diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
index af503a6..28e91ca 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
@@ -16,6 +16,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.config.AsterixStorageProperties;
 import edu.uci.ics.asterix.common.context.AsterixVirtualBufferCacheProvider;
@@ -69,6 +70,7 @@
 import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexDataflowHelperFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexSearchOperatorDescriptor;
@@ -216,18 +218,20 @@
             IIndexDataflowHelperFactory dataflowHelperFactory;
 
             AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, metadataProvider.getMetadataTxnContext());
             if (!isPartitioned) {
                 dataflowHelperFactory = new LSMInvertedIndexDataflowHelperFactory(
-                        new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new SecondaryIndexOperationTrackerProvider(
-                                dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                        compactionInfo.second, new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMInvertedIndexIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate());
             } else {
                 dataflowHelperFactory = new PartitionedLSMInvertedIndexDataflowHelperFactory(
-                        new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new SecondaryIndexOperationTrackerProvider(
-                                dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                        compactionInfo.second, new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMInvertedIndexIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate());
             }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
index 6f92d3a..7b12550 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
@@ -28,6 +28,7 @@
 import edu.uci.ics.asterix.aql.base.Expression.Kind;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -1430,4 +1431,11 @@
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public Pair<ILogicalOperator, LogicalVariable> visitCompactStatement(CompactStatement del,
+            Mutable<ILogicalOperator> arg) throws AsterixException {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
index d1f8053..4d11dbd 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
@@ -28,6 +28,7 @@
 import edu.uci.ics.asterix.aql.base.Expression.Kind;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -1448,4 +1449,11 @@
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public Pair<ILogicalOperator, LogicalVariable> visitCompactStatement(CompactStatement del,
+            Mutable<ILogicalOperator> arg) throws AsterixException {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/CompiledStatements.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/CompiledStatements.java
index 36f0824..d9aa047 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/CompiledStatements.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/CompiledStatements.java
@@ -39,7 +39,6 @@
 import edu.uci.ics.asterix.common.functions.FunctionSignature;
 import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
-import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.types.ARecordType;
 import edu.uci.ics.asterix.om.types.IAType;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -458,8 +457,8 @@
             LiteralExpr argumentLiteral = new LiteralExpr(new StringLiteral(arg));
             arguments.add(argumentLiteral);
 
-            CallExpr callExpression = new CallExpr(new FunctionSignature(
-                    FunctionConstants.ASTERIX_NS, "dataset", 1), arguments);
+            CallExpr callExpression = new CallExpr(new FunctionSignature(FunctionConstants.ASTERIX_NS, "dataset", 1),
+                    arguments);
             List<Clause> clauseList = new ArrayList<Clause>();
             Clause forClause = new ForClause(var, callExpression);
             clauseList.add(forClause);
@@ -498,4 +497,61 @@
 
     }
 
+    public static class CompiledCompactStatement implements ICompiledStatement {
+        private final String dataverseName;
+        private final String datasetName;
+
+        public CompiledCompactStatement(String dataverseName, String datasetName) {
+            this.dataverseName = dataverseName;
+            this.datasetName = datasetName;
+        }
+
+        public String getDataverseName() {
+            return dataverseName;
+        }
+
+        public String getDatasetName() {
+            return datasetName;
+        }
+
+        @Override
+        public Kind getKind() {
+            return Kind.COMPACT;
+        }
+    }
+
+    public static class CompiledIndexCompactStatement extends CompiledCompactStatement {
+        private final String indexName;
+        private final List<String> keyFields;
+        private final IndexType indexType;
+
+        // Specific to NGram index.
+        private final int gramLength;
+
+        public CompiledIndexCompactStatement(String dataverseName, String datasetName, String indexName,
+                List<String> keyFields, int gramLength, IndexType indexType) {
+            super(dataverseName, datasetName);
+            this.indexName = indexName;
+            this.keyFields = keyFields;
+            this.gramLength = gramLength;
+            this.indexType = indexType;
+        }
+
+        public String getIndexName() {
+            return indexName;
+        }
+
+        public List<String> getKeyFields() {
+            return keyFields;
+        }
+
+        public IndexType getIndexType() {
+            return indexType;
+        }
+
+        public int getGramLength() {
+            return gramLength;
+        }
+    }
+
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContext.java b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContext.java
index 18a81e5..16e3c14 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContext.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContext.java
@@ -27,12 +27,12 @@
 import edu.uci.ics.asterix.common.config.AsterixTransactionProperties;
 import edu.uci.ics.asterix.common.config.IAsterixPropertiesProvider;
 import edu.uci.ics.asterix.common.context.AsterixFileMapManager;
-import edu.uci.ics.asterix.common.context.ConstantMergePolicy;
 import edu.uci.ics.asterix.common.context.DatasetLifecycleManager;
 import edu.uci.ics.asterix.common.exceptions.ACIDException;
 import edu.uci.ics.asterix.common.exceptions.AsterixException;
 import edu.uci.ics.asterix.common.transactions.IAsterixAppRuntimeContextProvider;
 import edu.uci.ics.asterix.common.transactions.ITransactionSubsystem;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
 import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceRepository;
 import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceRepositoryFactory;
 import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
@@ -43,10 +43,11 @@
 import edu.uci.ics.hyracks.api.lifecycle.LifeCycleComponentManager;
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AsynchronousScheduler;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.PrefixMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.common.buffercache.BufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
 import edu.uci.ics.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
@@ -65,6 +66,7 @@
 public class AsterixAppRuntimeContext implements IAsterixAppRuntimeContext, IAsterixPropertiesProvider {
     private static final int METADATA_IO_DEVICE_ID = 0;
 
+    private ILSMMergePolicyFactory metadataMergePolicyFactory;
     private final INCApplicationContext ncApplicationContext;
 
     private AsterixCompilerProperties compilerProperties;
@@ -78,7 +80,6 @@
     private IBufferCache bufferCache;
     private ITransactionSubsystem txnSubsystem;
 
-    private ILSMMergePolicy mergePolicy;
     private ILSMIOOperationScheduler lsmIOScheduler;
     private ILocalResourceRepository localResourceRepository;
     private ResourceIdFactory resourceIdFactory;
@@ -110,14 +111,16 @@
 
         AsynchronousScheduler.INSTANCE.init(ncApplicationContext.getThreadFactory());
         lsmIOScheduler = AsynchronousScheduler.INSTANCE;
-        mergePolicy = new ConstantMergePolicy(storageProperties.getLSMIndexMergeThreshold(), this);
+
+        metadataMergePolicyFactory = new PrefixMergePolicyFactory();
 
         ILocalResourceRepositoryFactory persistentLocalResourceRepositoryFactory = new PersistentLocalResourceRepositoryFactory(
                 ioManager);
         localResourceRepository = (PersistentLocalResourceRepository) persistentLocalResourceRepositoryFactory
                 .createRepository();
         resourceIdFactory = (new ResourceIdFactoryProvider(localResourceRepository)).createResourceIdFactory();
-        indexLifecycleManager = new DatasetLifecycleManager(storageProperties, localResourceRepository);
+        indexLifecycleManager = new DatasetLifecycleManager(storageProperties, localResourceRepository,
+                MetadataPrimaryIndexes.FIRST_AVAILABLE_USER_DATASET_ID);
         IAsterixAppRuntimeContextProvider asterixAppRuntimeContextProvider = new AsterixAppRuntimeContextProviderForRecovery(
                 this);
         txnSubsystem = new TransactionSubsystem(ncApplicationContext.getNodeId(), asterixAppRuntimeContextProvider,
@@ -160,10 +163,6 @@
         return indexLifecycleManager;
     }
 
-    public ILSMMergePolicy getLSMMergePolicy() {
-        return mergePolicy;
-    }
-
     public double getBloomFilterFalsePositiveRate() {
         return storageProperties.getBloomFilterFalsePositiveRate();
     }
@@ -222,4 +221,10 @@
     public ILSMOperationTracker getLSMBTreeOperationTracker(int datasetID) {
         return indexLifecycleManager.getOperationTracker(datasetID);
     }
+
+    @Override
+    public ILSMMergePolicyFactory getMetadataMergePolicyFactory() {
+        return metadataMergePolicyFactory;
+    }
+
 }
\ No newline at end of file
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContextProviderForRecovery.java b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContextProviderForRecovery.java
index b528381..18d004c 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContextProviderForRecovery.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/AsterixAppRuntimeContextProviderForRecovery.java
@@ -16,12 +16,12 @@
 
 import java.util.List;
 
+import edu.uci.ics.asterix.common.api.IAsterixAppRuntimeContext;
 import edu.uci.ics.asterix.common.transactions.IAsterixAppRuntimeContextProvider;
 import edu.uci.ics.asterix.common.transactions.ITransactionSubsystem;
 import edu.uci.ics.hyracks.api.io.IIOManager;
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
@@ -63,11 +63,6 @@
     }
 
     @Override
-    public ILSMMergePolicy getLSMMergePolicy() {
-        return asterixAppRuntimeContext.getLSMMergePolicy();
-    }
-
-    @Override
     public ILSMIOOperationScheduler getLSMIOScheduler() {
         return asterixAppRuntimeContext.getLSMIOScheduler();
     }
@@ -96,4 +91,9 @@
     public ILSMOperationTracker getLSMBTreeOperationTracker(int datasetID) {
         return asterixAppRuntimeContext.getLSMBTreeOperationTracker(datasetID);
     }
+
+    @Override
+    public IAsterixAppRuntimeContext getAppContext() {
+        return asterixAppRuntimeContext;
+    }
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/api/http/servlet/UpdateAPIServlet.java b/asterix-app/src/main/java/edu/uci/ics/asterix/api/http/servlet/UpdateAPIServlet.java
index cb1e9ad..772fad6 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/api/http/servlet/UpdateAPIServlet.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/api/http/servlet/UpdateAPIServlet.java
@@ -32,7 +32,7 @@
     protected List<Statement.Kind> getAllowedStatements() {
         Kind[] statementsArray = { Kind.DATAVERSE_DECL, Kind.DELETE, Kind.INSERT, Kind.UPDATE,
                 Kind.DML_CMD_LIST, Kind.LOAD_FROM_FILE, Kind.BEGIN_FEED,
-                Kind.CONTROL_FEED };
+                Kind.CONTROL_FEED, Kind.COMPACT };
         return Arrays.asList(statementsArray);
     }
 
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
index f22d2fb..929465a 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
@@ -33,6 +33,7 @@
 import edu.uci.ics.asterix.api.common.SessionConfig;
 import edu.uci.ics.asterix.aql.base.Statement;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -74,7 +75,9 @@
 import edu.uci.ics.asterix.metadata.MetadataManager;
 import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
 import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
 import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
 import edu.uci.ics.asterix.metadata.entities.Dataverse;
@@ -97,6 +100,7 @@
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledDatasetDropStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledDeleteStatement;
+import edu.uci.ics.asterix.translator.CompiledStatements.CompiledIndexCompactStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledIndexDropStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledInsertStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledLoadFromFileStatement;
@@ -116,6 +120,7 @@
 import edu.uci.ics.hyracks.api.job.JobId;
 import edu.uci.ics.hyracks.api.job.JobSpecification;
 import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 /*
  * Provides functionality for executing a batch of AQL statements (queries included)
@@ -273,6 +278,11 @@
                     break;
                 }
 
+                case COMPACT: {
+                    handleCompactStatement(metadataProvider, stmt, hcc);
+                    break;
+                }
+
                 case WRITE: {
                     Pair<IAWriterFactory, FileSplit> result = handleWriteStatement(metadataProvider, stmt);
                     if (result.first != null) {
@@ -359,6 +369,23 @@
         }
     }
 
+    private void validateCompactionPolicy(String compactionPolicy, Map<String, String> compactionPolicyProperties,
+            MetadataTransactionContext mdTxnCtx) throws AsterixException, Exception {
+        CompactionPolicy compactionPolicyEntity = MetadataManager.INSTANCE.getCompactionPolicy(mdTxnCtx,
+                MetadataConstants.METADATA_DATAVERSE_NAME, compactionPolicy);
+        if (compactionPolicyEntity == null) {
+            throw new AsterixException("Unknown compaction policy :" + compactionPolicy);
+        }
+        String compactionPolicyFactoryClassName = compactionPolicyEntity.getClassName();
+        ILSMMergePolicyFactory mergePolicyFactory = (ILSMMergePolicyFactory) Class.forName(
+                compactionPolicyFactoryClassName).newInstance();
+        for (Map.Entry<String, String> entry : compactionPolicyProperties.entrySet()) {
+            if (!mergePolicyFactory.getPropertiesNames().contains(entry.getKey())) {
+                throw new AsterixException("Invalid compaction policy property :" + entry.getKey());
+            }
+        }
+    }
+
     private void handleCreateDatasetStatement(AqlMetadataProvider metadataProvider, Statement stmt,
             IHyracksClientConnection hcc) throws AsterixException, Exception {
 
@@ -406,9 +433,18 @@
                     ARecordType aRecordType = (ARecordType) itemType;
                     aRecordType.validatePartitioningExpressions(partitioningExprs);
                     String ngName = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+                    String compactionPolicy = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getCompactionPolicy();
+                    Map<String, String> compactionPolicyProperties = ((InternalDetailsDecl) dd.getDatasetDetailsDecl())
+                            .getCompactionPolicyProperties();
+                    if (compactionPolicy == null) {
+                        compactionPolicy = GlobalConfig.DEFAULT_COMPACTION_POLICY_NAME;
+                        compactionPolicyProperties = GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES;
+                    } else {
+                        validateCompactionPolicy(compactionPolicy, compactionPolicyProperties, mdTxnCtx);
+                    }
                     datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
                             InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
-                            ngName);
+                            ngName, compactionPolicy, compactionPolicyProperties);
                     break;
                 }
                 case EXTERNAL: {
@@ -431,9 +467,20 @@
                     Map<String, String> configuration = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
                             .getConfiguration();
                     FunctionSignature signature = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getFunctionSignature();
+                    String compactionPolicy = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getCompactionPolicy();
+                    Map<String, String> compactionPolicyProperties = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
+                            .getCompactionPolicyProperties();
+                    if (compactionPolicy == null) {
+                        compactionPolicy = GlobalConfig.DEFAULT_COMPACTION_POLICY_NAME;
+                        compactionPolicyProperties = GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES;
+                    } else {
+                        validateCompactionPolicy(compactionPolicy, compactionPolicyProperties, mdTxnCtx);
+                    }
                     datasetDetails = new FeedDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
                             InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
-                            ngName, adapter, configuration, signature, FeedDatasetDetails.FeedState.INACTIVE.toString());
+                            ngName, adapter, configuration, signature,
+                            FeedDatasetDetails.FeedState.INACTIVE.toString(), compactionPolicy,
+                            compactionPolicyProperties);
                     break;
                 }
             }
@@ -1339,6 +1386,60 @@
         }
     }
 
+    private void handleCompactStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+            IHyracksClientConnection hcc) throws Exception {
+        MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+        boolean bActiveTxn = true;
+        metadataProvider.setMetadataTxnContext(mdTxnCtx);
+        acquireReadLatch();
+
+        String dataverseName = null;
+        String datasetName = null;
+        List<JobSpecification> jobsToExecute = new ArrayList<JobSpecification>();
+        try {
+            CompactStatement compactStatement = (CompactStatement) stmt;
+            dataverseName = getActiveDataverseName(compactStatement.getDataverseName());
+            datasetName = compactStatement.getDatasetName().getValue();
+
+            Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+            if (ds == null) {
+                throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+                        + dataverseName + ".");
+            } else if (ds.getDatasetType() != DatasetType.INTERNAL && ds.getDatasetType() != DatasetType.FEED) {
+                throw new AlgebricksException("Cannot compact the extrenal dataset " + datasetName + ".");
+            }
+
+            // Prepare jobs to compact the datatset and its indexes
+            List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
+            for (int j = 0; j < indexes.size(); j++) {
+                if (indexes.get(j).isSecondaryIndex()) {
+                    CompiledIndexCompactStatement cics = new CompiledIndexCompactStatement(dataverseName, datasetName,
+                            indexes.get(j).getIndexName(), indexes.get(j).getKeyFieldNames(), indexes.get(j)
+                                    .getGramLength(), indexes.get(j).getIndexType());
+                    jobsToExecute.add(IndexOperations.buildSecondaryIndexCompactJobSpec(cics, metadataProvider, ds));
+                }
+            }
+            Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(),
+                    dataverseName);
+            jobsToExecute.add(DatasetOperations.compactDatasetJobSpec(dataverse, datasetName, metadataProvider));
+
+            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+            bActiveTxn = false;
+
+            //#. run the jobs
+            for (JobSpecification jobSpec : jobsToExecute) {
+                runJob(hcc, jobSpec, true);
+            }
+        } catch (Exception e) {
+            if (bActiveTxn) {
+                abort(e, e, mdTxnCtx);
+            }
+            throw e;
+        } finally {
+            releaseReadLatch();
+        }
+    }
+
     private QueryResult handleQuery(AqlMetadataProvider metadataProvider, Query query, IHyracksClientConnection hcc,
             IHyracksDataset hdc, boolean asyncResults) throws Exception {
 
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
index ccc5e85..a0aa9b5 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
@@ -19,6 +19,7 @@
 import java.io.IOException;
 import java.rmi.RemoteException;
 import java.util.List;
+import java.util.Map;
 import java.util.logging.Logger;
 
 import edu.uci.ics.asterix.api.common.Job;
@@ -83,6 +84,8 @@
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMTreeIndexCompactOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 import edu.uci.ics.hyracks.storage.common.file.LocalResource;
 
@@ -123,10 +126,12 @@
                 .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(), datasetName,
                         datasetName);
         AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadataProvider.getMetadataTxnContext());
         IndexDropOperatorDescriptor primaryBtreeDrop = new IndexDropOperatorDescriptor(specPrimary,
                 AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                 splitsAndConstraint.first, new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
-                        dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        dataset.getDatasetId()), compactionInfo.first, compactionInfo.second,
                         new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                         AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMBTreeIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate()));
@@ -167,10 +172,13 @@
         }
         LOGGER.info("CREATING File Splits: " + sb.toString());
 
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadata.getMetadataTxnContext());
         AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
         //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
         ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(typeTraits,
-                comparatorFactories, blooFilterKeyFields, true, dataset.getDatasetId());
+                comparatorFactories, blooFilterKeyFields, true, dataset.getDatasetId(), compactionInfo.first,
+                compactionInfo.second);
         ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
                 localResourceMetadata, LocalResource.LSMBTreeResource);
 
@@ -178,8 +186,8 @@
                 AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                 splitsAndConstraint.first, typeTraits, comparatorFactories, blooFilterKeyFields,
                 new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new PrimaryIndexOperationTrackerProvider(
-                                dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        compactionInfo.first, compactionInfo.second, new PrimaryIndexOperationTrackerProvider(dataset
+                                .getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMBTreeIOOperationCallbackFactory.INSTANCE, storageProperties
                                 .getBloomFilterFalsePositiveRate()), localResourceFactoryProvider,
                 NoOpOperationCallbackFactory.INSTANCE);
@@ -257,15 +265,16 @@
         long numElementsHint = metadataProvider.getCardinalityPerPartitionHint(dataset);
         AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
         TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad;
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadataProvider.getMetadataTxnContext());
         if (!loadStmt.alreadySorted()) {
             btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
                     AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                     AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, splitsAndConstraint.first, typeTraits,
                     comparatorFactories, blooFilterKeyFields, fieldPermutation, GlobalConfig.DEFAULT_BTREE_FILL_FACTOR,
                     true, numElementsHint, true, new LSMBTreeDataflowHelperFactory(
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                            compactionInfo.second, new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                             AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMBTreeIOOperationCallbackFactory.INSTANCE,
                             storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
@@ -289,9 +298,8 @@
                     AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, splitsAndConstraint.first, typeTraits,
                     comparatorFactories, blooFilterKeyFields, fieldPermutation, GlobalConfig.DEFAULT_BTREE_FILL_FACTOR,
                     true, numElementsHint, true, new LSMBTreeDataflowHelperFactory(
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                            compactionInfo.second, new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                             AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMBTreeIOOperationCallbackFactory.INSTANCE,
                             storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
@@ -359,4 +367,48 @@
         }
         return new RecordDescriptor(recordFields);
     }
+
+    public static JobSpecification compactDatasetJobSpec(Dataverse dataverse, String datasetName,
+            AqlMetadataProvider metadata) throws AsterixException, AlgebricksException {
+        String dataverseName = dataverse.getDataverseName();
+        IDataFormat format;
+        try {
+            format = (IDataFormat) Class.forName(dataverse.getDataFormat()).newInstance();
+        } catch (Exception e) {
+            throw new AsterixException(e);
+        }
+        Dataset dataset = metadata.findDataset(dataverseName, datasetName);
+        if (dataset == null) {
+            throw new AsterixException("Could not find dataset " + datasetName + " in datavetse " + dataverseName);
+        }
+        ARecordType itemType = (ARecordType) metadata.findType(dataverseName, dataset.getItemTypeName());
+        JobSpecification spec = JobSpecificationUtils.createJobSpecification();
+        IBinaryComparatorFactory[] comparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(dataset,
+                itemType, format.getBinaryComparatorFactoryProvider());
+        ITypeTraits[] typeTraits = DatasetUtils.computeTupleTypeTraits(dataset, itemType);
+        int[] blooFilterKeyFields = DatasetUtils.createBloomFilterKeyFields(dataset);
+
+        Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadata
+                .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName, datasetName);
+
+        AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
+
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadata.getMetadataTxnContext());
+        LSMTreeIndexCompactOperatorDescriptor compactOp = new LSMTreeIndexCompactOperatorDescriptor(spec,
+                AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                splitsAndConstraint.first, typeTraits, comparatorFactories, blooFilterKeyFields,
+                new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
+                        compactionInfo.first, compactionInfo.second, new PrimaryIndexOperationTrackerProvider(
+                                dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        LSMBTreeIOOperationCallbackFactory.INSTANCE,
+                        storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
+        AlgebricksPartitionConstraintHelper
+                .setPartitionConstraintInJobSpec(spec, compactOp, splitsAndConstraint.second);
+
+        AlgebricksPartitionConstraintHelper
+                .setPartitionConstraintInJobSpec(spec, compactOp, splitsAndConstraint.second);
+        spec.addRoot(compactOp);
+        return spec;
+    }
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
index bf31db7..3584993 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
@@ -14,6 +14,8 @@
  */
 package edu.uci.ics.asterix.file;
 
+import java.util.Map;
+
 import edu.uci.ics.asterix.common.config.AsterixStorageProperties;
 import edu.uci.ics.asterix.common.config.OptimizationConfUtil;
 import edu.uci.ics.asterix.common.context.AsterixVirtualBufferCacheProvider;
@@ -22,10 +24,12 @@
 import edu.uci.ics.asterix.metadata.MetadataException;
 import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
+import edu.uci.ics.asterix.metadata.utils.DatasetUtils;
 import edu.uci.ics.asterix.om.util.AsterixAppContextInfo;
 import edu.uci.ics.asterix.transaction.management.opcallbacks.SecondaryIndexOperationTrackerProvider;
 import edu.uci.ics.asterix.transaction.management.service.transaction.AsterixRuntimeComponentsProvider;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
+import edu.uci.ics.asterix.translator.CompiledStatements.CompiledIndexCompactStatement;
 import edu.uci.ics.asterix.translator.CompiledStatements.CompiledIndexDropStatement;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
@@ -36,6 +40,7 @@
 import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 public class IndexOperations {
 
@@ -44,16 +49,22 @@
 
     public static JobSpecification buildSecondaryIndexCreationJobSpec(CompiledCreateIndexStatement createIndexStmt,
             AqlMetadataProvider metadataProvider) throws AsterixException, AlgebricksException {
-        SecondaryIndexCreator secondaryIndexCreator = SecondaryIndexCreator.createIndexCreator(createIndexStmt,
-                metadataProvider, physicalOptimizationConfig);
-        return secondaryIndexCreator.buildCreationJobSpec();
+        SecondaryIndexOperationsHelper secondaryIndexHelper = SecondaryIndexOperationsHelper
+                .createIndexOperationsHelper(createIndexStmt.getIndexType(), createIndexStmt.getDataverseName(),
+                        createIndexStmt.getDatasetName(), createIndexStmt.getIndexName(),
+                        createIndexStmt.getKeyFields(), createIndexStmt.getGramLength(), metadataProvider,
+                        physicalOptimizationConfig);
+        return secondaryIndexHelper.buildCreationJobSpec();
     }
 
     public static JobSpecification buildSecondaryIndexLoadingJobSpec(CompiledCreateIndexStatement createIndexStmt,
             AqlMetadataProvider metadataProvider) throws AsterixException, AlgebricksException {
-        SecondaryIndexCreator secondaryIndexCreator = SecondaryIndexCreator.createIndexCreator(createIndexStmt,
-                metadataProvider, physicalOptimizationConfig);
-        return secondaryIndexCreator.buildLoadingJobSpec();
+        SecondaryIndexOperationsHelper secondaryIndexHelper = SecondaryIndexOperationsHelper
+                .createIndexOperationsHelper(createIndexStmt.getIndexType(), createIndexStmt.getDataverseName(),
+                        createIndexStmt.getDatasetName(), createIndexStmt.getIndexName(),
+                        createIndexStmt.getKeyFields(), createIndexStmt.getGramLength(), metadataProvider,
+                        physicalOptimizationConfig);
+        return secondaryIndexHelper.buildLoadingJobSpec();
     }
 
     public static JobSpecification buildDropSecondaryIndexJobSpec(CompiledIndexDropStatement indexDropStmt,
@@ -67,10 +78,12 @@
         Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadataProvider
                 .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName, indexName);
         AsterixStorageProperties storageProperties = AsterixAppContextInfo.getInstance().getStorageProperties();
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadataProvider.getMetadataTxnContext());
         IndexDropOperatorDescriptor btreeDrop = new IndexDropOperatorDescriptor(spec,
                 AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                 splitsAndConstraint.first, new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
-                        dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        dataset.getDatasetId()), compactionInfo.first, compactionInfo.second,
                         new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                         AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMBTreeIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate()));
@@ -80,4 +93,14 @@
 
         return spec;
     }
+
+    public static JobSpecification buildSecondaryIndexCompactJobSpec(CompiledIndexCompactStatement indexCompactStmt,
+            AqlMetadataProvider metadataProvider, Dataset dataset) throws AsterixException, AlgebricksException {
+        SecondaryIndexOperationsHelper secondaryIndexHelper = SecondaryIndexOperationsHelper
+                .createIndexOperationsHelper(indexCompactStmt.getIndexType(), indexCompactStmt.getDataverseName(),
+                        indexCompactStmt.getDatasetName(), indexCompactStmt.getIndexName(),
+                        indexCompactStmt.getKeyFields(), indexCompactStmt.getGramLength(), metadataProvider,
+                        physicalOptimizationConfig);
+        return secondaryIndexHelper.buildCompactJobSpec();
+    }
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeOperationsHelper.java
similarity index 79%
rename from asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java
rename to asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeOperationsHelper.java
index 3ae5f6d..ebebbdd 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeOperationsHelper.java
@@ -39,12 +39,13 @@
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMTreeIndexCompactOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 import edu.uci.ics.hyracks.storage.common.file.LocalResource;
 
-public class SecondaryBTreeCreator extends SecondaryIndexCreator {
+public class SecondaryBTreeOperationsHelper extends SecondaryIndexOperationsHelper {
 
-    protected SecondaryBTreeCreator(PhysicalOptimizationConfig physOptConf,
+    protected SecondaryBTreeOperationsHelper(PhysicalOptimizationConfig physOptConf,
             IAsterixPropertiesProvider propertiesProvider) {
         super(physOptConf, propertiesProvider);
     }
@@ -57,7 +58,7 @@
         //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
         ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(
                 secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, secondaryBloomFilterKeyFields, true,
-                dataset.getDatasetId());
+                dataset.getDatasetId(), mergePolicyFactory, mergePolicyFactoryProperties);
         ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
                 localResourceMetadata, LocalResource.LSMBTreeResource);
 
