diff --git a/asterix-app/src/test/resources/optimizerts/queries/nested_loj2.aql b/asterix-app/src/test/resources/optimizerts/queries/nested_loj2.aql
index 43c2722..f7504ad 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/nested_loj2.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/nested_loj2.aql
@@ -88,4 +88,4 @@
 return {
   "cust": $c,
   "orders": $orders
-}  
+}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/nested_loj3.aql b/asterix-app/src/test/resources/optimizerts/queries/nested_loj3.aql
index b9494a0..2deac67 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/nested_loj3.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/nested_loj3.aql
@@ -107,4 +107,4 @@
 return {
   "cust": $c,
   "orders": $orders
-}  
+}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/nested_loj4.aql b/asterix-app/src/test/resources/optimizerts/queries/nested_loj4.aql
new file mode 100644
index 0000000..7b6c014
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/nested_loj4.aql
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse tpch if exists;
+create dataverse tpch;
+use dataverse tpch;
+
+create type LineItemType as closed {
+  l_orderkey: int32,
+  l_partkey: int32,
+  l_suppkey: int32,
+  l_linenumber: int32,
+  l_quantity: double,
+  l_extendedprice: double,
+  l_discount: double,
+  l_tax: double,
+  l_returnflag: string,
+  l_linestatus: string,
+  l_shipdate: string,
+  l_commitdate: string,
+  l_receiptdate: string,
+  l_shipinstruct: string,
+  l_shipmode: string,
+  l_comment: string
+}
+
+create type OrderType as closed {
+  o_orderkey: int32,
+  o_custkey: int32,
+  o_orderstatus: string,
+  o_totalprice: double,
+  o_orderdate: string,
+  o_orderpriority: string,
+  o_clerk: string,
+  o_shippriority: int32,
+  o_comment: string
+}
+
+create type CustomerType as closed {
+  c_custkey: int32,
+  c_name: string,
+  c_address: string,
+  c_nationkey: int32,
+  c_phone: string,
+  c_acctbal: double,
+  c_mktsegment: string,
+  c_comment: string
+}
+
+create dataset Orders(OrderType)
+  primary key o_orderkey;
+create dataset Customers(CustomerType)
+  primary key c_custkey;
+
+for $c in dataset('Customers')
+let $orders :=
+  for $o in dataset('Orders')
+  where $c.c_nationkey = 5 and $o.o_$o.o_custkey = $c.c_custkey
+  return $o
+return {
+  "cust": $c,
+  "orders": $orders
+}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1005.aql b/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1005.aql
new file mode 100644
index 0000000..98cd634
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1005.aql
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+ * Description     : This test case is to verify the fix for ASTERIXDB-1005
+ * https://issues.apache.org/jira/browse/ASTERIXDB-1005
+ * Expected Result : Success
+ * Date            : 10th January 2016
+ */
+
+drop dataverse deliber if exists;
+create dataverse deliber;
+use dataverse deliber;
+
+// Dish served by a restaurant
+create type DishesType as open
+{ name: string, price: double }
+
+// Bank account type
+create type BankAccountType as open{
+ bank_account_number: string,
+ bank_account_routing_number: string
+}
+
+// Restaurant's information
+create type RestaurantsType as open {
+restr_id: int64,
+name: string,
+address: string,
+bank_account: BankAccountType,
+last_bank_transaction_datetime: datetime,
+cuisine: {{ string }},
+dish: {{ DishesType }}
+}
+
+// Creating datasets for Users, Restaurants, and Orders
+create dataset Restaurants(RestaurantsType)
+primary key restr_id;
+
+for $r in dataset Restaurants
+where some $c in $r.cuisine satisfies $c = "Mexican" or $c = "Italian"
+order by $r.name
+return
+{"name":$r.name, "cuisines":$r.cuisine}
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1263.aql b/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1263.aql
new file mode 100644
index 0000000..c3cb9bf
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/query-ASTERIXDB-1263.aql
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse TinySocial if exists;
+create dataverse TinySocial;
+use dataverse TinySocial;
+
+create type TwitterUserType as open {
+        screen-name: string,
+        lang: string,
+        friends_count: int64,
+        statuses_count: int64,
+        name: string,
+        followers_count: int64
+}
+
+create type TweetMessageType as closed {
+        tweetid: string,
+        user: TwitterUserType,
+        sender-location: point?,
+        send-time: datetime,
+        referred-topics: {{ string }},
+        message-text: string
+}
+
+create dataset TweetMessages(TweetMessageType)
+primary key tweetid;
+
+for $t in dataset TweetMessages
+group by $d:= get-hour($t.send-time) with $t
+return { "hour": $d,
+         "count": count($t),
+         "finer":  for $k in $t
+                   group by $min:= get-minute($k.create_at) with $k
+                   order by $min
+                   return {  "minute": $min, "sum": count($k)}
+}
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
index 2baebd4..b96830c 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$28(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$28(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$24(ASC), $$21(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$29(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$20]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$20(ASC), $$21(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$20]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$34(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
index 84619bc..07fde95 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$33(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$33(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$29]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$29(ASC), $$25(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$29]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$34(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$24(ASC), $$25(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/fj-phase1.plan b/asterix-app/src/test/resources/optimizerts/results/fj-phase1.plan
index c5511fd..64c0b06 100644
--- a/asterix-app/src/test/resources/optimizerts/results/fj-phase1.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/fj-phase1.plan
@@ -2,34 +2,34 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$23]  |PARTITIONED|
-                    {
-                      -- AGGREGATE  |LOCAL|
-                        -- STREAM_SELECT  |LOCAL|
-                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                    }
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$23(ASC), $$4(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$1][$$4]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$1]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- UNNEST  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$4]  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$21]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$21(ASC), $$4(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$21]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$1][$$4]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$1]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- UNNEST  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$4]  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
                             -- RUNNING_AGGREGATE  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
-                                -- SORT_MERGE_EXCHANGE [$$24(DESC) ]  |PARTITIONED|
-                                  -- STABLE_SORT [$$24(DESC)]  |PARTITIONED|
+                                -- SORT_MERGE_EXCHANGE [$$23(DESC) ]  |PARTITIONED|
+                                  -- STABLE_SORT [$$23(DESC)]  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                       -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
                                               {
