diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
index 9ef7d4a..1847b47 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ASTERIXDB-2402.plan
@@ -47,116 +47,115 @@
                                           -- HYBRID_HASH_JOIN [$$266][$$237]  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                               -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- UNNEST  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- PRE_CLUSTERED_GROUP_BY[$$322]  |PARTITIONED|
-                                                              {
-                                                                -- AGGREGATE  |LOCAL|
-                                                                  -- MICRO_PRE_CLUSTERED_GROUP_BY[$$324, $$325]  |LOCAL|
-                                                                          {
-                                                                            -- AGGREGATE  |LOCAL|
-                                                                              -- STREAM_SELECT  |LOCAL|
-                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                          }
-                                                                    -- STREAM_SELECT  |LOCAL|
-                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                              }
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$322(ASC), $$324(ASC), $$325(ASC)]  |PARTITIONED|
-                                                            -- HASH_PARTITION_EXCHANGE [$$322]  |PARTITIONED|
-                                                              -- UNION_ALL  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- SPLIT  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  -- NESTED_LOOP  |PARTITIONED|
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      -- NESTED_LOOP  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- STABLE_SORT [$$274(ASC)]  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                -- UNNEST  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- PRE_CLUSTERED_GROUP_BY[$$322]  |PARTITIONED|
+                                                            {
+                                                              -- AGGREGATE  |LOCAL|
+                                                                -- MICRO_PRE_CLUSTERED_GROUP_BY[$$324, $$325]  |LOCAL|
+                                                                        {
+                                                                          -- AGGREGATE  |LOCAL|
+                                                                            -- STREAM_SELECT  |LOCAL|
+                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                        }
+                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                            }
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STABLE_SORT [$$322(ASC), $$324(ASC), $$325(ASC)]  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$322]  |PARTITIONED|
+                                                            -- UNION_ALL  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- SPLIT  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- SPLIT  |PARTITIONED|
                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- NESTED_LOOP  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
+                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                            -- ASSIGN  |PARTITIONED|
                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                 -- NESTED_LOOP  |PARTITIONED|
                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                    -- NESTED_LOOP  |PARTITIONED|
                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- STREAM_SELECT  |PARTITIONED|
                                                                                                         -- ASSIGN  |PARTITIONED|
                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
+                                                                                                            -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- STABLE_SORT [$$274(ASC)]  |PARTITIONED|
+                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- STABLE_SORT [$$274(ASC)]  |PARTITIONED|
                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
+                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                                            -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- SPLIT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
+                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- NESTED_LOOP  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- NESTED_LOOP  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- BTREE_SEARCH (channels.Reports.Reports)  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- STABLE_SORT [$$274(ASC)]  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- BTREE_SEARCH (channels.Reports.report_time)  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                             -- HASH_PARTITION_EXCHANGE [$$237]  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query1.plan
index 6212dbb..ed2e3eb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query1.plan
@@ -2,21 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$54(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$54(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query2.plan
index ca38d69..4e34538 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query2.plan
@@ -2,21 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query3.plan
index 20950b3..c4fc356 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query3.plan
@@ -2,25 +2,23 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- STABLE_SORT [$$73(ASC)]  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$73(ASC)]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query6.plan
index ed51c26..1c7f3b2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query6.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query6.plan
@@ -4,27 +4,26 @@
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- UNNEST  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$97(ASC), $$98(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$97(ASC), $$98(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query7.plan
index 6da2dce..fae69eb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/atomic-and-array-queries/query7.plan
@@ -4,27 +4,26 @@
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- ASSIGN  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- UNNEST  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$115(ASC), $$116(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.Dataset1.Dataset1)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$115(ASC), $$116(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestDataverse.Dataset1.d1Idx)  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestDataverse.Dataset2)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query1.plan
index 060a214..77af87e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query1.plan
@@ -3,28 +3,27 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- STREAM_SELECT  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$52(ASC), $$53(ASC)]  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- STREAM_SELECT  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$52(ASC), $$53(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query2.plan
index 87015b6..26f6454 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query2.plan
@@ -3,28 +3,27 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$52(ASC), $$53(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- RUNNING_AGGREGATE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$52(ASC), $$53(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                          -- RUNNING_AGGREGATE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query3.plan
index f51fb94..15fb51a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query3.plan
@@ -5,27 +5,26 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$80(ASC), $$81(ASC)]  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$80(ASC), $$81(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query4.plan
index 0bc3a2d..525a086 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-1/query4.plan
@@ -12,23 +12,22 @@
                       -- HASH_PARTITION_EXCHANGE [$$75]  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- LEFT_OUTER_UNNEST  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$84(ASC), $$75(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- LEFT_OUTER_UNNEST  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$84(ASC), $$75(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query1.plan
index 4bc60c4..d72b476 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query1.plan
@@ -3,27 +3,26 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_SELECT  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_SELECT  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query2.plan
index 8fdd953..de28662 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query2.plan
@@ -3,28 +3,27 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- RUNNING_AGGREGATE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                          -- RUNNING_AGGREGATE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query3.plan
index 3c67e37..57f75e8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query3.plan
@@ -5,27 +5,26 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$82(ASC), $$83(ASC)]  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$82(ASC), $$83(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query4.plan
index 68075eb..ba46c6b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-2/query4.plan
@@ -12,23 +12,22 @@
                       -- HASH_PARTITION_EXCHANGE [$$76]  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- LEFT_OUTER_UNNEST  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$86(ASC), $$76(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- LEFT_OUTER_UNNEST  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$86(ASC), $$76(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query1.plan
index 36331ea..3fc1b0d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query1.plan
@@ -3,28 +3,27 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- STREAM_SELECT  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- STREAM_SELECT  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query2.plan
index 3069c27..6847b8e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query2.plan
@@ -4,26 +4,25 @@
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
           -- STREAM_SELECT  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- UNNEST  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query3.plan
index 8fdd953..de28662 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query3.plan
@@ -3,28 +3,27 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- RUNNING_AGGREGATE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$54(ASC), $$55(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                          -- RUNNING_AGGREGATE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query4.plan
index 3c67e37..57f75e8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query4.plan
@@ -5,27 +5,26 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STABLE_SORT [$$82(ASC), $$83(ASC)]  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$82(ASC), $$83(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query5.plan
index 88fd6d7..10752e3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-3/query5.plan
@@ -12,23 +12,22 @@
                       -- HASH_PARTITION_EXCHANGE [$$77]  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- LEFT_OUTER_UNNEST  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$86(ASC), $$77(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- LEFT_OUTER_UNNEST  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$86(ASC), $$77(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query1.plan
index 649164f..ab2d4a2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query1.plan
@@ -3,31 +3,29 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- STREAM_SELECT  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
+                                  -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                      -- STABLE_SORT [$$65(ASC), $$66(ASC)]  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STABLE_SORT [$$65(ASC), $$66(ASC)]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
+                                              -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                  -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query2.plan
index 78c641c..f0f3131 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query2.plan
@@ -3,33 +3,31 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- STREAM_SELECT  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- STREAM_SELECT  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- STREAM_SELECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
+                      -- STREAM_SELECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
+                                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                          -- STABLE_SORT [$$68(ASC), $$69(ASC)]  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$68(ASC), $$69(ASC)]  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
+                                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query3.plan
index bae7177..fec8c7b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query3.plan
@@ -3,31 +3,29 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                  -- STABLE_SORT [$$65(ASC), $$66(ASC)]  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$65(ASC), $$66(ASC)]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query4.plan
index 2f0735e..71f0b32 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query4.plan
@@ -5,30 +5,28 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
+                                  -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                      -- STABLE_SORT [$$93(ASC), $$94(ASC)]  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STABLE_SORT [$$93(ASC), $$94(ASC)]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                              -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                  -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query5.plan
index 274bc77..a8d1f6d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/join-unnest-queries/use-case-4/query5.plan
@@ -12,26 +12,24 @@
                       -- HASH_PARTITION_EXCHANGE [$$87]  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- LEFT_OUTER_UNNEST  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- LEFT_OUTER_UNNEST  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
+                            -- LEFT_OUTER_UNNEST  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- LEFT_OUTER_UNNEST  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                                -- STABLE_SORT [$$97(ASC), $$87(ASC)]  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STABLE_SORT [$$97(ASC), $$87(ASC)]  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
+                                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- DATASOURCE_SCAN (TestYelp.YelpCheckinDateMarkers)  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query1.plan
index cd3b1ce..98ba9bc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query2.plan
index 8824fab..d18544a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-1/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query1.plan
index f9c491f..160514d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query2.plan
index e7bcaef..aec2f23 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-2/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query1.plan
index f9c491f..160514d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query2.plan
index d6d4ff5..ebbf2ae 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query2.plan
@@ -6,20 +6,19 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query3.plan
index 9de16ea..330522e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-3/query3.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query1.plan
index c52f572..e12e5a5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query1.plan
@@ -3,23 +3,21 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query2.plan
index 3f2cf57..1363a50 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/use-case-4/query2.plan
@@ -5,23 +5,21 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                  -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
index 9de16ea..330522e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
index 5562eb9..380c782 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$63(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$63(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
index 9b16614..98a243e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$36(ASC), $$37(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$36(ASC), $$37(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
index 6be3083..c565154 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$58(ASC), $$59(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$58(ASC), $$59(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
index bba0b9c..f0b1594 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
@@ -3,21 +3,20 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
index 5270cb8..9c70594 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
@@ -6,20 +6,19 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$61(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$61(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query3.plan
index d775a7f..a2530d6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-composite-sk/query3.plan
@@ -6,11 +6,10 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
index bcbfd26..c292dfc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
@@ -3,21 +3,20 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
index 8824fab..d18544a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query1.plan
index d2b07f0..a585a44 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query1.plan
@@ -2,20 +2,19 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex1)  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex1)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query2.plan
index 8c28b80..4c51096 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query2.plan
@@ -2,20 +2,19 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex2)  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex2)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query3.plan
index 61d65bc..d576fc3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query3.plan
@@ -2,23 +2,21 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex3)  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex3)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query4.plan
index 8f08a43..f22a65a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query4.plan
@@ -2,23 +2,21 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex4)  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex4)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query5.plan
index ee45740..85d939a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query5.plan
@@ -2,20 +2,19 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex1c)  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex1c)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query6.plan
index fb36891..1b44a26 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query6.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query6.plan
@@ -2,20 +2,19 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex2c)  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex2c)  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query7.plan
index 48372d3..9ecb9c8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query7.plan
@@ -2,23 +2,21 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex3c)  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex3c)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query8.plan
index c6339c3..b6c6d86 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/complex-structures/query8.plan
@@ -2,23 +2,21 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestDataverse.TestDataset.TestDataset)  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex4c)  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestDataverse.TestDataset.testIndex4c)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
index 9201537..6b57fed 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
@@ -2,33 +2,32 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- INTERSECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INTERSECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
index 41dba12..c8fbf32 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
@@ -2,44 +2,43 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- INTERSECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (test.KSI.KS1_array_index3)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- BTREE_SEARCH (test.KSI.KSI)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- INTERSECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (test.KSI.KS1_array_index1)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (test.KSI.KS1_array_index2)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (test.KSI.KS1_array_index3)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query1.plan
index cd3b1ce..98ba9bc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query2.plan
index 8824fab..d18544a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-1/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$57(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query1.plan
index f9c491f..160514d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query2.plan
index e7bcaef..aec2f23 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-2/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query1.plan
index f9c491f..160514d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query2.plan
index d6d4ff5..ebbf2ae 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query2.plan
@@ -6,20 +6,19 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query3.plan
index 9de16ea..330522e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-3/query3.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query1.plan
index c52f572..e12e5a5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query1.plan
@@ -3,23 +3,21 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query2.plan
index 3f2cf57..1363a50 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/use-case-4/query2.plan
@@ -5,23 +5,21 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                  -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
+                                          -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
index 9de16ea..330522e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
@@ -3,20 +3,19 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
index 5562eb9..380c782 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
@@ -5,20 +5,19 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$63(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$63(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDates)  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-composite-sk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
index bba0b9c..f0b1594 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
@@ -3,21 +3,20 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- BTREE_SEARCH (TestYelp.YelpCheckin.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$46(ASC)]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH (TestYelp.YelpCheckin.IdxYelpCheckinDatesTimes)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-20.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-20.plan
index 6d690d2..aa0bf62 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-20.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-20.plan
@@ -6,20 +6,19 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.orders.orders)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (test.orders.orderline_delivery_d)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (test.orders.orders)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.orders.orderline_delivery_d)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-21.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-21.plan
index cf51edb..d018905 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-21.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/btree-index-selection/hints-use-index/hints-use-index-21.plan
@@ -6,20 +6,19 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- BTREE_SEARCH (test.orders.orders)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH (test.orders.orderline_delivery_d)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- BTREE_SEARCH (test.orders.orders)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH (test.orders.orderline_delivery_d)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q1.plan
index 64163ba..86c3d84 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q1.plan
@@ -17,11 +17,10 @@
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- STREAM_SELECT  |PARTITIONED|
                     -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- UNNEST  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- UNNEST  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q10.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q10.plan
index d1beca2..f314a16 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q10.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q10.plan
@@ -42,13 +42,12 @@
                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                 -- HASH_PARTITION_EXCHANGE [$$170, $$172, $$174]  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- UNNEST  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- STREAM_SELECT  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- UNNEST  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q12.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q12.plan
index e8a613d..6165140 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q12.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q12.plan
@@ -17,11 +17,10 @@
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- STREAM_SELECT  |PARTITIONED|
                     -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- UNNEST  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- UNNEST  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q14.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q14.plan
index 8ba4707..33e5839 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q14.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q14.plan
@@ -19,11 +19,10 @@
                       -- STREAM_PROJECT  |PARTITIONED|
                         -- STREAM_SELECT  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- UNNEST  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- UNNEST  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q15.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q15.plan
index fa6963d..97a8934 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q15.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q15.plan
@@ -49,14 +49,13 @@
                                                           -- REPLICATE  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                               -- ASSIGN  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- UNNEST  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- UNNEST  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           -- HASH_PARTITION_EXCHANGE [$$268]  |PARTITIONED|
                             -- ASSIGN  |UNPARTITIONED|
                               -- AGGREGATE  |UNPARTITIONED|
@@ -97,14 +96,13 @@
                                                                   -- REPLICATE  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                       -- ASSIGN  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          -- UNNEST  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                        -- UNNEST  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- HASH_PARTITION_EXCHANGE [$$230]  |PARTITIONED|
                     -- ASSIGN  |PARTITIONED|
                       -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q17.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q17.plan
index 029a986..69509e3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q17.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q17.plan
@@ -39,25 +39,23 @@
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                             -- REPLICATE  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- UNNEST  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- UNNEST  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                       -- HASH_PARTITION_EXCHANGE [$$152]  |PARTITIONED|
                         -- ASSIGN  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               -- REPLICATE  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- UNNEST  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- UNNEST  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q18.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q18.plan
index b13c7da..daff2ed 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q18.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q18.plan
@@ -29,14 +29,13 @@
                                         -- HYBRID_HASH_JOIN [$$188, $$183, $$184][$$185, $$189, $$190]  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$188, $$183, $$184]  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- UNNEST  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- UNNEST  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$185, $$189, $$190]  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
                                               -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q19.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q19.plan
index cb50099..ddd99c8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q19.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q19.plan
@@ -11,14 +11,13 @@
                     -- HYBRID_HASH_JOIN [$$126][$$127]  |PARTITIONED|
                       -- HASH_PARTITION_EXCHANGE [$$126]  |PARTITIONED|
                         -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- UNNEST  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- UNNEST  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                       -- HASH_PARTITION_EXCHANGE [$$127]  |PARTITIONED|
                         -- STREAM_SELECT  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q20.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q20.plan
index dd8815c..b84456f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q20.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q20.plan
@@ -87,14 +87,13 @@
                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                       -- STREAM_SELECT  |PARTITIONED|
                                                                         -- ASSIGN  |PARTITIONED|
-                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                            -- UNNEST  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                          -- UNNEST  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- HASH_PARTITION_EXCHANGE [$$187]  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- STREAM_SELECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q21.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q21.plan
index b0287b5..d925462 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q21.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q21.plan
@@ -77,32 +77,30 @@
                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                           -- STREAM_SELECT  |PARTITIONED|
                                                             -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- UNNEST  |PARTITIONED|
-                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- REPLICATE  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- UNNEST  |PARTITIONED|
+                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- REPLICATE  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                               -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- UNNEST  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                    -- UNNEST  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
                                                             -- ASSIGN  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- REPLICATE  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- REPLICATE  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q3.plan
index 338bbff..3643aa7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q3.plan
@@ -21,28 +21,27 @@
                         -- HYBRID_HASH_JOIN [$$204, $$205, $$221][$$217, $$218, $$219]  |PARTITIONED|
                           -- HASH_PARTITION_EXCHANGE [$$204, $$205, $$221]  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- UNNEST  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- HYBRID_HASH_JOIN [$$214, $$204, $$205][$$213, $$215, $$216]  |PARTITIONED|
-                                        -- HASH_PARTITION_EXCHANGE [$$214, $$204, $$205]  |PARTITIONED|
+                              -- UNNEST  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- HYBRID_HASH_JOIN [$$214, $$204, $$205][$$213, $$215, $$216]  |PARTITIONED|
+                                      -- HASH_PARTITION_EXCHANGE [$$214, $$204, $$205]  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- HASH_PARTITION_EXCHANGE [$$213, $$215, $$216]  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
                                           -- STREAM_SELECT  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
                                               -- STREAM_PROJECT  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN (test.customer)  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- HASH_PARTITION_EXCHANGE [$$213, $$215, $$216]  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- STREAM_SELECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN (test.customer)  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           -- HASH_PARTITION_EXCHANGE [$$217, $$218, $$219]  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q5.plan
index ae569c6..38a12a5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q5.plan
@@ -39,16 +39,15 @@
                                               -- HYBRID_HASH_JOIN [$$260, $$254, $$263][$$276, $$277, $$278]  |PARTITIONED|
                                                 -- HASH_PARTITION_EXCHANGE [$$260, $$254, $$263]  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- UNNEST  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- UNNEST  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                 -- HASH_PARTITION_EXCHANGE [$$276, $$277, $$278]  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q6.plan
index a1ad548..dbf3f6e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q6.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q6.plan
@@ -7,11 +7,10 @@
             -- STREAM_PROJECT  |PARTITIONED|
               -- STREAM_SELECT  |PARTITIONED|
                 -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- UNNEST  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q7.plan
index f3f3a9c..9cbbe1b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q7.plan
@@ -38,14 +38,13 @@
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- STREAM_SELECT  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- UNNEST  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- UNNEST  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$305, $$306, $$307]  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q8.plan
index 371c946..0ca743e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q8.plan
@@ -41,15 +41,14 @@
                                                   -- HASH_PARTITION_EXCHANGE [$$306]  |PARTITIONED|
                                                     -- STREAM_SELECT  |PARTITIONED|
                                                       -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- UNNEST  |PARTITIONED|
-                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- UNNEST  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                   -- HASH_PARTITION_EXCHANGE [$$324]  |PARTITIONED|
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- STREAM_SELECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q9.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q9.plan
index ff9d0c9..bf84bc9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q9.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/ch2/ch2_q9.plan
@@ -36,14 +36,13 @@
                                         -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- UNNEST  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- UNNEST  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$207]  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- STREAM_SELECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
index c12b859..409f99b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/joins/inner_right_corr.plan
@@ -24,29 +24,28 @@
                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                         -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- UNNEST  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- SUBPLAN  |PARTITIONED|
-                                          {
-                                            -- AGGREGATE  |LOCAL|
-                                              -- STREAM_SELECT  |LOCAL|
-                                                -- ASSIGN  |LOCAL|
-                                                  -- UNNEST  |LOCAL|
-                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                          }
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- NESTED_LOOP  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
+                            -- UNNEST  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- SUBPLAN  |PARTITIONED|
+                                        {
+                                          -- AGGREGATE  |LOCAL|
+                                            -- STREAM_SELECT  |LOCAL|
+                                              -- ASSIGN  |LOCAL|
+                                                -- UNNEST  |LOCAL|
+                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                        }
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- NESTED_LOOP  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.t2)  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN (test.t2)  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/meta/with_clause_meta.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/meta/with_clause_meta.plan
index 63e6c82..2fcabd6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/meta/with_clause_meta.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/meta/with_clause_meta.plan
@@ -9,30 +9,29 @@
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
                     -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- UNNEST  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- PRE_CLUSTERED_GROUP_BY[$$119]  |PARTITIONED|
-                                      {
-                                        -- AGGREGATE  |LOCAL|
-                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                      }
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$119(ASC)]  |PARTITIONED|
-                                    -- HASH_PARTITION_EXCHANGE [$$119]  |PARTITIONED|
+                      -- UNNEST  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$119]  |PARTITIONED|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
+                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$119(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$119]  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
                                       -- ASSIGN  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- HYBRID_HASH_JOIN [$$100][$$123]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN (test.ds)  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- UNNEST  |UNPARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- HYBRID_HASH_JOIN [$$100][$$123]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN (test.ds)  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- UNNEST  |UNPARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/query_issue3316.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/query_issue3316.plan
index 071e628..1d987dd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/query_issue3316.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/query_issue3316.plan
@@ -91,121 +91,120 @@
                                                                                 -- ASSIGN  |PARTITIONED|
                                                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                                                     -- STREAM_SELECT  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- UNNEST  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$238, $$235]  |PARTITIONED|
-                                                                                                    {
+                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$238, $$235]  |PARTITIONED|
+                                                                                                  {
+                                                                                                    -- AGGREGATE  |LOCAL|
                                                                                                       -- AGGREGATE  |LOCAL|
-                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- STABLE_SORT [$$238(ASC), $$235(ASC)]  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$238, $$235][$$252, $$249]  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                  }
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- STABLE_SORT [$$238(ASC), $$235(ASC)]  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$238, $$235][$$252, $$249]  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
+                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$252, $$249]  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                -- HYBRID_HASH_JOIN [$$135][$$198]  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                        -- HYBRID_HASH_JOIN [$$243][$$210]  |PARTITIONED|
                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                             -- ASSIGN  |PARTITIONED|
                                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                 -- REPLICATE  |PARTITIONED|
-                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
-                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$252, $$249]  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- HYBRID_HASH_JOIN [$$135][$$198]  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- HYBRID_HASH_JOIN [$$243][$$210]  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                          -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
-                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$210]  |PARTITIONED|
-                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
                                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                             -- ASSIGN  |PARTITIONED|
                                                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                 -- REPLICATE  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                    -- ASSIGN  |PARTITIONED|
                                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- UNNEST  |UNPARTITIONED|
-                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
+                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$210]  |PARTITIONED|
+                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- UNNEST  |UNPARTITIONED|
+                                                                                                                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                                                       -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                         -- UNNEST  |UNPARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
@@ -320,124 +319,123 @@
                                                                                                                                   -- ASSIGN  |PARTITIONED|
                                                                                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                       -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                          -- UNNEST  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$284, $$285]  |PARTITIONED|
-                                                                                                                                                      {
+                                                                                                                                        -- UNNEST  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$284, $$285]  |PARTITIONED|
+                                                                                                                                                    {
+                                                                                                                                                      -- AGGREGATE  |LOCAL|
                                                                                                                                                         -- AGGREGATE  |LOCAL|
-                                                                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                                                                            -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                      }
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- STABLE_SORT [$$284(ASC), $$285(ASC)]  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- HYBRID_HASH_JOIN [$$284, $$285][$$294, $$295]  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                    }
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- STABLE_SORT [$$284(ASC), $$285(ASC)]  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- HYBRID_HASH_JOIN [$$284, $$285][$$294, $$295]  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
+                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$294, $$295]  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$302][$$301]  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                       -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$304][$$303]  |PARTITIONED|
                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                               -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                   -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                               -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
-                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
+                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
+                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
                                                                                                                                                                                           -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                               -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$294, $$295]  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$302][$$301]  |PARTITIONED|
-                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$304][$$303]  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
-                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                       -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
-                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                        -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                                                                                                         -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                           -- UNNEST  |UNPARTITIONED|
                                                                                                             -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
@@ -454,353 +452,174 @@
                                                                         -- ASSIGN  |PARTITIONED|
                                                                           -- STREAM_PROJECT  |PARTITIONED|
                                                                             -- STREAM_SELECT  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- UNNEST  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- PRE_CLUSTERED_GROUP_BY[$$327, $$326]  |PARTITIONED|
-                                                                                            {
+                                                                              -- UNNEST  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- PRE_CLUSTERED_GROUP_BY[$$327, $$326]  |PARTITIONED|
+                                                                                          {
+                                                                                            -- AGGREGATE  |LOCAL|
                                                                                               -- AGGREGATE  |LOCAL|
-                                                                                                -- AGGREGATE  |LOCAL|
-                                                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                            }
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- STABLE_SORT [$$327(ASC), $$326(ASC)]  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- HYBRID_HASH_JOIN [$$327, $$326][$$398, $$397]  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$327, $$326]  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$320][$$319]  |PARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$320]  |PARTITIONED|
-                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$328]  |PARTITIONED|
-                                                                                                                    {
-                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                    }
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- STABLE_SORT [$$328(ASC)]  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- HYBRID_HASH_JOIN [$$328][$$331]  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
-                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$331]  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- HYBRID_HASH_JOIN [$$336][$$335]  |PARTITIONED|
+                                                                                                -- STREAM_SELECT  |LOCAL|
+                                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                          }
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- STABLE_SORT [$$327(ASC), $$326(ASC)]  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- HYBRID_HASH_JOIN [$$327, $$326][$$398, $$397]  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$327, $$326]  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$320][$$319]  |PARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$320]  |PARTITIONED|
+                                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$328]  |PARTITIONED|
+                                                                                                                  {
+                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                  }
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- STABLE_SORT [$$328(ASC)]  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- HYBRID_HASH_JOIN [$$328][$$331]  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
+                                                                                                                                  -- REPLICATE  |PARTITIONED|
                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$338, $$340]  |PARTITIONED|
-                                                                                                                                                      {
-                                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                      }
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- STABLE_SORT [$$338(ASC), $$340(ASC)]  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- HYBRID_HASH_JOIN [$$338, $$340][$$348, $$349]  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
-                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$331]  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- HYBRID_HASH_JOIN [$$336][$$335]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$338, $$340]  |PARTITIONED|
+                                                                                                                                                    {
+                                                                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                    }
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- STABLE_SORT [$$338(ASC), $$340(ASC)]  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- HYBRID_HASH_JOIN [$$338, $$340][$$348, $$349]  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
                                                                                                                                                                     -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
+                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                  -- UNNEST  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$354, $$355]  |PARTITIONED|
+                                                                                                                                                                              {
+                                                                                                                                                                                -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                    -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                              }
                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$354, $$355]  |PARTITIONED|
-                                                                                                                                                                                  {
-                                                                                                                                                                                    -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                                  }
+                                                                                                                                                                          -- STABLE_SORT [$$354(ASC), $$355(ASC)]  |PARTITIONED|
                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- STABLE_SORT [$$354(ASC), $$355(ASC)]  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$354, $$355][$$364, $$365]  |PARTITIONED|
                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$354, $$355][$$364, $$365]  |PARTITIONED|
