diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
index 8fffc0e..18c0793 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
@@ -90,4 +90,9 @@
     public boolean isMicroOperator() {
         return true;
     }
+
+    @Override
+    public boolean expensiveThanMaterialization() {
+        return false;
+    }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/IndexSearchPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/IndexSearchPOperator.java
index 7d95978..9cc899d 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/IndexSearchPOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/IndexSearchPOperator.java
@@ -79,4 +79,9 @@
             return super.getRequiredPropertiesForChildren(op, reqdByParent);
         }
     }
+
+    @Override
+    public boolean expensiveThanMaterialization() {
+        return true;
+    }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/MaterializePOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/MaterializePOperator.java
index dc25ae7..542e36d 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/MaterializePOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/MaterializePOperator.java
@@ -16,6 +16,7 @@
 package edu.uci.ics.asterix.algebra.operators.physical;
 
 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.IHyracksJobBuilder;
 import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
@@ -79,4 +80,21 @@
     public boolean isMicroOperator() {
         return true;
     }
+
+    @Override
+    public Pair<int[], int[]> getInputOutputDependencyLabels(ILogicalOperator op) {
+        int[] inputDependencyLabels = new int[] { 0 };
+        int[] outputDependencyLabels;
+        if (isSingleActivity) {
+            outputDependencyLabels = new int[] { 0 };
+        } else {
+            outputDependencyLabels = new int[] { 1 };
+        }
+        return new Pair<int[], int[]>(inputDependencyLabels, outputDependencyLabels);
+    }
+
+    @Override
+    public boolean expensiveThanMaterialization() {
+        return false;
+    }
 }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/split-materialization-above-join.aql b/asterix-app/src/test/resources/optimizerts/queries/split-materialization-above-join.aql
new file mode 100644
index 0000000..fb9e835
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/split-materialization-above-join.aql
@@ -0,0 +1,85 @@
+drop dataverse fuzzyjoin if exists;
+
+create dataverse fuzzyjoin;
+
+use dataverse fuzzyjoin;
+
+create type DBLPType as open {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLP(DBLPType) primary key id;
+
+set import-private-functions 'true';
+
+//
+// -- - Stage 3 - --
+//
+for $paperLeft in dataset('DBLP')
+for $paperRight in dataset('DBLP')
+for $ridpair in 
+    //
+    // -- - Stage 2 - --
+    //
+    for $paperLeft in dataset('DBLP')
+    let $lenLeft := len(counthashed-word-tokens($paperLeft.title))
+    let $tokensLeft :=
+        for $tokenUnranked in counthashed-word-tokens($paperLeft.title)
+        for $tokenRanked at $i in
+            //
+            // -- - Stage 1 - --
+            //
+            for $paper in dataset('DBLP')
+            for $token in counthashed-word-tokens($paper.title)
+            group by $tokenGroupped := $token with $paper
+            order by count($paper), $tokenGroupped
+            return $tokenGroupped
+        where $tokenUnranked = $tokenRanked
+        order by $i
+        return $i
+    for $prefixTokenLeft in subset-collection(
+                                $tokensLeft, 
+                                0,
+                                prefix-len-jaccard($lenLeft, .5f))
+
+    for $paperRight in dataset('DBLP')
+    let $lenRight := len(counthashed-word-tokens($paperRight.title))
+    let $tokensRight :=
+        for $tokenUnranked in counthashed-word-tokens($paperRight.title)
+        for $tokenRanked at $i in
+            //
+            // -- - Stage 1 - --
+            //
+            for $paper in dataset('DBLP')
+            for $token in counthashed-word-tokens($paper.title)
+            group by $tokenGroupped := $token with $paper
+            order by count($paper), $tokenGroupped
+            return $tokenGroupped
+        where $tokenUnranked = $tokenRanked
+        order by $i
+        return $i
+    for $prefixTokenRight in subset-collection(
+                                $tokensRight, 
+                                0,
+                                prefix-len-jaccard($lenRight, .5f))
+
+    where $prefixTokenLeft = $prefixTokenRight
+
+    let $sim := similarity-jaccard-prefix(
+                    $lenLeft,
+                    $tokensLeft,
+                    $lenRight,
+                    $tokensRight,
+                    $prefixTokenLeft,
+                    .5f)
+    where $sim >= .5f and $paperLeft.id < $paperRight.id
+    group by $idLeft := $paperLeft.id, $idRight := $paperRight.id with $sim
+    return {'idLeft': $idLeft, 'idRight': $idRight, 'sim': $sim[0]}
+
+where $ridpair.idLeft = $paperLeft.id and $ridpair.idRight = $paperRight.id
+order by $paperLeft.id, $paperRight.id
+return {'left': $paperLeft, 'right': $paperRight, 'sim': $ridpair.sim}
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/split-materialization.aql b/asterix-app/src/test/resources/optimizerts/queries/split-materialization.aql
new file mode 100644
index 0000000..208177e
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/split-materialization.aql
@@ -0,0 +1,31 @@
+drop dataverse TinySocial if exists;
+create dataverse TinySocial;
+use dataverse TinySocial;
+
+
+create type EmploymentType as open {
+        organization-name: string,      
+        start-date: date,
+        end-date: date?
+}
+
+create type FacebookUserType as closed {
+        id: int32,
+        alias: string,
+        name: string,
+        user-since: datetime,
+        friend-ids: {{ int32 }},
+        employment: [EmploymentType]
+}
+
+create dataset FacebookUsers(FacebookUserType)
+primary key id;
+
+
+let $lonelyusers := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
+let $lonelyusers2 := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
+for $l1 in $lonelyusers
+for $l2 in $lonelyusers2
+where $l1.id < $l2.id
+order by $l1.id, $l2.id
+return { "user1": { "id": $l1.id, "name": $l1.name }, "user2": { "id": $l2.id, "name": $l2.name } };
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
index ddcbf08..2baebd4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
@@ -30,9 +30,8 @@