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/issue741.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/issue741.plan
index 55a81d2..5b08bf5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/issue741.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/issue741.plan
@@ -2,45 +2,44 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$29]  |PARTITIONED|
-                    {
-                      -- AGGREGATE  |LOCAL|
-                        -- STREAM_SELECT  |LOCAL|
-                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                    }
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$29(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$29]  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$37][$$29]  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- STREAM_SELECT  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$29]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- STREAM_SELECT  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$25]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$25(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$25]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$36][$$25]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- STREAM_SELECT  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
+                                    -- DATASOURCE_SCAN  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STABLE_SORT [$$40(ASC)]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- STREAM_SELECT  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$25]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- STREAM_SELECT  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- BTREE_SEARCH  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
index bd49b19..e7eff62 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
@@ -2,82 +2,79 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$36(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$32(ASC), $$28(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$45][$$32]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$27(ASC), $$28(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$43][$$27]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- SPLIT  |PARTITIONED|
+                                -- SPLIT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                          -- UNION_ALL  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- STREAM_SELECT  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- BTREE_SEARCH  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                                -- UNION_ALL  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_SELECT  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- BTREE_SEARCH  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- SPLIT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- SPLIT  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- NESTED_LOOP  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
+                                              -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_SELECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- SPLIT  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
+                                                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_SELECT  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- SPLIT  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- SPLIT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- NESTED_LOOP  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_SELECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- SPLIT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- SPLIT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
index 89d6924..bdc564e 100644
--- a/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
@@ -2,50 +2,47 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$36(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$32(ASC), $$28(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$45][$$32]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$27(ASC), $$28(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$43][$$27]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- SPLIT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
                                 -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- SPLIT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                                -- STREAM_SELECT  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$49(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- SPLIT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- BTREE_SEARCH  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
-                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STABLE_SORT [$$47(ASC)]  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- SPLIT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- BTREE_SEARCH  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/loj-super-key_01.plan b/asterix-app/src/test/resources/optimizerts/results/loj-super-key_01.plan
index dfcda62..d79e1f2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/loj-super-key_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/loj-super-key_01.plan
@@ -4,19 +4,19 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$22, $$23]  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$17, $$18]  |PARTITIONED|
                     {
                       -- AGGREGATE  |LOCAL|
                         -- STREAM_SELECT  |LOCAL|
                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                     }
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$22(ASC), $$23(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$22, $$23]  |PARTITIONED|
+                -- STABLE_SORT [$$17(ASC), $$18(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$17, $$18]  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$24, $$22, $$28][$$25, $$19, $$20]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$22, $$28]  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$21, $$17, $$25][$$22, $$19, $$20]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$17, $$25]  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/loj-super-key_02.plan b/asterix-app/src/test/resources/optimizerts/results/loj-super-key_02.plan
index 78159b2..c1cd283 100644
--- a/asterix-app/src/test/resources/optimizerts/results/loj-super-key_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/loj-super-key_02.plan
@@ -4,25 +4,25 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$22, $$23]  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$17, $$18]  |PARTITIONED|
                     {
                       -- AGGREGATE  |LOCAL|
                         -- STREAM_SELECT  |LOCAL|
                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                     }
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$22(ASC), $$23(ASC)]  |PARTITIONED|
+                -- STABLE_SORT [$$17(ASC), $$18(ASC)]  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$25, $$22, $$23][$$24, $$19, $$28]  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$22, $$17, $$18][$$21, $$19, $$25]  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- DATASOURCE_SCAN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$19, $$28]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$19, $$25]  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nest_aggregate.plan b/asterix-app/src/test/resources/optimizerts/results/nest_aggregate.plan
index f3c1040..41b07d9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nest_aggregate.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nest_aggregate.plan
@@ -2,67 +2,66 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- PRE_CLUSTERED_GROUP_BY[$$49]  |PARTITIONED|
-                  {
-                    -- AGGREGATE  |LOCAL|
-                      -- STREAM_LIMIT  |LOCAL|
