diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
index 37109ab..25e8813 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
@@ -837,8 +837,7 @@
             IOptimizationContext context, List<Index> datasetIndexes, int optFuncExprIndex,
             AccessMethodAnalysisContext analysisCtx) throws AlgebricksException {
         boolean doesArrayIndexQualify = context.getPhysicalOptimizationConfig().isArrayIndexEnabled()
-                && datasetIndexes.stream().anyMatch(i -> i.getIndexType() == IndexType.ARRAY)
-                && assignOrUnnestIndex == subTree.getAssignsAndUnnests().size() - 1;
+                && datasetIndexes.stream().anyMatch(i -> i.getIndexType() == IndexType.ARRAY);
         List<LogicalVariable> varList = assignOp.getVariables();
         MutableInt fieldSource = new MutableInt(0);
         for (int varIndex = 0; varIndex < varList.size(); varIndex++) {
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/ArrayBTreeAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/ArrayBTreeAccessMethod.java
index 55f0827..b733b52 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/ArrayBTreeAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/ArrayBTreeAccessMethod.java
@@ -19,7 +19,9 @@
 
 package org.apache.asterix.optimizer.rules.am;
 
+import java.util.ArrayDeque;
 import java.util.ArrayList;
+import java.util.Deque;
 import java.util.List;
 
 import org.apache.asterix.common.config.DatasetConfig.IndexType;
@@ -38,6 +40,7 @@
 import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterUnnestOperator;
 import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
@@ -98,6 +101,29 @@
             return false;
         }
 
+        // TODO (GLENN): There is a bug with cross-products originating from the probe. Disable this case for now.
+        Deque<ILogicalOperator> opStack = new ArrayDeque<>();
+        List<ILogicalOperator> visited = new ArrayList<>();
+        opStack.add(probeSubTree.getRoot());
+        while (!opStack.isEmpty()) {
+            ILogicalOperator workingOp = opStack.pop();
+            if (!visited.contains(workingOp)) {
+                if (workingOp.getOperatorTag() == LogicalOperatorTag.INNERJOIN
+                        || workingOp.getOperatorTag() == LogicalOperatorTag.LEFTOUTERJOIN) {
+                    AbstractBinaryJoinOperator joinOperator = (AbstractBinaryJoinOperator) workingOp;
+                    if (joinOperator.getCondition().getValue().equals(ConstantExpression.TRUE)) {
+                        return false;
+                    }
+                }
+                visited.add(workingOp);
+            }
+            for (Mutable<ILogicalOperator> opRef : workingOp.getInputs()) {
+                if (!visited.contains(opRef.getValue())) {
+                    opStack.push(opRef.getValue());
+                }
+            }
+        }
+
         LogicalVariable newNullPlaceHolderVar = null;
         if (isLeftOuterJoin) {
             // Gets a new null place holder variable that is the first field variable of the primary key from the
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
index a800111..bc6d21c 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/IntroduceJoinAccessMethodRule.java
@@ -26,7 +26,6 @@
 
 import org.apache.asterix.metadata.entities.Dataset;
 import org.apache.asterix.metadata.entities.Index;
-import org.apache.asterix.om.functions.BuiltinFunctions;
 import org.apache.asterix.optimizer.rules.am.array.IIntroduceAccessMethodRuleLocalRewrite;
 import org.apache.asterix.optimizer.rules.am.array.JoinFromSubplanRewrite;
 import org.apache.commons.lang3.mutable.Mutable;
@@ -105,7 +104,9 @@
         registerAccessMethod(BTreeAccessMethod.INSTANCE, accessMethods);
         registerAccessMethod(RTreeAccessMethod.INSTANCE, accessMethods);
         registerAccessMethod(InvertedIndexAccessMethod.INSTANCE, accessMethods);
-        JoinFromSubplanRewrite.addOptimizableFunction(BuiltinFunctions.EQ);
+        for (Pair<FunctionIdentifier, Boolean> optFunc : BTreeAccessMethod.INSTANCE.getOptimizableFunctions()) {
+            JoinFromSubplanRewrite.addOptimizableFunction(optFunc.first);
+        }
     }
 
     /**
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
index 89800d8..0f7f354 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/AbstractOperatorFromSubplanRewrite.java
@@ -102,7 +102,7 @@
 
     protected LogicalVariable getConditioningVariable(ILogicalExpression condition) {
         List<Mutable<ILogicalExpression>> selectConjuncts = new ArrayList<>();
-        if (condition.splitIntoConjuncts(selectConjuncts)) {
+        if (splitIntoConjuncts(condition, selectConjuncts)) {
             for (Mutable<ILogicalExpression> conjunct : selectConjuncts) {
                 if (conjunct.getValue().getExpressionTag().equals(LogicalExpressionTag.VARIABLE)) {
                     return ((VariableReferenceExpression) conjunct.getValue()).getVariableReference();
@@ -132,7 +132,7 @@
         // Ensure that this SELECT represents a predicate for an existential query, and is a query we can optimize.
         ILogicalExpression normalizedSelectCondition =
                 normalizeCondition(workingSubplanRootAsAggregate, optimizableSelect.getCondition().getValue());
-        normalizedSelectCondition = keepOptimizableFunctions(normalizedSelectCondition);
+        normalizedSelectCondition = keepOptimizableFunctions(normalizedSelectCondition).cloneExpression();
 
         // Create a copy of this SELECT, and set this to our rewrite root.
         SelectOperator rewriteRootSelect = new SelectOperator(new MutableObject<>(normalizedSelectCondition),
@@ -226,9 +226,7 @@
 
         // Sanity check: we should always be working with an UNNEST at this stage.
         if (bottommostNewUnnest == null) {
-            throw new CompilationException(ErrorCode.COMPILATION_ERROR,
-                    workingSubplanRootAsAggregate.getSourceLocation(),
-                    "UNNEST expected in nested plan branch, but not found.");
+            return null;
         }
 
         // If we are working with strict universal quantification, then we must also check whether we have a
@@ -255,7 +253,7 @@
         combinedCondition.setSourceLocation(selectOp.getSourceLocation());
 
         List<Mutable<ILogicalExpression>> conjuncts = new ArrayList<>();
-        if (selectOp.getCondition().getValue().splitIntoConjuncts(conjuncts)) {
+        if (splitIntoConjuncts(selectOp.getCondition().getValue(), conjuncts)) {
             combinedCondition.getArguments().addAll(conjuncts);
             conjuncts.clear();
         } else {
@@ -266,7 +264,7 @@
             case LEFTOUTERJOIN:
             case INNERJOIN:
                 AbstractBinaryJoinOperator joinOp = (AbstractBinaryJoinOperator) auxOp;
-                if (joinOp.getCondition().getValue().splitIntoConjuncts(conjuncts)) {
+                if (splitIntoConjuncts(joinOp.getCondition().getValue(), conjuncts)) {
                     combinedCondition.getArguments().addAll(conjuncts);
                 } else {
                     combinedCondition.getArguments().add(joinOp.getCondition());
@@ -275,7 +273,7 @@
 
             case SELECT:
                 SelectOperator selectOp2 = (SelectOperator) auxOp;
-                if (selectOp2.getCondition().getValue().splitIntoConjuncts(conjuncts)) {
+                if (splitIntoConjuncts(selectOp2.getCondition().getValue(), conjuncts)) {
                     combinedCondition.getArguments().addAll(conjuncts);
                 } else {
                     combinedCondition.getArguments().add(selectOp2.getCondition());
@@ -343,7 +341,7 @@
         if (cond.getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)) {
             AbstractFunctionCallExpression func = (AbstractFunctionCallExpression) cond;
             List<Mutable<ILogicalExpression>> conjuncts = new ArrayList<>();
-            if (func.splitIntoConjuncts(conjuncts)) {
+            if (splitIntoConjuncts(func, conjuncts)) {
                 List<Mutable<ILogicalExpression>> optimizableConjuncts = new ArrayList<>();
                 for (Mutable<ILogicalExpression> conjunct : conjuncts) {
                     if (conjunct.getValue().getExpressionTag().equals(LogicalExpressionTag.FUNCTION_CALL)
@@ -415,7 +413,7 @@
         ILogicalExpression selectCondExpr =
                 normalizeCondition(null, ((SelectOperator) subplanInput).getCondition().getValue());
         List<Mutable<ILogicalExpression>> conjunctsFromSelect = new ArrayList<>();
-        if (selectCondExpr.splitIntoConjuncts(conjunctsFromSelect)) {
+        if (splitIntoConjuncts(selectCondExpr, conjunctsFromSelect)) {
             // We have a collection of conjuncts. Analyze each conjunct w/ a function.
             for (Mutable<ILogicalExpression> mutableConjunct : conjunctsFromSelect) {
                 ILogicalExpression workingConjunct = mutableConjunct.getValue();
@@ -500,4 +498,20 @@
             return ifMissingOrNullFunction.getArguments().get(0).getValue().cloneExpression();
         }
     }
+
+    private boolean splitIntoConjuncts(ILogicalExpression expression, List<Mutable<ILogicalExpression>> conjuncts) {
+        List<Mutable<ILogicalExpression>> exprConjuncts = new ArrayList<>();
+        if (expression.splitIntoConjuncts(exprConjuncts)) {
+            for (Mutable<ILogicalExpression> conjunct : exprConjuncts) {
+                List<Mutable<ILogicalExpression>> innerExprConjuncts = new ArrayList<>();
+                if (splitIntoConjuncts(conjunct.getValue(), innerExprConjuncts)) {
+                    conjuncts.addAll(innerExprConjuncts);
+                } else {
+                    conjuncts.add(conjunct);
+                }
+            }
+            return true;
+        }
+        return false;
+    }
 }
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/JoinFromSubplanRewrite.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/JoinFromSubplanRewrite.java
index c6fb5fd..aa80462 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/JoinFromSubplanRewrite.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/JoinFromSubplanRewrite.java
@@ -181,8 +181,9 @@
         // Traverse our subplan and generate a SELECT branch if applicable.
         SubplanOperator subplanOperator =
                 (SubplanOperator) joinContext.selectAfterSubplan.getInputs().get(0).getValue();
+        List<Mutable<ILogicalOperator>> originalOpInputs = originalOperator.getInputs();
         Pair<SelectOperator, UnnestOperator> traversalOutput =
-                traverseSubplanBranch(subplanOperator, originalOperator.getInputs().get(1).getValue(), true);
+                traverseSubplanBranch(subplanOperator, originalOpInputs.get(1).getValue(), true);
         if (traversalOutput == null) {
             return null;
         }
@@ -190,12 +191,11 @@
         // We have successfully generated a SELECT branch. Create the new JOIN operator.
         ScalarFunctionCallExpression newCond = coalesceConditions(traversalOutput.first, joinContext.originalJoinRoot);
         joinContext.newJoinRoot = new InnerJoinOperator(new MutableObject<>(newCond));
-        joinContext.newJoinRoot.getInputs().add(0, originalOperator.getInputs().get(0));
+        joinContext.newJoinRoot.getInputs().add(0, new MutableObject<>(originalOpInputs.get(0).getValue()));
 
         // Connect the join branches together.
         traversalOutput.second.getInputs().clear();
-        traversalOutput.second.getInputs().add(originalOperator.getInputs().get(1));
-        context.computeAndSetTypeEnvironmentForOperator(traversalOutput.second);
+        traversalOutput.second.getInputs().add(new MutableObject<>(originalOpInputs.get(1).getValue()));
         joinContext.newJoinRoot.getInputs().add(1, traversalOutput.first.getInputs().get(0));
         context.computeAndSetTypeEnvironmentForOperator(joinContext.newJoinRoot);
 
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/MergedSelectRewrite.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/MergedSelectRewrite.java
index c9705ab..5aefdbf 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/MergedSelectRewrite.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/array/MergedSelectRewrite.java
@@ -64,7 +64,10 @@
 
         // Explore all operators below this SELECT until the first data source operator.
         selectRootStack.push(originalOperator);
-        collectSelectConjuncts(originalOperator.getInputs().get(0));
+        if (!collectSelectConjuncts(originalOperator.getInputs().get(0))) {
+            // We encountered a JOIN operator. Exit early.
+            return null;
+        }
 
         if (thisSelectConjuncts.size() == selectConjuncts.size()) {
             // No other SELECTs were found. Return null to indicate there were no SELECTs to merge.
@@ -98,7 +101,7 @@
         return selectRootStack.pop();
     }
 
-    private void collectSelectConjuncts(Mutable<ILogicalOperator> workingOp) {
+    private boolean collectSelectConjuncts(Mutable<ILogicalOperator> workingOp) {
         switch (workingOp.getValue().getOperatorTag()) {
             case DATASOURCESCAN:
             case EMPTYTUPLESOURCE:
@@ -110,7 +113,7 @@
             case INNERJOIN:
             case LEFTOUTERJOIN:
                 // We are not interested in exploring joins in this class.
-                break;
+                return false;
 
             case SELECT:
                 SelectOperator selectOperator = (SelectOperator) workingOp.getValue();
@@ -123,9 +126,12 @@
             default:
                 // Explore the rest of our plan in our DFS fashion.
                 for (Mutable<ILogicalOperator> input : workingOp.getValue().getInputs()) {
-                    collectSelectConjuncts(input);
+                    if (!collectSelectConjuncts(input)) {
+                        return false;
+                    }
                 }
         }
+        return true;
     }
 