                                                 -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |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
+                                                      -- 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/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
index 48f4d02..84619bc 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
@@ -30,9 +30,8 @@
                                                 -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |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
+                                                      -- 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/btree-index-join/secondary-equi-join-multiindex.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
index a22212e..4173afc 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
@@ -15,9 +15,8 @@
                             -- BROADCAST_EXCHANGE  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
                                 -- ASSIGN  |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  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan
index 632a813..279cc83 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan
@@ -2,9 +2,8 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |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
+        -- 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/btree-index/btree-primary-28.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan
index d85d357..279cc83 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan
@@ -2,9 +2,8 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |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  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan
index d85d357..279cc83 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan
@@ -2,9 +2,8 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |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  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan
index d85d357..279cc83 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan
@@ -2,9 +2,8 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |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  |PARTITIONED|
+              -- ASSIGN  |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 ab613e0..5aad07e 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 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- SORT_MERGE_EXCHANGE [$$5(ASC) ]  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_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  |PARTITIONED|
+                -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
index 72e494a..ee235ae 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance-check.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$8(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/ngram-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-edit-distance.plan
index 72e494a..ee235ae 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$8(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
index fb581db..c8aaaabc 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-edit-distance.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$7(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/ngram-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-fuzzyeq-jaccard.plan
index 7d4fba5..362a1c4 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
index ded641f..0a243c7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard-check.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/ngram-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ngram-jaccard.plan
index ded641f..0a243c7 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
index 567720b..478d8bb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance-check.plan
@@ -3,15 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- LENGTH_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.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-edit-distance.plan
index 567720b..478d8bb 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 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_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  |PARTITIONED|
+                -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
index ec1ceb2..a1426f3 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-fuzzyeq-edit-distance.plan
@@ -3,15 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- SORT_MERGE_EXCHANGE [$$6(ASC) ]  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- BTREE_SEARCH  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- LENGTH_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 72e494a..ee235ae 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$8(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
index 7d4fba5..362a1c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard-check.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/olist-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/olist-jaccard.plan
index 7d4fba5..362a1c4 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
index 72e494a..ee235ae 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-fuzzyeq-jaccard.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$8(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/ulist-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard-check.plan
index 7d4fba5..362a1c4 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
index 7d4fba5..362a1c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/ulist-jaccard.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/word-fuzzyeq-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-fuzzyeq-jaccard.plan
index 7d4fba5..362a1c4 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
index ded641f..0a243c7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard-check.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-basic/word-jaccard.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-basic/word-jaccard.plan
index ded641f..0a243c7 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
index a42ddca..323f681 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.plan
@@ -9,9 +9,7 @@
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                   -- STABLE_SORT [$$14(ASC)]  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_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-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 a42ddca..323f681 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
@@ -9,9 +9,7 @@
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                   -- STABLE_SORT [$$14(ASC)]  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