-                        -- IN_MEMORY_STABLE_SORT [$$43(ASC)]  |LOCAL|
-                          -- MICRO_PRE_CLUSTERED_GROUP_BY[$$50]  |LOCAL|
-                                  {
-                                    -- AGGREGATE  |LOCAL|
-                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                  }
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                  }
-            -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$49(ASC), $$50(ASC)] HASH:[$$49]  |PARTITIONED|
-              -- PRE_CLUSTERED_GROUP_BY[$$39, $$32]  |PARTITIONED|
-                      {
-                        -- AGGREGATE  |LOCAL|
-                          -- STREAM_SELECT  |LOCAL|
-                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                      }
-                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STABLE_SORT [$$39(ASC), $$32(ASC)]  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- HYBRID_HASH_JOIN [$$39][$$41]  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- HYBRID_HASH_JOIN [$$39][$$35]  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$49, $$50]  |PARTITIONED|
+                    {
+                      -- AGGREGATE  |LOCAL|
+                        -- STREAM_LIMIT  |LOCAL|
+                          -- IN_MEMORY_STABLE_SORT [$$41(ASC)]  |LOCAL|
+                            -- MICRO_PRE_CLUSTERED_GROUP_BY[$$51]  |LOCAL|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
+                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- IN_MEMORY_STABLE_SORT [$$51(ASC)]  |LOCAL|
+                                -- STREAM_SELECT  |LOCAL|
+                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                    }
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [$$49(ASC), $$50(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$49, $$50]  |PARTITIONED|
+                    -- SORT_GROUP_BY[$$34, $$35, $$32, $$45]  |PARTITIONED|
+                            {
+                              -- AGGREGATE  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                            }
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$34][$$39]  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$34][$$35]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- DATASOURCE_SCAN  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                               -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                            -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- HYBRID_HASH_JOIN [$$44][$$37]  |PARTITIONED|
-                                      -- HASH_PARTITION_EXCHANGE [$$44]  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- HYBRID_HASH_JOIN [$$42][$$37]  |PARTITIONED|
+                                        -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- DATASOURCE_SCAN  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
index 9fc1275..e108f8b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$41(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$35]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$35(ASC), $$38(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$35]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$52(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$39(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$30(ASC), $$36(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
index 1b3bdd8..2a4e565 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$50(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$42]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$42(ASC), $$47(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$36]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$36(ASC), $$45(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$36]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
index f2122aa..5d46f46 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
@@ -2,94 +2,93 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$53(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$45]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$45(ASC), $$50(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- HYBRID_HASH_JOIN [$$64][$$45]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- SPLIT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- BTREE_SEARCH  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                                    -- UNION_ALL  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- STREAM_SELECT  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- STABLE_SORT [$$76(ASC)]  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- SPLIT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- SPLIT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- BTREE_SEARCH  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$51(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$39]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$39(ASC), $$48(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$62][$$39]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- NESTED_LOOP  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- SPLIT  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
+                                                -- BTREE_SEARCH  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- SPLIT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- SPLIT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                                  -- UNION_ALL  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- STABLE_SORT [$$74(ASC)]  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                                      -- SPLIT  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- ASSIGN  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- SPLIT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- NESTED_LOOP  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- SPLIT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- SPLIT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
index 411a70b..c5bc9eb 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.plan
@@ -2,59 +2,58 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$53(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$45]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$45(ASC), $$50(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- HYBRID_HASH_JOIN [$$64][$$45]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- SPLIT  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$51(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$39]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$39(ASC), $$48(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$62][$$39]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- SPLIT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- BTREE_SEARCH  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- BTREE_SEARCH  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_SELECT  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STABLE_SORT [$$70(ASC)]  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- SPLIT  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                      -- STABLE_SORT [$$68(ASC)]  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- SPLIT  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- BTREE_SEARCH  |PARTITIONED|
+                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
index d3596ca..abb7519 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
@@ -2,20 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$41(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$39(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$34]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- STREAM_SELECT  |LOCAL|
                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$34(ASC), $$38(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+                      -- STABLE_SORT [$$30(ASC), $$36(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- STREAM_SELECT  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -25,7 +25,7 @@
