKey(op)) {
             return subTreesDone.get(op);
         }
+
+        // compute how many times a variable was used
+        computeUsedVariableCount(op);
+
         // Update mapping from variables to expressions during top-down traversal.
         if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
             AssignOperator assignOp = (AssignOperator) op;
             List<LogicalVariable> vars = assignOp.getVariables();
             List<Mutable<ILogicalExpression>> exprs = assignOp.getExpressions();
             for (int i = 0; i < vars.size(); i++) {
+                LogicalVariable variable = vars.get(i);
                 ILogicalExpression expr = exprs.get(i).getValue();
                 // Ignore functions that are either in the doNotInline set or are non-functional
                 if (expr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
                     AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expr;
-                    if (doNotInlineFuncs.contains(funcExpr.getFunctionIdentifier()) || !funcExpr.isFunctional()) {
+                    if (doNotInlineFuncs.contains(funcExpr.getFunctionIdentifier())
+                            || skipNonFunctional(variable, funcExpr)) {
                         continue;
                     }
                 }
-                varAssignRhs.put(vars.get(i), exprs.get(i).getValue());
+                varAssignRhs.put(variable, expr);
             }
         }
 
@@ -200,6 +211,54 @@
         return modified;
     }
 
+    /**
+     * Skip inlining non-pure functions if they are referenced more than once.
+     *
+     * @param variable assigned to the function
+     * @param expr     of the assigned variable (potentially a non-pure one)
+     * @return true if inlining should be skipped, false if the non-pure functions can be inlined
+     */
+    private boolean skipNonFunctional(LogicalVariable variable, AbstractFunctionCallExpression expr) {
+        return !expr.isFunctional() && usedVariableCounter.containsKey(variable)
+                && usedVariableCounter.get(variable).getValue() > 1;
+    }
+
+    /**
+     * Computes how many times the variables in the plan were used. The variable counts
+     * help to determine if whether we can inline non-pure functions (e.g., current_date()) or not.
+     * Inlining non-pure functions can help unlocking other optimizations. For instance, we can pushdown
+     * limits and selects into data-scans or avoid create_query_uuid().
+     * <p>
+     * Non-pure functions can only be inlined if they were referenced once. For example,
+     * in the following plan, the function current_date() (or variable $$x) can be inlined as it was used
+     * once by select:
+     * <p>
+     * Before:
+     * select (get_year($$x) > 2000)
+     * * assign [$$x] <- [current_date()]
+     * After:
+     * select (get_year(current_date()) > 2000)
+     * <p>
+     * However, the following current_date() (or variable $$x) cannot be inlined as it referenced twice:
+     * select (get_year($$x) > 2000 && get_month($$x) == 11)
+     * * assign [$$x] <- [current_date()]
+     *
+     * @param op the logical operator that potentially uses one or more variables
+     */
+    private void computeUsedVariableCount(ILogicalOperator op) throws AlgebricksException {
+        if (op.getOperatorTag() == LogicalOperatorTag.SUBPLAN) {
+            // to avoid count a variable twice as this routine traverses the subplan
+            return;
+        }
+
+        usedVars.clear();
+        VariableUtilities.getUsedVariables(op, usedVars);
+        for (LogicalVariable variable : usedVars) {
+            MutableInt counter = usedVariableCounter.computeIfAbsent(variable, k -> new MutableInt(0));
+            counter.increment();
+        }
+    }
+
     public static class InlineVariablesVisitor extends LogicalExpressionReferenceTransformVisitor
             implements ILogicalExpressionReferenceTransform {
 
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PopulateResultMetadataRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PopulateResultMetadataRule.java
index e1b2e5d..1eda133 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PopulateResultMetadataRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PopulateResultMetadataRule.java
@@ -47,7 +47,7 @@
         }
         DistributeResultOperator dop = (DistributeResultOperator) op;
         IResultMetadata resultMetadata = dop.getResultMetadata();
-        if (resultMetadata.getOutputTypes() != null) {
+        if (resultMetadata == null || resultMetadata.getOutputTypes() != null) {
             return false;
         }
         List<Mutable<ILogicalExpression>> exprList = dop.getExpressions();
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
index 3760be5..1ed7170 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
@@ -138,9 +138,12 @@
                 if (expr.getExpressionTag() != LogicalExpressionTag.VARIABLE) {
                     continue;
                 }
-                VariableReferenceExpression rhsVarRefExpr = (VariableReferenceExpression) expr;
-                // Update equivalence class map.
                 LogicalVariable lhs = assignOp.getVariables().get(i);
+                if (context.shouldNotBeInlined(lhs)) {
+                    continue;
+                }
+                // Update equivalence class map.
+                VariableReferenceExpression rhsVarRefExpr = (VariableReferenceExpression) expr;
                 LogicalVariable rhs = rhsVarRefExpr.getVariableReference();
                 updateEquivalenceClassMap(lhs, rhs);
             }
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
index 1ac7614..fa0549f 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
@@ -32,6 +32,8 @@
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
 import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation.BroadcastSide;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.HashJoinExpressionAnnotation.BuildSide;
 import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
 import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
 import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions.ComparisonKind;
@@ -65,11 +67,35 @@
         List<LogicalVariable> varsRight = op.getInputs().get(1).getValue().getSchema();
         ILogicalExpression conditionExpr = op.getCondition().getValue();
         if (isHashJoinCondition(conditionExpr, varsLeft, varsRight, sideLeft, sideRight)) {
-            BroadcastSide side = getBroadcastJoinSide(conditionExpr);
-            if (side == null) {
-                setHashJoinOp(op, JoinPartitioningType.PAIRWISE, sideLeft, sideRight, context);
+            BroadcastSide broadcastSide = getBroadcastJoinSide(conditionExpr, varsLeft, varsRight, context);
+            if (broadcastSide == null) {
+                BuildSide buildSide = getHashJoinBuildSide(conditionExpr, varsLeft, varsRight, context);
+                if (buildSide == null) {
+                    setHashJoinOp(op, JoinPartitioningType.PAIRWISE, sideLeft, sideRight, context);
+                } else {
+                    switch (buildSide) {
+                        case RIGHT:
+                            setHashJoinOp(op, JoinPartitioningType.PAIRWISE, sideLeft, sideRight, context);
+                            break;
+                        case LEFT:
+                            if (op.getJoinKind() == AbstractBinaryJoinOperator.JoinKind.INNER) {
+                                Mutable<ILogicalOperator> opRef0 = op.getInputs().get(0);
+                                Mutable<ILogicalOperator> opRef1 = op.getInputs().get(1);
+                                ILogicalOperator tmp = opRef0.getValue();
+                                opRef0.setValue(opRef1.getValue());
+                                opRef1.setValue(tmp);
+                                setHashJoinOp(op, JoinPartitioningType.PAIRWISE, sideRight, sideLeft, context);
+                            } else {
+                                setHashJoinOp(op, JoinPartitioningType.PAIRWISE, sideLeft, sideRight, context);
+                            }
+                            break;
+                        default:
+                            // This should never happen
+                            throw new IllegalStateException(buildSide.toString());
+                    }
+                }
             } else {
-                switch (side) {
+                switch (broadcastSide) {
                     case RIGHT:
                         setHashJoinOp(op, JoinPartitioningType.BROADCAST, sideLeft, sideRight, context);
                         break;
@@ -87,7 +113,7 @@
                         break;
                     default:
                         // This should never happen
-                        throw new IllegalStateException(side.toString());
+                        throw new IllegalStateException(broadcastSide.toString());
                 }
             }
         } else {
@@ -188,7 +214,8 @@
         }
     }
 
