diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
index 5c61715..2fa2dc9 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
@@ -55,11 +55,13 @@
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.ConsolidateSelectsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.EliminateSubplanRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.EnforceStructuralPropertiesRule;
+import edu.uci.ics.hyracks.algebricks.rewriter.rules.ExtractCommonExpressionsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.ExtractCommonOperatorsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.ExtractGbyExpressionsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.FactorRedundantGroupAndDecorVarsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.InferTypesRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.InlineAssignIntoAggregateRule;
+import edu.uci.ics.hyracks.algebricks.rewriter.rules.InlineSingleReferenceVariablesRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.InsertOuterJoinRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.InsertProjectBeforeUnionRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.IntroHashPartitionMergeExchange;
@@ -78,6 +80,8 @@
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushSelectIntoJoinRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushSubplanWithAggregateDownThroughProductRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.ReinferAllTypesRule;
+import edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveRedundantGroupByDecorVars;
+import edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveRedundantVariablesRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveUnusedAssignAndAggregateRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.SetAlgebricksPhysicalOperatorsRule;
 import edu.uci.ics.hyracks.algebricks.rewriter.rules.SetExecutionModeRule;
@@ -99,8 +103,9 @@
         normalization.add(new BreakSelectIntoConjunctsRule());
         normalization.add(new ExtractGbyExpressionsRule());
         normalization.add(new ExtractDistinctByExpressionsRule());
-        normalization.add(new ExtractOrderExpressionsRule());
-
+        normalization.add(new ExtractOrderExpressionsRule());        
+        normalization.add(new ExtractCommonExpressionsRule());
+        
         // IntroduceStaticTypeCastRule should go before
         // IntroduceDynamicTypeCastRule to
         // avoid unnecessary dynamic casting
@@ -116,7 +121,7 @@
 
     public final static List<IAlgebraicRewriteRule> buildCondPushDownAndJoinInferenceRuleCollection() {
         List<IAlgebraicRewriteRule> condPushDownAndJoinInference = new LinkedList<IAlgebraicRewriteRule>();
-
+                
         condPushDownAndJoinInference.add(new PushSelectDownRule());
         condPushDownAndJoinInference.add(new PushDieUpRule());
         condPushDownAndJoinInference.add(new RemoveRedundantListifyRule());
@@ -130,14 +135,17 @@
         condPushDownAndJoinInference.add(new IntroduceGroupByForSubplanRule());
         condPushDownAndJoinInference.add(new SubplanOutOfGroupRule());
         condPushDownAndJoinInference.add(new InsertOuterJoinRule());
+        
+        condPushDownAndJoinInference.add(new RemoveRedundantVariablesRule());
         condPushDownAndJoinInference.add(new AsterixInlineVariablesRule());
         condPushDownAndJoinInference.add(new RemoveUnusedAssignAndAggregateRule());
+        
         condPushDownAndJoinInference.add(new FactorRedundantGroupAndDecorVarsRule());
         condPushDownAndJoinInference.add(new PushAggregateIntoGroupbyRule());
         condPushDownAndJoinInference.add(new EliminateSubplanRule());
         condPushDownAndJoinInference.add(new PushProperJoinThroughProduct());
         condPushDownAndJoinInference.add(new PushGroupByThroughProduct());
-        condPushDownAndJoinInference.add(new NestGroupByRule());
+        condPushDownAndJoinInference.add(new NestGroupByRule());                
 
         return condPushDownAndJoinInference;
     }
@@ -148,12 +156,12 @@
         fieldLoads.add(new PushFieldAccessRule());
         // fieldLoads.add(new ByNameToByHandleFieldAccessRule()); -- disabled
         fieldLoads.add(new ByNameToByIndexFieldAccessRule());
+        fieldLoads.add(new RemoveRedundantVariablesRule());
         fieldLoads.add(new AsterixInlineVariablesRule());
-        // fieldLoads.add(new InlineRecordAccessRule());
         fieldLoads.add(new RemoveUnusedAssignAndAggregateRule());
         fieldLoads.add(new ConstantFoldingRule());
         fieldLoads.add(new FeedScanCollectionToUnnest());
-        fieldLoads.add(new ComplexJoinInferenceRule());
+        fieldLoads.add(new ComplexJoinInferenceRule());        
         return fieldLoads;
     }
 
@@ -172,18 +180,25 @@
         consolidation.add(new IntroduceGroupByCombinerRule());
         consolidation.add(new IntroduceAggregateCombinerRule());
         consolidation.add(new CountVarToCountOneRule());
-        consolidation.add(new IntroduceSelectAccessMethodRule());
-        consolidation.add(new IntroduceJoinAccessMethodRule());
         consolidation.add(new RemoveUnusedAssignAndAggregateRule());
-        consolidation.add(new IntroduceSecondaryIndexInsertDeleteRule());
+        consolidation.add(new RemoveRedundantGroupByDecorVars());
         return consolidation;
     }
+    
+    public final static List<IAlgebraicRewriteRule> buildAccessMethodRuleCollection() {
+        List<IAlgebraicRewriteRule> accessMethod = new LinkedList<IAlgebraicRewriteRule>();
+        accessMethod.add(new IntroduceSelectAccessMethodRule());
+        accessMethod.add(new IntroduceJoinAccessMethodRule());
+        accessMethod.add(new IntroduceSecondaryIndexInsertDeleteRule());        
+        return accessMethod;
+    }
 
-    public final static List<IAlgebraicRewriteRule> buildOpPushDownRuleCollection() {
-        List<IAlgebraicRewriteRule> opPushDown = new LinkedList<IAlgebraicRewriteRule>();
-        opPushDown.add(new PushProjectDownRule());
-        opPushDown.add(new PushSelectDownRule());
-        return opPushDown;
+    public final static List<IAlgebraicRewriteRule> buildPlanCleanupRuleCollection() {
+        List<IAlgebraicRewriteRule> planCleanupRules = new LinkedList<IAlgebraicRewriteRule>();
+        planCleanupRules.add(new ExtractCommonExpressionsRule());
+        planCleanupRules.add(new PushProjectDownRule());
+        planCleanupRules.add(new PushSelectDownRule());
+        return planCleanupRules;
     }
 
     public final static List<IAlgebraicRewriteRule> buildDataExchangeRuleCollection() {
@@ -203,6 +218,9 @@
         physicalRewritesAllLevels.add(new PullPositionalVariableFromUnnestRule());
         physicalRewritesAllLevels.add(new PushProjectDownRule());
         physicalRewritesAllLevels.add(new InsertProjectBeforeUnionRule());
+        physicalRewritesAllLevels.add(new InlineSingleReferenceVariablesRule());
+        physicalRewritesAllLevels.add(new RemoveUnusedAssignAndAggregateRule());
+        physicalRewritesAllLevels.add(new ConsolidateAssignsRule());
         // After adding projects, we may need need to set physical operators again.
         physicalRewritesAllLevels.add(new SetAlgebricksPhysicalOperatorsRule());
         return physicalRewritesAllLevels;
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/AsterixInlineVariablesRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/AsterixInlineVariablesRule.java
index 302d0d7..772a1f9 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/AsterixInlineVariablesRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/AsterixInlineVariablesRule.java
@@ -14,354 +14,18 @@
  */
 package edu.uci.ics.asterix.optimizer.rules;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.apache.commons.lang3.mutable.Mutable;
-
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import edu.uci.ics.hyracks.algebricks.rewriter.rules.InlineVariablesRule;
 
-public class AsterixInlineVariablesRule implements IAlgebraicRewriteRule {
-
-    @Override
-    public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context) {
-        return false;
-    }
-
-    @Override
-    /**
-     * 
-     * Does one big DFS sweep over the plan.
-     * 
-     */
-    public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
-        if (context.checkIfInDontApplySet(this, opRef.getValue())) {
-            return false;
-        }
-        VariableSubstitutionVisitor substVisitor = new VariableSubstitutionVisitor(false);
-        VariableSubstitutionVisitor substVisitorForWrites = new VariableSubstitutionVisitor(true);
-        substVisitor.setContext(context);
-        substVisitorForWrites.setContext(context);
-        Pair<Boolean, Boolean> bb = collectEqClassesAndRemoveRedundantOps(opRef, context, true,
-                new LinkedList<EquivalenceClass>(), substVisitor, substVisitorForWrites);
-        return bb.first;
-    }
-
-    private Pair<Boolean, Boolean> collectEqClassesAndRemoveRedundantOps(Mutable<ILogicalOperator> opRef,
-            IOptimizationContext context, boolean first, List<EquivalenceClass> equivClasses,
-            VariableSubstitutionVisitor substVisitor, VariableSubstitutionVisitor substVisitorForWrites)
-            throws AlgebricksException {
-        AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
-        if (context.checkIfInDontApplySet(this, opRef.getValue())) {
-            new Pair<Boolean, Boolean>(false, false);
-        }
-        if (op.getOperatorTag() == LogicalOperatorTag.UNNEST_MAP) {
-            return new Pair<Boolean, Boolean>(false, false);
-        }
-        boolean modified = false;
-        boolean ecChange = false;
-        int cnt = 0;
-        for (Mutable<ILogicalOperator> i : op.getInputs()) {
-            boolean isOuterInputBranch = op.getOperatorTag() == LogicalOperatorTag.LEFTOUTERJOIN && cnt == 1;
-            List<EquivalenceClass> eqc = isOuterInputBranch ? new LinkedList<EquivalenceClass>() : equivClasses;
-
-            Pair<Boolean, Boolean> bb = (collectEqClassesAndRemoveRedundantOps(i, context, false, eqc, substVisitor,
-                    substVisitorForWrites));
-
-            if (bb.first) {
-                modified = true;
-            }
-            if (bb.second) {
-                ecChange = true;
-            }
-
-            if (isOuterInputBranch) {
-                if (AlgebricksConfig.DEBUG) {
-                    AlgebricksConfig.ALGEBRICKS_LOGGER.finest("--- Equivalence classes for inner branch of outer op.: "
-                            + eqc + "\n");
-                }
-                for (EquivalenceClass ec : eqc) {
-                    if (!ec.representativeIsConst()) {
-                        equivClasses.add(ec);
-                    }
-                }
-            }
-
-            ++cnt;
-        }
-        if (op.hasNestedPlans()) {
-            AbstractOperatorWithNestedPlans n = (AbstractOperatorWithNestedPlans) op;
-            List<EquivalenceClass> eqc = equivClasses;
-            if (n.getOperatorTag() == LogicalOperatorTag.SUBPLAN) {
-                eqc = new LinkedList<EquivalenceClass>();
-            } else {
-                eqc = equivClasses;
-            }
-            for (ILogicalPlan p : n.getNestedPlans()) {
-                for (Mutable<ILogicalOperator> r : p.getRoots()) {
-                    Pair<Boolean, Boolean> bb = collectEqClassesAndRemoveRedundantOps(r, context, false, eqc,
-                            substVisitor, substVisitorForWrites);
-                    if (bb.first) {
-                        modified = true;
-                    }
-                    if (bb.second) {
-                        ecChange = true;
-                    }
-                }
-            }
-        }
-        // we assume a variable is assigned a value only once
-        if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
-            AssignOperator a = (AssignOperator) op;
-            ILogicalExpression rhs = a.getExpressions().get(0).getValue();
-            if (rhs.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
-                LogicalVariable varLeft = a.getVariables().get(0);
-                VariableReferenceExpression varRef = (VariableReferenceExpression) rhs;
-                LogicalVariable varRight = varRef.getVariableReference();
-
-                EquivalenceClass ecRight = findEquivClass(varRight, equivClasses);
-                if (ecRight != null) {
-                    ecRight.addMember(varLeft);
-                } else {
-                    List<LogicalVariable> m = new LinkedList<LogicalVariable>();
-                    m.add(varRight);
-                    m.add(varLeft);
-                    EquivalenceClass ec = new EquivalenceClass(m, varRight);
-                    equivClasses.add(ec);
-                    if (AlgebricksConfig.DEBUG) {
-                        AlgebricksConfig.ALGEBRICKS_LOGGER.finest("--- New equivalence class: " + ec + "\n");
-                    }