     private void removeSelectsFromPlan(ILogicalOperator parentOp, Mutable<ILogicalOperator> workingOp) {
diff --git a/asterixdb/asterix-app/data/array-index.adm b/asterixdb/asterix-app/data/array-index.adm
new file mode 100644
index 0000000..fbe2221
--- /dev/null
+++ b/asterixdb/asterix-app/data/array-index.adm
@@ -0,0 +1,500 @@
+{"grouping_1000":1, "grouping_500":1, "grouping_250":1, "grouping_100":1, "integer_rand_2000":null, "integer_seq_2000":1, "integer_rand_2":0, "integer_rand_10":6, "integer_rand_20":6, "string_rand_26_a":null, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":2, "grouping_500":2, "grouping_250":2, "grouping_100":2, "integer_rand_2000":null, "integer_seq_2000":2, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":2, "integer_rand_20":12, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":3, "grouping_500":3, "grouping_250":3, "grouping_100":3, "integer_rand_2000":78, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":null, "integer_rand_20":18, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":null}
+{"grouping_1000":4, "grouping_500":4, "grouping_250":4, "grouping_100":4, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":null, "integer_rand_4":0, "integer_rand_20":null, "string_rand_26_a":0, "string_rand_26_b":null, "string_rand_26_c":0}
+{"grouping_1000":5, "grouping_500":5, "grouping_250":5, "grouping_100":5, "integer_rand_2000":null, "integer_seq_2000":5, "integer_rand_2":null, "integer_rand_10":0, "integer_rand_20":10, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":null}
+{"grouping_1000":6, "grouping_500":6, "grouping_250":6, "grouping_100":6, "integer_seq_2000":null, "integer_rand_4":0, "integer_rand_10":6, "integer_rand_20":16, "string_rand_26_a":null, "string_rand_26_b":null, "string_rand_26_c":0}
+{"grouping_1000":7, "grouping_500":7, "grouping_250":7, "grouping_100":7, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":2, "integer_rand_20":2, "string_rand_26_a":null, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":8, "grouping_500":8, "grouping_250":8, "grouping_100":8, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":8, "integer_rand_20":null, "string_rand_26_a":null, "string_rand_26_b":null, "string_rand_26_c":null}
+{"grouping_1000":9, "grouping_500":9, "grouping_250":9, "grouping_100":9, "integer_rand_2000":null, "integer_seq_2000":9, "integer_rand_2":null, "integer_rand_4":2, "integer_rand_10":4, "integer_rand_20":14, "string_rand_26_a":null, "string_rand_26_b":null, "string_rand_26_c":0}
+{"grouping_1000":10, "grouping_500":10, "grouping_250":10, "grouping_100":10, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":0, "string_rand_26_c":0}
+{"grouping_1000":11, "grouping_500":11, "grouping_250":11, "grouping_100":11, "integer_rand_2000":null, "integer_seq_2000":11, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":6, "integer_rand_20":null, "string_rand_26_b":0, "string_rand_26_c":null}
+{"grouping_1000":12, "grouping_500":12, "grouping_250":12, "grouping_100":12, "integer_rand_2000":312, "integer_seq_2000":12, "integer_rand_2":null, "integer_rand_10":2, "integer_rand_20":null, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":13, "grouping_500":13, "grouping_250":13, "grouping_100":13, "integer_rand_2000":338, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":8, "integer_rand_20":18, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":14, "grouping_500":14, "grouping_250":14, "grouping_100":14, "integer_rand_2000":364, "integer_seq_2000":14, "integer_rand_2":null, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":4, "string_rand_26_a":0, "string_rand_26_b":null, "string_rand_26_c":0}
+{"grouping_1000":15, "grouping_500":15, "grouping_250":15, "grouping_100":15, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":0, "integer_rand_20":null, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":16, "grouping_500":16, "grouping_250":16, "grouping_100":16, "integer_rand_2000":416, "integer_seq_2000":16, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_20":16, "string_rand_26_c":null}
+{"grouping_1000":17, "grouping_500":17, "grouping_250":17, "grouping_100":17, "integer_rand_2000":442, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":2, "integer_rand_20":2, "string_rand_26_a":0, "string_rand_26_b":0, "string_rand_26_c":0}
+{"grouping_1000":18, "grouping_500":18, "grouping_250":18, "grouping_100":18, "integer_rand_2000":468, "integer_rand_2":0, "integer_rand_10":8, "integer_rand_20":8, "string_rand_26_a":0, "string_rand_26_b":null, "string_rand_26_c":0}
+{"grouping_1000":19, "grouping_500":19, "grouping_250":19, "grouping_100":19, "integer_rand_2000":494, "integer_seq_2000":19, "integer_rand_2":null, "integer_rand_4":2, "integer_rand_10":4, "integer_rand_20":14, "string_rand_26_a":0, "string_rand_26_c":0}
+{"grouping_1000":20, "grouping_500":20, "grouping_250":20, "grouping_100":20, "integer_rand_2000":403, "integer_rand_2":1, "integer_rand_4":3, "integer_rand_10":3, "integer_rand_20":null, "string_rand_26_a":null, "string_rand_26_b":null}
+{"grouping_1000":21, "grouping_500":21, "grouping_250":21, "grouping_100":21, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":0, "integer_rand_20":10, "string_rand_26_a":18, "string_rand_26_b":18, "string_rand_26_c":null}
+{"grouping_1000":22, "grouping_500":22, "grouping_250":22, "grouping_100":22, "integer_rand_2000":null, "integer_rand_2":null, "integer_rand_4":1, "integer_rand_10":5, "integer_rand_20":5, "string_rand_26_a":null, "string_rand_26_b":17, "string_rand_26_c":17}
+{"grouping_1000":23, "grouping_500":23, "grouping_250":23, "grouping_100":23, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":3, "integer_rand_20":13, "string_rand_26_a":23, "string_rand_26_b":23, "string_rand_26_c":null}
+{"grouping_1000":24, "grouping_500":24, "grouping_250":24, "grouping_100":24, "integer_rand_2000":80, "integer_seq_2000":24, "integer_rand_2":null, "integer_rand_10":null, "integer_rand_20":0, "string_rand_26_a":null, "string_rand_26_b":2, "string_rand_26_c":2}
+{"grouping_1000":25, "grouping_500":25, "grouping_250":25, "grouping_100":25, "integer_rand_2000":485, "integer_seq_2000":25, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":5, "string_rand_26_a":null, "string_rand_26_b":17, "string_rand_26_c":17}
+{"grouping_1000":26, "grouping_500":26, "grouping_250":26, "grouping_100":26, "integer_rand_2000":423, "integer_seq_2000":26, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":null, "string_rand_26_a":7, "string_rand_26_b":7, "string_rand_26_c":null}
+{"grouping_1000":27, "grouping_500":27, "grouping_250":27, "grouping_100":27, "integer_rand_2000":null, "integer_seq_2000":27, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":10, "string_rand_26_a":12, "string_rand_26_b":null, "string_rand_26_c":null}
+{"grouping_1000":28, "grouping_500":28, "grouping_250":28, "grouping_100":28, "integer_rand_2000":null, "integer_seq_2000":28, "integer_rand_4":3, "integer_rand_10":9, "integer_rand_20":19, "string_rand_26_a":17, "string_rand_26_b":17, "string_rand_26_c":17}
+{"grouping_1000":29, "grouping_500":29, "grouping_250":29, "grouping_100":29, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":1, "integer_rand_4":1, "integer_rand_10":null, "integer_rand_20":13, "string_rand_26_a":17, "string_rand_26_b":null, "string_rand_26_c":17}
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+{"grouping_1000":450, "grouping_500":450, "grouping_250":200, "grouping_100":50, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":null, "integer_rand_10":1, "integer_rand_20":null, "string_rand_26_a":23, "string_rand_26_b":23, "string_rand_26_c":23}
+{"grouping_1000":451, "grouping_500":451, "grouping_250":201, "grouping_100":51, "integer_rand_2000":null, "integer_rand_2":0, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_b":null}
+{"grouping_1000":452, "grouping_500":452, "grouping_250":202, "grouping_100":52, "integer_rand_2000":495, "integer_seq_2000":452, "integer_rand_2":1, "integer_rand_4":3, "integer_rand_10":null, "integer_rand_20":15, "string_rand_26_a":1, "string_rand_26_b":1, "string_rand_26_c":1}
+{"grouping_1000":453, "grouping_500":453, "grouping_250":203, "grouping_100":53, "integer_rand_2000":33, "integer_seq_2000":453, "integer_rand_2":1, "integer_rand_4":1, "integer_rand_10":3, "integer_rand_20":13, "string_rand_26_a":null, "string_rand_26_b":7, "string_rand_26_c":null}
+{"grouping_1000":454, "grouping_500":454, "grouping_250":204, "grouping_100":54, "integer_rand_2000":168, "integer_seq_2000":454, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":8, "integer_rand_20":null, "string_rand_26_a":12, "string_rand_26_b":null, "string_rand_26_c":12}
+{"grouping_1000":455, "grouping_500":455, "grouping_250":205, "grouping_100":55, "integer_rand_2000":459, "integer_rand_2":1, "integer_rand_4":3, "integer_rand_10":9, "integer_rand_20":null, "string_rand_26_a":17, "string_rand_26_b":null, "string_rand_26_c":17}
+{"grouping_1000":456, "grouping_500":456, "grouping_250":206, "grouping_100":56, "integer_rand_2000":169, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":null, "string_rand_26_b":13, "string_rand_26_c":13}
+{"grouping_1000":457, "grouping_500":457, "grouping_250":207, "grouping_100":57, "integer_rand_2000":178, "integer_seq_2000":457, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":8, "integer_rand_20":18, "string_rand_26_a":22, "string_rand_26_b":null, "string_rand_26_c":22}
+{"grouping_1000":458, "grouping_500":458, "grouping_250":208, "grouping_100":58, "integer_rand_2000":6, "integer_seq_2000":458, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":6, "string_rand_26_a":null, "string_rand_26_b":6, "string_rand_26_c":null}
+{"grouping_1000":459, "grouping_500":459, "grouping_250":209, "grouping_100":59, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":null, "integer_rand_4":1, "integer_rand_10":9, "integer_rand_20":9, "string_rand_26_a":13, "string_rand_26_b":13, "string_rand_26_c":13}
+{"grouping_1000":460, "grouping_500":460, "grouping_250":210, "grouping_100":60, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_4":0, "integer_rand_20":8, "string_rand_26_b":null, "string_rand_26_c":6}
+{"grouping_1000":461, "grouping_500":461, "grouping_250":211, "grouping_100":61, "integer_rand_2000":266, "integer_seq_2000":461, "integer_rand_2":null, "integer_rand_4":2, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":6, "string_rand_26_b":6, "string_rand_26_c":null}
+{"grouping_1000":462, "grouping_500":462, "grouping_250":212, "grouping_100":62, "integer_rand_2000":32, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_20":12, "string_rand_26_a":6, "string_rand_26_b":6, "string_rand_26_c":6}
+{"grouping_1000":463, "grouping_500":463, "grouping_250":213, "grouping_100":63, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":null, "string_rand_26_b":16}
+{"grouping_1000":464, "grouping_500":464, "grouping_250":214, "grouping_100":64, "integer_rand_2000":408, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":8, "integer_rand_20":null, "string_rand_26_a":18, "string_rand_26_c":18}
+{"grouping_1000":465, "grouping_500":465, "grouping_250":215, "grouping_100":65, "integer_rand_2000":458, "integer_seq_2000":465, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":8, "integer_rand_20":18, "string_rand_26_a":16, "string_rand_26_b":16, "string_rand_26_c":null}
+{"grouping_1000":466, "grouping_500":466, "grouping_250":216, "grouping_100":66, "integer_rand_2000":8, "integer_seq_2000":466, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":8, "integer_rand_20":8, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":467, "grouping_500":467, "grouping_250":217, "grouping_100":67, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":4, "integer_rand_20":null, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":468, "grouping_500":468, "grouping_250":218, "grouping_100":68, "integer_seq_2000":468, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":0, "integer_rand_20":0, "string_rand_26_a":null, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":469, "grouping_500":469, "grouping_250":219, "grouping_100":69, "integer_rand_2000":86, "integer_seq_2000":469, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":6, "integer_rand_20":6, "string_rand_26_a":null, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":470, "grouping_500":470, "grouping_250":220, "grouping_100":70, "integer_rand_2000":112, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":2, "integer_rand_20":12, "string_rand_26_a":8, "string_rand_26_b":8}
+{"grouping_1000":471, "grouping_500":471, "grouping_250":221, "grouping_100":71, "integer_rand_2000":138, "integer_seq_2000":471, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":null, "integer_rand_20":18, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":472, "grouping_500":472, "grouping_250":222, "grouping_100":72, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_20":null, "string_rand_26_a":8, "string_rand_26_b":null, "string_rand_26_c":8}
+{"grouping_1000":473, "grouping_500":473, "grouping_250":223, "grouping_100":73, "integer_seq_2000":473, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":0, "integer_rand_20":10, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":474, "grouping_500":474, "grouping_250":224, "grouping_100":74, "integer_rand_2000":216, "integer_seq_2000":474, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":16, "string_rand_26_a":null, "string_rand_26_c":null}
+{"grouping_1000":475, "grouping_500":475, "grouping_250":225, "grouping_100":75, "integer_rand_2000":242, "integer_seq_2000":475, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_10":2, "integer_rand_20":null, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":476, "grouping_500":476, "grouping_250":226, "grouping_100":76, "integer_rand_2000":268, "integer_seq_2000":476, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":8, "integer_rand_20":8, "string_rand_26_a":null, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":477, "grouping_500":477, "grouping_250":227, "grouping_100":77, "integer_rand_4":2, "integer_rand_10":4, "integer_rand_20":14, "string_rand_26_a":8, "string_rand_26_b":null, "string_rand_26_c":8}
+{"grouping_1000":478, "grouping_500":478, "grouping_250":228, "grouping_100":78, "integer_rand_2000":null, "integer_seq_2000":478, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":0, "integer_rand_20":0, "string_rand_26_a":null, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":479, "grouping_500":479, "grouping_250":229, "grouping_100":79, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_10":6, "integer_rand_20":null, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":480, "grouping_500":480, "grouping_250":230, "grouping_100":80, "integer_rand_2000":null, "integer_seq_2000":480, "integer_rand_2":null, "integer_rand_4":0, "integer_rand_10":2, "integer_rand_20":12, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":481, "grouping_500":481, "grouping_250":231, "grouping_100":81, "integer_rand_2000":398, "integer_seq_2000":481, "integer_rand_2":null, "integer_rand_4":null, "integer_rand_20":18, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":482, "grouping_500":482, "grouping_250":232, "grouping_100":82, "integer_rand_2000":424, "integer_seq_2000":482, "integer_rand_2":null, "integer_rand_4":0, "integer_rand_10":4, "integer_rand_20":4, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":483, "grouping_500":483, "grouping_250":233, "grouping_100":83, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":0, "integer_rand_20":null, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":null}
+{"grouping_1000":484, "grouping_500":484, "grouping_250":234, "grouping_100":84, "integer_rand_2000":476, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":16, "string_rand_26_a":8, "string_rand_26_b":8, "string_rand_26_c":8}
+{"grouping_1000":485, "grouping_500":485, "grouping_250":235, "grouping_100":85, "integer_rand_2000":328, "integer_rand_4":0, "integer_rand_10":8, "integer_rand_20":8, "string_rand_26_a":16, "string_rand_26_b":16, "string_rand_26_c":16}
+{"grouping_1000":486, "grouping_500":486, "grouping_250":236, "grouping_100":86, "integer_rand_2000":355, "integer_seq_2000":486, "integer_rand_2":1, "integer_rand_4":3, "integer_rand_10":null, "integer_rand_20":15, "string_rand_26_a":17, "string_rand_26_b":null, "string_rand_26_c":17}
+{"grouping_1000":487, "grouping_500":487, "grouping_250":237, "grouping_100":87, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":18, "string_rand_26_b":null, "string_rand_26_c":18}
+{"grouping_1000":488, "grouping_500":488, "grouping_250":238, "grouping_100":88, "integer_rand_2000":null, "integer_seq_2000":null, "integer_rand_2":1, "integer_rand_4":1, "integer_rand_10":3, "integer_rand_20":13, "string_rand_26_a":23, "string_rand_26_b":23, "string_rand_26_c":null}
+{"grouping_1000":489, "grouping_500":489, "grouping_250":239, "grouping_100":89, "integer_rand_2000":2, "integer_seq_2000":489, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":null, "integer_rand_20":2, "string_rand_26_a":2, "string_rand_26_b":2, "string_rand_26_c":2}
+{"grouping_1000":490, "grouping_500":490, "grouping_250":240, "grouping_100":90, "integer_rand_2000":null, "integer_seq_2000":490, "integer_rand_2":0, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":2, "string_rand_26_b":2, "string_rand_26_c":2}
+{"grouping_1000":491, "grouping_500":491, "grouping_250":241, "grouping_100":91, "integer_rand_2000":136, "integer_rand_2":0, "integer_rand_10":6, "integer_rand_20":16, "string_rand_26_a":6, "string_rand_26_b":null, "string_rand_26_c":null}
+{"grouping_1000":492, "grouping_500":492, "grouping_250":242, "grouping_100":92, "integer_rand_2000":262, "integer_seq_2000":492, "integer_rand_2":null, "integer_rand_4":2, "integer_rand_10":2, "integer_rand_20":2, "string_rand_26_a":null, "string_rand_26_b":2, "string_rand_26_c":2}
+{"grouping_1000":493, "grouping_500":493, "grouping_250":243, "grouping_100":93, "integer_rand_2000":298, "integer_seq_2000":493, "integer_rand_2":0, "integer_rand_4":2, "integer_rand_10":8, "integer_rand_20":18, "string_rand_26_a":null, "string_rand_26_b":12, "string_rand_26_c":12}
+{"grouping_1000":494, "grouping_500":494, "grouping_250":244, "grouping_100":94, "integer_rand_2000":99, "integer_seq_2000":494, "integer_rand_4":null, "string_rand_26_a":21, "string_rand_26_b":21, "string_rand_26_c":null}
+{"grouping_1000":495, "grouping_500":495, "grouping_250":245, "grouping_100":95, "integer_rand_2000":455, "integer_seq_2000":495, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":5, "integer_rand_20":15, "string_rand_26_a":13, "string_rand_26_b":13, "string_rand_26_c":13}
+{"grouping_1000":496, "grouping_500":496, "grouping_250":246, "grouping_100":96, "integer_rand_2000":null, "integer_seq_2000":496, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_b":null, "string_rand_26_c":22}
+{"grouping_1000":497, "grouping_500":497, "grouping_250":247, "grouping_100":97, "integer_seq_2000":497, "integer_rand_2":1, "integer_rand_4":null, "integer_rand_10":null, "integer_rand_20":19, "string_rand_26_a":null, "string_rand_26_b":21, "string_rand_26_c":null}
+{"grouping_1000":498, "grouping_500":498, "grouping_250":248, "grouping_100":98, "integer_rand_2000":152, "integer_seq_2000":498, "integer_rand_2":0, "integer_rand_4":0, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":null, "string_rand_26_b":22, "string_rand_26_c":22}
+{"grouping_1000":499, "grouping_500":499, "grouping_250":249, "grouping_100":99, "integer_rand_2000":null, "integer_seq_2000":499, "integer_rand_2":null, "integer_rand_4":2, "integer_rand_10":8, "string_rand_26_a":6, "string_rand_26_b":null}
+{"grouping_1000":500, "grouping_500":0, "grouping_250":0, "grouping_100":0, "integer_rand_2000":39, "integer_seq_2000":500, "integer_rand_2":null, "integer_rand_4":3, "integer_rand_10":null, "integer_rand_20":null, "string_rand_26_a":13, "string_rand_26_b":13, "string_rand_26_c":13}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayDataset.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayDataset.java
new file mode 100644
index 0000000..d943953
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayDataset.java