-    private static BroadcastSide getBroadcastJoinSide(ILogicalExpression e) {
+    private static BroadcastSide getBroadcastJoinSide(ILogicalExpression e, List<LogicalVariable> varsLeft,
+            List<LogicalVariable> varsRight, IOptimizationContext context) {
         BroadcastSide side = null;
         if (e.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
             return null;
@@ -197,7 +224,7 @@
         FunctionIdentifier fi = fexp.getFunctionIdentifier();
         if (fi.equals(AlgebricksBuiltinFunctions.AND)) {
             for (Mutable<ILogicalExpression> a : fexp.getArguments()) {
-                BroadcastSide newSide = getBroadcastJoinSide(a.getValue());
+                BroadcastSide newSide = getBroadcastJoinSide(a.getValue(), varsLeft, varsRight, context);
                 if (side == null) {
                     side = newSide;
                 } else if (newSide != null && !newSide.equals(side)) {
@@ -206,9 +233,83 @@
             }
             return side;
         } else {
-            BroadcastExpressionAnnotation bcastAnnnotation = fexp.getAnnotation(BroadcastExpressionAnnotation.class);
-            if (bcastAnnnotation != null) {
-                return bcastAnnnotation.getBroadcastSide();
+            BroadcastExpressionAnnotation bcastAnnotation = fexp.getAnnotation(BroadcastExpressionAnnotation.class);
+            if (bcastAnnotation != null) {
+                BroadcastExpressionAnnotation.BroadcastSide bcastSide = bcastAnnotation.getBroadcastSide();
+                if (bcastSide != null) {
+                    return bcastSide;
+                }
+                String broadcastObject = "$$" + bcastAnnotation.getName();
+                if (varsRight.stream().map(LogicalVariable::toString).anyMatch(v -> v.equals(broadcastObject))) {
+                    bcastAnnotation.setBroadcastSide(BroadcastSide.RIGHT);
+                    return bcastAnnotation.getBroadcastSide();
+                } else if (varsLeft.stream().map(LogicalVariable::toString).anyMatch(v -> v.equals(broadcastObject))) {
+                    bcastAnnotation.setBroadcastSide(BroadcastSide.LEFT);
+                    return bcastAnnotation.getBroadcastSide();
+                } else {
+                    IWarningCollector warningCollector = context.getWarningCollector();
+                    if (warningCollector.shouldWarn()) {
+                        warningCollector.warn(Warning.of(e.getSourceLocation(), ErrorCode.INAPPLICABLE_HINT,
+                                "broadcast hash join", "broadcast " + bcastAnnotation.getName()));
+                    }
+                    return null;
+                }
+            }
+        }
+        return null;
+    }
+
+    private static BuildSide getHashJoinBuildSide(ILogicalExpression e, List<LogicalVariable> varsLeft,
+            List<LogicalVariable> varsRight, IOptimizationContext context) {
+        BuildSide side = null;
+        if (e.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return null;
+        }
+        AbstractFunctionCallExpression fexp = (AbstractFunctionCallExpression) e;
+        FunctionIdentifier fi = fexp.getFunctionIdentifier();
+        if (fi.equals(AlgebricksBuiltinFunctions.AND)) {
+            for (Mutable<ILogicalExpression> a : fexp.getArguments()) {
+                BuildSide newSide = getHashJoinBuildSide(a.getValue(), varsLeft, varsRight, context);
+                if (side == null) {
+                    side = newSide;
+                } else if (newSide != null && !newSide.equals(side)) {
+                    return null;
+                }
+            }
+            return side;
+        } else {
+            HashJoinExpressionAnnotation hashJoinAnnotation = fexp.getAnnotation(HashJoinExpressionAnnotation.class);
+            if (hashJoinAnnotation != null) {
+                BuildSide buildSide = hashJoinAnnotation.getBuildSide();
+                if (buildSide != null) {
+                    return buildSide;
+                }
+                boolean build =
+                        (hashJoinAnnotation.getBuildOrProbe() == HashJoinExpressionAnnotation.BuildOrProbe.BUILD);
+                boolean probe =
+                        (hashJoinAnnotation.getBuildOrProbe() == HashJoinExpressionAnnotation.BuildOrProbe.PROBE);
+
+                String buildOrProbeObject = "$$" + hashJoinAnnotation.getName();
+                if ((build && varsRight.stream().map(LogicalVariable::toString)
+                        .anyMatch(v -> v.equals(buildOrProbeObject)))
+                        || (probe && varsLeft.stream().map(LogicalVariable::toString)
+                                .anyMatch(v -> v.equals(buildOrProbeObject)))) {
+                    hashJoinAnnotation.setBuildSide(HashJoinExpressionAnnotation.BuildSide.RIGHT);
+                    return hashJoinAnnotation.getBuildSide();
+                } else if ((build
+                        && varsLeft.stream().map(LogicalVariable::toString).anyMatch(v -> v.equals(buildOrProbeObject)))
+                        || (probe && varsRight.stream().map(LogicalVariable::toString)
+                                .anyMatch(v -> v.equals(buildOrProbeObject)))) {
+                    hashJoinAnnotation.setBuildSide(HashJoinExpressionAnnotation.BuildSide.LEFT);
+                    return hashJoinAnnotation.getBuildSide();
+                } else {
+                    IWarningCollector warningCollector = context.getWarningCollector();
+                    if (warningCollector.shouldWarn()) {
+                        warningCollector.warn(Warning.of(e.getSourceLocation(), ErrorCode.INAPPLICABLE_HINT,
+                                "hash join", (build ? "build " : "probe ") + "with " + hashJoinAnnotation.getName()));
+                    }
+                    return null;
+                }
             }
         }
         return null;
diff --git a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
index 763e6ff..90fa824 100644
--- a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
@@ -40,7 +40,7 @@
     }
 
     @Override
-    public IResultSerializerFactory getAqlResultSerializerFactoryProvider(final int[] fields,
+    public IResultSerializerFactory getResultSerializerFactoryProvider(final int[] fields,
             final IPrinterFactory[] printerFactories, final IAWriterFactory writerFactory) {
         return new IResultSerializerFactory() {
             private static final long serialVersionUID = 1L;
diff --git a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
index bc7634d..8ce4f2b 100644
--- a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
+++ b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
@@ -32,7 +32,15 @@
 
 public class SerializedDataWriterFactory implements IAWriterFactory {
 
-    private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 2L;
+
+    public static final SerializedDataWriterFactory WITHOUT_RECORD_DESCRIPTOR = new SerializedDataWriterFactory(false);
+
+    private final boolean writeRecordDescriptor;
+
+    public SerializedDataWriterFactory(boolean writeRecordDescriptor) {
+        this.writeRecordDescriptor = writeRecordDescriptor;
+    }
 
     @Override
     public IAWriter createWriter(final int[] fields, final PrintStream ps, IPrinterFactory[] printerFactories,
@@ -41,15 +49,17 @@
 
             @Override
             public void init() throws HyracksDataException {
-                // dump the SerializerDeserializers to disk
-                try {
-                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                    ObjectOutputStream oos = new ObjectOutputStream(baos);
-                    oos.writeObject(inputRecordDescriptor);
-                    baos.writeTo(ps);
-                    oos.close();
-                } catch (IOException e) {
-                    throw HyracksDataException.create(e);
+                if (writeRecordDescriptor) {
+                    // dump the SerializerDeserializers to disk
+                    try {
+                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                        ObjectOutputStream oos = new ObjectOutputStream(baos);
+                        oos.writeObject(inputRecordDescriptor);
+                        baos.writeTo(ps);
+                        oos.close();
+                    } catch (IOException e) {
+                        throw HyracksDataException.create(e);
+                    }
                 }
             }
 
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
index 0ee3658..7a320b1 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
@@ -346,12 +346,19 @@
     }
 
     public static class WaitForCompletionFunction extends Function {
-        private static final long serialVersionUID = 1L;
+        private static final long serialVersionUID = 2L;
 
         private final JobId jobId;
 