index 7d4fba5..362a1c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-let.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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-edit-distance-check-substring.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-substring.plan
index 259a003..ff74295 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-substring.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-substring.plan
@@ -5,15 +5,12 @@
         -- STREAM_SELECT  |PARTITIONED|
           -- STREAM_PROJECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- LENGTH_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-word-tokens.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-word-tokens.plan
index e62a269..aa97342 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-word-tokens.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-edit-distance-check-word-tokens.plan
@@ -10,15 +10,12 @@
                   -- UNNEST  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ASSIGN  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- BTREE_SEARCH  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$16(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$16(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- LENGTH_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-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-let.plan
index 0613c77..9748866 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
index afdf34e..0cb0a86 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/ngram-jaccard-check-multi-let.plan
@@ -11,9 +11,7 @@
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                       -- STABLE_SORT [$$16(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- LENGTH_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.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-edit-distance-check-let.plan
index 30e9fcf..6194e08 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
@@ -3,15 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- SORT_MERGE_EXCHANGE [$$8(ASC) ]  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- BTREE_SEARCH  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$12(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- LENGTH_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  |PARTITIONED|
+                -- STABLE_SORT [$$12(ASC)]  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
index ded641f..0a243c7 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/olist-jaccard-check-let.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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 ded641f..0a243c7 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
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$10(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
index 0613c77..9748866 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-complex/word-jaccard-check-let.plan
@@ -7,9 +7,7 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STABLE_SORT [$$11(ASC)]  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- LENGTH_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 afdf34e..0cb0a86 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
@@ -11,9 +11,7 @@
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                       -- STABLE_SORT [$$16(ASC)]  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- LENGTH_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-noeqjoin/ngram-edit-distance-inline.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/ngram-edit-distance-inline.plan
index 19ceed6..0224b71 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/ngram-edit-distance-inline.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/ngram-edit-distance-inline.plan
@@ -21,12 +21,14 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- SPLIT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                              -- SPLIT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
@@ -39,17 +41,24 @@
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- DATASOURCE_SCAN  |PARTITIONED|
+                              -- SPLIT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |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|
                         -- STREAM_SELECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- SPLIT  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- SPLIT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |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-noeqjoin/olist-edit-distance-inline.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/olist-edit-distance-inline.plan
index 19ceed6..0224b71 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/olist-edit-distance-inline.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join-noeqjoin/olist-edit-distance-inline.plan
@@ -21,12 +21,14 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- SPLIT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                              -- SPLIT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
@@ -39,17 +41,24 @@
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- DATASOURCE_SCAN  |PARTITIONED|
+                              -- SPLIT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |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|
                         -- STREAM_SELECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- SPLIT  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                -- SPLIT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |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/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
index c132181..bd49b19 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
@@ -20,11 +20,14 @@
                             -- HYBRID_HASH_JOIN [$$45][$$32]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                               -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
                                 -- UNION_ALL  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -36,7 +39,7 @@
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- BTREE_SEARCH  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STABLE_SORT [$$52(ASC)]  |PARTITIONED|
+                                                    -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                         -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                                                           -- BROADCAST_EXCHANGE  |PARTITIONED|