@@ -0,0 +1,237 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import static org.apache.asterix.test.array.ArrayElement.TableField;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.JsonNode;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.ArrayNode;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.IntNode;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.ObjectNode;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.TextNode;
+
+public class ArrayDataset {
+    public static final String[] ADDITIONAL_GROUPS = new String[] { "extra_grouping_5_a", "extra_grouping_5_b" };
+    public static final String[] ADDITIONAL_FIELDS = new String[] { "extra_integer_1_a", "extra_integer_1_b" };
+    public static final String[] VALUES_FOR_ADDITIONAL_GROUPS = new String[] { "1", "2", "3", "4", "5" };
+    public static final String[] VALUES_FOR_ADDITIONAL_FIELDS = new String[] { "1", "2" };
+
+    public static final String[] CONTAINER_OBJECT_NAMES = new String[] { "container_object_1", "container_object_2" };
+    public static final String[] CONTAINED_OBJECT_NAMES = new String[] { "contained_object_1", "contained_object_2" };
+
+    private String fromBaseQuery;
+
+    @Override
+    public String toString() {
+        return fromBaseQuery;
+    }
+
+    public static class Builder {
+        private final JsonNodeFactory jsonNodeFactory = new JsonNodeFactory(false);
+        private final List<ArrayElement> builderElements = new ArrayList<>();
+
+        public void addElement(ArrayElement element) {
+            builderElements.add(element);
+        }
+
+        public ArrayDataset build() {
+            ArrayElement e = builderElements.stream().filter(m -> !m.unnestList.isEmpty()).findFirst().orElseThrow();
+            List<TableField> f = builderElements.stream().filter(m -> m.unnestList.isEmpty())
+                    .map(m -> m.projectList.get(0)).collect(Collectors.toUnmodifiableList());
+            int arrayNestingLevel = e.unnestList.size();
+
+            // First, build the innermost array component (i.e. the SELECT clause of the DDL, or lack thereof).
+            StringBuilder sb = new StringBuilder();
+            sb.append("WITH group1 AS (\n");
+            sb.append("\tFROM ").append(BaseWisconsinTable.TABLE_NAME).append(" D\n\t");
+            appendGroupByClause(sb, e.unnestList.size());
+            sb.append("\tGROUP AS G1\n");
+            appendSelectClauseWithGroupTerm(sb, "G1", arrayNestingLevel, e.unnestList.get(arrayNestingLevel - 1),
+                    buildStartingSelectValue(e));
+            sb.append(")\n");
+
+            // If we have any nested arrays, additional groups.
+            for (int i = 1; i < e.unnestList.size(); i++) {
+                String joinFieldName = BaseWisconsinTable.GROUPING_FIELDS[arrayNestingLevel - 1].fieldName;
+                sb.append(", group").append(i + 1).append(" AS (\n");
+                sb.append("\tFROM ").append(BaseWisconsinTable.TABLE_NAME).append(" D\n\t");
+                sb.append("JOIN group").append(i).append(" G").append(i).append("\n\tON ");
+                sb.append("D.").append(joinFieldName);
+                sb.append(" = G").append(i).append('.').append(joinFieldName).append("\n\t");
+                appendGroupByClause(sb, arrayNestingLevel - 1);
+                sb.append("\tGROUP AS G").append(i + 1).append('\n');
+                appendSelectClauseWithGroupTerm(sb, "G" + (i + 1), arrayNestingLevel - 1,
+                        e.unnestList.get(arrayNestingLevel - 2), String.format("%s_inner.G%d", "G" + (i + 1), i));
+                sb.append(")\n");
+                arrayNestingLevel--;
+            }
+
+            // Add the final SELECT clause.
+            String joinFieldName = BaseWisconsinTable.GROUPING_FIELDS[arrayNestingLevel - 1].fieldName;
+            sb.append("FROM ").append(BaseWisconsinTable.TABLE_NAME).append(" D\n");
+            sb.append("JOIN group").append(e.unnestList.size()).append(" G").append(e.unnestList.size());
+            sb.append("\nON D.").append(joinFieldName).append(" = G");
+            sb.append(e.unnestList.size()).append('.').append(joinFieldName).append("\n");
+            appendSelectClauseWithoutGroupTerm(sb, "G" + e.unnestList.size(), arrayNestingLevel - 1,
+                    e.unnestList.get(0), f);
+
+            // Return the new array dataset.
+            ArrayDataset arrayDataset = new ArrayDataset();
+            arrayDataset.fromBaseQuery = sb.toString();
+            return arrayDataset;
+        }
+
+        private void appendGroupByClause(StringBuilder sb, int numGroupFields) {
+            sb.append("GROUP BY D.").append(BaseWisconsinTable.GROUPING_FIELDS[0].fieldName).append(" ");
+            for (int i = 1; i < numGroupFields; i++) {
+                sb.append(", D.").append(BaseWisconsinTable.GROUPING_FIELDS[i].fieldName).append(' ');
+            }
+            sb.append('\n');
+        }
+
+        private void appendSelectClauseWithGroupTerm(StringBuilder sb, String groupAlias, int numGroupFields,
+                TableField groupField, String groupValue) {
+            ObjectNode selectClauseNode = new ObjectNode(jsonNodeFactory);
+
+            // Append the GROUP BY fields.
+            for (int i = 0; i < numGroupFields; i++) {
+                selectClauseNode.put(BaseWisconsinTable.GROUPING_FIELDS[i].fieldName,
+                        String.format("$D.%s$", BaseWisconsinTable.GROUPING_FIELDS[i].fieldName));
+            }
+
+            // Append two extra groups alongside the group-to-be-added.
+            List<JsonNode> additionalGroupValues = Stream.of(VALUES_FOR_ADDITIONAL_GROUPS)
+                    .map(v -> new IntNode(Integer.parseInt(v))).collect(Collectors.toList());
+            for (String additionalGroup : ADDITIONAL_GROUPS) {
+                selectClauseNode.set(additionalGroup, new ArrayNode(jsonNodeFactory, additionalGroupValues));
+            }
+
+            // Create the group field.
+            String q = String.format("$( FROM %s %<s_inner SELECT VALUE %s )$", groupAlias, groupValue);
+            appendNestedFieldsToObjectNode(groupField, selectClauseNode, new TextNode(q));
+
+            // Serialize our object into a SELECT clause.
+            sb.append("\tSELECT VALUE ").append(buildJSONForQuery(selectClauseNode));
+        }
+
+        private void appendSelectClauseWithoutGroupTerm(StringBuilder sb, String groupAlias, int numGroupFields,
+                TableField groupField, List<TableField> auxiliaryFields) {
+            ObjectNode selectClauseNode = new ObjectNode(jsonNodeFactory);
+
+            // Append the GROUP BY fields.
+            for (int i = 0; i < numGroupFields; i++) {
+                selectClauseNode.put(BaseWisconsinTable.GROUPING_FIELDS[i].fieldName,
+                        String.format("$D.%s$", BaseWisconsinTable.GROUPING_FIELDS[i].fieldName));
+            }
+
+            // Append two extra groups alongside the group-to-be-added.
+            List<JsonNode> additionalGroupValues = Stream.of(VALUES_FOR_ADDITIONAL_GROUPS)
+                    .map(v -> new IntNode(Integer.parseInt(v))).collect(Collectors.toList());
+            for (String additionalGroup : ADDITIONAL_GROUPS) {
+                selectClauseNode.set(additionalGroup, new ArrayNode(jsonNodeFactory, additionalGroupValues));
+            }
+
+            // Add / create our auxiliary objects.
+            for (TableField field : auxiliaryFields) {
+                String v = buildTableFieldValue("D." + field.getSourceField().fieldName, field);
+                appendNestedFieldsToObjectNode(field, selectClauseNode, new TextNode(String.format("$%s$", v)));
+            }
+
+            // Finally, add our group field. This array should already be formed.
+            String q = String.format("$%s.%s$", groupAlias, groupField.getFullFieldName());
+            appendNestedFieldsToObjectNode(groupField, selectClauseNode, new TextNode(q));
+
+            // Serialize our object into a SELECT clause.
+            sb.append("SELECT VALUE ").append(buildJSONForQuery(selectClauseNode));
+        }
+
+        private String buildStartingSelectValue(ArrayElement element) {
+            StringBuilder sb = new StringBuilder();
+            if (element.projectList.isEmpty()) {
+                TableField workingField = element.unnestList.get(element.unnestList.size() - 1);
+                String fieldName = "G1_inner.D." + workingField.getSourceField().fieldName;
+                sb.append(buildTableFieldValue(fieldName, workingField));
+
+            } else {
+                ObjectNode selectValueNode = new ObjectNode(jsonNodeFactory);
+
+                // Append extra fields within the object item. These values will always be fixed.
+                for (int i = 0; i < ADDITIONAL_FIELDS.length; i++) {
+                    int additionalFieldValue = Integer.parseInt(VALUES_FOR_ADDITIONAL_FIELDS[i]);
+                    selectValueNode.set(ADDITIONAL_FIELDS[i], new IntNode(additionalFieldValue));
+                }
+
+                // Append the items within our object itself.
+                for (TableField workingField : element.projectList) {
+                    String fieldName = "G1_inner.D." + workingField.getSourceField().fieldName;
+                    String v = buildTableFieldValue(fieldName, workingField);
+                    appendNestedFieldsToObjectNode(workingField, selectValueNode,
+                            new TextNode(String.format("$%s$", v)));
+                }
+
+                // Serialize our value node.
+                sb.append(buildJSONForQuery(selectValueNode));
+            }
+
+            return sb.toString();
+        }
+
+        private void appendNestedFieldsToObjectNode(TableField field, ObjectNode objectNode, TextNode endpointValue) {
+            ObjectNode workingObject = objectNode;
+            for (int i = 0; i < field.getFieldName().size(); i++) {
+                String fieldPart = field.getFieldName().get(i);
+                if (i < field.getFieldName().size() - 1) {
+                    if (workingObject.get(fieldPart) == null) {
+                        ObjectNode objectInsideWorkingObject = new ObjectNode(jsonNodeFactory);
+                        workingObject.set(fieldPart, objectInsideWorkingObject);
+                        workingObject = objectInsideWorkingObject;
+
+                    } else {
+                        workingObject = (ObjectNode) workingObject.get(fieldPart);
+                    }
+
+                } else {
+                    workingObject.set(fieldPart, endpointValue);
+                }
+            }
+        }
+
+        private String buildTableFieldValue(String fieldName, TableField field) {
+            switch (field.getFieldType()) {
+                case BIGINT:
+                    return fieldName;
+                case DOUBLE:
+                    return String.format("(%s + 0.5)", fieldName.replace("double", "integer"));
+                case STRING:
+                    return String.format("CODEPOINT_TO_STRING([100 + %s])", fieldName);
+            }
+            throw new UnsupportedOperationException("Unsupported type for field: " + field.getFieldType().toString());
+        }
+
+        private String buildJSONForQuery(ObjectNode node) {
+            return node.toString().replace("\"$", "").replace("$\"", "").replace("\\\"", "\"");
+        }
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayElement.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayElement.java
new file mode 100644
index 0000000..6e41ead
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayElement.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ArrayElement {
+    final List<TableField> unnestList = new ArrayList<>();
+    final List<TableField> projectList = new ArrayList<>();
+    final int elementPosition;
+    final Kind kind;
+
+    public ArrayElement(Kind kind, int elementPosition) {
+        this.elementPosition = elementPosition;
+        this.kind = kind;
+    }
+
+    public
+
+    static class TableField {
+        private final List<String> fieldName;
+        private final BaseWisconsinTable.Field sourceField;
+
+        TableField(List<String> name, BaseWisconsinTable.Field field) {
+            fieldName = name;
+            sourceField = field;
+        }
+
+        List<String> getFieldName() {
+            return fieldName;
+        }
+
+        String getFullFieldName() {
+            return String.join(".", fieldName);
+        }
+
+        String getLastFieldName() {
+            return fieldName.get(fieldName.size() - 1);
+        }
+
+        BaseWisconsinTable.Field getSourceField() {
+            return sourceField;
+        }
+
+        public BaseWisconsinTable.Field.Type getFieldType() {
+            return (sourceField == null) ? null : sourceField.fieldType;
+        }
+
+        @Override
+        public String toString() {
+            return String.format("%s [%s]", getFullFieldName(), (sourceField == null) ? "NONE" : sourceField.fieldName);
+        }
+    }
+
+    enum Kind {
+        ATOMIC,
+        UNNEST_VALUE,
+        UNNEST_OBJECT
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayIndex.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayIndex.java
new file mode 100644
index 0000000..1d7d973
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayIndex.java
@@ -0,0 +1,197 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class ArrayIndex {
+    private final List<ArrayElement> elements;
+    private final List<List<String>> arrayPath;
+    private String ddlStatement;
+    private String indexName;
+    private String datasetName;
+
+    @Override
+    public String toString() {
+        return ddlStatement;
+    }
+
+    public List<ArrayElement> getElements() {
+        return elements;
+    }
+
+    public List<List<String>> getArrayPath() {
+        return arrayPath;
+    }
+
+    public String getIndexName() {
+        return indexName;
+    }
+
+    public String getDatasetName() {
+        return datasetName;
+    }
+
+    private ArrayIndex(List<ArrayElement> elements, List<List<String>> arrayPath) {
+        this.elements = Collections.unmodifiableList(elements);
+        this.arrayPath = Collections.unmodifiableList(arrayPath);
+    }
+
+    public static class Builder {
+        public static abstract class ValueSupplier {
+            public abstract BaseWisconsinTable.Field getAtomicBaseField();
+
+            public abstract BaseWisconsinTable.Field getArrayBaseField();
+
+            public abstract List<String> getFieldName(BaseWisconsinTable.Field baseField);
+
+            public abstract List<String> getGroupFieldName(int nestingLevel);
+        }
+
+        private int numberOfAtomicPrefixes;
+        private int numberOfFieldsInArray;
+        private int numberOfAtomicSuffixes;
+        private boolean isArrayOfScalars;
+        private int depthOfArray;
+
+        private final String indexName;
+        private final String datasetName;
+        private ValueSupplier valueSupplier;
+
+        public void setNumberOfAtomicPrefixes(int numberOfAtomicPrefixes) {
+            this.numberOfAtomicPrefixes = numberOfAtomicPrefixes;
+        }
+
+        public void setNumberOfFieldsInArray(int numberOfFieldsInArray) {
+            this.numberOfFieldsInArray = numberOfFieldsInArray;
+        }
+
+        public void setNumberOfAtomicSuffixes(int numberOfAtomicSuffixes) {
+            this.numberOfAtomicSuffixes = numberOfAtomicSuffixes;
+        }
+
+        public void setDepthOfArray(int depthOfArray) {
+            this.depthOfArray = depthOfArray;
+        }
+
+        public void setIsArrayOfScalars(boolean isArrayOfScalars) {
+            this.isArrayOfScalars = isArrayOfScalars;
+        }
+
+        public void setValueSupplier(ValueSupplier valueSupplier) {
+            this.valueSupplier = valueSupplier;
+        }
+
+        public Builder(String indexName, String datasetName) {
+            this.indexName = indexName;
+            this.datasetName = datasetName;
+        }
+
+        public ArrayIndex build() {
+            final List<ArrayElement> elements = new ArrayList<>();
+            final List<List<String>> arrayPath = new ArrayList<>();
+
+            for (int i = 0; i < numberOfAtomicPrefixes; i++) {
+                ArrayElement element = new ArrayElement(ArrayElement.Kind.ATOMIC, elements.size());
+                BaseWisconsinTable.Field field = valueSupplier.getAtomicBaseField();
+                List<String> fieldName = valueSupplier.getFieldName(field);
+                element.projectList.add(new ArrayElement.TableField(fieldName, field));
+                elements.add(element);
+            }
+
+            ArrayElement arrayElement = new ArrayElement(
+                    (isArrayOfScalars) ? ArrayElement.Kind.UNNEST_VALUE : ArrayElement.Kind.UNNEST_OBJECT,
+                    elements.size());
+            for (int i = 0; i < depthOfArray; i++) {
+                ArrayElement.TableField tableField;
+                if (isArrayOfScalars && i == depthOfArray - 1) {
+                    BaseWisconsinTable.Field field = valueSupplier.getArrayBaseField();
+                    List<String> fieldName = valueSupplier.getFieldName(field);
+                    tableField = new ArrayElement.TableField(fieldName, field);
+                } else {
+                    List<String> fieldName = valueSupplier.getGroupFieldName(i + 1);
+                    tableField = new ArrayElement.TableField(fieldName, null);
+                }
+                arrayElement.unnestList.add(tableField);
+                arrayPath.add(tableField.getFieldName());
+            }
+            if (!isArrayOfScalars) {
+                for (int i = 0; i < numberOfFieldsInArray; i++) {
+                    BaseWisconsinTable.Field field = valueSupplier.getArrayBaseField();
+                    List<String> fieldName = valueSupplier.getFieldName(field);
+                    arrayElement.projectList.add(new ArrayElement.TableField(fieldName, field));
+                }
+            }
+            elements.add(arrayElement);
+
+            for (int i = 0; i < numberOfAtomicSuffixes; i++) {
+                ArrayElement element = new ArrayElement(ArrayElement.Kind.ATOMIC, elements.size());
+                BaseWisconsinTable.Field field = valueSupplier.getAtomicBaseField();
+                List<String> fieldName = valueSupplier.getFieldName(field);
+                element.projectList.add(new ArrayElement.TableField(fieldName, field));
+                elements.add(element);
+            }
+
+            ArrayIndex index = new ArrayIndex(elements, arrayPath);
+            index.ddlStatement = buildIndexDDL(index.elements);
+            index.datasetName = datasetName;
+            index.indexName = indexName;
+            return index;
+        }
+
+        private String buildIndexDDL(List<ArrayElement> elements) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("CREATE INDEX ").append(indexName);
+            sb.append(" ON ").append(datasetName).append(" ( ");
+            for (int i = 0; i < elements.size(); i++) {
+                ArrayElement e = elements.get(i);
+                if (!e.unnestList.isEmpty()) {
+                    sb.append("( ");
+                }
+                for (ArrayElement.TableField unnestPart : e.unnestList) {
+                    sb.append("UNNEST ");
+                    sb.append(unnestPart.getFullFieldName());
+                    sb.append(" ");
+                }
+                if (e.projectList.isEmpty()) {
+                    sb.append(": ").append(e.unnestList.get(e.unnestList.size() - 1).getFieldType()).append(" )");
+                } else if (!e.unnestList.isEmpty()) {
+                    sb.append("SELECT ");
+                    List<ArrayElement.TableField> projectList = e.projectList;
+                    for (int j = 0; j < projectList.size(); j++) {
+                        sb.append(projectList.get(j).getFullFieldName());
+                        sb.append(": ").append(projectList.get(j).getFieldType());
+                        sb.append((j != projectList.size() - 1) ? ", " : " ");
+                    }
+                    sb.append(" )");
+                } else {