+        private final List<String> statOperatorNames;
+
         public WaitForCompletionFunction(JobId jobId) {
+            this(jobId, null);
+        }
+
+        public WaitForCompletionFunction(JobId jobId, List<String> statOperatorNames) {
             this.jobId = jobId;
+            this.statOperatorNames = statOperatorNames;
         }
 
         @Override
@@ -362,6 +369,10 @@
         public JobId getJobId() {
             return jobId;
         }
+
+        public List<String> getStatOperatorNames() {
+            return statOperatorNames;
+        }
     }
 
     public static class GetNodeControllersInfoFunction extends Function {
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
index 1118a68..be965eb 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
@@ -31,6 +31,7 @@
 import org.apache.hyracks.api.job.JobInfo;
 import org.apache.hyracks.api.job.JobSpecification;
 import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 
 /**
  * Interface used by clients to communicate with the Hyracks Cluster Controller.
@@ -157,6 +158,19 @@
     void waitForCompletion(JobId jobId) throws Exception;
 
     /**
+     * Waits until the specified job has completed, either successfully or has
+     * encountered a permanent failure.
+     *
+     * @param jobId
+     *            JobId of the Job
+     * @param statsOperatorNames
+     *            names of the operators which stats should be returned
+     * @return stats for the specified operators
+     * @throws Exception
+     */
+    List<IOperatorStats> waitForCompletion(JobId jobId, List<String> statsOperatorNames) throws Exception;
+
+    /**
      * Deploy files to the cluster
      *
      * @param files
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
index 4cc47d2..be47014 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
@@ -30,6 +30,7 @@
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.job.JobInfo;
 import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 import org.apache.hyracks.api.topology.ClusterTopology;
 
 public interface IHyracksClientInterface {
@@ -53,6 +54,8 @@
 
     public void waitForCompletion(JobId jobId) throws Exception;
 
+    public List<IOperatorStats> waitForCompletion(JobId jobId, List<String> statOperatorNames) throws Exception;
+
     public Map<String, NodeControllerInfo> getNodeControllersInfo() throws Exception;
 
     public ClusterTopology getClusterTopology() throws Exception;
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
index 4561af1..ad5624c 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
@@ -42,6 +42,8 @@
 
     TaskAttemptId getTaskAttemptId();
 
+    int getPartitionCount();
+
     ICounterContext getCounterContext();
 
     ExecutorService getExecutorService();
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/NoOpWarningCollector.java
similarity index 62%
copy from asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
copy to hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/NoOpWarningCollector.java
index 6095b26..caf2464 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/api/compileonly/compileonly.1.plans.sqlpp
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/NoOpWarningCollector.java
@@ -17,8 +17,27 @@
  * under the License.
  */
 
--- param compile-only:string=true
--- param logical-plan:string=true
--- param plan-format:string=json
+package org.apache.hyracks.api.exceptions;
 
-select value v from range(1,2) v where v > ?;
+public final class NoOpWarningCollector implements IWarningCollector {
+
+    public static final IWarningCollector INSTANCE = new NoOpWarningCollector();
+
+    private NoOpWarningCollector() {
+    }
+
+    @Override
+    public void warn(Warning warning) {
+        // no-op
+    }
+
+    @Override
+    public boolean shouldWarn() {
+        return false;
+    }
+
+    @Override
+    public long getTotalWarningsCount() {
+        return 0;
+    }
+}
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IOperatorStats.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IOperatorStats.java
index 181249a..0d38fac 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IOperatorStats.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IOperatorStats.java
@@ -19,6 +19,7 @@
 package org.apache.hyracks.api.job.profiling;
 
 import java.io.Serializable;
+import java.util.Map;
 
 import org.apache.hyracks.api.io.IWritable;
 import org.apache.hyracks.api.job.profiling.counters.ICounter;
@@ -46,4 +47,10 @@
      * @return A counter used to track the number of pages pinned by an opeartor
      */
     ICounter getDiskIoCounter();
+
+    void updateIndexesStats(Map<String, IndexStats> indexesStats);
+
+    Map<String, IndexStats> getIndexesStats();
+
+    void updateFrom(IOperatorStats stats);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IStatsCollector.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IStatsCollector.java
index 8930d34..c903c68 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IStatsCollector.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IStatsCollector.java
@@ -43,6 +43,13 @@
     IOperatorStats getOrAddOperatorStats(String operatorName);
 
     /**
+     * @param operatorName
+     * @return {@link IOperatorStats} for the operator with name <code>operatorName</code>
+     * if it already exists, or {@code null} if the operator does not exist
+     */
+    IOperatorStats getOperatorStats(String operatorName);
+
+    /**
      * Get every registered operator stats object
      * @return All registered operators, and their collected stats, with the names as keys and stats as values
      */
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IndexStats.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IndexStats.java
new file mode 100644
index 0000000..0c471ef
--- /dev/null
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/IndexStats.java
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.hyracks.api.job.profiling;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.io.Serializable;
+
+import org.apache.hyracks.api.com.job.profiling.counters.Counter;
+import org.apache.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+
+public class IndexStats implements IWritable, Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    private final ICounter numPages;
+    private String indexName;
+
+    public IndexStats(String indexName, long numPages) {
+        this.indexName = indexName;
+        this.numPages = new Counter("numPages");
+        this.numPages.set(numPages);
+    }
+
+    public static IndexStats create(DataInput input) throws IOException {
+        String indexName = input.readUTF();
+        long numPages = input.readLong();
+        return new IndexStats(indexName, numPages);
+    }
+
+    @Override
+    public void writeFields(DataOutput output) throws IOException {
+        output.writeUTF(indexName);
+        output.writeLong(numPages.get());
+    }
+
+    @Override
+    public void readFields(DataInput input) throws IOException {
+        indexName = input.readUTF();
+        numPages.set(input.readLong());
+    }
+
+    public void updateNumPages(long delta) {
+        numPages.update(delta);
+    }
+
+    public long getNumPages() {
+        return numPages.get();
+    }
+
+    @Override
+    public String toString() {
+        return "IndexStats{indexName='" + indexName + "', numPages=" + numPages.get() + '}';
+    }
+}
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/OperatorStats.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/OperatorStats.java
index 08c1adc..a3a5073 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/OperatorStats.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/OperatorStats.java
@@ -21,6 +21,8 @@
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.apache.hyracks.api.com.job.profiling.counters.Counter;
 import org.apache.hyracks.api.job.profiling.counters.ICounter;
@@ -32,6 +34,7 @@
     public final ICounter tupleCounter;
     public final ICounter timeCounter;
     public final ICounter diskIoCounter;
+    private final Map<String, IndexStats> indexesStats;
 
     public OperatorStats(String operatorName) {
         if (operatorName == null || operatorName.isEmpty()) {
@@ -41,6 +44,7 @@
         tupleCounter = new Counter("tupleCounter");
         timeCounter = new Counter("timeCounter");
         diskIoCounter = new Counter("diskIoCounter");
+        indexesStats = new HashMap<>();
     }
 
     public static IOperatorStats create(DataInput input) throws IOException {
@@ -71,11 +75,42 @@
     }
 