+                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
-                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
+                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                   -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                       -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
                                                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
-                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$364, $$365]  |PARTITIONED|
-                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- HYBRID_HASH_JOIN [$$372][$$371]  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$374][$$373]  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
-                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
-                                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
-                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- UNNEST  |UNPARTITIONED|
-                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$398, $$397]  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- HYBRID_HASH_JOIN [$$172][$$200]  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- HYBRID_HASH_JOIN [$$391][$$216]  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- HYBRID_HASH_JOIN [$$391][$$390]  |PARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$391]  |PARTITIONED|
-                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$399]  |PARTITIONED|
-                                                                                                                                      {
-                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                      }
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- STABLE_SORT [$$399(ASC)]  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                          -- HYBRID_HASH_JOIN [$$399][$$402]  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
-                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$402]  |PARTITIONED|
-                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- HYBRID_HASH_JOIN [$$407][$$406]  |PARTITIONED|
-                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                -- PRE_CLUSTERED_GROUP_BY[$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                        {
-                                                                                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                                                                                            -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                        }
-                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                    -- STABLE_SORT [$$409(ASC), $$411(ASC)]  |PARTITIONED|
-                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$409, $$411][$$419, $$420]  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
+                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$364, $$365]  |PARTITIONED|
+                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$372][$$371]  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$374][$$373]  |PARTITIONED|
                                                                                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                         -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
-                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                        -- UNNEST  |PARTITIONED|
-                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$425, $$426]  |PARTITIONED|
-                                                                                                                                                                                                    {
-                                                                                                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                                                    }
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- STABLE_SORT [$$425(ASC), $$426(ASC)]  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$425, $$426][$$435, $$436]  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                             -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
                                                                                                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                         -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -815,7 +634,7 @@
                                                                                                                                                                                                                                             -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
                                                                                                                                                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
+                                                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
                                                                                                                                                                                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                                           -- STREAM_SELECT  |PARTITIONED|
                                                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -829,100 +648,276 @@
                                                                                                                                                                                                                                             -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
                                                                                                                                                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$435, $$436]  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$443][$$442]  |PARTITIONED|
-                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
+                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- UNNEST  |UNPARTITIONED|
+                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$398, $$397]  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- HYBRID_HASH_JOIN [$$172][$$200]  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- HYBRID_HASH_JOIN [$$391][$$216]  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- HYBRID_HASH_JOIN [$$391][$$390]  |PARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$391]  |PARTITIONED|
+                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$399]  |PARTITIONED|
+                                                                                                                                    {
+                                                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                    }
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- STABLE_SORT [$$399(ASC)]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                        -- HYBRID_HASH_JOIN [$$399][$$402]  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
+                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$402]  |PARTITIONED|
+                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- HYBRID_HASH_JOIN [$$407][$$406]  |PARTITIONED|
+                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$409, $$411]  |PARTITIONED|
+                                                                                                                                                                      {
+                                                                                                                                                                        -- AGGREGATE  |LOCAL|
+                                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                      }
+                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                  -- STABLE_SORT [$$409(ASC), $$411(ASC)]  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$409, $$411][$$419, $$420]  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
+                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
+                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
+                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                    -- UNNEST  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- PRE_CLUSTERED_GROUP_BY[$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                                {
+                                                                                                                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                                                }
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- STABLE_SORT [$$425(ASC), $$426(ASC)]  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$425, $$426][$$435, $$436]  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- HYBRID_HASH_JOIN [$$428][$$427]  |PARTITIONED|
+                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
+                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$427]  |PARTITIONED|
+                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
                                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$445][$$444]  |PARTITIONED|
+                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$435, $$436]  |PARTITIONED|
+                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- HYBRID_HASH_JOIN [$$443][$$442]  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$445][$$444]  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
                                                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
-                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
-                                                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
-                                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
                                                                                                                                                                                                                                       -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                                           -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$417]  |PARTITIONED|
                                                                                                                                                                                                                                               -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                                                   -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$390]  |PARTITIONED|
+                                                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$448]  |PARTITIONED|
+                                                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
+                                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$390]  |PARTITIONED|
+                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$216]  |PARTITIONED|
+                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                               -- ASSIGN  |PARTITIONED|
                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                   -- REPLICATE  |PARTITIONED|
                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$216]  |PARTITIONED|
-                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                              -- UNNEST  |UNPARTITIONED|
-                                                                                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                            -- UNNEST  |UNPARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                                               -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                 -- UNNEST  |UNPARTITIONED|
                                                   -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/spatial_intersect_dynamic_partitioning.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/spatial_intersect_dynamic_partitioning.plan
index 11b7834..423affb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/spatial_intersect_dynamic_partitioning.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/spatial_join/spatial_intersect_dynamic_partitioning.plan
@@ -11,103 +11,101 @@
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                       -- STABLE_SORT [$$63(ASC), $$52(ASC)]  |PARTITIONED|
                         -- HASH_PARTITION_EXCHANGE [$$63]  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- UNNEST  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- NESTED_LOOP  |PARTITIONED|
-                                  -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
-                                    -- REPLICATE  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                        -- REPLICATE  |PARTITIONED|
+                          -- UNNEST  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- NESTED_LOOP  |PARTITIONED|
+                                -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                  -- REPLICATE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                -- NESTED_LOOP  |UNPARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- REPLICATE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- REPLICATE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- REPLICATE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                              -- NESTED_LOOP  |UNPARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- REPLICATE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- REPLICATE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                       -- STABLE_SORT [$$64(ASC), $$53(ASC)]  |PARTITIONED|
                         -- HASH_PARTITION_EXCHANGE [$$64]  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- UNNEST  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- NESTED_LOOP  |PARTITIONED|
-                                  -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
-                                    -- REPLICATE  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                        -- REPLICATE  |PARTITIONED|
+                          -- UNNEST  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- NESTED_LOOP  |PARTITIONED|
+                                -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
+                                  -- REPLICATE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                -- NESTED_LOOP  |UNPARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- REPLICATE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- REPLICATE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- REPLICATE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                              -- NESTED_LOOP  |UNPARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- REPLICATE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.ParkSet)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- REPLICATE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.LakeSet)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                 -- BROADCAST_EXCHANGE  |PARTITIONED|
                   -- REPLICATE  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_3.plan
index d020cf8..baae977 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_3.plan
@@ -24,18 +24,17 @@
                                     -- STREAM_SELECT  |PARTITIONED|
                                       -- RUNNING_AGGREGATE  |PARTITIONED|
                                         -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- UNNEST  |PARTITIONED|
+                                          -- UNNEST  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- REPLICATE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- ASSIGN  |PARTITIONED|
                                       -- STREAM_PROJECT  |PARTITIONED|
@@ -56,14 +55,13 @@
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- STREAM_SELECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- UNNEST  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- REPLICATE  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- UNNEST  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- REPLICATE  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_4.plan
index 41620ae..1c5ecc7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_4.plan
@@ -24,18 +24,17 @@
                                     -- STREAM_SELECT  |PARTITIONED|
                                       -- RUNNING_AGGREGATE  |PARTITIONED|
                                         -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- UNNEST  |PARTITIONED|
+                                          -- UNNEST  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- REPLICATE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- ASSIGN  |PARTITIONED|
                                       -- STREAM_PROJECT  |PARTITIONED|
@@ -56,14 +55,13 @@
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- STREAM_SELECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- UNNEST  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- REPLICATE  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- UNNEST  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- REPLICATE  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_5.plan
index b709e5b..9714755 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_5.plan
@@ -24,18 +24,17 @@
                                     -- STREAM_SELECT  |PARTITIONED|
                                       -- RUNNING_AGGREGATE  |PARTITIONED|
                                         -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- UNNEST  |PARTITIONED|
+                                          -- UNNEST  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- REPLICATE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                   -- BROADCAST_EXCHANGE  |PARTITIONED|
                                     -- ASSIGN  |PARTITIONED|
                                       -- STREAM_PROJECT  |PARTITIONED|
@@ -56,14 +55,13 @@
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- STREAM_SELECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- UNNEST  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- REPLICATE  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- UNNEST  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- REPLICATE  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_6.plan
index daf5b60..6796251 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_6.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_6.plan
@@ -19,18 +19,17 @@
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- UNNEST  |PARTITIONED|
+                              -- UNNEST  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- REPLICATE  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- REPLICATE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                         -- BROADCAST_EXCHANGE  |PARTITIONED|
                           -- AGGREGATE  |UNPARTITIONED|
                             -- SORT_MERGE_EXCHANGE [$$pid(ASC) ]  |PARTITIONED|
@@ -52,14 +51,13 @@
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- STREAM_SELECT  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- UNNEST  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- REPLICATE  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- UNNEST  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- REPLICATE  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_7.plan
index daf5b60..6796251 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_7.plan
@@ -19,18 +19,17 @@
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- STREAM_SELECT  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- UNNEST  |PARTITIONED|
+                              -- UNNEST  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- REPLICATE  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- REPLICATE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                         -- BROADCAST_EXCHANGE  |PARTITIONED|
                           -- AGGREGATE  |UNPARTITIONED|
                             -- SORT_MERGE_EXCHANGE [$$pid(ASC) ]  |PARTITIONED|
@@ -52,14 +51,13 @@
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- STREAM_SELECT  |PARTITIONED|
                                                 -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- UNNEST  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- REPLICATE  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                  -- UNNEST  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- REPLICATE  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_8.plan
index 643d93e..ab4e0be 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/in_let_8.plan
@@ -26,16 +26,15 @@
                                         -- STABLE_SORT [$$100(ASC), $$i1(ASC), $$103(ASC), $$99(ASC)]  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$100, $$i1, $$103, $$99]  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- UNNEST  |PARTITIONED|
+                                              -- UNNEST  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- REPLICATE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- REPLICATE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- ASSIGN  |PARTITIONED|
                                       -- STREAM_PROJECT  |PARTITIONED|
@@ -56,13 +55,12 @@
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- STREAM_SELECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- UNNEST  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                          -- UNNEST  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (test.cart)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-2.plan
index 7bf1ff9..9b70fb7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-2.plan
@@ -39,26 +39,25 @@
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- HYBRID_HASH_JOIN [$$ve][$$86]  |PARTITIONED|
                                                   -- HASH_PARTITION_EXCHANGE [$$ve]  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- UNNEST  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- HYBRID_HASH_JOIN [$$92][$$88]  |PARTITIONED|
-                                                              -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
-                                                                -- REPLICATE  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                              -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- UNNEST  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- HYBRID_HASH_JOIN [$$92][$$88]  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
+                                                              -- REPLICATE  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                   -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
                                                       -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-3.plan
index 18956e2..da70078 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815-3.plan
@@ -40,26 +40,25 @@
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- HYBRID_HASH_JOIN [$$ve][$$92]  |PARTITIONED|
                                                     -- HASH_PARTITION_EXCHANGE [$$ve]  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- UNNEST  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- HYBRID_HASH_JOIN [$$98][$$94]  |PARTITIONED|
-                                                                -- HASH_PARTITION_EXCHANGE [$$98]  |PARTITIONED|
-                                                                  -- REPLICATE  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                -- HASH_PARTITION_EXCHANGE [$$94]  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- UNNEST  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- HYBRID_HASH_JOIN [$$98][$$94]  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$98]  |PARTITIONED|
+                                                                -- REPLICATE  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$94]  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                     -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
                                                       -- ASSIGN  |PARTITIONED|
                                                         -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815.plan
index 1aaecd6..cc0b8b0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-2815.plan
@@ -41,26 +41,25 @@
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- HYBRID_HASH_JOIN [$$ve][$$78]  |PARTITIONED|
                                                       -- HASH_PARTITION_EXCHANGE [$$ve]  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- UNNEST  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- HYBRID_HASH_JOIN [$$85][$$81]  |PARTITIONED|
-                                                                  -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                  -- HASH_PARTITION_EXCHANGE [$$81]  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- UNNEST  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- HYBRID_HASH_JOIN [$$85][$$81]  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (test.RawTweet)  |PARTITIONED|
                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                               -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$81]  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN (test.Verification)  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                       -- HASH_PARTITION_EXCHANGE [$$78]  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
                                                           -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-3006.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-3006.plan
index 1a3b833..a11d093 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-3006.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/subquery/query-ASTERIXDB-3006.plan
@@ -24,13 +24,12 @@
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                               -- HYBRID_HASH_JOIN [$$b][$$51]  |PARTITIONED|
                                 -- HASH_PARTITION_EXCHANGE [$$b]  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- UNNEST  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- DATASOURCE_SCAN (test.ds1)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- UNNEST  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- DATASOURCE_SCAN (test.ds1)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                 -- HASH_PARTITION_EXCHANGE [$$51]  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-2.plan
index 4c5ec40..17c216f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-2.plan
@@ -1,100 +1,55 @@
 -- DISTRIBUTE_RESULT  |PARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- STREAM_PROJECT  |PARTITIONED|
-        -- UNNEST  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- NESTED_LOOP  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- NESTED_LOOP  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- NESTED_LOOP  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                          -- AGGREGATE  |UNPARTITIONED|
-                            -- AGGREGATE  |UNPARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                -- NESTED_LOOP  |UNPARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                    -- STREAM_PROJECT  |UNPARTITIONED|
-                                      -- STREAM_SELECT  |UNPARTITIONED|
-                                        -- ASSIGN  |UNPARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                            -- REPLICATE  |UNPARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                -- AGGREGATE  |UNPARTITIONED|
-                                                  -- AGGREGATE  |UNPARTITIONED|
-                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                      -- AGGREGATE  |PARTITIONED|
-                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- REPLICATE  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                    -- ASSIGN  |UNPARTITIONED|
-                                      -- AGGREGATE  |UNPARTITIONED|
-                                        -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                          -- AGGREGATE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- STREAM_SELECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                      -- AGGREGATE  |UNPARTITIONED|
+      -- UNNEST  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- NESTED_LOOP  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- NESTED_LOOP  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- NESTED_LOOP  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
                         -- AGGREGATE  |UNPARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                            -- NESTED_LOOP  |UNPARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                -- STREAM_PROJECT  |UNPARTITIONED|
-                                  -- STREAM_SELECT  |UNPARTITIONED|
-                                    -- ASSIGN  |UNPARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                        -- REPLICATE  |UNPARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                            -- AGGREGATE  |UNPARTITIONED|
+                          -- AGGREGATE  |UNPARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                              -- NESTED_LOOP  |UNPARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                  -- STREAM_PROJECT  |UNPARTITIONED|
+                                    -- STREAM_SELECT  |UNPARTITIONED|
+                                      -- ASSIGN  |UNPARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                          -- REPLICATE  |UNPARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                               -- AGGREGATE  |UNPARTITIONED|
-                                                -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                  -- AGGREGATE  |PARTITIONED|
-                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
+                                                -- AGGREGATE  |UNPARTITIONED|
+                                                  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                    -- AGGREGATE  |PARTITIONED|
+                                                      -- STREAM_SELECT  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- REPLICATE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                -- ASSIGN  |UNPARTITIONED|
-                                  -- AGGREGATE  |UNPARTITIONED|
-                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                      -- AGGREGATE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- STREAM_SELECT  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- REPLICATE  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                  -- ASSIGN  |UNPARTITIONED|
+                                    -- AGGREGATE  |UNPARTITIONED|
+                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                        -- AGGREGATE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- STREAM_SELECT  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- REPLICATE  |PARTITIONED|
@@ -104,23 +59,67 @@
                                                           -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                               -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                  -- ASSIGN  |UNPARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                      -- REPLICATE  |UNPARTITIONED|
+                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                    -- AGGREGATE  |UNPARTITIONED|
+                      -- AGGREGATE  |UNPARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                          -- NESTED_LOOP  |UNPARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                              -- STREAM_PROJECT  |UNPARTITIONED|
+                                -- STREAM_SELECT  |UNPARTITIONED|
+                                  -- ASSIGN  |UNPARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                      -- REPLICATE  |UNPARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                          -- AGGREGATE  |UNPARTITIONED|
+                                            -- AGGREGATE  |UNPARTITIONED|
+                                              -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                -- AGGREGATE  |PARTITIONED|
+                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- REPLICATE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                              -- ASSIGN  |UNPARTITIONED|
+                                -- AGGREGATE  |UNPARTITIONED|
+                                  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                    -- AGGREGATE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- REPLICATE  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                -- ASSIGN  |UNPARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                    -- REPLICATE  |UNPARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                        -- AGGREGATE  |UNPARTITIONED|
                           -- AGGREGATE  |UNPARTITIONED|
-                            -- AGGREGATE  |UNPARTITIONED|
-                              -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                -- AGGREGATE  |PARTITIONED|
-                                  -- STREAM_SELECT  |PARTITIONED|
+                            -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                              -- AGGREGATE  |PARTITIONED|
+                                -- STREAM_SELECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
                                     -- ASSIGN  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- REPLICATE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- REPLICATE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated-2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated-2.plan
index 093aeb2..bc494bd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated-2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated-2.plan
@@ -1,324 +1,323 @@
 -- DISTRIBUTE_RESULT  |PARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- STREAM_PROJECT  |PARTITIONED|
-        -- UNNEST  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$234]  |PARTITIONED|
-                        {
+      -- UNNEST  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- PRE_CLUSTERED_GROUP_BY[$$234]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
                           -- AGGREGATE  |LOCAL|
-                            -- AGGREGATE  |LOCAL|
-                              -- STREAM_SELECT  |LOCAL|
-                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$234(ASC)]  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$234][$$182]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_CLUSTERED_GROUP_BY[$$196]  |PARTITIONED|
-                                        {
+                            -- STREAM_SELECT  |LOCAL|
+                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STABLE_SORT [$$234(ASC)]  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$234][$$182]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_CLUSTERED_GROUP_BY[$$196]  |PARTITIONED|
+                                      {
+                                        -- AGGREGATE  |LOCAL|
                                           -- AGGREGATE  |LOCAL|
-                                            -- AGGREGATE  |LOCAL|
-                                              -- STREAM_SELECT  |LOCAL|
-                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                        }
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- HYBRID_HASH_JOIN [$$196][$$232]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- PRE_CLUSTERED_GROUP_BY[$$144]  |PARTITIONED|
-                                                    {
+                                            -- STREAM_SELECT  |LOCAL|
+                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                      }
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$196][$$232]  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- PRE_CLUSTERED_GROUP_BY[$$144]  |PARTITIONED|
+                                                  {
+                                                    -- AGGREGATE  |LOCAL|
                                                       -- AGGREGATE  |LOCAL|
-                                                        -- AGGREGATE  |LOCAL|
-                                                          -- STREAM_SELECT  |LOCAL|
-                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                    }
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STABLE_SORT [$$144(ASC)]  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$144][$$194]  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$144]  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$194]  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- SORT_GROUP_BY[$$240, $$241]  |PARTITIONED|
-                                                                          {
-                                                                            -- AGGREGATE  |LOCAL|
-                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                          }
-                                                                    -- HASH_PARTITION_EXCHANGE [$$240, $$241]  |PARTITIONED|
-                                                                      -- PRE_CLUSTERED_GROUP_BY[$$188, $$193]  |PARTITIONED|
-                                                                              {
-                                                                                -- AGGREGATE  |LOCAL|
-                                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                              }
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- STABLE_SORT [$$188(ASC), $$193(ASC)]  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- HYBRID_HASH_JOIN [$$177][$$176]  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                            -- HASH_PARTITION_EXCHANGE [$$211]  |PARTITIONED|
-                                                                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$215]  |PARTITIONED|
-                                                                                                                  {
-                                                                                                                    -- AGGREGATE  |LOCAL|
-                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                  }
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- STABLE_SORT [$$215(ASC)]  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- HYBRID_HASH_JOIN [$$215][$$216]  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
-                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
-                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                    -- HASH_PARTITION_EXCHANGE [$$176]  |PARTITIONED|
-                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- HASH_PARTITION_EXCHANGE [$$232]  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- SORT_GROUP_BY[$$246, $$247]  |PARTITIONED|
-                                                          {
-                                                            -- AGGREGATE  |LOCAL|
-                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                          }
-                                                    -- HASH_PARTITION_EXCHANGE [$$246, $$247]  |PARTITIONED|
-                                                      -- PRE_CLUSTERED_GROUP_BY[$$198, $$231]  |PARTITIONED|
-                                                              {
-                                                                -- AGGREGATE  |LOCAL|
-                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                              }
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$198(ASC), $$231(ASC)]  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- HYBRID_HASH_JOIN [$$181][$$180]  |PARTITIONED|
-                                                                    -- HASH_PARTITION_EXCHANGE [$$181]  |PARTITIONED|
-                                                                      -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- PRE_CLUSTERED_GROUP_BY[$$201]  |PARTITIONED|
-                                                                                        {
-                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                            -- AGGREGATE  |LOCAL|
-                                                                                              -- STREAM_SELECT  |LOCAL|
-                                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                        }
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- HYBRID_HASH_JOIN [$$201][$$178]  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$202]  |PARTITIONED|
-                                                                                                    {
-                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- STABLE_SORT [$$202(ASC)]  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$202][$$204]  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
-                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- SORT_GROUP_BY[$$243, $$244]  |PARTITIONED|
-                                                                                                                          {
-                                                                                                                            -- AGGREGATE  |LOCAL|
-                                                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                          }
-                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$243, $$244]  |PARTITIONED|
-                                                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$209, $$210]  |PARTITIONED|
-                                                                                                                              {
-                                                                                                                                -- AGGREGATE  |LOCAL|
-                                                                                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                              }
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- STABLE_SORT [$$209(ASC), $$210(ASC)]  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- HYBRID_HASH_JOIN [$$211][$$214]  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$211]  |PARTITIONED|
-                                                                                                                                          -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$215]  |PARTITIONED|
-                                                                                                                                                              {
-                                                                                                                                                                -- AGGREGATE  |LOCAL|
-                                                                                                                                                                  -- AGGREGATE  |LOCAL|
-                                                                                                                                                                    -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                              }
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- STABLE_SORT [$$215(ASC)]  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$215][$$216]  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
-                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
-                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
-                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                    -- HASH_PARTITION_EXCHANGE [$$180]  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- REPLICATE  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- REPLICATE  |PARTITIONED|
-                                      -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_SELECT  |LOCAL|
+                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                  }
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- REPLICATE  |PARTITIONED|
+                                              -- STABLE_SORT [$$144(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$144][$$194]  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$144]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$194]  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- SORT_GROUP_BY[$$240, $$241]  |PARTITIONED|
+                                                                        {
+                                                                          -- AGGREGATE  |LOCAL|
+                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                        }
+                                                                  -- HASH_PARTITION_EXCHANGE [$$240, $$241]  |PARTITIONED|
+                                                                    -- PRE_CLUSTERED_GROUP_BY[$$188, $$193]  |PARTITIONED|
+                                                                            {
+                                                                              -- AGGREGATE  |LOCAL|
+                                                                                -- STREAM_SELECT  |LOCAL|
+                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                            }
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- STABLE_SORT [$$188(ASC), $$193(ASC)]  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- HYBRID_HASH_JOIN [$$177][$$176]  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                          -- HASH_PARTITION_EXCHANGE [$$211]  |PARTITIONED|
+                                                                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- PRE_CLUSTERED_GROUP_BY[$$215]  |PARTITIONED|
+                                                                                                                {
+                                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                }
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- STABLE_SORT [$$215(ASC)]  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- HYBRID_HASH_JOIN [$$215][$$216]  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
+                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                  -- HASH_PARTITION_EXCHANGE [$$176]  |PARTITIONED|
+                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$232]  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- SORT_GROUP_BY[$$246, $$247]  |PARTITIONED|
+                                                        {
+                                                          -- AGGREGATE  |LOCAL|
+                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                        }
+                                                  -- HASH_PARTITION_EXCHANGE [$$246, $$247]  |PARTITIONED|
+                                                    -- PRE_CLUSTERED_GROUP_BY[$$198, $$231]  |PARTITIONED|
+                                                            {
+                                                              -- AGGREGATE  |LOCAL|
+                                                                -- STREAM_SELECT  |LOCAL|
+                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                            }
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STABLE_SORT [$$198(ASC), $$231(ASC)]  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- HYBRID_HASH_JOIN [$$181][$$180]  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$181]  |PARTITIONED|
+                                                                    -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- PRE_CLUSTERED_GROUP_BY[$$201]  |PARTITIONED|
+                                                                                      {
+                                                                                        -- AGGREGATE  |LOCAL|
+                                                                                          -- AGGREGATE  |LOCAL|
+                                                                                            -- STREAM_SELECT  |LOCAL|
+                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                      }
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- HYBRID_HASH_JOIN [$$201][$$178]  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$202]  |PARTITIONED|
+                                                                                                  {
+                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                  }
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- STABLE_SORT [$$202(ASC)]  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$202][$$204]  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
+                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- SORT_GROUP_BY[$$243, $$244]  |PARTITIONED|
+                                                                                                                        {
+                                                                                                                          -- AGGREGATE  |LOCAL|
+                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                        }
+                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$243, $$244]  |PARTITIONED|
+                                                                                                                    -- PRE_CLUSTERED_GROUP_BY[$$209, $$210]  |PARTITIONED|
+                                                                                                                            {
+                                                                                                                              -- AGGREGATE  |LOCAL|
+                                                                                                                                -- STREAM_SELECT  |LOCAL|
+                                                                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                            }
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- STABLE_SORT [$$209(ASC), $$210(ASC)]  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- HYBRID_HASH_JOIN [$$211][$$214]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$211]  |PARTITIONED|
+                                                                                                                                        -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- PRE_CLUSTERED_GROUP_BY[$$215]  |PARTITIONED|
+                                                                                                                                                            {
+                                                                                                                                                              -- AGGREGATE  |LOCAL|
+                                                                                                                                                                -- AGGREGATE  |LOCAL|
+                                                                                                                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                            }
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- STABLE_SORT [$$215(ASC)]  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- HYBRID_HASH_JOIN [$$215][$$216]  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$215]  |PARTITIONED|
+                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$180]  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- REPLICATE  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- REPLICATE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$214]  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- REPLICATE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated.plan
index bc57cf0..cf11b201 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581-correlated.plan
@@ -1,197 +1,106 @@
 -- DISTRIBUTE_RESULT  |PARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
-      -- STREAM_PROJECT  |PARTITIONED|
-        -- UNNEST  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$180]  |PARTITIONED|
-                        {
+      -- UNNEST  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- PRE_CLUSTERED_GROUP_BY[$$180]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
                           -- AGGREGATE  |LOCAL|
-                            -- AGGREGATE  |LOCAL|
-                              -- STREAM_SELECT  |LOCAL|
-                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$180(ASC)]  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$180][$$222]  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- PRE_CLUSTERED_GROUP_BY[$$164]  |PARTITIONED|
-                                        {
+                            -- STREAM_SELECT  |LOCAL|
+                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STABLE_SORT [$$180(ASC)]  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- HYBRID_HASH_JOIN [$$180][$$222]  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_CLUSTERED_GROUP_BY[$$164]  |PARTITIONED|
+                                      {
+                                        -- AGGREGATE  |LOCAL|
                                           -- AGGREGATE  |LOCAL|
-                                            -- AGGREGATE  |LOCAL|
-                                              -- STREAM_SELECT  |LOCAL|
-                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                        }
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- HYBRID_HASH_JOIN [$$164][$$178]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- PRE_CLUSTERED_GROUP_BY[$$144]  |PARTITIONED|
-                                                    {
-                                                      -- AGGREGATE  |LOCAL|
-                                                        -- AGGREGATE  |LOCAL|
-                                                          -- STREAM_SELECT  |LOCAL|
-                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                    }
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STABLE_SORT [$$144(ASC)]  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$144][$$154]  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$144]  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- REPLICATE  |PARTITIONED|
-                                                                  -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- REPLICATE  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- HASH_PARTITION_EXCHANGE [$$178]  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- SORT_GROUP_BY[$$227, $$228]  |PARTITIONED|
-                                                          {