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- BTREE_SEARCH  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                                            -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -41,4 +41,4 @@
                                                                       -- BTREE_SEARCH  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                           -- ASSIGN  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
index 972233e..08bd165 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
@@ -2,20 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$50(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$40(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$40(ASC)]  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$41]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$37]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- STREAM_SELECT  |LOCAL|
                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$41(ASC), $$47(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
+                      -- STABLE_SORT [$$37(ASC), $$45(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- STREAM_SELECT  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -26,7 +26,7 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- BTREE_SEARCH  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$69(ASC)]  |PARTITIONED|
+                                              -- STABLE_SORT [$$66(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -42,4 +42,4 @@
                                                                         -- BTREE_SEARCH  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                             -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
index 9fc1275..e108f8b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$41(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$35]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$35(ASC), $$38(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$35]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$52(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$39(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$30(ASC), $$36(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
index 9fc1275..e108f8b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$41(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$35]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$35(ASC), $$38(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$35]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$52(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$39(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$30(ASC), $$36(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
index 1b3bdd8..2a4e565 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$50(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$42]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$42(ASC), $$47(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$36]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$36(ASC), $$45(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$36]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
index 1b3bdd8..2a4e565 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
@@ -2,42 +2,41 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$50(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$42]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$42(ASC), $$47(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
-                            -- STREAM_SELECT  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- BTREE_SEARCH  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$60(ASC)]  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
-                                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ASSIGN  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- BTREE_SEARCH  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- ASSIGN  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$48(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$36]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$36(ASC), $$45(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$36]  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ASSIGN  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
index f2122aa..5d46f46 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
@@ -2,94 +2,93 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$53(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$45]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$45(ASC), $$50(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- HYBRID_HASH_JOIN [$$64][$$45]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- SPLIT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- BTREE_SEARCH  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                                    -- UNION_ALL  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- STREAM_SELECT  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- STABLE_SORT [$$76(ASC)]  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- SPLIT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- SPLIT  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- BTREE_SEARCH  |PARTITIONED|
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$51(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$39]  |PARTITIONED|
+                          {
+                            -- AGGREGATE  |LOCAL|
+                              -- STREAM_SELECT  |LOCAL|
+                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                          }
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- STABLE_SORT [$$39(ASC), $$48(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$62][$$39]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- NESTED_LOOP  |PARTITIONED|
-                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- SPLIT  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
+                                                -- BTREE_SEARCH  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- SPLIT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- SPLIT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$39]  |PARTITIONED|
+                                  -- UNION_ALL  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- STREAM_SELECT  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- STABLE_SORT [$$74(ASC)]  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                  -- STREAM_SELECT  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                                      -- SPLIT  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- ASSIGN  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                    -- SPLIT  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- ASSIGN  |PARTITIONED|
+                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- NESTED_LOOP  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- SPLIT  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ASSIGN  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- SPLIT  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- BTREE_SEARCH  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
index d3596ca..abb7519 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
@@ -2,20 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$41(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$39(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$34]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- STREAM_SELECT  |LOCAL|
                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$34(ASC), $$38(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+                      -- STABLE_SORT [$$30(ASC), $$36(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- STREAM_SELECT  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -25,7 +25,7 @@