     @Override
+    public void updateIndexesStats(Map<String, IndexStats> stats) {
+        if (stats == null) {
+            return;
+        }
+        for (Map.Entry<String, IndexStats> stat : stats.entrySet()) {
+            String indexName = stat.getKey();
+            IndexStats indexStat = stat.getValue();
+            IndexStats existingIndexStat = indexesStats.get(indexName);
+            if (existingIndexStat == null) {
+                indexesStats.put(indexName, new IndexStats(indexName, indexStat.getNumPages()));
+            } else {
+                existingIndexStat.updateNumPages(indexStat.getNumPages());
+            }
+        }
+    }
+
+    @Override
+    public Map<String, IndexStats> getIndexesStats() {
+        return indexesStats;
+    }
+
+    @Override
+    public void updateFrom(IOperatorStats stats) {
+        tupleCounter.update(stats.getTupleCounter().get());
+        timeCounter.update(stats.getTimeCounter().get());
+        diskIoCounter.update(stats.getDiskIoCounter().get());
+        updateIndexesStats(stats.getIndexesStats());
+    }
+
+    @Override
     public void writeFields(DataOutput output) throws IOException {
         output.writeUTF(operatorName);
         output.writeLong(tupleCounter.get());
         output.writeLong(timeCounter.get());
         output.writeLong(diskIoCounter.get());
+        writeIndexesStats(output);
     }
 
     @Override
@@ -83,11 +118,30 @@
         tupleCounter.set(input.readLong());
         timeCounter.set(input.readLong());
         diskIoCounter.set(input.readLong());
+        readIndexesStats(input);
+    }
+
+    private void writeIndexesStats(DataOutput output) throws IOException {
+        output.writeInt(indexesStats.size());
+        for (Map.Entry<String, IndexStats> indexStat : indexesStats.entrySet()) {
+            output.writeUTF(indexStat.getKey());
+            indexStat.getValue().writeFields(output);
+        }
+    }
+
+    private void readIndexesStats(DataInput input) throws IOException {
+        int numIndexes = input.readInt();
+        for (int i = 0; i < numIndexes; i++) {
+            String indexName = input.readUTF();
+            IndexStats indexStats = IndexStats.create(input);
+            indexesStats.put(indexName, indexStats);
+        }
     }
 
     @Override
     public String toString() {
         return "{ " + "\"operatorName\": \"" + operatorName + "\", " + "\"" + tupleCounter.getName() + "\": "
-                + tupleCounter.get() + ", \"" + timeCounter.getName() + "\": " + timeCounter.get() + " }";
+                + tupleCounter.get() + ", \"" + timeCounter.getName() + "\": " + timeCounter.get() + ", \""
+                + ", \"indexStats\": \"" + indexesStats + "\" }";
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-client/pom.xml b/hyracks-fullstack/hyracks/hyracks-client/pom.xml
index 409da1f8..66b71fa 100644
--- a/hyracks-fullstack/hyracks/hyracks-client/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-client/pom.xml
@@ -101,6 +101,11 @@
       <version>${project.version}</version>
     </dependency>
     <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-util</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
diff --git a/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultDirectory.java b/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultDirectory.java
index b335a93..5dd5fff 100644
--- a/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultDirectory.java
+++ b/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultDirectory.java
@@ -18,6 +18,7 @@
  */
 package org.apache.hyracks.client.result;
 
+import java.io.Closeable;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 
@@ -35,7 +36,7 @@
 import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
 //TODO(madhusudancs): Should this implementation be moved to org.apache.hyracks.client?
-public class ResultDirectory implements IResultDirectory {
+public class ResultDirectory implements IResultDirectory, Closeable {
     private final IPCSystem ipc;
     private final IResultDirectory remoteResultDirectory;
 
@@ -64,4 +65,9 @@
     public IResultMetadata getResultMetadata(JobId jobId, ResultSetId rsId) throws Exception {
         return remoteResultDirectory.getResultMetadata(jobId, rsId);
     }
+
+    @Override
+    public void close() throws IOException {
+        ipc.stop();
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultSet.java b/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultSet.java
index 4d8767f..8a88045 100644
--- a/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultSet.java
+++ b/hyracks-fullstack/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/result/ResultSet.java
@@ -18,6 +18,9 @@
  */
 package org.apache.hyracks.client.result;
 
+import java.io.Closeable;
+import java.io.IOException;
+
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.comm.NetworkAddress;
 import org.apache.hyracks.api.context.IHyracksCommonContext;
@@ -25,15 +28,15 @@
 import org.apache.hyracks.api.io.IIOManager;
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.network.ISocketChannelFactory;
-import org.apache.hyracks.api.result.IResultDirectory;
 import org.apache.hyracks.api.result.IResultSet;
 import org.apache.hyracks.api.result.IResultSetReader;
 import org.apache.hyracks.api.result.ResultSetId;
 import org.apache.hyracks.client.net.ClientNetworkManager;
 import org.apache.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.util.NetworkUtil;
 
-public class ResultSet implements IResultSet {
-    private final IResultDirectory resultDirectory;
+public class ResultSet implements IResultSet, Closeable {
+    private final ResultDirectory resultDirectory;
 
     private final ClientNetworkManager netManager;
 
@@ -51,6 +54,15 @@
     }
 
     @Override
+    public void close() throws IOException {
+        try {
+            netManager.stop();
+        } finally {
+            NetworkUtil.closeQuietly(resultDirectory);
+        }
+    }
+
+    @Override
     public IResultSetReader createReader(JobId jobId, ResultSetId resultSetId) throws HyracksDataException {
         IResultSetReader reader = null;
         try {
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClientInterfaceIPCI.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClientInterfaceIPCI.java
index e6973dd..6da8fdf 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClientInterfaceIPCI.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClientInterfaceIPCI.java
@@ -147,8 +147,8 @@
             case WAIT_FOR_COMPLETION:
                 HyracksClientInterfaceFunctions.WaitForCompletionFunction wfcf =
                         (HyracksClientInterfaceFunctions.WaitForCompletionFunction) fn;
-                ccs.getWorkQueue()
-                        .schedule(new WaitForJobCompletionWork(ccs, wfcf.getJobId(), new IPCResponder<>(handle, mid)));
+                ccs.getWorkQueue().schedule(new WaitForJobCompletionWork(ccs, wfcf.getJobId(),
+                        wfcf.getStatOperatorNames(), new IPCResponder<>(handle, mid)));
                 break;
             case GET_NODE_CONTROLLERS_INFO:
                 ccs.getWorkQueue().schedule(
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
index 911bedf..14d92fb 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
@@ -33,11 +33,14 @@
 public class WaitForJobCompletionWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
     private final JobId jobId;
+    private final List<String> statOperatorNames;
     private final IResultCallback<Object> callback;
 
-    public WaitForJobCompletionWork(ClusterControllerService ccs, JobId jobId, IResultCallback<Object> callback) {
+    public WaitForJobCompletionWork(ClusterControllerService ccs, JobId jobId, List<String> statOperatorNames,
+            IResultCallback<Object> callback) {
         this.ccs = ccs;
         this.jobId = jobId;
+        this.statOperatorNames = statOperatorNames;
         this.callback = callback;
     }
 
@@ -53,7 +56,7 @@
                         Thread.currentThread()
                                 .setName(Thread.currentThread().getName() + " : WaitForCompletionForJobId: " + jobId);
                         jobRun.waitForCompletion();
-                        callback.setValue(null);
+                        callback.setValue(jobRun.getJobProfile().getAggregatedStats(statOperatorNames));
                     } catch (Exception e) {
                         callback.setException(e);
                     }
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/StatsCollector.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/StatsCollector.java
index 878d7c3..580a560 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/StatsCollector.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/StatsCollector.java
@@ -52,6 +52,11 @@
     }
 
     @Override
+    public IOperatorStats getOperatorStats(String operatorName) {
+        return operatorStatsMap.get(operatorName);
+    }
+
+    @Override
     public Map<String, IOperatorStats> getAllOperatorStats() {
         return Collections.unmodifiableMap(operatorStatsMap);
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
index c4eff85..ee49908 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
@@ -21,18 +21,25 @@
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
 import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
+import org.apache.hyracks.api.job.profiling.IStatsCollector;
+import org.apache.hyracks.api.job.profiling.OperatorStats;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
 public class JobProfile extends AbstractProfile {
-    private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 2L;
 
     private JobId jobId;
 