-                                                            -- AGGREGATE  |LOCAL|
-                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                          }
-                                                    -- HASH_PARTITION_EXCHANGE [$$227, $$228]  |PARTITIONED|
-                                                      -- PRE_CLUSTERED_GROUP_BY[$$165, $$168]  |PARTITIONED|
-                                                              {
-                                                                -- AGGREGATE  |LOCAL|
-                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                              }
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$165(ASC), $$168(ASC)]  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- HYBRID_HASH_JOIN [$$157][$$156]  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- REPLICATE  |PARTITIONED|
-                                                                            -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
-                                                                              -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$206]  |PARTITIONED|
-                                                                                                    {
-                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- STABLE_SORT [$$206(ASC)]  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
-                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
-                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                    -- HASH_PARTITION_EXCHANGE [$$156]  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- REPLICATE  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$222]  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_SELECT  |LOCAL|
+                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                      }
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                   -- STREAM_PROJECT  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- SORT_GROUP_BY[$$233, $$234]  |PARTITIONED|
-                                              {
-                                                -- AGGREGATE  |LOCAL|
-                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                              }
-                                        -- HASH_PARTITION_EXCHANGE [$$233, $$234]  |PARTITIONED|
-                                          -- PRE_CLUSTERED_GROUP_BY[$$181, $$184]  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$164][$$178]  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- PRE_CLUSTERED_GROUP_BY[$$144]  |PARTITIONED|
                                                   {
                                                     -- AGGREGATE  |LOCAL|
-                                                      -- STREAM_SELECT  |LOCAL|
-                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                      -- AGGREGATE  |LOCAL|
+                                                        -- STREAM_SELECT  |LOCAL|
+                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
                                                   }
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$181(ASC), $$184(ASC)]  |PARTITIONED|
+                                              -- STABLE_SORT [$$144(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- HYBRID_HASH_JOIN [$$159][$$158]  |PARTITIONED|
-                                                        -- HASH_PARTITION_EXCHANGE [$$159]  |PARTITIONED|
-                                                          -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$144][$$154]  |PARTITIONED|
+                                                        -- HASH_PARTITION_EXCHANGE [$$144]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- PRE_CLUSTERED_GROUP_BY[$$185]  |PARTITIONED|
-                                                                              {
-                                                                                -- AGGREGATE  |LOCAL|
-                                                                                  -- AGGREGATE  |LOCAL|
-                                                                                    -- STREAM_SELECT  |LOCAL|
-                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                              }
+                                                                      -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- HYBRID_HASH_JOIN [$$185][$$188]  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- REPLICATE  |PARTITIONED|
+                                                                -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- REPLICATE  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$178]  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- SORT_GROUP_BY[$$227, $$228]  |PARTITIONED|
+                                                        {
+                                                          -- AGGREGATE  |LOCAL|
+                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                        }
+                                                  -- HASH_PARTITION_EXCHANGE [$$227, $$228]  |PARTITIONED|
+                                                    -- PRE_CLUSTERED_GROUP_BY[$$165, $$168]  |PARTITIONED|
+                                                            {
+                                                              -- AGGREGATE  |LOCAL|
+                                                                -- STREAM_SELECT  |LOCAL|
+                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                            }
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STABLE_SORT [$$165(ASC), $$168(ASC)]  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- HYBRID_HASH_JOIN [$$157][$$156]  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- REPLICATE  |PARTITIONED|
+                                                                          -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
+                                                                            -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- STREAM_SELECT  |PARTITIONED|
                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                       -- REPLICATE  |PARTITIONED|
                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -230,73 +139,83 @@
                                                                                                                                 -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                -- HASH_PARTITION_EXCHANGE [$$188]  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$156]  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- REPLICATE  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$222]  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- SORT_GROUP_BY[$$233, $$234]  |PARTITIONED|
+                                            {
+                                              -- AGGREGATE  |LOCAL|
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                            }
+                                      -- HASH_PARTITION_EXCHANGE [$$233, $$234]  |PARTITIONED|
+                                        -- PRE_CLUSTERED_GROUP_BY[$$181, $$184]  |PARTITIONED|
+                                                {
+                                                  -- AGGREGATE  |LOCAL|
+                                                    -- STREAM_SELECT  |LOCAL|
+                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                }
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$181(ASC), $$184(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$159][$$158]  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$159]  |PARTITIONED|
+                                                        -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- PRE_CLUSTERED_GROUP_BY[$$185]  |PARTITIONED|
+                                                                            {
+                                                                              -- AGGREGATE  |LOCAL|
+                                                                                -- AGGREGATE  |LOCAL|
+                                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                            }
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- HYBRID_HASH_JOIN [$$185][$$188]  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- REPLICATE  |PARTITIONED|
                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- SORT_GROUP_BY[$$230, $$231]  |PARTITIONED|
+                                                                                        -- PRE_CLUSTERED_GROUP_BY[$$206]  |PARTITIONED|
                                                                                                 {
                                                                                                   -- AGGREGATE  |LOCAL|
-                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
                                                                                                 }
-                                                                                          -- HASH_PARTITION_EXCHANGE [$$230, $$231]  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$200, $$201]  |PARTITIONED|
-                                                                                                    {
-                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- STABLE_SORT [$$206(ASC)]  |PARTITIONED|
                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- STABLE_SORT [$$200(ASC), $$201(ASC)]  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$204][$$205]  |PARTITIONED|
+                                                                                                    -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
+                                                                                                      -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
+                                                                                                        -- REPLICATE  |PARTITIONED|
                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                              -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
-                                                                                                                -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$206]  |PARTITIONED|
-                                                                                                                                      {
-                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                                                            -- STREAM_SELECT  |LOCAL|
-                                                                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                      }
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- STABLE_SORT [$$206(ASC)]  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                          -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
-                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
-                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
-                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                            -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- ASSIGN  |PARTITIONED|
                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                             -- REPLICATE  |PARTITIONED|
                                                                                                               -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
@@ -310,14 +229,94 @@
                                                                                                                               -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                        -- HASH_PARTITION_EXCHANGE [$$158]  |PARTITIONED|
+                                                                              -- HASH_PARTITION_EXCHANGE [$$188]  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- SORT_GROUP_BY[$$230, $$231]  |PARTITIONED|
+                                                                                              {
+                                                                                                -- AGGREGATE  |LOCAL|
+                                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                              }
+                                                                                        -- HASH_PARTITION_EXCHANGE [$$230, $$231]  |PARTITIONED|
+                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$200, $$201]  |PARTITIONED|
+                                                                                                  {
+                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                  }
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- STABLE_SORT [$$200(ASC), $$201(ASC)]  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$204][$$205]  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                            -- HASH_PARTITION_EXCHANGE [$$204]  |PARTITIONED|
+                                                                                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$206]  |PARTITIONED|
+                                                                                                                                    {
+                                                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                                                        -- AGGREGATE  |LOCAL|
+                                                                                                                                          -- STREAM_SELECT  |LOCAL|
+                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                    }
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- STABLE_SORT [$$206(ASC)]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                        -- HYBRID_HASH_JOIN [$$206][$$207]  |PARTITIONED|
+                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$206]  |PARTITIONED|
+                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- BTREE_SEARCH (tpcds.item.item)  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
+                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                            -- HASH_PARTITION_EXCHANGE [$$205]  |PARTITIONED|
+                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$158]  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
                                                           -- ASSIGN  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- REPLICATE  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- REPLICATE  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581.plan
index 5c5332a..98fcbfb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/tpcds/query-ASTERIXDB-1581.plan
@@ -10,126 +10,147 @@
                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
       -- BROADCAST_EXCHANGE  |LOCAL|
         -- ASSIGN  |LOCAL|
-          -- STREAM_PROJECT  |LOCAL|
-            -- UNNEST  |LOCAL|
-              -- ASSIGN  |LOCAL|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- PRE_CLUSTERED_GROUP_BY[$$173]  |LOCAL|
-                          {
+          -- UNNEST  |LOCAL|
+            -- ASSIGN  |LOCAL|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- PRE_CLUSTERED_GROUP_BY[$$173]  |LOCAL|
+                        {
+                          -- AGGREGATE  |LOCAL|
                             -- AGGREGATE  |LOCAL|
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                          }
-                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                      -- STREAM_PROJECT  |LOCAL|
-                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                          -- HYBRID_HASH_JOIN [$$173][$$174]  |LOCAL|
-                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                              -- PRE_CLUSTERED_GROUP_BY[$$109]  |LOCAL|
-                                      {
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                        }
+                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                    -- STREAM_PROJECT  |LOCAL|
+                      -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                        -- HYBRID_HASH_JOIN [$$173][$$174]  |LOCAL|
+                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                            -- PRE_CLUSTERED_GROUP_BY[$$109]  |LOCAL|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
                                         -- AGGREGATE  |LOCAL|
-                                          -- AGGREGATE  |LOCAL|
-                                            -- STREAM_SELECT  |LOCAL|
-                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                      }
-                                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                  -- STABLE_SORT [$$109(ASC)]  |LOCAL|
-                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                      -- STREAM_PROJECT  |UNPARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                          -- HYBRID_HASH_JOIN [$$109][$$166]  |UNPARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                              -- ASSIGN  |UNPARTITIONED|
+                                          -- STREAM_SELECT  |LOCAL|
+                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                -- STABLE_SORT [$$109(ASC)]  |LOCAL|
+                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                    -- STREAM_PROJECT  |UNPARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$109][$$166]  |UNPARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                            -- ASSIGN  |UNPARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- REPLICATE  |UNPARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                    -- ASSIGN  |UNPARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                        -- REPLICATE  |UNPARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                            -- AGGREGATE  |UNPARTITIONED|
+                                                              -- AGGREGATE  |UNPARTITIONED|
+                                                                -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                  -- AGGREGATE  |PARTITIONED|
+                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- REPLICATE  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                            -- NESTED_LOOP  |UNPARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- ASSIGN  |UNPARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                    -- REPLICATE  |UNPARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                        -- ASSIGN  |UNPARTITIONED|
+                                                          -- STREAM_SELECT  |UNPARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                              -- REPLICATE  |UNPARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                                    -- AGGREGATE  |UNPARTITIONED|
+                                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                        -- AGGREGATE  |PARTITIONED|
+                                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- ASSIGN  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                            -- NESTED_LOOP  |LOCAL|
+                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                -- ASSIGN  |LOCAL|
+                                  -- STREAM_PROJECT  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- ASSIGN  |LOCAL|
+                                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                          -- PRE_CLUSTERED_GROUP_BY[$$175]  |LOCAL|
+                                                  {
+                                                    -- AGGREGATE  |LOCAL|
+                                                      -- AGGREGATE  |LOCAL|
+                                                        -- STREAM_SELECT  |LOCAL|
+                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                  }
+                                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                              -- STABLE_SORT [$$175(ASC)]  |LOCAL|
                                                 -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- REPLICATE  |UNPARTITIONED|
+                                                  -- STREAM_PROJECT  |UNPARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                      -- ASSIGN  |UNPARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$175][$$176]  |UNPARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                           -- REPLICATE  |UNPARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                              -- AGGREGATE  |UNPARTITIONED|
-                                                                -- AGGREGATE  |UNPARTITIONED|
-                                                                  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                    -- AGGREGATE  |PARTITIONED|
-                                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- REPLICATE  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                              -- NESTED_LOOP  |UNPARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- ASSIGN  |UNPARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                      -- REPLICATE  |UNPARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                          -- ASSIGN  |UNPARTITIONED|
-                                                            -- STREAM_SELECT  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- REPLICATE  |UNPARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                    -- AGGREGATE  |UNPARTITIONED|
+                                                              -- ASSIGN  |UNPARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                                  -- REPLICATE  |UNPARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                                       -- AGGREGATE  |UNPARTITIONED|
-                                                                        -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                          -- AGGREGATE  |PARTITIONED|
-                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- ASSIGN  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                              -- NESTED_LOOP  |LOCAL|
-                                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                  -- ASSIGN  |LOCAL|
-                                    -- STREAM_PROJECT  |LOCAL|
-                                      -- STREAM_SELECT  |LOCAL|
-                                        -- ASSIGN  |LOCAL|
-                                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                            -- PRE_CLUSTERED_GROUP_BY[$$175]  |LOCAL|
-                                                    {
-                                                      -- AGGREGATE  |LOCAL|
-                                                        -- AGGREGATE  |LOCAL|
-                                                          -- STREAM_SELECT  |LOCAL|
-                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                    }
-                                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                                -- STABLE_SORT [$$175(ASC)]  |LOCAL|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- STREAM_PROJECT  |UNPARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$175][$$176]  |UNPARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                            -- REPLICATE  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- ASSIGN  |UNPARTITIONED|
+                                                                        -- AGGREGATE  |UNPARTITIONED|
+                                                                          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                            -- AGGREGATE  |PARTITIONED|
+                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                          -- REPLICATE  |UNPARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                              -- ASSIGN  |UNPARTITIONED|
+                                                                -- STREAM_SELECT  |UNPARTITIONED|
                                                                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                                     -- REPLICATE  |UNPARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
@@ -147,42 +168,20 @@
                                                                                               -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                            -- REPLICATE  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- ASSIGN  |UNPARTITIONED|
-                                                                  -- STREAM_SELECT  |UNPARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                      -- REPLICATE  |UNPARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                          -- AGGREGATE  |UNPARTITIONED|
-                                                                            -- AGGREGATE  |UNPARTITIONED|
-                                                                              -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                                -- AGGREGATE  |PARTITIONED|
-                                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                  -- ASSIGN  |UNPARTITIONED|
-                                    -- AGGREGATE  |UNPARTITIONED|
-                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                        -- AGGREGATE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- STREAM_SELECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                -- ASSIGN  |UNPARTITIONED|
+                                  -- AGGREGATE  |UNPARTITIONED|
+                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                      -- AGGREGATE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- REPLICATE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results/window/win_misc/win_misc_01.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results/window/win_misc/win_misc_01.plan
index 706a639..b4b5e4b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results/window/win_misc/win_misc_01.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results/window/win_misc/win_misc_01.plan
@@ -12,13 +12,12 @@
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- STABLE_SORT [$$t1.c2(ASC), $$p(ASC), $$n(DESC)]  |PARTITIONED|
                           -- HASH_PARTITION_EXCHANGE [$$t1.c2, $$p]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
+                            -- UNNEST  |PARTITIONED|
                               -- UNNEST  |PARTITIONED|
                                 -- UNNEST  |PARTITIONED|
-                                  -- UNNEST  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ASTERIXDB-2402.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ASTERIXDB-2402.plan
index 18fac0f..d82fbf8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ASTERIXDB-2402.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ASTERIXDB-2402.plan
@@ -47,102 +47,101 @@
                                           -- HYBRID_HASH_JOIN [$$266][$$237]  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                               -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- UNNEST  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- PRE_CLUSTERED_GROUP_BY[$$319]  |PARTITIONED|
-                                                              {
-                                                                -- AGGREGATE  |LOCAL|
-                                                                  -- MICRO_PRE_CLUSTERED_GROUP_BY[$$321, $$322]  |LOCAL|
-                                                                          {
-                                                                            -- AGGREGATE  |LOCAL|
-                                                                              -- STREAM_SELECT  |LOCAL|
-                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                          }
-                                                                    -- STREAM_SELECT  |LOCAL|
-                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                              }
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$319(ASC), $$321(ASC), $$322(ASC)]  |PARTITIONED|
-                                                            -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
-                                                              -- UNION_ALL  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- SPLIT  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  -- NESTED_LOOP  |PARTITIONED|
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      -- NESTED_LOOP  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- DATASOURCE_SCAN (channels.Reports)  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                -- UNNEST  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- PRE_CLUSTERED_GROUP_BY[$$319]  |PARTITIONED|
+                                                            {
+                                                              -- AGGREGATE  |LOCAL|
+                                                                -- MICRO_PRE_CLUSTERED_GROUP_BY[$$321, $$322]  |LOCAL|
+                                                                        {
+                                                                          -- AGGREGATE  |LOCAL|
+                                                                            -- STREAM_SELECT  |LOCAL|
+                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                        }
+                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                            }
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STABLE_SORT [$$319(ASC), $$321(ASC), $$322(ASC)]  |PARTITIONED|
+                                                          -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
+                                                            -- UNION_ALL  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- BTREE_SEARCH (channels.Shelters.Shelters)  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- SPLIT  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- SPLIT  |PARTITIONED|
                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
-                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- NESTED_LOOP  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
+                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                            -- ASSIGN  |PARTITIONED|
                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                 -- NESTED_LOOP  |PARTITIONED|
                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                    -- NESTED_LOOP  |PARTITIONED|
                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- STREAM_SELECT  |PARTITIONED|
                                                                                                         -- ASSIGN  |PARTITIONED|
                                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- DATASOURCE_SCAN (channels.Reports)  |PARTITIONED|
+                                                                                                            -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
                                                                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- DATASOURCE_SCAN (channels.Reports)  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                    -- ASSIGN  |PARTITIONED|
                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- SPLIT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- RTREE_SEARCH (channels.Shelters.s_location)  |PARTITIONED|
+                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- NESTED_LOOP  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- NESTED_LOOP  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- DATASOURCE_SCAN (channels.EmergenciesNearMeChannelChannelSubscriptions)  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- DATASOURCE_SCAN (channels.Reports)  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- DATASOURCE_SCAN (channels.UserLocations)  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                             -- HASH_PARTITION_EXCHANGE [$$237]  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query1.plan
index 14795ab..a7f9021 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query1.plan
@@ -2,12 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query2.plan
index 14795ab..a7f9021 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query2.plan
@@ -2,12 +2,11 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query3.plan
index d9aabf3..b14812e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/atomic-and-array-queries/query3.plan
@@ -2,16 +2,14 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- STREAM_SELECT  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
-                      -- ASSIGN  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- STREAM_SELECT  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- DATASOURCE_SCAN (TestDataverse.Dataset1)  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-1/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-2/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query2.plan
index d775a7f..a2530d6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query2.plan
@@ -6,11 +6,10 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query3.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-3/query3.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query1.plan
index e1b1526..c97e3bd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query1.plan
@@ -3,14 +3,12 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query2.plan
index 65d1f71..0f29817 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/use-case-4/query2.plan
@@ -5,14 +5,12 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-3-level-record-path/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-pk/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
index 3a3909b..c351699 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query1.plan
@@ -3,12 +3,11 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
index d775a7f..a2530d6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-composite-sk/query2.plan
@@ -6,11 +6,10 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
index 4ced2c7..9feb9d1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query1.plan
@@ -3,13 +3,12 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/closed/with-filter-fields/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query1.plan
index 675aacf..9e0c394 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query1.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query2.plan
index 675aacf..9e0c394 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query2.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query3.plan
index 7f7b9ad..aa33226 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query3.plan
@@ -2,14 +2,12 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query4.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query4.plan
index 7f7b9ad..aa33226 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query4.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query4.plan
@@ -2,14 +2,12 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query5.plan
index 675aacf..9e0c394 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query5.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query6.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query6.plan
index 675aacf..9e0c394 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query6.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query6.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query7.plan
index 7f7b9ad..aa33226 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query7.plan
@@ -2,14 +2,12 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query8.plan
index 7f7b9ad..aa33226 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/complex-structures/query8.plan
@@ -2,14 +2,12 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- UNNEST  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestDataverse.TestDataset)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
index 212a582..0df8d5a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query1.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (test.KSI)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (test.KSI)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
index 212a582..0df8d5a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/multiple-indexes/query2.plan
@@ -2,11 +2,10 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- ASSIGN  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- UNNEST  |PARTITIONED|
-            -- ASSIGN  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- DATASOURCE_SCAN (test.KSI)  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- UNNEST  |PARTITIONED|
+          -- ASSIGN  |PARTITIONED|
+            -- STREAM_PROJECT  |PARTITIONED|
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- DATASOURCE_SCAN (test.KSI)  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-1/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-2/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query2.plan
index d775a7f..a2530d6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query2.plan
@@ -6,11 +6,10 @@
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
               -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                -- UNNEST  |PARTITIONED|
+                  -- ASSIGN  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query3.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query3.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query3.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-3/query3.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query1.plan
index e1b1526..c97e3bd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query1.plan
@@ -3,14 +3,12 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- UNNEST  |PARTITIONED|
-                    -- ASSIGN  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query2.plan
index 65d1f71..0f29817 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/use-case-4/query2.plan
@@ -5,14 +5,12 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- UNNEST  |PARTITIONED|
-                        -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- UNNEST  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
index a88eb45..5621eb5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query1.plan
@@ -3,11 +3,10 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- ASSIGN  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
index 9d1650b..1ff305e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-3-level-record-path/query2.plan
@@ -5,11 +5,10 @@
         -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
           -- AGGREGATE  |PARTITIONED|
             -- STREAM_SELECT  |PARTITIONED|
-              -- STREAM_PROJECT  |PARTITIONED|
-                -- UNNEST  |PARTITIONED|
-                  -- ASSIGN  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- UNNEST  |PARTITIONED|
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-composite-sk/query1.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
index 3a3909b..c351699 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/array-index/select-unnest-queries/open/with-composite-sk/query1.plan
@@ -3,12 +3,11 @@
     -- ASSIGN  |PARTITIONED|
       -- STREAM_PROJECT  |PARTITIONED|
         -- STREAM_SELECT  |PARTITIONED|
-          -- STREAM_PROJECT  |PARTITIONED|
-            -- UNNEST  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+          -- UNNEST  |PARTITIONED|
+            -- STREAM_SELECT  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    -- DATASOURCE_SCAN (TestYelp.YelpCheckin)  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q10.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q10.plan
index d8b3da0..6af22f1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q10.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q10.plan
@@ -35,16 +35,15 @@
                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                         -- HASH_PARTITION_EXCHANGE [$$170, $$172, $$174]  |PARTITIONED|
                                           -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- UNNEST  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- UNNEST  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                 -- HASH_PARTITION_EXCHANGE [$$176]  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan
index 4cce8a0..7b7ba92 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q21.plan
@@ -53,26 +53,9 @@
                                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                                           -- STREAM_SELECT  |PARTITIONED|
                                                                             -- ASSIGN  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- UNNEST  |PARTITIONED|
-                                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- ASSIGN  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
                                                                               -- UNNEST  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
                                                                                     -- ASSIGN  |PARTITIONED|
                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                         -- REPLICATE  |PARTITIONED|
@@ -82,6 +65,21 @@
                                                                                                 -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- UNNEST  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                               -- HASH_PARTITION_EXCHANGE [$$351, $$350]  |PARTITIONED|
                                                                 -- ASSIGN  |PARTITIONED|
                                                                   -- ASSIGN  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan
index 52fe2e3..2e52f47 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q5.plan
@@ -47,16 +47,15 @@
                                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                 -- HASH_PARTITION_EXCHANGE [$$254, $$281]  |PARTITIONED|
                                                                   -- ASSIGN  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- UNNEST  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                    -- UNNEST  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                         -- HASH_PARTITION_EXCHANGE [$$276, $$277, $$278]  |PARTITIONED|
                                                           -- ASSIGN  |PARTITIONED|
                                                             -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan
index 6c8dc2d..8a1e879 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q7.plan
@@ -48,14 +48,13 @@
                                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                                   -- STREAM_SELECT  |PARTITIONED|
                                                                     -- ASSIGN  |PARTITIONED|
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        -- UNNEST  |PARTITIONED|
-                                                                          -- ASSIGN  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                      -- UNNEST  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                       -- HASH_PARTITION_EXCHANGE [$$305, $$306, $$307]  |PARTITIONED|
                                                         -- ASSIGN  |PARTITIONED|
                                                           -- ASSIGN  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan
index 4676308..e22e190 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q8.plan
@@ -53,15 +53,14 @@
                                                                           -- HASH_PARTITION_EXCHANGE [$$306, $$336]  |PARTITIONED|
                                                                             -- STREAM_SELECT  |PARTITIONED|
                                                                               -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- UNNEST  |PARTITIONED|
-                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                -- UNNEST  |PARTITIONED|
+                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                   -- HASH_PARTITION_EXCHANGE [$$333, $$334, $$332]  |PARTITIONED|
                                                                     -- ASSIGN  |PARTITIONED|
                                                                       -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan
index 8f0a394..01f1655 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/ch2/ch2_q9.plan
@@ -40,14 +40,13 @@
                                                               -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                   -- HASH_PARTITION_EXCHANGE [$$206, $$217]  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- UNNEST  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- UNNEST  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- DATASOURCE_SCAN (test.orders)  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                           -- HASH_PARTITION_EXCHANGE [$$207]  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
                                               -- STREAM_SELECT  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/inner_right_corr.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/inner_right_corr.plan
index c12b859..409f99b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/inner_right_corr.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/joins/inner_right_corr.plan
@@ -24,29 +24,28 @@
                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                         -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
                           -- ASSIGN  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- UNNEST  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- SUBPLAN  |PARTITIONED|
-                                          {
-                                            -- AGGREGATE  |LOCAL|
-                                              -- STREAM_SELECT  |LOCAL|
-                                                -- ASSIGN  |LOCAL|
-                                                  -- UNNEST  |LOCAL|
-                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                          }
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- NESTED_LOOP  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
+                            -- UNNEST  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- SUBPLAN  |PARTITIONED|
+                                        {
+                                          -- AGGREGATE  |LOCAL|
+                                            -- STREAM_SELECT  |LOCAL|
+                                              -- ASSIGN  |LOCAL|
+                                                -- UNNEST  |LOCAL|
+                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                        }
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- NESTED_LOOP  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN (test.t1)  |PARTITIONED|
+                                              -- DATASOURCE_SCAN (test.t2)  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN (test.t2)  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue3316.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue3316.plan
index 9f3cf02..672c005 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue3316.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/query_issue3316.plan
@@ -91,115 +91,114 @@
                                                                                 -- ASSIGN  |PARTITIONED|
                                                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                                                     -- STREAM_SELECT  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- UNNEST  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$238, $$235]  |PARTITIONED|
-                                                                                                    {
+                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$238, $$235]  |PARTITIONED|
+                                                                                                  {
+                                                                                                    -- AGGREGATE  |LOCAL|
                                                                                                       -- AGGREGATE  |LOCAL|
-                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- STABLE_SORT [$$238(ASC), $$235(ASC)]  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$238, $$235]  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$249, $$229][$$235, $$228]  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- HYBRID_HASH_JOIN [$$243][$$242]  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- HYBRID_HASH_JOIN [$$252][$$238]  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- HYBRID_HASH_JOIN [$$210][$$243]  |PARTITIONED|
-                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$210]  |PARTITIONED|
-                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- HYBRID_HASH_JOIN [$$135][$$198]  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                  }
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- STABLE_SORT [$$238(ASC), $$235(ASC)]  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$238, $$235]  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$249, $$229][$$235, $$228]  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- HYBRID_HASH_JOIN [$$243][$$242]  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- HYBRID_HASH_JOIN [$$252][$$238]  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- HYBRID_HASH_JOIN [$$210][$$243]  |PARTITIONED|
+                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$210]  |PARTITIONED|
+                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- HYBRID_HASH_JOIN [$$135][$$198]  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                              -- ASSIGN  |PARTITIONED|
                                                                                                                                                 -- ASSIGN  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- UNNEST  |UNPARTITIONED|
+                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                   -- ASSIGN  |PARTITIONED|
                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                      -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- UNNEST  |UNPARTITIONED|
-                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                                                   -- REPLICATE  |PARTITIONED|
                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                       -- ASSIGN  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- REPLICATE  |PARTITIONED|
                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                       -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                         -- UNNEST  |UNPARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
@@ -318,118 +317,117 @@
                                                                                                                                   -- ASSIGN  |PARTITIONED|
                                                                                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                       -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                          -- UNNEST  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$284, $$285]  |PARTITIONED|
-                                                                                                                                                      {
+                                                                                                                                        -- UNNEST  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$284, $$285]  |PARTITIONED|
+                                                                                                                                                    {
+                                                                                                                                                      -- AGGREGATE  |LOCAL|
                                                                                                                                                         -- AGGREGATE  |LOCAL|
-                                                                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                      }
-                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- STABLE_SORT [$$284(ASC), $$285(ASC)]  |PARTITIONED|
-                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$284, $$285]  |PARTITIONED|
-                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- HYBRID_HASH_JOIN [$$295, $$287][$$285, $$286]  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$304][$$307]  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$294][$$284]  |PARTITIONED|
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$303][$$304]  |PARTITIONED|
-                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$303]  |PARTITIONED|
-                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$302][$$301]  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                    }
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- STABLE_SORT [$$284(ASC), $$285(ASC)]  |PARTITIONED|
+                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$284, $$285]  |PARTITIONED|
+                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- HYBRID_HASH_JOIN [$$295, $$287][$$285, $$286]  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- HYBRID_HASH_JOIN [$$304][$$307]  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$294][$$284]  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                -- HYBRID_HASH_JOIN [$$303][$$304]  |PARTITIONED|
+                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$303]  |PARTITIONED|
+                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$302][$$301]  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                                                                                                                                                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                     -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                         -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                                                         -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                                                                           -- UNNEST  |UNPARTITIONED|
                                                                                                             -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