@@ -65,7 +66,7 @@
                 AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                 secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
                 secondaryBloomFilterKeyFields, new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
-                        dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                        dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
                         new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                         AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMBTreeIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate()), localResourceFactoryProvider,
@@ -105,7 +106,7 @@
                 spec,
                 numSecondaryKeys,
                 new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new SecondaryIndexOperationTrackerProvider(
+                        mergePolicyFactory, mergePolicyFactoryProperties, new SecondaryIndexOperationTrackerProvider(
                                 dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMBTreeIOOperationCallbackFactory.INSTANCE, storageProperties
                                 .getBloomFilterFalsePositiveRate()), BTree.DEFAULT_FILL_FACTOR);
@@ -124,4 +125,24 @@
         spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
         return spec;
     }
+
+    @Override
+    public JobSpecification buildCompactJobSpec() throws AsterixException, AlgebricksException {
+        JobSpecification spec = JobSpecificationUtils.createJobSpecification();
+
+        AsterixStorageProperties storageProperties = propertiesProvider.getStorageProperties();
+        LSMTreeIndexCompactOperatorDescriptor compactOp = new LSMTreeIndexCompactOperatorDescriptor(spec,
+                AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
+                secondaryBloomFilterKeyFields, new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
+                        dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
+                        new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMBTreeIOOperationCallbackFactory.INSTANCE,
+                        storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
+        AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, compactOp,
+                secondaryPartitionConstraint);
+        spec.addRoot(compactOp);
+        spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
+        return spec;
+    }
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexOperationsHelper.java
similarity index 89%
rename from asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java
rename to asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexOperationsHelper.java
index 9f80568..5ce62d7 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexOperationsHelper.java
@@ -18,9 +18,11 @@
 import java.io.DataOutput;
 import java.io.IOException;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.config.AsterixStorageProperties;
 import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
+import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
 import edu.uci.ics.asterix.common.config.IAsterixPropertiesProvider;
 import edu.uci.ics.asterix.common.context.AsterixVirtualBufferCacheProvider;
 import edu.uci.ics.asterix.common.context.ITransactionSubsystemProvider;
@@ -49,7 +51,6 @@
 import edu.uci.ics.asterix.transaction.management.opcallbacks.PrimaryIndexOperationTrackerProvider;
 import edu.uci.ics.asterix.transaction.management.service.transaction.AsterixRuntimeComponentsProvider;
 import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
-import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -85,12 +86,13 @@
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 @SuppressWarnings("rawtypes")
 // TODO: We should eventually have a hierarchy of classes that can create all
 // possible index job specs,
 // not just for creation.
-public abstract class SecondaryIndexCreator {
+public abstract class SecondaryIndexOperationsHelper {
     protected final PhysicalOptimizationConfig physOptConf;
 
     protected int numPrimaryKeys;
@@ -118,54 +120,60 @@
     protected ICopyEvaluatorFactory[] secondaryFieldAccessEvalFactories;
 
     protected IAsterixPropertiesProvider propertiesProvider;
+    protected ILSMMergePolicyFactory mergePolicyFactory;
+    protected Map<String, String> mergePolicyFactoryProperties;
 
     // Prevent public construction. Should be created via createIndexCreator().
-    protected SecondaryIndexCreator(PhysicalOptimizationConfig physOptConf,
+    protected SecondaryIndexOperationsHelper(PhysicalOptimizationConfig physOptConf,
             IAsterixPropertiesProvider propertiesProvider) {
         this.physOptConf = physOptConf;
         this.propertiesProvider = propertiesProvider;
     }
 
-    public static SecondaryIndexCreator createIndexCreator(CompiledCreateIndexStatement createIndexStmt,
+    public static SecondaryIndexOperationsHelper createIndexOperationsHelper(IndexType indexType, String dataverseName,
+            String datasetName, String indexName, List<String> secondaryKeyFields, int gramLength,
             AqlMetadataProvider metadataProvider, PhysicalOptimizationConfig physOptConf) throws AsterixException,
             AlgebricksException {
         IAsterixPropertiesProvider asterixPropertiesProvider = AsterixAppContextInfo.getInstance();
-        SecondaryIndexCreator indexCreator = null;
-        switch (createIndexStmt.getIndexType()) {
+        SecondaryIndexOperationsHelper indexOperationsHelper = null;
+        switch (indexType) {
             case BTREE: {
-                indexCreator = new SecondaryBTreeCreator(physOptConf, asterixPropertiesProvider);
+                indexOperationsHelper = new SecondaryBTreeOperationsHelper(physOptConf, asterixPropertiesProvider);
                 break;
             }
             case RTREE: {
-                indexCreator = new SecondaryRTreeCreator(physOptConf, asterixPropertiesProvider);
+                indexOperationsHelper = new SecondaryRTreeOperationsHelper(physOptConf, asterixPropertiesProvider);
                 break;
             }
             case SINGLE_PARTITION_WORD_INVIX:
             case SINGLE_PARTITION_NGRAM_INVIX:
             case LENGTH_PARTITIONED_WORD_INVIX:
             case LENGTH_PARTITIONED_NGRAM_INVIX: {
-                indexCreator = new SecondaryInvertedIndexCreator(physOptConf, asterixPropertiesProvider);
+                indexOperationsHelper = new SecondaryInvertedIndexOperationsHelper(physOptConf,
+                        asterixPropertiesProvider);
                 break;
             }
             default: {
-                throw new AsterixException("Unknown Index Type: " + createIndexStmt.getIndexType());
+                throw new AsterixException("Unknown Index Type: " + indexType);
             }
         }
-        indexCreator.init(createIndexStmt, metadataProvider);
-        return indexCreator;
+        indexOperationsHelper.init(indexType, dataverseName, datasetName, indexName, secondaryKeyFields, gramLength,
+                metadataProvider);
+        return indexOperationsHelper;
     }
 
     public abstract JobSpecification buildCreationJobSpec() throws AsterixException, AlgebricksException;
 
     public abstract JobSpecification buildLoadingJobSpec() throws AsterixException, AlgebricksException;
 
-    protected void init(CompiledCreateIndexStatement createIndexStmt, AqlMetadataProvider metadataProvider)
-            throws AsterixException, AlgebricksException {
+    public abstract JobSpecification buildCompactJobSpec() throws AsterixException, AlgebricksException;
+
+    protected void init(IndexType indexType, String dvn, String dsn, String in, List<String> secondaryKeyFields,
+            int gramLength, AqlMetadataProvider metadataProvider) throws AsterixException, AlgebricksException {
         this.metadataProvider = metadataProvider;
-        dataverseName = createIndexStmt.getDataverseName() == null ? metadataProvider.getDefaultDataverseName()
-                : createIndexStmt.getDataverseName();
-        datasetName = createIndexStmt.getDatasetName();
-        secondaryIndexName = createIndexStmt.getIndexName();
+        dataverseName = dvn == null ? metadataProvider.getDefaultDataverseName() : dvn;
+        datasetName = dsn;
+        secondaryIndexName = in;
         dataset = metadataProvider.findDataset(dataverseName, datasetName);
         if (dataset == null) {
             throw new AsterixException("Unknown dataset " + datasetName);
@@ -176,7 +184,7 @@
         itemType = (ARecordType) metadataProvider.findType(dataset.getDataverseName(), dataset.getItemTypeName());
         payloadSerde = AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(itemType);
         numPrimaryKeys = DatasetUtils.getPartitioningKeys(dataset).size();
-        numSecondaryKeys = createIndexStmt.getKeyFields().size();
+        numSecondaryKeys = secondaryKeyFields.size();
         Pair<IFileSplitProvider, AlgebricksPartitionConstraint> primarySplitsAndConstraint = metadataProvider
                 .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName, datasetName);
         primaryFileSplitProvider = primarySplitsAndConstraint.first;
@@ -188,8 +196,12 @@
         secondaryPartitionConstraint = secondarySplitsAndConstraint.second;
         // Must be called in this order.
         setPrimaryRecDescAndComparators();
-        setSecondaryRecDescAndComparators(createIndexStmt, metadataProvider);
+        setSecondaryRecDescAndComparators(indexType, secondaryKeyFields, gramLength, metadataProvider);
         numElementsHint = metadataProvider.getCardinalityPerPartitionHint(dataset);
+        Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(dataset,
+                metadataProvider.getMetadataTxnContext());
+        mergePolicyFactory = compactionInfo.first;
+        mergePolicyFactoryProperties = compactionInfo.second;
     }
 
     protected void setPrimaryRecDescAndComparators() throws AlgebricksException {
@@ -218,9 +230,8 @@
         primaryRecDesc = new RecordDescriptor(primaryRecFields, primaryTypeTraits);
     }
 
-    protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt,
-            AqlMetadataProvider metadataProvider) throws AlgebricksException, AsterixException {
-        List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
+    protected void setSecondaryRecDescAndComparators(IndexType indexType, List<String> secondaryKeyFields,
+            int gramLength, AqlMetadataProvider metadataProvider) throws AlgebricksException, AsterixException {
         secondaryFieldAccessEvalFactories = new ICopyEvaluatorFactory[numSecondaryKeys];
         secondaryComparatorFactories = new IBinaryComparatorFactory[numSecondaryKeys + numPrimaryKeys];
         secondaryBloomFilterKeyFields = new int[numSecondaryKeys];
@@ -295,7 +306,7 @@
                 primaryFileSplitProvider, primaryRecDesc.getTypeTraits(), primaryComparatorFactories,
                 primaryBloomFilterKeyFields, lowKeyFields, highKeyFields, true, true,
                 new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new PrimaryIndexOperationTrackerProvider(
+                        mergePolicyFactory, mergePolicyFactoryProperties, new PrimaryIndexOperationTrackerProvider(
                                 dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMBTreeIOOperationCallbackFactory.INSTANCE,
                         storageProperties.getBloomFilterFalsePositiveRate()), false, searchCallbackFactory);
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexOperationsHelper.java
similarity index 89%
rename from asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java
rename to asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexOperationsHelper.java
index 72d0d70..e6202b7 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexOperationsHelper.java
@@ -32,7 +32,6 @@
 import edu.uci.ics.asterix.transaction.management.resource.LSMInvertedIndexLocalResourceMetadata;
 import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
 import edu.uci.ics.asterix.transaction.management.service.transaction.AsterixRuntimeComponentsProvider;
-import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
@@ -58,6 +57,7 @@
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.BinaryTokenizerOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexBulkLoadOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexCompactOperator;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexCreateOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexDataflowHelperFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.PartitionedLSMInvertedIndexDataflowHelperFactory;
@@ -65,7 +65,7 @@
 import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 import edu.uci.ics.hyracks.storage.common.file.LocalResource;
 
-public class SecondaryInvertedIndexCreator extends SecondaryIndexCreator {
+public class SecondaryInvertedIndexOperationsHelper extends SecondaryIndexOperationsHelper {
 
     private IAType secondaryKeyType;
     private ITypeTraits[] invListsTypeTraits;
@@ -78,15 +78,15 @@
     private RecordDescriptor tokenKeyPairRecDesc;
     private boolean isPartitioned;
 
-    protected SecondaryInvertedIndexCreator(PhysicalOptimizationConfig physOptConf,
+    protected SecondaryInvertedIndexOperationsHelper(PhysicalOptimizationConfig physOptConf,
             IAsterixPropertiesProvider propertiesProvider) {
         super(physOptConf, propertiesProvider);
     }
 
     @Override
     @SuppressWarnings("rawtypes")
-    protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt,
-            AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
+    protected void setSecondaryRecDescAndComparators(IndexType indexType, List<String> secondaryKeyFields,
+            int gramLength, AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
         // Sanity checks.
         if (numPrimaryKeys > 1) {
             throw new AsterixException("Cannot create inverted index on dataset with composite primary key.");
@@ -94,15 +94,14 @@
         if (numSecondaryKeys > 1) {
             throw new AsterixException("Cannot create composite inverted index on multiple fields.");
         }
-        if (createIndexStmt.getIndexType() == IndexType.LENGTH_PARTITIONED_WORD_INVIX
-                || createIndexStmt.getIndexType() == IndexType.LENGTH_PARTITIONED_NGRAM_INVIX) {
+        if (indexType == IndexType.LENGTH_PARTITIONED_WORD_INVIX
+                || indexType == IndexType.LENGTH_PARTITIONED_NGRAM_INVIX) {
             isPartitioned = true;
         } else {
             isPartitioned = false;
         }
         // Prepare record descriptor used in the assign op, and the optional
         // select op.
-        List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
         secondaryFieldAccessEvalFactories = new ICopyEvaluatorFactory[numSecondaryKeys];
         ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[numPrimaryKeys + numSecondaryKeys];
         ITypeTraits[] secondaryTypeTraits = new ITypeTraits[numSecondaryKeys + numPrimaryKeys];
@@ -133,8 +132,8 @@
         // Set tokenizer factory.
         // TODO: We might want to expose the hashing option at the AQL level,
         // and add the choice to the index metadata.
-        tokenizerFactory = NonTaggedFormatUtil.getBinaryTokenizerFactory(secondaryKeyType.getTypeTag(),
-                createIndexStmt.getIndexType(), createIndexStmt.getGramLength());
+        tokenizerFactory = NonTaggedFormatUtil.getBinaryTokenizerFactory(secondaryKeyType.getTypeTag(), indexType,
+                gramLength);
         // Type traits for inverted-list elements. Inverted lists contain
         // primary keys.
         invListsTypeTraits = new ITypeTraits[numPrimaryKeys];
@@ -172,7 +171,7 @@
         //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
         ILocalResourceMetadata localResourceMetadata = new LSMInvertedIndexLocalResourceMetadata(invListsTypeTraits,
                 primaryComparatorFactories, tokenTypeTraits, tokenComparatorFactories, tokenizerFactory, isPartitioned,
-                dataset.getDatasetId());
+                dataset.getDatasetId(), mergePolicyFactory, mergePolicyFactoryProperties);
         ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
                 localResourceMetadata, LocalResource.LSMInvertedIndexResource);
 
@@ -282,18 +281,36 @@
         AsterixStorageProperties storageProperties = propertiesProvider.getStorageProperties();
         if (!isPartitioned) {
             return new LSMInvertedIndexDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
-                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                    dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
                     new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                     AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                     LSMInvertedIndexIOOperationCallbackFactory.INSTANCE,
                     storageProperties.getBloomFilterFalsePositiveRate());
         } else {
             return new PartitionedLSMInvertedIndexDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(
-                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                    dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
                     new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                     AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                     LSMInvertedIndexIOOperationCallbackFactory.INSTANCE,
                     storageProperties.getBloomFilterFalsePositiveRate());
         }
     }
+
+    @Override
+    public JobSpecification buildCompactJobSpec() throws AsterixException, AlgebricksException {
+        JobSpecification spec = JobSpecificationUtils.createJobSpecification();
+
+        IIndexDataflowHelperFactory dataflowHelperFactory = createDataflowHelperFactory();
+        LSMInvertedIndexCompactOperator compactOp = new LSMInvertedIndexCompactOperator(spec,
+                AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, secondaryFileSplitProvider,
+                AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, tokenTypeTraits, tokenComparatorFactories,
+                invListsTypeTraits, primaryComparatorFactories, tokenizerFactory, dataflowHelperFactory,
+                NoOpOperationCallbackFactory.INSTANCE);
+        AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, compactOp,
+                secondaryPartitionConstraint);
+
+        spec.addRoot(compactOp);
+        spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
+        return spec;
+    }
 }
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeOperationsHelper.java
similarity index 82%
rename from asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java
rename to asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeOperationsHelper.java
index 4d8118d..72e818e 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeOperationsHelper.java
@@ -18,6 +18,7 @@
 
 import edu.uci.ics.asterix.common.api.ILocalResourceMetadata;
 import edu.uci.ics.asterix.common.config.AsterixStorageProperties;
+import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
 import edu.uci.ics.asterix.common.config.IAsterixPropertiesProvider;
 import edu.uci.ics.asterix.common.context.AsterixVirtualBufferCacheProvider;
 import edu.uci.ics.asterix.common.exceptions.AsterixException;
@@ -35,7 +36,6 @@
 import edu.uci.ics.asterix.transaction.management.resource.LSMRTreeLocalResourceMetadata;
 import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
 import edu.uci.ics.asterix.transaction.management.service.transaction.AsterixRuntimeComponentsProvider;
-import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
 import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
@@ -55,19 +55,20 @@
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMTreeIndexCompactOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
 import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 import edu.uci.ics.hyracks.storage.common.file.LocalResource;
 
 @SuppressWarnings("rawtypes")
-public class SecondaryRTreeCreator extends SecondaryIndexCreator {
+public class SecondaryRTreeOperationsHelper extends SecondaryIndexOperationsHelper {
 
     protected IPrimitiveValueProviderFactory[] valueProviderFactories;
     protected int numNestedSecondaryKeyFields;
     protected ATypeTag keyType;
 
-    protected SecondaryRTreeCreator(PhysicalOptimizationConfig physOptConf,
+    protected SecondaryRTreeOperationsHelper(PhysicalOptimizationConfig physOptConf,
             IAsterixPropertiesProvider propertiesProvider) {
         super(physOptConf, propertiesProvider);
     }
@@ -81,7 +82,8 @@
         ILocalResourceMetadata localResourceMetadata = new LSMRTreeLocalResourceMetadata(
                 secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, primaryComparatorFactories,
                 valueProviderFactories, RTreePolicyType.RTREE, AqlMetadataProvider.proposeLinearizer(keyType,
-                        secondaryComparatorFactories.length), dataset.getDatasetId());
+                        secondaryComparatorFactories.length), dataset.getDatasetId(), mergePolicyFactory,
+                mergePolicyFactoryProperties);
         ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
                 localResourceMetadata, LocalResource.LSMRTreeResource);
 
@@ -90,7 +92,7 @@
                 secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, null,
                 new LSMRTreeDataflowHelperFactory(valueProviderFactories, RTreePolicyType.RTREE,
                         primaryComparatorFactories, new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, new SecondaryIndexOperationTrackerProvider(
+                        mergePolicyFactory, mergePolicyFactoryProperties, new SecondaryIndexOperationTrackerProvider(
                                 dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                         LSMRTreeIOOperationCallbackFactory.INSTANCE, AqlMetadataProvider.proposeLinearizer(keyType,
                                 secondaryComparatorFactories.length), storageProperties
@@ -104,9 +106,8 @@
     }
 