@@ -109,4 +116,42 @@
             entry.getValue().writeFields(output);
         }
     }
+
+    public List<IOperatorStats> getAggregatedStats(List<String> operatorNames) {
+        if (jobletProfiles == null || operatorNames == null || operatorNames.isEmpty()) {
+            return null;
+        }
+        // gather final task attempts for each task
+        Map<TaskId, TaskProfile> taskProfileMap = new HashMap<>();
+        for (JobletProfile jobletProfile : jobletProfiles.values()) {
+            for (TaskProfile taskProfile : jobletProfile.getTaskProfiles().values()) {
+                TaskAttemptId taskAttemptId = taskProfile.getTaskId();
+                TaskId taskId = taskAttemptId.getTaskId();
+                TaskProfile existingProfile = taskProfileMap.get(taskId);
+                if (existingProfile == null || taskAttemptId.getAttempt() > existingProfile.getTaskId().getAttempt()) {
+                    taskProfileMap.put(taskId, taskProfile);
+                }
+            }
+        }
+        // compute aggregated counts
+        int n = operatorNames.size();
+        IOperatorStats[] outStats = new IOperatorStats[n];
+        for (TaskProfile taskProfile : taskProfileMap.values()) {
+            IStatsCollector statsCollector = taskProfile.getStatsCollector();
+            for (int i = 0; i < n; i++) {
+                String operatorName = operatorNames.get(i);
+                IOperatorStats opTaskStats = statsCollector.getOperatorStats(operatorName);
+                if (opTaskStats == null) {
+                    continue;
+                }
+                IOperatorStats opOutStats = outStats[i];
+                if (opOutStats == null) {
+                    opOutStats = new OperatorStats(operatorName);
+                    outStats[i] = opOutStats;
+                }
+                opOutStats.updateFrom(opTaskStats);
+            }
+        }
+        return Arrays.asList(outStats);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
index 158e24e..900ac7e 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
@@ -87,6 +87,8 @@
 
     private final TaskAttemptId taskAttemptId;
 
+    private final int partitionCount;
+
     private final String displayName;
 
     private final ExecutorService executorService;
@@ -131,12 +133,13 @@
 
     private final Map<Long, IThreadStats> perThreadStats = new HashMap<>();
 
-    public Task(Joblet joblet, Set<JobFlag> jobFlags, TaskAttemptId taskId, String displayName,
+    public Task(Joblet joblet, Set<JobFlag> jobFlags, TaskAttemptId taskId, int partitionCount, String displayName,
             ExecutorService executor, NodeControllerService ncs,
             List<List<PartitionChannel>> inputChannelsFromConnectors) {
         this.joblet = joblet;
         this.jobFlags = jobFlags;
         this.taskAttemptId = taskId;
+        this.partitionCount = partitionCount;
         this.displayName = displayName;
         this.executorService = executor;
         fileFactory = new WorkspaceFileFactory(this, joblet.getIoManager());
@@ -225,6 +228,11 @@
     }
 
     @Override
+    public int getPartitionCount() {
+        return partitionCount;
+    }
+
+    @Override
     public ICounter getCounter(String name, boolean create) {
         Counter counter = counterMap.get(name);
         if (counter == null && create) {
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
index 7d84fe9..f6c144d 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
@@ -152,11 +152,12 @@
                 ActivityCluster ac = acg.getActivityMap().get(aid);
                 IActivity han = ac.getActivityMap().get(aid);
                 LOGGER.trace("Initializing {} -> {} for {}", taId, han, jobId);
+                int partitionCount = td.getPartitionCount();
                 final int partition = tid.getPartition();
                 List<IConnectorDescriptor> inputs = ac.getActivityInputMap().get(aid);
-                task = new Task(joblet, flags, taId, han.getDisplayName(), ncs.getExecutor(), ncs,
+                task = new Task(joblet, flags, taId, partitionCount, han.getDisplayName(), ncs.getExecutor(), ncs,
                         createInputChannels(td, inputs));
-                IOperatorNodePushable operator = han.createPushRuntime(task, rdp, partition, td.getPartitionCount());
+                IOperatorNodePushable operator = han.createPushRuntime(task, rdp, partition, partitionCount);
                 List<IPartitionCollector> collectors = new ArrayList<>();
                 if (inputs != null) {
                     for (int i = 0; i < inputs.size(); ++i) {
@@ -182,7 +183,7 @@
                                 createPartitionWriterFactory(task, cPolicy, jobId, conn, partition, taId, flags);
                         LOGGER.trace("input: {}: {}", i, conn.getConnectorId());
                         IFrameWriter writer = conn.createPartitioner(task, recordDesc, pwFactory, partition,
-                                td.getPartitionCount(), td.getOutputPartitionCounts()[i]);
+                                partitionCount, td.getOutputPartitionCounts()[i]);
                         writer = (enforce && !profile) ? EnforceFrameWriter.enforce(writer) : writer;
                         operator.setOutputFrameWriter(i, writer, recordDesc);
                     }
diff --git a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
index c370b58..26b9f10 100644
--- a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
+++ b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
@@ -69,7 +69,7 @@
 
     @Override
     public void close() throws HyracksDataException {
-        if (!failed) {
+        if (!failed && handle != null) {
             ioManager.close(handle);
         }
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java b/hyracks-fullstack/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
index bcd71a3..c3bc5ca 100644
--- a/hyracks-fullstack/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
+++ b/hyracks-fullstack/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
@@ -49,6 +49,6 @@
                 getVirtualBufferCacheProvider(), SynchronousSchedulerProvider.INSTANCE, MERGE_POLICY_FACTORY,
                 MERGE_POLICY_PROPERTIES, DURABLE, bloomFilterKeyFields,
                 LSMTreeOperatorTestHelper.DEFAULT_BLOOM_FILTER_FALSE_POSITIVE_RATE, true, btreefields,
-                NoOpCompressorDecompressorFactory.INSTANCE, bloomFilterKeyFields != null, null, null);
+                NoOpCompressorDecompressorFactory.INSTANCE, bloomFilterKeyFields != null, null, null, false);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksClientInterfaceRemoteProxy.java b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksClientInterfaceRemoteProxy.java
index 82d7a3b..3b59a70 100644
--- a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksClientInterfaceRemoteProxy.java
+++ b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksClientInterfaceRemoteProxy.java
@@ -35,6 +35,7 @@
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.job.JobInfo;
 import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 import org.apache.hyracks.api.topology.ClusterTopology;
 import org.apache.hyracks.ipc.api.IIPCHandle;
 import org.apache.hyracks.ipc.api.RPCInterface;
@@ -130,6 +131,13 @@
     }
 
     @Override
+    public List<IOperatorStats> waitForCompletion(JobId jobId, List<String> statOperatorNames) throws Exception {
+        HyracksClientInterfaceFunctions.WaitForCompletionFunction wfcf =
+                new HyracksClientInterfaceFunctions.WaitForCompletionFunction(jobId, statOperatorNames);
+        return (List<IOperatorStats>) rpci.call(ipcHandle, wfcf);
+    }
+
+    @Override
     public Map<String, NodeControllerInfo> getNodeControllersInfo() throws Exception {
         HyracksClientInterfaceFunctions.GetNodeControllersInfoFunction gncif =
                 new HyracksClientInterfaceFunctions.GetNodeControllersInfoFunction();
diff --git a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksConnection.java b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksConnection.java
index 9351348..1b6d8af 100644
--- a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksConnection.java
+++ b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HyracksConnection.java
@@ -18,6 +18,7 @@
  */
 package org.apache.hyracks.ipc.impl;
 