@@ -446,465 +444,462 @@
                                                                         -- ASSIGN  |PARTITIONED|
                                                                           -- STREAM_PROJECT  |PARTITIONED|
                                                                             -- STREAM_SELECT  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- UNNEST  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- PRE_CLUSTERED_GROUP_BY[$$327, $$326]  |PARTITIONED|
-                                                                                            {
+                                                                              -- UNNEST  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- PRE_CLUSTERED_GROUP_BY[$$327, $$326]  |PARTITIONED|
+                                                                                          {
+                                                                                            -- AGGREGATE  |LOCAL|
                                                                                               -- AGGREGATE  |LOCAL|
-                                                                                                -- AGGREGATE  |LOCAL|
-                                                                                                  -- STREAM_SELECT  |LOCAL|
-                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                            }
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- STABLE_SORT [$$327(ASC), $$326(ASC)]  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- HYBRID_HASH_JOIN [$$327, $$326][$$398, $$397]  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$327, $$326]  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                        -- HYBRID_HASH_JOIN [$$320][$$319]  |PARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$320]  |PARTITIONED|
-                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$328]  |PARTITIONED|
-                                                                                                                    {
-                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                    }
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- STABLE_SORT [$$328(ASC)]  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- HYBRID_HASH_JOIN [$$328][$$331]  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
-                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$331]  |PARTITIONED|
-                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- HYBRID_HASH_JOIN [$$336][$$335]  |PARTITIONED|
+                                                                                                -- STREAM_SELECT  |LOCAL|
+                                                                                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                          }
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- STABLE_SORT [$$327(ASC), $$326(ASC)]  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- HYBRID_HASH_JOIN [$$327, $$326][$$398, $$397]  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$327, $$326]  |PARTITIONED|
+                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- HYBRID_HASH_JOIN [$$320][$$319]  |PARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$320]  |PARTITIONED|
+                                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$328]  |PARTITIONED|
+                                                                                                                  {
+                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                      -- STREAM_SELECT  |LOCAL|
+                                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                  }
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- STABLE_SORT [$$328(ASC)]  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                      -- HYBRID_HASH_JOIN [$$328][$$331]  |PARTITIONED|
+                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
+                                                                                                                                  -- ASSIGN  |PARTITIONED|
                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- ASSIGN  |PARTITIONED|
                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$338, $$340]  |PARTITIONED|
-                                                                                                                                                      {
-                                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                      }
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                  -- STABLE_SORT [$$338(ASC), $$340(ASC)]  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- HYBRID_HASH_JOIN [$$338, $$340][$$348, $$349]  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
-                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$331]  |PARTITIONED|
+                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- HYBRID_HASH_JOIN [$$336][$$335]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$338, $$340]  |PARTITIONED|
+                                                                                                                                                    {
+                                                                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                    }
+                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                -- STABLE_SORT [$$338(ASC), $$340(ASC)]  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- HYBRID_HASH_JOIN [$$338, $$340][$$348, $$349]  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
                                                                                                                                                                     -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                      -- UNNEST  |PARTITIONED|
+                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
+                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
+                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                  -- UNNEST  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$354, $$355]  |PARTITIONED|
+                                                                                                                                                                              {
+                                                                                                                                                                                -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                              }
                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                          -- PRE_CLUSTERED_GROUP_BY[$$354, $$355]  |PARTITIONED|
-                                                                                                                                                                                  {
-                                                                                                                                                                                    -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                                  }
-                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                              -- STABLE_SORT [$$354(ASC), $$355(ASC)]  |PARTITIONED|
-                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$354, $$355]  |PARTITIONED|
-                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                          -- STABLE_SORT [$$354(ASC), $$355(ASC)]  |PARTITIONED|
+                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$354, $$355]  |PARTITIONED|
+                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$365, $$357][$$355, $$356]  |PARTITIONED|
                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$365, $$357][$$355, $$356]  |PARTITIONED|
+                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$374][$$377]  |PARTITIONED|
                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                              -- HYBRID_HASH_JOIN [$$374][$$377]  |PARTITIONED|
+                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$364][$$354]  |PARTITIONED|
                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$364][$$354]  |PARTITIONED|
+                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                              -- HYBRID_HASH_JOIN [$$373][$$374]  |PARTITIONED|
-                                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$373]  |PARTITIONED|
-                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$372][$$371]  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$373][$$374]  |PARTITIONED|
+                                                                                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$373]  |PARTITIONED|
+                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                  -- HYBRID_HASH_JOIN [$$372][$$371]  |PARTITIONED|
                                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                       -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                           -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- UNNEST  |UNPARTITIONED|
+                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                        -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
+                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                -- HASH_PARTITION_EXCHANGE [$$398, $$397]  |PARTITIONED|
+                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                        -- HYBRID_HASH_JOIN [$$172][$$200]  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- HYBRID_HASH_JOIN [$$391][$$216]  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                        -- HYBRID_HASH_JOIN [$$391][$$390]  |PARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$391]  |PARTITIONED|
+                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$399]  |PARTITIONED|
+                                                                                                                                    {
+                                                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                                                        -- STREAM_SELECT  |LOCAL|
+                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                    }
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- STABLE_SORT [$$399(ASC)]  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                        -- HYBRID_HASH_JOIN [$$399][$$402]  |PARTITIONED|
+                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
+                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                            -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$402]  |PARTITIONED|
+                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- HYBRID_HASH_JOIN [$$407][$$406]  |PARTITIONED|
+                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                        -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$409, $$411]  |PARTITIONED|
+                                                                                                                                                                      {
+                                                                                                                                                                        -- AGGREGATE  |LOCAL|
+                                                                                                                                                                          -- STREAM_SELECT  |LOCAL|
+                                                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                      }
+                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                  -- STABLE_SORT [$$409(ASC), $$411(ASC)]  |PARTITIONED|
+                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                          -- HYBRID_HASH_JOIN [$$409, $$411][$$419, $$420]  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
+                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                      -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
                                                                                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                           -- ASSIGN  |PARTITIONED|
                                                                                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                               -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                        -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
+                                                                                                                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                            -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                  -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                    -- UNNEST  |PARTITIONED|
+                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                        -- PRE_CLUSTERED_GROUP_BY[$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                                {
+                                                                                                                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                                    -- AGGREGATE  |LOCAL|
+                                                                                                                                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                                                                                                                }
+                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                            -- STABLE_SORT [$$425(ASC), $$426(ASC)]  |PARTITIONED|
+                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
+                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$436, $$428][$$426, $$427]  |PARTITIONED|
+                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$435][$$425]  |PARTITIONED|
+                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$444][$$445]  |PARTITIONED|
+                                                                                                                                                                                                                              -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
+                                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- HYBRID_HASH_JOIN [$$443][$$442]  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
+                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                                      -- STREAM_SELECT  |PARTITIONED|
+                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                                                                                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                         -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
                                                                                                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                                                                                                                   -- REPLICATE  |PARTITIONED|
                                                                                                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- UNNEST  |UNPARTITIONED|
-                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                          -- HASH_PARTITION_EXCHANGE [$$319]  |PARTITIONED|
-                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
+                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
+                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                                                                      -- UNNEST  |UNPARTITIONED|
+                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$390]  |PARTITIONED|
+                                                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                          -- REPLICATE  |PARTITIONED|
+                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$216]  |PARTITIONED|
                                                                                                                     -- ASSIGN  |PARTITIONED|
                                                                                                                       -- ASSIGN  |PARTITIONED|
                                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                                           -- REPLICATE  |PARTITIONED|
                                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                              -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
+                                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
                                                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                  -- HASH_PARTITION_EXCHANGE [$$398, $$397]  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- HYBRID_HASH_JOIN [$$172][$$200]  |PARTITIONED|
-                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- HYBRID_HASH_JOIN [$$391][$$216]  |PARTITIONED|
-                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                          -- HYBRID_HASH_JOIN [$$391][$$390]  |PARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$391]  |PARTITIONED|
-                                                                                                                              -- PRE_CLUSTERED_GROUP_BY[$$399]  |PARTITIONED|
-                                                                                                                                      {
-                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                          -- STREAM_SELECT  |LOCAL|
-                                                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                      }
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- STABLE_SORT [$$399(ASC)]  |PARTITIONED|
+                                                                                                                                  -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
                                                                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                          -- HYBRID_HASH_JOIN [$$399][$$402]  |PARTITIONED|
-                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                -- HASH_PARTITION_EXCHANGE [$$399]  |PARTITIONED|
-                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                              -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$402]  |PARTITIONED|
-                                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- HYBRID_HASH_JOIN [$$407][$$406]  |PARTITIONED|
-                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                -- PRE_CLUSTERED_GROUP_BY[$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                        {
-                                                                                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                                                                                            -- STREAM_SELECT  |LOCAL|
-                                                                                                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                        }
-                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                    -- STABLE_SORT [$$409(ASC), $$411(ASC)]  |PARTITIONED|
-                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                            -- HYBRID_HASH_JOIN [$$409, $$411][$$419, $$420]  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$409, $$411]  |PARTITIONED|
-                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$417][$$418]  |PARTITIONED|
-                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                          -- HASH_PARTITION_EXCHANGE [$$418]  |PARTITIONED|
-                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                              -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                        -- UNNEST  |PARTITIONED|
-                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$425, $$426]  |PARTITIONED|
-                                                                                                                                                                                                    {
-                                                                                                                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                                        -- AGGREGATE  |LOCAL|
-                                                                                                                                                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                                                                                                                    }
-                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                -- STABLE_SORT [$$425(ASC), $$426(ASC)]  |PARTITIONED|
-                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$425, $$426]  |PARTITIONED|
-                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$436, $$428][$$426, $$427]  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- HYBRID_HASH_JOIN [$$445][$$448]  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$435][$$425]  |PARTITIONED|
-                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                -- HYBRID_HASH_JOIN [$$444][$$445]  |PARTITIONED|
-                                                                                                                                                                                                                                  -- HASH_PARTITION_EXCHANGE [$$444]  |PARTITIONED|
-                                                                                                                                                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- HYBRID_HASH_JOIN [$$443][$$442]  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                                                                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                      -- HASH_PARTITION_EXCHANGE [$$445]  |PARTITIONED|
-                                                                                                                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- DATASOURCE_SCAN (test.collection0)  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                    -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                          -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                              -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                            -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                                                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                                                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                      -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                            -- ASSIGN  |PARTITIONED|
-                                                                                                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                -- REPLICATE  |PARTITIONED|
-                                                                                                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                                                                        -- UNNEST  |UNPARTITIONED|
-                                                                                                                                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                                                                                            -- HASH_PARTITION_EXCHANGE [$$390]  |PARTITIONED|
-                                                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                                    -- HASH_PARTITION_EXCHANGE [$$216]  |PARTITIONED|
-                                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                            -- REPLICATE  |PARTITIONED|
-                                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                    -- DATASOURCE_SCAN (test.collection1)  |PARTITIONED|
-                                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                                              -- UNNEST  |UNPARTITIONED|
-                                                                                                                -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                                            -- UNNEST  |UNPARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                                               -- BROADCAST_EXCHANGE  |PARTITIONED|
                                                 -- UNNEST  |UNPARTITIONED|
                                                   -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1581.plan b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1581.plan
index 5c5332a..98fcbfb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1581.plan
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_cbo/tpcds/query-ASTERIXDB-1581.plan
@@ -10,126 +10,147 @@
                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
       -- BROADCAST_EXCHANGE  |LOCAL|
         -- ASSIGN  |LOCAL|
-          -- STREAM_PROJECT  |LOCAL|
-            -- UNNEST  |LOCAL|
-              -- ASSIGN  |LOCAL|
-                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                  -- PRE_CLUSTERED_GROUP_BY[$$173]  |LOCAL|
-                          {
+          -- UNNEST  |LOCAL|
+            -- ASSIGN  |LOCAL|
+              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                -- PRE_CLUSTERED_GROUP_BY[$$173]  |LOCAL|
+                        {
+                          -- AGGREGATE  |LOCAL|
                             -- AGGREGATE  |LOCAL|
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                          }
-                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                      -- STREAM_PROJECT  |LOCAL|
-                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                          -- HYBRID_HASH_JOIN [$$173][$$174]  |LOCAL|
-                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                              -- PRE_CLUSTERED_GROUP_BY[$$109]  |LOCAL|
-                                      {
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                        }
+                  -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                    -- STREAM_PROJECT  |LOCAL|
+                      -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                        -- HYBRID_HASH_JOIN [$$173][$$174]  |LOCAL|
+                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                            -- PRE_CLUSTERED_GROUP_BY[$$109]  |LOCAL|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
                                         -- AGGREGATE  |LOCAL|
-                                          -- AGGREGATE  |LOCAL|
-                                            -- STREAM_SELECT  |LOCAL|
-                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                      }
-                                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                  -- STABLE_SORT [$$109(ASC)]  |LOCAL|
-                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                      -- STREAM_PROJECT  |UNPARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                          -- HYBRID_HASH_JOIN [$$109][$$166]  |UNPARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                              -- ASSIGN  |UNPARTITIONED|
+                                          -- STREAM_SELECT  |LOCAL|
+                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                -- STABLE_SORT [$$109(ASC)]  |LOCAL|
+                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                    -- STREAM_PROJECT  |UNPARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$109][$$166]  |UNPARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                            -- ASSIGN  |UNPARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- REPLICATE  |UNPARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                    -- ASSIGN  |UNPARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                        -- REPLICATE  |UNPARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                            -- AGGREGATE  |UNPARTITIONED|
+                                                              -- AGGREGATE  |UNPARTITIONED|
+                                                                -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                  -- AGGREGATE  |PARTITIONED|
+                                                                    -- STREAM_SELECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- REPLICATE  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                            -- NESTED_LOOP  |UNPARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- ASSIGN  |UNPARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                    -- REPLICATE  |UNPARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                        -- ASSIGN  |UNPARTITIONED|
+                                                          -- STREAM_SELECT  |UNPARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                              -- REPLICATE  |UNPARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                                    -- AGGREGATE  |UNPARTITIONED|
+                                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                        -- AGGREGATE  |PARTITIONED|
+                                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- REPLICATE  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                -- ASSIGN  |UNPARTITIONED|
+                                                  -- AGGREGATE  |UNPARTITIONED|
+                                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                      -- AGGREGATE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- REPLICATE  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                            -- NESTED_LOOP  |LOCAL|
+                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                -- ASSIGN  |LOCAL|
+                                  -- STREAM_PROJECT  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- ASSIGN  |LOCAL|
+                                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                          -- PRE_CLUSTERED_GROUP_BY[$$175]  |LOCAL|
+                                                  {
+                                                    -- AGGREGATE  |LOCAL|
+                                                      -- AGGREGATE  |LOCAL|
+                                                        -- STREAM_SELECT  |LOCAL|
+                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                  }
+                                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+                                              -- STABLE_SORT [$$175(ASC)]  |LOCAL|
                                                 -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- REPLICATE  |UNPARTITIONED|
+                                                  -- STREAM_PROJECT  |UNPARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                      -- ASSIGN  |UNPARTITIONED|
+                                                      -- HYBRID_HASH_JOIN [$$175][$$176]  |UNPARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                           -- REPLICATE  |UNPARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                              -- AGGREGATE  |UNPARTITIONED|
-                                                                -- AGGREGATE  |UNPARTITIONED|
-                                                                  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                    -- AGGREGATE  |PARTITIONED|
-                                                                      -- STREAM_SELECT  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- REPLICATE  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                              -- NESTED_LOOP  |UNPARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- ASSIGN  |UNPARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                      -- REPLICATE  |UNPARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                          -- ASSIGN  |UNPARTITIONED|
-                                                            -- STREAM_SELECT  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- REPLICATE  |UNPARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                    -- AGGREGATE  |UNPARTITIONED|
+                                                              -- ASSIGN  |UNPARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                                  -- REPLICATE  |UNPARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                                       -- AGGREGATE  |UNPARTITIONED|
-                                                                        -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                          -- AGGREGATE  |PARTITIONED|
-                                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- REPLICATE  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                  -- ASSIGN  |UNPARTITIONED|
-                                                    -- AGGREGATE  |UNPARTITIONED|
-                                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                        -- AGGREGATE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- REPLICATE  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                              -- NESTED_LOOP  |LOCAL|
-                                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                  -- ASSIGN  |LOCAL|
-                                    -- STREAM_PROJECT  |LOCAL|
-                                      -- STREAM_SELECT  |LOCAL|
-                                        -- ASSIGN  |LOCAL|
-                                          -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                            -- PRE_CLUSTERED_GROUP_BY[$$175]  |LOCAL|
-                                                    {
-                                                      -- AGGREGATE  |LOCAL|
-                                                        -- AGGREGATE  |LOCAL|
-                                                          -- STREAM_SELECT  |LOCAL|
-                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                    }
-                                              -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-                                                -- STABLE_SORT [$$175(ASC)]  |LOCAL|
-                                                  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                    -- STREAM_PROJECT  |UNPARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$175][$$176]  |UNPARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                            -- REPLICATE  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- ASSIGN  |UNPARTITIONED|
+                                                                        -- AGGREGATE  |UNPARTITIONED|
+                                                                          -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                                                            -- AGGREGATE  |PARTITIONED|
+                                                                              -- STREAM_SELECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- REPLICATE  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                          -- REPLICATE  |UNPARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                                              -- ASSIGN  |UNPARTITIONED|
+                                                                -- STREAM_SELECT  |UNPARTITIONED|
                                                                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                                                                     -- REPLICATE  |UNPARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
@@ -147,42 +168,20 @@
                                                                                               -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
                                                                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                                   -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                            -- REPLICATE  |UNPARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                -- ASSIGN  |UNPARTITIONED|
-                                                                  -- STREAM_SELECT  |UNPARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                      -- REPLICATE  |UNPARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                                                          -- AGGREGATE  |UNPARTITIONED|
-                                                                            -- AGGREGATE  |UNPARTITIONED|
-                                                                              -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                                                                -- AGGREGATE  |PARTITIONED|
-                                                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- REPLICATE  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
-                                  -- ASSIGN  |UNPARTITIONED|
-                                    -- AGGREGATE  |UNPARTITIONED|
-                                      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
-                                        -- AGGREGATE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- STREAM_SELECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
+                                -- ASSIGN  |UNPARTITIONED|
+                                  -- AGGREGATE  |UNPARTITIONED|
+                                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+                                      -- AGGREGATE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ASSIGN  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- REPLICATE  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- REPLICATE  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN (tpcds.store_sales)  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.019.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.019.plan
index 35b62a0..aab321b 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.019.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.019.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (and(gt($$item, 60), lt($$item, 100))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$29, $$item]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$30) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$30] <- [$$d.getField("array")] project: [$$29, $$30] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$29, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) range-filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$30) project: [$$29, $$item] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$30] <- [$$d.getField("array")] project: [$$29, $$30] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$29, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) range-filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.021.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.021.plan
index 83cd2a3..f759f48 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.021.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.021.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (eq($$item, 100)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$27, $$item]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$28) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: eq(scan-collection($$d.getField("array")), 100) range-filter on: eq(scan-collection($$d.getField("array")), 100) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$28) project: [$$27, $$item] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: eq(scan-collection($$d.getField("array")), 100) range-filter on: eq(scan-collection($$d.getField("array")), 100) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.023.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.023.plan
index a812ac3..9f4386d 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.023.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.023.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (gt($$item, 10000)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$27, $$item]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$28) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: gt(scan-collection($$d.getField("array")), 10000) range-filter on: gt(scan-collection($$d.getField("array")), 10000) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$28) project: [$$27, $$item] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: gt(scan-collection($$d.getField("array")), 10000) range-filter on: gt(scan-collection($$d.getField("array")), 10000) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.025.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.025.plan
index 1e2cc69..4b9c6ab 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.025.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/001/001.025.plan
@@ -14,19 +14,17 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               select (gt($$item, 10)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
               -- STREAM_SELECT  |PARTITIONED|
-                project ([$$35, $$34, $$item]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$item <- scan-collection($$36) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- UNNEST  |PARTITIONED|
-                    select (eq($$34, "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_SELECT  |PARTITIONED|
-                      assign [$$34, $$36] <- [$$d.getField("a"), $$d.getField("array")] project: [$$35, $$34, $$36] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ASSIGN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          data-scan []<-[$$35, $$d] <- test.ColumnDataset project ({a:any,array:[any]}) filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) range-filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$item <- scan-collection($$36) project: [$$35, $$34, $$item] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- UNNEST  |PARTITIONED|
+                  select (eq($$34, "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_SELECT  |PARTITIONED|
+                    assign [$$34, $$36] <- [$$d.getField("a"), $$d.getField("array")] project: [$$35, $$34, $$36] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ASSIGN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        data-scan []<-[$$35, $$d] <- test.ColumnDataset project ({a:any,array:[any]}) filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) range-filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.006.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.006.plan
index 0c90a0b..df11815 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.006.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.006.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (gt($$D, " ")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$50) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$50] <- [$$C.getField("dates")] project: [$$50] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$48, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(scan-collection($$C.getField("dates")), " ") range-filter on: gt(scan-collection($$C.getField("dates")), " ") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$50) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$50] <- [$$C.getField("dates")] project: [$$50] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$48, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(scan-collection($$C.getField("dates")), " ") range-filter on: gt(scan-collection($$C.getField("dates")), " ") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.102.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.102.plan
index ba93063..72555d5 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.102.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.102.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (eq(substring($$D, 0, 4), "2011")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$51) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$51) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.105.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.105.plan
index 3693dfe..dbdd8f4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.105.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.105.plan
@@ -14,19 +14,17 @@
             -- STREAM_SELECT  |PARTITIONED|
               assign [$$58] <- [substring($$D, 0, 4)] project: [$$58] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
               -- ASSIGN  |PARTITIONED|
-                project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$D <- scan-collection($$55) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- UNNEST  |PARTITIONED|
-                    assign [$$55] <- [$$C.getField("dates")] project: [$$55] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ASSIGN  |PARTITIONED|
-                      project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          data-scan []<-[$$53, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$D <- scan-collection($$55) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- UNNEST  |PARTITIONED|
+                  assign [$$55] <- [$$C.getField("dates")] project: [$$55] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ASSIGN  |PARTITIONED|
+                    project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        data-scan []<-[$$53, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.113.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.113.plan
index dda40b7..d2e1a2c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.113.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/004/004.113.plan
@@ -14,23 +14,21 @@
             -- STREAM_SELECT  |PARTITIONED|
               assign [$$62] <- [substring($$D, 0, 4)] project: [$$62] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
               -- ASSIGN  |PARTITIONED|
-                project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$D <- scan-collection($$59) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- UNNEST  |PARTITIONED|
-                    project ([$$59]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      select (starts-with($$C.getField("business_id"), "-0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- STREAM_SELECT  |PARTITIONED|
-                        assign [$$59] <- [$$C.getField("dates")] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ASSIGN  |PARTITIONED|
-                          project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              data-scan []<-[$$56, $$C] <- TestYelp.YelpCheckin project ({dates:[any],business_id:any}) filter on: and(starts-with($$C.getField("business_id"), "-0"), or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016"))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$D <- scan-collection($$59) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- UNNEST  |PARTITIONED|
+                  project ([$$59]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    select (starts-with($$C.getField("business_id"), "-0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- STREAM_SELECT  |PARTITIONED|
+                      assign [$$59] <- [$$C.getField("dates")] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ASSIGN  |PARTITIONED|
+                        project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            data-scan []<-[$$56, $$C] <- TestYelp.YelpCheckin project ({dates:[any],business_id:any}) filter on: and(starts-with($$C.getField("business_id"), "-0"), or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016"))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- DATASOURCE_SCAN  |PARTITIONED|
+                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.008.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.008.plan
index d1018a9..3a64cc9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.008.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.008.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (gt(numeric-add($$D, 1), 2018)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$51) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$51) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.011.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.011.plan
index 62d17a6..2f93b7c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.011.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/005/005.011.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (or(gt(numeric-add($$D, 1), 2018), eq(substring($$D, 0, 4), "2011"))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$54) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$54] <- [$$C.getField("dates")] project: [$$54] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$52, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$54) project: [$$D] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$54] <- [$$C.getField("dates")] project: [$$54] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$52, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.032.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.032.plan
index cef6ef6..86ce787 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.032.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.032.plan
@@ -50,25 +50,23 @@
                         -- AGGREGATE  |PARTITIONED|
                           select (eq($$ao.getField("text"), "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                           -- STREAM_SELECT  |PARTITIONED|
-                            project ([$$ao]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              unnest $$ao <- scan-collection($$72) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- UNNEST  |PARTITIONED|
-                                assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- ASSIGN  |PARTITIONED|
-                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- REPLICATE  |PARTITIONED|
-                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        project ([$$b2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) range-filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            unnest $$ao <- scan-collection($$72) project: [$$ao] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- UNNEST  |PARTITIONED|
+                              assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- ASSIGN  |PARTITIONED|
+                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- REPLICATE  |PARTITIONED|
+                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      project ([$$b2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) range-filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.042.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.042.plan
index 5c4254a..d570b28 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.042.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.042.plan
@@ -44,25 +44,23 @@
                     -- AGGREGATE  |PARTITIONED|
                       select (eq($$ao.getField("text"), "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                       -- STREAM_SELECT  |PARTITIONED|
-                        project ([$$ao]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          unnest $$ao <- scan-collection($$72) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- UNNEST  |PARTITIONED|
-                            assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ASSIGN  |PARTITIONED|
-                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- REPLICATE  |PARTITIONED|
-                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    project ([$$b2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        unnest $$ao <- scan-collection($$72) project: [$$ao] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- UNNEST  |PARTITIONED|
+                          assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ASSIGN  |PARTITIONED|
+                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- REPLICATE  |PARTITIONED|
+                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  project ([$$b2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.062.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.062.plan
index 6c52036..d91d7bf 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.062.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/filter/subplan/subplan.062.plan
@@ -40,25 +40,23 @@
               -- STREAM_SELECT  |PARTITIONED|
                 assign [$$60] <- [$$ao.getField("text")] project: [$$60] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                 -- ASSIGN  |PARTITIONED|
-                  project ([$$ao]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    unnest $$ao <- scan-collection($$65) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- UNNEST  |PARTITIONED|
-                      assign [$$65] <- [$$p2.getField("arrayOrObject")] project: [$$65] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- ASSIGN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- REPLICATE  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  data-scan []<-[$$62, $$p2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) range-filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  unnest $$ao <- scan-collection($$65) project: [$$ao] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- UNNEST  |PARTITIONED|
+                    assign [$$65] <- [$$p2.getField("arrayOrObject")] project: [$$65] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- ASSIGN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        replicate [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- REPLICATE  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                data-scan []<-[$$62, $$p2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) range-filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
index d0564ed..29b623c 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
@@ -12,17 +12,15 @@
           -- STABLE_SORT [$$30(ASC)]  |PARTITIONED|
             exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              project ([$$urls, $$30]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$urls <- scan-collection($$31) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$31] <- [$$p.getField("entities").getField("urls")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$30, $$p] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$urls <- scan-collection($$31) project: [$$urls, $$30] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$31] <- [$$p.getField("entities").getField("urls")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$30, $$p] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.010.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.010.plan