     @Override
-    protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt,
-            AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
-        List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
+    protected void setSecondaryRecDescAndComparators(IndexType indexType, List<String> secondaryKeyFields,
+            int gramLength, AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
         int numSecondaryKeys = secondaryKeyFields.size();
         if (numSecondaryKeys != 1) {
             throw new AsterixException(
@@ -173,12 +174,11 @@
         TreeIndexBulkLoadOperatorDescriptor secondaryBulkLoadOp = createTreeIndexBulkLoadOp(spec,
                 numNestedSecondaryKeyFields, new LSMRTreeDataflowHelperFactory(valueProviderFactories,
                         RTreePolicyType.RTREE, primaryComparatorFactories, new AsterixVirtualBufferCacheProvider(
-                                dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                                dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
                         new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                         AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMRTreeIOOperationCallbackFactory.INSTANCE,
                         AqlMetadataProvider.proposeLinearizer(keyType, secondaryComparatorFactories.length),
                         storageProperties.getBloomFilterFalsePositiveRate()), BTree.DEFAULT_FILL_FACTOR);
-
         // Connect the operators.
         spec.connect(new OneToOneConnectorDescriptor(spec), keyProviderOp, 0, primaryScanOp, 0);
         spec.connect(new OneToOneConnectorDescriptor(spec), primaryScanOp, 0, asterixAssignOp, 0);
@@ -192,4 +192,26 @@
         spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
         return spec;
     }
+
+    @Override
+    public JobSpecification buildCompactJobSpec() throws AsterixException, AlgebricksException {
+        JobSpecification spec = JobSpecificationUtils.createJobSpecification();
+
+        AsterixStorageProperties storageProperties = propertiesProvider.getStorageProperties();
+        LSMTreeIndexCompactOperatorDescriptor compactOp = new LSMTreeIndexCompactOperatorDescriptor(spec,
+                AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
+                secondaryBloomFilterKeyFields, new LSMRTreeDataflowHelperFactory(valueProviderFactories,
+                        RTreePolicyType.RTREE, primaryComparatorFactories, new AsterixVirtualBufferCacheProvider(
+                                dataset.getDatasetId()), mergePolicyFactory, mergePolicyFactoryProperties,
+                        new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                        AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER, LSMRTreeIOOperationCallbackFactory.INSTANCE,
+                        AqlMetadataProvider.proposeLinearizer(keyType, secondaryComparatorFactories.length),
+                        storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
+        AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, compactOp,
+                secondaryPartitionConstraint);
+        spec.addRoot(compactOp);
+        spec.setConnectorPolicyAssignmentPolicy(new ConnectorPolicyAssignmentPolicy());
+        return spec;
+    }
 }
diff --git a/asterix-app/src/main/resources/asterix-build-configuration.xml b/asterix-app/src/main/resources/asterix-build-configuration.xml
index 9c4d15b..7a91205 100644
--- a/asterix-app/src/main/resources/asterix-build-configuration.xml
+++ b/asterix-app/src/main/resources/asterix-build-configuration.xml
@@ -31,6 +31,21 @@
 		<description>Log level for running tests/build</description>
 	</property>
 	<property>
+		<name>storage.buffercache.pagesize</name>
+		<value>32768</value>
+		<description>The page size in bytes for pages in the buffer cache.
+			(Default = "32768" // 32KB)
+		</description>
+	</property>
+	<property>
+		<name>storage.buffercache.size</name>
+		<value>33554432</value>
+		<description>The size of memory allocated to the disk buffer cache.
+			The value should be a multiple of the buffer cache page size(Default
+			= "33554432" // 32MB)
+		</description>
+	</property>
+	<property>
 		<name>storage.memorycomponent.numpages</name>
 		<value>8</value>
 		<description>The number of pages to allocate for a memory component.
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm
index 7c82b18..0fb70db 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm
@@ -1 +1 @@
-{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Tue Jan 29 19:11:26 PST 2013" }
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Mon Sep 23 00:01:03 PDT 2013", "DatasetId": 106, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm
index f931b40..9ec7ae7 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm
@@ -1 +1 @@
-{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Tue Jan 29 19:00:38 PST 2013" }
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Mon Sep 23 00:04:09 PDT 2013", "DatasetId": 107, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm
index efd3a7e..98f9d7d 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm
@@ -1 +1 @@
-{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:59:57 PST 2013" }
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:25:30 PDT 2013", "DatasetId": 108, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm
index 394af5c..8fb7bc2 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm
@@ -1 +1 @@
-{ "DataverseName": "testdv", "DatasetName": "dst01", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:34 PST 2013" }
+{ "DataverseName": "testdv", "DatasetName": "dst01", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:09 PDT 2013", "DatasetId": 101, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm
index 9bcb2a4..371ee07 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm
@@ -1 +1 @@
-{ "DataverseName": "test", "DatasetName": "t1", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:55:25 PST 2013" }
+{ "DataverseName": "test", "DatasetName": "t1", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:08 PDT 2013", "DatasetId": 103, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm
index b56fe7c..414d951 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm
@@ -1,8 +1,9 @@
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "CompactionPolicy", "DataTypeName": "CompactionPolicyRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "CompactionPolicy" ], "PrimaryKey": [ "DataverseName", "CompactionPolicy" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 9, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 2, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 8, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 3, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 1, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 7, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 4, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 5, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "DatasetId": 6, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm
index d193dd1..1995946 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm
@@ -1,62 +1,67 @@
-{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "day-time-duration", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "year-month-duration", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "CompactionPolicyRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "PolicyName", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "DatasetId", "FieldType": "int32" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" }, { "FieldName": "CompactionPolicy", "FieldType": "string" }, { "FieldName": "CompactionPolicyProperties", "FieldType": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "CompactionPolicy", "FieldType": "string" }, { "FieldName": "CompactionPolicyProperties", "FieldType": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "day-time-duration", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "year-month-duration", "Derived": null, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm
index 607bfd1..7fdcb8d 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm
@@ -1,11 +1,12 @@
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "CompactionPolicy", "IndexName": "CompactionPolicy", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "CompactionPolicy" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:04:06 PDT 2013", "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm
index 0078603..edf8f9d 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm
@@ -1,9 +1,9 @@
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-
+{ "DataverseName": "Metadata", "DatasetName": "CompactionPolicy", "DataTypeName": "CompactionPolicyRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "CompactionPolicy" ], "PrimaryKey": [ "DataverseName", "CompactionPolicy" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 9, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 2, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 8, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 3, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 1, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 7, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 4, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 5, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Sep 23 00:06:07 PDT 2013", "DatasetId": 6, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
index cecdb85..4c22058 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
@@ -1,62 +1,67 @@
-{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "day-time-duration", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
-{ "DataverseName": "Metadata", "DatatypeName": "year-month-duration", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "CompactionPolicyRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "PolicyName", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "DatasetId", "FieldType": "int32" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" }, { "FieldName": "PendingOp", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" }, { "FieldName": "CompactionPolicy", "FieldType": "string" }, { "FieldName": "CompactionPolicyProperties", "FieldType": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "CompactionPolicy", "FieldType": "string" }, { "FieldName": "CompactionPolicyProperties", "FieldType": "Field_CompactionPolicyProperties_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "day-time-duration", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "year-month-duration", "Derived": null, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm
index 607bfd1..072bcde 100644
--- a/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm
@@ -1,11 +1,12 @@
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
-{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "CompactionPolicy", "IndexName": "CompactionPolicy", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "CompactionPolicy" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Sep 23 00:25:26 PDT 2013", "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.ddl.aql
new file mode 100644
index 0000000..2f54c58
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.ddl.aql
@@ -0,0 +1,35 @@
+/* 
+ * Test case Name  : compact-dataset-and-its-indexes.aql
+ * Description     : This test is intended to test the compact statement which merge the disk components of a dataset and
+ * all of its indexes.
+ * Expected Result : Success
+ * Date            : Sep 19 2013
+ */
+ 
+drop dataverse test if exists;
+create dataverse test;
+
+use dataverse test;
+
+create type LineItemType as closed {
+  l_orderkey: int32, 
+  l_partkey: int32, 
+  l_suppkey: int32, 
+  l_linenumber: int32, 
+  l_quantity: int32, 
+  l_extendedprice: double,
+  l_discount: double, 
+  l_tax: double,
+  l_returnflag: string, 
+  l_linestatus: string, 
+  l_shipdate: string,
+  l_commitdate: string, 
+  l_receiptdate: string, 
+  l_shipinstruct: string, 
+  l_shipmode: string, 
+  l_comment: string
+}
+
+create dataset LineItem(LineItemType)
+  primary key l_orderkey, l_linenumber;
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
new file mode 100644
index 0000000..169c6dc
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+
+load dataset LineItem 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.3.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.3.ddl.aql
new file mode 100644
index 0000000..a3572c4
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.3.ddl.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+create index idx_LineItem_partkey on LineItem(l_linenumber);
+create index idx_LineItem_suppkey on LineItem(l_suppkey);
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.4.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.4.update.aql
new file mode 100644
index 0000000..c3bc7d7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.4.update.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+delete $l from dataset LineItem where $l.l_suppkey>=2 or $l.l_linenumber>1;
+
+compact dataset LineItem;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.5.query.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.5.query.aql
new file mode 100644
index 0000000..69912f9
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.5.query.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+     
+for $c in dataset('LineItem')
+where $c.l_suppkey<150
+order by $c.l_orderkey, $c.l_linenumber
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.1.ddl.aql
new file mode 100644
index 0000000..f96f04f
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.1.ddl.aql
@@ -0,0 +1,36 @@
+/* 
+ * Test case Name  : compact-dataset-and-its-indexes.aql
+ * Description     : This test is intended to test the compact statement which merge the disk components of a dataset and
+ * all of its indexes.
+ * Expected Result : Success
+ * Date            : Sep 19 2013
+ */
+ 
+drop dataverse test if exists;
+create dataverse test;
+
+use dataverse test;
+
+create type LineItemType as closed {
+  l_orderkey: int32, 
+  l_partkey: int32, 
+  l_suppkey: int32, 
+  l_linenumber: int32, 
+  l_quantity: int32, 
+  l_extendedprice: double,
+  l_discount: double, 
+  l_tax: double,
+  l_returnflag: string, 
+  l_linestatus: string, 
+  l_shipdate: string,
+  l_commitdate: string, 
+  l_receiptdate: string, 
+  l_shipinstruct: string, 
+  l_shipmode: string, 
+  l_comment: string
+}
+
+create dataset LineItem(LineItemType)
+  primary key l_orderkey, l_linenumber using compaction policy constant
+(("num-components"="2"));
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
new file mode 100644
index 0000000..169c6dc
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+
+load dataset LineItem 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.3.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.3.ddl.aql
new file mode 100644
index 0000000..a3572c4
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.3.ddl.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+create index idx_LineItem_partkey on LineItem(l_linenumber);
+create index idx_LineItem_suppkey on LineItem(l_suppkey);
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.4.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.4.update.aql
new file mode 100644
index 0000000..c3bc7d7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.4.update.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+delete $l from dataset LineItem where $l.l_suppkey>=2 or $l.l_linenumber>1;
+
+compact dataset LineItem;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.5.query.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.5.query.aql
new file mode 100644
index 0000000..69912f9
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.5.query.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+     
+for $c in dataset('LineItem')
+where $c.l_suppkey<150
+order by $c.l_orderkey, $c.l_linenumber
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.ddl.aql
new file mode 100644
index 0000000..53390af
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.ddl.aql
@@ -0,0 +1,36 @@
+/* 
+ * Test case Name  : compact-dataset-and-its-indexes.aql
+ * Description     : This test is intended to test the compact statement which merge the disk components of a dataset and
+ * all of its indexes.
+ * Expected Result : Success
+ * Date            : Sep 19 2013
+ */
+ 
+drop dataverse test if exists;
+create dataverse test;
+
+use dataverse test;
+
+create type LineItemType as closed {
+  l_orderkey: int32, 
+  l_partkey: int32, 
+  l_suppkey: int32, 
+  l_linenumber: int32, 
+  l_quantity: int32, 
+  l_extendedprice: double,
+  l_discount: double, 
+  l_tax: double,
+  l_returnflag: string, 
+  l_linestatus: string, 
+  l_shipdate: string,
+  l_commitdate: string, 
+  l_receiptdate: string, 
+  l_shipinstruct: string, 
+  l_shipmode: string, 
+  l_comment: string
+}
+
+create dataset LineItem(LineItemType)
+  primary key l_orderkey, l_linenumber using compaction policy prefix
+(("max-mergable-component-size"="1048576"),("max-tolernace-component-count"="3"));
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
new file mode 100644
index 0000000..169c6dc
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+
+load dataset LineItem 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.3.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.3.ddl.aql
new file mode 100644
index 0000000..a3572c4
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.3.ddl.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+create index idx_LineItem_partkey on LineItem(l_linenumber);
+create index idx_LineItem_suppkey on LineItem(l_suppkey);
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.4.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.4.update.aql
new file mode 100644
index 0000000..c3bc7d7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.4.update.aql
@@ -0,0 +1,5 @@
+use dataverse test;
+
+delete $l from dataset LineItem where $l.l_suppkey>=2 or $l.l_linenumber>1;
+
+compact dataset LineItem;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.5.query.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.5.query.aql
new file mode 100644
index 0000000..69912f9
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.5.query.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+     
+for $c in dataset('LineItem')
+where $c.l_suppkey<150
+order by $c.l_orderkey, $c.l_linenumber
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv02/cross-dv02.1.adm b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv02/cross-dv02.1.adm
index 8bd73db..89f66a8 100644
--- a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv02/cross-dv02.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv02/cross-dv02.1.adm
@@ -1,4 +1,4 @@
-{ "DataverseName": "student", "DatasetName": "gdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:01:46 PST 2013" }
-{ "DataverseName": "student", "DatasetName": "ugdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:01:46 PST 2013" }
-{ "DataverseName": "teacher", "DatasetName": "prof", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:01:46 PST 2013" }
-{ "DataverseName": "teacher", "DatasetName": "pstdoc", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:01:46 PST 2013" }
+{ "DataverseName": "student", "DatasetName": "gdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:56 PDT 2013", "DatasetId": 662, "PendingOp": 0 }
+{ "DataverseName": "student", "DatasetName": "ugdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:56 PDT 2013", "DatasetId": 661, "PendingOp": 0 }
+{ "DataverseName": "teacher", "DatasetName": "prof", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:56 PDT 2013", "DatasetId": 663, "PendingOp": 0 }
+{ "DataverseName": "teacher", "DatasetName": "pstdoc", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:56 PDT 2013", "DatasetId": 664, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv04/cross-dv04.1.adm b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv04/cross-dv04.1.adm
index ff1f9df..f9981d1 100644
--- a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv04/cross-dv04.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv04/cross-dv04.1.adm
@@ -1,4 +1,4 @@
-{ "DataverseName": "student", "DatasetName": "gdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:03:50 PST 2013" }
-{ "DataverseName": "student", "DatasetName": "ugdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:03:50 PST 2013" }
-{ "DataverseName": "teacher", "DatasetName": "prof", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:03:50 PST 2013" }
-{ "DataverseName": "teacher", "DatasetName": "pstdoc", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:03:50 PST 2013" }
+{ "DataverseName": "student", "DatasetName": "gdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:57 PDT 2013", "DatasetId": 674, "PendingOp": 0 }
+{ "DataverseName": "student", "DatasetName": "ugdstd", "DataTypeName": "stdType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:57 PDT 2013", "DatasetId": 673, "PendingOp": 0 }
+{ "DataverseName": "teacher", "DatasetName": "prof", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:57 PDT 2013", "DatasetId": 675, "PendingOp": 0 }
+{ "DataverseName": "teacher", "DatasetName": "pstdoc", "DataTypeName": "tchrType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:57 PDT 2013", "DatasetId": 676, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv19/cross-dv19.1.adm b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv19/cross-dv19.1.adm
index 7be9c57..2d04f8b 100644
--- a/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv19/cross-dv19.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/cross-dataverse/cross-dv19/cross-dv19.1.adm
@@ -1,7 +1,7 @@
-{ "DataverseName": "test1", "DatasetName": "TwitterData", "DataTypeName": "Tweet", "DatasetType": "EXTERNAL", "InternalDetails": null, "ExternalDetails": { "DatasourceAdapter": "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter", "Properties": [ { "Name": "path", "Value": "nc1://data/twitter/extrasmalltweets.txt" }, { "Name": "format", "Value": "adm" } ] }, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test1", "DatasetName": "t1", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test1", "DatasetName": "t2", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test1", "DatasetName": "t3", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test2", "DatasetName": "t2", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test2", "DatasetName": "t3", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
-{ "DataverseName": "test2", "DatasetName": "t4", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:04:36 PST 2013" }
+{ "DataverseName": "test1", "DatasetName": "TwitterData", "DataTypeName": "Tweet", "DatasetType": "EXTERNAL", "InternalDetails": null, "ExternalDetails": { "DatasourceAdapter": "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter", "Properties": [ { "Name": "path", "Value": "nc1://data/twitter/extrasmalltweets.txt" }, { "Name": "format", "Value": "adm" } ] }, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 684, "PendingOp": 0 }
+{ "DataverseName": "test1", "DatasetName": "t1", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 678, "PendingOp": 0 }
+{ "DataverseName": "test1", "DatasetName": "t2", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 681, "PendingOp": 0 }
+{ "DataverseName": "test1", "DatasetName": "t3", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 682, "PendingOp": 0 }
+{ "DataverseName": "test2", "DatasetName": "t2", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 679, "PendingOp": 0 }
+{ "DataverseName": "test2", "DatasetName": "t3", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 680, "PendingOp": 0 }
+{ "DataverseName": "test2", "DatasetName": "t4", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:58 PDT 2013", "DatasetId": 683, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.adm b/asterix-app/src/test/resources/runtimets/results/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.adm
new file mode 100644
index 0000000..0d69984
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.1.adm
@@ -0,0 +1,167 @@
+{ "l_orderkey": 36, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 42845.04d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-03", "l_commitdate": "1996-01-21", "l_receiptdate": "1996-02-23", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": " careful courts. special " }
+{ "l_orderkey": 68, "l_partkey": 8, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 2724.0d, "l_discount": 0.05d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-04", "l_commitdate": "1998-06-05", "l_receiptdate": "1998-07-21", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "fully special instructions cajole. furious" }
+{ "l_orderkey": 162, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.02d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-09-02", "l_commitdate": "1995-06-17", "l_receiptdate": "1995-09-08", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "es! final somas integrate" }
+{ "l_orderkey": 192, "l_partkey": 98, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 23, "l_extendedprice": 22956.07d, "l_discount": 0.0d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-02-05", "l_commitdate": "1998-02-06", "l_receiptdate": "1998-03-07", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "ly pending theodolites haggle quickly fluf" }
+{ "l_orderkey": 197, "l_partkey": 99, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 38964.51d, "l_discount": 0.02d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-21", "l_commitdate": "1995-07-01", "l_receiptdate": "1995-08-14", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "press accounts. daringly sp" }
+{ "l_orderkey": 227, "l_partkey": 166, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 19, "l_extendedprice": 20257.04d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-10", "l_commitdate": "1996-01-30", "l_receiptdate": "1995-12-26", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "s cajole furiously a" }
+{ "l_orderkey": 290, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 35, "l_extendedprice": 31710.0d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-01", "l_commitdate": "1994-02-05", "l_receiptdate": "1994-04-27", "l_shipinstruct": "NONE", "l_shipmode": "MAIL", "l_comment": "ove the final foxes detect slyly fluffily" }
+{ "l_orderkey": 325, "l_partkey": 159, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 36011.1d, "l_discount": 0.09d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-10-28", "l_commitdate": "1993-12-13", "l_receiptdate": "1993-11-17", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "ly bold deposits. always iron" }
+{ "l_orderkey": 355, "l_partkey": 114, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 31437.41d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-07-13", "l_commitdate": "1994-08-18", "l_receiptdate": "1994-07-18", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "y unusual, ironic" }
+{ "l_orderkey": 389, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-13", "l_commitdate": "1994-04-10", "l_receiptdate": "1994-04-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "fts. courts eat blithely even dependenc" }
+{ "l_orderkey": 391, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14309.68d, "l_discount": 0.09d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-11", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": " escapades sleep furiously about " }
+{ "l_orderkey": 417, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 36661.56d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-05-31", "l_commitdate": "1994-05-02", "l_receiptdate": "1994-06-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "y regular requests wake along " }
+{ "l_orderkey": 453, "l_partkey": 198, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 45, "l_extendedprice": 49418.55d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-30", "l_commitdate": "1997-08-20", "l_receiptdate": "1997-07-19", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "ifts wake carefully." }
+{ "l_orderkey": 485, "l_partkey": 150, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 50, "l_extendedprice": 52507.5d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-28", "l_commitdate": "1997-05-26", "l_receiptdate": "1997-04-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "iously quick excuses. carefully final f" }
+{ "l_orderkey": 545, "l_partkey": 170, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4280.68d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-23", "l_commitdate": "1995-12-16", "l_receiptdate": "1996-03-21", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": ", ironic grouches cajole over" }
+{ "l_orderkey": 581, "l_partkey": 64, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 39526.46d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-26", "l_commitdate": "1997-04-06", "l_receiptdate": "1997-06-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "nts. quickly" }
+{ "l_orderkey": 647, "l_partkey": 17, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 37597.41d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-19", "l_commitdate": "1997-09-24", "l_receiptdate": "1997-12-15", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "r instructions. quickly unusu" }
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+{ "l_orderkey": 2625, "l_partkey": 20, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 38640.84d, "l_discount": 0.02d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-10-18", "l_commitdate": "1992-11-17", "l_receiptdate": "1992-10-23", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": " even accounts haggle furiously" }
+{ "l_orderkey": 2659, "l_partkey": 42, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 28, "l_extendedprice": 26377.12d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-03-17", "l_commitdate": "1994-01-24", "l_receiptdate": "1994-03-19", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": "idle tithes" }
+{ "l_orderkey": 2689, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 45, "l_extendedprice": 40770.0d, "l_discount": 0.02d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-04-29", "l_commitdate": "1992-06-22", "l_receiptdate": "1992-04-30", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": "e quickly. carefully silent" }
+{ "l_orderkey": 2690, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 45766.16d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-30", "l_commitdate": "1996-05-19", "l_receiptdate": "1996-06-26", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "ly alongside of th" }
+{ "l_orderkey": 2692, "l_partkey": 17, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 2751.03d, "l_discount": 0.1d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-02-25", "l_commitdate": "1998-01-29", "l_receiptdate": "1998-03-27", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "equests. bold, even foxes haggle slyl" }
+{ "l_orderkey": 2694, "l_partkey": 153, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 31594.5d, "l_discount": 0.02d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-06-20", "l_commitdate": "1996-06-01", "l_receiptdate": "1996-07-15", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "oxes. never iro" }
+{ "l_orderkey": 2759, "l_partkey": 59, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 10, "l_extendedprice": 9590.5d, "l_discount": 0.1d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-12-14", "l_commitdate": "1994-01-08", "l_receiptdate": "1994-01-01", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "s. busily ironic theodo" }
+{ "l_orderkey": 2819, "l_partkey": 70, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 17, "l_extendedprice": 16491.19d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-07-16", "l_commitdate": "1994-07-15", "l_receiptdate": "1994-07-17", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "en deposits above the f" }
+{ "l_orderkey": 2850, "l_partkey": 97, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 42874.87d, "l_discount": 0.02d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-11", "l_commitdate": "1996-11-03", "l_receiptdate": "1997-02-01", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "unusual accounts" }
+{ "l_orderkey": 2886, "l_partkey": 60, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 1, "l_extendedprice": 960.06d, "l_discount": 0.09d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1995-02-01", "l_commitdate": "1994-12-18", "l_receiptdate": "1995-02-28", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "eposits fr" }
+{ "l_orderkey": 2912, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 8176.96d, "l_discount": 0.06d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-04-09", "l_commitdate": "1992-04-19", "l_receiptdate": "1992-04-26", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "hs cajole over the slyl" }
+{ "l_orderkey": 2944, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 44885.28d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-25", "l_commitdate": "1997-10-28", "l_receiptdate": "1998-01-21", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "ickly special theodolit" }
+{ "l_orderkey": 2947, "l_partkey": 10, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 37, "l_extendedprice": 33670.37d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-08-09", "l_commitdate": "1995-07-05", "l_receiptdate": "1995-08-20", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "RAIL", "l_comment": "e accounts: expres" }
+{ "l_orderkey": 2950, "l_partkey": 130, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 32, "l_extendedprice": 32964.16d, "l_discount": 0.01d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-09-21", "l_commitdate": "1997-08-25", "l_receiptdate": "1997-10-08", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "REG AIR", "l_comment": "its wake carefully slyly final ideas." }
+{ "l_orderkey": 2978, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 28712.61d, "l_discount": 0.0d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1995-06-03", "l_commitdate": "1995-07-25", "l_receiptdate": "1995-06-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "ecial ideas promise slyly" }
+{ "l_orderkey": 3143, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 22, "l_extendedprice": 21781.98d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-05-11", "l_commitdate": "1993-03-26", "l_receiptdate": "1993-05-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "l, special instructions nag " }
+{ "l_orderkey": 3264, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 42907.8d, "l_discount": 0.06d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-11-07", "l_commitdate": "1996-12-12", "l_receiptdate": "1996-11-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": "sleep carefully after the slyly final" }
+{ "l_orderkey": 3266, "l_partkey": 64, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 29885.86d, "l_discount": 0.09d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-19", "l_commitdate": "1995-05-04", "l_receiptdate": "1995-07-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "grate among the quickly express deposits" }
+{ "l_orderkey": 3270, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 10285.33d, "l_discount": 0.07d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-07-29", "l_commitdate": "1997-08-11", "l_receiptdate": "1997-08-05", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": " solve at the regular deposits. " }
+{ "l_orderkey": 3364, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 48514.41d, "l_discount": 0.03d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-09-17", "l_commitdate": "1997-08-23", "l_receiptdate": "1997-10-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "d accounts? caref" }
+{ "l_orderkey": 3366, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.07d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-20", "l_commitdate": "1997-06-25", "l_receiptdate": "1997-06-03", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": " carefully about " }
+{ "l_orderkey": 3425, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 11221.32d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-04-24", "l_commitdate": "1996-05-29", "l_receiptdate": "1996-05-23", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "ckly final deposits use quickly?" }
+{ "l_orderkey": 3460, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 36440.4d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-28", "l_commitdate": "1995-12-14", "l_receiptdate": "1996-01-02", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "odolites are slyly bold deposits" }
+{ "l_orderkey": 3494, "l_partkey": 117, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 40684.4d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-07-10", "l_commitdate": "1993-06-01", "l_receiptdate": "1993-07-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "lites haggle furiously about the fin" }
+{ "l_orderkey": 3520, "l_partkey": 28, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 27840.6d, "l_discount": 0.04d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-11", "l_commitdate": "1997-10-02", "l_receiptdate": "1997-12-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": "deas should solve blithely among the ironi" }
+{ "l_orderkey": 3559, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 28712.61d, "l_discount": 0.0d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-12-10", "l_commitdate": "1992-12-03", "l_receiptdate": "1992-12-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "l, regular accounts wake flu" }
+{ "l_orderkey": 3585, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 21, "l_extendedprice": 21464.52d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-04", "l_commitdate": "1994-12-25", "l_receiptdate": "1995-01-01", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ounts use. express, final platelets us" }
+{ "l_orderkey": 3618, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 39525.32d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-22", "l_commitdate": "1998-02-23", "l_receiptdate": "1998-01-03", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "nts haggle fluffily above the regular " }
+{ "l_orderkey": 3715, "l_partkey": 97, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 13, "l_extendedprice": 12962.17d, "l_discount": 0.0d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-11", "l_commitdate": "1996-04-25", "l_receiptdate": "1996-06-09", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e quickly ironic" }
+{ "l_orderkey": 3844, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2070.26d, "l_discount": 0.03d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-24", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-03-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "es haggle final acco" }
+{ "l_orderkey": 3878, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 6601.2d, "l_discount": 0.07d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-22", "l_receiptdate": "1997-07-01", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "s. regular instru" }
+{ "l_orderkey": 3906, "l_partkey": 153, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 44232.3d, "l_discount": 0.0d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-09-03", "l_commitdate": "1992-07-22", "l_receiptdate": "1992-09-04", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "jole blithely after the furiously regular " }
+{ "l_orderkey": 3974, "l_partkey": 22, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 43334.94d, "l_discount": 0.1d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-06-03", "l_commitdate": "1996-05-08", "l_receiptdate": "1996-06-28", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "dencies above the re" }
+{ "l_orderkey": 4001, "l_partkey": 106, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 26158.6d, "l_discount": 0.0d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-07-26", "l_commitdate": "1997-06-18", "l_receiptdate": "1997-08-08", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "RAIL", "l_comment": "tegrate blithely" }
+{ "l_orderkey": 4005, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 23504.0d, "l_discount": 0.09d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-12-01", "l_commitdate": "1997-02-03", "l_receiptdate": "1996-12-15", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": " to the quic" }
+{ "l_orderkey": 4033, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 27272.97d, "l_discount": 0.01d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-08-08", "l_commitdate": "1993-08-14", "l_receiptdate": "1993-08-09", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "pinto beans" }
+{ "l_orderkey": 4034, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 48, "l_extendedprice": 52329.12d, "l_discount": 0.03d, "l_tax": 0.03d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-03-01", "l_commitdate": "1994-01-16", "l_receiptdate": "1994-03-16", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": " blithely regular requests play carefull" }
+{ "l_orderkey": 4036, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 41676.0d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-29", "l_receiptdate": "1997-07-18", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "usly across the even th" }
+{ "l_orderkey": 4064, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 3297.57d, "l_discount": 0.1d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-04", "l_commitdate": "1997-01-01", "l_receiptdate": "1997-01-23", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "its! quickly sp" }
+{ "l_orderkey": 4067, "l_partkey": 180, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 18, "l_extendedprice": 19443.24d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-01-24", "l_commitdate": "1992-12-23", "l_receiptdate": "1993-02-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "FOB", "l_comment": "e the slyly final packages d" }
+{ "l_orderkey": 4068, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 43434.73d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-11-28", "l_commitdate": "1996-11-16", "l_receiptdate": "1996-12-22", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "ructions. regular, special packag" }
+{ "l_orderkey": 4098, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 50609.2d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-26", "l_commitdate": "1997-01-27", "l_receiptdate": "1997-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e slyly blithely silent deposits. fluff" }
+{ "l_orderkey": 4192, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 36, "l_extendedprice": 32796.36d, "l_discount": 0.06d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-04-25", "l_commitdate": "1998-05-26", "l_receiptdate": "1998-05-03", "l_shipinstruct": "COLLECT COD", "l_shipmode": "TRUCK", "l_comment": "eodolites sleep" }
+{ "l_orderkey": 4194, "l_partkey": 197, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 47179.17d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-11-06", "l_commitdate": "1994-12-09", "l_receiptdate": "1994-11-16", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "olites are after the exp" }
+{ "l_orderkey": 4261, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 12, "l_extendedprice": 12121.32d, "l_discount": 0.05d, "l_tax": 0.01d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-11-01", "l_commitdate": "1993-01-01", "l_receiptdate": "1992-11-12", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": "into beans " }
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+{ "l_orderkey": 5476, "l_partkey": 48, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 13, "l_extendedprice": 12324.52d, "l_discount": 0.01d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-27", "l_commitdate": "1997-12-08", "l_receiptdate": "1997-12-29", "l_shipinstruct": "COLLECT COD", "l_shipmode": "TRUCK", "l_comment": "iously special ac" }
+{ "l_orderkey": 5506, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2080.28d, "l_discount": 0.0d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-02-04", "l_commitdate": "1994-01-13", "l_receiptdate": "1994-02-17", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "onic theodolites are fluffil" }
+{ "l_orderkey": 5536, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 13861.26d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-05-18", "l_commitdate": "1998-05-08", "l_receiptdate": "1998-06-05", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "instructions sleep " }
+{ "l_orderkey": 5572, "l_partkey": 22, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 24, "l_extendedprice": 22128.48d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-10-30", "l_commitdate": "1994-10-02", "l_receiptdate": "1994-11-27", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "ests cajole. evenly ironic exc" }
+{ "l_orderkey": 5664, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 25, "l_extendedprice": 25553.0d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-10-29", "l_commitdate": "1998-09-23", "l_receiptdate": "1998-11-25", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "eposits: furiously ironic grouch" }
+{ "l_orderkey": 5670, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 26732.43d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-05-09", "l_commitdate": "1993-05-30", "l_receiptdate": "1993-06-06", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": " ideas promise bli" }
+{ "l_orderkey": 5728, "l_partkey": 44, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 44369.88d, "l_discount": 0.1d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-13", "l_commitdate": "1995-01-25", "l_receiptdate": "1994-12-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "nd the bravely final deposits. final ideas" }
+{ "l_orderkey": 5735, "l_partkey": 60, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 39362.46d, "l_discount": 0.01d, "l_tax": 0.01d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-12-23", "l_commitdate": "1995-02-10", "l_receiptdate": "1995-01-22", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "lthily ruthless i" }
+{ "l_orderkey": 5826, "l_partkey": 144, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4176.56d, "l_discount": 0.03d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-31", "l_commitdate": "1998-09-10", "l_receiptdate": "1998-08-27", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": " packages across the fluffily spec" }
+{ "l_orderkey": 5829, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-01", "l_commitdate": "1997-02-17", "l_receiptdate": "1997-03-22", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "ithely; accounts cajole ideas. regular foxe" }
+{ "l_orderkey": 5856, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 1, "l_extendedprice": 904.0d, "l_discount": 0.03d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-29", "l_commitdate": "1995-01-07", "l_receiptdate": "1995-01-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "tly. special deposits wake blithely even" }
+{ "l_orderkey": 5926, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 7920.72d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-07-17", "l_commitdate": "1994-07-20", "l_receiptdate": "1994-08-11", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "gle furiously express foxes. bo" }
+{ "l_orderkey": 5927, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 43563.96d, "l_discount": 0.04d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-29", "l_commitdate": "1997-11-21", "l_receiptdate": "1997-12-13", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "rding to the special, final decoy" }
+{ "l_orderkey": 5955, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14561.96d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-22", "l_commitdate": "1995-05-23", "l_receiptdate": "1995-06-24", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": " unusual, bold theodolit" }
+{ "l_orderkey": 5959, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 50721.37d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-07-16", "l_commitdate": "1992-08-09", "l_receiptdate": "1992-08-14", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "usual packages haggle slyly pi" }
+{ "l_orderkey": 5988, "l_partkey": 172, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 43958.97d, "l_discount": 0.08d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-01-20", "l_commitdate": "1994-02-06", "l_receiptdate": "1994-02-10", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "the pending, express reque" }
diff --git a/asterix-app/src/test/resources/runtimets/results/dml/using-constant-merge-policy/using-constant-merge-policy.1.adm b/asterix-app/src/test/resources/runtimets/results/dml/using-constant-merge-policy/using-constant-merge-policy.1.adm
new file mode 100644
index 0000000..0d69984
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/dml/using-constant-merge-policy/using-constant-merge-policy.1.adm
@@ -0,0 +1,167 @@
+{ "l_orderkey": 36, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 42845.04d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-03", "l_commitdate": "1996-01-21", "l_receiptdate": "1996-02-23", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": " careful courts. special " }
+{ "l_orderkey": 68, "l_partkey": 8, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 2724.0d, "l_discount": 0.05d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-04", "l_commitdate": "1998-06-05", "l_receiptdate": "1998-07-21", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "fully special instructions cajole. furious" }
+{ "l_orderkey": 162, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.02d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-09-02", "l_commitdate": "1995-06-17", "l_receiptdate": "1995-09-08", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "es! final somas integrate" }
+{ "l_orderkey": 192, "l_partkey": 98, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 23, "l_extendedprice": 22956.07d, "l_discount": 0.0d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-02-05", "l_commitdate": "1998-02-06", "l_receiptdate": "1998-03-07", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "ly pending theodolites haggle quickly fluf" }
+{ "l_orderkey": 197, "l_partkey": 99, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 38964.51d, "l_discount": 0.02d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-21", "l_commitdate": "1995-07-01", "l_receiptdate": "1995-08-14", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "press accounts. daringly sp" }
+{ "l_orderkey": 227, "l_partkey": 166, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 19, "l_extendedprice": 20257.04d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-10", "l_commitdate": "1996-01-30", "l_receiptdate": "1995-12-26", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "s cajole furiously a" }
+{ "l_orderkey": 290, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 35, "l_extendedprice": 31710.0d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-01", "l_commitdate": "1994-02-05", "l_receiptdate": "1994-04-27", "l_shipinstruct": "NONE", "l_shipmode": "MAIL", "l_comment": "ove the final foxes detect slyly fluffily" }
+{ "l_orderkey": 325, "l_partkey": 159, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 36011.1d, "l_discount": 0.09d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-10-28", "l_commitdate": "1993-12-13", "l_receiptdate": "1993-11-17", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "ly bold deposits. always iron" }
+{ "l_orderkey": 355, "l_partkey": 114, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 31437.41d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-07-13", "l_commitdate": "1994-08-18", "l_receiptdate": "1994-07-18", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "y unusual, ironic" }
+{ "l_orderkey": 389, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-13", "l_commitdate": "1994-04-10", "l_receiptdate": "1994-04-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "fts. courts eat blithely even dependenc" }
+{ "l_orderkey": 391, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14309.68d, "l_discount": 0.09d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-11", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": " escapades sleep furiously about " }
+{ "l_orderkey": 417, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 36661.56d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-05-31", "l_commitdate": "1994-05-02", "l_receiptdate": "1994-06-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "y regular requests wake along " }
+{ "l_orderkey": 453, "l_partkey": 198, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 45, "l_extendedprice": 49418.55d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-30", "l_commitdate": "1997-08-20", "l_receiptdate": "1997-07-19", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "ifts wake carefully." }
+{ "l_orderkey": 485, "l_partkey": 150, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 50, "l_extendedprice": 52507.5d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-28", "l_commitdate": "1997-05-26", "l_receiptdate": "1997-04-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "iously quick excuses. carefully final f" }
+{ "l_orderkey": 545, "l_partkey": 170, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4280.68d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-23", "l_commitdate": "1995-12-16", "l_receiptdate": "1996-03-21", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": ", ironic grouches cajole over" }
+{ "l_orderkey": 581, "l_partkey": 64, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 39526.46d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-26", "l_commitdate": "1997-04-06", "l_receiptdate": "1997-06-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "nts. quickly" }
+{ "l_orderkey": 647, "l_partkey": 17, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 37597.41d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-19", "l_commitdate": "1997-09-24", "l_receiptdate": "1997-12-15", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "r instructions. quickly unusu" }
+{ "l_orderkey": 704, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 43607.6d, "l_discount": 0.05d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-30", "l_commitdate": "1997-01-10", "l_receiptdate": "1997-02-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "ggle quickly. r" }
+{ "l_orderkey": 738, "l_partkey": 198, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 37338.46d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-06-09", "l_commitdate": "1993-04-15", "l_receiptdate": "1993-07-09", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "s against the ironic exc" }
+{ "l_orderkey": 773, "l_partkey": 100, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 5000.5d, "l_discount": 0.06d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-11-21", "l_commitdate": "1993-12-19", "l_receiptdate": "1993-12-21", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "ar requests. regular, thin packages u" }
+{ "l_orderkey": 800, "l_partkey": 72, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 36938.66d, "l_discount": 0.0d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-21", "l_commitdate": "1998-09-25", "l_receiptdate": "1998-08-07", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "according to the bold, final dependencies " }
+{ "l_orderkey": 900, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 48364.36d, "l_discount": 0.01d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-12-15", "l_commitdate": "1994-12-03", "l_receiptdate": "1994-12-27", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": " detect quick" }
+{ "l_orderkey": 931, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 18, "l_extendedprice": 16920.72d, "l_discount": 0.0d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-04-04", "l_commitdate": "1993-01-11", "l_receiptdate": "1993-04-13", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "slyly ironic re" }
+{ "l_orderkey": 932, "l_partkey": 44, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 38705.64d, "l_discount": 0.01d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-05", "l_commitdate": "1997-07-22", "l_receiptdate": "1997-06-26", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "foxes. ironic pl" }
+{ "l_orderkey": 965, "l_partkey": 108, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 20, "l_extendedprice": 20162.0d, "l_discount": 0.04d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "F", "l_shipdate": "1995-06-16", "l_commitdate": "1995-07-20", "l_receiptdate": "1995-07-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "kly. carefully pending requ" }
+{ "l_orderkey": 995, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 15, "l_extendedprice": 16097.55d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-30", "l_commitdate": "1995-08-04", "l_receiptdate": "1995-07-27", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "uses. fluffily fina" }
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+{ "l_orderkey": 2912, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 8176.96d, "l_discount": 0.06d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-04-09", "l_commitdate": "1992-04-19", "l_receiptdate": "1992-04-26", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "hs cajole over the slyl" }
+{ "l_orderkey": 2944, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 44885.28d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-25", "l_commitdate": "1997-10-28", "l_receiptdate": "1998-01-21", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "ickly special theodolit" }
+{ "l_orderkey": 2947, "l_partkey": 10, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 37, "l_extendedprice": 33670.37d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-08-09", "l_commitdate": "1995-07-05", "l_receiptdate": "1995-08-20", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "RAIL", "l_comment": "e accounts: expres" }
+{ "l_orderkey": 2950, "l_partkey": 130, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 32, "l_extendedprice": 32964.16d, "l_discount": 0.01d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-09-21", "l_commitdate": "1997-08-25", "l_receiptdate": "1997-10-08", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "REG AIR", "l_comment": "its wake carefully slyly final ideas." }
+{ "l_orderkey": 2978, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 28712.61d, "l_discount": 0.0d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1995-06-03", "l_commitdate": "1995-07-25", "l_receiptdate": "1995-06-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "ecial ideas promise slyly" }
+{ "l_orderkey": 3143, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 22, "l_extendedprice": 21781.98d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-05-11", "l_commitdate": "1993-03-26", "l_receiptdate": "1993-05-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "l, special instructions nag " }
+{ "l_orderkey": 3264, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 42907.8d, "l_discount": 0.06d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-11-07", "l_commitdate": "1996-12-12", "l_receiptdate": "1996-11-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": "sleep carefully after the slyly final" }
+{ "l_orderkey": 3266, "l_partkey": 64, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 29885.86d, "l_discount": 0.09d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-19", "l_commitdate": "1995-05-04", "l_receiptdate": "1995-07-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "grate among the quickly express deposits" }
+{ "l_orderkey": 3270, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 10285.33d, "l_discount": 0.07d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-07-29", "l_commitdate": "1997-08-11", "l_receiptdate": "1997-08-05", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": " solve at the regular deposits. " }
+{ "l_orderkey": 3364, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 48514.41d, "l_discount": 0.03d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-09-17", "l_commitdate": "1997-08-23", "l_receiptdate": "1997-10-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "d accounts? caref" }
+{ "l_orderkey": 3366, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.07d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-20", "l_commitdate": "1997-06-25", "l_receiptdate": "1997-06-03", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": " carefully about " }
+{ "l_orderkey": 3425, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 11221.32d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-04-24", "l_commitdate": "1996-05-29", "l_receiptdate": "1996-05-23", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "ckly final deposits use quickly?" }
+{ "l_orderkey": 3460, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 36440.4d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-28", "l_commitdate": "1995-12-14", "l_receiptdate": "1996-01-02", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "odolites are slyly bold deposits" }
+{ "l_orderkey": 3494, "l_partkey": 117, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 40684.4d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-07-10", "l_commitdate": "1993-06-01", "l_receiptdate": "1993-07-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "lites haggle furiously about the fin" }
+{ "l_orderkey": 3520, "l_partkey": 28, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 27840.6d, "l_discount": 0.04d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-11", "l_commitdate": "1997-10-02", "l_receiptdate": "1997-12-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": "deas should solve blithely among the ironi" }
+{ "l_orderkey": 3559, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 28712.61d, "l_discount": 0.0d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-12-10", "l_commitdate": "1992-12-03", "l_receiptdate": "1992-12-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "l, regular accounts wake flu" }
+{ "l_orderkey": 3585, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 21, "l_extendedprice": 21464.52d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-04", "l_commitdate": "1994-12-25", "l_receiptdate": "1995-01-01", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ounts use. express, final platelets us" }
+{ "l_orderkey": 3618, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 39525.32d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-22", "l_commitdate": "1998-02-23", "l_receiptdate": "1998-01-03", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "nts haggle fluffily above the regular " }
+{ "l_orderkey": 3715, "l_partkey": 97, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 13, "l_extendedprice": 12962.17d, "l_discount": 0.0d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-11", "l_commitdate": "1996-04-25", "l_receiptdate": "1996-06-09", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e quickly ironic" }
+{ "l_orderkey": 3844, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2070.26d, "l_discount": 0.03d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-24", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-03-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "es haggle final acco" }
+{ "l_orderkey": 3878, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 6601.2d, "l_discount": 0.07d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-22", "l_receiptdate": "1997-07-01", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "s. regular instru" }
+{ "l_orderkey": 3906, "l_partkey": 153, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 44232.3d, "l_discount": 0.0d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-09-03", "l_commitdate": "1992-07-22", "l_receiptdate": "1992-09-04", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "jole blithely after the furiously regular " }
+{ "l_orderkey": 3974, "l_partkey": 22, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 43334.94d, "l_discount": 0.1d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-06-03", "l_commitdate": "1996-05-08", "l_receiptdate": "1996-06-28", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "dencies above the re" }
+{ "l_orderkey": 4001, "l_partkey": 106, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 26158.6d, "l_discount": 0.0d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-07-26", "l_commitdate": "1997-06-18", "l_receiptdate": "1997-08-08", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "RAIL", "l_comment": "tegrate blithely" }
+{ "l_orderkey": 4005, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 23504.0d, "l_discount": 0.09d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-12-01", "l_commitdate": "1997-02-03", "l_receiptdate": "1996-12-15", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": " to the quic" }
+{ "l_orderkey": 4033, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 27272.97d, "l_discount": 0.01d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-08-08", "l_commitdate": "1993-08-14", "l_receiptdate": "1993-08-09", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "pinto beans" }
+{ "l_orderkey": 4034, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 48, "l_extendedprice": 52329.12d, "l_discount": 0.03d, "l_tax": 0.03d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-03-01", "l_commitdate": "1994-01-16", "l_receiptdate": "1994-03-16", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": " blithely regular requests play carefull" }
+{ "l_orderkey": 4036, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 41676.0d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-29", "l_receiptdate": "1997-07-18", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "usly across the even th" }
+{ "l_orderkey": 4064, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 3297.57d, "l_discount": 0.1d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-04", "l_commitdate": "1997-01-01", "l_receiptdate": "1997-01-23", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "its! quickly sp" }
+{ "l_orderkey": 4067, "l_partkey": 180, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 18, "l_extendedprice": 19443.24d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-01-24", "l_commitdate": "1992-12-23", "l_receiptdate": "1993-02-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "FOB", "l_comment": "e the slyly final packages d" }
+{ "l_orderkey": 4068, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 43434.73d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-11-28", "l_commitdate": "1996-11-16", "l_receiptdate": "1996-12-22", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "ructions. regular, special packag" }
+{ "l_orderkey": 4098, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 50609.2d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-26", "l_commitdate": "1997-01-27", "l_receiptdate": "1997-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e slyly blithely silent deposits. fluff" }
+{ "l_orderkey": 4192, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 36, "l_extendedprice": 32796.36d, "l_discount": 0.06d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-04-25", "l_commitdate": "1998-05-26", "l_receiptdate": "1998-05-03", "l_shipinstruct": "COLLECT COD", "l_shipmode": "TRUCK", "l_comment": "eodolites sleep" }
+{ "l_orderkey": 4194, "l_partkey": 197, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 47179.17d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-11-06", "l_commitdate": "1994-12-09", "l_receiptdate": "1994-11-16", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "olites are after the exp" }
+{ "l_orderkey": 4261, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 12, "l_extendedprice": 12121.32d, "l_discount": 0.05d, "l_tax": 0.01d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-11-01", "l_commitdate": "1993-01-01", "l_receiptdate": "1992-11-12", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": "into beans " }
+{ "l_orderkey": 4418, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 32, "l_extendedprice": 29920.96d, "l_discount": 0.02d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-05-28", "l_commitdate": "1993-06-02", "l_receiptdate": "1993-05-30", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "ly. bold pinto b" }
+{ "l_orderkey": 4422, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 5175.65d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-17", "l_commitdate": "1995-08-13", "l_receiptdate": "1995-07-25", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "e furiously about t" }
+{ "l_orderkey": 4486, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 47615.98d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-05-02", "l_commitdate": "1998-04-05", "l_receiptdate": "1998-05-08", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "ackages. specia" }
+{ "l_orderkey": 4512, "l_partkey": 162, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 31864.8d, "l_discount": 0.07d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-01-28", "l_commitdate": "1995-12-22", "l_receiptdate": "1996-02-22", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ly unusual package" }
+{ "l_orderkey": 4513, "l_partkey": 170, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 31034.93d, "l_discount": 0.03d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-18", "l_commitdate": "1996-05-23", "l_receiptdate": "1996-06-08", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "cajole. regular packages boost. s" }
+{ "l_orderkey": 4545, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 40780.46d, "l_discount": 0.06d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-01-27", "l_commitdate": "1993-03-01", "l_receiptdate": "1993-02-04", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "nts serve according to th" }
+{ "l_orderkey": 4549, "l_partkey": 159, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 46602.6d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-03-13", "l_commitdate": "1998-04-15", "l_receiptdate": "1998-03-27", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ding to the regular, silent requests" }
+{ "l_orderkey": 4551, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 5466.06d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-18", "l_commitdate": "1996-04-23", "l_receiptdate": "1996-06-13", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "fily silent fo" }
+{ "l_orderkey": 4576, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 4950.45d, "l_discount": 0.09d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-08-23", "l_commitdate": "1996-11-08", "l_receiptdate": "1996-09-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "ly express, special asymptote" }
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+{ "l_orderkey": 5829, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-01", "l_commitdate": "1997-02-17", "l_receiptdate": "1997-03-22", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "ithely; accounts cajole ideas. regular foxe" }
+{ "l_orderkey": 5856, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 1, "l_extendedprice": 904.0d, "l_discount": 0.03d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-29", "l_commitdate": "1995-01-07", "l_receiptdate": "1995-01-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "tly. special deposits wake blithely even" }
+{ "l_orderkey": 5926, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 7920.72d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-07-17", "l_commitdate": "1994-07-20", "l_receiptdate": "1994-08-11", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "gle furiously express foxes. bo" }
+{ "l_orderkey": 5927, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 43563.96d, "l_discount": 0.04d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-29", "l_commitdate": "1997-11-21", "l_receiptdate": "1997-12-13", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "rding to the special, final decoy" }
+{ "l_orderkey": 5955, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14561.96d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-22", "l_commitdate": "1995-05-23", "l_receiptdate": "1995-06-24", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": " unusual, bold theodolit" }
+{ "l_orderkey": 5959, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 50721.37d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-07-16", "l_commitdate": "1992-08-09", "l_receiptdate": "1992-08-14", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "usual packages haggle slyly pi" }
+{ "l_orderkey": 5988, "l_partkey": 172, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 43958.97d, "l_discount": 0.08d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-01-20", "l_commitdate": "1994-02-06", "l_receiptdate": "1994-02-10", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "the pending, express reque" }
diff --git a/asterix-app/src/test/resources/runtimets/results/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.adm b/asterix-app/src/test/resources/runtimets/results/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.adm
new file mode 100644
index 0000000..0d69984
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/dml/using-prefix-merge-policy/using-prefix-merge-policy.1.adm
@@ -0,0 +1,167 @@
+{ "l_orderkey": 36, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 42845.04d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-03", "l_commitdate": "1996-01-21", "l_receiptdate": "1996-02-23", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": " careful courts. special " }
+{ "l_orderkey": 68, "l_partkey": 8, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 2724.0d, "l_discount": 0.05d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-04", "l_commitdate": "1998-06-05", "l_receiptdate": "1998-07-21", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "fully special instructions cajole. furious" }
+{ "l_orderkey": 162, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.02d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-09-02", "l_commitdate": "1995-06-17", "l_receiptdate": "1995-09-08", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "es! final somas integrate" }
+{ "l_orderkey": 192, "l_partkey": 98, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 23, "l_extendedprice": 22956.07d, "l_discount": 0.0d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-02-05", "l_commitdate": "1998-02-06", "l_receiptdate": "1998-03-07", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "ly pending theodolites haggle quickly fluf" }
+{ "l_orderkey": 197, "l_partkey": 99, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 38964.51d, "l_discount": 0.02d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-21", "l_commitdate": "1995-07-01", "l_receiptdate": "1995-08-14", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "press accounts. daringly sp" }
+{ "l_orderkey": 227, "l_partkey": 166, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 19, "l_extendedprice": 20257.04d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-10", "l_commitdate": "1996-01-30", "l_receiptdate": "1995-12-26", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "s cajole furiously a" }
+{ "l_orderkey": 290, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 35, "l_extendedprice": 31710.0d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-01", "l_commitdate": "1994-02-05", "l_receiptdate": "1994-04-27", "l_shipinstruct": "NONE", "l_shipmode": "MAIL", "l_comment": "ove the final foxes detect slyly fluffily" }
+{ "l_orderkey": 325, "l_partkey": 159, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 36011.1d, "l_discount": 0.09d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-10-28", "l_commitdate": "1993-12-13", "l_receiptdate": "1993-11-17", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "ly bold deposits. always iron" }
+{ "l_orderkey": 355, "l_partkey": 114, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 31437.41d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-07-13", "l_commitdate": "1994-08-18", "l_receiptdate": "1994-07-18", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "y unusual, ironic" }
+{ "l_orderkey": 389, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2180.38d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-04-13", "l_commitdate": "1994-04-10", "l_receiptdate": "1994-04-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "fts. courts eat blithely even dependenc" }
+{ "l_orderkey": 391, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14309.68d, "l_discount": 0.09d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-11", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": " escapades sleep furiously about " }
+{ "l_orderkey": 417, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 39, "l_extendedprice": 36661.56d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-05-31", "l_commitdate": "1994-05-02", "l_receiptdate": "1994-06-06", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "y regular requests wake along " }
+{ "l_orderkey": 453, "l_partkey": 198, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 45, "l_extendedprice": 49418.55d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-30", "l_commitdate": "1997-08-20", "l_receiptdate": "1997-07-19", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "ifts wake carefully." }
+{ "l_orderkey": 485, "l_partkey": 150, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 50, "l_extendedprice": 52507.5d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-28", "l_commitdate": "1997-05-26", "l_receiptdate": "1997-04-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "iously quick excuses. carefully final f" }
+{ "l_orderkey": 545, "l_partkey": 170, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4280.68d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-02-23", "l_commitdate": "1995-12-16", "l_receiptdate": "1996-03-21", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": ", ironic grouches cajole over" }
+{ "l_orderkey": 581, "l_partkey": 64, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 39526.46d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-26", "l_commitdate": "1997-04-06", "l_receiptdate": "1997-06-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "nts. quickly" }
+{ "l_orderkey": 647, "l_partkey": 17, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 37597.41d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-19", "l_commitdate": "1997-09-24", "l_receiptdate": "1997-12-15", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "r instructions. quickly unusu" }
+{ "l_orderkey": 704, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 43607.6d, "l_discount": 0.05d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-30", "l_commitdate": "1997-01-10", "l_receiptdate": "1997-02-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "ggle quickly. r" }
+{ "l_orderkey": 738, "l_partkey": 198, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 37338.46d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-06-09", "l_commitdate": "1993-04-15", "l_receiptdate": "1993-07-09", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "s against the ironic exc" }
+{ "l_orderkey": 773, "l_partkey": 100, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 5000.5d, "l_discount": 0.06d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-11-21", "l_commitdate": "1993-12-19", "l_receiptdate": "1993-12-21", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "ar requests. regular, thin packages u" }
+{ "l_orderkey": 800, "l_partkey": 72, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 36938.66d, "l_discount": 0.0d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-21", "l_commitdate": "1998-09-25", "l_receiptdate": "1998-08-07", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "according to the bold, final dependencies " }
+{ "l_orderkey": 900, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 48364.36d, "l_discount": 0.01d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-12-15", "l_commitdate": "1994-12-03", "l_receiptdate": "1994-12-27", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": " detect quick" }
+{ "l_orderkey": 931, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 18, "l_extendedprice": 16920.72d, "l_discount": 0.0d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-04-04", "l_commitdate": "1993-01-11", "l_receiptdate": "1993-04-13", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "slyly ironic re" }
+{ "l_orderkey": 932, "l_partkey": 44, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 38705.64d, "l_discount": 0.01d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-05", "l_commitdate": "1997-07-22", "l_receiptdate": "1997-06-26", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "foxes. ironic pl" }
+{ "l_orderkey": 965, "l_partkey": 108, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 20, "l_extendedprice": 20162.0d, "l_discount": 0.04d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "F", "l_shipdate": "1995-06-16", "l_commitdate": "1995-07-20", "l_receiptdate": "1995-07-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "kly. carefully pending requ" }
+{ "l_orderkey": 995, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 15, "l_extendedprice": 16097.55d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-30", "l_commitdate": "1995-08-04", "l_receiptdate": "1995-07-27", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "uses. fluffily fina" }
+{ "l_orderkey": 1025, "l_partkey": 150, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 36, "l_extendedprice": 37805.4d, "l_discount": 0.03d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1995-05-15", "l_commitdate": "1995-07-05", "l_receiptdate": "1995-06-10", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "e unusual, regular instr" }
+{ "l_orderkey": 1027, "l_partkey": 156, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 45414.45d, "l_discount": 0.07d, "l_tax": 0.08d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-06-17", "l_commitdate": "1992-08-28", "l_receiptdate": "1992-07-10", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": "oxes. carefully regular deposits" }
+{ "l_orderkey": 1155, "l_partkey": 70, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3880.28d, "l_discount": 0.09d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-10-19", "l_commitdate": "1997-12-09", "l_receiptdate": "1997-11-02", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "ic foxes according to the carefully final " }
+{ "l_orderkey": 1185, "l_partkey": 72, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 7776.56d, "l_discount": 0.01d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-12-05", "l_commitdate": "1992-10-05", "l_receiptdate": "1992-12-28", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": "ely according to the furiously regular r" }
+{ "l_orderkey": 1216, "l_partkey": 97, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 7976.72d, "l_discount": 0.03d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-02-01", "l_commitdate": "1993-03-06", "l_receiptdate": "1993-02-08", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": " of the carefully express" }
+{ "l_orderkey": 1223, "l_partkey": 100, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 28, "l_extendedprice": 28002.8d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-08-07", "l_commitdate": "1996-07-24", "l_receiptdate": "1996-08-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": " quickly ironic requests. furious" }
+{ "l_orderkey": 1381, "l_partkey": 144, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 49074.58d, "l_discount": 0.08d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-09-22", "l_commitdate": "1998-08-12", "l_receiptdate": "1998-10-12", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": "ly ironic deposits" }
+{ "l_orderkey": 1409, "l_partkey": 99, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 23, "l_extendedprice": 22979.07d, "l_discount": 0.01d, "l_tax": 0.03d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-04-18", "l_commitdate": "1993-02-25", "l_receiptdate": "1993-05-06", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "ions. slyly ironic packages wake quick" }
+{ "l_orderkey": 1445, "l_partkey": 100, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 24, "l_extendedprice": 24002.4d, "l_discount": 0.01d, "l_tax": 0.0d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1995-02-21", "l_commitdate": "1995-02-22", "l_receiptdate": "1995-03-18", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "al accounts use furiously a" }
+{ "l_orderkey": 1477, "l_partkey": 72, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 30134.17d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-16", "l_commitdate": "1997-09-30", "l_receiptdate": "1997-12-17", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": " requests. fluffily final " }
+{ "l_orderkey": 1540, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 40780.46d, "l_discount": 0.03d, "l_tax": 0.01d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-09-30", "l_commitdate": "1992-10-27", "l_receiptdate": "1992-10-12", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": " final grouches bo" }
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+{ "l_orderkey": 1605, "l_partkey": 142, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 48980.58d, "l_discount": 0.0d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-04-29", "l_commitdate": "1998-06-12", "l_receiptdate": "1998-05-20", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": ". carefully r" }
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+{ "l_orderkey": 3366, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.07d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-20", "l_commitdate": "1997-06-25", "l_receiptdate": "1997-06-03", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": " carefully about " }
+{ "l_orderkey": 3425, "l_partkey": 120, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 11221.32d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-04-24", "l_commitdate": "1996-05-29", "l_receiptdate": "1996-05-23", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "ckly final deposits use quickly?" }
+{ "l_orderkey": 3460, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 36440.4d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-28", "l_commitdate": "1995-12-14", "l_receiptdate": "1996-01-02", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "odolites are slyly bold deposits" }
+{ "l_orderkey": 3494, "l_partkey": 117, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 40684.4d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-07-10", "l_commitdate": "1993-06-01", "l_receiptdate": "1993-07-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "lites haggle furiously about the fin" }
+{ "l_orderkey": 3520, "l_partkey": 28, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 27840.6d, "l_discount": 0.04d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-11", "l_commitdate": "1997-10-02", "l_receiptdate": "1997-12-06", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": "deas should solve blithely among the ironi" }
+{ "l_orderkey": 3559, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 28712.61d, "l_discount": 0.0d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-12-10", "l_commitdate": "1992-12-03", "l_receiptdate": "1992-12-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "l, regular accounts wake flu" }
+{ "l_orderkey": 3585, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 21, "l_extendedprice": 21464.52d, "l_discount": 0.05d, "l_tax": 0.04d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-04", "l_commitdate": "1994-12-25", "l_receiptdate": "1995-01-01", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ounts use. express, final platelets us" }
+{ "l_orderkey": 3618, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 39525.32d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-22", "l_commitdate": "1998-02-23", "l_receiptdate": "1998-01-03", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "nts haggle fluffily above the regular " }
+{ "l_orderkey": 3715, "l_partkey": 97, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 13, "l_extendedprice": 12962.17d, "l_discount": 0.0d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-11", "l_commitdate": "1996-04-25", "l_receiptdate": "1996-06-09", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e quickly ironic" }
+{ "l_orderkey": 3844, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2070.26d, "l_discount": 0.03d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-02-24", "l_commitdate": "1995-02-03", "l_receiptdate": "1995-03-18", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "es haggle final acco" }
+{ "l_orderkey": 3878, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 6601.2d, "l_discount": 0.07d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-22", "l_receiptdate": "1997-07-01", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "s. regular instru" }
+{ "l_orderkey": 3906, "l_partkey": 153, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 44232.3d, "l_discount": 0.0d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-09-03", "l_commitdate": "1992-07-22", "l_receiptdate": "1992-09-04", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "jole blithely after the furiously regular " }
+{ "l_orderkey": 3974, "l_partkey": 22, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 43334.94d, "l_discount": 0.1d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-06-03", "l_commitdate": "1996-05-08", "l_receiptdate": "1996-06-28", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "dencies above the re" }
+{ "l_orderkey": 4001, "l_partkey": 106, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 26158.6d, "l_discount": 0.0d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-07-26", "l_commitdate": "1997-06-18", "l_receiptdate": "1997-08-08", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "RAIL", "l_comment": "tegrate blithely" }
+{ "l_orderkey": 4005, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 26, "l_extendedprice": 23504.0d, "l_discount": 0.09d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-12-01", "l_commitdate": "1997-02-03", "l_receiptdate": "1996-12-15", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": " to the quic" }
+{ "l_orderkey": 4033, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 27272.97d, "l_discount": 0.01d, "l_tax": 0.04d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-08-08", "l_commitdate": "1993-08-14", "l_receiptdate": "1993-08-09", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "pinto beans" }
+{ "l_orderkey": 4034, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 48, "l_extendedprice": 52329.12d, "l_discount": 0.03d, "l_tax": 0.03d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-03-01", "l_commitdate": "1994-01-16", "l_receiptdate": "1994-03-16", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": " blithely regular requests play carefull" }
+{ "l_orderkey": 4036, "l_partkey": 6, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 41676.0d, "l_discount": 0.09d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-06-21", "l_commitdate": "1997-05-29", "l_receiptdate": "1997-07-18", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "usly across the even th" }
+{ "l_orderkey": 4064, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 3297.57d, "l_discount": 0.1d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-04", "l_commitdate": "1997-01-01", "l_receiptdate": "1997-01-23", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "its! quickly sp" }
+{ "l_orderkey": 4067, "l_partkey": 180, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 18, "l_extendedprice": 19443.24d, "l_discount": 0.03d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-01-24", "l_commitdate": "1992-12-23", "l_receiptdate": "1993-02-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "FOB", "l_comment": "e the slyly final packages d" }
+{ "l_orderkey": 4068, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 43434.73d, "l_discount": 0.05d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-11-28", "l_commitdate": "1996-11-16", "l_receiptdate": "1996-12-22", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "ructions. regular, special packag" }
+{ "l_orderkey": 4098, "l_partkey": 200, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 50609.2d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-01-26", "l_commitdate": "1997-01-27", "l_receiptdate": "1997-02-13", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "e slyly blithely silent deposits. fluff" }
+{ "l_orderkey": 4192, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 36, "l_extendedprice": 32796.36d, "l_discount": 0.06d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-04-25", "l_commitdate": "1998-05-26", "l_receiptdate": "1998-05-03", "l_shipinstruct": "COLLECT COD", "l_shipmode": "TRUCK", "l_comment": "eodolites sleep" }
+{ "l_orderkey": 4194, "l_partkey": 197, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 47179.17d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-11-06", "l_commitdate": "1994-12-09", "l_receiptdate": "1994-11-16", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "olites are after the exp" }
+{ "l_orderkey": 4261, "l_partkey": 110, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 12, "l_extendedprice": 12121.32d, "l_discount": 0.05d, "l_tax": 0.01d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-11-01", "l_commitdate": "1993-01-01", "l_receiptdate": "1992-11-12", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": "into beans " }
+{ "l_orderkey": 4418, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 32, "l_extendedprice": 29920.96d, "l_discount": 0.02d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-05-28", "l_commitdate": "1993-06-02", "l_receiptdate": "1993-05-30", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "ly. bold pinto b" }
+{ "l_orderkey": 4422, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 5175.65d, "l_discount": 0.09d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-17", "l_commitdate": "1995-08-13", "l_receiptdate": "1995-07-25", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "e furiously about t" }
+{ "l_orderkey": 4486, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 46, "l_extendedprice": 47615.98d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-05-02", "l_commitdate": "1998-04-05", "l_receiptdate": "1998-05-08", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "ackages. specia" }
+{ "l_orderkey": 4512, "l_partkey": 162, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 31864.8d, "l_discount": 0.07d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-01-28", "l_commitdate": "1995-12-22", "l_receiptdate": "1996-02-22", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ly unusual package" }
+{ "l_orderkey": 4513, "l_partkey": 170, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 31034.93d, "l_discount": 0.03d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-18", "l_commitdate": "1996-05-23", "l_receiptdate": "1996-06-08", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "cajole. regular packages boost. s" }
+{ "l_orderkey": 4545, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 38, "l_extendedprice": 40780.46d, "l_discount": 0.06d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-01-27", "l_commitdate": "1993-03-01", "l_receiptdate": "1993-02-04", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "nts serve according to th" }
+{ "l_orderkey": 4549, "l_partkey": 159, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 46602.6d, "l_discount": 0.08d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-03-13", "l_commitdate": "1998-04-15", "l_receiptdate": "1998-03-27", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "ding to the regular, silent requests" }
+{ "l_orderkey": 4551, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 5466.06d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-05-18", "l_commitdate": "1996-04-23", "l_receiptdate": "1996-06-13", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "fily silent fo" }
+{ "l_orderkey": 4576, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 5, "l_extendedprice": 4950.45d, "l_discount": 0.09d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-08-23", "l_commitdate": "1996-11-08", "l_receiptdate": "1996-09-20", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "ly express, special asymptote" }
+{ "l_orderkey": 4608, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 32195.1d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-10-08", "l_commitdate": "1994-07-18", "l_receiptdate": "1994-10-25", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "s cajole. slyly " }
+{ "l_orderkey": 4641, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 45, "l_extendedprice": 49058.55d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-05-11", "l_commitdate": "1993-04-19", "l_receiptdate": "1993-05-21", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": " about the close " }
+{ "l_orderkey": 4679, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 7, "l_extendedprice": 7631.33d, "l_discount": 0.1d, "l_tax": 0.05d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-05-11", "l_commitdate": "1993-04-11", "l_receiptdate": "1993-05-16", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "kages. bold, regular packa" }
+{ "l_orderkey": 4769, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 16, "l_extendedprice": 14960.48d, "l_discount": 0.08d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-07-16", "l_commitdate": "1995-07-05", "l_receiptdate": "1995-07-22", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "FOB", "l_comment": " deposits. slyly even asymptote" }
+{ "l_orderkey": 4802, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 6, "l_extendedprice": 5640.24d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-04-16", "l_commitdate": "1997-03-25", "l_receiptdate": "1997-04-21", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "unusual accounts wake blithely. b" }
+{ "l_orderkey": 4804, "l_partkey": 128, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 45237.28d, "l_discount": 0.06d, "l_tax": 0.08d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-05-02", "l_commitdate": "1992-03-24", "l_receiptdate": "1992-05-28", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "AIR", "l_comment": "aggle quickly among the slyly fi" }
+{ "l_orderkey": 4805, "l_partkey": 150, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 7, "l_extendedprice": 7351.05d, "l_discount": 0.09d, "l_tax": 0.03d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-05-01", "l_commitdate": "1992-07-09", "l_receiptdate": "1992-05-09", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": " requests. regular deposit" }
+{ "l_orderkey": 4807, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 9, "l_extendedprice": 9199.08d, "l_discount": 0.04d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-04-23", "l_commitdate": "1997-03-01", "l_receiptdate": "1997-05-15", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "TRUCK", "l_comment": "may are blithely. carefully even pinto b" }
+{ "l_orderkey": 4836, "l_partkey": 162, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 22, "l_extendedprice": 23367.52d, "l_discount": 0.01d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-03", "l_commitdate": "1997-02-23", "l_receiptdate": "1997-03-04", "l_shipinstruct": "NONE", "l_shipmode": "SHIP", "l_comment": "al pinto beans. care" }
+{ "l_orderkey": 4837, "l_partkey": 42, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 16, "l_extendedprice": 15072.64d, "l_discount": 0.09d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-08-12", "l_commitdate": "1998-06-06", "l_receiptdate": "1998-08-26", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "ing requests are blithely regular instructi" }
+{ "l_orderkey": 4898, "l_partkey": 72, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 42771.08d, "l_discount": 0.07d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-09-13", "l_commitdate": "1994-08-18", "l_receiptdate": "1994-09-16", "l_shipinstruct": "NONE", "l_shipmode": "FOB", "l_comment": "y regular grouches about" }
+{ "l_orderkey": 4928, "l_partkey": 100, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4000.4d, "l_discount": 0.04d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-10-25", "l_commitdate": "1993-12-24", "l_receiptdate": "1993-11-16", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": "bout the slyly final accounts. carefull" }
+{ "l_orderkey": 4929, "l_partkey": 14, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 20, "l_extendedprice": 18280.2d, "l_discount": 0.0d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-03-12", "l_commitdate": "1996-05-23", "l_receiptdate": "1996-03-20", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": " final pinto beans detect. final," }
+{ "l_orderkey": 4967, "l_partkey": 71, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 50, "l_extendedprice": 48553.5d, "l_discount": 0.07d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-05-27", "l_commitdate": "1997-05-13", "l_receiptdate": "1997-06-12", "l_shipinstruct": "NONE", "l_shipmode": "REG AIR", "l_comment": "kages. final, unusual accounts c" }
+{ "l_orderkey": 4996, "l_partkey": 56, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 35, "l_extendedprice": 33461.75d, "l_discount": 0.07d, "l_tax": 0.01d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-10-30", "l_commitdate": "1992-10-27", "l_receiptdate": "1992-11-05", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "SHIP", "l_comment": "s. unusual, regular dolphins integrate care" }
+{ "l_orderkey": 5028, "l_partkey": 14, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 15, "l_extendedprice": 13710.15d, "l_discount": 0.07d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-07-17", "l_commitdate": "1992-07-16", "l_receiptdate": "1992-08-05", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "es are quickly final pains. furiously pend" }
+{ "l_orderkey": 5031, "l_partkey": 50, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 15, "l_extendedprice": 14250.75d, "l_discount": 0.02d, "l_tax": 0.05d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1995-04-01", "l_commitdate": "1995-02-24", "l_receiptdate": "1995-04-12", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": "yly pending theodolites." }
+{ "l_orderkey": 5092, "l_partkey": 164, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 30, "l_extendedprice": 31924.8d, "l_discount": 0.06d, "l_tax": 0.0d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-27", "l_commitdate": "1995-12-08", "l_receiptdate": "1996-01-09", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": "ss, ironic deposits. furiously stea" }
+{ "l_orderkey": 5153, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 42, "l_extendedprice": 39271.26d, "l_discount": 0.03d, "l_tax": 0.01d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-10-03", "l_commitdate": "1995-11-09", "l_receiptdate": "1995-10-11", "l_shipinstruct": "COLLECT COD", "l_shipmode": "RAIL", "l_comment": "re thinly. ironic" }
+{ "l_orderkey": 5154, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 11, "l_extendedprice": 11992.09d, "l_discount": 0.02d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-08-06", "l_commitdate": "1997-06-30", "l_receiptdate": "1997-09-04", "l_shipinstruct": "NONE", "l_shipmode": "RAIL", "l_comment": "luffily bold foxes. final" }
+{ "l_orderkey": 5185, "l_partkey": 197, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 37, "l_extendedprice": 40596.03d, "l_discount": 0.0d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-08-08", "l_commitdate": "1997-09-08", "l_receiptdate": "1997-08-14", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": "gainst the courts dazzle care" }
+{ "l_orderkey": 5187, "l_partkey": 11, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 44639.49d, "l_discount": 0.04d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-10-20", "l_commitdate": "1997-10-12", "l_receiptdate": "1997-10-26", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "AIR", "l_comment": "l, regular platelets instead of the foxes w" }
+{ "l_orderkey": 5190, "l_partkey": 56, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 43, "l_extendedprice": 41110.15d, "l_discount": 0.09d, "l_tax": 0.06d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1992-08-19", "l_commitdate": "1992-06-10", "l_receiptdate": "1992-09-01", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "encies use fluffily unusual requests? hoc" }
+{ "l_orderkey": 5217, "l_partkey": 80, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 50, "l_extendedprice": 49004.0d, "l_discount": 0.05d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-12-26", "l_commitdate": "1995-11-21", "l_receiptdate": "1996-01-24", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": "s. express, express accounts c" }
+{ "l_orderkey": 5281, "l_partkey": 114, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 37, "l_extendedprice": 37522.07d, "l_discount": 0.05d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-11-10", "l_commitdate": "1996-01-31", "l_receiptdate": "1995-11-22", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "MAIL", "l_comment": "ronic dependencies. fluffily final p" }
+{ "l_orderkey": 5284, "l_partkey": 173, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 16, "l_extendedprice": 17170.72d, "l_discount": 0.04d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-08-17", "l_commitdate": "1995-08-23", "l_receiptdate": "1995-08-26", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "unts detect furiously even d" }
+{ "l_orderkey": 5286, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 1, "l_extendedprice": 1099.19d, "l_discount": 0.01d, "l_tax": 0.07d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-25", "l_commitdate": "1997-11-07", "l_receiptdate": "1997-12-17", "l_shipinstruct": "COLLECT COD", "l_shipmode": "REG AIR", "l_comment": "ly! furiously final pack" }
+{ "l_orderkey": 5313, "l_partkey": 17, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 34, "l_extendedprice": 31178.34d, "l_discount": 0.1d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-08-07", "l_commitdate": "1997-08-12", "l_receiptdate": "1997-08-24", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "FOB", "l_comment": "ccording to the blithely final account" }
+{ "l_orderkey": 5315, "l_partkey": 35, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 12, "l_extendedprice": 11220.36d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-12-18", "l_commitdate": "1993-01-16", "l_receiptdate": "1993-01-10", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": "ccounts. furiously ironi" }
+{ "l_orderkey": 5316, "l_partkey": 108, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 29, "l_extendedprice": 29234.9d, "l_discount": 0.1d, "l_tax": 0.05d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-03-28", "l_commitdate": "1994-04-29", "l_receiptdate": "1994-04-09", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "REG AIR", "l_comment": "ckly unusual foxes bo" }
+{ "l_orderkey": 5379, "l_partkey": 199, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 40, "l_extendedprice": 43967.6d, "l_discount": 0.01d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-10-01", "l_commitdate": "1995-10-19", "l_receiptdate": "1995-10-30", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "carefully final accounts haggle blithely. " }
+{ "l_orderkey": 5441, "l_partkey": 164, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 3, "l_extendedprice": 3192.48d, "l_discount": 0.0d, "l_tax": 0.02d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-08-12", "l_commitdate": "1994-10-14", "l_receiptdate": "1994-09-01", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": "are. unusual, " }
+{ "l_orderkey": 5445, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 33, "l_extendedprice": 32672.97d, "l_discount": 0.08d, "l_tax": 0.07d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1993-10-21", "l_commitdate": "1993-10-14", "l_receiptdate": "1993-10-28", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "REG AIR", "l_comment": "ests. final instructions" }
+{ "l_orderkey": 5446, "l_partkey": 190, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 29435.13d, "l_discount": 0.05d, "l_tax": 0.07d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-07-21", "l_commitdate": "1994-08-25", "l_receiptdate": "1994-08-17", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "RAIL", "l_comment": "ously across the quic" }
+{ "l_orderkey": 5447, "l_partkey": 99, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 31, "l_extendedprice": 30971.79d, "l_discount": 0.09d, "l_tax": 0.03d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1996-07-14", "l_commitdate": "1996-05-07", "l_receiptdate": "1996-07-17", "l_shipinstruct": "COLLECT COD", "l_shipmode": "SHIP", "l_comment": " foxes sleep. blithely unusual accounts det" }
+{ "l_orderkey": 5476, "l_partkey": 48, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 13, "l_extendedprice": 12324.52d, "l_discount": 0.01d, "l_tax": 0.04d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-12-27", "l_commitdate": "1997-12-08", "l_receiptdate": "1997-12-29", "l_shipinstruct": "COLLECT COD", "l_shipmode": "TRUCK", "l_comment": "iously special ac" }
+{ "l_orderkey": 5506, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 2, "l_extendedprice": 2080.28d, "l_discount": 0.0d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-02-04", "l_commitdate": "1994-01-13", "l_receiptdate": "1994-02-17", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "onic theodolites are fluffil" }
+{ "l_orderkey": 5536, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 13861.26d, "l_discount": 0.08d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-05-18", "l_commitdate": "1998-05-08", "l_receiptdate": "1998-06-05", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "instructions sleep " }
+{ "l_orderkey": 5572, "l_partkey": 22, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 24, "l_extendedprice": 22128.48d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-10-30", "l_commitdate": "1994-10-02", "l_receiptdate": "1994-11-27", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "ests cajole. evenly ironic exc" }
+{ "l_orderkey": 5664, "l_partkey": 122, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 25, "l_extendedprice": 25553.0d, "l_discount": 0.0d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-10-29", "l_commitdate": "1998-09-23", "l_receiptdate": "1998-11-25", "l_shipinstruct": "COLLECT COD", "l_shipmode": "FOB", "l_comment": "eposits: furiously ironic grouch" }
+{ "l_orderkey": 5670, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 27, "l_extendedprice": 26732.43d, "l_discount": 0.1d, "l_tax": 0.06d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1993-05-09", "l_commitdate": "1993-05-30", "l_receiptdate": "1993-06-06", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "REG AIR", "l_comment": " ideas promise bli" }
+{ "l_orderkey": 5728, "l_partkey": 44, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 47, "l_extendedprice": 44369.88d, "l_discount": 0.1d, "l_tax": 0.05d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-13", "l_commitdate": "1995-01-25", "l_receiptdate": "1994-12-25", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "nd the bravely final deposits. final ideas" }
+{ "l_orderkey": 5735, "l_partkey": 60, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 39362.46d, "l_discount": 0.01d, "l_tax": 0.01d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-12-23", "l_commitdate": "1995-02-10", "l_receiptdate": "1995-01-22", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "lthily ruthless i" }
+{ "l_orderkey": 5826, "l_partkey": 144, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 4176.56d, "l_discount": 0.03d, "l_tax": 0.06d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1998-07-31", "l_commitdate": "1998-09-10", "l_receiptdate": "1998-08-27", "l_shipinstruct": "NONE", "l_shipmode": "AIR", "l_comment": " packages across the fluffily spec" }
+{ "l_orderkey": 5829, "l_partkey": 40, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 4, "l_extendedprice": 3760.16d, "l_discount": 0.01d, "l_tax": 0.02d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-03-01", "l_commitdate": "1997-02-17", "l_receiptdate": "1997-03-22", "l_shipinstruct": "NONE", "l_shipmode": "TRUCK", "l_comment": "ithely; accounts cajole ideas. regular foxe" }
+{ "l_orderkey": 5856, "l_partkey": 4, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 1, "l_extendedprice": 904.0d, "l_discount": 0.03d, "l_tax": 0.02d, "l_returnflag": "A", "l_linestatus": "F", "l_shipdate": "1994-12-29", "l_commitdate": "1995-01-07", "l_receiptdate": "1995-01-10", "l_shipinstruct": "TAKE BACK RETURN", "l_shipmode": "MAIL", "l_comment": "tly. special deposits wake blithely even" }
+{ "l_orderkey": 5926, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 8, "l_extendedprice": 7920.72d, "l_discount": 0.02d, "l_tax": 0.0d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-07-17", "l_commitdate": "1994-07-20", "l_receiptdate": "1994-08-11", "l_shipinstruct": "COLLECT COD", "l_shipmode": "MAIL", "l_comment": "gle furiously express foxes. bo" }
+{ "l_orderkey": 5927, "l_partkey": 90, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 44, "l_extendedprice": 43563.96d, "l_discount": 0.04d, "l_tax": 0.05d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1997-11-29", "l_commitdate": "1997-11-21", "l_receiptdate": "1997-12-13", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": "rding to the special, final decoy" }
+{ "l_orderkey": 5955, "l_partkey": 140, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 14, "l_extendedprice": 14561.96d, "l_discount": 0.08d, "l_tax": 0.08d, "l_returnflag": "N", "l_linestatus": "O", "l_shipdate": "1995-06-22", "l_commitdate": "1995-05-23", "l_receiptdate": "1995-06-24", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "TRUCK", "l_comment": " unusual, bold theodolit" }
+{ "l_orderkey": 5959, "l_partkey": 135, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 49, "l_extendedprice": 50721.37d, "l_discount": 0.07d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1992-07-16", "l_commitdate": "1992-08-09", "l_receiptdate": "1992-08-14", "l_shipinstruct": "DELIVER IN PERSON", "l_shipmode": "SHIP", "l_comment": "usual packages haggle slyly pi" }
+{ "l_orderkey": 5988, "l_partkey": 172, "l_suppkey": 1, "l_linenumber": 1, "l_quantity": 41, "l_extendedprice": 43958.97d, "l_discount": 0.08d, "l_tax": 0.03d, "l_returnflag": "R", "l_linestatus": "F", "l_shipdate": "1994-01-20", "l_commitdate": "1994-02-06", "l_receiptdate": "1994-02-10", "l_shipinstruct": "COLLECT COD", "l_shipmode": "AIR", "l_comment": "the pending, express reque" }
diff --git a/asterix-app/src/test/resources/runtimets/results/feeds/feeds_01/feeds_01.1.adm b/asterix-app/src/test/resources/runtimets/results/feeds/feeds_01/feeds_01.1.adm
index 4e3714c..dec4c6c 100644
--- a/asterix-app/src/test/resources/runtimets/results/feeds/feeds_01/feeds_01.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/feeds/feeds_01/feeds_01.1.adm
@@ -1 +1 @@
-{ "DataverseName": "feeds", "DatasetName": "TweetFeed", "DataTypeName": "TweetType", "DatasetType": "FEED", "InternalDetails": null, "ExternalDetails": null, "FeedDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "DatasourceAdapter": "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory", "Properties": [ { "Name": "output-type-name", "Value": "TweetType" }, { "Name": "fs", "Value": "localfs" }, { "Name": "path", "Value": "nc1://data/twitter/obamatweets.adm" }, { "Name": "format", "Value": "adm" }, { "Name": "tuple-interval", "Value": "10" } ], "Function": null, "Status": "INACTIVE" }, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:07:24 PST 2013" }
+{ "DataverseName": "feeds", "DatasetName": "TweetFeed", "DataTypeName": "TweetType", "DatasetType": "FEED", "InternalDetails": null, "ExternalDetails": null, "FeedDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "DatasourceAdapter": "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory", "Properties": [ { "Name": "output-type-name", "Value": "TweetType" }, { "Name": "fs", "Value": "localfs" }, { "Name": "path", "Value": "nc1://data/twitter/obamatweets.adm" }, { "Name": "format", "Value": "adm" }, { "Name": "tuple-interval", "Value": "10" } ], "Function": null, "Status": "INACTIVE", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:44:30 PDT 2013", "DatasetId": 705, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/feeds/feeds_03/feeds_03.1.adm b/asterix-app/src/test/resources/runtimets/results/feeds/feeds_03/feeds_03.1.adm
index 8011e4b..3fa1d10 100644
--- a/asterix-app/src/test/resources/runtimets/results/feeds/feeds_03/feeds_03.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/feeds/feeds_03/feeds_03.1.adm
@@ -1 +1 @@
-{ "DataverseName": "feeds", "DatasetName": "TweetFeed", "DataTypeName": "TweetType", "DatasetType": "FEED", "InternalDetails": null, "ExternalDetails": null, "FeedDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "DatasourceAdapter": "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory", "Properties": [ { "Name": "output-type-name", "Value": "TweetType" }, { "Name": "fs", "Value": "localfs" }, { "Name": "path", "Value": "nc1://data/twitter/obamatweets.adm" }, { "Name": "format", "Value": "adm" }, { "Name": "tuple-interval", "Value": "10" } ], "Function": "feeds.feed_processor@1", "Status": "INACTIVE" }, "Hints": {{  }}, "Timestamp": "Tue Jan 29 19:08:49 PST 2013" }
+{ "DataverseName": "feeds", "DatasetName": "TweetFeed", "DataTypeName": "TweetType", "DatasetType": "FEED", "InternalDetails": null, "ExternalDetails": null, "FeedDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "DatasourceAdapter": "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory", "Properties": [ { "Name": "output-type-name", "Value": "TweetType" }, { "Name": "fs", "Value": "localfs" }, { "Name": "path", "Value": "nc1://data/twitter/obamatweets.adm" }, { "Name": "format", "Value": "adm" }, { "Name": "tuple-interval", "Value": "10" } ], "Function": "feeds.feed_processor@1", "Status": "INACTIVE", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:44:30 PDT 2013", "DatasetId": 707, "PendingOp": 0 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/user-defined-functions/udf23/udf23.1.adm b/asterix-app/src/test/resources/runtimets/results/user-defined-functions/udf23/udf23.1.adm
index c42d848..c084678 100644
--- a/asterix-app/src/test/resources/runtimets/results/user-defined-functions/udf23/udf23.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/user-defined-functions/udf23/udf23.1.adm
@@ -1,6 +1,6 @@
-{ "DataverseName": "DMLTest", "DatasetName": "FacebookUsers1", "DataTypeName": "FacebookUserType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:32:02 PDT 2013", "DatasetId": 366, "PendingOp": 0 }
-{ "DataverseName": "DMLTest", "DatasetName": "FacebookUsers2", "DataTypeName": "FacebookUserType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:32:02 PDT 2013", "DatasetId": 367, "PendingOp": 0 }
-{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:30:56 PDT 2013", "DatasetId": 2, "PendingOp": 0 }
-{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:30:57 PDT 2013", "DatasetId": 8, "PendingOp": 0 }
-{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:30:57 PDT 2013", "DatasetId": 3, "PendingOp": 0 }
-{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Mon Jun 03 02:30:56 PDT 2013", "DatasetId": 1, "PendingOp": 0 }
+{ "DataverseName": "DMLTest", "DatasetName": "FacebookUsers1", "DataTypeName": "FacebookUserType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:07 PDT 2013", "DatasetId": 375, "PendingOp": 0 }
+{ "DataverseName": "DMLTest", "DatasetName": "FacebookUsers2", "DataTypeName": "FacebookUserType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:26:07 PDT 2013", "DatasetId": 376, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "CompactionPolicy", "DataTypeName": "CompactionPolicyRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "CompactionPolicy" ], "PrimaryKey": [ "DataverseName", "CompactionPolicy" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:24:38 PDT 2013", "DatasetId": 9, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:24:38 PDT 2013", "DatasetId": 2, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:24:38 PDT 2013", "DatasetId": 8, "PendingOp": 0 }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup", "CompactionPolicy": "prefix", "CompactionPolicyProperties": [ { "Name": "max-mergable-component-size", "Value": "1073741824" }, { "Name": "max-tolernace-component-count", "Value": "5" } ] }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Sun Sep 22 22:24:38 PDT 2013", "DatasetId": 3, "PendingOp": 0 }
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 2d07061..3abacd5 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -909,6 +909,21 @@
     -->
   </test-group>
   <test-group name="dml">
+      <test-case FilePath="dml">
+      <compilation-unit name="compact-dataset-and-its-indexes">
+        <output-dir compare="Text">compact-dataset-and-its-indexes</output-dir>
+      </compilation-unit>
+     </test-case>
+     <test-case FilePath="dml">
+      <compilation-unit name="using-constant-merge-policy">
+        <output-dir compare="Text">using-constant-merge-policy</output-dir>
+      </compilation-unit>
+     </test-case>
+     <test-case FilePath="dml">
+      <compilation-unit name="using-prefix-merge-policy">
+        <output-dir compare="Text">using-prefix-merge-policy</output-dir>
+      </compilation-unit>
+     </test-case>
      <test-case FilePath="dml">
       <compilation-unit name="query-issue382">
         <output-dir compare="Text">query-issue382</output-dir>
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/base/Statement.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/base/Statement.java
index 98f8387..34693e4 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/base/Statement.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/base/Statement.java
@@ -40,7 +40,8 @@
         BEGIN_FEED,
         CONTROL_FEED,
         CREATE_FUNCTION,
-        FUNCTION_DROP
+        FUNCTION_DROP,
+        COMPACT
     }
 