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- BTREE_SEARCH  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STABLE_SORT [$$59(ASC)]  |PARTITIONED|
+                                            -- STABLE_SORT [$$56(ASC)]  |PARTITIONED|
                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -41,4 +41,4 @@
                                                                       -- BTREE_SEARCH  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                           -- ASSIGN  |PARTITIONED|
-                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
index 972233e..08bd165 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
@@ -2,20 +2,20 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- SORT_MERGE_EXCHANGE [$$50(ASC) ]  |PARTITIONED|
-          -- STABLE_SORT [$$50(ASC)]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$40(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$40(ASC)]  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- PRE_CLUSTERED_GROUP_BY[$$41]  |PARTITIONED|
+                  -- PRE_CLUSTERED_GROUP_BY[$$37]  |PARTITIONED|
                           {
                             -- AGGREGATE  |LOCAL|
                               -- STREAM_SELECT  |LOCAL|
                                 -- NESTED_TUPLE_SOURCE  |LOCAL|
                           }
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- STABLE_SORT [$$41(ASC), $$47(ASC)]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
+                      -- STABLE_SORT [$$37(ASC), $$45(ASC)]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
                           -- STREAM_PROJECT  |PARTITIONED|
                             -- STREAM_SELECT  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
@@ -26,7 +26,7 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- BTREE_SEARCH  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STABLE_SORT [$$69(ASC)]  |PARTITIONED|
+                                              -- STABLE_SORT [$$66(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                   -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -42,4 +42,4 @@
                                                                         -- BTREE_SEARCH  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                             -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan b/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan
index 41ae699..08b156e 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan
@@ -4,10 +4,10 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$25]  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$18]  |PARTITIONED|
                     {
                       -- AGGREGATE  |LOCAL|
-                        -- MICRO_PRE_CLUSTERED_GROUP_BY[$$23]  |LOCAL|
+                        -- MICRO_PRE_CLUSTERED_GROUP_BY[$$19]  |LOCAL|
                                 {
                                   -- AGGREGATE  |LOCAL|
                                     -- STREAM_SELECT  |LOCAL|
@@ -17,25 +17,23 @@
                             -- NESTED_TUPLE_SOURCE  |LOCAL|
                     }
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$25(ASC), $$23(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$25]  |PARTITIONED|
+                -- STABLE_SORT [$$18(ASC), $$19(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$18]  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$23][$$20]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$19][$$20]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$19]  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$18][$$22]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- HYBRID_HASH_JOIN [$$25][$$26]  |PARTITIONED|
+                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$22]  |PARTITIONED|
+                                -- ASSIGN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- DATASOURCE_SCAN  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$26]  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                           -- HASH_PARTITION_EXCHANGE [$$20]  |PARTITIONED|
                             -- ASSIGN  |PARTITIONED|
                               -- STREAM_PROJECT  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested_loj3.plan b/asterix-app/src/test/resources/optimizerts/results/nested_loj3.plan
index fbb0422..957a2ee 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested_loj3.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested_loj3.plan
@@ -4,13 +4,13 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$42]  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
                     {
                       -- AGGREGATE  |LOCAL|
-                        -- MICRO_PRE_CLUSTERED_GROUP_BY[$$40]  |LOCAL|
+                        -- MICRO_PRE_CLUSTERED_GROUP_BY[$$31]  |LOCAL|
                                 {
                                   -- AGGREGATE  |LOCAL|
-                                    -- MICRO_PRE_CLUSTERED_GROUP_BY[$$37, $$38]  |LOCAL|
+                                    -- MICRO_PRE_CLUSTERED_GROUP_BY[$$32, $$33]  |LOCAL|
                                             {
                                               -- AGGREGATE  |LOCAL|
                                                 -- STREAM_SELECT  |LOCAL|
@@ -19,33 +19,31 @@
                                       -- STREAM_SELECT  |LOCAL|
                                         -- NESTED_TUPLE_SOURCE  |LOCAL|
                                 }
-                          -- IN_MEMORY_STABLE_SORT [$$40(ASC), $$37(ASC), $$38(ASC)]  |LOCAL|
+                          -- IN_MEMORY_STABLE_SORT [$$31(ASC), $$32(ASC), $$33(ASC)]  |LOCAL|
                             -- STREAM_SELECT  |LOCAL|
                               -- NESTED_TUPLE_SOURCE  |LOCAL|
                     }
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$42(ASC), $$40(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
+                -- STABLE_SORT [$$30(ASC), $$31(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$48, $$50][$$34, $$35]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$48, $$50]  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$40][$$37]  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$40]  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$41, $$43][$$34, $$35]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$41, $$43]  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$31][$$32]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$31]  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$30][$$36]  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- HYBRID_HASH_JOIN [$$42][$$43]  |PARTITIONED|
+                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$36]  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                      -- HASH_PARTITION_EXCHANGE [$$43]  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$37]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
                                 -- ASSIGN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- DATASOURCE_SCAN  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/nested_loj4.plan b/asterix-app/src/test/resources/optimizerts/results/nested_loj4.plan
new file mode 100644
index 0000000..340b115
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/nested_loj4.plan
@@ -0,0 +1,39 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$14]  |PARTITIONED|
+                    {
+                      -- 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 [$$14][$$22]  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- DATASOURCE_SCAN  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- HYBRID_HASH_JOIN [$$22][$$16]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                -- HASH_PARTITION_EXCHANGE [$$16]  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