index 80e2528..07b4a04 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.010.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.010.plan
@@ -28,21 +28,19 @@
                 -- STREAM_SELECT  |PARTITIONED|
                   assign [$$75, $$70] <- [$$ht.getField("indices"), $$ht.getField("display_url")] project: [$$75, $$70] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                   -- ASSIGN  |PARTITIONED|
-                    project ([$$ht]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      unnest $$ht <- scan-collection($$74) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- UNNEST  |PARTITIONED|
-                        assign [$$74] <- [$$p1.getField("entities").getField("urls")] project: [$$74] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ASSIGN  |PARTITIONED|
-                          project ([$$p1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            select (neq($$71, "0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- STREAM_SELECT  |PARTITIONED|
-                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                data-scan []<-[$$71, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any,indices:any}]}}) filter on: eq(lowercase(scan-collection($$p1.getField("entities").getField("urls")).getField("display_url")), "string") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    unnest $$ht <- scan-collection($$74) project: [$$ht] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- UNNEST  |PARTITIONED|
+                      assign [$$74] <- [$$p1.getField("entities").getField("urls")] project: [$$74] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ASSIGN  |PARTITIONED|
+                        project ([$$p1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          select (neq($$71, "0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- STREAM_SELECT  |PARTITIONED|
+                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              data-scan []<-[$$71, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any,indices:any}]}}) filter on: eq(lowercase(scan-collection($$p1.getField("entities").getField("urls")).getField("display_url")), "string") [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.014.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.014.plan
index dd62779..1b2ac8f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.014.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/other-pushdowns/other-pushdowns.014.plan
@@ -63,39 +63,35 @@
                                             -- RUNNING_AGGREGATE  |PARTITIONED|
                                               assign [$$106] <- [$$ht1.getField("display_url")] project: [$$102, $$106] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                               -- ASSIGN  |PARTITIONED|
-                                                project ([$$102, $$ht1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  unnest $$ht1 <- scan-collection($$107) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                  -- UNNEST  |PARTITIONED|
-                                                    assign [$$107, $$102] <- [$$p1.getField("entities").getField("urls"), $$p1.getField("user").getField("name")] project: [$$107, $$102] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      project ([$$p1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          data-scan []<-[$$103, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]},user:{name:any}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                          -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
-                                            assign [$$113, $$88] <- [true, $$ht2.getField("display_url")] project: [$$113, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                            -- ASSIGN  |PARTITIONED|
-                                              project ([$$ht2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                unnest $$ht2 <- scan-collection($$108) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                unnest $$ht1 <- scan-collection($$107) project: [$$102, $$ht1] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                 -- UNNEST  |PARTITIONED|
-                                                  assign [$$108] <- [$$p2.getField("entities").getField("urls")] project: [$$108] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                  assign [$$107, $$102] <- [$$p1.getField("entities").getField("urls"), $$p1.getField("user").getField("name")] project: [$$107, $$102] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                   -- ASSIGN  |PARTITIONED|
-                                                    project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                    project ([$$p1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        data-scan []<-[$$104, $$p2] <- test.RowDataset [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                        data-scan []<-[$$103, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]},user:{name:any}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                                           exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                          -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
+                                            assign [$$113, $$88] <- [true, $$ht2.getField("display_url")] project: [$$113, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                            -- ASSIGN  |PARTITIONED|
+                                              unnest $$ht2 <- scan-collection($$108) project: [$$ht2] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                              -- UNNEST  |PARTITIONED|
+                                                assign [$$108] <- [$$p2.getField("entities").getField("urls")] project: [$$108] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                -- ASSIGN  |PARTITIONED|
+                                                  project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      data-scan []<-[$$104, $$p2] <- test.RowDataset [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.010.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.010.plan
index 11b30c7..7a539ee 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.010.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.010.plan
@@ -94,40 +94,38 @@
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                               assign [$$259, $$267, $$266, $$256] <- [$$255.getField("ol_amount"), $$255.getField("ol_supply_w_id"), $$255.getField("ol_i_id"), $$255.getField("ol_delivery_d")] project: [$$259, $$267, $$266, $$256] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                               -- ASSIGN  |PARTITIONED|
-                                                                project ([$$255]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  unnest $$255 <- scan-collection($$270) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                  -- UNNEST  |PARTITIONED|
-                                                                    assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          unnest-map [$$257, $$254] <- index-search("orders", 0, "Default", "test", "orders", false, false, 1, $$291, 1, $$291, true, true, true) project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                          -- BTREE_SEARCH  |PARTITIONED|
-                                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              distinct ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                              -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  order (ASC, $$291) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                  -- STABLE_SORT [$$291(ASC)]  |PARTITIONED|
-                                                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      project ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          unnest-map [$$290, $$291] <- index-search("orderline_delivery_d", 0, "Default", "test", "orders", false, false, 1, $$288, 1, $$289, true, false, false) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                          -- BTREE_SEARCH  |PARTITIONED|
-                                                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              assign [$$288, $$289] <- ["2018-01-01 00:00:00.000000", "2018-04-01 00:00:00.000000"] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                unnest $$255 <- scan-collection($$270) project: [$$255] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                -- UNNEST  |PARTITIONED|
+                                                                  assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        unnest-map [$$257, $$254] <- index-search("orders", 0, "Default", "test", "orders", false, false, 1, $$291, 1, $$291, true, true, true) project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            distinct ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                            -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                order (ASC, $$291) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                -- STABLE_SORT [$$291(ASC)]  |PARTITIONED|
+                                                                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    project ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        unnest-map [$$290, $$291] <- index-search("orderline_delivery_d", 0, "Default", "test", "orders", false, false, 1, $$288, 1, $$289, true, false, false) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            assign [$$288, $$289] <- ["2018-01-01 00:00:00.000000", "2018-04-01 00:00:00.000000"] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                           -- HASH_PARTITION_EXCHANGE [$$268]  |PARTITIONED|
                             assign [$$268] <- [get-item($$213, 0)] project: [$$268] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
@@ -202,40 +200,38 @@
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                       assign [$$259, $$267, $$266, $$256] <- [$$255.getField("ol_amount"), $$255.getField("ol_supply_w_id"), $$255.getField("ol_i_id"), $$255.getField("ol_delivery_d")] project: [$$259, $$267, $$266, $$256] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                                       -- ASSIGN  |PARTITIONED|
-                                                                        project ([$$255]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          unnest $$255 <- scan-collection($$270) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                          -- UNNEST  |PARTITIONED|
-                                                                            assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  unnest-map [$$257, $$254] <- index-search("orders", 0, "Default", "test", "orders", false, false, 1, $$291, 1, $$291, true, true, true) project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                  -- BTREE_SEARCH  |PARTITIONED|
-                                                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      distinct ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                      -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
-                                                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          order (ASC, $$291) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                          -- STABLE_SORT [$$291(ASC)]  |PARTITIONED|
-                                                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              project ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                  unnest-map [$$290, $$291] <- index-search("orderline_delivery_d", 0, "Default", "test", "orders", false, false, 1, $$288, 1, $$289, true, false, false) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                  -- BTREE_SEARCH  |PARTITIONED|
-                                                                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                      assign [$$288, $$289] <- ["2018-01-01 00:00:00.000000", "2018-04-01 00:00:00.000000"] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                      -- ASSIGN  |PARTITIONED|
-                                                                                                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                        unnest $$255 <- scan-collection($$270) project: [$$255] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                        -- UNNEST  |PARTITIONED|
+                                                                          assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                unnest-map [$$257, $$254] <- index-search("orders", 0, "Default", "test", "orders", false, false, 1, $$291, 1, $$291, true, true, true) project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                -- BTREE_SEARCH  |PARTITIONED|
+                                                                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    distinct ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                    -- PRE_SORTED_DISTINCT_BY  |PARTITIONED|
+                                                                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        order (ASC, $$291) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                        -- STABLE_SORT [$$291(ASC)]  |PARTITIONED|
+                                                                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            project ([$$291]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                unnest-map [$$290, $$291] <- index-search("orderline_delivery_d", 0, "Default", "test", "orders", false, false, 1, $$288, 1, $$289, true, false, false) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                                -- BTREE_SEARCH  |PARTITIONED|
+                                                                                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                    assign [$$288, $$289] <- ["2018-01-01 00:00:00.000000", "2018-04-01 00:00:00.000000"] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                                      empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                   -- HASH_PARTITION_EXCHANGE [$$230]  |PARTITIONED|
                     assign [$$274, $$273, $$272, $$230] <- [$$su.getField("su_phone"), $$su.getField("su_address"), $$su.getField("su_name"), $$su.getField("su_suppkey")] project: [$$230, $$272, $$273, $$274] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.011.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.011.plan
index 21eb2fb..6e0471a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.011.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/column/pushdown/replicate/replicate.011.plan
@@ -94,22 +94,20 @@
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                               assign [$$259, $$267, $$266, $$256] <- [$$255.getField("ol_amount"), $$255.getField("ol_supply_w_id"), $$255.getField("ol_i_id"), $$255.getField("ol_delivery_d")] project: [$$259, $$267, $$266, $$256] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                               -- ASSIGN  |PARTITIONED|
-                                                                project ([$$255]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  unnest $$255 <- scan-collection($$270) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                  -- UNNEST  |PARTITIONED|
-                                                                    assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          data-scan []<-[$$257, $$254] <- test.orders project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                unnest $$255 <- scan-collection($$270) project: [$$255] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                -- UNNEST  |PARTITIONED|
+                                                                  assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        data-scan []<-[$$257, $$254] <- test.orders project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                           -- HASH_PARTITION_EXCHANGE [$$268]  |PARTITIONED|
                             assign [$$268] <- [get-item($$213, 0)] project: [$$268] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
@@ -184,22 +182,20 @@
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                       assign [$$259, $$267, $$266, $$256] <- [$$255.getField("ol_amount"), $$255.getField("ol_supply_w_id"), $$255.getField("ol_i_id"), $$255.getField("ol_delivery_d")] project: [$$259, $$267, $$266, $$256] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                                       -- ASSIGN  |PARTITIONED|
-                                                                        project ([$$255]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                          unnest $$255 <- scan-collection($$270) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                          -- UNNEST  |PARTITIONED|
-                                                                            assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  data-scan []<-[$$257, $$254] <- test.orders project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                        unnest $$255 <- scan-collection($$270) project: [$$255] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                        -- UNNEST  |PARTITIONED|
+                                                                          assign [$$270] <- [$$254.getField("o_orderline")] project: [$$270] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            project ([$$254]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                data-scan []<-[$$257, $$254] <- test.orders project ({o_orderline:[{ol_delivery_d:any,ol_i_id:any,ol_supply_w_id:any,ol_amount:any}]}) filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) range-filter on: and(ge(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-01-01 00:00:00.000000"), lt(scan-collection($$254.getField("o_orderline")).getField("ol_delivery_d"), "2018-04-01 00:00:00.000000")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                   -- HASH_PARTITION_EXCHANGE [$$230]  |PARTITIONED|
                     assign [$$274, $$273, $$272, $$230] <- [$$su.getField("su_phone"), $$su.getField("su_address"), $$su.getField("su_name"), $$su.getField("su_suppkey")] project: [$$230, $$272, $$273, $$274] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan
index e16bb2c..58a0b66 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.11.plan
@@ -12,17 +12,15 @@
           -- STABLE_SORT [$$31(ASC)]  |PARTITIONED|
             exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              project ([$$urls, $$31]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$urls <- scan-collection($$30) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$30, $$31] <- [$$p.getField("entities").getField("urls"), $$p.getField("id")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$p] <- test.ParquetDataset [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$urls <- scan-collection($$30) project: [$$urls, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$30, $$31] <- [$$p.getField("entities").getField("urls"), $$p.getField("id")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$p] <- test.ParquetDataset [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan
index 6c29e2e..ddefb06 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/array-access-pushdown/array-access-pushdown.13.plan
@@ -12,17 +12,15 @@
           -- STABLE_SORT [$$31(ASC)]  |PARTITIONED|
             exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              project ([$$urls, $$31]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$urls <- scan-collection($$30) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$30, $$31] <- [$$p.getField("entities").getField("urls"), $$p.getField("id")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$p] <- test.ParquetDataset project ({entities:{urls:[{display_url:any}]},id:any}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$urls <- scan-collection($$30) project: [$$urls, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$30, $$31] <- [$$p.getField("entities").getField("urls"), $$p.getField("id")] project: [$$30, $$31] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$p] <- test.ParquetDataset project ({entities:{urls:[{display_url:any}]},id:any}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan
index 5b9b812..9b93e19 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.05.plan
@@ -28,19 +28,17 @@
                 -- STREAM_SELECT  |PARTITIONED|
                   assign [$$74, $$70] <- [$$ht.getField("indices"), $$ht.getField("text")] project: [$$74, $$70] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                   -- ASSIGN  |PARTITIONED|
-                    project ([$$ht]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      unnest $$ht <- scan-collection($$73) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- UNNEST  |PARTITIONED|
-                        assign [$$73] <- [$$p1.getField("entities").getField("hashtags")] project: [$$73] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ASSIGN  |PARTITIONED|
-                          select (gt($$p1.getField("id"), 10)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- STREAM_SELECT  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              data-scan []<-[$$p1] <- test.ParquetDataset1 project ({entities:{hashtags:[{indices:any,text:any}]},id:any}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    unnest $$ht <- scan-collection($$73) project: [$$ht] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- UNNEST  |PARTITIONED|
+                      assign [$$73] <- [$$p1.getField("entities").getField("hashtags")] project: [$$73] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ASSIGN  |PARTITIONED|
+                        select (gt($$p1.getField("id"), 10)) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- STREAM_SELECT  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            data-scan []<-[$$p1] <- test.ParquetDataset1 project ({entities:{hashtags:[{indices:any,text:any}]},id:any}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- DATASOURCE_SCAN  |PARTITIONED|
+                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
index 86f2de4..f6fa9e9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/external-dataset/common/parquet/pushdown-plans/pushdown-plans.07.plan
@@ -69,35 +69,31 @@
                                                   -- RUNNING_AGGREGATE  |PARTITIONED|
                                                     assign [$$104] <- [$$ht1.getField("text")] project: [$$102, $$104] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                     -- ASSIGN  |PARTITIONED|
-                                                      project ([$$102, $$ht1]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        unnest $$ht1 <- scan-collection($$105) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                        -- UNNEST  |PARTITIONED|
-                                                          assign [$$105, $$102] <- [$$p1.getField("entities").getField("hashtags"), $$p1.getField("user").getField("name")] project: [$$105, $$102] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              data-scan []<-[$$p1] <- test.ParquetDataset1 project ({entities:{hashtags:[{text:any}]},user:{name:any}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
-                                                  assign [$$111, $$88] <- [true, $$ht2.getField("text")] project: [$$111, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    project ([$$ht2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      unnest $$ht2 <- scan-collection($$106) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                      unnest $$ht1 <- scan-collection($$105) project: [$$102, $$ht1] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                       -- UNNEST  |PARTITIONED|
-                                                        assign [$$106] <- [$$p2.getField("entities").getField("hashtags")] project: [$$106] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                        assign [$$105, $$102] <- [$$p1.getField("entities").getField("hashtags"), $$p1.getField("user").getField("name")] project: [$$105, $$102] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                         -- ASSIGN  |PARTITIONED|
                                                           exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            data-scan []<-[$$p2] <- test.ParquetDataset2 project ({entities:{hashtags:[{text:any}]}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                            data-scan []<-[$$p1] <- test.ParquetDataset1 project ({entities:{hashtags:[{text:any}]},user:{name:any}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                             -- DATASOURCE_SCAN  |PARTITIONED|
                                                               exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                 empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
+                                                  assign [$$111, $$88] <- [true, $$ht2.getField("text")] project: [$$111, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    unnest $$ht2 <- scan-collection($$106) project: [$$ht2] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                    -- UNNEST  |PARTITIONED|
+                                                      assign [$$106] <- [$$p2.getField("entities").getField("hashtags")] project: [$$106] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          data-scan []<-[$$p2] <- test.ParquetDataset2 project ({entities:{hashtags:[{text:any}]}}) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.019.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.019.plan
index e92c9d8..86261c2 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.019.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.019.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (and(gt($$item, 60), lt($$item, 100))) [cardinality: 3.0, op-cost: 0.0, total-cost: 18.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$29, $$item]) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$30) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$30] <- [$$d.getField("array")] project: [$$29, $$30] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$29, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) range-filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$30) project: [$$29, $$item] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$30] <- [$$d.getField("array")] project: [$$29, $$30] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$29, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) range-filter on: and(gt(scan-collection($$d.getField("array")), 60), lt(scan-collection($$d.getField("array")), 100)) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.021.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.021.plan
index 3195fc2..92e17e9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.021.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.021.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (eq($$item, 100)) [cardinality: 1.0, op-cost: 0.0, total-cost: 18.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$27, $$item]) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$28) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: eq(scan-collection($$d.getField("array")), 100) range-filter on: eq(scan-collection($$d.getField("array")), 100) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$28) project: [$$27, $$item] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: eq(scan-collection($$d.getField("array")), 100) range-filter on: eq(scan-collection($$d.getField("array")), 100) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.023.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.023.plan
index 5547b59..cf064f4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.023.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.023.plan
@@ -12,17 +12,15 @@
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
             select (gt($$item, 10000)) [cardinality: 0.0, op-cost: 0.0, total-cost: 18.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$27, $$item]) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$item <- scan-collection($$28) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: gt(scan-collection($$d.getField("array")), 10000) range-filter on: gt(scan-collection($$d.getField("array")), 10000) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$item <- scan-collection($$28) project: [$$27, $$item] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$28] <- [$$d.getField("array")] project: [$$27, $$28] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$27, $$d] <- test.ColumnDataset project ({array:[any]}) filter on: gt(scan-collection($$d.getField("array")), 10000) range-filter on: gt(scan-collection($$d.getField("array")), 10000) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.025.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.025.plan
index 4e16e9a..db695c8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.025.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/001/001.025.plan
@@ -14,19 +14,17 @@
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               select (gt($$item, 10)) [cardinality: 2.0, op-cost: 0.0, total-cost: 18.0]
               -- STREAM_SELECT  |PARTITIONED|
-                project ([$$35, $$34, $$item]) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$item <- scan-collection($$36) [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                  -- UNNEST  |PARTITIONED|
-                    select (eq($$34, "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                    -- STREAM_SELECT  |PARTITIONED|
-                      assign [$$34, $$36] <- [$$d.getField("a"), $$d.getField("array")] project: [$$35, $$34, $$36] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                      -- ASSIGN  |PARTITIONED|
-                        exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          data-scan []<-[$$35, $$d] <- test.ColumnDataset project ({a:any,array:[any]}) filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) range-filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$item <- scan-collection($$36) project: [$$35, $$34, $$item] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                -- UNNEST  |PARTITIONED|
+                  select (eq($$34, "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                  -- STREAM_SELECT  |PARTITIONED|
+                    assign [$$34, $$36] <- [$$d.getField("a"), $$d.getField("array")] project: [$$35, $$34, $$36] [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                    -- ASSIGN  |PARTITIONED|
+                      exchange [cardinality: 18.0, op-cost: 0.0, total-cost: 18.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        data-scan []<-[$$35, $$d] <- test.ColumnDataset project ({a:any,array:[any]}) filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) range-filter on: and(eq($$d.getField("a"), "1"), gt(scan-collection($$d.getField("array")), 10)) [cardinality: 18.0, op-cost: 18.0, total-cost: 18.0]
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.006.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.006.plan
index f2d4a33..3ec4665 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.006.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.006.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (gt($$D, " ")) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$50) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$50] <- [$$C.getField("dates")] project: [$$50] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$48, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(scan-collection($$C.getField("dates")), " ") range-filter on: gt(scan-collection($$C.getField("dates")), " ") [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$50) project: [$$D] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$50] <- [$$C.getField("dates")] project: [$$50] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$48, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(scan-collection($$C.getField("dates")), " ") range-filter on: gt(scan-collection($$C.getField("dates")), " ") [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.102.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.102.plan
index c756f77..983043f 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.102.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.102.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (eq(substring($$D, 0, 4), "2011")) [cardinality: 6.0, op-cost: 0.0, total-cost: 101.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$51) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011") [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$51) project: [$$D] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011") [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.105.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.105.plan
index d984346..4ca4676 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.105.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.105.plan
@@ -14,19 +14,17 @@
             -- STREAM_SELECT  |PARTITIONED|
               assign [$$58] <- [substring($$D, 0, 4)] project: [$$58] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
               -- ASSIGN  |PARTITIONED|
-                project ([$$D]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$D <- scan-collection($$55) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                  -- UNNEST  |PARTITIONED|
-                    assign [$$55] <- [$$C.getField("dates")] project: [$$55] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                    -- ASSIGN  |PARTITIONED|
-                      project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          data-scan []<-[$$53, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016")) [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
-                          -- DATASOURCE_SCAN  |PARTITIONED|
-                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$D <- scan-collection($$55) project: [$$D] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                -- UNNEST  |PARTITIONED|
+                  assign [$$55] <- [$$C.getField("dates")] project: [$$55] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                  -- ASSIGN  |PARTITIONED|
+                    project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        data-scan []<-[$$53, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016")) [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.113.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.113.plan
index 9d96856..137dec4 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.113.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/004/004.113.plan
@@ -14,23 +14,21 @@
             -- STREAM_SELECT  |PARTITIONED|
               assign [$$62] <- [substring($$D, 0, 4)] project: [$$62] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
               -- ASSIGN  |PARTITIONED|
-                project ([$$D]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                -- STREAM_PROJECT  |PARTITIONED|
-                  unnest $$D <- scan-collection($$59) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                  -- UNNEST  |PARTITIONED|
-                    project ([$$59]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      select (starts-with($$C.getField("business_id"), "-0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                      -- STREAM_SELECT  |PARTITIONED|
-                        assign [$$59] <- [$$C.getField("dates")] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                        -- ASSIGN  |PARTITIONED|
-                          project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              data-scan []<-[$$56, $$C] <- TestYelp.YelpCheckin project ({dates:[any],business_id:any}) filter on: and(starts-with($$C.getField("business_id"), "-0"), or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016"))) [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
-                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                unnest $$D <- scan-collection($$59) project: [$$D] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                -- UNNEST  |PARTITIONED|
+                  project ([$$59]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    select (starts-with($$C.getField("business_id"), "-0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                    -- STREAM_SELECT  |PARTITIONED|
+                      assign [$$59] <- [$$C.getField("dates")] [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                      -- ASSIGN  |PARTITIONED|
+                        project ([$$C]) [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          exchange [cardinality: 101.0, op-cost: 0.0, total-cost: 101.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            data-scan []<-[$$56, $$C] <- TestYelp.YelpCheckin project ({dates:[any],business_id:any}) filter on: and(starts-with($$C.getField("business_id"), "-0"), or(eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011"), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2016"))) [cardinality: 101.0, op-cost: 101.0, total-cost: 101.0]
+                            -- DATASOURCE_SCAN  |PARTITIONED|
+                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.008.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.008.plan
index a6f2abe..38042d2 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.008.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.008.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (gt(numeric-add($$D, 1), 2018)) [cardinality: 2.0, op-cost: 0.0, total-cost: 99.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$51) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018) [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$51) project: [$$D] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$51] <- [$$C.getField("dates")] project: [$$51] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$49, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018) [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.011.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.011.plan
index 5fbbf70..05a2f75 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.011.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/005/005.011.plan
@@ -12,19 +12,17 @@
           -- AGGREGATE  |PARTITIONED|
             select (or(gt(numeric-add($$D, 1), 2018), eq(substring($$D, 0, 4), "2011"))) [cardinality: 8.0, op-cost: 0.0, total-cost: 99.0]
             -- STREAM_SELECT  |PARTITIONED|
-              project ([$$D]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$D <- scan-collection($$54) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$54] <- [$$C.getField("dates")] project: [$$54] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                  -- ASSIGN  |PARTITIONED|
-                    project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        data-scan []<-[$$52, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011")) [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
-                        -- DATASOURCE_SCAN  |PARTITIONED|
-                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$D <- scan-collection($$54) project: [$$D] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$54] <- [$$C.getField("dates")] project: [$$54] [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                -- ASSIGN  |PARTITIONED|
+                  project ([$$C]) [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    exchange [cardinality: 99.0, op-cost: 0.0, total-cost: 99.0]
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      data-scan []<-[$$52, $$C] <- TestYelp.YelpCheckin project ({dates:[any]}) filter on: or(gt(numeric-add(scan-collection($$C.getField("dates")), 1), 2018), eq(substring(scan-collection($$C.getField("dates")), 0, 4), "2011")) [cardinality: 99.0, op-cost: 99.0, total-cost: 99.0]
+                      -- DATASOURCE_SCAN  |PARTITIONED|
+                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.032.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.032.plan
index 5fb03d7..9369c01 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.032.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.032.plan
@@ -50,25 +50,23 @@
                         -- AGGREGATE  |PARTITIONED|
                           select (eq($$ao.getField("text"), "1")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                           -- STREAM_SELECT  |PARTITIONED|
-                            project ([$$ao]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              unnest $$ao <- scan-collection($$72) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                              -- UNNEST  |PARTITIONED|
-                                assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                -- ASSIGN  |PARTITIONED|
-                                  exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                    -- REPLICATE  |PARTITIONED|
-                                      exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        project ([$$b2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) range-filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            unnest $$ao <- scan-collection($$72) project: [$$ao] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                            -- UNNEST  |PARTITIONED|
+                              assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                              -- ASSIGN  |PARTITIONED|
+                                exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                                  -- REPLICATE  |PARTITIONED|
+                                    exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      project ([$$b2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) range-filter on: or(eq($$b2.getField("arrayOrObject").getField("text"), "7"), eq(scan-collection($$b2.getField("arrayOrObject")).getField("text"), "1")) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.042.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.042.plan
index 7b7210c..1ea894a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.042.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.042.plan
@@ -44,25 +44,23 @@
                     -- AGGREGATE  |PARTITIONED|
                       select (eq($$ao.getField("text"), "1")) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                       -- STREAM_SELECT  |PARTITIONED|
-                        project ([$$ao]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          unnest $$ao <- scan-collection($$72) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                          -- UNNEST  |PARTITIONED|
-                            assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                            -- ASSIGN  |PARTITIONED|
-                              exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                -- REPLICATE  |PARTITIONED|
-                                  exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    project ([$$b2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        unnest $$ao <- scan-collection($$72) project: [$$ao] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                        -- UNNEST  |PARTITIONED|
+                          assign [$$72] <- [$$b2.getField("arrayOrObject")] project: [$$72] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                          -- ASSIGN  |PARTITIONED|
+                            exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                              -- REPLICATE  |PARTITIONED|
+                                exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  project ([$$b2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      data-scan []<-[$$68, $$b2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.062.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.062.plan
index a846570..34272dc 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.062.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/filter/subplan/subplan.062.plan
@@ -40,25 +40,23 @@
               -- STREAM_SELECT  |PARTITIONED|
                 assign [$$60] <- [$$ao.getField("text")] project: [$$60] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                 -- ASSIGN  |PARTITIONED|
-                  project ([$$ao]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    unnest $$ao <- scan-collection($$65) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                    -- UNNEST  |PARTITIONED|
-                      assign [$$65] <- [$$p2.getField("arrayOrObject")] project: [$$65] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                      -- ASSIGN  |PARTITIONED|
-                        exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                          -- REPLICATE  |PARTITIONED|
-                            exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              project ([$$p2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  data-scan []<-[$$62, $$p2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) range-filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                  unnest $$ao <- scan-collection($$65) project: [$$ao] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                  -- UNNEST  |PARTITIONED|
+                    assign [$$65] <- [$$p2.getField("arrayOrObject")] project: [$$65] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                    -- ASSIGN  |PARTITIONED|
+                      exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        replicate [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                        -- REPLICATE  |PARTITIONED|
+                          exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            project ([$$p2]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              exchange [cardinality: 1.0, op-cost: 4.0, total-cost: 5.0]
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                data-scan []<-[$$62, $$p2] <- test.ColumnDataset project ({arrayOrObject:<[{text:any}],{text:any}>}) filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) range-filter on: or(eq($$p2.getField("arrayOrObject").getField("text"), "7"), and(ge(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "1"), le(scan-collection($$p2.getField("arrayOrObject")).getField("text"), "2"))) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
index 53bfed9..9ca8f3e 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/array-access-pushdown/array-access-pushdown.008.plan
@@ -12,17 +12,15 @@
           -- STABLE_SORT [$$30(ASC)]  |PARTITIONED|
             exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              project ([$$urls, $$30]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-              -- STREAM_PROJECT  |PARTITIONED|
-                unnest $$urls <- scan-collection($$31) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                -- UNNEST  |PARTITIONED|
-                  assign [$$31] <- [$$p.getField("entities").getField("urls")] project: [$$30, $$31] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                  -- ASSIGN  |PARTITIONED|
-                    exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      data-scan []<-[$$30, $$p] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]}}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                      -- DATASOURCE_SCAN  |PARTITIONED|
-                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              unnest $$urls <- scan-collection($$31) project: [$$urls, $$30] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+              -- UNNEST  |PARTITIONED|
+                assign [$$31] <- [$$p.getField("entities").getField("urls")] project: [$$30, $$31] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                -- ASSIGN  |PARTITIONED|
+                  exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$30, $$p] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]}}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.010.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.010.plan
index ace08dd..de1dbf8 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.010.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.010.plan
@@ -28,21 +28,19 @@
                 -- STREAM_SELECT  |PARTITIONED|
                   assign [$$75, $$70] <- [$$ht.getField("indices"), $$ht.getField("display_url")] project: [$$75, $$70] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                   -- ASSIGN  |PARTITIONED|
-                    project ([$$ht]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      unnest $$ht <- scan-collection($$74) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                      -- UNNEST  |PARTITIONED|
-                        assign [$$74] <- [$$p1.getField("entities").getField("urls")] project: [$$74] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                        -- ASSIGN  |PARTITIONED|
-                          project ([$$p1]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            select (neq($$71, "0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                            -- STREAM_SELECT  |PARTITIONED|
-                              exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                data-scan []<-[$$71, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any,indices:any}]}}) filter on: eq(lowercase(scan-collection($$p1.getField("entities").getField("urls")).getField("display_url")), "string") [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                    unnest $$ht <- scan-collection($$74) project: [$$ht] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                    -- UNNEST  |PARTITIONED|
+                      assign [$$74] <- [$$p1.getField("entities").getField("urls")] project: [$$74] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                      -- ASSIGN  |PARTITIONED|
+                        project ([$$p1]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          select (neq($$71, "0")) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                          -- STREAM_SELECT  |PARTITIONED|
+                            exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              data-scan []<-[$$71, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any,indices:any}]}}) filter on: eq(lowercase(scan-collection($$p1.getField("entities").getField("urls")).getField("display_url")), "string") [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.014.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.014.plan
index f834792..3724718 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.014.plan
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/column/pushdown/other-pushdowns/other-pushdowns.014.plan
@@ -63,39 +63,35 @@
                                             -- RUNNING_AGGREGATE  |PARTITIONED|
                                               assign [$$106] <- [$$ht1.getField("display_url")] project: [$$102, $$106] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                                               -- ASSIGN  |PARTITIONED|
-                                                project ([$$102, $$ht1]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  unnest $$ht1 <- scan-collection($$107) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                                  -- UNNEST  |PARTITIONED|
-                                                    assign [$$107, $$102] <- [$$p1.getField("entities").getField("urls"), $$p1.getField("user").getField("name")] project: [$$107, $$102] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      project ([$$p1]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          data-scan []<-[$$103, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]},user:{name:any}}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                          -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
-                                            assign [$$113, $$88] <- [true, $$ht2.getField("display_url")] project: [$$113, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                            -- ASSIGN  |PARTITIONED|
-                                              project ([$$ht2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                unnest $$ht2 <- scan-collection($$108) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                                unnest $$ht1 <- scan-collection($$107) project: [$$102, $$ht1] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                                                 -- UNNEST  |PARTITIONED|
-                                                  assign [$$108] <- [$$p2.getField("entities").getField("urls")] project: [$$108] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                  assign [$$107, $$102] <- [$$p1.getField("entities").getField("urls"), $$p1.getField("user").getField("name")] project: [$$107, $$102] [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                                                   -- ASSIGN  |PARTITIONED|
-                                                    project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                    project ([$$p1]) [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                                                     -- STREAM_PROJECT  |PARTITIONED|
-                                                      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                      exchange [cardinality: 1.0, op-cost: 0.0, total-cost: 1.0]
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        data-scan []<-[$$104, $$p2] <- test.RowDataset [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                                        data-scan []<-[$$103, $$p1] <- test.ColumnDataset project ({entities:{urls:[{display_url:any}]},user:{name:any}}) [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
                                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                                           exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                          -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
+                                            assign [$$113, $$88] <- [true, $$ht2.getField("display_url")] project: [$$113, $$88] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                            -- ASSIGN  |PARTITIONED|
+                                              unnest $$ht2 <- scan-collection($$108) project: [$$ht2] [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                              -- UNNEST  |PARTITIONED|
+                                                assign [$$108] <- [$$p2.getField("entities").getField("urls")] project: [$$108] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                -- ASSIGN  |PARTITIONED|
+                                                  project ([$$p2]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      data-scan []<-[$$104, $$p2] <- test.RowDataset [cardinality: 1.0, op-cost: 1.0, total-cost: 1.0]
+                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                        exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
index 64e41f5..8559bb6 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
@@ -25,7 +25,7 @@
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
 