+                    sb.append(e.projectList.get(0).getFullFieldName());
+                    sb.append(": ").append(e.projectList.get(0).getFieldType());
+                }
+                if (i < elements.size() - 1) {
+                    sb.append(", ");
+                }
+            }
+            sb.append(" );\n");
+            return sb.toString();
+        }
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQuery.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQuery.java
new file mode 100644
index 0000000..325e061
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQuery.java
@@ -0,0 +1,494 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.commons.lang3.tuple.Pair;
+
+public class ArrayQuery {
+    private final List<FromExpr> fromExprs = new ArrayList<>();
+    private final List<UnnestStep> unnestSteps = new ArrayList<>();
+    private final List<JoinStep> joinSteps = new ArrayList<>();
+    private final List<SelectExpr> selectExprs = new ArrayList<>();
+    private final List<Conjunct> whereConjuncts = new ArrayList<>();
+    private String queryString;
+
+    @Override
+    public String toString() {
+        return queryString;
+    }
+
+    public List<FromExpr> getFromExprs() {
+        return fromExprs;
+    }
+
+    public List<UnnestStep> getUnnestSteps() {
+        return unnestSteps;
+    }
+
+    public List<JoinStep> getJoinSteps() {
+        return joinSteps;
+    }
+
+    public List<SelectExpr> getSelectExprs() {
+        return selectExprs;
+    }
+
+    public List<Conjunct> getWhereConjuncts() {
+        return whereConjuncts;
+    }
+
+    public static class FromExpr {
+        final String datasetName;
+        final String alias;
+
+        public FromExpr(String datasetName, String alias) {
+            this.datasetName = datasetName;
+            this.alias = alias;
+        }
+
+        @Override
+        public String toString() {
+            return String.format("%s AS %s", datasetName, alias);
+        }
+    }
+
+    public static class UnnestStep {
+        final String sourceAlias;
+        final String arrayField;
+        final String alias;
+
+        public UnnestStep(String sourceAlias, String arrayField, String alias) {
+            this.sourceAlias = sourceAlias;
+            this.arrayField = arrayField;
+            this.alias = alias;
+        }
+
+        public String getNamedExpr() {
+            return sourceAlias + "." + arrayField;
+        }
+
+        @Override
+        public String toString() {
+            return String.format("UNNEST %s AS %s", getNamedExpr(), alias);
+        }
+    }
+
+    public static class SelectExpr {
+        final String expr;
+        final String alias;
+
+        public SelectExpr(String expr, String alias) {
+            this.expr = expr;
+            this.alias = alias;
+        }
+
+        public String asKeyValueString() {
+            return String.format("\"%s\":%s", alias, expr);
+        }
+
+        @Override
+        public String toString() {
+            return String.format("%s AS %s", expr, alias);
+        }
+    }
+
+    public interface Conjunct {
+        // Note: this is just a marker interface.
+        String toString();
+    }
+
+    public static class SimpleConjunct implements Conjunct {
+        final String expressionOne;
+        final String expressionTwo;
+        final String expressionThree;
+        final String operator;
+        final String annotation;
+
+        public SimpleConjunct(String e1, String e2, String e3, String operator, String annotation) {
+            this.expressionOne = e1;
+            this.expressionTwo = e2;
+            this.expressionThree = e3;
+            this.operator = operator;
+            this.annotation = annotation;
+        }
+
+        public SimpleConjunct(String e1, String e2, String operator, String annotation) {
+            this.expressionOne = e1;
+            this.expressionTwo = e2;
+            this.expressionThree = null;
+            this.operator = operator;
+            this.annotation = annotation;
+        }
+
+        @Override
+        public String toString() {
+            String a = (annotation == null) ? "" : (" " + annotation);
+            if (operator.equals("BETWEEN")) {
+                return String.format("( %s%s BETWEEN %s AND %s )", expressionOne, a, expressionTwo, expressionThree);
+
+            } else {
+                return String.format("( %s%s %s %s )", expressionOne, a, operator, expressionTwo);
+            }
+        }
+    }
+
+    public static class QuantifiedConjunct implements Conjunct {
+        final List<String> arraysToQuantify;
+        final List<String> quantifiedVars;
+        final List<Conjunct> conjuncts;
+        final String quantificationType;
+
+        public QuantifiedConjunct(List<String> arraysToQuantify, List<String> quantifiedVars, List<Conjunct> conjuncts,
+                String quantificationType) {
+            this.arraysToQuantify = arraysToQuantify;
+            this.quantifiedVars = quantifiedVars;
+            this.conjuncts = conjuncts;
+            this.quantificationType = quantificationType;
+        }
+
+        @Override
+        public String toString() {
+            StringBuilder sb = new StringBuilder();
+            for (int i = 0; i < arraysToQuantify.size(); i++) {
+                if (i != 0) {
+                    sb.append(", ");
+                }
+                sb.append(quantifiedVars.get(i)).append(" IN ").append(arraysToQuantify.get(i));
+            }
+            String quantifiedBuildExpr = sb.toString();
+
+            return String.format("( %s %s SATISFIES %s )", quantificationType, quantifiedBuildExpr,
+                    conjuncts.stream().map(Conjunct::toString).collect(Collectors.joining(" AND ")));
+        }
+    }
+
+    public static class ExistsConjunct implements Conjunct {
+        final FromExpr fromExpr;
+        final List<UnnestStep> unnestSteps;
+        final List<SimpleConjunct> conjuncts;
+
+        public ExistsConjunct(FromExpr fromExpr, List<UnnestStep> unnestSteps, List<SimpleConjunct> conjuncts) {
+            this.fromExpr = fromExpr;
+            this.unnestSteps = unnestSteps;
+            this.conjuncts = conjuncts;
+        }
+
+        @Override
+        public String toString() {
+            String unnestClause = unnestSteps.isEmpty() ? ""
+                    : unnestSteps.stream().map(UnnestStep::toString).collect(Collectors.joining(" ")) + " ";
+            return String.format("EXISTS ( FROM %s %sWHERE %s SELECT 1 )", fromExpr.toString(), unnestClause,
+                    conjuncts.stream().map(Conjunct::toString).collect(Collectors.joining(" AND ")));
+        }
+    }
+
+    public static class JoinStep {
+        final FromExpr subqueryFromExpr;
+        final List<UnnestStep> subqueryUnnestSteps;
+        final List<SelectExpr> subquerySelectExprs;
+        final List<SimpleConjunct> onExprConjuncts;
+        final String joinType;
+        final String joinAlias;
+
+        public JoinStep(List<UnnestStep> subqueryUnnestSteps, List<SelectExpr> subquerySelectExprs,
+                FromExpr subqueryFromExpr, List<SimpleConjunct> onExprConjuncts, String joinType, String joinAlias) {
+            this.subqueryUnnestSteps = subqueryUnnestSteps;
+            this.subquerySelectExprs = subquerySelectExprs;
+            this.subqueryFromExpr = subqueryFromExpr;
+            this.onExprConjuncts = onExprConjuncts;
+            this.joinType = joinType;
+            this.joinAlias = joinAlias;
+        }
+
+        public String getJoinExpr() {
+            String keyValuePairs = subquerySelectExprs.stream().map(SelectExpr::asKeyValueString)
+                    .collect(Collectors.joining(",\n\t\t"));
+            return String.format("(\n\tFROM %s\n\t%s\n\tSELECT VALUE { \n\t\t%s\n\t} )", subqueryFromExpr,
+                    subqueryUnnestSteps.stream().map(UnnestStep::toString).collect(Collectors.joining("\n\t")),
+                    keyValuePairs);
+        }
+
+        @Override
+        public String toString() {
+            String onExpr = onExprConjuncts.stream().map(SimpleConjunct::toString).collect(Collectors.joining(" AND "));
+            return String.format("%s JOIN %s AS %s\nON %s", joinType, getJoinExpr(), joinAlias, onExpr);
+        }
+    }
+
+    @SuppressWarnings("rawtypes")
+    public static class Builder {
+        public static abstract class ValueSupplier {
+            public abstract List<UnnestStep> getExtraUnnestSteps(String alias);
+
+            public abstract String getJoinType();
+
+            public abstract boolean getIsConditionOnUnnest();
+
+            public abstract boolean getIsConstantConditionWithJoins();
+
+            public abstract boolean getIsCrossProductOnProbes();
+
+            public abstract String getOperatorForJoin();
+
+            public abstract String getOperatorForConstant();
+
+            public abstract Pair<String, String> getRangeFromDomain(BaseWisconsinTable.Domain domain);
+
+            public abstract boolean getIsBetweenConjunct();
+
+            public abstract String getQuantifier();
+
+            public abstract List<Conjunct> getExtraConjuncts(String alias);
+
+            public abstract List<Conjunct> getExtraQuantifiersAndConjuncts(List<String> arraysToQuantify,
+                    List<String> quantifiedVars, String alias);
+
+            public abstract boolean getIsUseNestedQuantification();
+        }
+
+        private int limitCount;
+        private int unnestStepDepth;
+        private int numberOfJoins;
+        private int numberOfExplicitJoins;
+
+        private final ArrayIndex arrayIndex;
+        private final ArrayQuery arrayQuery;
+        private String workingUnnestAlias;
+        private ValueSupplier valueSupplier;
+
+        public Builder(ArrayIndex arrayIndex) {
+            this.arrayQuery = new ArrayQuery();
+            this.arrayIndex = arrayIndex;
+        }
+
+        public void setUnnestStepDepth(int unnestStepDepth) {
+            this.unnestStepDepth = unnestStepDepth;
+        }
+
+        public void setNumberOfJoins(int numberOfJoins) {
+            this.numberOfJoins = numberOfJoins;
+        }
+
+        public void setNumberOfExplicitJoins(int numberOfExplicitJoins) {
+            this.numberOfExplicitJoins = numberOfExplicitJoins;
+        }
+
+        @SuppressWarnings("SameParameterValue")
+        public void setLimitCount(int limitCount) {
+            this.limitCount = limitCount;
+        }
+
+        public void setValueSupplier(ValueSupplier valueSupplier) {
+            this.valueSupplier = valueSupplier;
+        }
+
+        public ArrayQuery build() {
+            StringBuilder sb = new StringBuilder();
+
+            // Start with our FROM clause. These will include all datasets to join with.
+            buildStartingFromClause(sb);
+
+            // Add the UNNEST steps expressions. These will always follow after the FROM expressions.
+            buildUnnestSteps(sb);
+
+            // Add the JOIN steps expressions. These will always follow after the UNNEST step expressions.
+            buildJoinSteps(sb);
+
+            // Add the WHERE clauses next. This will include implicit JOINs and quantified expressions.
+            buildWhereClause(sb);
+
+            // Add the SELECT clause. This consists of the primary keys from all involved datasets.
+            buildSelectClause(sb);
+
+            // We will ORDER BY all fields in our SELECT clause, and LIMIT accordingly.
+            buildQuerySuffix(sb);
+
+            arrayQuery.queryString = sb.toString();
+            return arrayQuery;
+        }
+
+        private void buildStartingFromClause(StringBuilder sb) {
+            for (int i = 0; i < numberOfJoins; i++) {
+                FromExpr fromExpr = new FromExpr("ProbeDataset" + (i + 1), "D" + (i + 2));
+                arrayQuery.fromExprs.add(fromExpr);
+            }
+            if (numberOfJoins == 0 || numberOfJoins != numberOfExplicitJoins) {
+                arrayQuery.fromExprs.add(new FromExpr(arrayIndex.getDatasetName(), "D1"));
+            }
+
+            sb.append("FROM ");
+            sb.append(arrayQuery.fromExprs.stream().map(FromExpr::toString).collect(Collectors.joining(",\n\t")));
+            sb.append('\n');
+        }
+
+        private void buildUnnestSteps(StringBuilder sb) {
+            if (unnestStepDepth == 0) {
+                workingUnnestAlias = "D1";
+
+            } else {
+                arrayQuery.unnestSteps.addAll(ArrayQueryUtil.createUnnestSteps(valueSupplier, "D1",
+                        arrayIndex.getArrayPath(), unnestStepDepth, "P", "G", "G"));
+                workingUnnestAlias = arrayQuery.unnestSteps.get(arrayQuery.unnestSteps.size() - 1).alias;
+                String unnestSteps =
+                        arrayQuery.unnestSteps.stream().map(UnnestStep::toString).collect(Collectors.joining("\n"));
+                sb.append(unnestSteps).append('\n');
+            }
+        }
+
+        private void buildJoinSteps(StringBuilder sb) {
+            if (numberOfExplicitJoins == 0) {
+                return;
+            }
+
+            // Build the expression to JOIN with. This will be a subquery that UNNESTs the array part that has
+            // not yet been UNNESTed.
+            List<UnnestStep> subqueryUnnestSteps = new ArrayList<>();
+            String prevSubqueryUnnestAlias = "D1";
+            for (int i = unnestStepDepth; i < arrayIndex.getArrayPath().size(); i++) {
+                String arrayField = String.join(".", arrayIndex.getArrayPath().get(i));
+                subqueryUnnestSteps.add(new UnnestStep(prevSubqueryUnnestAlias, arrayField, "G" + (i + 1)));
+                prevSubqueryUnnestAlias = "G" + (i + 1);
+            }
+            List<SelectExpr> subquerySelectExprs = new ArrayList<>();
+            String finalSubqueryUnnestAlias = prevSubqueryUnnestAlias;
+            ArrayQueryUtil.createFieldStream(arrayIndex.getElements()).forEach(e -> {
+                ArrayElement.TableField tableField = e.getRight();
+                String exprInSelect;
+                switch (e.getLeft()) {
+                    case ATOMIC:
+                        exprInSelect = "D1." + tableField.getFullFieldName();
+                        subquerySelectExprs.add(new SelectExpr(exprInSelect, tableField.getLastFieldName()));
+                        break;
+                    case UNNEST_VALUE:
+                        exprInSelect = finalSubqueryUnnestAlias;
+                        subquerySelectExprs.add(new SelectExpr(exprInSelect, finalSubqueryUnnestAlias));
+                        break;
+                    case UNNEST_OBJECT:
+                        exprInSelect = finalSubqueryUnnestAlias + "." + tableField.getFullFieldName();
+                        subquerySelectExprs.add(new SelectExpr(exprInSelect, tableField.getLastFieldName()));
+                        break;
+                }
+            });
+
+            // Now build each JOIN step.
+            for (int i = 0; i < numberOfExplicitJoins; i++) {
+                List<SimpleConjunct> onConjuncts = ArrayQueryUtil.createOnConjuncts(valueSupplier,
+                        arrayIndex.getElements(), finalSubqueryUnnestAlias, i);
+                FromExpr indexedDataset = new FromExpr(arrayIndex.getDatasetName(), "D1");
+                arrayQuery.joinSteps.add(new JoinStep(subqueryUnnestSteps, subquerySelectExprs, indexedDataset,
+                        onConjuncts, valueSupplier.getJoinType(), "J" + (i + 1)));
+            }
+            sb.append(arrayQuery.joinSteps.stream().map(JoinStep::toString).collect(Collectors.joining("\n")));
+            sb.append('\n');
+        }
+
+        private void buildWhereClause(StringBuilder sb) {
+            boolean isConditionOnUnnestPossible = unnestStepDepth == arrayIndex.getArrayPath().size();
+
+            // JOIN the remaining tables.
+            for (int i = arrayQuery.joinSteps.size(); i < numberOfJoins; i++) {
+                int joinPosition = i;
+                if (isConditionOnUnnestPossible && valueSupplier.getIsConditionOnUnnest()) {
+                    // Having UNNESTed the indexed array(s), join with said array.
+                    arrayQuery.whereConjuncts
+                            .addAll(ArrayQueryUtil.createFieldStream(arrayIndex.getElements())
+                                    .map(e -> ArrayQueryUtil.createConjunctForUnnestJoins(valueSupplier,
+                                            workingUnnestAlias, e.getRight(), e.getLeft(), joinPosition))
+                                    .collect(Collectors.toList()));
+
+                } else {
+                    // We are going to perform a quantified join. Join the atomic fields outside the quantification.
+                    arrayQuery.whereConjuncts
+                            .addAll(ArrayQueryUtil.createFieldStream(arrayIndex.getElements())
+                                    .filter(e -> e.getLeft() == ArrayElement.Kind.ATOMIC)
+                                    .map(e -> ArrayQueryUtil.createConjunctForUnnestJoins(valueSupplier,
+                                            workingUnnestAlias, e.getRight(), e.getLeft(), joinPosition))
+                                    .collect(Collectors.toList()));
+
+                    // Create the quantified expression conjunct.
+                    arrayQuery.whereConjuncts.add(ArrayQueryUtil.createConjunctForQuantifiedJoins(valueSupplier,
+                            arrayIndex.getElements(), arrayIndex.getArrayPath(), "D1", joinPosition));
+                }
+            }
+
+            // If there are no JOINs, then we must condition on all constants in the index.
+            if (numberOfJoins == 0 || valueSupplier.getIsConstantConditionWithJoins()) {
+                // Condition on the atomic fields. Similar to joins, do not include these in the quantification.
+                arrayQuery.whereConjuncts.addAll(ArrayQueryUtil.createFieldStream(arrayIndex.getElements())
+                        .filter(e -> e.getLeft() == ArrayElement.Kind.ATOMIC)
+                        .map(e -> ArrayQueryUtil.createConjunctForUnnestNonJoins(valueSupplier,
+                                "D1." + e.getRight().getFullFieldName(), e.getRight(), e.getLeft()))
+                        .collect(Collectors.toList()));
+
+                if (isConditionOnUnnestPossible && valueSupplier.getIsConditionOnUnnest()) {
+                    // Having UNNESTed the indexed array(s), condition on the items in said array.
+                    arrayQuery.whereConjuncts
+                            .addAll(ArrayQueryUtil.createFieldStream(arrayIndex.getElements())
+                                    .filter(e -> e.getLeft() != ArrayElement.Kind.ATOMIC)
+                                    .map(e -> ArrayQueryUtil.createConjunctForUnnestNonJoins(valueSupplier,
+                                            workingUnnestAlias, e.getRight(), e.getLeft()))
+                                    .collect(Collectors.toList()));
+
+                } else {
+                    // Create the quantification expression conjunct.
+                    arrayQuery.whereConjuncts.add(ArrayQueryUtil.createConjunctForQuantifiedNonJoins(valueSupplier,
+                            arrayIndex.getElements(), arrayIndex.getArrayPath(), "D1"));
+                }
+            }
+
+            // If there is more than one probe, we must join each probe.
+            for (int i = 1; i < numberOfJoins; i++) {
+                String primaryKeyOne = "D" + (i + 1) + "._id";
+                String primaryKeyTwo = "D" + (i + 2) + "._id";
+                if (!valueSupplier.getIsCrossProductOnProbes()) {
+                    arrayQuery.whereConjuncts.add(new SimpleConjunct(primaryKeyOne, primaryKeyTwo, "=", null));
+                }
+            }
+
+            if (!arrayQuery.whereConjuncts.isEmpty()) {
+                String d = " AND\n\t";
+                sb.append("WHERE ");
+                sb.append(arrayQuery.whereConjuncts.stream().map(Conjunct::toString).collect(Collectors.joining(d)));
+                sb.append('\n');
+            }
+        }
+
+        private void buildSelectClause(StringBuilder sb) {