index e3e7f39..b96830c 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$28(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$28(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$24(ASC), $$21(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$29(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$20]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$20(ASC), $$21(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$20]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$34(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
index e3e7f39..b96830c 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$28(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$28(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$24(ASC), $$21(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$29(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$20]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$20(ASC), $$21(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$20]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$34(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
index 34c8f98..07fde95 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$33(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$33(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$29]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$29(ASC), $$25(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$29]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$34(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$24(ASC), $$25(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
index 34c8f98..07fde95 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.plan
@@ -2,36 +2,33 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$33(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$33(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$29]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$29(ASC), $$25(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$29]  |PARTITIONED|
-                        -- STREAM_SELECT  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- BTREE_SEARCH  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- BTREE_SEARCH  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- ASSIGN  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- SORT_MERGE_EXCHANGE [$$34(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$24(ASC), $$25(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- BTREE_SEARCH  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$39(ASC)]  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- BTREE_SEARCH  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
index 61fabb2..e7eff62 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.plan
@@ -2,82 +2,79 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$36(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$32(ASC), $$28(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$45][$$32]  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$37(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$27(ASC), $$28(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$43][$$27]  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- SPLIT  |PARTITIONED|
+                                -- SPLIT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- BTREE_SEARCH  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                          -- UNION_ALL  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- STREAM_SELECT  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ASSIGN  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- BTREE_SEARCH  |PARTITIONED|
                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                                -- UNION_ALL  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_SELECT  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- BTREE_SEARCH  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STABLE_SORT [$$53(ASC)]  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
-                                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                            -- STREAM_SELECT  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- SPLIT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ASSIGN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- SPLIT  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- NESTED_LOOP  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
+                                              -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
                                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_SELECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- SPLIT  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
+                                                  -- LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH  |PARTITIONED|
+                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                      -- STREAM_SELECT  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- SPLIT  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- SPLIT  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- NESTED_LOOP  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ASSIGN  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_SELECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- SPLIT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- SPLIT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
index d871ebe..98a35ca 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
@@ -2,39 +2,36 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$30(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$27(ASC), $$24(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- RTREE_SEARCH  |PARTITIONED|
-                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$23]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$23(ASC), $$24(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_SELECT  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- RTREE_SEARCH  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
index b162100..3bc6933 100644
--- a/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
@@ -2,39 +2,36 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$35(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$32(ASC), $$28(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- RTREE_SEARCH  |PARTITIONED|
-                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$35(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$27(ASC), $$28(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_SELECT  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$47(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- RTREE_SEARCH  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/push-project-through-group.plan b/asterix-app/src/test/resources/optimizerts/results/push-project-through-group.plan
index 86bcdac..3cc71e0 100644
--- a/asterix-app/src/test/resources/optimizerts/results/push-project-through-group.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/push-project-through-group.plan
@@ -2,32 +2,31 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$15]  |PARTITIONED|
-                    {
-                      -- AGGREGATE  |LOCAL|
-                        -- STREAM_SELECT  |LOCAL|
-                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                    }
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$15(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- HYBRID_HASH_JOIN [$$17][$$16]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$17]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$12]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$12(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$12]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- HYBRID_HASH_JOIN [$$15][$$14]  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                        -- HASH_PARTITION_EXCHANGE [$$14]  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ASSIGN  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