-public abstract class AbstractScanOperator extends AbstractLogicalOperator {
+public abstract class AbstractScanOperator extends AbstractProjectingOperator {
     protected List<LogicalVariable> variables;
 
     public AbstractScanOperator(List<LogicalVariable> variables) {
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestNonMapOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestNonMapOperator.java
index 5c485d5..77bf37e 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestNonMapOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestNonMapOperator.java
@@ -25,6 +25,7 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.FilteredVariablePropagationPolicy;
 import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
 
 public abstract class AbstractUnnestNonMapOperator extends AbstractUnnestOperator {
@@ -85,7 +86,25 @@
     }
 
     @Override
+    public void recomputeSchema() {
+        schema = new ArrayList<>();
+        if (isProjectPushed()) {
+            for (LogicalVariable v : getProjectVariables()) {
+                schema.add(v);
+            }
+            return;
+        }
+
+        schema.addAll(inputs.get(0).getValue().getSchema());
+        schema.addAll(variables);
+    }
+
+    @Override
     public VariablePropagationPolicy getVariablePropagationPolicy() {
+
+        if (isProjectPushed()) {
+            return new FilteredVariablePropagationPolicy(getProjectVariables());
+        }
         return new VariablePropagationPolicy() {
 
             @Override
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
index c0f71fe..c5310b7 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
@@ -18,8 +18,6 @@
  */
 package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
-import java.util.ArrayList;
-import java.util.Collection;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
@@ -37,10 +35,6 @@
 import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class DataSourceScanOperator extends AbstractDataSourceOperator {
-    private final List<LogicalVariable> projectVars;
-
-    private boolean projectPushed = false;
-
     private List<Mutable<ILogicalExpression>> additionalFilteringExpressions;
     private List<LogicalVariable> minFilterVars;
     private List<LogicalVariable> maxFilterVars;
@@ -61,7 +55,6 @@
             Mutable<ILogicalExpression> selectCondition, long outputLimit,
             IProjectionFiltrationInfo projectionFiltrationInfo) {
         super(variables, dataSource);
-        projectVars = new ArrayList<>();
         this.selectCondition = selectCondition;
         this.outputLimit = outputLimit;
         setProjectionFiltrationInfo(projectionFiltrationInfo);
@@ -93,19 +86,6 @@
         return false;
     }
 