+            sb.append("SELECT ");
+            if (numberOfJoins == 0 || numberOfJoins != numberOfExplicitJoins) {
+                arrayQuery.selectExprs.add(new SelectExpr("D1._id", "PK1"));
+            }
+            for (int i = 0; i < numberOfJoins; i++) {
+                arrayQuery.selectExprs.add(new SelectExpr("D" + (i + 2) + "._id", "PK" + (i + 2)));
+            }
+            sb.append(arrayQuery.selectExprs.stream().map(SelectExpr::toString).collect(Collectors.joining(", ")));
+            sb.append('\n');
+        }
+
+        private void buildQuerySuffix(StringBuilder sb) {
+            sb.append("ORDER BY ");
+            sb.append(arrayQuery.selectExprs.stream().map(e -> e.expr).collect(Collectors.joining(", "))).append('\n');
+            sb.append("LIMIT ").append(limitCount).append(";\n");
+        }
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQueryUtil.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQueryUtil.java
new file mode 100644
index 0000000..3f2807f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ArrayQueryUtil.java
@@ -0,0 +1,366 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import org.apache.asterix.test.array.ArrayElement.Kind;
+import org.apache.asterix.test.array.ArrayElement.TableField;
+import org.apache.asterix.test.array.ArrayQuery.Builder.ValueSupplier;
+import org.apache.asterix.test.array.ArrayQuery.Conjunct;
+import org.apache.asterix.test.array.ArrayQuery.ExistsConjunct;
+import org.apache.asterix.test.array.ArrayQuery.FromExpr;
+import org.apache.asterix.test.array.ArrayQuery.QuantifiedConjunct;
+import org.apache.asterix.test.array.ArrayQuery.SimpleConjunct;
+import org.apache.asterix.test.array.ArrayQuery.UnnestStep;
+import org.apache.commons.lang3.tuple.Pair;
+
+class ArrayQueryUtil {
+    public static Stream<Pair<Kind, TableField>> createFieldStream(List<ArrayElement> elements) {
+        return elements.stream().map(e -> {
+            switch (e.kind) {
+                case ATOMIC:
+                    TableField atomicField = e.projectList.get(0);
+                    return Collections.singletonList(Pair.of(e.kind, atomicField));
+
+                case UNNEST_VALUE:
+                    TableField lastUnnestField = e.unnestList.get(e.unnestList.size() - 1);
+                    return Collections.singletonList(Pair.of(e.kind, lastUnnestField));
+
+                default: // UNNEST_OBJECT
+                    return e.projectList.stream().map(p -> Pair.of(e.kind, p)).collect(Collectors.toUnmodifiableList());
+            }
+        }).flatMap(Collection::stream);
+    }
+
+    public static List<UnnestStep> createUnnestSteps(ValueSupplier valueSupplier, String startingAlias,
+            List<List<String>> arrayPath, int depthToUnnest, String prefixA, String prefixB, String prefixC) {
+        List<UnnestStep> unnestSteps = new ArrayList<>();
+        String workingAlias = startingAlias;
+        for (int i = 0; i < depthToUnnest; i++) {
+            List<UnnestStep> extraUnnestSteps = valueSupplier.getExtraUnnestSteps(workingAlias);
+            for (int j = 0; j < extraUnnestSteps.size(); j++) {
+                String aliasForExtraUnnest = prefixA.repeat(i + 1) + (j + 1);
+                UnnestStep extraUnnestStep = extraUnnestSteps.get(j);
+                UnnestStep extraUnnestStepWithAlias =
+                        new UnnestStep(extraUnnestStep.sourceAlias, extraUnnestStep.arrayField, aliasForExtraUnnest);
+                unnestSteps.add(extraUnnestStepWithAlias);
+            }
+
+            String arrayField = String.join(".", arrayPath.get(i));
+            UnnestStep unnestStep = new UnnestStep(workingAlias, arrayField, prefixB + (i + 1));
+            unnestSteps.add(unnestStep);
+            workingAlias = prefixC + (i + 1);
+        }
+        return unnestSteps;
+    }
+
+    public static List<SimpleConjunct> createOnConjuncts(ValueSupplier valueSupplier,
+            List<ArrayElement> arrayIndexElements, String finalSubqueryUnnestAlias, int joinPosition) {
+        return ArrayQueryUtil.createFieldStream(arrayIndexElements).map(e -> {
+            TableField tableField = e.getRight();
+            String leftExpr = null;
+            switch (e.getLeft()) {
+                case ATOMIC:
+                case UNNEST_OBJECT:
+                    leftExpr = "J" + (joinPosition + 1) + "." + tableField.getLastFieldName();
+                    break;
+                case UNNEST_VALUE:
+                    leftExpr = "J" + (joinPosition + 1) + "." + finalSubqueryUnnestAlias;
+                    break;
+            }
+            String rightExpr = createProbeExpr(joinPosition, tableField);
+            String operator = valueSupplier.getOperatorForJoin();
+            return new SimpleConjunct(leftExpr, rightExpr, operator, "/* +indexnl */");
+        }).collect(Collectors.toList());
+    }
+
+    public static SimpleConjunct createConjunctForUnnestJoins(ValueSupplier valueSupplier, String unnestAlias,
+            ArrayElement.TableField tableField, ArrayElement.Kind fieldKind, int joinPosition) {
+        String leftExpr = null;
+        switch (fieldKind) {
+            case ATOMIC:
+                leftExpr = "D1." + tableField.getFullFieldName();
+                break;
+            case UNNEST_VALUE:
+                leftExpr = unnestAlias;
+                break;
+            case UNNEST_OBJECT:
+                leftExpr = unnestAlias + "." + tableField.getFullFieldName();
+                break;
+        }
+        String rightExpr = createProbeExpr(joinPosition, tableField);
+        return new SimpleConjunct(leftExpr, rightExpr, valueSupplier.getOperatorForJoin(), "/* +indexnl */");
+    }
+
+    public static QuantifiedConjunct createConjunctForQuantifiedJoins(ValueSupplier valueSupplier,
+            List<ArrayElement> arrayIndexElements, List<List<String>> workingArray, String prefix, int joinPosition) {
+        List<String> arraysToQuantify = new ArrayList<>();
+        List<String> quantifiedVars = new ArrayList<>();
+        List<Conjunct> conjuncts = new ArrayList<>();
+        int remainingDepthOfArray = workingArray.size();
+
+        if (remainingDepthOfArray > 1) {
+            String containingArray = String.join(".", workingArray.get(0));
+            arraysToQuantify.add(String.format("%s.%s", prefix, containingArray));
+            String itemVar = "V" + remainingDepthOfArray;
+            quantifiedVars.add(itemVar);
+
+            if (valueSupplier.getIsUseNestedQuantification()) {
+                // Recurse and create a nested quantification expression to quantify over the rest of our arrays.
+                conjuncts.add(createConjunctForQuantifiedJoins(valueSupplier, arrayIndexElements,
+                        workingArray.subList(1, workingArray.size()), itemVar, joinPosition));
+
+            } else {
+                // We are now using an EXISTS clause to quantify over the rest of our arrays.
+                List<List<String>> remainingArray = workingArray.subList(1, workingArray.size());
+                conjuncts.add(createConjunctForExistsJoins(valueSupplier, arrayIndexElements, remainingArray, itemVar,
+                        joinPosition));
+            }
+
+        } else {
+            conjuncts.addAll(createFieldStream(arrayIndexElements).filter(e -> e.getLeft() != Kind.ATOMIC)
+                    .peek(e -> appendQuantifiedVars(workingArray, prefix, arraysToQuantify, quantifiedVars, e))
+                    .map(e -> {
+                        TableField tableField = e.getRight();
+                        String operator = valueSupplier.getOperatorForJoin();
+                        String leftExpr = null;
+                        switch (e.getLeft()) {
+                            case ATOMIC:
+                                throw new IllegalStateException("Unexpected atomic element!");
+                            case UNNEST_VALUE:
+                                leftExpr = "V1";
+                                break;
+                            case UNNEST_OBJECT:
+                                leftExpr = "V1." + tableField.getFullFieldName();
+                                break;
+                        }
+                        String rightExpr = createProbeExpr(joinPosition, tableField);
+                        return new SimpleConjunct(leftExpr, rightExpr, operator, "/* +indexnl */");
+                    }).collect(Collectors.toList()));
+        }
+
+        return new QuantifiedConjunct(arraysToQuantify, quantifiedVars, conjuncts, valueSupplier.getQuantifier());
+    }
+
+    public static SimpleConjunct createConjunctForUnnestNonJoins(ValueSupplier valueSupplier, String unnestAlias,
+            ArrayElement.TableField tableField, ArrayElement.Kind fieldKind) {
+        String variableExpr = null;
+        switch (fieldKind) {
+            case ATOMIC:
+                variableExpr = "D1." + tableField.getFullFieldName();
+                break;
+            case UNNEST_VALUE:
+                variableExpr = unnestAlias;
+                break;
+            case UNNEST_OBJECT:
+                variableExpr = unnestAlias + "." + tableField.getFullFieldName();
+                break;
+        }
+
+        return createSimpleConjunctForNonJoins(valueSupplier, tableField, variableExpr);
+    }
+
+    public static QuantifiedConjunct createConjunctForQuantifiedNonJoins(ValueSupplier valueSupplier,
+            List<ArrayElement> indexElements, List<List<String>> workingArray, String prefix) {
+        List<String> arraysToQuantify = new ArrayList<>();
+        List<String> quantifiedVars = new ArrayList<>();
+        List<Conjunct> conjuncts = new ArrayList<>();
+        int remainingDepthOfArray = workingArray.size();
+
+        if (remainingDepthOfArray > 1) {
+            String containingArray = String.join(".", workingArray.get(0));
+            arraysToQuantify.add(String.format("%s.%s", prefix, containingArray));
+            String itemVar = "V" + remainingDepthOfArray;
+            quantifiedVars.add(itemVar);
+
+            if (valueSupplier.getIsUseNestedQuantification()) {
+                // Recurse and create a nested quantification expression to quantify over the rest of our arrays.
+                conjuncts.add(createConjunctForQuantifiedNonJoins(valueSupplier, indexElements,
+                        workingArray.subList(1, workingArray.size()), itemVar));
+
+            } else {
+                // We are now using an EXISTS clause to quantify over the rest of our arrays.
+                List<List<String>> remainingArray = workingArray.subList(1, workingArray.size());
+                conjuncts.add(createConjunctForExistsNonJoins(valueSupplier, indexElements, remainingArray, itemVar));
+            }
+
+        } else {
+            conjuncts.addAll(createFieldStream(indexElements).filter(e -> e.getLeft() != Kind.ATOMIC)
+                    .peek(e -> appendQuantifiedVars(workingArray, prefix, arraysToQuantify, quantifiedVars, e))
+                    .map(e -> {
+                        ArrayElement.TableField tableField = e.getRight();
+                        String variableExpr = null;
+                        switch (e.getLeft()) {
+                            case ATOMIC:
+                                throw new IllegalStateException("Unexpected atomic element!");
+                            case UNNEST_VALUE:
+                                variableExpr = "V1";
+                                break;
+                            case UNNEST_OBJECT:
+                                variableExpr = "V1." + tableField.getFullFieldName();
+                                break;
+                        }
+                        return createSimpleConjunctForNonJoins(valueSupplier, tableField, variableExpr);
+                    }).collect(Collectors.toList()));
+        }
+
+        // Append any extra conjuncts from the indexed object.
+        if (ArrayQueryUtil.createFieldStream(indexElements).anyMatch(e -> e.getLeft() == Kind.UNNEST_OBJECT)) {
+            conjuncts.addAll(valueSupplier.getExtraConjuncts("V" + remainingDepthOfArray));
+        }
+
+        // Add any extra quantifiers.
+        conjuncts.addAll(valueSupplier.getExtraQuantifiersAndConjuncts(arraysToQuantify, quantifiedVars, prefix));
+
+        return new QuantifiedConjunct(arraysToQuantify, quantifiedVars, conjuncts, valueSupplier.getQuantifier());
+    }
+
+    private static void appendQuantifiedVars(List<List<String>> workingArray, String prefix,
+            List<String> arraysToQuantify, List<String> quantifiedVars, Pair<Kind, TableField> e) {
+        TableField tableField = e.getRight();
+        switch (e.getLeft()) {
+            case ATOMIC:
+                throw new IllegalStateException("Unexpected atomic element!");
+            case UNNEST_VALUE:
+                arraysToQuantify.add(String.format("%s.%s", prefix, tableField.getFullFieldName()));
+                quantifiedVars.add("V1");
+                break;
+            case UNNEST_OBJECT:
+                if (!quantifiedVars.contains("V1")) {
+                    String containingArray = String.join(".", workingArray.get(0));
+                    arraysToQuantify.add(String.format("%s.%s", prefix, containingArray));
+                    quantifiedVars.add("V1");
+                }
+                break;
+        }
+    }
+
+    private static ExistsConjunct createConjunctForExistsJoins(ValueSupplier valueSupplier,
+            List<ArrayElement> arrayIndexElements, List<List<String>> arrayPath, String itemVar, int joinPosition) {
+        // Build our FROM and UNNEST clauses.
+        List<UnnestStep> unnestSteps = new ArrayList<>();
+        if (arrayPath.size() > 1) {
+            String prefixA = Character.toString('T' + joinPosition);
+            String prefixB = Character.toString('O' + joinPosition);
+            unnestSteps.addAll(ArrayQueryUtil.createUnnestSteps(valueSupplier, "GG1",
+                    arrayPath.subList(1, arrayPath.size()), arrayPath.size() - 1, prefixA, prefixB, prefixB));
+        }
+        FromExpr fromExpr = new FromExpr(String.format("%s.%s", itemVar, String.join(".", arrayPath.get(0))), "GG1");
+
+        // Create the conjuncts for the JOIN.
+        String variableExpr = (unnestSteps.isEmpty()) ? "GG1" : unnestSteps.get(unnestSteps.size() - 1).alias;
+        List<SimpleConjunct> conjuncts =
+                createFieldStream(arrayIndexElements).filter(e -> e.getLeft() != Kind.ATOMIC).map(e -> {
+                    TableField tableField = e.getRight();
+                    String fieldName = tableField.getFullFieldName();
+                    String operator = valueSupplier.getOperatorForJoin();
+                    String leftExpr = null;
+                    switch (e.getLeft()) {
+                        case ATOMIC:
+                            throw new IllegalStateException("Unexpected atomic element!");
+                        case UNNEST_VALUE:
+                            leftExpr = variableExpr;
+                            break;
+                        case UNNEST_OBJECT:
+                            leftExpr = variableExpr + "." + fieldName;
+                            break;
+                    }
+                    String rightExpr = createProbeExpr(joinPosition, tableField);
+                    return new SimpleConjunct(leftExpr, rightExpr, operator, "/* +indexnl */");
+                }).collect(Collectors.toList());
+
+        return new ExistsConjunct(fromExpr, unnestSteps, conjuncts);
+    }
+
+    private static String createProbeExpr(int joinPosition, TableField tableField) {
+        String rightExpr = "D" + (joinPosition + 2) + "." + tableField.getSourceField().fieldName;
+        switch (tableField.getFieldType()) {
+            case BIGINT:
+                rightExpr = String.format("TO_BIGINT(%s)", rightExpr);
+                break;
+            case DOUBLE:
+                rightExpr = String.format("(TO_DOUBLE(%s) + 0.5)", rightExpr.replace("double", "integer"));
+                break;
+            case STRING:
+                rightExpr = String.format("CODEPOINT_TO_STRING([100 + %s])", rightExpr);
+                break;
+        }
+        return rightExpr;
+    }
+
+    private static SimpleConjunct createSimpleConjunctForNonJoins(ValueSupplier valueSupplier, TableField tableField,
+            String variableExpr) {
+        Pair<String, String> bounds = valueSupplier.getRangeFromDomain(tableField.getSourceField().domain);
+        if (valueSupplier.getIsBetweenConjunct()) {
+            return new SimpleConjunct(variableExpr, bounds.getLeft(), bounds.getRight(), "BETWEEN", null);
+
+        } else {
+            switch (valueSupplier.getOperatorForConstant()) {
+                case "=":
+                    return new SimpleConjunct(variableExpr, bounds.getLeft(), "=", null);
+                case "<":
+                    return new SimpleConjunct(variableExpr, bounds.getRight(), "<", null);
+                case ">":
+                    return new SimpleConjunct(variableExpr, bounds.getLeft(), ">", null);
+                case "<=":
+                    return new SimpleConjunct(variableExpr, bounds.getRight(), "<=", null);
+                default: // ">="
+                    return new SimpleConjunct(variableExpr, bounds.getLeft(), ">=", null);
+            }
+        }
+    }
+
+    private static ExistsConjunct createConjunctForExistsNonJoins(ValueSupplier valueSupplier,
+            List<ArrayElement> arrayIndexElements, List<List<String>> arrayPath, String itemVar) {
+        // Build our FROM and UNNEST clauses.
+        List<UnnestStep> unnestSteps = new ArrayList<>();
+        if (arrayPath.size() > 1) {
+            unnestSteps.addAll(ArrayQueryUtil.createUnnestSteps(valueSupplier, "GG1",
+                    arrayPath.subList(1, arrayPath.size()), arrayPath.size() - 1, "S", "N", "N"));
+        }
+        FromExpr fromExpr = new FromExpr(String.format("%s.%s", itemVar, String.join(".", arrayPath.get(0))), "GG1");
+
+        // Create the conjuncts for the JOIN.
+        String variableExpr = (unnestSteps.isEmpty()) ? "GG1" : unnestSteps.get(unnestSteps.size() - 1).alias;
+        List<SimpleConjunct> conjuncts =
+                createFieldStream(arrayIndexElements).filter(e -> e.getLeft() != Kind.ATOMIC).map(e -> {
+                    TableField tableField = e.getRight();
+                    String variableExprForConjunct = null;
+                    switch (e.getLeft()) {
+                        case ATOMIC:
+                            throw new IllegalStateException("Unexpected atomic element!");
+                        case UNNEST_VALUE:
+                            variableExprForConjunct = variableExpr;
+                            break;
+                        case UNNEST_OBJECT:
+                            variableExprForConjunct = variableExpr + "." + tableField.getFullFieldName();
+                            break;
+                    }
+                    return createSimpleConjunctForNonJoins(valueSupplier, tableField, variableExprForConjunct);
+                }).collect(Collectors.toList());
+
+        return new ExistsConjunct(fromExpr, unnestSteps, conjuncts);
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/BaseWisconsinTable.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/BaseWisconsinTable.java
new file mode 100644
index 0000000..97c00bf
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/BaseWisconsinTable.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class BaseWisconsinTable {
+    public static final String TABLE_NAME = "BaseWisconsinTable";
+    public static final Path TABLE_FILE = Paths.get("data", "array-index.adm");
+
+    static final Field[] GROUPING_FIELDS =
+            new Field[] { Field.GROUPING_1000, Field.GROUPING_500, Field.GROUPING_250, Field.GROUPING_100 };
+    public static final int NUMBER_OF_GROUPING_FIELDS = GROUPING_FIELDS.length;
+    public static final int NUMBER_OF_NON_GROUPING_FIELDS = Field.values().length - NUMBER_OF_GROUPING_FIELDS;
+
+    @SuppressWarnings("rawtypes")
+    enum Field {
+        GROUPING_1000("grouping_1000", Type.BIGINT, new Domain<>(0, 999)),