-                }
-                ecChange = true;
-            } else if (((AbstractLogicalExpression) rhs).getExpressionTag() == LogicalExpressionTag.CONSTANT) {
-                LogicalVariable varLeft = a.getVariables().get(0);
-                List<LogicalVariable> m = new LinkedList<LogicalVariable>();
-                m.add(varLeft);
-                EquivalenceClass ec = new EquivalenceClass(m, (ConstantExpression) rhs);
-                // equivClassesForParent.add(ec);
-                equivClasses.add(ec);
-                ecChange = true;
-            }
-        } else if (op.getOperatorTag() == LogicalOperatorTag.GROUP && !(context.checkIfInDontApplySet(this, op))) {
-            GroupByOperator group = (GroupByOperator) op;
-            Pair<Boolean, Boolean> r1 = processVarExprPairs(group.getGroupByList(), equivClasses);
-            Pair<Boolean, Boolean> r2 = processVarExprPairs(group.getDecorList(), equivClasses);
-            modified = modified || r1.first || r2.first;
-            ecChange = r1.second || r2.second;
-        }
-        if (op.getOperatorTag() == LogicalOperatorTag.PROJECT) {
-            assignVarsNeededByProject((ProjectOperator) op, equivClasses, context);
-        } else {
-            boolean assignRecord = false;
-            if (op.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
-                AssignOperator assignOp = (AssignOperator) op;
-                List<Mutable<ILogicalExpression>> exprRefs = assignOp.getExpressions();
-                for (Mutable<ILogicalExpression> exprRef : exprRefs) {
-                    ILogicalExpression expr = exprRef.getValue();
-                    if (expr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
-                        ScalarFunctionCallExpression funExpr = (ScalarFunctionCallExpression) expr;
-                        if (funExpr.getFunctionIdentifier().equals(AsterixBuiltinFunctions.OPEN_RECORD_CONSTRUCTOR)
-                                || funExpr.getFunctionIdentifier().equals(AsterixBuiltinFunctions.CLOSED_RECORD_CONSTRUCTOR)) {
-                            assignRecord = true;
-                            break;
-                        }
-
-                    }
-                }
-            }
-
-            if (op.getOperatorTag() == LogicalOperatorTag.WRITE
-                    || op.getOperatorTag() == LogicalOperatorTag.INSERT_DELETE
-                    || op.getOperatorTag() == LogicalOperatorTag.INDEX_INSERT_DELETE
-                    || op.getOperatorTag() == LogicalOperatorTag.WRITE_RESULT || assignRecord) {
-                substVisitorForWrites.setEquivalenceClasses(equivClasses);
-                if (op.acceptExpressionTransform(substVisitorForWrites)) {
-                    modified = true;
-                }
-            } else {
-                substVisitor.setEquivalenceClasses(equivClasses);
-                if (op.acceptExpressionTransform(substVisitor)) {
-                    modified = true;
-                    if (op.getOperatorTag() == LogicalOperatorTag.GROUP) {
-                        GroupByOperator group = (GroupByOperator) op;
-                        for (Pair<LogicalVariable, Mutable<ILogicalExpression>> gp : group.getGroupByList()) {
-                            if (gp.first != null
-                                    && gp.second.getValue().getExpressionTag() == LogicalExpressionTag.VARIABLE) {
-                                LogicalVariable gv = ((VariableReferenceExpression) gp.second.getValue())
-                                        .getVariableReference();
-                                Iterator<Pair<LogicalVariable, Mutable<ILogicalExpression>>> iter = group.getDecorList()
-                                        .iterator();
-                                while (iter.hasNext()) {
-                                    Pair<LogicalVariable, Mutable<ILogicalExpression>> dp = iter.next();
-                                    if (dp.first == null
-                                            && dp.second.getValue().getExpressionTag() == LogicalExpressionTag.VARIABLE) {
-                                        LogicalVariable dv = ((VariableReferenceExpression) dp.second.getValue())
-                                                .getVariableReference();
-                                        if (dv == gv) {
-                                            // The decor variable is redundant,
-                                            // since it is
-                                            // propagated as a grouping
-                                            // variable.
-                                            EquivalenceClass ec1 = findEquivClass(gv, equivClasses);
-                                            if (ec1 != null) {
-                                                ec1.addMember(gp.first);
-                                                ec1.setVariableRepresentative(gp.first);
-                                            } else {
-                                                List<LogicalVariable> varList = new ArrayList<LogicalVariable>();
-                                                varList.add(gp.first);
-                                                varList.add(gv);
-                                                ec1 = new EquivalenceClass(varList, gp.first);
-                                            }
-                                            iter.remove();
-                                            break;
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        return new Pair<Boolean, Boolean>(modified, ecChange);
-    }
-
-    private Pair<Boolean, Boolean> processVarExprPairs(List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> vePairs,
-            List<EquivalenceClass> equivClasses) {
-        boolean ecFromGroup = false;
-        boolean modified = false;
-        for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : vePairs) {
-            ILogicalExpression expr = p.second.getValue();
-            if (p.first != null && expr.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
-                VariableReferenceExpression varRef = (VariableReferenceExpression) expr;
-                LogicalVariable rhsVar = varRef.getVariableReference();
-                ecFromGroup = true;
-                EquivalenceClass ecRight = findEquivClass(rhsVar, equivClasses);
-                if (ecRight != null) {
-                    LogicalVariable replacingVar = ecRight.getVariableRepresentative();
-                    if (replacingVar != null && replacingVar != rhsVar) {
-                        varRef.setVariable(replacingVar);
-                        modified = true;
-                    }
-                }
-            }
-        }
-        return new Pair<Boolean, Boolean>(modified, ecFromGroup);
-    }
-
-    // Instead of doing this, we could make Projection to be more expressive and
-    // also take constants (or even expression), at the expense of a more
-    // complex project push down.
-    private void assignVarsNeededByProject(ProjectOperator op, List<EquivalenceClass> equivClasses,
-            IOptimizationContext context) throws AlgebricksException {
-        List<LogicalVariable> prVars = op.getVariables();
-        int sz = prVars.size();
-        for (int i = 0; i < sz; i++) {
-            EquivalenceClass ec = findEquivClass(prVars.get(i), equivClasses);
-            if (ec != null) {
-                if (!ec.representativeIsConst()) {
-                    prVars.set(i, ec.getVariableRepresentative());
-                }
-            }
-        }
-    }
-
-    private final static EquivalenceClass findEquivClass(LogicalVariable var, List<EquivalenceClass> equivClasses) {
-        for (EquivalenceClass ec : equivClasses) {
-            if (ec.contains(var)) {
-                return ec;
-            }
-        }
-        return null;
-    }
-
-    private class VariableSubstitutionVisitor implements ILogicalExpressionReferenceTransform {
-        private List<EquivalenceClass> equivClasses;
-        private IOptimizationContext context;
-        private final boolean doNotSubstWithConst;
-
-        public VariableSubstitutionVisitor(boolean doNotSubstWithConst) {
-            this.doNotSubstWithConst = doNotSubstWithConst;
-        }
-
-        public void setContext(IOptimizationContext context) {
-            this.context = context;
-        }
-
-        public void setEquivalenceClasses(List<EquivalenceClass> equivClasses) {
-            this.equivClasses = equivClasses;
-        }
-
-        @Override
-        public boolean transform(Mutable<ILogicalExpression> exprRef) {
-            ILogicalExpression e = exprRef.getValue();
-            switch (((AbstractLogicalExpression) e).getExpressionTag()) {
-                case VARIABLE: {
-                    // look for a required substitution
-                    LogicalVariable var = ((VariableReferenceExpression) e).getVariableReference();
-                    if (context.shouldNotBeInlined(var)) {
-                        return false;
-                    }
-                    EquivalenceClass ec = findEquivClass(var, equivClasses);
-                    if (ec == null) {
-                        return false;
-                    }
-                    if (ec.representativeIsConst()) {
-                        if (doNotSubstWithConst) {
-                            return false;
-                        }
-                        exprRef.setValue(ec.getConstRepresentative());
-                        return true;
-                    } else {
-                        LogicalVariable r = ec.getVariableRepresentative();
-                        if (!r.equals(var)) {
-                            exprRef.setValue(new VariableReferenceExpression(r));
-                            return true;
-                        } else {
-                            return false;
-                        }
-                    }
-                }
-                case FUNCTION_CALL: {
-                    AbstractFunctionCallExpression fce = (AbstractFunctionCallExpression) e;
-                    boolean m = false;
-                    for (Mutable<ILogicalExpression> arg : fce.getArguments()) {
-                        if (transform(arg)) {
-                            m = true;
-                        }
-                    }
-                    return m;
-                }
-                default: {
-                    return false;
-                }
-            }
-        }
-
+public class AsterixInlineVariablesRule extends InlineVariablesRule {
+    
+    public AsterixInlineVariablesRule() {
+        // Do not inline field accesses because doing so would interfere with our access method rewrites.
+        // TODO: For now we must also exclude record constructor functions to avoid breaking our type casting rules
+        // IntroduceStaticTypeCastRule and IntroduceDynamicTypeCastRule. 
+        doNotInlineFuncs.add(AsterixBuiltinFunctions.FIELD_ACCESS_BY_NAME);
+        doNotInlineFuncs.add(AsterixBuiltinFunctions.FIELD_ACCESS_BY_INDEX);
+        doNotInlineFuncs.add(AsterixBuiltinFunctions.CLOSED_RECORD_CONSTRUCTOR);
+        doNotInlineFuncs.add(AsterixBuiltinFunctions.OPEN_RECORD_CONSTRUCTOR);
     }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetClosedRecordConstructorsRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetClosedRecordConstructorsRule.java
index dc00fe1..c121ff6 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetClosedRecordConstructorsRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetClosedRecordConstructorsRule.java
@@ -142,7 +142,11 @@
         @Override
         public ClosedDataInfo visitVariableReferenceExpression(VariableReferenceExpression expr, Void arg)
                 throws AlgebricksException {
-            boolean dataIsClosed = isClosedRec((IAType) env.getVarType(expr.getVariableReference()));
+            Object varType = env.getVarType(expr.getVariableReference());
+            if (varType == null) {
+                throw new AlgebricksException("Could not infer type for variable '" + expr.getVariableReference() + "'.");
+            }
+            boolean dataIsClosed = isClosedRec((IAType) varType);
             return new ClosedDataInfo(false, dataIsClosed, expr);
         }
 
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SimilarityCheckRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SimilarityCheckRule.java
index 5726ce3..c90b3f1 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SimilarityCheckRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SimilarityCheckRule.java
@@ -54,8 +54,12 @@
         // Gather assigns below this select.
         List<AssignOperator> assigns = new ArrayList<AssignOperator>();
         AbstractLogicalOperator childOp = (AbstractLogicalOperator) select.getInputs().get(0).getValue();
+        // Skip selects.