+import java.io.Closeable;
 import java.io.File;
 import java.net.InetSocketAddress;
 import java.net.URL;
@@ -52,6 +53,7 @@
 import org.apache.hyracks.api.job.JobInfo;
 import org.apache.hyracks.api.job.JobSpecification;
 import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.job.profiling.IOperatorStats;
 import org.apache.hyracks.api.network.ISocketChannelFactory;
 import org.apache.hyracks.api.topology.ClusterTopology;
 import org.apache.hyracks.api.util.InvokeUtil;
@@ -70,7 +72,7 @@
  *
  * @author vinayakb
  */
-public final class HyracksConnection implements IHyracksClientConnection {
+public final class HyracksConnection implements Closeable, IHyracksClientConnection {
 
     private static final Logger LOGGER = LogManager.getLogger();
 
@@ -123,6 +125,11 @@
     }
 
     @Override
+    public void close() {
+        ipc.stop();
+    }
+
+    @Override
     public JobStatus getJobStatus(JobId jobId) throws Exception {
         return hci.getJobStatus(jobId);
     }
@@ -196,6 +203,17 @@
     }
 
     @Override
+    public List<IOperatorStats> waitForCompletion(JobId jobId, List<String> statOperatorNames) throws Exception {
+        try {
+            return hci.waitForCompletion(jobId, statOperatorNames);
+        } catch (InterruptedException e) {
+            // Cancels an on-going job if the current thread gets interrupted.
+            cancelJob(jobId);
+            throw e;
+        }
+    }
+
+    @Override
     public Map<String, NodeControllerInfo> getNodeControllerInfos() throws HyracksException {
         try {
             return hci.getNodeControllersInfo();
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
index 297160e..5c11106 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
@@ -124,6 +124,9 @@
     private boolean stripFoundationAssertionFromNotices = false;
 
     @Parameter
+    private boolean includeShadowedDependencies = true;
+
+    @Parameter
     private boolean validateShadowLicenses = false;
 
     private SortedMap<String, SortedSet<Project>> noticeMap;
@@ -529,6 +532,11 @@
 
     private void gatherShadowedDependencies(Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
             Map<String, MavenProject> dependencyGavMap) throws MojoExecutionException, ProjectBuildingException {
+        if (!includeShadowedDependencies) {
+            getLog().info("Not gathering shadowed dependencies as 'includeShadowedDependencies' is set to "
+                    + includeShadowedDependencies);
+            return;
+        }
         Set<MavenProject> projects = new TreeSet<>(Comparator.comparing(MavenProject::getId));
         projects.addAll(dependencyLicenseMap.keySet());
         for (MavenProject p : projects) {
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResource.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResource.java
index e16baf9..ee4c4f7 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResource.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResource.java
@@ -56,19 +56,21 @@
             ILSMPageWriteCallbackFactory pageWriteCallbackFactory,
             IMetadataPageManagerFactory metadataPageManagerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, boolean durable, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(typeTraits, cmpFactories, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, path,
                 storageManager, mergePolicyFactory, mergePolicyProperties, filterTypeTraits, filterCmpFactories,
                 btreeFields, filterFields, opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory,
                 metadataPageManagerFactory, null, ioSchedulerProvider, durable,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, nullTypeTraits, nullIntrospector);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, nullTypeTraits, nullIntrospector,
+                isSecondaryNoIncrementalMaintenance);
     }
 
     private ExternalBTreeLocalResource(IPersistedResourceRegistry registry, JsonNode json, int[] bloomFilterKeyFields,
-            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter)
-            throws HyracksDataException {
+            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter,
+            boolean isSecondaryNoIncrementalMaintenance) throws HyracksDataException {
         super(registry, json, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, btreeFields,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 
     @Override
@@ -97,6 +99,6 @@
         LSMBTreeLocalResource lsmBtree = (LSMBTreeLocalResource) LSMBTreeLocalResource.fromJson(registry, json);
         return new ExternalBTreeLocalResource(registry, json, lsmBtree.bloomFilterKeyFields,
                 lsmBtree.bloomFilterFalsePositiveRate, lsmBtree.isPrimary, lsmBtree.btreeFields,
-                lsmBtree.hasBloomFilter);
+                lsmBtree.hasBloomFilter, lsmBtree.isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResourceFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResourceFactory.java
index e4c29ba..3a28057 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResourceFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeLocalResourceFactory.java
@@ -46,13 +46,13 @@
             IMetadataPageManagerFactory metadataPageManagerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, ILSMMergePolicyFactory mergePolicyFactory,
             Map<String, String> mergePolicyProperties, boolean durable, int[] bloomFilterKeyFields,
-            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            double bloomFilterFalsePositiveRate, int[] btreeFields, boolean hasBloomFilter, ITypeTraits nullTypeTraits,
+            INullIntrospector nullIntrospector) {
         super(storageManager, typeTraits, cmpFactories, filterTypeTraits, filterCmpFactories, filterFields,
                 opTrackerFactory, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory, null,
                 ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, durable, bloomFilterKeyFields,
-                bloomFilterFalsePositiveRate, isPrimary, btreeFields, NoOpCompressorDecompressorFactory.INSTANCE,
-                hasBloomFilter, nullTypeTraits, nullIntrospector);
+                bloomFilterFalsePositiveRate, false, btreeFields, NoOpCompressorDecompressorFactory.INSTANCE,
+                hasBloomFilter, nullTypeTraits, nullIntrospector, true);
     }
 
     @Override
@@ -61,6 +61,7 @@
                 bloomFilterFalsePositiveRate, isPrimary, fileRef.getRelativePath(), storageManager, mergePolicyFactory,
                 mergePolicyProperties, filterTypeTraits, filterCmpFactories, btreeFields, bloomFilterKeyFields,
                 opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
-                ioSchedulerProvider, durable, hasBloomFilter, nullTypeTraits, nullIntrospector);
+                ioSchedulerProvider, durable, hasBloomFilter, nullTypeTraits, nullIntrospector,
+                isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResource.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResource.java
index 863ae56..f2c5263 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResource.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResource.java
@@ -59,19 +59,21 @@
             ILSMPageWriteCallbackFactory pageWriteCallbackFactory,
             IMetadataPageManagerFactory metadataPageManagerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, boolean durable, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(typeTraits, cmpFactories, buddyBtreeFields, bloomFilterFalsePositiveRate, isPrimary, path, storageManager,
                 mergePolicyFactory, mergePolicyProperties, filterTypeTraits, filterCmpFactories, btreeFields,
                 filterFields, opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory,
                 metadataPageManagerFactory, null, ioSchedulerProvider, durable,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, nullTypeTraits, nullIntrospector);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, nullTypeTraits, nullIntrospector,
+                isSecondaryNoIncrementalMaintenance);
     }
 
     private ExternalBTreeWithBuddyLocalResource(IPersistedResourceRegistry registry, JsonNode json,
             int[] bloomFilterKeyFields, double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields,
-            boolean hasBloomFilter) throws HyracksDataException {
+            boolean hasBloomFilter, boolean isSecondaryNoIncrementalMaintenance) throws HyracksDataException {
         super(registry, json, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, btreeFields,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 
     @Override
@@ -100,6 +102,6 @@
         LSMBTreeLocalResource lsmBtree = (LSMBTreeLocalResource) LSMBTreeLocalResource.fromJson(registry, json);
         return new ExternalBTreeWithBuddyLocalResource(registry, json, lsmBtree.bloomFilterKeyFields,
                 lsmBtree.bloomFilterFalsePositiveRate, lsmBtree.isPrimary, lsmBtree.btreeFields,
-                lsmBtree.hasBloomFilter);
+                lsmBtree.hasBloomFilter, lsmBtree.isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResourceFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResourceFactory.java
index 39c8aed..995a23b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResourceFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyLocalResourceFactory.java
@@ -46,13 +46,13 @@
             IMetadataPageManagerFactory metadataPageManagerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, ILSMMergePolicyFactory mergePolicyFactory,
             Map<String, String> mergePolicyProperties, boolean durable, int[] buddyBtreeFields,
-            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            double bloomFilterFalsePositiveRate, int[] btreeFields, boolean hasBloomFilter, ITypeTraits nullTypeTraits,
+            INullIntrospector nullIntrospector) {
         super(storageManager, typeTraits, cmpFactories, filterTypeTraits, filterCmpFactories, filterFields,
                 opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory, null,
                 ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, durable, buddyBtreeFields,
-                bloomFilterFalsePositiveRate, isPrimary, btreeFields, NoOpCompressorDecompressorFactory.INSTANCE,
-                hasBloomFilter, nullTypeTraits, nullIntrospector);
+                bloomFilterFalsePositiveRate, false, btreeFields, NoOpCompressorDecompressorFactory.INSTANCE,
+                hasBloomFilter, nullTypeTraits, nullIntrospector, true);
     }
 