+        GROUPING_500("grouping_500", Type.BIGINT, new Domain<>(0, 499)),
+        GROUPING_250("grouping_250", Type.BIGINT, new Domain<>(0, 249)),
+        GROUPING_100("grouping_100", Type.BIGINT, new Domain<>(0, 99)),
+
+        INTEGER_RAND_2000("integer_rand_2000", Type.BIGINT, new Domain<>(0, 1999)),
+        INTEGER_SEQ_2000("integer_seq_2000", Type.BIGINT, new Domain<>(0, 1999)),
+        INTEGER_SEQ_2("integer_rand_2", Type.BIGINT, new Domain<>(0, 1)),
+        INTEGER_SEQ_4("integer_rand_4", Type.BIGINT, new Domain<>(0, 3)),
+        INTEGER_SEQ_10("integer_rand_10", Type.BIGINT, new Domain<>(0, 9)),
+        INTEGER_SEQ_20("integer_rand_20", Type.BIGINT, new Domain<>(0, 19)),
+
+        DOUBLE_RAND_2000("double_rand_2000", Type.DOUBLE, new Domain<>(0.5, 1999.5)),
+        DOUBLE_SEQ_2000("double_seq_2000", Type.DOUBLE, new Domain<>(0.5, 1999.5)),
+        DOUBLE_SEQ_2("double_rand_2", Type.DOUBLE, new Domain<>(0.5, 1.5)),
+        DOUBLE_SEQ_4("double_rand_4", Type.DOUBLE, new Domain<>(0.5, 3.5)),
+        DOUBLE_SEQ_10("double_rand_10", Type.DOUBLE, new Domain<>(0.5, 9.5)),
+        DOUBLE_SEQ_20("double_rand_20", Type.DOUBLE, new Domain<>(0.5, 19.5)),
+
+        STRING_RAND_26_A("string_rand_26_a", Type.STRING, new Domain<>('A', 'Z')),
+        STRING_RAND_26_B("string_rand_26_b", Type.STRING, new Domain<>('A', 'Z')),
+        STRING_RAND_26_C("string_rand_26_c", Type.STRING, new Domain<>('A', 'Z'));
+
+        final String fieldName;
+        final Type fieldType;
+        final Domain domain;
+
+        Field(String fieldName, Type fieldType, Domain domain) {
+            this.fieldName = fieldName;
+            this.fieldType = fieldType;
+            this.domain = domain;
+        }
+
+        enum Type {
+            BIGINT,
+            DOUBLE,
+            STRING
+        }
+    }
+
+    static class Domain<T> {
+        final T minimum;
+        final T maximum;
+
+        Domain(T minimum, T maximum) {
+            this.minimum = minimum;
+            this.maximum = maximum;
+        }
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/SqlppArrayIndexRQGTest.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/SqlppArrayIndexRQGTest.java
new file mode 100644
index 0000000..070e29a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/SqlppArrayIndexRQGTest.java
@@ -0,0 +1,479 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.asterix.common.utils.Servlets;
+import org.apache.asterix.test.array.ArrayQuery.Conjunct;
+import org.apache.asterix.test.array.ArrayQuery.ExistsConjunct;
+import org.apache.asterix.test.array.ArrayQuery.QuantifiedConjunct;
+import org.apache.asterix.test.array.ArrayQuery.SimpleConjunct;
+import org.apache.asterix.test.array.ArrayQuery.UnnestStep;
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.test.runtime.LangExecutionUtil;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.asterix.testframework.xml.ParameterTypeEnum;
+import org.apache.asterix.testframework.xml.TestCase;
+import org.apache.commons.math3.distribution.ExponentialDistribution;
+import org.apache.commons.math3.random.MersenneTwister;
+import org.apache.commons.math3.random.RandomGenerator;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.JsonNode;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.ObjectMapper;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.ObjectReader;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * This test will perform the following, using a flat schema that is defined ahead of time:
+ * <ol>
+ * <li>Generate a random schema for a single dataset using fields from the predefined flat schema, composed of
+ * various nested objects and an array of scalars or objects (whose contents can themselves contain scalars, arrays of
+ * scalars or arrays of objects following the same definition this is defined in).</li>
+ * <li>Using the randomly generated schema, create a query that will build the corresponding dataset from the flat
+ * schema using a series of CTEs and GROUP BY GROUP AS clauses.</li>
+ * <li>Create the array index DDL using the randomly generated schema.</li>
+ * <li>Randomly generate a query that will utilize the aforementioned array index, exploring the parameter space:<ul>
+ * <li>The number of non-indexed field terms defined in the query.</li>
+ * <li>The number of joins to perform for the query.</li>
+ * <li>The type of query.<ul>
+ *
+ * <li>For quantification queries...<ul>
+ * <li>The type of quantification (SOME AND EVERY | SOME).</li>
+ * <li>The presence of multiple quantifiers.</li>
+ * <li>Whether to use specify multiple levels of nesting with EXISTs or another quantification expression.</li>
+ * </ul></li>
+ *
+ * <li>For UNNEST queries...<ul>
+ * <li>The number of unrelated UNNESTs.</li>
+ * </ul></li>
+ *
+ * <li>For JOIN queries...<ul>
+ * <li>The type of JOIN (INNER | LEFT OUTER | Quantified).</li>
+ * <li><i>All of the options from the previous two items.</i></li>
+ * </ul></li>
+ * </ul></li>
+ * </ul>
+ * <li>Execute the query to build the dataset of our random schema and then execute the array index DDL, OR execute
+ * the array index DDL then build the dataset of our random schema. This decision is made randomly.</li>
+ * <li>Execute the randomly generated query with array index optimization enabled and without array index optimization
+ * enabled. Verify that the two result sets are exactly the same AND verify that the array index is being utilized.</li>
+ * <li>Repeat this entire process (from step 1) {@code ArrayIndexRQGIT.limit} amount of times.</li>
+ * </ol>
+ */
+@RunWith(Parameterized.class)
+public class SqlppArrayIndexRQGTest {
+    private static final Logger LOGGER = LogManager.getLogger(SqlppArrayIndexRQGTest.class);
+    private static final String TEST_CONFIG_FILE_NAME = "src/test/resources/cc.conf";
+    private static final String CONF_PROPERTY_LIMIT = "ArrayIndexRQGIT.limit";
+    private static final String CONF_PROPERTY_SEED = "ArrayIndexRQGIT.seed";
+    private static final String CONF_PROPERTY_JOIN = "ArrayIndexRQGIT.join";
+    private static final long CONF_PROPERTY_SEED_DEFAULT = System.currentTimeMillis();
+    private static final int CONF_PROPERTY_LIMIT_DEFAULT = 50;
+    private static final int CONF_PROPERTY_JOIN_DEFAULT = 25;
+    private static TestExecutor testExecutor;
+
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+    private static final ObjectReader OBJECT_READER = OBJECT_MAPPER.readerFor(ObjectNode.class);
+
+    private static final int GROUP_MEMORY_MB = 4;
+    private static final int JOIN_MEMORY_MB = 4;
+    private static final int PROBE_DOCUMENT_LIMIT = 50;
+    private static final int QUERY_RESULT_LIMIT = 100;
+    private static final int JOIN_COUNT_LIMIT = 3;
+    private final TestInstance testInstance;
+
+    @BeforeClass
+    public static void setUp() throws Exception {
+        testExecutor = new TestExecutor();
+        LangExecutionUtil.setUp(TEST_CONFIG_FILE_NAME, testExecutor);
+
+        StringBuilder sb = new StringBuilder();
+        sb.append("DROP DATAVERSE TestDataverse IF EXISTS;\n");
+        sb.append("CREATE DATAVERSE TestDataverse;\n");
+        sb.append("USE TestDataverse;\n\n");
+        sb.append("CREATE TYPE TestType AS { _id: uuid };\n");
+        sb.append("CREATE DATASET ").append(BaseWisconsinTable.TABLE_NAME);
+        sb.append(" (TestType)\nPRIMARY KEY _id AUTOGENERATED;\n");
+        sb.append("LOAD DATASET ").append(BaseWisconsinTable.TABLE_NAME).append('\n');
+        sb.append("USING localfs").append(String.format("((\"path\"=\"%s\"),(\"format\"=\"adm\"));\n\n",
+                "asterix_nc1://" + BaseWisconsinTable.TABLE_FILE));
+        for (int i = 0; i < JOIN_COUNT_LIMIT; i++) {
+            sb.append("CREATE DATASET ProbeDataset").append(i + 1);
+            sb.append(" (TestType)\nPRIMARY KEY _id AUTOGENERATED;\n");
+            sb.append("INSERT INTO ProbeDataset").append(i + 1).append('\n');
+            sb.append("FROM ").append(BaseWisconsinTable.TABLE_NAME);
+            sb.append(" B\nSELECT VALUE B LIMIT ").append(PROBE_DOCUMENT_LIMIT).append(";\n");
+        }
+
+        LOGGER.debug("Now executing setup DDL:\n" + sb);
+        testExecutor.executeSqlppUpdateOrDdl(sb.toString(), TestCaseContext.OutputFormat.ADM);
+    }
+
+    @AfterClass
+    public static void tearDown() throws Exception {
+        LangExecutionUtil.tearDown();
+    }
+
+    private static long getConfigurationProperty(String propertyName, long defValue) {
+        String textValue = System.getProperty(propertyName);
+        if (textValue != null) {
+            try {
+                return Long.parseLong(textValue);
+
+            } catch (NumberFormatException e) {
+                LOGGER.warn(String.format("Cannot parse configuration property: %s. Will use default value: %d",
+                        propertyName, defValue));
+            }
+        }
+        return defValue;
+    }
+
+    @Parameterized.Parameters(name = "ArrayIndexRQGIT {index}: {3}")
+    public static Collection<TestInstance> tests() {
+        List<TestInstance> testCases = new ArrayList<>();
+
+        long seed = getConfigurationProperty(CONF_PROPERTY_SEED, CONF_PROPERTY_SEED_DEFAULT);
+        int limit = (int) getConfigurationProperty(CONF_PROPERTY_LIMIT, CONF_PROPERTY_LIMIT_DEFAULT);
+        int join = (int) getConfigurationProperty(CONF_PROPERTY_JOIN, CONF_PROPERTY_JOIN_DEFAULT);
+        LOGGER.info(String.format("Testsuite configuration: -D%s=%d -D%s=%d -D%s=%d", CONF_PROPERTY_SEED, seed,
+                CONF_PROPERTY_LIMIT, limit, CONF_PROPERTY_JOIN, join));
+
+        // Initialize our random number generators.
+        BuilderContext context = new BuilderContext();
+        context.randomGenerator = new MersenneTwister(seed);
+        context.distBelow05 = new ExponentialDistribution(context.randomGenerator, 0.25, 1e-9);
+        context.distBelow1 = new ExponentialDistribution(context.randomGenerator, 0.5, 1e-9);
+        context.distEqual1 = new ExponentialDistribution(context.randomGenerator, 1.0, 1e-9);
+        context.distAbove1 = new ExponentialDistribution(context.randomGenerator, 1.5, 1e-9);
+        context.valueSupplierFactory = new ValueSupplierFactory(context.distBelow1, context.distEqual1,
+                context.distAbove1, context.randomGenerator);
+
+        for (int i = 0; i < limit; i++) {
+            TestInstance testCase = new TestInstance(i, i < join, context.randomGenerator.nextBoolean());
+            context.isJoin = testCase.isJoin;
+
+            // Build the array index first (implicitly, the schema for our dataset).
+            testCase.arrayIndex = buildArrayIndex(context);
+
+            // Build the dataset that corresponds to the array index.
+            testCase.arrayDataset = buildArrayDataset(context);
+
+            // Build the query that corresponds to the array index.
+            testCase.arrayQuery = buildArrayQuery(context);
+
+            // Finally, add the test case to our test cases.
+            testCases.add(testCase);
+        }
+
+        return testCases;
+    }
+
+    private static ArrayIndex buildArrayIndex(BuilderContext context) {
+        ArrayIndex.Builder indexBuilder = new ArrayIndex.Builder("testIndex", "IndexedDataset");
+
+        // Determine the number of fields and the depth of our array.
+        int totalNumberOfFields, depthOfArray;
+        do {
+            int numberOfAtomicPrefixes, numberOfFieldsInArray, numberOfAtomicSuffixes;
+            if (context.isJoin) {
+                // TODO (GLENN): Avoid performing joins with composite-atomic indexes for now.
+                numberOfAtomicPrefixes = 0; // (int) Math.round(context.distBelow05.sample());
+                numberOfFieldsInArray = Math.max(1, (int) Math.round(context.distBelow1.sample()));
+                numberOfAtomicSuffixes = 0; // (int) Math.round(context.distBelow05.sample());
+            } else {
+                numberOfAtomicPrefixes = (int) Math.round(context.distBelow05.sample());
+                numberOfFieldsInArray = Math.max(1, (int) Math.round(context.distBelow1.sample()));
+                numberOfAtomicSuffixes = (int) Math.round(context.distBelow05.sample());
+            }
+            indexBuilder.setNumberOfAtomicPrefixes(numberOfAtomicPrefixes);
+            indexBuilder.setNumberOfFieldsInArray(numberOfFieldsInArray);
+            indexBuilder.setNumberOfAtomicSuffixes(numberOfAtomicSuffixes);
+            indexBuilder.setIsArrayOfScalars(numberOfFieldsInArray == 1 && context.randomGenerator.nextBoolean());
+            depthOfArray = Math.max(1, (int) Math.round(context.distBelow1.sample()));
+            indexBuilder.setDepthOfArray(depthOfArray);
+            totalNumberOfFields = numberOfAtomicPrefixes + numberOfFieldsInArray + numberOfAtomicSuffixes;
+        } while (totalNumberOfFields > BaseWisconsinTable.NUMBER_OF_NON_GROUPING_FIELDS
+                || depthOfArray > BaseWisconsinTable.NUMBER_OF_GROUPING_FIELDS);
+
+        // Characterize how fields are generated (uniformly random).
+        indexBuilder.setValueSupplier(context.valueSupplierFactory.getCompleteArrayIndexValueSupplier());
+        context.arrayIndex = indexBuilder.build();
+        return context.arrayIndex;
+    }
+
+    private static ArrayDataset buildArrayDataset(BuilderContext context) {
+        ArrayDataset.Builder datasetBuilder = new ArrayDataset.Builder();
+        context.arrayIndex.getElements().forEach(datasetBuilder::addElement);
+        return datasetBuilder.build();
+    }
+
+    private static ArrayQuery buildArrayQuery(BuilderContext context) {
+        ArrayQuery.Builder queryBuilder = new ArrayQuery.Builder(context.arrayIndex);
+        queryBuilder.setLimitCount(QUERY_RESULT_LIMIT);
+
+        // Determine constants that should only be generated once.
+        int joinCount = Math.min(JOIN_COUNT_LIMIT, 1 + (int) Math.round(context.distBelow1.sample()));
+        int depthOfArray = context.arrayIndex.getArrayPath().size();
+        if (context.isJoin) {
+            // TODO: This is to avoid performing UNNEST joins on composite-atomic indexes. Refer to ASTERIXDB-2964.
+            // queryBuilder.setUnnestStepDepth(Math.min(depthOfArray, (int) Math.round(context.distBelow1.sample())));
+            queryBuilder.setUnnestStepDepth(0);
+            queryBuilder.setNumberOfJoins(joinCount);
+            if (joinCount == 1) {
+                // TODO: This is to avoid performing multiple UNNEST style explicit joins (falls under ASTERIXDB-2964).
+                queryBuilder.setNumberOfExplicitJoins(context.randomGenerator.nextBoolean() ? 1 : 0);
+            } else {
+                queryBuilder.setNumberOfExplicitJoins(0);
+            }
+        } else {
+            // TODO: This is to avoid specifying extra UNNESTs. Refer to ASTERIXDB-2962.
+            // queryBuilder.setUnnestStepDepth(Math.min(depthOfArray, (int) Math.round(context.distBelow1.sample())));
+            queryBuilder.setUnnestStepDepth(depthOfArray);
+            queryBuilder.setNumberOfJoins(0);
+            queryBuilder.setNumberOfExplicitJoins(0);
+        }
+
+        // Characterize the randomness in areas that occur more than once.
+        queryBuilder.setValueSupplier(context.valueSupplierFactory.getWorkingArrayQueryValueSupplier());
+        return queryBuilder.build();
+    }
+
+    public SqlppArrayIndexRQGTest(TestInstance testInstance) {
+        this.testInstance = testInstance;
+    }
+
+    @Test
+    public void test() throws Exception {
+        LOGGER.info("\n" + testInstance);
+        LOGGER.debug("Now executing test setup:\n" + testInstance.getTestSetup());
+        testExecutor.executeSqlppUpdateOrDdl(testInstance.getTestSetup(), TestCaseContext.OutputFormat.ADM);
+
+        // In addition to the results, we want the query plan as well.
+        String nonOptimizedQueryPrefix = "SET `compiler.arrayindex` \"false\";\n";
+        String optimizedQueryPrefix = "SET `compiler.arrayindex` \"true\";\n";
+        TestCase.CompilationUnit.Parameter planParameter = new TestCase.CompilationUnit.Parameter();
+        planParameter.setName("optimized-logical-plan");
+        planParameter.setValue("true");
+        planParameter.setType(ParameterTypeEnum.STRING);
+
+        try (InputStream notOptimizedResultStream =
+                testExecutor.executeQueryService(nonOptimizedQueryPrefix + testInstance.getTestQuery(),
+                        TestCaseContext.OutputFormat.ADM, testExecutor.getEndpoint(Servlets.QUERY_SERVICE),
+                        Collections.singletonList(planParameter), true, StandardCharsets.UTF_8);
+                InputStream optimizedResultStream =
+                        testExecutor.executeQueryService(optimizedQueryPrefix + testInstance.getTestQuery(),
+                                TestCaseContext.OutputFormat.ADM, testExecutor.getEndpoint(Servlets.QUERY_SERVICE),
+                                Collections.singletonList(planParameter), true, StandardCharsets.UTF_8)) {
+            LOGGER.debug("Now executing query:\n" + testInstance.getTestQuery());
+
+            // Verify that the optimized result is the same as the non optimized result.
+            ObjectNode r1 = OBJECT_READER.readValue(notOptimizedResultStream);
+            ObjectNode r2 = OBJECT_READER.readValue(optimizedResultStream);
+            boolean doesR1HaveErrors = (r1.get("errors") != null);
+            boolean doesR2HaveErrors = (r2.get("errors") != null);
+
+            if (r1.get("results") == null || r2.get("results") == null) {
+                LOGGER.error("Results not found. Errors are:\n"
+                        + (doesR1HaveErrors ? ("Non Optimized Error: " + r1.get("errors") + "\n")
+                                : ("No errors thrown from the non-optimized query!\n"))
+                        + (doesR2HaveErrors ? ("Optimized Error: " + r2.get("errors") + "\n")
+                                : ("No errors thrown from the optimized query!\n")));
+                if (!doesR1HaveErrors && doesR2HaveErrors) {
+                    Assert.fail("Optimized query resulted in an error.");
+                } else {
+                    LOGGER.error("Both queries have resulted in an error (not logging issue w/ query gen itself).");
+                }
+
+            } else if (!r1.get("results").equals(r2.get("results"))) {
+                LOGGER.error("Non optimized query returned: " + r1.get("results") + "\n");
+                LOGGER.error("Optimized query returned: " + r2.get("results") + "\n");
+                Assert.fail("Optimized result is not equal to the non-optimized result.");
+
+            } else {
+                Iterator<JsonNode> results = r1.get("results").elements();
+                if (!results.hasNext()) {
+                    LOGGER.error("Query has produced no results!");
+                } else {
+                    LOGGER.debug("First result of query is: " + results.next().toString());
+                }
+            }
+
+            // Verify that the array index is being used by the "optimized" query.
+            String indexName = testInstance.arrayIndex.getIndexName();
+            if (!doesR1HaveErrors && !doesR2HaveErrors
+                    && !r2.get("plans").get("optimizedLogicalPlan").asText().contains(indexName)) {
+                LOGGER.error("Optimized query plan: \n" + r2.get("plans").get("optimizedLogicalPlan").asText());
+                Assert.fail("Index " + indexName + " is not being used.");
+            }
+        }
+    }
+
+    private static class TestInstance {
+        private final int testCaseID;
+        private final boolean isJoin;
+        private final boolean isLoadFirst;
+
+        private ArrayDataset arrayDataset;
+        private ArrayIndex arrayIndex;
+        private ArrayQuery arrayQuery;
+
+        private String getTestSetup() {
+            String compilerSetStmt = "SET `compiler.groupmemory` \"" + GROUP_MEMORY_MB + "MB\";\n"
+                    + "SET `compiler.joinmemory` \"" + JOIN_MEMORY_MB + "MB\";\n";
+            String dropDatasetStmt = "DROP DATASET IndexedDataset IF EXISTS;\n";
+            String createDatasetStmt = "CREATE DATASET IndexedDataset (TestType)\nPRIMARY KEY _id AUTOGENERATED;\n";
+            String leadingStatements = compilerSetStmt + "USE TestDataverse;\n" + dropDatasetStmt + createDatasetStmt;