+        while (childOp.getOperatorTag() == LogicalOperatorTag.SELECT) {
+            childOp = (AbstractLogicalOperator) childOp.getInputs().get(0).getValue();
+        }
         while (childOp.getOperatorTag() == LogicalOperatorTag.ASSIGN) {
-        	assigns.add((AssignOperator) childOp);
+            assigns.add((AssignOperator) childOp);
         	childOp = (AbstractLogicalOperator) childOp.getInputs().get(0).getValue();
         }
         return replaceSelectConditionExprs(condExpr, assigns, context);
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
index b378ed7..6efcabd 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AbstractIntroduceAccessMethodRule.java
@@ -124,13 +124,13 @@
         Iterator<Map.Entry<Index, List<Integer>>> it = analysisCtx.indexExprs.entrySet().iterator();
         while (it.hasNext()) {
             Map.Entry<Index, List<Integer>> entry = it.next();
-            Index index = entry.getKey();
-            Iterator<Integer> exprsIter = entry.getValue().iterator();
+            Index index = entry.getKey();            
             boolean allUsed = true;
             int lastFieldMatched = -1;
             for (int i = 0; i < index.getKeyFieldNames().size(); i++) {
                 String keyField = index.getKeyFieldNames().get(i);
                 boolean foundKeyField = false;
+                Iterator<Integer> exprsIter = entry.getValue().iterator();
                 while (exprsIter.hasNext()) {
                     Integer ix = exprsIter.next();
                     IOptimizableFuncExpr optFuncExpr = analysisCtx.matchedFuncExprs.get(ix);
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
index f547010..1715c97 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
@@ -50,7 +50,6 @@
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
@@ -430,19 +429,12 @@
         topSelect.getInputs().add(indexSubTree.rootRef);
         topSelect.setExecutionMode(ExecutionMode.LOCAL);
         context.computeAndSetTypeEnvironmentForOperator(topSelect);
-
-        // Add a project operator on top to guarantee that our new index-based plan returns exactly the same variables as the original plan.
-        ProjectOperator projectOp = new ProjectOperator(originalLiveVars);
-        projectOp.getInputs().add(new MutableObject<ILogicalOperator>(topSelect));
-        projectOp.setExecutionMode(ExecutionMode.LOCAL);
-        context.computeAndSetTypeEnvironmentForOperator(projectOp);
-        joinRef.setValue(projectOp);
+        joinRef.setValue(topSelect);
 
         // Hook up the indexed-nested loop join path with the "panic" (non indexed) nested-loop join path by putting a union all on top.
         if (panicJoinRef != null) {
             // Gather live variables from the index plan and the panic plan.
-            List<LogicalVariable> indexPlanLiveVars = new ArrayList<LogicalVariable>();
-            VariableUtilities.getLiveVariables(joinRef.getValue(), indexPlanLiveVars);
+            List<LogicalVariable> indexPlanLiveVars = originalLiveVars;
             List<LogicalVariable> panicPlanLiveVars = new ArrayList<LogicalVariable>();
             VariableUtilities.getLiveVariables(panicJoinRef.getValue(), panicPlanLiveVars);
             if (indexPlanLiveVars.size() != panicPlanLiveVars.size()) {
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
index 57b2ff0..bcc77c8 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
@@ -101,7 +101,9 @@
         defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
                 RuleCollections.buildConsolidationRuleCollection()));
         defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
-                RuleCollections.buildOpPushDownRuleCollection()));
+                RuleCollections.buildAccessMethodRuleCollection()));
+        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
+                RuleCollections.buildPlanCleanupRuleCollection()));
         return defaultLogicalRewrites;
     }
 
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance-check_04.aql
new file mode 100644
index 0000000..35aa124
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance-check_04.aql
@@ -0,0 +1,33 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the edit-distance-check function of its authors.
+ *                  DBLP has a 3-gram index on authors, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(authors) type ngram(3);
+
+write output to nc1:"rttest/inverted-index-join_ngram-edit-distance-check_04.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $ed := edit-distance-check($a.authors, $b.authors, 3)
+where $ed[0] and $a.id < $b.id
+return {"arec": $a, "brec": $b, "ed": $ed[1] }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance_04.aql
new file mode 100644
index 0000000..e33e92c
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-edit-distance_04.aql
@@ -0,0 +1,34 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the edit-distance function of its authors.
+ *                  DBLP has a 3-gram index on authors, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index. 
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(authors) type ngram(3);
+
+write output to nc1:"rttest/inverted-index-join_ngram-edit-distance_03.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $ed := edit-distance($a.authors, $b.authors)
+where $ed < 3 and $a.id < $b.id
+return {"arec": $a, "brec": $b, "ed": $ed}
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql
new file mode 100644
index 0000000..13c0625
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql
@@ -0,0 +1,34 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the similarity-jaccard-check function of its titles' 3-gram tokens.
+ *                  DBLP has a 3-gram index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(title) type ngram(3);
+
+write output to nc1:"rttest/inverted-index-join_ngram-jaccard-check_04.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $jacc := similarity-jaccard-check(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false), 0.5f)
+where $jacc[0] and $a.id < $b.id
+return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql
new file mode 100644
index 0000000..5d3eeef
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql
@@ -0,0 +1,34 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the similarity-jaccard function of its titles' 3-gram tokens.
+ *                  DBLP has a 3-gram index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(title) type ngram(3);
+
+write output to nc1:"rttest/inverted-index-join_ngram-jaccard_04.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $jacc := similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false))
+where $jacc >= 0.5f and $a.id < $b.id
+return {"arec": $a, "brec": $b, "jacc": $jacc }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance-check_04.aql
new file mode 100644
index 0000000..7b2c0df
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance-check_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the edit-distance-check function of its interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_olist-edit-distance-check_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $ed := edit-distance-check($a.interests, $b.interests, 3)
+where $ed[0] and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "ed": $ed[1] }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance_04.aql
new file mode 100644
index 0000000..10763e3
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-edit-distance_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the edit-distance function of its interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_olist-edit-distance_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $ed := edit-distance($a.interests, $b.interests)
+where $ed <= 2 and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "ed": $ed }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard-check_04.aql
new file mode 100644
index 0000000..e3c03f8
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard-check_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the similarity-jaccard-check function of its interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_olist-jaccard-check_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $jacc := /*+ indexnl */ similarity-jaccard-check($a.interests, $b.interests, 0.7f)
+where $jacc[0] and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard_04.aql
new file mode 100644
index 0000000..748783c
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/olist-jaccard_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the similarity-jaccard function of its interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_olist-jaccard_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $jacc := /*+ indexnl */ similarity-jaccard($a.interests, $b.interests)
+where $jacc >= 0.7f and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "jacc": $jacc }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard-check_04.aql
new file mode 100644
index 0000000..0a43b01
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard-check_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the similarity-jaccard-check function of its interest sets.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: {{string}},
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_ulist-jaccard-check_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $jacc := /*+ indexnl */ similarity-jaccard-check($a.interests, $b.interests, 0.7f)
+where $jacc[0] and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard_04.aql
new file mode 100644
index 0000000..e984c7f
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ulist-jaccard_04.aql
@@ -0,0 +1,41 @@
+/*
+ * Description    : Fuzzy self joins a dataset, Customers, based on the similarity-jaccard function of its interest sets.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: {{string}},
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_ulist-jaccard_04.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers')
+let $jacc := /*+ indexnl */ similarity-jaccard($a.interests, $b.interests)
+where $jacc >= 0.7f and $a.cid < $b.cid
+return {"arec": $a, "brec": $b, "jacc": $jacc }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard-check_04.aql
new file mode 100644
index 0000000..17b1262
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard-check_04.aql
@@ -0,0 +1,34 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the similarity-jaccard-check function of its titles' word tokens.
+ *                  DBLP has a keyword index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index keyword_index on DBLP(title) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_word-jaccard-check_04.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $jacc := similarity-jaccard-check(word-tokens($a.title), word-tokens($b.title), 0.5f)
+where $jacc[0] and $a.id < $b.id
+return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard_04.aql
new file mode 100644
index 0000000..20fefbb
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/word-jaccard_04.aql
@@ -0,0 +1,34 @@
+/*
+ * Description    : Fuzzy self joins a dataset, DBLP, based on the similarity-jaccard function of its titles' word tokens.