     @Override
@@ -61,6 +61,7 @@
                 bloomFilterFalsePositiveRate, isPrimary, fileRef.getRelativePath(), storageManager, mergePolicyFactory,
                 mergePolicyProperties, filterTypeTraits, filterCmpFactories, btreeFields, filterFields,
                 opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
-                ioSchedulerProvider, durable, hasBloomFilter, nullTypeTraits, nullIntrospector);
+                ioSchedulerProvider, durable, hasBloomFilter, nullTypeTraits, nullIntrospector,
+                isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResource.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResource.java
index 656ae02..a7e433c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResource.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResource.java
@@ -59,6 +59,7 @@
     protected final boolean isPrimary;
     protected final int[] btreeFields;
     protected final ICompressorDecompressorFactory compressorDecompressorFactory;
+    protected final boolean isSecondaryNoIncrementalMaintenance;
 
     public LSMBTreeLocalResource(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories,
             int[] bloomFilterKeyFields, double bloomFilterFalsePositiveRate, boolean isPrimary, String path,
@@ -70,7 +71,8 @@
             IMetadataPageManagerFactory metadataPageManagerFactory, IVirtualBufferCacheProvider vbcProvider,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, boolean durable,
             ICompressorDecompressorFactory compressorDecompressorFactory, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(path, storageManager, typeTraits, cmpFactories, filterTypeTraits, filterCmpFactories, filterFields,
                 opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
                 vbcProvider, ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, durable, nullTypeTraits,
@@ -81,12 +83,13 @@
         this.btreeFields = btreeFields;
         this.compressorDecompressorFactory = compressorDecompressorFactory;
         this.hasBloomFilter = hasBloomFilter;
+        this.isSecondaryNoIncrementalMaintenance = isSecondaryNoIncrementalMaintenance;
     }
 
     protected LSMBTreeLocalResource(IPersistedResourceRegistry registry, JsonNode json, int[] bloomFilterKeyFields,
             double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields,
-            ICompressorDecompressorFactory compressorDecompressorFactory, boolean hasBloomFilter)
-            throws HyracksDataException {
+            ICompressorDecompressorFactory compressorDecompressorFactory, boolean hasBloomFilter,
+            boolean isSecondaryNoIncrementalMaintenance) throws HyracksDataException {
         super(registry, json);
         this.bloomFilterKeyFields = bloomFilterKeyFields;
         this.bloomFilterFalsePositiveRate = bloomFilterFalsePositiveRate;
@@ -94,6 +97,7 @@
         this.btreeFields = btreeFields;
         this.compressorDecompressorFactory = compressorDecompressorFactory;
         this.hasBloomFilter = hasBloomFilter;
+        this.isSecondaryNoIncrementalMaintenance = isSecondaryNoIncrementalMaintenance;
     }
 
     @Override
@@ -114,6 +118,10 @@
                 compressorDecompressorFactory, hasBloomFilter, nullTypeTraits, nullIntrospector);
     }
 
+    public boolean isSecondaryNoIncrementalMaintenance() {
+        return isSecondaryNoIncrementalMaintenance;
+    }
+
     @Override
     public JsonNode toJson(IPersistedResourceRegistry registry) throws HyracksDataException {
         final ObjectNode jsonObject = registry.getClassIdentifier(getClass(), serialVersionUID);
@@ -131,8 +139,10 @@
         final JsonNode compressorDecompressorNode = json.get("compressorDecompressorFactory");
         final ICompressorDecompressorFactory compDecompFactory = (ICompressorDecompressorFactory) registry
                 .deserializeOrDefault(compressorDecompressorNode, NoOpCompressorDecompressorFactory.class);
+        boolean isSecondaryNoIncrementalMaintenance =
+                getOrDefaultBoolean(json, "isSecondaryNoIncrementalMaintenance", false);
         return new LSMBTreeLocalResource(registry, json, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary,
-                btreeFields, compDecompFactory, hasBloomFilter);
+                btreeFields, compDecompFactory, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 
     @Override
@@ -145,13 +155,16 @@
         json.put("isPrimary", isPrimary);
         json.putPOJO("btreeFields", btreeFields);
         json.putPOJO("compressorDecompressorFactory", compressorDecompressorFactory.toJson(registry));
+        json.put("isSecondaryNoIncrementalMaintenance", isSecondaryNoIncrementalMaintenance);
     }
 
     private static boolean getOrDefaultHasBloomFilter(JsonNode json, boolean isPrimary) {
-        if (json.has(HAS_BLOOM_FILTER_FIELD)) {
-            return json.get(HAS_BLOOM_FILTER_FIELD).asBoolean();
-        }
-        // for backward compatibiliy, only primary indexes have bloom filters
-        return isPrimary;
+        // for backward compatibility, only primary indexes have bloom filters
+        return getOrDefaultBoolean(json, HAS_BLOOM_FILTER_FIELD, isPrimary);
     }
+
+    private static boolean getOrDefaultBoolean(JsonNode jsonNode, String fieldName, boolean defaultValue) {
+        return jsonNode.has(fieldName) ? jsonNode.get(fieldName).asBoolean() : defaultValue;
+    }
+
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResourceFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResourceFactory.java
index e926a48..6695e90 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResourceFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeLocalResourceFactory.java
@@ -48,6 +48,7 @@
     protected final boolean isPrimary;
     protected final int[] btreeFields;
     protected final ICompressorDecompressorFactory compressorDecompressorFactory;
+    protected final boolean isSecondaryNoIncrementalMaintenance;
 
     public LSMBTreeLocalResourceFactory(IStorageManager storageManager, ITypeTraits[] typeTraits,
             IBinaryComparatorFactory[] cmpFactories, ITypeTraits[] filterTypeTraits,
@@ -59,7 +60,8 @@
             Map<String, String> mergePolicyProperties, boolean durable, int[] bloomFilterKeyFields,
             double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields,
             ICompressorDecompressorFactory compressorDecompressorFactory, boolean hasBloomFilter,
-            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector) {
+            ITypeTraits nullTypeTraits, INullIntrospector nullIntrospector,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(storageManager, typeTraits, cmpFactories, filterTypeTraits, filterCmpFactories, filterFields,
                 opTrackerFactory, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
                 vbcProvider, ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, durable, nullTypeTraits,
@@ -70,6 +72,7 @@
         this.isPrimary = isPrimary;
         this.btreeFields = btreeFields;
         this.compressorDecompressorFactory = compressorDecompressorFactory;
+        this.isSecondaryNoIncrementalMaintenance = isSecondaryNoIncrementalMaintenance;
     }
 