+            if (isLoadFirst) {
+                return leadingStatements + "INSERT INTO IndexedDataset (\n" + arrayDataset + "\n);\n" + arrayIndex;
+            } else {
+                return leadingStatements + arrayIndex + "INSERT INTO IndexedDataset (\n" + arrayDataset + "\n);\n";
+            }
+        }
+
+        private String getTestQuery() {
+            String groupMemStmt = "SET `compiler.groupmemory` \"" + GROUP_MEMORY_MB + "MB\";\n";
+            String joinMemStmt = "SET `compiler.joinmemory` \"" + JOIN_MEMORY_MB + "MB\";\n";
+            String dataverseUseStmt = "USE TestDataverse;\n";
+            return groupMemStmt + joinMemStmt + dataverseUseStmt + arrayQuery;
+        }
+
+        public TestInstance(int testCaseID, boolean isJoin, boolean isLoadFirst) {
+            this.testCaseID = testCaseID;
+            this.isJoin = isJoin;
+            this.isLoadFirst = isLoadFirst;
+        }
+
+        @Override
+        public String toString() {
+            StringBuilder sb = new StringBuilder();
+            sb.append("-------------------------------------------------------\n");
+            sb.append("Test Case Name: #").append(testCaseID).append('\n');
+            sb.append("Test Type: ").append(isJoin ? "JOIN" : "NON-JOIN").append('\n');
+            sb.append("Test Order: ");
+            sb.append(isLoadFirst ? "INSERT -> CREATE INDEX" : "CREATE INDEX -> INSERT").append(" -> QUERY\n");
+            sb.append("Indexed Elements:\n");
+            arrayIndex.getElements().forEach(e -> {
+                sb.append("\tElement #").append(e.elementPosition).append(":\n");
+                sb.append("\t\tKind: ").append(e.kind).append('\n');
+                e.unnestList.forEach(f -> sb.append("\t\tUNNEST Field: ").append(f).append('\n'));
+                e.projectList.forEach(f -> sb.append("\t\tPROJECT Field: ").append(f).append('\n'));
+            });
+            sb.append("Indexed Query: \n");
+            arrayQuery.getFromExprs().forEach(e -> {
+                sb.append("\tStarting FROM Expr:\n");
+                sb.append("\t\tDataset Name: ").append(e.datasetName).append('\n');
+                sb.append("\t\tAs Alias: ").append(e.alias).append('\n');
+            });
+            arrayQuery.getUnnestSteps().forEach(e -> {
+                sb.append("\tUNNEST Step:\n");
+                sb.append("\t\tSource Alias: ").append(e.sourceAlias).append('\n');
+                sb.append("\t\tArray Field: ").append(e.arrayField).append('\n');
+                sb.append("\t\tAs Alias: ").append(e.alias).append('\n');
+            });
+            arrayQuery.getJoinSteps().forEach(e -> {
+                sb.append("\tJoin Step:\n");
+                sb.append("\t\tSubquery FROM Expr:\n");
+                sb.append("\t\t\tDataset Name: ").append(e.subqueryFromExpr.datasetName).append('\n');
+                sb.append("\t\t\tAs Alias: ").append(e.subqueryFromExpr.alias).append('\n');
+                for (UnnestStep unnestStep : e.subqueryUnnestSteps) {
+                    sb.append("\t\tSubquery UNNEST Step:\n");
+                    sb.append("\t\t\tSource Alias: ").append(unnestStep.sourceAlias).append('\n');
+                    sb.append("\t\t\tArray Field: ").append(unnestStep.arrayField).append('\n');
+                    sb.append("\t\t\tAs Alias: ").append(unnestStep.alias).append('\n');
+                }
+            });
+            arrayQuery.getWhereConjuncts().forEach(e -> printConjunct(sb, e, 1));
+            arrayQuery.getSelectExprs().forEach(e -> {
+                sb.append("\tSelect Expr:\n");
+                sb.append("\t\tExpr: ").append(e.expr).append('\n');
+                sb.append("\t\tAs Alias: ").append(e.alias).append('\n');
+            });
+            sb.append("-------------------------------------------------------\n");
+            return sb.toString();
+        }
+
+        private static void printConjunct(StringBuilder sb, Conjunct conjunct, int depth) {
+            String localTabPrefix = "\t".repeat(depth);
+            if (conjunct instanceof SimpleConjunct) {
+                SimpleConjunct simpleConjunct = (SimpleConjunct) conjunct;
+                sb.append(localTabPrefix).append("WHERE Conjunct (Simple):\n");
+                localTabPrefix = localTabPrefix + "\t";
+                sb.append(localTabPrefix).append("Expression 1: ").append(simpleConjunct.expressionOne).append('\n');
+                sb.append(localTabPrefix).append("Expression 2: ").append(simpleConjunct.expressionTwo).append('\n');
+                sb.append(localTabPrefix).append("Expression 3: ").append(simpleConjunct.expressionThree).append('\n');
+                sb.append(localTabPrefix).append("Operator: ").append(simpleConjunct.operator).append('\n');
+                sb.append(localTabPrefix).append("Annotation: ").append(simpleConjunct.annotation).append('\n');
+
+            } else if (conjunct instanceof QuantifiedConjunct) {
+                QuantifiedConjunct quantifiedConjunct = (QuantifiedConjunct) conjunct;
+                sb.append(localTabPrefix).append("WHERE Conjunct (Quantified):\n");
+                localTabPrefix = localTabPrefix + "\t";
+                for (int i = 0; i < quantifiedConjunct.arraysToQuantify.size(); i++) {
+                    String arrayToQuantify = quantifiedConjunct.arraysToQuantify.get(i);
+                    String quantifiedVar = quantifiedConjunct.quantifiedVars.get(i);
+                    sb.append(localTabPrefix).append("Quantified Array: ").append(arrayToQuantify).append('\n');
+                    sb.append(localTabPrefix).append('\t').append("As Alias: ").append(quantifiedVar).append('\n');
+                }
+                quantifiedConjunct.conjuncts.forEach(e -> printConjunct(sb, e, depth + 1));
+
+            } else {
+                ExistsConjunct existsConjunct = (ExistsConjunct) conjunct;
+                ArrayQuery.FromExpr fromExpr = existsConjunct.fromExpr;
+                sb.append(localTabPrefix).append("WHERE Conjunct (EXISTS):\n");
+                localTabPrefix = localTabPrefix + "\t";
+                sb.append(localTabPrefix).append("Subquery FROM Expr:\n");
+                sb.append(localTabPrefix).append("\t").append("FROM Expr: ").append(fromExpr.datasetName).append('\n');
+                sb.append(localTabPrefix).append("\t").append("As Alias: ").append(fromExpr.alias).append('\n');
+                for (UnnestStep e : existsConjunct.unnestSteps) {
+                    sb.append(localTabPrefix).append("Subquery UNNEST Steps:\n");
+                    sb.append(localTabPrefix).append('\t').append("Source Alias: ").append(e.sourceAlias).append('\n');
+                    sb.append(localTabPrefix).append('\t').append("Array Field: ").append(e.arrayField).append('\n');
+                    sb.append(localTabPrefix).append('\t').append("As Alias: ").append(e.alias).append('\n');
+                }
+                sb.append(localTabPrefix).append("Subquery WHERE Conjuncts:\n");
+                existsConjunct.conjuncts.forEach(e -> printConjunct(sb, e, depth + 1));
+            }
+        }
+    }
+
+    private static class BuilderContext {
+        ValueSupplierFactory valueSupplierFactory;
+        ExponentialDistribution distBelow05;
+        ExponentialDistribution distBelow1;
+        ExponentialDistribution distEqual1;
+        ExponentialDistribution distAbove1;
+        RandomGenerator randomGenerator;
+        ArrayIndex arrayIndex;
+        boolean isJoin;
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ValueSupplierFactory.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ValueSupplierFactory.java
new file mode 100644
index 0000000..efacf78
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/array/ValueSupplierFactory.java
@@ -0,0 +1,274 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.test.array;
+
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.asterix.test.array.ArrayQuery.Builder.ValueSupplier;
+import org.apache.commons.lang3.tuple.Pair;
+import org.apache.commons.math3.distribution.ExponentialDistribution;
+import org.apache.commons.math3.random.RandomGenerator;
+
+public class ValueSupplierFactory {
+    private final ExponentialDistribution distBelow1;
+    private final ExponentialDistribution distEqual1;
+    private final ExponentialDistribution distAbove1;
+    private final RandomGenerator randomGenerator;
+
+    public ValueSupplierFactory(ExponentialDistribution distBelow1, ExponentialDistribution distEqual1,
+            ExponentialDistribution distAbove1, RandomGenerator randomGenerator) {
+        this.distBelow1 = distBelow1;
+        this.distEqual1 = distEqual1;
+        this.distAbove1 = distAbove1;
+        this.randomGenerator = randomGenerator;
+    }
+
+    private class BaseArrayIndexValueSupplier extends ArrayIndex.Builder.ValueSupplier {
+        private final Set<BaseWisconsinTable.Field> consumedFields = new LinkedHashSet<>();
+
+        @Override
+        public BaseWisconsinTable.Field getAtomicBaseField() {
+            BaseWisconsinTable.Field field;
+            do {
+                int index = BaseWisconsinTable.NUMBER_OF_GROUPING_FIELDS
+                        + randomGenerator.nextInt(BaseWisconsinTable.NUMBER_OF_NON_GROUPING_FIELDS);
+                field = BaseWisconsinTable.Field.values()[index];
+            } while (consumedFields.contains(field) || field.fieldType != BaseWisconsinTable.Field.Type.BIGINT);
+            consumedFields.add(field);
+            return field;
+        }
+
+        @Override
+        public BaseWisconsinTable.Field getArrayBaseField() {
+            BaseWisconsinTable.Field field;
+            do {
+                int index = BaseWisconsinTable.NUMBER_OF_GROUPING_FIELDS
+                        + randomGenerator.nextInt(BaseWisconsinTable.NUMBER_OF_NON_GROUPING_FIELDS);
+                field = BaseWisconsinTable.Field.values()[index];
+            } while (consumedFields.contains(field));
+            consumedFields.add(field);
+            return field;
+        }
+
+        @Override
+        public List<String> getFieldName(BaseWisconsinTable.Field baseField) {
+            List<String> fieldName = new ArrayList<>();
+            if (randomGenerator.nextBoolean()) {
+                int index = randomGenerator.nextInt(ArrayDataset.CONTAINER_OBJECT_NAMES.length);
+                fieldName.add(ArrayDataset.CONTAINER_OBJECT_NAMES[index]);
+            }
+            fieldName.add(baseField.fieldName);
+            if (randomGenerator.nextBoolean()) {
+                int index = randomGenerator.nextInt(ArrayDataset.CONTAINED_OBJECT_NAMES.length);
+                fieldName.add(ArrayDataset.CONTAINED_OBJECT_NAMES[index]);
+            }
+            return fieldName;
+        }
+
+        @Override
+        public List<String> getGroupFieldName(int nestingLevel) {
+            List<String> fieldName = new ArrayList<>();
+            if (randomGenerator.nextBoolean()) {
+                int index = randomGenerator.nextInt(ArrayDataset.CONTAINER_OBJECT_NAMES.length);
+                fieldName.add(ArrayDataset.CONTAINER_OBJECT_NAMES[index]);
+            }
+            fieldName.add("nesting_" + nestingLevel);
+            if (randomGenerator.nextBoolean()) {
+                int index = randomGenerator.nextInt(ArrayDataset.CONTAINED_OBJECT_NAMES.length);
+                fieldName.add(ArrayDataset.CONTAINED_OBJECT_NAMES[index]);
+            }
+            return fieldName;
+        }
+    }
+
+    private class BaseArrayQueryValueSupplier extends ValueSupplier {
+        @Override
+        public String getJoinType() {
+            return ((int) Math.round(distEqual1.sample()) == 0) ? "INNER" : "LEFT OUTER";
+        }
+
+        @Override
+        public String getOperatorForJoin() {
+            boolean isEquiJoin = randomGenerator.nextBoolean();
+            switch (isEquiJoin ? 0 : (1 + randomGenerator.nextInt(4))) {
+                case 0:
+                    return "=";
+                case 1:
+                    return "<";
+                case 2:
+                    return ">";
+                case 3:
+                    return "<=";
+                default:
+                    return ">=";
+            }
+        }
+
+        @Override
+        public String getOperatorForConstant() {
+            boolean isEqualityPredicate = distBelow1.sample() > 2;
+            switch (isEqualityPredicate ? 0 : (1 + randomGenerator.nextInt(4))) {
+                case 0:
+                    return "=";
+                case 1:
+                    return "<";
+                case 2:
+                    return ">";
+                case 3:
+                    return "<=";
+                default:
+                    return ">=";
+            }
+        }
+
+        @SuppressWarnings("rawtypes")
+        @Override
+        public Pair<String, String> getRangeFromDomain(BaseWisconsinTable.Domain domain) {
+            if (domain.minimum instanceof Integer && domain.maximum instanceof Integer) {
+                int domainMinimum = (int) domain.minimum, domainMaximum = (int) domain.maximum;
+                return Pair.of(String.valueOf(domainMinimum), String.valueOf(domainMaximum));
+
+            } else if (domain.minimum instanceof Character && domain.maximum instanceof Character) {
+                int domainMinimum = (char) domain.minimum, domainMaximum = (char) domain.maximum;
+                return Pair.of("\"" + (char) domainMinimum + "\"", "\"" + (char) domainMaximum + "\"");
+
+            } else if (domain.minimum instanceof Double && domain.maximum instanceof Double) {
+                int domainMinimum = (int) ((double) domain.minimum - 0.5);
+                int domainMaximum = (int) ((double) domain.maximum - 0.5);
+                return Pair.of(String.valueOf(domainMinimum), String.valueOf(domainMaximum));
+
+            } else {
+                throw new UnsupportedOperationException("Unknown / unsupported type for domain value.");
+            }
+        }
+
+        @Override
+        public boolean getIsBetweenConjunct() {
+            return randomGenerator.nextBoolean();
+        }
+
+        @Override
+        public String getQuantifier() {
+            return (distBelow1.sample() < 1) ? "SOME" : "SOME AND EVERY";
+        }
+
+        @Override
+        public boolean getIsConditionOnUnnest() {
+            return randomGenerator.nextBoolean();
+        }
+
+        @Override
+        public boolean getIsConstantConditionWithJoins() {
+            return distBelow1.sample() > 1;
+        }
+
+        @Override
+        public boolean getIsCrossProductOnProbes() {
+            return distBelow1.sample() > 1;
+        }
+
+        @Override
+        public boolean getIsUseNestedQuantification() {
+            return randomGenerator.nextBoolean();
+        }
+
+        @Override
+        public List<ArrayQuery.UnnestStep> getExtraUnnestSteps(String alias) {
+            List<ArrayQuery.UnnestStep> unnestSteps = new ArrayList<>();
+            int numberOfAdditionalGroups = ArrayDataset.ADDITIONAL_GROUPS.length;
+            for (int i = 0; i < randomGenerator.nextInt(numberOfAdditionalGroups + 1); i++) {
+                unnestSteps.add(new ArrayQuery.UnnestStep(alias, ArrayDataset.ADDITIONAL_GROUPS[i], null));
+            }
+            return unnestSteps;
+        }
+
+        @Override
+        public List<ArrayQuery.Conjunct> getExtraConjuncts(String alias) {
+            List<ArrayQuery.Conjunct> extraConjuncts = new ArrayList<>();
+            if (distBelow1.sample() > 1) {
+                String variableExpr = String.format("%s.%s", alias, ArrayDataset.ADDITIONAL_FIELDS[0]);
+                String value = ArrayDataset.VALUES_FOR_ADDITIONAL_FIELDS[0];
+                extraConjuncts.add(new ArrayQuery.SimpleConjunct(variableExpr, value, "=", null));
+            }
+            if (distBelow1.sample() > 1) {
+                String variableExpr = String.format("%s.%s", alias, ArrayDataset.ADDITIONAL_FIELDS[1]);
+                String value = ArrayDataset.VALUES_FOR_ADDITIONAL_FIELDS[1];
+                extraConjuncts.add(new ArrayQuery.SimpleConjunct(variableExpr, value, "=", null));
+            }
+            return extraConjuncts;
+        }
+
+        @Override
+        public List<ArrayQuery.Conjunct> getExtraQuantifiersAndConjuncts(List<String> arraysToQuantify,
+                List<String> quantifiedVars, String alias) {
+            List<ArrayQuery.Conjunct> extraConjuncts = new ArrayList<>();
+            if (distBelow1.sample() > 1) {
+                int i = randomGenerator.nextInt(ArrayDataset.VALUES_FOR_ADDITIONAL_GROUPS.length);
+                String valueExpr = ArrayDataset.VALUES_FOR_ADDITIONAL_GROUPS[i];
+                arraysToQuantify.add(String.format("%s.%s", alias, ArrayDataset.ADDITIONAL_GROUPS[0]));
+                quantifiedVars.add("W1");
+                extraConjuncts.add(new ArrayQuery.SimpleConjunct("W1", valueExpr, "=", null));
+            }
+            if (distBelow1.sample() > 1) {
+                int i = randomGenerator.nextInt(ArrayDataset.VALUES_FOR_ADDITIONAL_GROUPS.length);
+                String valueExpr = ArrayDataset.VALUES_FOR_ADDITIONAL_GROUPS[i];
+                arraysToQuantify.add(String.format("%s.%s", alias, ArrayDataset.ADDITIONAL_GROUPS[1]));
+                quantifiedVars.add("W2");
+                extraConjuncts.add(new ArrayQuery.SimpleConjunct("W2", valueExpr, "=", null));
+            }
+            return extraConjuncts;
+        }
+    }
+
+    public ArrayIndex.Builder.ValueSupplier getCompleteArrayIndexValueSupplier() {
+        return new BaseArrayIndexValueSupplier();
+    }
+
+    public ValueSupplier getCompleteArrayQueryValueSupplier() {
+        return new BaseArrayQueryValueSupplier();
+    }
+
+    /**
+     * @return Return a supplier that generates queries that get picked up and index-accelerated by the optimizer.
+     */
+    public ValueSupplier getWorkingArrayQueryValueSupplier() {
+        return new BaseArrayQueryValueSupplier() {
+            @Override
+            public boolean getIsConditionOnUnnest() {
+                // TODO: This is to avoid specifying extra UNNESTs. Refer to ASTERIXDB-2962.
+                return true;
+            }
+
+            @Override
+            public boolean getIsConstantConditionWithJoins() {
+                // TODO: This is to avoid specifying extra conjuncts in the presence of joins.
+                return false;
+            }
+
+            @Override
+            public boolean getIsCrossProductOnProbes() {
+                // TODO: This is to avoid performing a cross product with probes. Refer to ASTERIXDB-2966.
+                return false;
+            }
+        };
+    }
+}
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query8.plan
index 4d5a668..ea7ceef 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query8.plan
@@ -30,8 +30,9 @@
                                             -- BROADCAST_EXCHANGE  |PARTITIONED|
                                               -- RUNNING_AGGREGATE  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query9.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query9.plan
index 5e62aa2..b47e122 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query9.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query9.plan
@@ -39,8 +39,9 @@
                                             -- BROADCAST_EXCHANGE  |PARTITIONED|
                                               -- RUNNING_AGGREGATE  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryArrayIndexBTreeOperationsHelper.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryArrayIndexBTreeOperationsHelper.java
index 5d80dca..32138dc 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryArrayIndexBTreeOperationsHelper.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/SecondaryArrayIndexBTreeOperationsHelper.java
@@ -22,11 +22,13 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.Deque;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Objects;
 import java.util.Queue;
-import java.util.Stack;
+import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;
 