+ *                  DBLP has a keyword index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index keyword_index on DBLP(title) type keyword;
+
+write output to nc1:"rttest/inverted-index-join_word-jaccard_04.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('DBLP')
+let $jacc := similarity-jaccard(word-tokens($a.title), word-tokens($b.title))
+where $jacc >= 0.5f and $a.id < $b.id
+return {"arec": $a, "brec": $b, "jacc": $jacc }
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-31.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-31.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-31.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-31.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-32.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-32.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-32.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-32.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-33.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-33.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-33.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-33.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-34.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-34.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-34.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-34.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-35.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-35.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-35.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-35.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-36.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-36.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-36.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-36.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-37.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-37.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-37.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-37.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-39.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-39.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-39.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-39.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-40.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-40.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-40.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-40.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-41.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-41.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-41.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-41.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-42.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-42.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-42.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-42.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-43.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-43.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-43.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-43.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-44.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-44.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-44.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-44.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
index 107ed56..22b26c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$20(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
index 107ed56..22b26c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$20(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-47.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-47.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-47.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-47.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-48.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-48.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-48.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-48.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
index 107ed56..22b26c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$20(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
index 107ed56..22b26c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$20(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
index 107ed56..22b26c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$20(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
index cb0d369..4f9f4ba 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$13(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$12(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
index cb0d369..4f9f4ba 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
@@ -4,7 +4,7 @@
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- BTREE_SEARCH  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-            -- STABLE_SORT [$$13(ASC)]  |LOCAL|
+            -- STABLE_SORT [$$12(ASC)]  |LOCAL|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-complex.plan b/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-complex.plan
index f3e404f..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-complex.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-complex.plan
@@ -4,9 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-simple.plan b/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-simple.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-simple.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/consolidate-selects-simple.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/count-tweets.plan b/asterix-app/src/test/resources/optimizerts/results/count-tweets.plan
index 4f1d53f..927acdd 100644
--- a/asterix-app/src/test/resources/optimizerts/results/count-tweets.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/count-tweets.plan
@@ -20,8 +20,7 @@
                       -- STREAM_PROJECT  |PARTITIONED|
                         -- UNNEST  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/denorm-cust-order.plan b/asterix-app/src/test/resources/optimizerts/results/denorm-cust-order.plan
index 347a895..c48c00c 100644
--- a/asterix-app/src/test/resources/optimizerts/results/denorm-cust-order.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/denorm-cust-order.plan
@@ -3,17 +3,17 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- PRE_CLUSTERED_GROUP_BY[$$15]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$16]  |PARTITIONED|
                   {
                     -- AGGREGATE  |LOCAL|
                       -- NESTED_TUPLE_SOURCE  |LOCAL|
                   }
             -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STABLE_SORT [$$15(ASC)]  |LOCAL|
+              -- STABLE_SORT [$$16(ASC)]  |LOCAL|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                   -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- HYBRID_HASH_JOIN [$$15][$$19]  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$16][$$19]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- DATASOURCE_SCAN  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/fj-dblp-csx.plan b/asterix-app/src/test/resources/optimizerts/results/fj-dblp-csx.plan
index 3d1699e..edfabb8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/fj-dblp-csx.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/fj-dblp-csx.plan
@@ -33,11 +33,10 @@
                                               -- STREAM_PROJECT  |PARTITIONED|
                                                 -- UNNEST  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                               -- STREAM_PROJECT  |UNPARTITIONED|
                                                 -- ASSIGN  |UNPARTITIONED|
@@ -72,11 +71,10 @@
                                               -- STREAM_PROJECT  |PARTITIONED|
                                                 -- UNNEST  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                               -- SPLIT  |PARTITIONED|
                                                 -- HASH_PARTITION_EXCHANGE [$$35]  |PARTITIONED|
@@ -87,4 +85,4 @@
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             -- DATASOURCE_SCAN  |PARTITIONED|
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/fj-phase2-with-hints.plan b/asterix-app/src/test/resources/optimizerts/results/fj-phase2-with-hints.plan
index ef6d4e3..273b25d 100644
--- a/asterix-app/src/test/resources/optimizerts/results/fj-phase2-with-hints.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/fj-phase2-with-hints.plan
@@ -21,11 +21,10 @@
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- UNNEST  |PARTITIONED|
                                 -- ASSIGN  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           -- BROADCAST_EXCHANGE  |PARTITIONED|
                             -- RUNNING_AGGREGATE  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -50,4 +49,4 @@
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/inlined_q18_large_volume_customer.plan b/asterix-app/src/test/resources/optimizerts/results/inlined_q18_large_volume_customer.plan
index 81b10a9..47986a9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inlined_q18_large_volume_customer.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inlined_q18_large_volume_customer.plan
@@ -7,31 +7,31 @@
             -- ONE_TO_ONE_EXCHANGE  |LOCAL|
               -- STABLE_SORT [$$12(DESC), $$11(ASC)]  |LOCAL|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$73, $$74]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$72, $$73]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
-                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$73(ASC), $$74(ASC)] HASH:[$$73, $$74]  |PARTITIONED|
-                      -- PRE_CLUSTERED_GROUP_BY[$$54, $$55]  |LOCAL|
+                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$72(ASC), $$73(ASC)] HASH:[$$72, $$73]  |PARTITIONED|
+                      -- PRE_CLUSTERED_GROUP_BY[$$56, $$57]  |LOCAL|
                               {
                                 -- AGGREGATE  |LOCAL|
                                   -- NESTED_TUPLE_SOURCE  |LOCAL|
                               }
                         -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                          -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |LOCAL|
+                          -- STABLE_SORT [$$56(ASC), $$57(ASC)]  |LOCAL|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- HYBRID_HASH_JOIN [$$55][$$58]  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$57][$$60]  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                       -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- HYBRID_HASH_JOIN [$$55][$$4]  |PARTITIONED|
-                                            -- HASH_PARTITION_EXCHANGE [$$55]  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$57][$$4]  |PARTITIONED|
+                                            -- HASH_PARTITION_EXCHANGE [$$57]  |PARTITIONED|
                                               -- STREAM_PROJECT  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- HYBRID_HASH_JOIN [$$54][$$63]  |PARTITIONED|
+                                                  -- HYBRID_HASH_JOIN [$$56][$$64]  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- STREAM_PROJECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
@@ -39,7 +39,7 @@
                                                             -- DATASOURCE_SCAN  |PARTITIONED|
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                    -- HASH_PARTITION_EXCHANGE [$$63]  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$64]  |PARTITIONED|
                                                       -- STREAM_PROJECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -50,13 +50,13 @@
                                               -- STREAM_PROJECT  |PARTITIONED|
                                                 -- STREAM_SELECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- PRE_CLUSTERED_GROUP_BY[$$70]  |PARTITIONED|
+                                                    -- PRE_CLUSTERED_GROUP_BY[$$69]  |PARTITIONED|
                                                             {
                                                               -- AGGREGATE  |LOCAL|
                                                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                                                             }
-                                                      -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$70(ASC)] HASH:[$$70]  |PARTITIONED|
-                                                        -- PRE_CLUSTERED_GROUP_BY[$$56]  |LOCAL|
+                                                      -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$69(ASC)] HASH:[$$69]  |PARTITIONED|
+                                                        -- PRE_CLUSTERED_GROUP_BY[$$58]  |LOCAL|
                                                                 {
                                                                   -- AGGREGATE  |LOCAL|
                                                                     -- NESTED_TUPLE_SOURCE  |LOCAL|
@@ -70,7 +70,7 @@
                                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                    -- HASH_PARTITION_EXCHANGE [$$58]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$60]  |PARTITIONED|
                                       -- STREAM_PROJECT  |UNPARTITIONED|
                                         -- ASSIGN  |UNPARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains-panic.plan
index 4efec2d..ba99e55 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains-panic.plan
@@ -3,8 +3,7 @@
     -- SORT_MERGE_EXCHANGE [$$5(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains.plan
index 356b847..a03829e 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-contains.plan
@@ -3,15 +3,14 @@
     -- SORT_MERGE_EXCHANGE [$$5(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check-panic.plan
index 3babdef..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check-panic.plan
@@ -2,9 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
index f3b90fe..a492d19 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$8(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$8(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-panic.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-panic.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance.plan
index f3b90fe..a492d19 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$8(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$8(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
index 77c98be..215d368 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$7(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$7(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-jaccard.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
index 5f5331c..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$10(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard.plan
index 5f5331c..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$10(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check-panic.plan
index 4c01aae..a06af62 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check-panic.plan
@@ -3,8 +3,7 @@
     -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
index e0176c7..93cdf12 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
@@ -3,15 +3,14 @@
     -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$11(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-panic.plan
index 4c01aae..a06af62 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-panic.plan
@@ -3,8 +3,7 @@
     -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance.plan
index e0176c7..93cdf12 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance.plan
@@ -3,15 +3,14 @@
     -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$11(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
index 854f188..26831cd 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
@@ -3,15 +3,14 @@
     -- SORT_MERGE_EXCHANGE [$$6(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$10(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-jaccard.plan
index f3b90fe..a492d19 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$8(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$8(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
index f3b90fe..a492d19 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$8(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$8(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard-check.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard-check.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-contains.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-contains.plan
index 4efec2d..ba99e55 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-contains.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-contains.plan
@@ -3,8 +3,7 @@
     -- SORT_MERGE_EXCHANGE [$$5(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-fuzzyeq-jaccard.plan
index fd84553..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-fuzzyeq-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-fuzzyeq-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$9(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
index 5f5331c..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$10(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard.plan
index 5f5331c..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$10(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
index 0e38aba..148a0a8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
@@ -3,15 +3,14 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
         -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$15(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$14(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.plan
index 0e38aba..148a0a8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.plan
@@ -3,15 +3,14 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
         -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$15(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$14(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic.plan
index 3babdef..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic.plan
@@ -2,9 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- DATASOURCE_SCAN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
index 816c9f0..88dfaa2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
@@ -2,16 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$9(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-let.plan
index db6d7f0..395c9d9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-let.plan
@@ -2,16 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
index a2ce938..20cfea3 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
@@ -4,16 +4,14 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                      -- STABLE_SORT [$$14(ASC)]  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$16(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let-panic.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let-panic.plan
index 1d1f5ca..065eb8d 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let-panic.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let-panic.plan
@@ -3,9 +3,7 @@
     -- SORT_MERGE_EXCHANGE [$$8(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- DATASOURCE_SCAN  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let.plan