                                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                   -- DATASOURCE_SCAN  |PARTITIONED|
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                       -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$16]  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/q08_group_by.plan b/asterix-app/src/test/resources/optimizerts/results/q08_group_by.plan
index 0b3cd8f..601091e 100644
--- a/asterix-app/src/test/resources/optimizerts/results/q08_group_by.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/q08_group_by.plan
@@ -4,7 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$78][$$107]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$78][$$106]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
@@ -12,11 +12,11 @@
                       -- DATASOURCE_SCAN  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$107]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$106]  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- HYBRID_HASH_JOIN [$$104][$$85]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$104]  |PARTITIONED|
+                    -- HYBRID_HASH_JOIN [$$103][$$85]  |PARTITIONED|
+                      -- HASH_PARTITION_EXCHANGE [$$103]  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- HYBRID_HASH_JOIN [$$79][$$81]  |PARTITIONED|
@@ -31,8 +31,8 @@
                               -- HASH_PARTITION_EXCHANGE [$$81]  |PARTITIONED|
                                 -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- HYBRID_HASH_JOIN [$$93][$$82]  |PARTITIONED|
-                                      -- HASH_PARTITION_EXCHANGE [$$93]  |PARTITIONED|
+                                    -- HYBRID_HASH_JOIN [$$92][$$82]  |PARTITIONED|
+                                      -- HASH_PARTITION_EXCHANGE [$$92]  |PARTITIONED|
                                         -- STREAM_SELECT  |PARTITIONED|
                                           -- STREAM_PROJECT  |PARTITIONED|
                                             -- ASSIGN  |PARTITIONED|
@@ -43,8 +43,8 @@
                                       -- HASH_PARTITION_EXCHANGE [$$82]  |PARTITIONED|
                                         -- STREAM_PROJECT  |PARTITIONED|
                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- HYBRID_HASH_JOIN [$$90][$$83]  |PARTITIONED|
-                                              -- HASH_PARTITION_EXCHANGE [$$90]  |PARTITIONED|
+                                            -- HYBRID_HASH_JOIN [$$89][$$83]  |PARTITIONED|
+                                              -- HASH_PARTITION_EXCHANGE [$$89]  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
@@ -54,8 +54,8 @@
                                               -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
                                                 -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- HYBRID_HASH_JOIN [$$88][$$84]  |PARTITIONED|
-                                                      -- HASH_PARTITION_EXCHANGE [$$88]  |PARTITIONED|
+                                                    -- HYBRID_HASH_JOIN [$$87][$$84]  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$87]  |PARTITIONED|
                                                         -- STREAM_PROJECT  |PARTITIONED|
                                                           -- ASSIGN  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1005.plan b/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1005.plan
new file mode 100644
index 0000000..de339c0
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1005.plan
@@ -0,0 +1,35 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$15(ASC) ]  |PARTITIONED|
+          -- STABLE_SORT [$$15(ASC)]  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STREAM_PROJECT  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_CLUSTERED_GROUP_BY[$$12]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$12(ASC)]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$12]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- HYBRID_HASH_JOIN [$$1][$$13]  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$1]  |PARTITIONED|
+                                      -- UNNEST  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- DATASOURCE_SCAN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- HASH_PARTITION_EXCHANGE [$$13]  |PARTITIONED|
+                                      -- ASSIGN  |UNPARTITIONED|
+                                        -- UNNEST  |UNPARTITIONED|
+                                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1263.plan b/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1263.plan
new file mode 100644
index 0000000..8532218
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/query-ASTERIXDB-1263.plan
@@ -0,0 +1,35 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- MICRO_PRE_CLUSTERED_GROUP_BY[$$19]  |LOCAL|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
+                        -- IN_MEMORY_STABLE_SORT [$$19(ASC)]  |LOCAL|
+                          -- ASSIGN  |LOCAL|
+                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$27(ASC), $$28(ASC)] HASH:[$$27]  |PARTITIONED|
+              -- SORT_GROUP_BY[$$18, $$24]  |PARTITIONED|
+                      {
+                        -- AGGREGATE  |LOCAL|
+                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                      }
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- DATASOURCE_SCAN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/query-issue562.plan b/asterix-app/src/test/resources/optimizerts/results/query-issue562.plan
index 992ce13..5062719 100644
--- a/asterix-app/src/test/resources/optimizerts/results/query-issue562.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/query-issue562.plan
@@ -3,12 +3,12 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
         -- SORT_MERGE_EXCHANGE [$$7(ASC) ]  |PARTITIONED|
-          -- PRE_CLUSTERED_GROUP_BY[$$91]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$89]  |PARTITIONED|
                   {
                     -- AGGREGATE  |LOCAL|
                       -- NESTED_TUPLE_SOURCE  |LOCAL|
                   }
-            -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$91(ASC)] HASH:[$$91]  |PARTITIONED|
+            -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$89(ASC)] HASH:[$$89]  |PARTITIONED|
               -- SORT_GROUP_BY[$$59]  |PARTITIONED|
                       {
                         -- AGGREGATE  |LOCAL|
@@ -16,48 +16,51 @@
                       }
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                   -- STREAM_PROJECT  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
                       -- STREAM_PROJECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_CLUSTERED_GROUP_BY[$$88]  |PARTITIONED|
-                                  {
-                                    -- AGGREGATE  |LOCAL|
-                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                  }
-                            -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$88(ASC)] HASH:[$$88]  |PARTITIONED|
-                              -- PRE_CLUSTERED_GROUP_BY[$$68]  |PARTITIONED|
+                        -- STREAM_SELECT  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- PRE_CLUSTERED_GROUP_BY[$$86]  |PARTITIONED|
                                       {
                                         -- AGGREGATE  |LOCAL|
-                                          -- STREAM_SELECT  |LOCAL|
-                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
                                       }
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- STABLE_SORT [$$68(ASC)]  |PARTITIONED|
+                                -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$86(ASC)] HASH:[$$86]  |PARTITIONED|