-    public void addProjectVariables(Collection<LogicalVariable> vars) {
-        projectVars.addAll(vars);
-        projectPushed = true;
-    }
-
-    public List<LogicalVariable> getProjectVariables() {
-        return projectVars;
-    }
-
-    public boolean isProjectPushed() {
-        return projectPushed;
-    }
-
     @Override
     public VariablePropagationPolicy getVariablePropagationPolicy() {
         return new VariablePropagationPolicy() {
@@ -115,7 +95,7 @@
                 if (sources.length > 0) {
                     target.addAllVariables(sources[0]);
                 }
-                List<LogicalVariable> outputVariables = projectPushed ? projectVars : variables;
+                List<LogicalVariable> outputVariables = isProjectPushed() ? getProjectVariables() : variables;
                 for (LogicalVariable v : outputVariables) {
                     target.addVariable(v);
                 }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractUnnestPOperator.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractUnnestPOperator.java
index 45360d4..199650c 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractUnnestPOperator.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractUnnestPOperator.java
@@ -24,6 +24,7 @@
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
 import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
 import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
@@ -64,7 +65,6 @@
             IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema)
             throws AlgebricksException {
         AbstractUnnestNonMapOperator unnest = (AbstractUnnestNonMapOperator) op;
-        int outCol = opSchema.findVariable(unnest.getVariable());
         ILogicalExpression unnestExpr = unnest.getExpressionRef().getValue();
         IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
         boolean exit = false;
@@ -83,14 +83,40 @@
         UnnestingFunctionCallExpression agg = (UnnestingFunctionCallExpression) unnestExpr;
         IUnnestingEvaluatorFactory unnestingFactory = expressionRuntimeProvider.createUnnestingFunctionFactory(agg,
                 context.getTypeEnvironment(op.getInputs().get(0).getValue()), inputSchemas, context);
-        int[] projectionList = JobGenHelper.projectAllVariables(opSchema);
         IUnnestingPositionWriterFactory positionWriterFactory =
                 unnest.hasPositionalVariable() ? context.getUnnestingPositionWriterFactory() : null;
         IMissingWriterFactory missingWriterFactory = leftOuter
                 ? JobGenHelper.getMissingWriterFactory(context, ((LeftOuterUnnestOperator) op).getMissingValue())
                 : null;
-        UnnestRuntimeFactory unnestRuntime = new UnnestRuntimeFactory(outCol, unnestingFactory, projectionList,
-                positionWriterFactory, leftOuter, missingWriterFactory);
+
+        int outCol;
+        int positionalCol;
+        int[] projectionList;
+
+        if (unnest.isProjectPushed()) {
+            outCol = -1;
+            positionalCol = -1;
+            projectionList = new int[unnest.getProjectVariables().size()];
+            int c = 0;
+            for (LogicalVariable projectVar : unnest.getProjectVariables()) {
+                if (projectVar.equals(unnest.getVariable())) {
+                    outCol = inputSchemas[0].getSize();
+                    projectionList[c++] = inputSchemas[0].getSize();
+                } else if (unnest.hasPositionalVariable() && projectVar.equals(unnest.getPositionalVariable())) {
+                    positionalCol = inputSchemas[0].getSize() + 1;
+                    projectionList[c++] = inputSchemas[0].getSize() + 1;
+                } else {
+                    projectionList[c++] = inputSchemas[0].findVariable(projectVar);
+                }
+            }
+        } else {
+            outCol = opSchema.findVariable(unnest.getVariable());
+            positionalCol = unnest.hasPositionalVariable() ? opSchema.findVariable(unnest.getPositionalVariable()) : -1;
+            projectionList = JobGenHelper.projectAllVariables(opSchema);
+        }
+
+        UnnestRuntimeFactory unnestRuntime = new UnnestRuntimeFactory(outCol, positionalCol, unnestingFactory,
+                projectionList, positionWriterFactory, leftOuter, missingWriterFactory);
         unnestRuntime.setSourceLocation(unnest.getSourceLocation());
         RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
         builder.contributeMicroOperator(unnest, unnestRuntime, recDesc);
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
index 5910183..946a6be 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
@@ -357,6 +357,9 @@
             buffer.append(" at " + op.getPositionalVariable());
         }
         buffer.append(" <- " + op.getExpressionRef().getValue().accept(exprVisitor, indent));
+        if (op.isProjectPushed()) {
+            buffer.append(" project: ").append(str(op.getProjectVariables()));
+        }
         return null;
     }
 