index 543d70d..b2ab9f1 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let.plan
@@ -3,16 +3,14 @@
     -- SORT_MERGE_EXCHANGE [$$8(ASC) ]  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$12(ASC)]  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$12(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
+                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
index 19748ce..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
@@ -2,16 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ulist-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ulist-jaccard-check-let.plan
index 19748ce..427cded 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ulist-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ulist-jaccard-check-let.plan
@@ -2,16 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$10(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
index db6d7f0..395c9d9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
@@ -2,16 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-multi-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-multi-let.plan
index a2ce938..20cfea3 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-multi-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-multi-let.plan
@@ -4,16 +4,14 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                      -- STABLE_SORT [$$14(ASC)]  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$16(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+                          -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_01.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_02.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_03.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_04.plan
new file mode 100644
index 0000000..e089606
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance-check_04.plan
@@ -0,0 +1,44 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- UNION_ALL  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
+                -- STREAM_SELECT  |LOCAL|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STABLE_SORT [$$27(ASC)]  |LOCAL|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- NESTED_LOOP  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- ASSIGN  |UNPARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                      -- DATASOURCE_SCAN  |UNPARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STREAM_SELECT  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SPLIT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_01.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_02.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_03.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_04.plan
new file mode 100644
index 0000000..e089606
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-edit-distance_04.plan
@@ -0,0 +1,44 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- UNION_ALL  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
+                -- STREAM_SELECT  |LOCAL|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STABLE_SORT [$$27(ASC)]  |LOCAL|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- NESTED_LOOP  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- ASSIGN  |UNPARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                      -- DATASOURCE_SCAN  |UNPARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STREAM_SELECT  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SPLIT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_01.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_02.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_03.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-edit-distance_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_01.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_02.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_03.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-fuzzyeq-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_01.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_02.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_03.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_04.plan
new file mode 100644
index 0000000..bb2be42
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard-check_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$26(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_01.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_02.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_03.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_04.plan
new file mode 100644
index 0000000..bb2be42
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ngram-jaccard_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$26(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_01.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_02.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_03.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_04.plan
new file mode 100644
index 0000000..e089606
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance-check_04.plan
@@ -0,0 +1,44 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- UNION_ALL  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
+                -- STREAM_SELECT  |LOCAL|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STABLE_SORT [$$27(ASC)]  |LOCAL|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- NESTED_LOOP  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- ASSIGN  |UNPARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                      -- DATASOURCE_SCAN  |UNPARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STREAM_SELECT  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SPLIT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_01.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_02.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_03.plan
index b9f157b..cdd1eb7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_04.plan
new file mode 100644
index 0000000..e089606
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-edit-distance_04.plan
@@ -0,0 +1,44 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- UNION_ALL  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
+                -- STREAM_SELECT  |LOCAL|
+                  -- ASSIGN  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                          -- STABLE_SORT [$$27(ASC)]  |LOCAL|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- NESTED_LOOP  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- ASSIGN  |UNPARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                      -- DATASOURCE_SCAN  |UNPARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STREAM_SELECT  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- SPLIT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_01.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_01.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_02.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_02.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_03.plan
index 29e7a4f..3b8e18b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-edit-distance_03.plan
@@ -4,8 +4,8 @@
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
           -- UNION_ALL  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STREAM_PROJECT  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+              -- STREAM_PROJECT  |UNPARTITIONED|
                 -- STREAM_SELECT  |LOCAL|
                   -- ASSIGN  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_01.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_02.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_03.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-fuzzyeq-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_01.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_02.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_03.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_04.plan
new file mode 100644
index 0000000..08d6030
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard-check_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$24(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_01.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_02.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_03.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_04.plan
new file mode 100644
index 0000000..08d6030
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/olist-jaccard_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$24(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_01.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_02.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_03.plan
index 8e5b300..70a87d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-fuzzyeq-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$18(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$18(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_01.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_02.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_03.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_04.plan
new file mode 100644
index 0000000..08d6030
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard-check_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$24(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_01.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_02.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_03.plan
index 9a4269c..9b7dbc6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$19(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_04.plan
new file mode 100644
index 0000000..08d6030
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/ulist-jaccard_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$24(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_01.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_02.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_03.plan
index 9765cbb..dfca992 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-fuzzyeq-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_01.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_02.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_03.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_04.plan
new file mode 100644
index 0000000..bb2be42
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$26(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_01.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_01.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_02.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_02.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_02.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_03.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_03.plan
index 64a8027..b46eceb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_03.plan
@@ -2,18 +2,16 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |LOCAL|
-          -- STREAM_SELECT  |LOCAL|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$21(ASC)]  |LOCAL|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- INVERTED_INDEX_SEARCH  |PARTITIONED|
-                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_04.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_04.plan
new file mode 100644
index 0000000..bb2be42
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard_04.plan
@@ -0,0 +1,18 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |LOCAL|
+          -- ASSIGN  |LOCAL|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                  -- STABLE_SORT [$$26(ASC)]  |LOCAL|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- INVERTED_INDEX_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/join-super-key_01.plan b/asterix-app/src/test/resources/optimizerts/results/join-super-key_01.plan
index 7f3d6d7..f5f0063 100644
--- a/asterix-app/src/test/resources/optimizerts/results/join-super-key_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/join-super-key_01.plan
@@ -3,15 +3,15 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- HYBRID_HASH_JOIN [$$20, $$22, $$16][$$19, $$23, $$18]  |PARTITIONED|
-            -- HASH_PARTITION_EXCHANGE [$$20, $$22, $$16]  |PARTITIONED|
+          -- HYBRID_HASH_JOIN [$$17, $$22, $$24][$$19, $$23, $$20]  |PARTITIONED|
+            -- HASH_PARTITION_EXCHANGE [$$17, $$22, $$24]  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                     -- DATASOURCE_SCAN  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-            -- HASH_PARTITION_EXCHANGE [$$19, $$23, $$18]  |PARTITIONED|
+            -- HASH_PARTITION_EXCHANGE [$$19, $$23, $$20]  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/join-super-key_02.plan b/asterix-app/src/test/resources/optimizerts/results/join-super-key_02.plan
index eb5e8c8..6476e6c 100644
--- a/asterix-app/src/test/resources/optimizerts/results/join-super-key_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/join-super-key_02.plan
@@ -3,7 +3,7 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- HYBRID_HASH_JOIN [$$17, $$23, $$16][$$20, $$22, $$18]  |PARTITIONED|
+          -- HYBRID_HASH_JOIN [$$17, $$23, $$18][$$19, $$22, $$24]  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
@@ -11,7 +11,7 @@
                     -- DATASOURCE_SCAN  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-            -- HASH_PARTITION_EXCHANGE [$$18, $$20]  |PARTITIONED|
+            -- HASH_PARTITION_EXCHANGE [$$19, $$24]  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan b/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
index 2b19a64..a89ceb8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$23(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$21(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_01.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_01.plan
index 6e22ff1..559f0d1 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_01.plan
@@ -1,14 +1,14 @@
 -- SINK_WRITE  |PARTITIONED|
   -- STREAM_PROJECT  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- SORT_MERGE_EXCHANGE [$$11(ASC) ]  |PARTITIONED|
+      -- SORT_MERGE_EXCHANGE [$$12(ASC) ]  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- BTREE_SEARCH  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_02.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_02.plan
index 2a501cf..685d093 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_02.plan
@@ -1,14 +1,14 @@
 -- SINK_WRITE  |PARTITIONED|
   -- STREAM_PROJECT  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- SORT_MERGE_EXCHANGE [$$12(ASC) ]  |PARTITIONED|
+      -- SORT_MERGE_EXCHANGE [$$14(ASC) ]  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- BTREE_SEARCH  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_01.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_01.plan
index c9d9f78..559f0d1 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_01.plan
@@ -1,18 +1,18 @@
 -- SINK_WRITE  |PARTITIONED|
   -- STREAM_PROJECT  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- SORT_MERGE_EXCHANGE [$$11(ASC) ]  |PARTITIONED|
+      -- SORT_MERGE_EXCHANGE [$$12(ASC) ]  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- BTREE_SEARCH  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                    -- STABLE_SORT [$$19(ASC)]  |LOCAL|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- BTREE_SEARCH  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- ASSIGN  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_02.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_02.plan
index 85badf2..685d093 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_02.plan
@@ -1,18 +1,18 @@
 -- SINK_WRITE  |PARTITIONED|
   -- STREAM_PROJECT  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- SORT_MERGE_EXCHANGE [$$12(ASC) ]  |PARTITIONED|
+      -- SORT_MERGE_EXCHANGE [$$14(ASC) ]  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- BTREE_SEARCH  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                    -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+                    -- STABLE_SORT [$$20(ASC)]  |LOCAL|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- BTREE_SEARCH  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- ASSIGN  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
index 754f055..1397437 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$14(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$13(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
index 754f055..1397437 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
@@ -2,15 +2,14 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                -- STABLE_SORT [$$14(ASC)]  |LOCAL|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$13(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/prim-idx-search-open.plan b/asterix-app/src/test/resources/optimizerts/results/prim-idx-search-open.plan
index 4ac0fda..6cce309 100644
--- a/asterix-app/src/test/resources/optimizerts/results/prim-idx-search-open.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/prim-idx-search-open.plan
@@ -2,9 +2,8 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/prim-idx-search.plan b/asterix-app/src/test/resources/optimizerts/results/prim-idx-search.plan
index 4ac0fda..6cce309 100644
--- a/asterix-app/src/test/resources/optimizerts/results/prim-idx-search.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/prim-idx-search.plan
@@ -2,9 +2,8 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- BTREE_SEARCH  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/push_limit.plan b/asterix-app/src/test/resources/optimizerts/results/push_limit.plan
index 3400b25..21d56c6 100644
--- a/asterix-app/src/test/resources/optimizerts/results/push_limit.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/push_limit.plan
@@ -2,7 +2,7 @@
   -- STREAM_PROJECT  |UNPARTITIONED|
     -- ASSIGN  |UNPARTITIONED|
       -- STREAM_LIMIT  |UNPARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$8(ASC) ]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$9(ASC) ]  |PARTITIONED|
           -- STREAM_PROJECT  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/q2.plan b/asterix-app/src/test/resources/optimizerts/results/q2.plan
index f4cc5ec..11489a7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/q2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/q2.plan
@@ -7,21 +7,21 @@
             -- ONE_TO_ONE_EXCHANGE  |LOCAL|
               -- STABLE_SORT [$$26(DESC)]  |LOCAL|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$31]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
                           {
                             -- AGGREGATE  |LOCAL|
-                              -- MICRO_PRE_CLUSTERED_GROUP_BY[$$32]  |LOCAL|
+                              -- MICRO_PRE_CLUSTERED_GROUP_BY[$$33]  |LOCAL|
                                       {
                                         -- AGGREGATE  |LOCAL|
                                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                                       }
                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
-                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$31(ASC), $$32(ASC)] HASH:[$$31]  |PARTITIONED|
+                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$32(ASC), $$33(ASC)] HASH:[$$32]  |PARTITIONED|
                       -- PRE_CLUSTERED_GROUP_BY[$$23, $$24]  |LOCAL|
                               {
                                 -- AGGREGATE  |LOCAL|
@@ -37,4 +37,4 @@
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/q3_shipping_priority.plan b/asterix-app/src/test/resources/optimizerts/results/q3_shipping_priority.plan