@@ -46,12 +49,13 @@
                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                       -- ASSIGN  |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|
+                                                                          -- SPLIT  |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|
                                     -- STREAM_PROJECT  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -70,9 +74,10 @@
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- ASSIGN  |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
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- SPLIT  |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/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
index 3252899..89d6924 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
@@ -20,11 +20,14 @@
                             -- HYBRID_HASH_JOIN [$$45][$$32]  |PARTITIONED|
                               -- 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|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- SPLIT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                               -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
                                 -- STREAM_SELECT  |PARTITIONED|
                                   -- STREAM_PROJECT  |PARTITIONED|
@@ -33,15 +36,16 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- BTREE_SEARCH  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+                                              -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                                                     -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                       -- STREAM_PROJECT  |PARTITIONED|
                                                         -- ASSIGN  |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
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- SPLIT  |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/inverted-index-join/word-jaccard-check-after-btree-access.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check-after-btree-access.plan
index c366d1b..15b4673 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check-after-btree-access.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/word-jaccard-check-after-btree-access.plan
@@ -9,11 +9,14 @@
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- SPLIT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
               -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- STREAM_SELECT  |PARTITIONED|
@@ -23,15 +26,16 @@
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- BTREE_SEARCH  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                                -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
                                       -- BROADCAST_EXCHANGE  |PARTITIONED|
                                         -- STREAM_PROJECT  |PARTITIONED|
                                           -- ASSIGN  |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
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- SPLIT  |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-composite-index-search.plan b/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
index 39a9eda..99c8e59 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
@@ -5,15 +5,14 @@
         -- STREAM_SELECT  |PARTITIONED|
           -- STREAM_PROJECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$21(ASC)]  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$21(ASC)]  |PARTITIONED|
+                      -- 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 12aeed9..1976c17 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
@@ -6,15 +6,14 @@
           -- STREAM_PROJECT  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- BTREE_SEARCH  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
+                        -- 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_02.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive-open_02.plan
index 6e92969..d0b4cd1 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
@@ -6,15 +6,14 @@
           -- STREAM_SELECT  |PARTITIONED|
             -- STREAM_PROJECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$20(ASC)]  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- BTREE_SEARCH  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$20(ASC)]  |PARTITIONED|
+                        -- 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_01.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_01.plan
index 12aeed9..1976c17 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
@@ -6,15 +6,14 @@
           -- STREAM_PROJECT  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- BTREE_SEARCH  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
+                        -- 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_02.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-conjunctive_02.plan
index 6e92969..d0b4cd1 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
@@ -6,15 +6,14 @@
           -- STREAM_SELECT  |PARTITIONED|
             -- STREAM_PROJECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$20(ASC)]  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- BTREE_SEARCH  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$20(ASC)]  |PARTITIONED|
+                        -- 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-open.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
index b78849b..c385869 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
@@ -5,15 +5,14 @@
         -- STREAM_SELECT  |PARTITIONED|
           -- STREAM_PROJECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
+                      -- 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 b78849b..c385869 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
@@ -5,15 +5,14 @@
         -- STREAM_SELECT  |PARTITIONED|
           -- STREAM_PROJECT  |PARTITIONED|
             -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
+                      -- 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 2a91fc5..ad3932b 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 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |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  |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 2a91fc5..ad3932b 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 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |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  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