@@ -571,8 +573,8 @@
     }
 
     class LoadingJobBuilder implements ArrayIndexUtil.ActionCounterCommandExecutor {
-        private final Stack<RecordDescriptor> recDescStack = evalFactoryAndRecDescStackBuilder.buildRecDescStack();
-        private final Stack<List<IScalarEvaluatorFactory>> sefStack =
+        private final Deque<RecordDescriptor> recDescStack = evalFactoryAndRecDescStackBuilder.buildRecDescStack();
+        private final Deque<List<IScalarEvaluatorFactory>> sefStack =
                 evalFactoryAndRecDescStackBuilder.buildEvalFactoryStack();
 
         private final JobSpecification spec;
@@ -595,9 +597,9 @@
 
         @Override
         public void executeActionOnFirstArrayStep() throws AlgebricksException {
+            IScalarEvaluatorFactory sef = sefStack.pop().get(0);
             nextRecDesc = recDescStack.pop();
-            targetOpRef
-                    .setValue(createUnnestOp(spec, workingRecDesc.getFieldCount(), sefStack.pop().get(0), nextRecDesc));
+            targetOpRef.setValue(createUnnestOp(spec, workingRecDesc.getFieldCount(), sef, nextRecDesc));
             connectAndMoveToNextOp();
         }
 
@@ -611,45 +613,57 @@
                     workingRecDesc.getFieldCount(), sefStack.pop(), nextRecDesc));
             connectAndMoveToNextOp();
 
+            IScalarEvaluatorFactory sef = sefStack.pop().get(0);
             nextRecDesc = recDescStack.pop();
-            targetOpRef
-                    .setValue(createUnnestOp(spec, workingRecDesc.getFieldCount(), sefStack.pop().get(0), nextRecDesc));
+            targetOpRef.setValue(createUnnestOp(spec, workingRecDesc.getFieldCount(), sef, nextRecDesc));
             connectAndMoveToNextOp();
         }
 
         @Override
-        public void executeActionOnFinalArrayStep(int numberOfActionsAlreadyPerformed) {
+        public void executeActionOnFinalArrayStep(int numberOfActionsAlreadyPerformed) throws AlgebricksException {
+            nextRecDesc = recDescStack.pop();
             targetOpRef.setValue(createFinalAssignOp(spec, numberOfActionsAlreadyPerformed < 2,
-                    workingRecDesc.getFieldCount(), sefStack.pop(), recDescStack.pop()));
+                    workingRecDesc.getFieldCount(), sefStack.pop(), nextRecDesc));
             connectAndMoveToNextOp();
         }
     }
 
     class EvalFactoryAndRecDescStackBuilder {
-        private final Stack<IScalarEvaluatorFactory> unnestEvalFactories = new Stack<>();
-        private final List<IScalarEvaluatorFactory> atomicSKEvalFactories = new ArrayList<>();
-        private final List<IScalarEvaluatorFactory> finalArraySKEvalFactories = new ArrayList<>();
+        class EvalFactoryAndPosition {
+            final IScalarEvaluatorFactory scalarEvaluatorFactory;
+            final int position;
+
+            EvalFactoryAndPosition(IScalarEvaluatorFactory scalarEvaluatorFactory) {
+                this.scalarEvaluatorFactory = scalarEvaluatorFactory;
+                this.position = workingPosition++;
+            }
+        }
+
+        private final Deque<EvalFactoryAndPosition> unnestEvalFactories = new ArrayDeque<>();
+        private final List<EvalFactoryAndPosition> atomicSKEvalFactories = new ArrayList<>();
+        private final List<EvalFactoryAndPosition> finalArraySKEvalFactories = new ArrayList<>();
         private final Queue<IAType> unnestEvalTypes = new LinkedList<>();
         private final List<IAType> atomicSKEvalTypes = new ArrayList<>();
-        private IScalarEvaluatorFactory filterEvalFactory = null;
+        private EvalFactoryAndPosition filterEvalFactory = null;
         private IAType filterEvalType = null;
+        private int workingPosition = 0;
 
         public void addAtomicSK(IScalarEvaluatorFactory sef, IAType type) {
-            atomicSKEvalFactories.add(sef);
+            atomicSKEvalFactories.add(new EvalFactoryAndPosition(sef));
             atomicSKEvalTypes.add(type);
         }
 
         public void addFilter(IScalarEvaluatorFactory sef, IAType type) {
-            filterEvalFactory = sef;
+            filterEvalFactory = new EvalFactoryAndPosition(sef);
             filterEvalType = type;
         }
 
         public void addFinalArraySK(IScalarEvaluatorFactory sef) {
-            finalArraySKEvalFactories.add(sef);
+            finalArraySKEvalFactories.add(new EvalFactoryAndPosition(sef));
         }
 
         public void addUnnest(IScalarEvaluatorFactory sef, IAType type) {
-            unnestEvalFactories.push(sef);
+            unnestEvalFactories.push(new EvalFactoryAndPosition(sef));
             unnestEvalTypes.add(type);
         }
 
@@ -669,8 +683,8 @@
          *  [ final ASSIGN SEFs -- array SKs (record accessors) ---------------- ]
          * </pre>
          */
-        public Stack<List<IScalarEvaluatorFactory>> buildEvalFactoryStack() {
-            Stack<List<IScalarEvaluatorFactory>> resultant = new Stack<>();
+        public Deque<List<IScalarEvaluatorFactory>> buildEvalFactoryStack() {
+            Deque<List<EvalFactoryAndPosition>> resultant = new ArrayDeque<>();
             resultant.push(finalArraySKEvalFactories);
             int initialUnnestEvalFactorySize = unnestEvalFactories.size();
             for (int i = 0; i < initialUnnestEvalFactorySize - 1; i++) {
@@ -682,12 +696,22 @@
                     resultant.push(new ArrayList<>());
                 }
             }
+
+            // Sort the SEFs according to the index order.
             resultant.peek().addAll(atomicSKEvalFactories);
+            List<EvalFactoryAndPosition> reorderedSEFs = new ArrayList<>(Objects.requireNonNull(resultant.peek()));
+            reorderedSEFs.sort(Comparator.comparingInt(s -> s.position));
+            resultant.pop();
+            resultant.push(reorderedSEFs);
+
+            // Append our filter eval factory last.
             if (filterEvalFactory != null) {
                 resultant.peek().add(filterEvalFactory);
             }
             resultant.push(Collections.singletonList(unnestEvalFactories.pop()));
-            return resultant;
+            return resultant.stream()
+                    .map(l -> l.stream().map(s -> s.scalarEvaluatorFactory).collect(Collectors.toList()))
+                    .collect(Collectors.toCollection(ArrayDeque::new));
         }
 
         /**
@@ -704,9 +728,9 @@
          *  [ secondary record descriptor ------------------------------------- ]
          * </pre>
          */
-        public Stack<RecordDescriptor> buildRecDescStack() throws AlgebricksException {
+        public Deque<RecordDescriptor> buildRecDescStack() throws AlgebricksException {
             int initialUnnestEvalTypesSize = unnestEvalTypes.size();
-            Deque<RecordDescriptor> resultantAsDeque = new ArrayDeque<>();
+            Deque<RecordDescriptor> resultant = new ArrayDeque<>();
             RecordDescriptor recDescBeforeFirstUnnest = primaryRecDesc;
             if (dataset.hasMetaPart()) {
                 ISerializerDeserializer[] fields = new ISerializerDeserializer[primaryRecDesc.getFieldCount() - 1];
@@ -717,15 +741,13 @@
                 }
                 recDescBeforeFirstUnnest = new RecordDescriptor(fields, typeTraits);
             }
-            resultantAsDeque.addFirst(recDescBeforeFirstUnnest);
-            resultantAsDeque.addFirst(createUnnestRecDesc(recDescBeforeFirstUnnest, unnestEvalTypes.remove()));
+            resultant.addLast(recDescBeforeFirstUnnest);
+            resultant.addLast(createUnnestRecDesc(recDescBeforeFirstUnnest, unnestEvalTypes.remove()));
             for (int i = 0; i < initialUnnestEvalTypesSize - 1; i++) {
-                resultantAsDeque.addFirst(createAssignRecDesc(resultantAsDeque.getFirst(), i == 0));
-                resultantAsDeque.addFirst(createUnnestRecDesc(resultantAsDeque.getFirst(), unnestEvalTypes.remove()));
+                resultant.addLast(createAssignRecDesc(resultant.getLast(), i == 0));
+                resultant.addLast(createUnnestRecDesc(resultant.getLast(), unnestEvalTypes.remove()));
             }
-            resultantAsDeque.addFirst(secondaryRecDesc);
-            Stack<RecordDescriptor> resultant = new Stack<>();
-            resultant.addAll(resultantAsDeque);
+            resultant.addLast(secondaryRecDesc);
             return resultant;
         }
 
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/TypeUtil.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/TypeUtil.java
index 8a9236e..b48e0a9 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/TypeUtil.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/utils/TypeUtil.java
@@ -203,6 +203,7 @@
             while (!typeStack.isEmpty()) {
                 Triple<IAType, String, Boolean> typeFromStack = typeStack.pop();
                 IAType typeIntermediate = unnestArrayType(typeFromStack.first, typeFromStack.third);
+                typeIntermediate = TypeComputeUtils.getActualType(typeIntermediate);
                 ARecordType recordType = (ARecordType) typeIntermediate;
                 IAType[] fieldTypes = recordType.getFieldTypes().clone();
                 fieldTypes[recordType.getFieldIndex(typeFromStack.second)] = resultant;