index 80badee..3f105d7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/q3_shipping_priority.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/q3_shipping_priority.plan
@@ -2,18 +2,18 @@
   -- STREAM_PROJECT  |UNPARTITIONED|
     -- ASSIGN  |UNPARTITIONED|
       -- STREAM_LIMIT  |UNPARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$44(DESC), $$4(ASC) ]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$46(DESC), $$4(ASC) ]  |PARTITIONED|
           -- STREAM_LIMIT  |LOCAL|
             -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STABLE_SORT [$$44(DESC), $$4(ASC)]  |LOCAL|
+              -- STABLE_SORT [$$46(DESC), $$4(ASC)]  |LOCAL|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- EXTERNAL_GROUP_BY[$$55, $$56, $$57]  |PARTITIONED|
+                  -- EXTERNAL_GROUP_BY[$$56, $$57, $$58]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
-                    -- HASH_PARTITION_EXCHANGE [$$55, $$56, $$57]  |PARTITIONED|
-                      -- EXTERNAL_GROUP_BY[$$42, $$46, $$39]  |LOCAL|
+                    -- HASH_PARTITION_EXCHANGE [$$56, $$57, $$58]  |PARTITIONED|
+                      -- EXTERNAL_GROUP_BY[$$44, $$41, $$39]  |LOCAL|
                               {
                                 -- AGGREGATE  |LOCAL|
                                   -- NESTED_TUPLE_SOURCE  |LOCAL|
@@ -21,29 +21,27 @@
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- HYBRID_HASH_JOIN [$$41][$$42]  |PARTITIONED|
-                                -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$43][$$44]  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$43]  |PARTITIONED|
                                   -- STREAM_PROJECT  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- HYBRID_HASH_JOIN [$$40][$$48]  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$42][$$50]  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- STREAM_PROJECT  |PARTITIONED|
                                             -- STREAM_SELECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$50]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- STREAM_SELECT  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- DATASOURCE_SCAN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- HASH_PARTITION_EXCHANGE [$$48]  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_SELECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$44]  |PARTITIONED|
                                   -- STREAM_PROJECT  |PARTITIONED|
                                     -- STREAM_SELECT  |PARTITIONED|
                                       -- ASSIGN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/q5_local_supplier_volume.plan b/asterix-app/src/test/resources/optimizerts/results/q5_local_supplier_volume.plan
index d2682d8..ef68caf 100644
--- a/asterix-app/src/test/resources/optimizerts/results/q5_local_supplier_volume.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/q5_local_supplier_volume.plan
@@ -1,16 +1,16 @@
 -- SINK_WRITE  |PARTITIONED|
   -- STREAM_PROJECT  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- SORT_MERGE_EXCHANGE [$$87(DESC) ]  |PARTITIONED|
-        -- STABLE_SORT [$$87(DESC)]  |LOCAL|
+      -- SORT_MERGE_EXCHANGE [$$89(DESC) ]  |PARTITIONED|
+        -- STABLE_SORT [$$89(DESC)]  |LOCAL|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- EXTERNAL_GROUP_BY[$$121]  |PARTITIONED|
+            -- EXTERNAL_GROUP_BY[$$120]  |PARTITIONED|
                     {
                       -- AGGREGATE  |LOCAL|
                         -- NESTED_TUPLE_SOURCE  |LOCAL|
                     }
-              -- HASH_PARTITION_EXCHANGE [$$121]  |PARTITIONED|
-                -- EXTERNAL_GROUP_BY[$$93]  |LOCAL|
+              -- HASH_PARTITION_EXCHANGE [$$120]  |PARTITIONED|
+                -- EXTERNAL_GROUP_BY[$$94]  |LOCAL|
                         {
                           -- AGGREGATE  |LOCAL|
                             -- NESTED_TUPLE_SOURCE  |LOCAL|
@@ -18,7 +18,7 @@
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$80, $$116][$$113, $$95]  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$81, $$115][$$112, $$88]  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- ASSIGN  |PARTITIONED|
@@ -26,10 +26,10 @@
                                   -- DATASOURCE_SCAN  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                       -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$113]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$112]  |PARTITIONED|
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- HYBRID_HASH_JOIN [$$81][$$82]  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$82][$$83]  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
                                       -- STREAM_SELECT  |PARTITIONED|
@@ -38,33 +38,33 @@
                                             -- DATASOURCE_SCAN  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$82]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- HYBRID_HASH_JOIN [$$100][$$84]  |PARTITIONED|
-                                          -- HASH_PARTITION_EXCHANGE [$$100]  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$99][$$85]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$99]  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- DATASOURCE_SCAN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- HASH_PARTITION_EXCHANGE [$$84]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- HYBRID_HASH_JOIN [$$95][$$85]  |PARTITIONED|
-                                                  -- HASH_PARTITION_EXCHANGE [$$95]  |PARTITIONED|
+                                                -- HYBRID_HASH_JOIN [$$88][$$86]  |PARTITIONED|
+                                                  -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- ASSIGN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- DATASOURCE_SCAN  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                               -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                                                  -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$91][$$86]  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$91]  |PARTITIONED|
+                                                        -- HYBRID_HASH_JOIN [$$92][$$87]  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
                                                             -- STREAM_PROJECT  |PARTITIONED|
                                                               -- ASSIGN  |PARTITIONED|
                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -74,8 +74,7 @@
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             -- STREAM_PROJECT  |PARTITIONED|
                                                               -- STREAM_SELECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_01.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_01.plan
index 7dd79e2..73968f0 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_01.plan
@@ -3,19 +3,18 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |LOCAL|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- RTREE_SEARCH  |PARTITIONED|
-                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |UNPARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- RTREE_SEARCH  |PARTITIONED|
+                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |UNPARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_02.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_02.plan
index 7dd79e2..73968f0 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_02.plan
@@ -3,19 +3,18 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |LOCAL|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- RTREE_SEARCH  |PARTITIONED|
-                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |UNPARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- RTREE_SEARCH  |PARTITIONED|
+                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |UNPARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_03.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_03.plan
index 7dd79e2..73968f0 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/spatial-intersect-point_03.plan
@@ -3,19 +3,18 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |LOCAL|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$20(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- RTREE_SEARCH  |PARTITIONED|
-                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |UNPARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$20(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- RTREE_SEARCH  |PARTITIONED|
+                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |UNPARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan
index 87ee225..180a756 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan
@@ -3,15 +3,14 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$22(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- RTREE_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- RTREE_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index.plan
index 8bffa2b..180a756 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index.plan
@@ -3,15 +3,14 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- STABLE_SORT [$$22(ASC)]  |LOCAL|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- RTREE_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- STABLE_SORT [$$22(ASC)]  |LOCAL|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- RTREE_SEARCH  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
index 3c95e2f..c000d63 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
@@ -7,8 +7,7 @@
             -- ASSIGN  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
index 03fd04e..3961d95 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
@@ -2,7 +2,7 @@
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
     -- INDEX_INSERT_DELETE  |UNPARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-        -- STABLE_SORT [$$25(ASC), $$26(ASC), $$27(ASC), $$28(ASC)]  |LOCAL|
+        -- STABLE_SORT [$$24(ASC), $$25(ASC), $$26(ASC), $$27(ASC)]  |LOCAL|
           -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
             -- ASSIGN  |UNPARTITIONED|
               -- ASSIGN  |UNPARTITIONED|
@@ -14,9 +14,8 @@
                           -- ASSIGN  |PARTITIONED|
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- ASSIGN  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_SELECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- STREAM_SELECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
index f1a7172..57aafc3 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
@@ -7,10 +7,9 @@
             -- ASSIGN  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
index c1bed36..765770e 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
@@ -2,14 +2,14 @@
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
     -- INDEX_INSERT_DELETE  |UNPARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-        -- STABLE_SORT [$$12(ASC)]  |LOCAL|
+        -- STABLE_SORT [$$11(ASC)]  |LOCAL|
           -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
             -- ASSIGN  |UNPARTITIONED|
               -- STREAM_PROJECT  |UNPARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                   -- INDEX_INSERT_DELETE  |UNPARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                      -- STABLE_SORT [$$11(ASC)]  |LOCAL|
+                      -- STABLE_SORT [$$10(ASC)]  |LOCAL|
                         -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                           -- ASSIGN  |UNPARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
index 170edbd..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
@@ -4,8 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- DATASOURCE_SCAN  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- DATASOURCE_SCAN  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
index 3babdef..553a531 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
@@ -1,8 +1,8 @@
 -- SINK_WRITE  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
-      -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
index 467de52..4189498 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
@@ -2,8 +2,7 @@
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- ASSIGN  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- DATASOURCE_SCAN  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/unnest_list_in_subplan.plan b/asterix-app/src/test/resources/optimizerts/results/unnest_list_in_subplan.plan
index d249c29..531ce61 100644
--- a/asterix-app/src/test/resources/optimizerts/results/unnest_list_in_subplan.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/unnest_list_in_subplan.plan
@@ -19,11 +19,10 @@
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- UNNEST  |PARTITIONED|
                               -- ASSIGN  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                         -- HASH_PARTITION_EXCHANGE [$$22]  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-edit-distance-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-edit-distance-inline.aql
new file mode 100644
index 0000000..f061143
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-edit-distance-inline.aql
@@ -0,0 +1,48 @@
+/*
+ * Description    : Fuzzy joins two datasets, Customers and Customers2, based on the edit-distance function of their names.
+ *                  Customers has a 3-gram index on name, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as open {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as open {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+
+create dataset Customers2(CustomerType) partitioned by key cid;
+
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+load dataset Customers2
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index ngram_index on Customers(name) type ngram(3);
+
+write output to nc1:"rttest/index-join_inverted-index-ngram-edit-distance-inline.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers2')
+let $ed := edit-distance($a.name, $b.name)
+where $ed <= 4 and $a.cid < $b.cid
+order by $ed, $a.cid, $b.cid
+return { "aname": $a.name, "bname": $b.name, "ed": $ed }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-jaccard-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-jaccard-inline.aql
new file mode 100644
index 0000000..fbe5a69
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ngram-jaccard-inline.aql
@@ -0,0 +1,49 @@
+/*
+ * Description    : Fuzzy joins two datasets, DBLP and CSX, based on the similarity-jaccard function of their titles' 3-gram tokens.
+ *                  DBLP has a 3-gram index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create type CSXType as closed {
+  id: int32, 
+  csxid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+create dataset CSX(CSXType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+load dataset CSX
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+
+create index ngram_index on DBLP(title) type ngram(3);
+
+write output to nc1:"rttest/index-join_inverted-index-ngram-jaccard-inline.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('CSX')
+let $jacc := similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false))
+where $jacc >= 0.5f and $a.id < $b.id
+order by $jacc, $a.id, $b.id
+return { "arec": $a.title, "brec": $b.title, "jacc": $jacc }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-edit-distance-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-edit-distance-inline.aql
new file mode 100644
index 0000000..4db5161
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-edit-distance-inline.aql
@@ -0,0 +1,48 @@
+/*
+ * Description    : Fuzzy joins two datasets, Customers and Customers2, based on the edit-distance function of their interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as open {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as open {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+
+create dataset Customers2(CustomerType) partitioned by key cid;
+
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+load dataset Customers2
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/index-join_inverted-index-olist-edit-distance-inline.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers2')
+let $ed := edit-distance($a.interests, $b.interests)
+where len($a.interests) > 2 and len($b.interests) > 2 and $ed <= 1 and $a.cid < $b.cid
+order by $ed, $a.cid, $b.cid
+return { "arec": $a.interests, "brec": $b.interests, "ed": $ed }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-jaccard-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-jaccard-inline.aql
new file mode 100644
index 0000000..f5b0c5a
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-olist-jaccard-inline.aql
@@ -0,0 +1,48 @@
+/*
+ * Description    : Fuzzy joins two datasets, Customers and Customers2, based on the Jaccard similarity of their interest lists.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: [string],
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+create dataset Customers2(CustomerType) partitioned by key cid;
+
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+load dataset Customers2
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/index-join_inverted-index-olist-jaccard-inline.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers2')
+let $jacc := /*+ indexnl */similarity-jaccard($a.interests, $b.interests)
+where $jacc >= 0.9f  and $a.cid < $b.cid and len($a.interests) > 1 and len($b.interests) > 1
+order by $jacc, $a.cid, $b.cid
+return { "a": $a.interests, "b": $b.interests, "jacc": $jacc }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ulist-jaccard-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ulist-jaccard-inline.aql
new file mode 100644
index 0000000..8eb173a
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-ulist-jaccard-inline.aql
@@ -0,0 +1,48 @@
+/*
+ * Description    : Fuzzy joins two datasets, Customers and Customers2, based on the Jaccard similarity of their interest sets.
+ *                  Customers has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+  number: int32, 
+  street: string,
+  city: string
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: {{string}},
+  children: [ { name: string, age: int32? } ]
+}
+
+create dataset Customers(CustomerType) partitioned by key cid;
+  
+create dataset Customers2(CustomerType) partitioned by key cid;
+
+load dataset Customers 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+
+load dataset Customers2
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type keyword;
+
+write output to nc1:"rttest/index-join_inverted-index-ulist-jaccard-inline.adm";
+
+for $a in dataset('Customers')
+for $b in dataset('Customers2')
+let $jacc := /*+ indexnl */ similarity-jaccard($a.interests, $b.interests)
+where $jacc >= 0.9f and $a.cid < $b.cid and len($a.interests) > 1 and len($b.interests) > 1
+order by $jacc, $a.cid, $b.cid
+return { "a": $a.interests, "b": $b.interests, "jacc": $jacc }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-word-jaccard-inline.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-word-jaccard-inline.aql
new file mode 100644
index 0000000..8696101
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/inverted-index-word-jaccard-inline.aql
@@ -0,0 +1,49 @@
+/*
+ * Description    : Fuzzy joins two datasets, DBLP and CSX, based on the similarity-jaccard function of their titles' word tokens.
+ *                  DBLP has a keyword index on title, and we expect the join to be transformed into an indexed nested-loop join.
+ *                  We test the inlining of variables that enable the select to be pushed into the join for subsequent optimization with an index.