index e0480a2..3cb87ff 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
@@ -33,9 +33,8 @@
                                                       -- ASSIGN  |PARTITIONED|
                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                           -- ASSIGN  |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
+                                                            -- 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/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
index c6c7d74..d62a691 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
@@ -33,9 +33,8 @@
                                                       -- ASSIGN  |PARTITIONED|
                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                           -- ASSIGN  |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
+                                                            -- 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/rtree-secondary-index-open.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan
index 993dd23..c288790 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
@@ -4,15 +4,14 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- RTREE_SEARCH  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
+                    -- 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 993dd23..c288790 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
@@ -4,15 +4,14 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- BTREE_SEARCH  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- RTREE_SEARCH  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STABLE_SORT [$$19(ASC)]  |PARTITIONED|
+                    -- 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-rtree-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
index 51800a2..b66d07a 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
@@ -15,9 +15,8 @@
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
                                 -- ASSIGN  |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
+                                  -- 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/skip-index/dont-skip-primary-index-search-in-delete.plan b/asterix-app/src/test/resources/optimizerts/results/skip-index/dont-skip-primary-index-search-in-delete.plan
index 64f00d4..0a66ccb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/skip-index/dont-skip-primary-index-search-in-delete.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/skip-index/dont-skip-primary-index-search-in-delete.plan
@@ -8,9 +8,8 @@
               -- ASSIGN  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |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  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan b/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan
new file mode 100644
index 0000000..533a8b1
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan
@@ -0,0 +1,164 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- SORT_MERGE_EXCHANGE [$$93(ASC), $$94(ASC) ]  |PARTITIONED|
+            -- STABLE_SORT [$$93(ASC), $$94(ASC)]  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- HYBRID_HASH_JOIN [$$94, $$93][$$100, $$102]  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- NESTED_LOOP  |PARTITIONED|
+                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                            -- DATASOURCE_SCAN  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- SPLIT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$100]  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- PRE_CLUSTERED_GROUP_BY[$$91, $$92]  |PARTITIONED|
+                                          {
+                                            -- AGGREGATE  |LOCAL|
+                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                          }
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STABLE_SORT [$$91(ASC), $$92(ASC)]  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$91, $$92]  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$12][$$23]  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- SPLIT  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- UNNEST  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- PRE_CLUSTERED_GROUP_BY[$$105]  |PARTITIONED|
+                                                                                    {
+                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                    }
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- STABLE_SORT [$$105(ASC), $$21(ASC)]  |PARTITIONED|
+                                                                                  -- HASH_PARTITION_EXCHANGE [$$105]  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- HYBRID_HASH_JOIN [$$15][$$18]  |PARTITIONED|
+                                                                                          -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
+                                                                                            -- UNNEST  |PARTITIONED|
+                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                          -- HASH_PARTITION_EXCHANGE [$$18]  |PARTITIONED|
+                                                                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                -- SORT_MERGE_EXCHANGE [$$107(ASC), $$18(ASC) ]  |PARTITIONED|
+                                                                                                  -- STABLE_SORT [$$107(ASC), $$18(ASC)]  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$135]  |PARTITIONED|
+                                                                                                              {
+                                                                                                                -- AGGREGATE  |LOCAL|
+                                                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                              }
+                                                                                                        -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$135(ASC)] HASH:[$$135]  |PARTITIONED|
+                                                                                                          -- SORT_GROUP_BY[$$17]  |PARTITIONED|
+                                                                                                                  {
+                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                  }