     public abstract Kind getKind();
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/CompactStatement.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/CompactStatement.java
new file mode 100644
index 0000000..a729306
--- /dev/null
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/CompactStatement.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed 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 from
+ * 
+ *     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 edu.uci.ics.asterix.aql.expression;
+
+import edu.uci.ics.asterix.aql.base.Statement;
+import edu.uci.ics.asterix.aql.expression.visitor.IAqlExpressionVisitor;
+import edu.uci.ics.asterix.aql.expression.visitor.IAqlVisitorWithVoidReturn;
+import edu.uci.ics.asterix.common.exceptions.AsterixException;
+
+public class CompactStatement implements Statement {
+
+    private final Identifier dataverseName;
+    private final Identifier datasetName;
+
+    public CompactStatement(Identifier dataverseName, Identifier datasetName) {
+        this.dataverseName = dataverseName;
+        this.datasetName = datasetName;
+    }
+
+    @Override
+    public Kind getKind() {
+        return Kind.COMPACT;
+    }
+
+    public Identifier getDataverseName() {
+        return dataverseName;
+    }
+
+    public Identifier getDatasetName() {
+        return datasetName;
+    }
+
+    @Override
+    public <R, T> R accept(IAqlExpressionVisitor<R, T> visitor, T arg) throws AsterixException {
+        return visitor.visitCompactStatement(this, arg);
+    }
+
+    @Override
+    public <T> void accept(IAqlVisitorWithVoidReturn<T> visitor, T arg) throws AsterixException {
+        visitor.visit(this, arg);
+    }
+}
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/FeedDetailsDecl.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/FeedDetailsDecl.java
index c63c5de..f664fe3 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/FeedDetailsDecl.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/FeedDetailsDecl.java
@@ -25,8 +25,9 @@
     private final FunctionSignature functionSignature;
 