+ * Success        : Yes
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create type CSXType as closed {
+  id: int32, 
+  csxid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) partitioned by key id;
+
+create dataset CSX(CSXType) partitioned by key id;
+
+load dataset DBLP 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+load dataset CSX
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+
+create index keyword_index on DBLP(title) type keyword;
+
+write output to nc1:"rttest/index-join_inverted-index-word-jaccard-inline.adm";
+
+for $a in dataset('DBLP')
+for $b in dataset('CSX')
+let $jacc := similarity-jaccard(word-tokens($a.title), word-tokens($b.title))
+where $jacc >= 0.5f and $a.id < $b.id
+order by $jacc, $a.id, $b.id
+return { "arec": $a.title, "brec": $b.title, "jacc": $jacc }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-edit-distance-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-edit-distance-inline.adm
new file mode 100644
index 0000000..1fb17aa
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-edit-distance-inline.adm
@@ -0,0 +1,13 @@
+{ "aname": "Audria Haylett", "bname": "Ria Haflett", "ed": 4 }
+{ "aname": "Melany Rotan", "bname": "Melany Matias", "ed": 4 }
+{ "aname": "Neda Dilts", "bname": "Beata Diles", "ed": 4 }
+{ "aname": "Josette Dries", "bname": "Rosette Reen", "ed": 4 }
+{ "aname": "Londa Herdt", "bname": "Minda Heron", "ed": 4 }
+{ "aname": "Moises Plake", "bname": "Moises Jago", "ed": 4 }
+{ "aname": "Donnette Kreb", "bname": "Donnette Lebel", "ed": 4 }
+{ "aname": "Frederick Valla", "bname": "Frederica Kale", "ed": 4 }
+{ "aname": "Petra Kinsel", "bname": "Petra Ganes", "ed": 4 }
+{ "aname": "Yesenia Doyon", "bname": "Yesenia Gao", "ed": 4 }
+{ "aname": "Willa Patman", "bname": "Mila Barman", "ed": 4 }
+{ "aname": "Camelia Yoes", "bname": "Camellia Toxey", "ed": 4 }
+{ "aname": "Yolonda Korf", "bname": "Yolonda Pu", "ed": 4 }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-jaccard-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-jaccard-inline.adm
new file mode 100644
index 0000000..81a52b2
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ngram-jaccard-inline.adm
@@ -0,0 +1,7 @@
+{ "arec": "Transaction Management in Multidatabase Systems.", "brec": "Overview of Multidatabase Transaction Management", "jacc": 0.55932206f }
+{ "arec": "Transaction Management in Multidatabase Systems.", "brec": "Overview of Multidatabase Transaction Management", "jacc": 0.55932206f }
+{ "arec": "Active Database Systems.", "brec": "Active Database Systems", "jacc": 0.95454544f }
+{ "arec": "Integrated Office Systems.", "brec": "Integrated Office Systems", "jacc": 0.9583333f }
+{ "arec": "Integrated Office Systems.", "brec": "Integrated Office Systems", "jacc": 0.9583333f }
+{ "arec": "A Shared View of Sharing  The Treaty of Orlando.", "brec": "A Shared View of Sharing  The Treaty of Orlando", "jacc": 0.9782609f }
+{ "arec": "Specification and Execution of Transactional Workflows.", "brec": "Specification and Execution of Transactional Workflows", "jacc": 0.9811321f }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-edit-distance-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-edit-distance-inline.adm
new file mode 100644
index 0000000..6f72394
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-edit-distance-inline.adm
@@ -0,0 +1,157 @@
+{ "arec": [ "Base Jumping", "Cigars", "Movies" ], "brec": [ "Base Jumping", "Cigars", "Movies" ], "ed": 0 }
+{ "arec": [ "Coffee", "Movies", "Skiing" ], "brec": [ "Coffee", "Movies", "Skiing" ], "ed": 0 }
+{ "arec": [ "Databases", "Movies", "Tennis" ], "brec": [ "Databases", "Movies", "Tennis" ], "ed": 0 }
+{ "arec": [ "Cooking", "Fishing", "Video Games" ], "brec": [ "Books", "Fishing", "Video Games" ], "ed": 1 }
+{ "arec": [ "Skiing", "Coffee", "Wine" ], "brec": [ "Puzzles", "Coffee", "Wine" ], "ed": 1 }
+{ "arec": [ "Skiing", "Coffee", "Wine" ], "brec": [ "Skiing", "Coffee", "Skiing" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Cigars", "Movies" ], "brec": [ "Base Jumping", "Movies", "Movies" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Cigars", "Movies" ], "brec": [ "Squash", "Cigars", "Movies" ], "ed": 1 }
+{ "arec": [ "Wine", "Walking", "Bass" ], "brec": [ "Wine", "Walking", "Puzzles" ], "ed": 1 }
+{ "arec": [ "Cigars", "Skiing", "Video Games", "Books" ], "brec": [ "Cigars", "Skiing", "Video Games", "Coffee" ], "ed": 1 }
+{ "arec": [ "Bass", "Bass", "Books" ], "brec": [ "Bass", "Bass", "Base Jumping" ], "ed": 1 }
+{ "arec": [ "Bass", "Bass", "Books" ], "brec": [ "Bass", "Books", "Books" ], "ed": 1 }
+{ "arec": [ "Bass", "Running", "Databases" ], "brec": [ "Bass", "Basketball", "Databases" ], "ed": 1 }
+{ "arec": [ "Bass", "Running", "Databases" ], "brec": [ "Bass", "Running", "Movies" ], "ed": 1 }
+{ "arec": [ "Bass", "Running", "Databases" ], "brec": [ "Bass", "Running", "Walking" ], "ed": 1 }
+{ "arec": [ "Bass", "Running", "Databases" ], "brec": [ "Bass", "Running", "Puzzles" ], "ed": 1 }
+{ "arec": [ "Cigars", "Walking", "Databases", "Video Games" ], "brec": [ "Wine", "Walking", "Databases", "Video Games" ], "ed": 1 }
+{ "arec": [ "Tennis", "Puzzles", "Video Games" ], "brec": [ "Tennis", "Puzzles", "Base Jumping" ], "ed": 1 }
+{ "arec": [ "Tennis", "Puzzles", "Video Games" ], "brec": [ "Tennis", "Puzzles", "Cigars" ], "ed": 1 }
+{ "arec": [ "Squash", "Movies", "Coffee" ], "brec": [ "Squash", "Movies", "Computers" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Movies", "Skiing" ], "brec": [ "Wine", "Movies", "Skiing" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Movies", "Skiing" ], "brec": [ "Base Jumping", "Movies", "Movies" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Movies", "Skiing" ], "brec": [ "Coffee", "Movies", "Skiing" ], "ed": 1 }
+{ "arec": [ "Base Jumping", "Movies", "Skiing" ], "brec": [ "Coffee", "Movies", "Skiing" ], "ed": 1 }
+{ "arec": [ "Music", "Tennis", "Base Jumping" ], "brec": [ "Books", "Tennis", "Base Jumping" ], "ed": 1 }
+{ "arec": [ "Wine", "Movies", "Skiing" ], "brec": [ "Coffee", "Movies", "Skiing" ], "ed": 1 }
+{ "arec": [ "Wine", "Movies", "Skiing" ], "brec": [ "Coffee", "Movies", "Skiing" ], "ed": 1 }
+{ "arec": [ "Music", "Base Jumping", "Books" ], "brec": [ "Music", "Base Jumping", "Tennis" ], "ed": 1 }
+{ "arec": [ "Music", "Base Jumping", "Books" ], "brec": [ "Music", "Base Jumping", "Coffee", "Books" ], "ed": 1 }
+{ "arec": [ "Music", "Basketball", "Movies" ], "brec": [ "Music", "Basketball", "Cigars" ], "ed": 1 }
+{ "arec": [ "Databases", "Movies", "Cigars" ], "brec": [ "Databases", "Wine", "Cigars" ], "ed": 1 }
+{ "arec": [ "Databases", "Movies", "Cigars" ], "brec": [ "Databases", "Movies", "Tennis" ], "ed": 1 }
+{ "arec": [ "Databases", "Movies", "Cigars" ], "brec": [ "Databases", "Movies", "Tennis" ], "ed": 1 }
+{ "arec": [ "Movies", "Books", "Bass" ], "brec": [ "Movies", "Books", "Walking" ], "ed": 1 }
+{ "arec": [ "Bass", "Walking", "Movies" ], "brec": [ "Bass", "Running", "Movies" ], "ed": 1 }
+{ "arec": [ "Skiing", "Computers", "Bass", "Cigars" ], "brec": [ "Bass", "Computers", "Bass", "Cigars" ], "ed": 1 }
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\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-jaccard-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-jaccard-inline.adm
new file mode 100644
index 0000000..33167d3
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-olist-jaccard-inline.adm
@@ -0,0 +1,115 @@
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+{ "a": [ "Books", "Base Jumping" ], "b": [ "Books", "Base Jumping" ], "jacc": 1.0f }
+{ "a": [ "Cooking", "Running" ], "b": [ "Cooking", "Running" ], "jacc": 1.0f }
+{ "a": [ "Video Games", "Databases" ], "b": [ "Databases", "Video Games" ], "jacc": 1.0f }
+{ "a": [ "Video Games", "Databases" ], "b": [ "Databases", "Video Games" ], "jacc": 1.0f }
+{ "a": [ "Cigars", "Video Games" ], "b": [ "Video Games", "Cigars" ], "jacc": 1.0f }
+{ "a": [ "Running", "Base Jumping" ], "b": [ "Base Jumping", "Running" ], "jacc": 1.0f }
+{ "a": [ "Coffee", "Databases" ], "b": [ "Databases", "Coffee" ], "jacc": 1.0f }
+{ "a": [ "Movies", "Books" ], "b": [ "Books", "Movies" ], "jacc": 1.0f }
+{ "a": [ "Movies", "Books" ], "b": [ "Movies", "Books" ], "jacc": 1.0f }
+{ "a": [ "Databases", "Video Games" ], "b": [ "Databases", "Video Games" ], "jacc": 1.0f }
+{ "a": [ "Music", "Base Jumping" ], "b": [ "Music", "Base Jumping" ], "jacc": 1.0f }
+{ "a": [ "Bass", "Squash" ], "b": [ "Bass", "Squash" ], "jacc": 1.0f }
+{ "a": [ "Computers", "Tennis" ], "b": [ "Tennis", "Computers" ], "jacc": 1.0f }
+{ "a": [ "Tennis", "Coffee" ], "b": [ "Tennis", "Coffee" ], "jacc": 1.0f }
+{ "a": [ "Puzzles", "Books" ], "b": [ "Puzzles", "Books" ], "jacc": 1.0f }
+{ "a": [ "Puzzles", "Books" ], "b": [ "Puzzles", "Books" ], "jacc": 1.0f }
+{ "a": [ "Skiing", "Wine" ], "b": [ "Wine", "Skiing" ], "jacc": 1.0f }
+{ "a": [ "Squash", "Tennis" ], "b": [ "Squash", "Tennis" ], "jacc": 1.0f }
+{ "a": [ "Walking", "Cooking" ], "b": [ "Walking", "Cooking" ], "jacc": 1.0f }
+{ "a": [ "Coffee", "Tennis", "Bass" ], "b": [ "Coffee", "Bass", "Tennis" ], "jacc": 1.0f }
+{ "a": [ "Music", "Squash" ], "b": [ "Music", "Squash" ], "jacc": 1.0f }
+{ "a": [ "Computers", "Fishing" ], "b": [ "Fishing", "Computers" ], "jacc": 1.0f }
+{ "a": [ "Computers", "Fishing" ], "b": [ "Computers", "Fishing" ], "jacc": 1.0f }
+{ "a": [ "Wine", "Walking" ], "b": [ "Walking", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Skiing", "Base Jumping" ], "b": [ "Base Jumping", "Skiing" ], "jacc": 1.0f }
+{ "a": [ "Bass", "Books" ], "b": [ "Books", "Bass" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Music" ], "b": [ "Fishing", "Music" ], "jacc": 1.0f }
+{ "a": [ "Books", "Tennis" ], "b": [ "Books", "Tennis" ], "jacc": 1.0f }
+{ "a": [ "Books", "Tennis" ], "b": [ "Tennis", "Books" ], "jacc": 1.0f }
+{ "a": [ "Books", "Tennis" ], "b": [ "Tennis", "Books" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Databases" ], "b": [ "Fishing", "Databases" ], "jacc": 1.0f }
+{ "a": [ "Walking", "Computers" ], "b": [ "Computers", "Walking" ], "jacc": 1.0f }
+{ "a": [ "Books", "Base Jumping" ], "b": [ "Books", "Base Jumping" ], "jacc": 1.0f }
+{ "a": [ "Movies", "Cooking", "Skiing" ], "b": [ "Movies", "Skiing", "Cooking" ], "jacc": 1.0f }
+{ "a": [ "Puzzles", "Books" ], "b": [ "Puzzles", "Books" ], "jacc": 1.0f }
+{ "a": [ "Wine", "Databases" ], "b": [ "Databases", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Databases", "Wine" ], "b": [ "Fishing", "Wine", "Databases" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Databases", "Wine" ], "b": [ "Databases", "Fishing", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Coffee", "Movies", "Skiing" ], "b": [ "Coffee", "Movies", "Skiing" ], "jacc": 1.0f }
+{ "a": [ "Cigars", "Cigars" ], "b": [ "Cigars", "Cigars" ], "jacc": 1.0f }
+{ "a": [ "Bass", "Walking" ], "b": [ "Walking", "Bass" ], "jacc": 1.0f }
+{ "a": [ "Wine", "Base Jumping", "Running" ], "b": [ "Base Jumping", "Running", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Databases", "Databases" ], "b": [ "Databases", "Databases" ], "jacc": 1.0f }
+{ "a": [ "Movies", "Running" ], "b": [ "Movies", "Running" ], "jacc": 1.0f }
+{ "a": [ "Wine", "Puzzles" ], "b": [ "Puzzles", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Squash", "Cigars" ], "b": [ "Squash", "Cigars" ], "jacc": 1.0f }
+{ "a": [ "Cooking", "Bass" ], "b": [ "Cooking", "Bass" ], "jacc": 1.0f }
+{ "a": [ "Databases", "Movies", "Tennis" ], "b": [ "Databases", "Movies", "Tennis" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Computers" ], "b": [ "Computers", "Fishing" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Movies" ], "b": [ "Fishing", "Movies" ], "jacc": 1.0f }