     @Override
@@ -78,7 +81,8 @@
                 isPrimary, fileRef.getRelativePath(), storageManager, mergePolicyFactory, mergePolicyProperties,
                 filterTypeTraits, filterCmpFactories, btreeFields, filterFields, opTrackerProvider, ioOpCallbackFactory,
                 pageWriteCallbackFactory, metadataPageManagerFactory, vbcProvider, ioSchedulerProvider, durable,
-                compressorDecompressorFactory, hasBloomFilter, nullTypeTraits, nullIntrospector);
+                compressorDecompressorFactory, hasBloomFilter, nullTypeTraits, nullIntrospector,
+                isSecondaryNoIncrementalMaintenance);
     }
 
     private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
index dcb85f6..c73ebee 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
@@ -49,15 +49,17 @@
 public class TestTaskContext implements IHyracksTaskContext {
     private final TestJobletContext jobletContext;
     private final TaskAttemptId taskId;
+    private int partitionCount;
     private WorkspaceFileFactory fileFactory;
     private Map<Object, IStateObject> stateObjectMap = new HashMap<>();
     private Object sharedObject;
     private final IStatsCollector statsCollector = new StatsCollector();
     private final ThreadStats threadStats = new ThreadStats();
 
-    public TestTaskContext(TestJobletContext jobletContext, TaskAttemptId taskId) {
+    public TestTaskContext(TestJobletContext jobletContext, TaskAttemptId taskId, int partitionCount) {
         this.jobletContext = jobletContext;
         this.taskId = taskId;
+        this.partitionCount = partitionCount;
         fileFactory = new WorkspaceFileFactory(this, getIoManager());
     }
 
@@ -129,6 +131,11 @@
     }
 
     @Override
+    public int getPartitionCount() {
+        return partitionCount;
+    }
+
+    @Override
     public synchronized void setStateObject(IStateObject taskState) {
         stateObjectMap.put(taskState.getId(), taskState);
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
index 3f78234..2348a1a 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
@@ -38,7 +38,7 @@
 import org.apache.hyracks.api.dataflow.TaskId;
 import org.apache.hyracks.api.exceptions.HyracksException;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
-import org.apache.hyracks.api.exceptions.Warning;
+import org.apache.hyracks.api.exceptions.NoOpWarningCollector;
 import org.apache.hyracks.api.io.IODeviceHandle;
 import org.apache.hyracks.api.job.JobId;
 import org.apache.hyracks.api.util.CleanupUtils;
@@ -52,22 +52,7 @@
 public class TestUtils {
 
     private static final int DEFAULT_FRAME_SIZE = 32768;
-    public static final IWarningCollector NOOP_WARNING_COLLECTOR = new IWarningCollector() {
-        @Override
-        public void warn(Warning warning) {
-            // no-op
-        }
-
-        @Override
-        public boolean shouldWarn() {
-            return false;
-        }
-
-        @Override
-        public long getTotalWarningsCount() {
-            return 0;
-        }
-    };
+    public static final IWarningCollector NOOP_WARNING_COLLECTOR = NoOpWarningCollector.INSTANCE;
 
     public static IHyracksTaskContext createHyracksTask() {
         return create(DEFAULT_FRAME_SIZE);
@@ -91,7 +76,7 @@
             INCServiceContext serviceCtx = new TestNCServiceContext(ioManager, null);
             TestJobletContext jobletCtx = new TestJobletContext(frameSize, serviceCtx, new JobId(0));
             TaskAttemptId tid = new TaskAttemptId(new TaskId(new ActivityId(new OperatorDescriptorId(0), 0), 0), 0);
-            IHyracksTaskContext taskCtx = new TestTaskContext(jobletCtx, tid);
+            IHyracksTaskContext taskCtx = new TestTaskContext(jobletCtx, tid, 1);
             return taskCtx;
         } catch (HyracksException e) {
             throw new RuntimeException(e);
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResource.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResource.java
index 8e2d6dd..c7d3dff 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResource.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResource.java
@@ -56,19 +56,21 @@
             ILSMOperationTrackerFactory opTrackerProvider, ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILSMPageWriteCallbackFactory pageWriteCallbackFactory,
             IMetadataPageManagerFactory metadataPageManagerFactory, IVirtualBufferCacheProvider vbcProvider,
-            ILSMIOOperationSchedulerProvider ioSchedulerProvider, boolean durable, boolean hasBloomFilter) {
+            ILSMIOOperationSchedulerProvider ioSchedulerProvider, boolean durable, boolean hasBloomFilter,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(typeTraits, cmpFactories, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, path,
                 storageManager, mergePolicyFactory, mergePolicyProperties, filterTypeTraits, filterCmpFactories,
                 btreeFields, filterFields, opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory,
                 metadataPageManagerFactory, vbcProvider, ioSchedulerProvider, durable,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, null, null);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, null, null,
+                isSecondaryNoIncrementalMaintenance);
     }
 
     protected TestLsmBtreeLocalResource(IPersistedResourceRegistry registry, JsonNode json, int[] bloomFilterKeyFields,
-            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter)
-            throws HyracksDataException {
+            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter,
+            boolean isSecondaryNoIncrementalMaintenance) throws HyracksDataException {
         super(registry, json, bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, btreeFields,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 
     @Override
@@ -107,7 +109,8 @@
         final boolean isPrimary = json.get("isPrimary").asBoolean();
         final boolean hasBloomFilter = json.get("hasBloomFilter").asBoolean();
         final int[] btreeFields = OBJECT_MAPPER.convertValue(json.get("btreeFields"), int[].class);
+        boolean isSecondaryNoIncrementalMaintenance = json.get("isSecondaryNoIncrementalMaintenance").asBoolean();
         return new TestLsmBtreeLocalResource(registry, json, bloomFilterKeyFields, bloomFilterFalsePositiveRate,
-                isPrimary, btreeFields, hasBloomFilter);
+                isPrimary, btreeFields, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResourceFactory.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResourceFactory.java
index 7d9b24a..48adf91 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResourceFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/impl/TestLsmBtreeLocalResourceFactory.java
@@ -46,12 +46,14 @@
             IMetadataPageManagerFactory metadataPageManagerFactory, IVirtualBufferCacheProvider vbcProvider,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, ILSMMergePolicyFactory mergePolicyFactory,
             Map<String, String> mergePolicyProperties, boolean durable, int[] bloomFilterKeyFields,
-            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter) {
+            double bloomFilterFalsePositiveRate, boolean isPrimary, int[] btreeFields, boolean hasBloomFilter,
+            boolean isSecondaryNoIncrementalMaintenance) {
         super(storageManager, typeTraits, cmpFactories, filterTypeTraits, filterCmpFactories, filterFields,
                 opTrackerFactory, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
                 vbcProvider, ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, durable,
                 bloomFilterKeyFields, bloomFilterFalsePositiveRate, isPrimary, btreeFields,
-                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, null, null);
+                NoOpCompressorDecompressorFactory.INSTANCE, hasBloomFilter, null, null,
+                isSecondaryNoIncrementalMaintenance);
     }
 
     @Override
@@ -60,6 +62,6 @@
                 bloomFilterFalsePositiveRate, isPrimary, fileRef.getRelativePath(), storageManager, mergePolicyFactory,
                 mergePolicyProperties, filterTypeTraits, filterCmpFactories, btreeFields, filterFields,
                 opTrackerProvider, ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
-                vbcProvider, ioSchedulerProvider, durable, hasBloomFilter);
+                vbcProvider, ioSchedulerProvider, durable, hasBloomFilter, isSecondaryNoIncrementalMaintenance);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
index aa9cd5a..144f1ad 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
@@ -740,6 +740,11 @@
         }
 
         @Override
+        public int getPartitionCount() {
+            return 1;
+        }
+
+        @Override
         public ICounterContext getCounterContext() {
             return null;
         }