     public FeedDetailsDecl(String adapterFactoryClassname, Map<String, String> configuration,
-            FunctionSignature signature, Identifier nodeGroupName, List<String> partitioningExpr) {
-        super(nodeGroupName, partitioningExpr);
+            FunctionSignature signature, Identifier nodeGroupName, List<String> partitioningExpr,
+            String compactionPolicy, Map<String, String> compactionPolicyProperties) {
+        super(nodeGroupName, partitioningExpr, compactionPolicy, compactionPolicyProperties);
         this.adapterFactoryClassname = adapterFactoryClassname;
         this.configuration = configuration;
         this.functionSignature = signature;
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/InternalDetailsDecl.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/InternalDetailsDecl.java
index a50625b..d6e2611 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/InternalDetailsDecl.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/InternalDetailsDecl.java
@@ -15,17 +15,23 @@
 package edu.uci.ics.asterix.aql.expression;
 
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
 
 public class InternalDetailsDecl implements IDatasetDetailsDecl {
     private final Identifier nodegroupName;
     private final List<String> partitioningExprs;
+    private final String compactionPolicy;
+    private final Map<String, String> compactionPolicyProperties;
 
-    public InternalDetailsDecl(Identifier nodeGroupName, List<String> partitioningExpr) {
+    public InternalDetailsDecl(Identifier nodeGroupName, List<String> partitioningExpr, String compactionPolicy,
+            Map<String, String> compactionPolicyProperties) {
         this.nodegroupName = nodeGroupName == null ? new Identifier(MetadataConstants.METADATA_DEFAULT_NODEGROUP_NAME)
                 : nodeGroupName;
         this.partitioningExprs = partitioningExpr;
+        this.compactionPolicy = compactionPolicy;
+        this.compactionPolicyProperties = compactionPolicyProperties;
     }
 
     public List<String> getPartitioningExprs() {
@@ -35,4 +41,12 @@
     public Identifier getNodegroupName() {
         return nodegroupName;
     }
+
+    public String getCompactionPolicy() {
+        return compactionPolicy;
+    }
+
+    public Map<String, String> getCompactionPolicyProperties() {
+        return compactionPolicyProperties;
+    }
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/AQLPrintVisitor.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/AQLPrintVisitor.java
index cdbd86f..aac2b6b 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/AQLPrintVisitor.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/AQLPrintVisitor.java
@@ -23,6 +23,7 @@
 import edu.uci.ics.asterix.aql.base.Literal;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -533,4 +534,10 @@
 
     }
 
+    @Override
+    public void visit(CompactStatement fds, Integer arg) throws AsterixException {
+        // TODO Auto-generated method stub
+        
+    }
+
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlExpressionVisitor.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlExpressionVisitor.java
index 7fbf342..d9a92b4 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlExpressionVisitor.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlExpressionVisitor.java
@@ -16,6 +16,7 @@
 
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -162,4 +163,6 @@
 
     R visitFunctionDropStatement(FunctionDropStatement del, T arg) throws AsterixException;
 
+    R visitCompactStatement(CompactStatement del, T arg) throws AsterixException;
+
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlVisitorWithVoidReturn.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlVisitorWithVoidReturn.java
index b936c63..61a7183 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlVisitorWithVoidReturn.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/expression/visitor/IAqlVisitorWithVoidReturn.java
@@ -16,6 +16,7 @@
 
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -161,4 +162,6 @@
     void visit(CreateFunctionStatement cfs, T arg) throws AsterixException;
 
     void visit(FunctionDropStatement fds, T arg) throws AsterixException;
+
+    void visit(CompactStatement fds, T arg) throws AsterixException;
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/AqlRewriter.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/AqlRewriter.java
index a9d8585..203758d 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/AqlRewriter.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/AqlRewriter.java
@@ -26,6 +26,7 @@
 import edu.uci.ics.asterix.aql.base.Expression.Kind;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -547,5 +548,11 @@
             return null;
         }
 