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                -- UNNEST  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- SPLIT  |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 [$$23]  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- UNNEST  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- PRE_CLUSTERED_GROUP_BY[$$105]  |PARTITIONED|
+                                                                              {
+                                                                                -- AGGREGATE  |LOCAL|
+                                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                              }
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- STABLE_SORT [$$105(ASC), $$21(ASC)]  |PARTITIONED|
+                                                                            -- HASH_PARTITION_EXCHANGE [$$105]  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- HYBRID_HASH_JOIN [$$15][$$18]  |PARTITIONED|
+                                                                                    -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
+                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                        -- ASSIGN  |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 [$$18]  |PARTITIONED|
+                                                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- SORT_MERGE_EXCHANGE [$$107(ASC), $$18(ASC) ]  |PARTITIONED|
+                                                                                            -- STABLE_SORT [$$107(ASC), $$18(ASC)]  |PARTITIONED|
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- PRE_CLUSTERED_GROUP_BY[$$135]  |PARTITIONED|
+                                                                                                        {
+                                                                                                          -- AGGREGATE  |LOCAL|
+                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                        }
+                                                                                                  -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$135(ASC)] HASH:[$$135]  |PARTITIONED|
+                                                                                                    -- SORT_GROUP_BY[$$17]  |PARTITIONED|
+                                                                                                            {
+                                                                                                              -- AGGREGATE  |LOCAL|
+                                                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                            }
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                          -- UNNEST  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- SPLIT  |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/split-materialization.plan b/asterix-app/src/test/resources/optimizerts/results/split-materialization.plan
new file mode 100644
index 0000000..7c08418
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/split-materialization.plan
@@ -0,0 +1,31 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$30(ASC), $$31(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$30(ASC), $$31(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- NESTED_LOOP  |PARTITIONED|
+                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- SPLIT  |PARTITIONED|
+                          -- 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|
+                  -- SPLIT  |PARTITIONED|
+                    -- 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|
diff --git a/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.1.ddl.aql
new file mode 100644
index 0000000..ad913c6
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.1.ddl.aql
@@ -0,0 +1,22 @@
+drop dataverse TinySocial if exists;
+create dataverse TinySocial;
+use dataverse TinySocial;
+
+
+create type EmploymentType as open {
+        organization-name: string,      
+        start-date: date,
+        end-date: date?
+}
+
+create type FacebookUserType as closed {
+        id: int32,
+        alias: string,
+        name: string,
+        user-since: datetime,
+        friend-ids: {{ int32 }},
+        employment: [EmploymentType]
+}
+
+create dataset FacebookUsers(FacebookUserType)
+primary key id;
diff --git a/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql
new file mode 100644
index 0000000..30468b7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql
@@ -0,0 +1,4 @@
+use dataverse TinySocial;
+
+load dataset FacebookUsers using localfs
+(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.3.query.aql
new file mode 100644
index 0000000..6303d6c
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.3.query.aql
@@ -0,0 +1,9 @@
+use dataverse TinySocial;
+
+let $lonelyusers := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
+let $lonelyusers2 := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
+for $l1 in $lonelyusers
+for $l2 in $lonelyusers2
+where $l1.id < $l2.id
+order by $l1.id, $l2.id
+return { "user1": { "id": $l1.id, "name": $l1.name }, "user2": { "id": $l2.id, "name": $l2.name } };
diff --git a/asterix-app/src/test/resources/runtimets/results/materialization/assign-reuse/assign-reuse.1.adm b/asterix-app/src/test/resources/runtimets/results/materialization/assign-reuse/assign-reuse.1.adm
new file mode 100644
index 0000000..f780f0d
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/materialization/assign-reuse/assign-reuse.1.adm
@@ -0,0 +1,3 @@
+{ "user1": { "id": 4, "name": "NicholasStroh" }, "user2": { "id": 7, "name": "SuzannaTillson" } }
+{ "user1": { "id": 4, "name": "NicholasStroh" }, "user2": { "id": 8, "name": "NilaMilliron" } }
+{ "user1": { "id": 7, "name": "SuzannaTillson" }, "user2": { "id": 8, "name": "NilaMilliron" } }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 272e509..9a24645 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -5157,6 +5157,13 @@
       </compilation-unit>
     </test-case>
   </test-group>
+  <test-group name="materialization">
+    <test-case FilePath="materialization">
+      <compilation-unit name="assign-reuse">
+        <output-dir compare="Text">assign-reuse</output-dir>
+      </compilation-unit>
+    </test-case>
+  </test-group>
   <test-group name="filters">
   		<test-case FilePath="filters">
 			<compilation-unit name="equality-predicate">