+{ "a": [ "Base Jumping", "Tennis", "Video Games" ], "b": [ "Video Games", "Base Jumping", "Tennis" ], "jacc": 1.0f }
+{ "a": [ "Computers", "Wine" ], "b": [ "Wine", "Computers" ], "jacc": 1.0f }
+{ "a": [ "Skiing", "Bass" ], "b": [ "Bass", "Skiing" ], "jacc": 1.0f }
+{ "a": [ "Music", "Databases" ], "b": [ "Databases", "Music" ], "jacc": 1.0f }
+{ "a": [ "Fishing", "Wine", "Databases" ], "b": [ "Databases", "Fishing", "Wine" ], "jacc": 1.0f }
+{ "a": [ "Books", "Movies" ], "b": [ "Movies", "Books" ], "jacc": 1.0f }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ulist-jaccard-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ulist-jaccard-inline.adm
new file mode 100644
index 0000000..2931946
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-ulist-jaccard-inline.adm
@@ -0,0 +1,115 @@
+{ "a": {{ "Bass", "Wine" }}, "b": {{ "Bass", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Databases" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Databases" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Databases" }}, "b": {{ "Music", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Databases" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Walking" }}, "b": {{ "Wine", "Walking" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Walking" }}, "b": {{ "Walking", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Cigars", "Movies" }}, "b": {{ "Base Jumping", "Cigars", "Movies" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Walking" }}, "b": {{ "Skiing", "Walking" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Music" }}, "b": {{ "Music", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Music" }}, "b": {{ "Music", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Video Games" }}, "b": {{ "Video Games", "Fishing" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Skiing" }}, "b": {{ "Skiing", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Skiing" }}, "b": {{ "Base Jumping", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Skiing", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Skiing", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Bass", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Running", "Cigars" }}, "b": {{ "Fishing", "Cigars", "Running" }}, "jacc": 1.0f }
+{ "a": {{ "Cigars", "Skiing" }}, "b": {{ "Skiing", "Cigars" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Walking" }}, "b": {{ "Movies", "Walking" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Coffee" }}, "b": {{ "Coffee", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Running", "Coffee", "Fishing" }}, "b": {{ "Running", "Fishing", "Coffee" }}, "jacc": 1.0f }
+{ "a": {{ "Squash", "Movies", "Coffee" }}, "b": {{ "Coffee", "Movies", "Squash" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Tennis", "Base Jumping" }}, "b": {{ "Music", "Base Jumping", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Base Jumping", "Books" }}, "b": {{ "Books", "Base Jumping", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Bass", "Books" }}, "b": {{ "Bass", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Bass", "Books" }}, "b": {{ "Books", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Puzzles", "Squash" }}, "b": {{ "Squash", "Puzzles" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Wine" }}, "b": {{ "Wine", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Wine" }}, "b": {{ "Computers", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Wine" }}, "b": {{ "Wine", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Walking", "Cooking" }}, "b": {{ "Walking", "Cooking" }}, "jacc": 1.0f }
+{ "a": {{ "Walking", "Cooking" }}, "b": {{ "Walking", "Cooking" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Databases" }}, "b": {{ "Databases", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Databases" }}, "b": {{ "Databases", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Squash", "Databases" }}, "b": {{ "Squash", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Computers" }}, "b": {{ "Computers", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Computers" }}, "b": {{ "Wine", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Skiing", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Bass", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Books" }}, "b": {{ "Movies", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Books" }}, "b": {{ "Books", "Movies" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Books" }}, "b": {{ "Movies", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Squash" }}, "b": {{ "Wine", "Squash" }}, "jacc": 1.0f }
+{ "a": {{ "Coffee", "Tennis" }}, "b": {{ "Tennis", "Coffee" }}, "jacc": 1.0f }
+{ "a": {{ "Coffee", "Tennis" }}, "b": {{ "Tennis", "Coffee" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Books" }}, "b": {{ "Books", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Music" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Music" }}, "b": {{ "Music", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Music" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Video Games", "Cigars" }}, "b": {{ "Cigars", "Video Games" }}, "jacc": 1.0f }
+{ "a": {{ "Video Games", "Cigars" }}, "b": {{ "Video Games", "Cigars" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Skiing" }}, "b": {{ "Databases", "Skiing" }}, "jacc": 1.0f }
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+{ "a": {{ "Databases", "Music" }}, "b": {{ "Music", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Music" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Running" }}, "b": {{ "Running", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Running" }}, "b": {{ "Base Jumping", "Running" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Base Jumping" }}, "b": {{ "Books", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Base Jumping" }}, "b": {{ "Books", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Cooking", "Running" }}, "b": {{ "Cooking", "Running" }}, "jacc": 1.0f }
+{ "a": {{ "Video Games", "Databases" }}, "b": {{ "Databases", "Video Games" }}, "jacc": 1.0f }
+{ "a": {{ "Video Games", "Databases" }}, "b": {{ "Databases", "Video Games" }}, "jacc": 1.0f }
+{ "a": {{ "Cigars", "Video Games" }}, "b": {{ "Video Games", "Cigars" }}, "jacc": 1.0f }
+{ "a": {{ "Running", "Base Jumping" }}, "b": {{ "Base Jumping", "Running" }}, "jacc": 1.0f }
+{ "a": {{ "Coffee", "Databases" }}, "b": {{ "Databases", "Coffee" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Books" }}, "b": {{ "Books", "Movies" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Books" }}, "b": {{ "Movies", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Video Games" }}, "b": {{ "Databases", "Video Games" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Base Jumping" }}, "b": {{ "Music", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Bass", "Squash" }}, "b": {{ "Bass", "Squash" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Tennis" }}, "b": {{ "Tennis", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Tennis", "Coffee" }}, "b": {{ "Tennis", "Coffee" }}, "jacc": 1.0f }
+{ "a": {{ "Puzzles", "Books" }}, "b": {{ "Puzzles", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Puzzles", "Books" }}, "b": {{ "Puzzles", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Wine" }}, "b": {{ "Wine", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Squash", "Tennis" }}, "b": {{ "Squash", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Walking", "Cooking" }}, "b": {{ "Walking", "Cooking" }}, "jacc": 1.0f }
+{ "a": {{ "Coffee", "Tennis", "Bass" }}, "b": {{ "Coffee", "Bass", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Squash" }}, "b": {{ "Music", "Squash" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Fishing" }}, "b": {{ "Fishing", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Fishing" }}, "b": {{ "Computers", "Fishing" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Walking" }}, "b": {{ "Walking", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Base Jumping" }}, "b": {{ "Base Jumping", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Bass", "Books" }}, "b": {{ "Books", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Music" }}, "b": {{ "Fishing", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Tennis" }}, "b": {{ "Books", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Tennis" }}, "b": {{ "Tennis", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Tennis" }}, "b": {{ "Tennis", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Databases" }}, "b": {{ "Fishing", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Walking", "Computers" }}, "b": {{ "Computers", "Walking" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Base Jumping" }}, "b": {{ "Books", "Base Jumping" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Cooking", "Skiing" }}, "b": {{ "Movies", "Skiing", "Cooking" }}, "jacc": 1.0f }
+{ "a": {{ "Puzzles", "Books" }}, "b": {{ "Puzzles", "Books" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Databases" }}, "b": {{ "Databases", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Databases", "Wine" }}, "b": {{ "Fishing", "Wine", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Databases", "Wine" }}, "b": {{ "Databases", "Fishing", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Coffee", "Movies", "Skiing" }}, "b": {{ "Coffee", "Movies", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Cigars", "Cigars" }}, "b": {{ "Cigars", "Cigars" }}, "jacc": 1.0f }
+{ "a": {{ "Bass", "Walking" }}, "b": {{ "Walking", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Base Jumping", "Running" }}, "b": {{ "Base Jumping", "Running", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Databases" }}, "b": {{ "Databases", "Databases" }}, "jacc": 1.0f }
+{ "a": {{ "Movies", "Running" }}, "b": {{ "Movies", "Running" }}, "jacc": 1.0f }
+{ "a": {{ "Wine", "Puzzles" }}, "b": {{ "Puzzles", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Squash", "Cigars" }}, "b": {{ "Squash", "Cigars" }}, "jacc": 1.0f }
+{ "a": {{ "Cooking", "Bass" }}, "b": {{ "Cooking", "Bass" }}, "jacc": 1.0f }
+{ "a": {{ "Databases", "Movies", "Tennis" }}, "b": {{ "Databases", "Movies", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Computers" }}, "b": {{ "Computers", "Fishing" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Movies" }}, "b": {{ "Fishing", "Movies" }}, "jacc": 1.0f }
+{ "a": {{ "Base Jumping", "Tennis", "Video Games" }}, "b": {{ "Video Games", "Base Jumping", "Tennis" }}, "jacc": 1.0f }
+{ "a": {{ "Computers", "Wine" }}, "b": {{ "Wine", "Computers" }}, "jacc": 1.0f }
+{ "a": {{ "Skiing", "Bass" }}, "b": {{ "Bass", "Skiing" }}, "jacc": 1.0f }
+{ "a": {{ "Music", "Databases" }}, "b": {{ "Databases", "Music" }}, "jacc": 1.0f }
+{ "a": {{ "Fishing", "Wine", "Databases" }}, "b": {{ "Databases", "Fishing", "Wine" }}, "jacc": 1.0f }
+{ "a": {{ "Books", "Movies" }}, "b": {{ "Movies", "Books" }}, "jacc": 1.0f }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-word-jaccard-inline.adm b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-word-jaccard-inline.adm
new file mode 100644
index 0000000..fbbc3cc
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-join/inverted-index-word-jaccard-inline.adm
@@ -0,0 +1,5 @@
+{ "arec": "Active Database Systems.", "brec": "Active Database Systems", "jacc": 1.0f }
+{ "arec": "Specification and Execution of Transactional Workflows.", "brec": "Specification and Execution of Transactional Workflows", "jacc": 1.0f }
+{ "arec": "Integrated Office Systems.", "brec": "Integrated Office Systems", "jacc": 1.0f }
+{ "arec": "Integrated Office Systems.", "brec": "Integrated Office Systems", "jacc": 1.0f }
+{ "arec": "A Shared View of Sharing  The Treaty of Orlando.", "brec": "A Shared View of Sharing  The Treaty of Orlando", "jacc": 1.0f }