+        @Override
+        public Void visitCompactStatement(CompactStatement del, Void arg) throws AsterixException {
+            // TODO Auto-generated method stub
+            return null;
+        }
+
     }
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/CloneAndSubstituteVariablesVisitor.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/CloneAndSubstituteVariablesVisitor.java
index dcb4a66..d860b0c 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/CloneAndSubstituteVariablesVisitor.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/CloneAndSubstituteVariablesVisitor.java
@@ -23,6 +23,7 @@
 import edu.uci.ics.asterix.aql.base.IAqlExpression;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -582,4 +583,11 @@
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public Pair<IAqlExpression, List<VariableSubstitution>> visitCompactStatement(CompactStatement del,
+            List<VariableSubstitution> arg) throws AsterixException {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/InlineUdfsVisitor.java b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/InlineUdfsVisitor.java
index ae5d7d9..fc7acfe 100644
--- a/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/InlineUdfsVisitor.java
+++ b/asterix-aql/src/main/java/edu/uci/ics/asterix/aql/rewrites/InlineUdfsVisitor.java
@@ -24,6 +24,7 @@
 import edu.uci.ics.asterix.aql.base.IAqlExpression;
 import edu.uci.ics.asterix.aql.expression.BeginFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CallExpr;
+import edu.uci.ics.asterix.aql.expression.CompactStatement;
 import edu.uci.ics.asterix.aql.expression.ControlFeedStatement;
 import edu.uci.ics.asterix.aql.expression.CreateDataverseStatement;
 import edu.uci.ics.asterix.aql.expression.CreateFunctionStatement;
@@ -522,4 +523,10 @@
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public Boolean visitCompactStatement(CompactStatement del, List<FunctionDecl> arg) throws AsterixException {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/asterix-aql/src/main/javacc/AQL.jj b/asterix-aql/src/main/javacc/AQL.jj
index cb6336b..9080f9c 100644
--- a/asterix-aql/src/main/javacc/AQL.jj
+++ b/asterix-aql/src/main/javacc/AQL.jj
@@ -193,6 +193,7 @@
     | stmt = DeleteStatement()
     | stmt = UpdateStatement()       
     | stmt = FeedStatement()
+    | stmt = CompactStatement()
     | stmt = Query()
   )
   {
@@ -296,11 +297,13 @@
   String typeName = null;
   String adapterName = null;
   Map<String,String> properties = null;
+  Map<String,String> compactionPolicyProperties = null;
   FunctionSignature appliedFunction = null;
   List<String> primaryKeyFields = null;
   String nodeGroupName = null;
   Map<String,String> hints = new HashMap<String,String>();  
   DatasetDecl dsetDecl = null;
+  String compactionPolicy = null;
 }
 {
   (
@@ -329,6 +332,7 @@
     (appliedFunction = ApplyFunction())? primaryKeyFields = PrimaryKey()
     ( "on" nodeGroupName = Identifier() )?
     ( "hints" hints = Properties() )?
+    ( "using" "compaction" "policy" compactionPolicy = CompactionPolicy() compactionPolicyProperties = Configuration() )?
       {
         FeedDetailsDecl fdd = new FeedDetailsDecl(adapterName,
                                                   properties,
@@ -336,7 +340,9 @@
                                                   nodeGroupName != null
                                                     ? new Identifier(nodeGroupName)
                                                     : null,
-                                                  primaryKeyFields);
+                                                  primaryKeyFields,
+                                                  compactionPolicy,
+                                                  compactionPolicyProperties);
         dsetDecl = new DatasetDecl(nameComponents.first,
                                    nameComponents.second,
                                    new Identifier(typeName),
@@ -350,11 +356,14 @@
     ifNotExists = IfNotExists()
     primaryKeyFields = PrimaryKey() ("on" nodeGroupName = Identifier() )?
     ( "hints" hints = Properties() )?
+    ( "using" "compaction" "policy" compactionPolicy = CompactionPolicy() compactionPolicyProperties = Configuration() )?
       {
         InternalDetailsDecl idd = new InternalDetailsDecl(nodeGroupName != null
                                                             ? new Identifier(nodeGroupName)
                                                             : null,
-                                                          primaryKeyFields);
+                                                          primaryKeyFields,
+                                                          compactionPolicy,
+                                                          compactionPolicyProperties);
         dsetDecl = new DatasetDecl(nameComponents.first,
                                    nameComponents.second,
                                    new Identifier(typeName),
@@ -404,6 +413,17 @@
     }
 }
 
+String CompactionPolicy() throws ParseException :
+{
+  String compactionPolicy = null;
+}
+{
+  compactionPolicy = Identifier()
+    {
+	  return compactionPolicy;
+    }
+}
+
 IndexParams IndexType() throws ParseException:
 {
   IndexType type = null;
@@ -772,6 +792,21 @@
     }
 }
 
+Statement CompactStatement() throws ParseException:
+{
+  Pair<Identifier,Identifier> nameComponents = null;
+  Statement stmt = null;
+}
+{
+  "compact" <DATASET> nameComponents = QualifiedName()
+    {
+	  stmt = new CompactStatement(nameComponents.first, nameComponents.second);
+    }
+    {
+	  return stmt;  
+    }
+}
+
 Statement FeedStatement() throws ParseException:
 {
   Pair<Identifier,Identifier> nameComponents = null;
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/IAsterixAppRuntimeContext.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/IAsterixAppRuntimeContext.java
index 4287212..f05efe6 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/IAsterixAppRuntimeContext.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/IAsterixAppRuntimeContext.java
@@ -23,7 +23,7 @@
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
@@ -39,9 +39,9 @@
 
     public ILSMIOOperationScheduler getLSMIOScheduler();
 
-    public int getMetaDataIODeviceId();
+    public ILSMMergePolicyFactory getMetadataMergePolicyFactory();
 
-    public ILSMMergePolicy getLSMMergePolicy();
+    public int getMetaDataIODeviceId();
 
     public IBufferCache getBufferCache();
 
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixStorageProperties.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixStorageProperties.java
index d7ff15d..bdaf27c 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixStorageProperties.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixStorageProperties.java
@@ -17,19 +17,22 @@
 public class AsterixStorageProperties extends AbstractAsterixProperties {
 
     private static final String STORAGE_BUFFERCACHE_PAGESIZE_KEY = "storage.buffercache.pagesize";
-    private static int STORAGE_BUFFERCACHE_PAGESIZE_DEFAULT = (32 << 10); // 32KB
+    private static int STORAGE_BUFFERCACHE_PAGESIZE_DEFAULT = (128 << 10); // 128KB
 
     private static final String STORAGE_BUFFERCACHE_SIZE_KEY = "storage.buffercache.size";
-    private static final long STORAGE_BUFFERCACHE_SIZE_DEFAULT = (32 << 20); // 32 MB
+    private static final long STORAGE_BUFFERCACHE_SIZE_DEFAULT = (512 << 20); // 512 MB
 
     private static final String STORAGE_BUFFERCACHE_MAXOPENFILES_KEY = "storage.buffercache.maxopenfiles";
     private static int STORAGE_BUFFERCACHE_MAXOPENFILES_DEFAULT = Integer.MAX_VALUE;
 
     private static final String STORAGE_MEMORYCOMPONENT_PAGESIZE_KEY = "storage.memorycomponent.pagesize";
-    private static final int STORAGE_MEMORYCOMPONENT_PAGESIZE_DEFAULT = (32 << 10); // 32KB
+    private static final int STORAGE_MEMORYCOMPONENT_PAGESIZE_DEFAULT = (128 << 10); // 128KB
 
     private static final String STORAGE_MEMORYCOMPONENT_NUMPAGES_KEY = "storage.memorycomponent.numpages";
-    private static final int STORAGE_MEMORYCOMPONENT_NUMPAGES_DEFAULT = 1024; // ... so 32MB components
+    private static final int STORAGE_MEMORYCOMPONENT_NUMPAGES_DEFAULT = 256; // ... so 32MB components
+
+    private static final String STORAGE_METADATA_MEMORYCOMPONENT_NUMPAGES_KEY = "storage.metadata.memorycomponent.numpages";
+    private static final int STORAGE_METADATA_MEMORYCOMPONENT_NUMPAGES_DEFAULT = 256; // ... so 32MB components
 
     private static final String STORAGE_MEMORYCOMPONENT_NUMCOMPONENTS_KEY = "storage.memorycomponent.numcomponents";
     private static final int STORAGE_MEMORYCOMPONENT_NUMCOMPONENTS_DEFAULT = 2; // 2 components
@@ -37,9 +40,6 @@
     private static final String STORAGE_MEMORYCOMPONENT_GLOBALBUDGET_KEY = "storage.memorycomponent.globalbudget";
     private static final long STORAGE_MEMORYCOMPONENT_GLOBALBUDGET_DEFAULT = 536870912; // 512MB
 
-    private static final String STORAGE_LSM_MERGETHRESHOLD_KEY = "storage.lsm.mergethreshold";
-    private static int STORAGE_LSM_MERGETHRESHOLD_DEFAULT = 3;
-
     private static final String STORAGE_LSM_BLOOMFILTER_FALSEPOSITIVERATE_KEY = "storage.lsm.bloomfilter.falsepositiverate";
     private static double STORAGE_LSM_BLOOMFILTER_FALSEPOSITIVERATE_DEFAULT = 0.01;
 
@@ -76,6 +76,13 @@
                 PropertyInterpreters.getIntegerPropertyInterpreter());
     }
 
+    public int getMetadataMemoryComponentNumPages() {
+        return accessor
+                .getProperty(STORAGE_METADATA_MEMORYCOMPONENT_NUMPAGES_KEY,
+                        STORAGE_METADATA_MEMORYCOMPONENT_NUMPAGES_DEFAULT,
+                        PropertyInterpreters.getIntegerPropertyInterpreter());
+    }
+
     public int getMemoryComponentsNum() {
         return accessor.getProperty(STORAGE_MEMORYCOMPONENT_NUMCOMPONENTS_KEY,
                 STORAGE_MEMORYCOMPONENT_NUMCOMPONENTS_DEFAULT, PropertyInterpreters.getIntegerPropertyInterpreter());
@@ -86,13 +93,8 @@
                 STORAGE_MEMORYCOMPONENT_GLOBALBUDGET_DEFAULT, PropertyInterpreters.getLongPropertyInterpreter());
     }
 
-    public int getLSMIndexMergeThreshold() {
-        return accessor.getProperty(STORAGE_LSM_MERGETHRESHOLD_KEY, STORAGE_LSM_MERGETHRESHOLD_DEFAULT,
-                PropertyInterpreters.getIntegerPropertyInterpreter());
-    }
-
     public double getBloomFilterFalsePositiveRate() {
         return accessor.getProperty(STORAGE_LSM_BLOOMFILTER_FALSEPOSITIVERATE_KEY,
                 STORAGE_LSM_BLOOMFILTER_FALSEPOSITIVERATE_DEFAULT, PropertyInterpreters.getDoublePropertyInterpreter());
     }
-}
+}
\ No newline at end of file
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
index 4982a89..21913b0 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
@@ -14,6 +14,8 @@
  */
 package edu.uci.ics.asterix.common.config;
 
+import java.util.HashMap;
+import java.util.Map;
 import java.util.logging.Logger;
 
 public class GlobalConfig {
@@ -39,6 +41,15 @@
 
     public static int DEFAULT_INPUT_DATA_COLUMN = 0;
 
+    public static final String DEFAULT_COMPACTION_POLICY_NAME = "prefix";
+
+    public static final Map<String, String> DEFAULT_COMPACTION_POLICY_PROPERTIES;
+    static {
+        DEFAULT_COMPACTION_POLICY_PROPERTIES = new HashMap<String, String>();
+        DEFAULT_COMPACTION_POLICY_PROPERTIES.put("max-mergable-component-size", "1073741824"); // 1GB
+        DEFAULT_COMPACTION_POLICY_PROPERTIES.put("max-tolernace-component-count", "5"); // 5 components
+    }
+
     public static int getFrameSize() {
         int frameSize = GlobalConfig.DEFAULT_FRAME_SIZE;
         String frameSizeStr = System.getProperty(GlobalConfig.FRAME_SIZE_PROPERTY);
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/ConstantMergePolicy.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/ConstantMergePolicy.java
deleted file mode 100644
index dee652e..0000000
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/ConstantMergePolicy.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright 2009-2013 by The Regents of the University of California
- * Licensed 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 from
- * 
- *     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 edu.uci.ics.asterix.common.context;
-
-import java.util.List;
-
-import edu.uci.ics.asterix.common.api.IAsterixAppRuntimeContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-
-public class ConstantMergePolicy implements ILSMMergePolicy {
-
-    private final int threshold;
-    private final IAsterixAppRuntimeContext ctx;
-
-    public ConstantMergePolicy(int threshold, IAsterixAppRuntimeContext ctx) {
-        this.threshold = threshold;
-        this.ctx = ctx;
-    }
-
-    @Override
-    public void diskComponentAdded(final ILSMIndex index) throws HyracksDataException, IndexException {
-        List<ILSMComponent> immutableComponents = index.getImmutableComponents();
-        if (!ctx.isShuttingdown() && immutableComponents.size() >= threshold) {
-            ILSMIndexAccessor accessor = (ILSMIndexAccessor) index.createAccessor(NoOpOperationCallback.INSTANCE,
-                    NoOpOperationCallback.INSTANCE);
-            accessor.scheduleMerge(index.getIOOperationCallback());
-        }
-    }
-}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
index 6335fb1..b38f92b 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
@@ -47,13 +47,15 @@
     private final Map<Integer, ILSMOperationTracker> datasetOpTrackers;
     private final Map<Integer, DatasetInfo> datasetInfos;
     private final ILocalResourceRepository resourceRepository;
+    private final int firstAvilableUserDatasetID;
     private final long capacity;
     private long used;
 
     public DatasetLifecycleManager(AsterixStorageProperties storageProperties,
-            ILocalResourceRepository resourceRepository) {
+            ILocalResourceRepository resourceRepository, int firstAvilableUserDatasetID) {
         this.storageProperties = storageProperties;
         this.resourceRepository = resourceRepository;
+        this.firstAvilableUserDatasetID = firstAvilableUserDatasetID;
         datasetVirtualBufferCaches = new HashMap<Integer, List<IVirtualBufferCache>>();
         datasetOpTrackers = new HashMap<Integer, ILSMOperationTracker>();
         datasetInfos = new HashMap<Integer, DatasetInfo>();
@@ -297,12 +299,12 @@
             List<IVirtualBufferCache> vbcs = datasetVirtualBufferCaches.get(datasetID);
             if (vbcs == null) {
                 vbcs = new ArrayList<IVirtualBufferCache>();
+                int numPages = datasetID < firstAvilableUserDatasetID ? storageProperties
+                        .getMetadataMemoryComponentNumPages() : storageProperties.getMemoryComponentNumPages();
                 for (int i = 0; i < storageProperties.getMemoryComponentsNum(); i++) {
-                    MultitenantVirtualBufferCache vbc = new MultitenantVirtualBufferCache(
-                            new VirtualBufferCache(new HeapBufferAllocator(),
-                                    storageProperties.getMemoryComponentPageSize(),
-                                    storageProperties.getMemoryComponentNumPages()
-                                            / storageProperties.getMemoryComponentsNum()));
+                    MultitenantVirtualBufferCache vbc = new MultitenantVirtualBufferCache(new VirtualBufferCache(
+                            new HeapBufferAllocator(), storageProperties.getMemoryComponentPageSize(), numPages
+                                    / storageProperties.getMemoryComponentsNum()));
                     vbcs.add(vbc);
                 }
                 datasetVirtualBufferCaches.put(datasetID, vbcs);
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/IAsterixAppRuntimeContextProvider.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/IAsterixAppRuntimeContextProvider.java
index 2638c9f..b10cd2e 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/IAsterixAppRuntimeContextProvider.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/IAsterixAppRuntimeContextProvider.java
@@ -16,10 +16,10 @@
 
 import java.util.List;
 
+import edu.uci.ics.asterix.common.api.IAsterixAppRuntimeContext;
 import edu.uci.ics.hyracks.api.io.IIOManager;
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
@@ -39,8 +39,6 @@
 
     public double getBloomFilterFalsePositiveRate();
 
-    public ILSMMergePolicy getLSMMergePolicy();
-
     public ILSMOperationTracker getLSMBTreeOperationTracker(int datasetID);
 
     public ILSMIOOperationScheduler getLSMIOScheduler();
@@ -52,4 +50,6 @@
     public IIOManager getIOManager();
 
     public List<IVirtualBufferCache> getVirtualBufferCaches(int datasetID);
+
+    public IAsterixAppRuntimeContext getAppContext();
 }
diff --git a/asterix-installer/src/main/resources/conf/asterix-configuration.xml b/asterix-installer/src/main/resources/conf/asterix-configuration.xml
index 084a3f8..cbee8f8 100644
--- a/asterix-installer/src/main/resources/conf/asterix-configuration.xml
+++ b/asterix-installer/src/main/resources/conf/asterix-configuration.xml
@@ -16,7 +16,7 @@
 
 	<property>
 		<name>nc.java.opts</name>
-		<value>-Xmx1024m</value>
+		<value>-Xmx1536m</value>
 		<description>JVM parameters for each Node Contoller (NC)</description>
 	</property>
 
@@ -29,18 +29,18 @@
 
 	<property>
 		<name>storage.buffercache.pagesize</name>
-		<value>32768</value>
+		<value>131072</value>
 		<description>The page size in bytes for pages in the buffer cache.
-			(Default = "32768" // 32KB)
+			(Default = "131072" // 128KB)
 		</description>
 	</property>
 
 	<property>
 		<name>storage.buffercache.size</name>
-		<value>33554432</value>
+		<value>536870912</value>
 		<description>The size of memory allocated to the disk buffer cache.
 			The value should be a multiple of the buffer cache page size(Default
-			= "33554432" // 32MB)
+			= "536870912" // 512MB)
 		</description>
 	</property>
 
@@ -54,17 +54,25 @@
 
 	<property>
 		<name>storage.memorycomponent.pagesize</name>
-		<value>32768</value>
+		<value>131072</value>
 		<description>The page size in bytes for pages allocated to memory
-			components. (Default = "32768" // 32KB)
+			components. (Default = "131072" // 128KB)
 		</description>
 	</property>
 
 	<property>
 		<name>storage.memorycomponent.numpages</name>
-		<value>1024</value>
+		<value>256</value>
 		<description>The number of pages to allocate for a memory component.
-			(Default = 1024)
+			(Default = 256)
+		</description>
+	</property>
+	
+	<property>
+		<name>storage.metadata.memorycomponent.numpages</name>
+		<value>64</value>
+		<description>The number of pages to allocate for a memory component.
+			(Default = 64)
 		</description>
 	</property>
 
@@ -78,7 +86,7 @@
 	
 	<property>
 		<name>storage.memorycomponent.globalbudget</name>
-		<value>536870192</value>
+		<value>536870912</value>
 		<description>The total size of memory in bytes that the sum of all
 			open memory
 			components cannot exceed. (Default = "536870192" // 512MB)
@@ -86,21 +94,13 @@
 	</property>
 
 	<property>
-		<name>storage.lsm.mergethreshold</name>
-		<value>3</value>
-		<description>The number of on-disk components an LSM index can have
-			before a merge is triggered. (Default = 3)
-		</description>
-	</property>
-
-	<property>
 		<name>storage.lsm.bloomfilter.falsepositiverate</name>
 		<value>0.01</value>
 		<description>The maximum acceptable false positive rate for bloom
 			filters associated with LSM indexes. (Default = "0.01" // 1%)
 		</description>
 	</property>
-
+	
 	<property>
 		<name>txn.log.buffer.numpages</name>
 		<value>8</value>
@@ -110,9 +110,9 @@
 
 	<property>
 		<name>txn.log.buffer.pagesize</name>
-		<value>131072</value>
+		<value>524288</value>
 		<description>The size of pages in the in-memory log buffer. (Default =
-			"131072" // 128KB)
+			"524288" // 512KB)
 		</description>
 	</property>
 
@@ -201,9 +201,9 @@
 
 	<property>
 		<name>compiler.framesize</name>
-		<value>32768</value>
+		<value>131072</value>
 		<description>The Hyracks frame size that the compiler configures per
-			job. (Default = "32768" // 32KB)
+			job. (Default = "131072" // 128KB)
 		</description>
 	</property>
 
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
index c078be8..91be90b 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
@@ -22,6 +22,7 @@
 
 import edu.uci.ics.asterix.common.functions.FunctionSignature;
 import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -51,6 +52,8 @@
     protected final Map<FunctionSignature, Function> functions = new HashMap<FunctionSignature, Function>();
     // Key is adapter dataverse. Key of value map is the adapter name  
     protected final Map<String, Map<String, DatasourceAdapter>> adapters = new HashMap<String, Map<String, DatasourceAdapter>>();
+    // Key is DataverseName, Key of the value map is the Policy name   
+    protected final Map<String, Map<String, CompactionPolicy>> compactionPolicies = new HashMap<String, Map<String, CompactionPolicy>>();
 
     // Atomically executes all metadata operations in ctx's log.
     public void commit(MetadataTransactionContext ctx) {
@@ -86,13 +89,16 @@
                         synchronized (datatypes) {
                             synchronized (functions) {
                                 synchronized (adapters) {
-                                    dataverses.clear();
-                                    nodeGroups.clear();
-                                    datasets.clear();
-                                    indexes.clear();
-                                    datatypes.clear();
-                                    functions.clear();
-                                    adapters.clear();
+                                    synchronized (compactionPolicies) {
+                                        dataverses.clear();
+                                        nodeGroups.clear();
+                                        datasets.clear();
+                                        indexes.clear();
+                                        datatypes.clear();
+                                        functions.clear();
+                                        adapters.clear();
+                                        compactionPolicies.clear();
+                                    }
                                 }
                             }
                         }
@@ -174,26 +180,55 @@
         }
     }
 
+    public Object addCompactionPolicyIfNotExists(CompactionPolicy compactionPolicy) {
+        synchronized (compactionPolicy) {
+            Map<String, CompactionPolicy> p = compactionPolicies.get(compactionPolicy.getDataverseName());
+            if (p == null) {
+                p = new HashMap<String, CompactionPolicy>();
+                p.put(compactionPolicy.getPolicyName(), compactionPolicy);
+                compactionPolicies.put(compactionPolicy.getDataverseName(), p);
+            } else {
+                if (p.get(compactionPolicy.getPolicyName()) == null) {
+                    p.put(compactionPolicy.getPolicyName(), compactionPolicy);
+                }
+            }
+            return null;
+        }
+    }
+
+    public Object dropCompactionPolicy(CompactionPolicy compactionPolicy) {
+        synchronized (compactionPolicies) {
+            Map<String, CompactionPolicy> p = compactionPolicies.get(compactionPolicy.getDataverseName());
+            if (p != null && p.get(compactionPolicy.getPolicyName()) != null) {
+                return p.remove(compactionPolicy).getPolicyName();
+            }
+            return null;
+        }
+    }
+
     public Object dropDataverse(Dataverse dataverse) {
         synchronized (dataverses) {
             synchronized (datasets) {
                 synchronized (indexes) {
                     synchronized (datatypes) {
                         synchronized (functions) {
-                            datasets.remove(dataverse.getDataverseName());
-                            indexes.remove(dataverse.getDataverseName());
-                            datatypes.remove(dataverse.getDataverseName());
-                            adapters.remove(dataverse.getDataverseName());
-                            List<FunctionSignature> markedFunctionsForRemoval = new ArrayList<FunctionSignature>();
-                            for (FunctionSignature signature : functions.keySet()) {
-                                if (signature.getNamespace().equals(dataverse.getDataverseName())) {
-                                    markedFunctionsForRemoval.add(signature);
+                            synchronized (compactionPolicies) {
+                                datasets.remove(dataverse.getDataverseName());
+                                indexes.remove(dataverse.getDataverseName());
+                                datatypes.remove(dataverse.getDataverseName());
+                                adapters.remove(dataverse.getDataverseName());
+                                compactionPolicies.remove(dataverse.getDataverseName());
+                                List<FunctionSignature> markedFunctionsForRemoval = new ArrayList<FunctionSignature>();
+                                for (FunctionSignature signature : functions.keySet()) {
+                                    if (signature.getNamespace().equals(dataverse.getDataverseName())) {
+                                        markedFunctionsForRemoval.add(signature);
+                                    }
                                 }
+                                for (FunctionSignature signature : markedFunctionsForRemoval) {
+                                    functions.remove(signature);
+                                }
+                                return dataverses.remove(dataverse.getDataverseName());
                             }
-                            for (FunctionSignature signature : markedFunctionsForRemoval) {
-                                functions.remove(signature);
-                            }
-                            return dataverses.remove(dataverse.getDataverseName());
                         }
                     }
                 }
@@ -376,7 +411,8 @@
 
     public Object addAdapterIfNotExists(DatasourceAdapter adapter) {
         synchronized (adapters) {
-            Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier().getNamespace());
+            Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier()
+                    .getNamespace());
             if (adaptersInDataverse == null) {
                 adaptersInDataverse = new HashMap<String, DatasourceAdapter>();
                 adapters.put(adapter.getAdapterIdentifier().getNamespace(), adaptersInDataverse);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
index 8f0eedb..46159ba 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
@@ -27,6 +27,7 @@
 import edu.uci.ics.asterix.metadata.api.IAsterixStateProxy;
 import edu.uci.ics.asterix.metadata.api.IMetadataManager;
 import edu.uci.ics.asterix.metadata.api.IMetadataNode;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -282,6 +283,30 @@
     }
 
     @Override
+    public void addCompactionPolicy(MetadataTransactionContext mdTxnCtx, CompactionPolicy compactionPolicy)
+            throws MetadataException {
+        try {
+            metadataNode.addCompactionPolicy(mdTxnCtx.getJobId(), compactionPolicy);
+        } catch (RemoteException e) {
+            throw new MetadataException(e);
+        }
+        mdTxnCtx.addCompactionPolicy(compactionPolicy);
+    }
+
+    @Override
+    public CompactionPolicy getCompactionPolicy(MetadataTransactionContext ctx, String dataverse, String policyName)
+            throws MetadataException {
+
+        CompactionPolicy compactionPolicy = null;
+        try {
+            compactionPolicy = metadataNode.getCompactionPolicy(ctx.getJobId(), dataverse, policyName);
+        } catch (RemoteException e) {
+            throw new MetadataException(e);
+        }
+        return compactionPolicy;
+    }
+
+    @Override
     public void addDatatype(MetadataTransactionContext ctx, Datatype datatype) throws MetadataException {
         try {
             metadataNode.addDatatype(ctx.getJobId(), datatype);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
index ee0791b..a3f736e 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
@@ -37,6 +37,7 @@
 import edu.uci.ics.asterix.metadata.api.IValueExtractor;
 import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
 import edu.uci.ics.asterix.metadata.bootstrap.MetadataSecondaryIndexes;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -46,6 +47,7 @@
 import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails;
 import edu.uci.ics.asterix.metadata.entities.Node;
 import edu.uci.ics.asterix.metadata.entities.NodeGroup;
+import edu.uci.ics.asterix.metadata.entitytupletranslators.CompactionPolicyTupleTranslator;
 import edu.uci.ics.asterix.metadata.entitytupletranslators.DatasetTupleTranslator;
 import edu.uci.ics.asterix.metadata.entitytupletranslators.DatasourceAdapterTupleTranslator;
 import edu.uci.ics.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator;
@@ -1121,6 +1123,44 @@
     }
 
     @Override
+    public void addCompactionPolicy(JobId jobId, CompactionPolicy compactionPolicy) throws MetadataException,
+            RemoteException {
+        try {
+            // Insert into the 'CompactionPolicy' dataset.
+            CompactionPolicyTupleTranslator tupleReaderWriter = new CompactionPolicyTupleTranslator(true);
+            ITupleReference compactionPolicyTuple = tupleReaderWriter.getTupleFromMetadataEntity(compactionPolicy);
+            insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.COMPACTION_POLICY_DATASET, compactionPolicyTuple);
+
+        } catch (TreeIndexDuplicateKeyException e) {
+            throw new MetadataException("A compcation policy with this name " + compactionPolicy.getPolicyName()
+                    + " already exists in dataverse '" + compactionPolicy.getPolicyName() + "'.", e);
+        } catch (Exception e) {
+            throw new MetadataException(e);
+        }
+
+    }
+
+    @Override
+    public CompactionPolicy getCompactionPolicy(JobId jobId, String dataverse, String policyName)
+            throws MetadataException, RemoteException {
+
+        try {
+            ITupleReference searchKey = createTuple(dataverse, policyName);
+            CompactionPolicyTupleTranslator tupleReaderWriter = new CompactionPolicyTupleTranslator(false);
+            List<CompactionPolicy> results = new ArrayList<CompactionPolicy>();
+            IValueExtractor<CompactionPolicy> valueExtractor = new MetadataEntityValueExtractor<CompactionPolicy>(
+                    tupleReaderWriter);
+            searchIndex(jobId, MetadataPrimaryIndexes.COMPACTION_POLICY_DATASET, searchKey, valueExtractor, results);
+            if (!results.isEmpty()) {
+                return results.get(0);
+            }
+            return null;
+        } catch (Exception e) {
+            throw new MetadataException(e);
+        }
+    }
+
+    @Override
     public List<DatasourceAdapter> getDataverseAdapters(JobId jobId, String dataverseName) throws MetadataException,
             RemoteException {
         try {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
index dedcedf..3705fa1 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
@@ -21,6 +21,7 @@
 import edu.uci.ics.asterix.common.transactions.JobId;
 import edu.uci.ics.asterix.external.dataset.adapter.AdapterIdentifier;
 import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -104,6 +105,12 @@
         logAndApply(new MetadataLogicalOperation(adapter, true));
     }
 