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
index fb2f427..b7bfc63 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
@@ -99,6 +99,7 @@
     private static final DefaultIndenter OBJECT_INDENT = new DefaultIndenter("   ", DefaultIndenter.SYS_LF);
     private static final String OPERATOR_FIELD = "operator";
     private static final String VARIABLES_FIELD = "variables";
+    private static final String PROJECT_VARIABLES_FIELD = "project-variables";
     // printing using the "expressions" field has to be an array of strings of the form ["str1", "str2", ...]
     private static final String EXPRESSIONS_FIELD = "expressions";
     private static final String EXPRESSION_FIELD = "expression";
@@ -634,7 +635,7 @@
             jsonGenerator.writeStringField(OPERATOR_FIELD, "assign");
             writeVariablesAndExpressions(op.getVariables(), op.getExpressions(), indent);
             if (op.isProjectPushed()) {
-                writeArrayFieldOfVariables("project-variables", op.getProjectVariables());
+                writeArrayFieldOfVariables(PROJECT_VARIABLES_FIELD, op.getProjectVariables());
             }
             return null;
         } catch (IOException e) {
@@ -1093,6 +1094,9 @@
                 jsonGenerator.writeStringField("position", String.valueOf(positionalVariable));
             }
             writeArrayFieldOfExpression(EXPRESSIONS_FIELD, op.getExpressionRef(), indent);
+            if (op.isProjectPushed()) {
+                writeArrayFieldOfVariables(PROJECT_VARIABLES_FIELD, op.getProjectVariables());
+            }
         } catch (IOException e) {
             throw AlgebricksException.create(ErrorCode.ERROR_PRINTING_PLAN, e, String.valueOf(e));
         }
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/LogicalOperatorDotVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/LogicalOperatorDotVisitor.java
index 8cf2d44..8000483 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/LogicalOperatorDotVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/LogicalOperatorDotVisitor.java
@@ -347,6 +347,9 @@
             stringBuilder.append(" at ").append(op.getPositionalVariable());
         }
         stringBuilder.append(" <- ").append(op.getExpressionRef().getValue().toString());
+        if (op.isProjectPushed()) {
+            stringBuilder.append(" project: ").append(str(op.getProjectVariables()));
+        }
         appendSchema(op, showDetails);
         appendAnnotations(op, showDetails);
         appendPhysicalOperatorInfo(op, showDetails);
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EmbedProjectRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EmbedProjectRule.java
index 2d6c425..23df409 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EmbedProjectRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EmbedProjectRule.java
@@ -46,7 +46,8 @@
         Mutable<ILogicalOperator> opRef2 = op.getInputs().get(0);
         AbstractLogicalOperator op2 = (AbstractLogicalOperator) opRef2.getValue();
 
-        if (op2.getOperatorTag() != LogicalOperatorTag.ASSIGN) {
+        if (op2.getOperatorTag() != LogicalOperatorTag.ASSIGN && op2.getOperatorTag() != LogicalOperatorTag.UNNEST
+                && op2.getOperatorTag() != LogicalOperatorTag.LEFT_OUTER_UNNEST) {
             return false;
         }
 
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
index fedc420..46d187c 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
@@ -53,7 +53,7 @@
             return false;
         DataSourceScanOperator scanOp = (DataSourceScanOperator) inputOp;
         ProjectOperator projectOp = (ProjectOperator) project;
-        scanOp.addProjectVariables(projectOp.getVariables());
+        scanOp.pushProjectionVariables(projectOp.getVariables());
         if (op.getOperatorTag() != LogicalOperatorTag.EXCHANGE) {
             op.getInputs().set(0, project.getInputs().get(0));
         } else {
diff --git a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
index 1b42bb6..c92cab1 100644
--- a/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
+++ b/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
@@ -21,6 +21,7 @@
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.nio.ByteBuffer;
+import java.util.Arrays;
 
 import org.apache.hyracks.algebricks.data.IUnnestingPositionWriter;
 import org.apache.hyracks.algebricks.data.IUnnestingPositionWriterFactory;
@@ -41,34 +42,35 @@
 
 public class UnnestRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
+    /**
+     * @param projection[i] is the input field index of the i-th field in the output tuple
+     * @param projection[i] should be @param outCol if i-th field is the unnest field
+     * @param projection[i] should be @param positionalCol if i-th field is the positional field
+     * @param outCol,positionalCol can be -1 if the output tuple does not contain the unnest/positional field
+     * @param outCol,positionalCol should not be in the input field index range to avoid ambiguity
+     */
+
     private static final long serialVersionUID = 1L;
 
     private final int outCol;
+    private final int positionalCol;
     private final IUnnestingEvaluatorFactory unnestingFactory;
-    private final boolean unnestColIsProjected;
     private final IUnnestingPositionWriterFactory positionWriterFactory;
     private final boolean leftOuter;
     private final IMissingWriterFactory missingWriterFactory;
-    private int outColPos;
 
     public UnnestRuntimeFactory(int outCol, IUnnestingEvaluatorFactory unnestingFactory, int[] projectionList,
             boolean leftOuter, IMissingWriterFactory missingWriterFactory) {
-        this(outCol, unnestingFactory, projectionList, null, leftOuter, missingWriterFactory);
+        this(outCol, -1, unnestingFactory, projectionList, null, leftOuter, missingWriterFactory);
     }
 
-    public UnnestRuntimeFactory(int outCol, IUnnestingEvaluatorFactory unnestingFactory, int[] projectionList,
-            IUnnestingPositionWriterFactory positionWriterFactory, boolean leftOuter,
+    public UnnestRuntimeFactory(int outCol, int positionalCol, IUnnestingEvaluatorFactory unnestingFactory,
+            int[] projectionList, IUnnestingPositionWriterFactory positionWriterFactory, boolean leftOuter,
             IMissingWriterFactory missingWriterFactory) {
         super(projectionList);
         this.outCol = outCol;
+        this.positionalCol = positionalCol;
         this.unnestingFactory = unnestingFactory;
-        outColPos = -1;
-        for (int f = 0; f < projectionList.length; f++) {
-            if (projectionList[f] == outCol) {
-                outColPos = f;
-            }
-        }
-        unnestColIsProjected = outColPos >= 0;
         this.positionWriterFactory = positionWriterFactory;
         this.leftOuter = leftOuter;
         this.missingWriterFactory = missingWriterFactory;
@@ -76,7 +78,8 @@
 
     @Override
     public String toString() {
-        return "unnest " + outCol + " <- " + unnestingFactory;
+        return "unnest " + outCol + (positionalCol >= 0 ? " at " + positionalCol : "") + " <- " + unnestingFactory
+                + " project: " + Arrays.toString(projectionList);
     }
 
     @Override
@@ -134,34 +137,24 @@
 
             private void writeOutput(int t, int positionIndex, boolean missing)
                     throws HyracksDataException, IOException {
-                if (!unnestColIsProjected && positionWriter == null) {
-                    appendProjectionToFrame(t, projectionList);
-                    appendToFrameFromTupleBuilder(tupleBuilder);
-                    return;
-                }
-
                 tupleBuilder.reset();
-                for (int f = 0; f < outColPos; f++) {
-                    tupleBuilder.addField(tAccess, t, f);
-                }
-                if (unnestColIsProjected) {
-                    if (missing) {
-                        tupleBuilder.addField(missingBytes.getByteArray(), 0, missingBytes.size());
+                for (int f = 0; f < projectionList.length; f++) {
+                    int col = projectionList[f];
+                    if (col == outCol) {
+                        if (missing) {
+                            tupleBuilder.addField(missingBytes.getByteArray(), 0, missingBytes.size());
+                        } else {
+                            tupleBuilder.addField(p.getByteArray(), p.getStartOffset(), p.getLength());
+                        }
+                    } else if (col == positionalCol) {
+                        if (missing) {
+                            tupleBuilder.addField(missingBytes.getByteArray(), 0, missingBytes.size());
+                        } else {
+                            positionWriter.write(tupleBuilder.getDataOutput(), positionIndex);
+                            tupleBuilder.addFieldEndOffset();
+                        }
                     } else {
-                        tupleBuilder.addField(p.getByteArray(), p.getStartOffset(), p.getLength());
-                    }
-                }
-                for (int f = unnestColIsProjected ? outColPos + 1 : outColPos; f < (positionWriter != null
-                        ? projectionList.length - 1 : projectionList.length); f++) {
-                    tupleBuilder.addField(tAccess, t, f);
-                }
-                if (positionWriter != null) {
-                    // Write the positional variable
-                    if (missing) {
-                        tupleBuilder.addField(missingBytes.getByteArray(), 0, missingBytes.size());
-                    } else {
-                        positionWriter.write(tupleBuilder.getDataOutput(), positionIndex);
-                        tupleBuilder.addFieldEndOffset();
+                        tupleBuilder.addField(tAccess, t, projectionList[f]);
                     }
                 }
                 appendToFrameFromTupleBuilder(tupleBuilder);