+    public void addCompactionPolicy(CompactionPolicy compactionPolicy) {
+        droppedCache.dropCompactionPolicy(compactionPolicy);
+        logAndApply(new MetadataLogicalOperation(compactionPolicy, true));
+
+    }
+
     public void dropDataset(String dataverseName, String datasetName) {
         Dataset dataset = new Dataset(dataverseName, datasetName, null, null, null, null, -1,
                 IMetadataEntity.PENDING_NO_OP);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
index 22c5e46..392c8a1 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
@@ -22,6 +22,7 @@
 import edu.uci.ics.asterix.common.functions.FunctionSignature;
 import edu.uci.ics.asterix.metadata.MetadataException;
 import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -127,7 +128,7 @@
      * @throws MetadataException
      */
     List<Dataverse> getDataverses(MetadataTransactionContext ctx) throws MetadataException;
-    
+
     /**
      * Retrieves a dataverse with given name.
      * 
@@ -178,7 +179,7 @@
      *             For example, if the dataset already exists.
      */
     public void addDataset(MetadataTransactionContext ctx, Dataset dataset) throws MetadataException;
-    
+
     /**
      * Retrieves a dataset within a given dataverse.
      * 
@@ -433,6 +434,23 @@
 
     /**
      * @param ctx
+     * @param policy
+     * @throws MetadataException
+     */
+    public void addCompactionPolicy(MetadataTransactionContext ctx, CompactionPolicy policy) throws MetadataException;
+
+    /**
+     * @param ctx
+     * @param dataverse
+     * @param policyName
+     * @return
+     * @throws MetadataException
+     */
+    public CompactionPolicy getCompactionPolicy(MetadataTransactionContext ctx, String dataverse, String policyName)
+            throws MetadataException;
+
+    /**
+     * @param ctx
      * @param dataverseName
      * @return
      * @throws MetadataException
@@ -441,9 +459,9 @@
             throws MetadataException;
 
     public void initializeDatasetIdFactory(MetadataTransactionContext ctx) throws MetadataException;
-    
+
     public int getMostRecentDatasetId() throws MetadataException;
-    
+
     public void acquireWriteLatch();
 
     public void releaseWriteLatch();
@@ -452,5 +470,4 @@
 
     public void releaseReadLatch();
 
-
 }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
index d1e63e1..f27268f 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
@@ -24,6 +24,7 @@
 import edu.uci.ics.asterix.common.functions.FunctionSignature;
 import edu.uci.ics.asterix.common.transactions.JobId;
 import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -383,7 +384,6 @@
     public void addNode(JobId jobId, Node node) throws MetadataException, RemoteException;
 
     /**
-
      * @param jobId
      *            A globally unique id for an active metadata transaction.
      * @param functionSignature
@@ -408,7 +408,8 @@
      *             group to be deleted.
      * @throws RemoteException
      */
-    public void dropFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException, RemoteException;
+    public void dropFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException,
+            RemoteException;
 
     /**
      * @param jobId
@@ -442,8 +443,8 @@
     public List<DatasourceAdapter> getDataverseAdapters(JobId jobId, String dataverseName) throws MetadataException,
             RemoteException;
 
-    public DatasourceAdapter getAdapter(JobId jobId, String dataverseName, String adapterName) throws MetadataException,
-            RemoteException;
+    public DatasourceAdapter getAdapter(JobId jobId, String dataverseName, String adapterName)
+            throws MetadataException, RemoteException;
 
     /**
      * Deletes a adapter , acquiring local locks on behalf of the given
@@ -472,8 +473,28 @@
      */
     public void addAdapter(JobId jobId, DatasourceAdapter adapter) throws MetadataException, RemoteException;
 
+    /**
+     * @param jobId
+     * @param compactionPolicy
+     * @throws MetadataException
+     * @throws RemoteException
+     */
+    public void addCompactionPolicy(JobId jobId, CompactionPolicy compactionPolicy) throws MetadataException,
+            RemoteException;
+
+    /**
+     * @param jobId
+     * @param dataverse
+     * @param policy
+     * @return
+     * @throws MetadataException
+     * @throws RemoteException
+     */
+    public CompactionPolicy getCompactionPolicy(JobId jobId, String dataverse, String policy) throws MetadataException,
+            RemoteException;
+
     public void initializeDatasetIdFactory(JobId jobId) throws MetadataException, RemoteException;
-    
+
     public int getMostRecentDatasetId() throws MetadataException, RemoteException;
 
 }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
index 7be4e8e..455715d 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
@@ -31,6 +31,7 @@
 import edu.uci.ics.asterix.common.config.AsterixMetadataProperties;
 import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
 import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
 import edu.uci.ics.asterix.common.config.IAsterixPropertiesProvider;
 import edu.uci.ics.asterix.common.context.BaseOperationTracker;
 import edu.uci.ics.asterix.common.context.DatasetLifecycleManager;
@@ -45,6 +46,7 @@
 import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
 import edu.uci.ics.asterix.metadata.api.IMetadataIndex;
 import edu.uci.ics.asterix.metadata.entities.AsterixBuiltinTypeMap;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
 import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -71,6 +73,7 @@
 import edu.uci.ics.hyracks.storage.am.common.util.IndexFileNameUtil;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
@@ -116,7 +119,7 @@
                 MetadataPrimaryIndexes.DATASET_DATASET, MetadataPrimaryIndexes.DATATYPE_DATASET,
                 MetadataPrimaryIndexes.INDEX_DATASET, MetadataPrimaryIndexes.NODE_DATASET,
                 MetadataPrimaryIndexes.NODEGROUP_DATASET, MetadataPrimaryIndexes.FUNCTION_DATASET,
-                MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET };
+                MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, MetadataPrimaryIndexes.COMPACTION_POLICY_DATASET };
         secondaryIndexes = new IMetadataIndex[] { MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX,
                 MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX,
                 MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX };
@@ -156,10 +159,10 @@
 
             if (isNewUniverse) {
                 for (int i = 0; i < primaryIndexes.length; i++) {
-                    enlistMetadataDataset(primaryIndexes[i], true);
+                    enlistMetadataDataset(primaryIndexes[i], true, mdTxnCtx);
                 }
                 for (int i = 0; i < secondaryIndexes.length; i++) {
-                    enlistMetadataDataset(secondaryIndexes[i], true);
+                    enlistMetadataDataset(secondaryIndexes[i], true, mdTxnCtx);
                 }
                 insertInitialDataverses(mdTxnCtx);
                 insertInitialDatasets(mdTxnCtx);
@@ -168,16 +171,17 @@
                 insertNodes(mdTxnCtx);
                 insertInitialGroups(mdTxnCtx);
                 insertInitialAdapters(mdTxnCtx);
+                insertInitialCompactionPolicies(mdTxnCtx);
 
                 if (LOGGER.isLoggable(Level.INFO)) {
                     LOGGER.info("Finished creating metadata B-trees.");
                 }
             } else {
                 for (int i = 0; i < primaryIndexes.length; i++) {
-                    enlistMetadataDataset(primaryIndexes[i], false);
+                    enlistMetadataDataset(primaryIndexes[i], false, mdTxnCtx);
                 }
                 for (int i = 0; i < secondaryIndexes.length; i++) {
-                    enlistMetadataDataset(secondaryIndexes[i], false);
+                    enlistMetadataDataset(secondaryIndexes[i], false, mdTxnCtx);
                 }
 
                 if (LOGGER.isLoggable(Level.INFO)) {
@@ -231,7 +235,8 @@
         for (int i = 0; i < primaryIndexes.length; i++) {
             IDatasetDetails id = new InternalDatasetDetails(FileStructure.BTREE, PartitioningStrategy.HASH,
                     primaryIndexes[i].getPartitioningExpr(), primaryIndexes[i].getPartitioningExpr(),
-                    primaryIndexes[i].getNodeGroupName());
+                    primaryIndexes[i].getNodeGroupName(), GlobalConfig.DEFAULT_COMPACTION_POLICY_NAME,
+                    GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES);
             MetadataManager.INSTANCE.addDataset(mdTxnCtx, new Dataset(primaryIndexes[i].getDataverseName(),
                     primaryIndexes[i].getIndexedDatasetName(), primaryIndexes[i].getPayloadRecordType().getTypeName(),
                     id, new HashMap<String, String>(), DatasetType.INTERNAL, primaryIndexes[i].getDatasetId().getId(),
@@ -313,13 +318,31 @@
         }
     }
 
+    private static void insertInitialCompactionPolicies(MetadataTransactionContext mdTxnCtx) throws Exception {
+        String[] builtInCompactionPolicyClassNames = new String[] {
+                "edu.uci.ics.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory",
+                "edu.uci.ics.hyracks.storage.am.lsm.common.impls.PrefixMergePolicyFactory", };
+        CompactionPolicy compactionPolicy;
+        for (String policyClassName : builtInCompactionPolicyClassNames) {
+            compactionPolicy = getCompactionPolicyEntity(policyClassName);
+            MetadataManager.INSTANCE.addCompactionPolicy(mdTxnCtx, compactionPolicy);
+        }
+    }
+
     private static DatasourceAdapter getAdapter(String adapterFactoryClassName) throws Exception {
         String adapterName = ((IAdapterFactory) (Class.forName(adapterFactoryClassName).newInstance())).getName();
         return new DatasourceAdapter(new AdapterIdentifier(MetadataConstants.METADATA_DATAVERSE_NAME, adapterName),
                 adapterFactoryClassName, DatasourceAdapter.AdapterType.INTERNAL);
     }
 
-    private static void enlistMetadataDataset(IMetadataIndex index, boolean create) throws Exception {
+    private static CompactionPolicy getCompactionPolicyEntity(String compactionPolicyClassName) throws Exception {
+        String policyName = ((ILSMMergePolicyFactory) (Class.forName(compactionPolicyClassName).newInstance()))
+                .getName();
+        return new CompactionPolicy(MetadataConstants.METADATA_DATAVERSE_NAME, policyName, compactionPolicyClassName);
+    }
+
+    private static void enlistMetadataDataset(IMetadataIndex index, boolean create, MetadataTransactionContext mdTxnCtx)
+            throws Exception {
         String filePath = ioManager.getIODevices().get(runtimeContext.getMetaDataIODeviceId()).getPath()
                 + File.separator
                 + IndexFileNameUtil.prepareFileName(metadataStore + File.separator + index.getFileNameRelativePath(),
@@ -336,14 +359,24 @@
                 .getDatasetId().getId()) : new BaseOperationTracker((DatasetLifecycleManager) indexLifecycleManager,
                 index.getDatasetId().getId());
         if (create) {
-            lsmBtree = LSMBTreeUtils.createLSMTree(virtualBufferCaches, file, bufferCache, fileMapProvider, typeTraits,
-                    comparatorFactories, bloomFilterKeyFields, runtimeContext.getBloomFilterFalsePositiveRate(),
-                    runtimeContext.getLSMMergePolicy(), opTracker, runtimeContext.getLSMIOScheduler(),
+            lsmBtree = LSMBTreeUtils.createLSMTree(
+                    virtualBufferCaches,
+                    file,
+                    bufferCache,
+                    fileMapProvider,
+                    typeTraits,
+                    comparatorFactories,
+                    bloomFilterKeyFields,
+                    runtimeContext.getBloomFilterFalsePositiveRate(),
+                    runtimeContext.getMetadataMergePolicyFactory().createMergePolicy(
+                            GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES), opTracker,
+                    runtimeContext.getLSMIOScheduler(),
                     LSMBTreeIOOperationCallbackFactory.INSTANCE.createIOOperationCallback());
             lsmBtree.create();
             resourceID = runtimeContext.getResourceIdFactory().createId();
             ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(typeTraits,
-                    comparatorFactories, bloomFilterKeyFields, index.isPrimaryIndex(), index.getDatasetId().getId());
+                    comparatorFactories, bloomFilterKeyFields, index.isPrimaryIndex(), index.getDatasetId().getId(),
+                    runtimeContext.getMetadataMergePolicyFactory(), GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES);
             ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
                     localResourceMetadata, LocalResource.LSMBTreeResource);
             ILocalResourceFactory localResourceFactory = localResourceFactoryProvider.getLocalResourceFactory();
@@ -355,10 +388,11 @@
             lsmBtree = (LSMBTree) indexLifecycleManager.getIndex(resourceID);
             if (lsmBtree == null) {
                 lsmBtree = LSMBTreeUtils.createLSMTree(virtualBufferCaches, file, bufferCache, fileMapProvider,
-                        typeTraits, comparatorFactories, bloomFilterKeyFields,
-                        runtimeContext.getBloomFilterFalsePositiveRate(), runtimeContext.getLSMMergePolicy(),
-                        opTracker, runtimeContext.getLSMIOScheduler(),
-                        LSMBTreeIOOperationCallbackFactory.INSTANCE.createIOOperationCallback());
+                        typeTraits, comparatorFactories, bloomFilterKeyFields, runtimeContext
+                                .getBloomFilterFalsePositiveRate(), runtimeContext.getMetadataMergePolicyFactory()
+                                .createMergePolicy(GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES), opTracker,
+                        runtimeContext.getLSMIOScheduler(), LSMBTreeIOOperationCallbackFactory.INSTANCE
+                                .createIOOperationCallback());
                 indexLifecycleManager.register(resourceID, lsmBtree);
             }
         }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
index 8bdd92b..f6bc9e6 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
@@ -41,9 +41,11 @@
     public static final int NODEGROUP_DATASET_ID = 6;
     public static final int FUNCTION_DATASET_ID = 7;
     public static final int DATASOURCE_ADAPTER_DATASET_ID = 8;
+    public static final int COMPACTION_POLICY_DATASET_ID = 9;
     public static final int FIRST_AVAILABLE_USER_DATASET_ID = 100;
 
     public static IMetadataIndex DATASOURCE_ADAPTER_DATASET;
+    public static IMetadataIndex COMPACTION_POLICY_DATASET;
 
     /**
      * Create all metadata primary index descriptors. MetadataRecordTypes must
@@ -92,5 +94,10 @@
                 BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName", "Name" }, 0,
                 MetadataRecordTypes.DATASOURCE_ADAPTER_RECORDTYPE, DATASOURCE_ADAPTER_DATASET_ID, true, new int[] { 0,
                         1 });
+
+        COMPACTION_POLICY_DATASET = new MetadataIndex("CompactionPolicy", null, 3, new IAType[] { BuiltinType.ASTRING,
+                BuiltinType.ASTRING }, new String[] { "DataverseName", "CompactionPolicy" }, 0,
+                MetadataRecordTypes.COMPACTION_POLICY_RECORDTYPE, COMPACTION_POLICY_DATASET_ID, true,
+                new int[] { 0, 1 });
     }
 }
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
index 50681ee..8452340 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
@@ -37,6 +37,7 @@
     public static ARecordType EXTERNAL_DETAILS_RECORDTYPE;
     public static ARecordType FEED_DETAILS_RECORDTYPE;
     public static ARecordType DATASET_HINTS_RECORDTYPE;
+    public static ARecordType COMPACTION_POLICY_PROPERTIES_RECORDTYPE;
     public static ARecordType DATASOURCE_ADAPTER_PROPERTIES_RECORDTYPE;
     public static ARecordType FIELD_RECORDTYPE;
     public static ARecordType RECORD_RECORDTYPE;
@@ -47,6 +48,7 @@
     public static ARecordType NODEGROUP_RECORDTYPE;
     public static ARecordType FUNCTION_RECORDTYPE;
     public static ARecordType DATASOURCE_ADAPTER_RECORDTYPE;
+    public static ARecordType COMPACTION_POLICY_RECORDTYPE;
 
     /**
      * Create all metadata record types.
@@ -57,6 +59,7 @@
         // These calls are one "dependency chain".
         try {
             DATASOURCE_ADAPTER_PROPERTIES_RECORDTYPE = createPropertiesRecordType();
+            COMPACTION_POLICY_PROPERTIES_RECORDTYPE = createPropertiesRecordType();
             INTERNAL_DETAILS_RECORDTYPE = createInternalDetailsRecordType();
             EXTERNAL_DETAILS_RECORDTYPE = createExternalDetailsRecordType();
             FEED_DETAILS_RECORDTYPE = createFeedDetailsRecordType();
@@ -76,6 +79,7 @@
             NODEGROUP_RECORDTYPE = createNodeGroupRecordType();
             FUNCTION_RECORDTYPE = createFunctionRecordType();
             DATASOURCE_ADAPTER_RECORDTYPE = createDatasourceAdapterRecordType();
+            COMPACTION_POLICY_RECORDTYPE = createCompactionPolicyRecordType();
         } catch (AsterixException e) {
             throw new MetadataException(e);
         }
@@ -97,8 +101,8 @@
     // Helper constants for accessing fields in an ARecord of anonymous type
     // dataset properties.
     // Used for dataset hints or dataset adapter properties.
-    public static final int DATASOURCE_PROPERTIES_NAME_FIELD_INDEX = 0;
-    public static final int DATASOURCE_PROPERTIES_VALUE_FIELD_INDEX = 1;
+    public static final int PROPERTIES_NAME_FIELD_INDEX = 0;
+    public static final int PROPERTIES_VALUE_FIELD_INDEX = 1;
 
     private static final ARecordType createPropertiesRecordType() throws AsterixException {
         String[] fieldNames = { "Name", "Value" };
@@ -113,11 +117,17 @@
     public static final int INTERNAL_DETAILS_ARECORD_PARTITIONKEY_FIELD_INDEX = 2;
     public static final int INTERNAL_DETAILS_ARECORD_PRIMARYKEY_FIELD_INDEX = 3;
     public static final int INTERNAL_DETAILS_ARECORD_GROUPNAME_FIELD_INDEX = 4;
+    public static final int INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX = 5;
+    public static final int INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX = 6;
 
     private static final ARecordType createInternalDetailsRecordType() throws AsterixException {
         AOrderedListType olType = new AOrderedListType(BuiltinType.ASTRING, null);
-        String[] fieldNames = { "FileStructure", "PartitioningStrategy", "PartitioningKey", "PrimaryKey", "GroupName" };
-        IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, olType, olType, BuiltinType.ASTRING };
+        AOrderedListType compactionPolicyPropertyListType = new AOrderedListType(
+                COMPACTION_POLICY_PROPERTIES_RECORDTYPE, null);
+        String[] fieldNames = { "FileStructure", "PartitioningStrategy", "PartitioningKey", "PrimaryKey", "GroupName",
+                "CompactionPolicy", "CompactionPolicyProperties" };
+        IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, olType, olType, BuiltinType.ASTRING,
+                BuiltinType.ASTRING, compactionPolicyPropertyListType };
         return new ARecordType(null, fieldNames, fieldTypes, true);
     }
 
@@ -134,6 +144,16 @@
         return new ARecordType(null, fieldNames, fieldTypes, true);
     }
 
+    public static final int COMPACTION_POLICY_ARECORD_DATAVERSE_NAME_FIELD_INDEX = 0;
+    public static final int COMPACTION_POLICY_ARECORD_POLICY_NAME_FIELD_INDEX = 1;
+    public static final int COMPACTION_POLICY_ARECORD_CLASSNAME_FIELD_INDEX = 2;
+
+    private static ARecordType createCompactionPolicyRecordType() throws AsterixException {
+        String[] fieldNames = { "DataverseName", "PolicyName", "Classname" };
+        IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING };
+        return new ARecordType("CompactionPolicyRecordType", fieldNames, fieldTypes, true);
+    }
+
     public static final int FEED_DETAILS_ARECORD_FILESTRUCTURE_FIELD_INDEX = 0;
     public static final int FEED_DETAILS_ARECORD_PARTITIONSTRATEGY_FIELD_INDEX = 1;
     public static final int FEED_DETAILS_ARECORD_PARTITIONKEY_FIELD_INDEX = 2;
@@ -143,13 +163,18 @@
     public static final int FEED_DETAILS_ARECORD_PROPERTIES_FIELD_INDEX = 6;
     public static final int FEED_DETAILS_ARECORD_FUNCTION_FIELD_INDEX = 7;
     public static final int FEED_DETAILS_ARECORD_STATE_FIELD_INDEX = 8;
+    public static final int FEED_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX = 9;
+    public static final int FEED_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX = 10;
 
     private static final ARecordType createFeedDetailsRecordType() throws AsterixException {
         AOrderedListType orderedListType = new AOrderedListType(BuiltinType.ASTRING, null);
         AOrderedListType orderedListOfPropertiesType = new AOrderedListType(DATASOURCE_ADAPTER_PROPERTIES_RECORDTYPE,
                 null);
+        AOrderedListType compactionPolicyPropertyListType = new AOrderedListType(
+                COMPACTION_POLICY_PROPERTIES_RECORDTYPE, null);
         String[] fieldNames = { "FileStructure", "PartitioningStrategy", "PartitioningKey", "PrimaryKey", "GroupName",
-                "DatasourceAdapter", "Properties", "Function", "Status" };
+                "DatasourceAdapter", "Properties", "Function", "Status", "CompactionPolicy",
+                "CompactionPolicyProperties" };
 
         List<IAType> feedFunctionUnionList = new ArrayList<IAType>();
         feedFunctionUnionList.add(BuiltinType.ANULL);
@@ -158,7 +183,7 @@
 
         IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, orderedListType, orderedListType,
                 BuiltinType.ASTRING, BuiltinType.ASTRING, orderedListOfPropertiesType, feedFunctionUnion,
-                BuiltinType.ASTRING };
+                BuiltinType.ASTRING, BuiltinType.ASTRING, compactionPolicyPropertyListType };
 
         return new ARecordType(null, fieldNames, fieldTypes, true);
     }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
index 4909e21..8301f5d 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
@@ -140,6 +140,7 @@
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
 import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexDataflowHelperFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
@@ -573,15 +574,17 @@
                             primaryKeyFields, txnSubsystemProvider, ResourceType.LSM_BTREE);
                 }
             }
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             AsterixRuntimeComponentsProvider rtcProvider = AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER;
             BTreeSearchOperatorDescriptor btreeSearchOp = new BTreeSearchOperatorDescriptor(jobSpec, outputRecDesc,
                     appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(), spPc.first,
                     typeTraits, comparatorFactories, bloomFilterKeyFields, lowKeyFields, highKeyFields,
                     lowKeyInclusive, highKeyInclusive, new LSMBTreeDataflowHelperFactory(
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), rtcProvider,
-                            isSecondary ? new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId())
-                                    : new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()), rtcProvider,
-                            LSMBTreeIOOperationCallbackFactory.INSTANCE,
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                            compactionInfo.second, isSecondary ? new SecondaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()) : new PrimaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()), rtcProvider, LSMBTreeIOOperationCallbackFactory.INSTANCE,
                             storageProperties.getBloomFilterFalsePositiveRate()), retainInput, searchCallbackFactory);
 
             return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeSearchOp, spPc.second);
@@ -641,14 +644,15 @@
             IBinaryComparatorFactory[] primaryComparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(
                     dataset, recType, context.getBinaryComparatorFactoryProvider());
             IAType nestedKeyType = NonTaggedFormatUtil.getNestedSpatialType(keyType.getTypeTag());
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             ISearchOperationCallbackFactory searchCallbackFactory = new SecondaryIndexSearchOperationCallbackFactory();
             RTreeSearchOperatorDescriptor rtreeSearchOp = new RTreeSearchOperatorDescriptor(jobSpec, outputRecDesc,
                     appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(), spPc.first,
                     typeTraits, comparatorFactories, keyFields, new LSMRTreeDataflowHelperFactory(
                             valueProviderFactories, RTreePolicyType.RTREE, primaryComparatorFactories,
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                            compactionInfo.second, new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                             AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMRTreeIOOperationCallbackFactory.INSTANCE, proposeLinearizer(nestedKeyType.getTypeTag(),
                                     comparatorFactories.length), storageProperties.getBloomFilterFalsePositiveRate()),
@@ -800,14 +804,15 @@
             // right callback
             // (ex. what's the expected behavior when there is an error during
             // bulkload?)
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
                     appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(),
                     splitsAndConstraint.first, typeTraits, comparatorFactories, bloomFilterKeyFields, fieldPermutation,
                     GlobalConfig.DEFAULT_BTREE_FILL_FACTOR, false, numElementsHint, true,
                     new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                            compactionInfo.first, compactionInfo.second, new PrimaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMBTreeIOOperationCallbackFactory.INSTANCE,
                             storageProperties.getBloomFilterFalsePositiveRate()), NoOpOperationCallbackFactory.INSTANCE);
             return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeBulkLoad,
@@ -868,14 +873,15 @@
             PrimaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new PrimaryIndexModificationOperationCallbackFactory(
                     jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_BTREE);
 
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             AsterixLSMTreeInsertDeleteOperatorDescriptor insertDeleteOp = new AsterixLSMTreeInsertDeleteOperatorDescriptor(
                     spec, recordDesc, appContext.getStorageManagerInterface(),
                     appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
                     comparatorFactories, bloomFilterKeyFields, fieldPermutation, indexOp,
                     new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(datasetId),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                            compactionInfo.first, compactionInfo.second, new PrimaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMBTreeIOOperationCallbackFactory.INSTANCE, storageProperties
                                     .getBloomFilterFalsePositiveRate()), null, modificationCallbackFactory, true);
 
@@ -1064,14 +1070,15 @@
             SecondaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new SecondaryIndexModificationOperationCallbackFactory(
                     jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_BTREE);
 
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             AsterixLSMTreeInsertDeleteOperatorDescriptor btreeBulkLoad = new AsterixLSMTreeInsertDeleteOperatorDescriptor(
                     spec, recordDesc, appContext.getStorageManagerInterface(),
                     appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
                     comparatorFactories, bloomFilterKeyFields, fieldPermutation, indexOp,
                     new LSMBTreeDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(datasetId),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                            compactionInfo.first, compactionInfo.second, new SecondaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMBTreeIOOperationCallbackFactory.INSTANCE, storageProperties
                                     .getBloomFilterFalsePositiveRate()), filterFactory, modificationCallbackFactory,
                     false);
@@ -1192,14 +1199,15 @@
             SecondaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new SecondaryIndexModificationOperationCallbackFactory(
                     jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_INVERTED_INDEX);
 
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             AsterixLSMInvertedIndexInsertDeleteOperatorDescriptor insertDeleteOp = new AsterixLSMInvertedIndexInsertDeleteOperatorDescriptor(
                     spec, recordDesc, appContext.getStorageManagerInterface(), splitsAndConstraint.first,
                     appContext.getIndexLifecycleManagerProvider(), tokenTypeTraits, tokenComparatorFactories,
                     invListsTypeTraits, invListComparatorFactories, tokenizerFactory, fieldPermutation, indexOp,
                     new LSMInvertedIndexDataflowHelperFactory(new AsterixVirtualBufferCacheProvider(datasetId),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
+                            compactionInfo.first, compactionInfo.second, new SecondaryIndexOperationTrackerProvider(
+                                    dataset.getDatasetId()), AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMInvertedIndexIOOperationCallbackFactory.INSTANCE, storageProperties
                                     .getBloomFilterFalsePositiveRate()), filterFactory, modificationCallbackFactory);
             return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(insertDeleteOp,
@@ -1285,14 +1293,15 @@
             SecondaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new SecondaryIndexModificationOperationCallbackFactory(
                     jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_RTREE);
 
+            Pair<ILSMMergePolicyFactory, Map<String, String>> compactionInfo = DatasetUtils.getMergePolicyFactory(
+                    dataset, mdTxnCtx);
             AsterixLSMTreeInsertDeleteOperatorDescriptor rtreeUpdate = new AsterixLSMTreeInsertDeleteOperatorDescriptor(
                     spec, recordDesc, appContext.getStorageManagerInterface(),
                     appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
                     comparatorFactories, null, fieldPermutation, indexOp, new LSMRTreeDataflowHelperFactory(
                             valueProviderFactories, RTreePolicyType.RTREE, primaryComparatorFactories,
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()),
-                            AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
-                            new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), compactionInfo.first,
+                            compactionInfo.second, new SecondaryIndexOperationTrackerProvider(dataset.getDatasetId()),
                             AsterixRuntimeComponentsProvider.RUNTIME_PROVIDER,
                             LSMRTreeIOOperationCallbackFactory.INSTANCE, proposeLinearizer(nestedKeyType.getTypeTag(),
                                     comparatorFactories.length), storageProperties.getBloomFilterFalsePositiveRate()),
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/CompactionPolicy.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/CompactionPolicy.java
new file mode 100644
index 0000000..c12e21a
--- /dev/null
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/CompactionPolicy.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * Licensed 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 from
+ * 
+ *     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 edu.uci.ics.asterix.metadata.entities;
+
+import edu.uci.ics.asterix.metadata.MetadataCache;
+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+
+/**
+ * Metadata describing a compaction policy record.
+ */
+public class CompactionPolicy implements IMetadataEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    private final String dataverseName;
+    // Enforced to be unique within a dataverse.
+    private final String policyName;
+    private final String className;
+
+    public CompactionPolicy(String dataverseName, String policyName, String className) {
+        this.dataverseName = dataverseName;
+        this.policyName = policyName;
+        this.className = className;
+    }
+
+    public String getDataverseName() {
+        return dataverseName;
+    }
+
+    public String getPolicyName() {
+        return policyName;
+    }
+
+    public String getClassName() {
+        return className;
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (this == other) {
+            return true;
+        }
+        if (!(other instanceof CompactionPolicy)) {
+            return false;
+        }
+        CompactionPolicy otherPolicy = (CompactionPolicy) other;
+        if (!otherPolicy.dataverseName.equals(dataverseName)) {
+            return false;
+        }
+        if (!otherPolicy.policyName.equals(policyName)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public Object addToCache(MetadataCache cache) {
+        return cache.addCompactionPolicyIfNotExists(this);
+    }
+
+    @Override
+    public Object dropFromCache(MetadataCache cache) {
+        return cache.dropCompactionPolicy(this);
+    }
+}
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/FeedDatasetDetails.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/FeedDatasetDetails.java
index 22de3d3..5058e24 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/FeedDatasetDetails.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/FeedDatasetDetails.java
@@ -61,8 +61,10 @@
 
     public FeedDatasetDetails(FileStructure fileStructure, PartitioningStrategy partitioningStrategy,
             List<String> partitioningKey, List<String> primaryKey, String groupName, String adapterFactory,
-            Map<String, String> properties, FunctionSignature signature, String feedState) {
-        super(fileStructure, partitioningStrategy, partitioningKey, primaryKey, groupName);
+            Map<String, String> properties, FunctionSignature signature, String feedState, String compactionPolicy,
+            Map<String, String> compactionPolicyProperties) {
+        super(fileStructure, partitioningStrategy, partitioningKey, primaryKey, groupName, compactionPolicy,
+                compactionPolicyProperties);
         this.properties = properties;
         this.adapterFactory = adapterFactory;
         this.signature = signature;
@@ -139,7 +141,8 @@
             String name = property.getKey();
             String value = property.getValue();
             itemValue.reset();
-            writePropertyTypeRecord(name, value, itemValue.getDataOutput());
+            writePropertyTypeRecord(name, value, itemValue.getDataOutput(),
+                    MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_RECORDTYPE);
             listBuilder.addItem(itemValue);
         }
         fieldValue.reset();
@@ -160,6 +163,27 @@
         stringSerde.serialize(aString, fieldValue.getDataOutput());
         feedRecordBuilder.addField(MetadataRecordTypes.FEED_DETAILS_ARECORD_STATE_FIELD_INDEX, fieldValue);
 
+        // write field 9
+        fieldValue.reset();
+        aString.setValue(getCompactionPolicy().toString());
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        feedRecordBuilder.addField(MetadataRecordTypes.FEED_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX, fieldValue);
+
+        // write field 10
+        listBuilder.reset((AOrderedListType) MetadataRecordTypes.FEED_DETAILS_RECORDTYPE.getFieldTypes()[10]);
+        for (Map.Entry<String, String> property : compactionPolicyProperties.entrySet()) {
+            String name = property.getKey();
+            String value = property.getValue();
+            itemValue.reset();
+            writePropertyTypeRecord(name, value, itemValue.getDataOutput(),
+                    MetadataRecordTypes.COMPACTION_POLICY_PROPERTIES_RECORDTYPE);
+            listBuilder.addItem(itemValue);
+        }
+        fieldValue.reset();
+        listBuilder.write(fieldValue.getDataOutput(), true);
+        feedRecordBuilder.addField(MetadataRecordTypes.FEED_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX,
+                fieldValue);
+
         try {
             feedRecordBuilder.write(out, true);
         } catch (IOException | AsterixException e) {
@@ -168,33 +192,6 @@
 
     }
 
-    public void writePropertyTypeRecord(String name, String value, DataOutput out) throws HyracksDataException {
-        IARecordBuilder propertyRecordBuilder = new RecordBuilder();
-        ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
-        propertyRecordBuilder.reset(MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_RECORDTYPE);
-        AMutableString aString = new AMutableString("");
-        ISerializerDeserializer<AString> stringSerde = AqlSerializerDeserializerProvider.INSTANCE
-                .getSerializerDeserializer(BuiltinType.ASTRING);
-
-        // write field 0
-        fieldValue.reset();
-        aString.setValue(name);
-        stringSerde.serialize(aString, fieldValue.getDataOutput());
-        propertyRecordBuilder.addField(0, fieldValue);
-
-        // write field 1
-        fieldValue.reset();
-        aString.setValue(value);
-        stringSerde.serialize(aString, fieldValue.getDataOutput());
-        propertyRecordBuilder.addField(1, fieldValue);
-
-        try {
-            propertyRecordBuilder.write(out, true);
-        } catch (IOException | AsterixException e) {
-            throw new HyracksDataException(e);
-        }
-    }
-
     public FeedState getFeedState() {
         return feedState;
     }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/InternalDatasetDetails.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/InternalDatasetDetails.java
index 4267af2..c5e6c96 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/InternalDatasetDetails.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/InternalDatasetDetails.java
@@ -18,6 +18,7 @@
 import java.io.DataOutput;
 import java.io.IOException;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.builders.IARecordBuilder;
 import edu.uci.ics.asterix.builders.OrderedListBuilder;
@@ -30,6 +31,7 @@
 import edu.uci.ics.asterix.om.base.AMutableString;
 import edu.uci.ics.asterix.om.base.AString;
 import edu.uci.ics.asterix.om.types.AOrderedListType;
+import edu.uci.ics.asterix.om.types.ARecordType;
 import edu.uci.ics.asterix.om.types.BuiltinType;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
@@ -52,14 +54,19 @@
     protected final List<String> partitioningKeys;
     protected final List<String> primaryKeys;
     protected final String nodeGroupName;
+    protected final String compactionPolicy;
+    protected final Map<String, String> compactionPolicyProperties;
 
     public InternalDatasetDetails(FileStructure fileStructure, PartitioningStrategy partitioningStrategy,
-            List<String> partitioningKey, List<String> primaryKey, String groupName) {
+            List<String> partitioningKey, List<String> primaryKey, String groupName, String compactionPolicy,
+            Map<String, String> compactionPolicyProperties) {
         this.fileStructure = fileStructure;
         this.partitioningStrategy = partitioningStrategy;
         this.partitioningKeys = partitioningKey;
         this.primaryKeys = primaryKey;
         this.nodeGroupName = groupName;
+        this.compactionPolicy = compactionPolicy;
+        this.compactionPolicyProperties = compactionPolicyProperties;
     }
 
     public String getNodeGroupName() {
@@ -82,6 +89,14 @@
         return partitioningStrategy;
     }
 
+    public String getCompactionPolicy() {
+        return compactionPolicy;
+    }
+
+    public Map<String, String> getCompactionPolicyProperties() {
+        return compactionPolicyProperties;
+    }
+
     @Override
     public DatasetType getDatasetType() {
         return DatasetType.INTERNAL;
@@ -146,6 +161,29 @@
         stringSerde.serialize(aString, fieldValue.getDataOutput());
         internalRecordBuilder.addField(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_GROUPNAME_FIELD_INDEX, fieldValue);
 
+        // write field 5
+        fieldValue.reset();
+        aString.setValue(getCompactionPolicy().toString());
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        internalRecordBuilder.addField(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX,
+                fieldValue);
+
+        // write field 6
+        listBuilder
+                .reset((AOrderedListType) MetadataRecordTypes.INTERNAL_DETAILS_RECORDTYPE.getFieldTypes()[MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX]);
+        for (Map.Entry<String, String> property : compactionPolicyProperties.entrySet()) {
+            String name = property.getKey();
+            String value = property.getValue();
+            itemValue.reset();
+            writePropertyTypeRecord(name, value, itemValue.getDataOutput(),
+                    MetadataRecordTypes.COMPACTION_POLICY_PROPERTIES_RECORDTYPE);
+            listBuilder.addItem(itemValue);
+        }
+        fieldValue.reset();
+        listBuilder.write(fieldValue.getDataOutput(), true);
+        internalRecordBuilder.addField(
+                MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX, fieldValue);
+
         try {
             internalRecordBuilder.write(out, true);
         } catch (IOException | AsterixException e) {
@@ -153,4 +191,32 @@
         }
     }
 
+    protected void writePropertyTypeRecord(String name, String value, DataOutput out, ARecordType recordType)
+            throws HyracksDataException {
+        IARecordBuilder propertyRecordBuilder = new RecordBuilder();
+        ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
+        propertyRecordBuilder.reset(recordType);
+        AMutableString aString = new AMutableString("");
+        ISerializerDeserializer<AString> stringSerde = AqlSerializerDeserializerProvider.INSTANCE
+                .getSerializerDeserializer(BuiltinType.ASTRING);
+
+        // write field 0
+        fieldValue.reset();
+        aString.setValue(name);
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        propertyRecordBuilder.addField(0, fieldValue);
+
+        // write field 1
+        fieldValue.reset();
+        aString.setValue(value);
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        propertyRecordBuilder.addField(1, fieldValue);
+
+        try {
+            propertyRecordBuilder.write(out, true);
+        } catch (IOException | AsterixException e) {
+            throw new HyracksDataException(e);
+        }
+    }
+
 }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/CompactionPolicyTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/CompactionPolicyTupleTranslator.java
new file mode 100644
index 0000000..cabe6b4
--- /dev/null
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/CompactionPolicyTupleTranslator.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed 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 from
+ * 
+ *     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 edu.uci.ics.asterix.metadata.entitytupletranslators;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.IOException;
+
+import edu.uci.ics.asterix.common.exceptions.AsterixException;
+import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
+import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataRecordTypes;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
+import edu.uci.ics.asterix.om.base.ARecord;
+import edu.uci.ics.asterix.om.base.AString;
+import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+/**
+ * Translates a Dataset metadata entity to an ITupleReference and vice versa.
+ */
+public class CompactionPolicyTupleTranslator extends AbstractTupleTranslator<CompactionPolicy> {
+    // Field indexes of serialized CompactionPolicy in a tuple.
+    // Key field.
+    public static final int COMPACTION_POLICY_DATAVERSE_NAME_FIELD_INDEX = 0;
+
+    public static final int COMPACTION_POLICY_NAME_FIELD_INDEX = 1;
+
+    // Payload field containing serialized compactionPolicy.
+    public static final int COMPACTION_POLICY_PAYLOAD_TUPLE_FIELD_INDEX = 2;
+
+    @SuppressWarnings("unchecked")
+    private ISerializerDeserializer<ARecord> recordSerDes = AqlSerializerDeserializerProvider.INSTANCE
+            .getSerializerDeserializer(MetadataRecordTypes.COMPACTION_POLICY_RECORDTYPE);
+
+    public CompactionPolicyTupleTranslator(boolean getTuple) {
+        super(getTuple, MetadataPrimaryIndexes.COMPACTION_POLICY_DATASET.getFieldCount());
+    }
+
+    @Override
+    public CompactionPolicy getMetadataEntytiFromTuple(ITupleReference frameTuple) throws IOException {
+        byte[] serRecord = frameTuple.getFieldData(COMPACTION_POLICY_PAYLOAD_TUPLE_FIELD_INDEX);
+        int recordStartOffset = frameTuple.getFieldStart(COMPACTION_POLICY_PAYLOAD_TUPLE_FIELD_INDEX);
+        int recordLength = frameTuple.getFieldLength(COMPACTION_POLICY_PAYLOAD_TUPLE_FIELD_INDEX);
+        ByteArrayInputStream stream = new ByteArrayInputStream(serRecord, recordStartOffset, recordLength);
+        DataInput in = new DataInputStream(stream);
+        ARecord compactionPolicyRecord = (ARecord) recordSerDes.deserialize(in);
+        return createCompactionPolicyFromARecord(compactionPolicyRecord);
+    }
+
+    private CompactionPolicy createCompactionPolicyFromARecord(ARecord compactionPolicyRecord) {
+        CompactionPolicy compactionPolicy = null;
+        String dataverseName = ((AString) compactionPolicyRecord
+                .getValueByPos(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_DATAVERSE_NAME_FIELD_INDEX))
+                .getStringValue();
+        String policyName = ((AString) compactionPolicyRecord
+                .getValueByPos(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_POLICY_NAME_FIELD_INDEX)).getStringValue();
+        String className = ((AString) compactionPolicyRecord
+                .getValueByPos(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_CLASSNAME_FIELD_INDEX)).getStringValue();
+
+        compactionPolicy = new CompactionPolicy(dataverseName, policyName, className);
+        return compactionPolicy;
+    }
+
+    @Override
+    public ITupleReference getTupleFromMetadataEntity(CompactionPolicy compactionPolicy) throws IOException,
+            MetadataException {
+
+        tupleBuilder.reset();
+        aString.setValue(compactionPolicy.getDataverseName());
+        stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+        tupleBuilder.addFieldEndOffset();
+
+        aString.setValue(compactionPolicy.getPolicyName());
+        stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+        tupleBuilder.addFieldEndOffset();
+
+        recordBuilder.reset(MetadataRecordTypes.COMPACTION_POLICY_RECORDTYPE);
+
+        // write field 0
+        fieldValue.reset();
+        aString.setValue(compactionPolicy.getDataverseName());
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        recordBuilder.addField(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_DATAVERSE_NAME_FIELD_INDEX, fieldValue);
+
+        // write field 1
+        fieldValue.reset();
+        aString.setValue(compactionPolicy.getPolicyName());
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        recordBuilder.addField(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_POLICY_NAME_FIELD_INDEX, fieldValue);
+
+        // write field 2
+        fieldValue.reset();
+        aString.setValue(compactionPolicy.getClassName());
+        stringSerde.serialize(aString, fieldValue.getDataOutput());
+        recordBuilder.addField(MetadataRecordTypes.COMPACTION_POLICY_ARECORD_CLASSNAME_FIELD_INDEX, fieldValue);
+
+        // write record
+        try {
+            recordBuilder.write(tupleBuilder.getDataOutput(), true);
+        } catch (AsterixException e) {
+            throw new MetadataException(e);
+        }
+        tupleBuilder.addFieldEndOffset();
+
+        tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
+        return tuple;
+    }
+}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
index 61f856a..3f70e2b 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
@@ -138,9 +138,9 @@
                 String value;
                 while (cursor.next()) {
                     ARecord field = (ARecord) cursor.get();
-                    key = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_NAME_FIELD_INDEX))
+                    key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
                             .getStringValue();
-                    value = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_VALUE_FIELD_INDEX))
+                    value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
                             .getStringValue();
                     properties.put(key, value);
                 }
@@ -169,8 +169,25 @@
                 String feedState = ((AString) datasetDetailsRecord
                         .getValueByPos(MetadataRecordTypes.FEED_DETAILS_ARECORD_STATE_FIELD_INDEX)).getStringValue();
 
+                String compactionPolicy = ((AString) datasetDetailsRecord
+                        .getValueByPos(MetadataRecordTypes.FEED_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX))
+                        .getStringValue();
+                cursor = ((AOrderedList) datasetDetailsRecord
+                        .getValueByPos(MetadataRecordTypes.FEED_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX))
+                        .getCursor();
+                Map<String, String> compactionPolicyProperties = new HashMap<String, String>();
+                while (cursor.next()) {
+                    ARecord field = (ARecord) cursor.get();
+                    key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
+                            .getStringValue();
+                    value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
+                            .getStringValue();
+                    compactionPolicyProperties.put(key, value);
+                }
+
                 datasetDetails = new FeedDatasetDetails(fileStructure, partitioningStrategy, partitioningKey,
-                        partitioningKey, groupName, adapter, properties, signature, feedState);
+                        partitioningKey, groupName, adapter, properties, signature, feedState, compactionPolicy,
+                        compactionPolicyProperties);
                 break;
             }
             case INTERNAL: {
@@ -193,8 +210,26 @@
                         .getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_GROUPNAME_FIELD_INDEX))
                         .getStringValue();
 
+                String compactionPolicy = ((AString) datasetDetailsRecord
+                        .getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_FIELD_INDEX))
+                        .getStringValue();
+                cursor = ((AOrderedList) datasetDetailsRecord
+                        .getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX))
+                        .getCursor();
+                Map<String, String> compactionPolicyProperties = new HashMap<String, String>();
+                String key;
+                String value;
+                while (cursor.next()) {
+                    ARecord field = (ARecord) cursor.get();
+                    key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
+                            .getStringValue();
+                    value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
+                            .getStringValue();
+                    compactionPolicyProperties.put(key, value);
+                }
+
                 datasetDetails = new InternalDatasetDetails(fileStructure, partitioningStrategy, partitioningKey,
-                        partitioningKey, groupName);
+                        partitioningKey, groupName, compactionPolicy, compactionPolicyProperties);
 
                 break;
             }
@@ -213,18 +248,19 @@
                 String value;
                 while (cursor.next()) {
                     ARecord field = (ARecord) cursor.get();
-                    key = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_NAME_FIELD_INDEX))
+                    key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
                             .getStringValue();
-                    value = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_VALUE_FIELD_INDEX))
+                    value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
                             .getStringValue();
                     properties.put(key, value);
                 }
                 datasetDetails = new ExternalDatasetDetails(adapter, properties);
         }
-        
+
         Map<String, String> hints = getDatasetHints(datasetRecord);
-        
-        return new Dataset(dataverseName, datasetName, typeName, datasetDetails, hints, datasetType, datasetId, pendingOp);
+
+        return new Dataset(dataverseName, datasetName, typeName, datasetDetails, hints, datasetType, datasetId,
+                pendingOp);
     }
 
     @Override
@@ -343,9 +379,9 @@
         IACursor cursor = list.getCursor();
         while (cursor.next()) {
             ARecord field = (ARecord) cursor.get();
-            key = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_NAME_FIELD_INDEX))
+            key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
                     .getStringValue();
-            value = ((AString) field.getValueByPos(MetadataRecordTypes.DATASOURCE_PROPERTIES_VALUE_FIELD_INDEX))
+            value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
                     .getStringValue();
             hints.put(key, value);
         }
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
index 820f277..57f2042 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
@@ -17,19 +17,27 @@
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
 import edu.uci.ics.asterix.formats.nontagged.AqlTypeTraitProvider;
+import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.metadata.MetadataManager;
+import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
+import edu.uci.ics.asterix.metadata.entities.CompactionPolicy;
 import edu.uci.ics.asterix.metadata.entities.Dataset;
 import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails;
 import edu.uci.ics.asterix.om.types.ARecordType;
 import edu.uci.ics.asterix.om.types.IAType;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
 import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
 import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
 import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 public class DatasetUtils {
     public static IBinaryComparatorFactory[] computeKeysBinaryComparatorFactories(Dataset dataset,
@@ -121,4 +129,22 @@
         }
         return -1;
     }
+
+    public static Pair<ILSMMergePolicyFactory, Map<String, String>> getMergePolicyFactory(Dataset dataset,
+            MetadataTransactionContext mdTxnCtx) throws AlgebricksException, MetadataException {
+        InternalDatasetDetails datasetDetails = (InternalDatasetDetails) dataset.getDatasetDetails();
+        String policyName = datasetDetails.getCompactionPolicy();
+        CompactionPolicy compactionPolicy = MetadataManager.INSTANCE.getCompactionPolicy(mdTxnCtx,
+                MetadataConstants.METADATA_DATAVERSE_NAME, policyName);
+        String compactionPolicyFactoryClassName = compactionPolicy.getClassName();
+        ILSMMergePolicyFactory mergePolicyFactory;
+        try {
+            mergePolicyFactory = (ILSMMergePolicyFactory) Class.forName(compactionPolicyFactoryClassName).newInstance();
+        } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
+            throw new AlgebricksException(e);
+        }
+        Map<String, String> properties = ((InternalDatasetDetails) dataset.getDatasetDetails())
+                .getCompactionPolicyProperties();
+        return new Pair<ILSMMergePolicyFactory, Map<String, String>>(mergePolicyFactory, properties);
+    }
 }
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java
index cf60182..6061cbe 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java
@@ -16,6 +16,7 @@
 
 import java.io.File;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.context.BaseOperationTracker;
 import edu.uci.ics.asterix.common.context.DatasetLifecycleManager;
@@ -27,6 +28,7 @@
 import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
 import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 
 public class LSMBTreeLocalResourceMetadata extends AbstractLSMLocalResourceMetadata {
@@ -37,14 +39,19 @@
     private final IBinaryComparatorFactory[] cmpFactories;
     private final int[] bloomFilterKeyFields;
     private final boolean isPrimary;
+    private final ILSMMergePolicyFactory mergePolicyFactory;
+    private final Map<String, String> mergePolicyProperties;
 
     public LSMBTreeLocalResourceMetadata(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories,
-            int[] bloomFilterKeyFields, boolean isPrimary, int datasetID) {
+            int[] bloomFilterKeyFields, boolean isPrimary, int datasetID, ILSMMergePolicyFactory mergePolicyFactory,
+            Map<String, String> mergePolicyProperties) {
         super(datasetID);
         this.typeTraits = typeTraits;
         this.cmpFactories = cmpFactories;
         this.bloomFilterKeyFields = bloomFilterKeyFields;
         this.isPrimary = isPrimary;
+        this.mergePolicyFactory = mergePolicyFactory;
+        this.mergePolicyProperties = mergePolicyProperties;
     }
 
     @Override
@@ -54,8 +61,8 @@
         List<IVirtualBufferCache> virtualBufferCaches = runtimeContextProvider.getVirtualBufferCaches(datasetID);
         LSMBTree lsmBTree = LSMBTreeUtils.createLSMTree(virtualBufferCaches, file, runtimeContextProvider
                 .getBufferCache(), runtimeContextProvider.getFileMapManager(), typeTraits, cmpFactories,
-                bloomFilterKeyFields, runtimeContextProvider.getBloomFilterFalsePositiveRate(), runtimeContextProvider
-                        .getLSMMergePolicy(),
+                bloomFilterKeyFields, runtimeContextProvider.getBloomFilterFalsePositiveRate(), mergePolicyFactory
+                        .createMergePolicy(mergePolicyProperties),
                 isPrimary ? runtimeContextProvider.getLSMBTreeOperationTracker(datasetID) : new BaseOperationTracker(
                         (DatasetLifecycleManager) runtimeContextProvider.getIndexLifecycleManager(), datasetID),
                 runtimeContextProvider.getLSMIOScheduler(), LSMBTreeIOOperationCallbackFactory.INSTANCE
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java
index 5ed7019..ded7d35 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java
@@ -15,6 +15,7 @@
 package edu.uci.ics.asterix.transaction.management.resource;
 
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.context.BaseOperationTracker;
 import edu.uci.ics.asterix.common.context.DatasetLifecycleManager;
@@ -25,6 +26,7 @@
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
@@ -39,11 +41,14 @@
     private final IBinaryComparatorFactory[] tokenCmpFactories;
     private final IBinaryTokenizerFactory tokenizerFactory;
     private final boolean isPartitioned;
+    private final ILSMMergePolicyFactory mergePolicyFactory;
+    private final Map<String, String> mergePolicyProperties;
 
     public LSMInvertedIndexLocalResourceMetadata(ITypeTraits[] invListTypeTraits,
             IBinaryComparatorFactory[] invListCmpFactories, ITypeTraits[] tokenTypeTraits,
             IBinaryComparatorFactory[] tokenCmpFactories, IBinaryTokenizerFactory tokenizerFactory,
-            boolean isPartitioned, int datasetID) {
+            boolean isPartitioned, int datasetID, ILSMMergePolicyFactory mergePolicyFactory,
+            Map<String, String> mergePolicyProperties) {
         super(datasetID);
         this.invListTypeTraits = invListTypeTraits;
         this.invListCmpFactories = invListCmpFactories;
@@ -51,6 +56,8 @@
         this.tokenCmpFactories = tokenCmpFactories;
         this.tokenizerFactory = tokenizerFactory;
         this.isPartitioned = isPartitioned;
+        this.mergePolicyFactory = mergePolicyFactory;
+        this.mergePolicyProperties = mergePolicyProperties;
     }
 
     @Override
@@ -70,7 +77,7 @@
                         runtimeContextProvider.getBufferCache(),
                         filePath,
                         runtimeContextProvider.getBloomFilterFalsePositiveRate(),
-                        runtimeContextProvider.getLSMMergePolicy(),
+                        mergePolicyFactory.createMergePolicy(mergePolicyProperties),
                         new BaseOperationTracker((DatasetLifecycleManager) runtimeContextProvider
                                 .getIndexLifecycleManager(), datasetID), runtimeContextProvider.getLSMIOScheduler(),
                         LSMInvertedIndexIOOperationCallbackFactory.INSTANCE.createIOOperationCallback());
@@ -86,7 +93,7 @@
                         runtimeContextProvider.getBufferCache(),
                         filePath,
                         runtimeContextProvider.getBloomFilterFalsePositiveRate(),
-                        runtimeContextProvider.getLSMMergePolicy(),
+                        mergePolicyFactory.createMergePolicy(mergePolicyProperties),
                         new BaseOperationTracker((DatasetLifecycleManager) runtimeContextProvider
                                 .getIndexLifecycleManager(), datasetID), runtimeContextProvider.getLSMIOScheduler(),
                         LSMInvertedIndexIOOperationCallbackFactory.INSTANCE.createIOOperationCallback());
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java
index dc6b30b..ffdfcac 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java
@@ -16,6 +16,7 @@
 
 import java.io.File;
 import java.util.List;
+import java.util.Map;
 
 import edu.uci.ics.asterix.common.context.BaseOperationTracker;
 import edu.uci.ics.asterix.common.context.DatasetLifecycleManager;
@@ -29,6 +30,7 @@
 import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
 import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
@@ -43,10 +45,13 @@
     private final IPrimitiveValueProviderFactory[] valueProviderFactories;
     private final RTreePolicyType rtreePolicyType;
     private final ILinearizeComparatorFactory linearizeCmpFactory;
+    private final ILSMMergePolicyFactory mergePolicyFactory;
+    private final Map<String, String> mergePolicyProperties;
 
     public LSMRTreeLocalResourceMetadata(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] rtreeCmpFactories,
             IBinaryComparatorFactory[] btreeCmpFactories, IPrimitiveValueProviderFactory[] valueProviderFactories,
-            RTreePolicyType rtreePolicyType, ILinearizeComparatorFactory linearizeCmpFactory, int datasetID) {
+            RTreePolicyType rtreePolicyType, ILinearizeComparatorFactory linearizeCmpFactory, int datasetID,
+            ILSMMergePolicyFactory mergePolicyFactory, Map<String, String> mergePolicyProperties) {
         super(datasetID);
         this.typeTraits = typeTraits;
         this.rtreeCmpFactories = rtreeCmpFactories;
@@ -54,6 +59,8 @@
         this.valueProviderFactories = valueProviderFactories;
         this.rtreePolicyType = rtreePolicyType;
         this.linearizeCmpFactory = linearizeCmpFactory;
+        this.mergePolicyFactory = mergePolicyFactory;
+        this.mergePolicyProperties = mergePolicyProperties;
     }
 
     @Override
@@ -65,7 +72,7 @@
             return LSMRTreeUtils.createLSMTree(virtualBufferCaches, file, runtimeContextProvider.getBufferCache(),
                     runtimeContextProvider.getFileMapManager(), typeTraits, rtreeCmpFactories, btreeCmpFactories,
                     valueProviderFactories, rtreePolicyType, runtimeContextProvider.getBloomFilterFalsePositiveRate(),
-                    runtimeContextProvider.getLSMMergePolicy(), new BaseOperationTracker(
+                    mergePolicyFactory.createMergePolicy(mergePolicyProperties), new BaseOperationTracker(
                             (DatasetLifecycleManager) runtimeContextProvider.getIndexLifecycleManager(), datasetID),
                     runtimeContextProvider.getLSMIOScheduler(), LSMRTreeIOOperationCallbackFactory.INSTANCE
                             .createIOOperationCallback(), linearizeCmpFactory);
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/AsterixRuntimeComponentsProvider.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/AsterixRuntimeComponentsProvider.java
index 5d4806d..47c6edf 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/AsterixRuntimeComponentsProvider.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/AsterixRuntimeComponentsProvider.java
@@ -20,8 +20,6 @@
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyProvider;
 import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
@@ -29,7 +27,8 @@
 import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
 
 public class AsterixRuntimeComponentsProvider implements IIndexLifecycleManagerProvider, IStorageManagerInterface,
-        ILSMIOOperationSchedulerProvider, ILSMMergePolicyProvider {
+        ILSMIOOperationSchedulerProvider {
+
     private static final long serialVersionUID = 1L;
 
     public static final AsterixRuntimeComponentsProvider RUNTIME_PROVIDER = new AsterixRuntimeComponentsProvider();
@@ -44,12 +43,6 @@
     }
 
     @Override
-    public ILSMMergePolicy getMergePolicy(IHyracksTaskContext ctx) {
-        return ((IAsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
-                .getLSMMergePolicy();
-    }
-
-    @Override
     public IBufferCache getBufferCache(IHyracksTaskContext ctx) {
         return ((IAsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
                 .getBufferCache();