+                                  -- PRE_CLUSTERED_GROUP_BY[$$62]  |PARTITIONED|
+                                          {
+                                            -- AGGREGATE  |LOCAL|
+                                              -- STREAM_SELECT  |LOCAL|
+                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                          }
                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
+                                      -- STABLE_SORT [$$62(ASC)]  |PARTITIONED|
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- HYBRID_HASH_JOIN [$$68][$$70]  |PARTITIONED|
-                                            -- HASH_PARTITION_EXCHANGE [$$68]  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- HYBRID_HASH_JOIN [$$67][$$68]  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$67]  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- HYBRID_HASH_JOIN [$$83][$$82]  |PARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$83]  |PARTITIONED|
+                                                                -- UNNEST  |UNPARTITIONED|
+                                                                  -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                                                              -- HASH_PARTITION_EXCHANGE [$$82]  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
+                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$68]  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$86][$$85]  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$86]  |PARTITIONED|
-                                                            -- UNNEST  |UNPARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$85]  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- HASH_PARTITION_EXCHANGE [$$70]  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/query_issue849-2.plan b/asterix-app/src/test/resources/optimizerts/results/query_issue849-2.plan
index df5d477..8908448 100644
--- a/asterix-app/src/test/resources/optimizerts/results/query_issue849-2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/query_issue849-2.plan
@@ -20,14 +20,13 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$15][$$17]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$14][$$16]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- DATASOURCE_SCAN  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$17]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$16]  |PARTITIONED|
                 -- STREAM_PROJECT  |UNPARTITIONED|
                   -- ASSIGN  |UNPARTITIONED|
-                    -- STREAM_SELECT  |UNPARTITIONED|
-                      -- UNNEST  |UNPARTITIONED|
-                        -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
+                    -- UNNEST  |UNPARTITIONED|
+                      -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/query_issue849.plan b/asterix-app/src/test/resources/optimizerts/results/query_issue849.plan
index db12ea3..dd7b473 100644
--- a/asterix-app/src/test/resources/optimizerts/results/query_issue849.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/query_issue849.plan
@@ -20,8 +20,8 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$17][$$14]  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$17]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$15][$$14]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
                 -- ASSIGN  |UNPARTITIONED|
                   -- UNNEST  |UNPARTITIONED|
                     -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/issue730.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/issue730.plan
index 40582f1..44f21ac 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/issue730.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/issue730.plan
@@ -2,36 +2,35 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- PRE_CLUSTERED_GROUP_BY[$$24]  |PARTITIONED|
-                    {
-                      -- AGGREGATE  |LOCAL|
-                        -- STREAM_SELECT  |LOCAL|
-                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                    }
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- STABLE_SORT [$$24(ASC)]  |PARTITIONED|
-                  -- HASH_PARTITION_EXCHANGE [$$24]  |PARTITIONED|
-                    -- STREAM_PROJECT  |PARTITIONED|
-                      -- STREAM_SELECT  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- BTREE_SEARCH  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$37(ASC)]  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- RTREE_SEARCH  |PARTITIONED|
-                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- STREAM_SELECT  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$21]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$21(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$21]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_SELECT  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- BTREE_SEARCH  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- STABLE_SORT [$$36(ASC)]  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STREAM_PROJECT  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- RTREE_SEARCH  |PARTITIONED|
+                                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- STREAM_SELECT  |PARTITIONED|
+                                                    -- ASSIGN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
index 3cb87ff..98a35ca 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.plan
@@ -2,39 +2,36 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$30(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$27(ASC), $$24(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STABLE_SORT [$$43(ASC)]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- RTREE_SEARCH  |PARTITIONED|
-                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$23]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$23(ASC), $$24(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_SELECT  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$42(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- RTREE_SEARCH  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
index d62a691..3bc6933 100644
--- a/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.plan
@@ -2,39 +2,36 @@
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- SORT_MERGE_EXCHANGE [$$35(ASC) ]  |PARTITIONED|
-            -- STABLE_SORT [$$35(ASC)]  |PARTITIONED|
-              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- PRE_CLUSTERED_GROUP_BY[$$32]  |PARTITIONED|
-                        {
-                          -- AGGREGATE  |LOCAL|
-                            -- STREAM_SELECT  |LOCAL|
-                              -- NESTED_TUPLE_SOURCE  |LOCAL|
-                        }
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- STABLE_SORT [$$32(ASC), $$28(ASC)]  |PARTITIONED|
-                      -- HASH_PARTITION_EXCHANGE [$$32]  |PARTITIONED|
-                        -- STREAM_PROJECT  |PARTITIONED|
-                          -- STREAM_SELECT  |PARTITIONED|
-                            -- STREAM_PROJECT  |PARTITIONED|
-                              -- ASSIGN  |PARTITIONED|
-                                -- STREAM_PROJECT  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- BTREE_SEARCH  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- RTREE_SEARCH  |PARTITIONED|
-                                                  -- BROADCAST_EXCHANGE  |PARTITIONED|
+        -- SORT_MERGE_EXCHANGE [$$35(ASC) ]  |PARTITIONED|
+          -- PRE_CLUSTERED_GROUP_BY[$$27]  |PARTITIONED|
+                  {
+                    -- AGGREGATE  |LOCAL|
+                      -- STREAM_SELECT  |LOCAL|
+                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                  }
+            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+              -- STABLE_SORT [$$27(ASC), $$28(ASC)]  |PARTITIONED|
+                -- HASH_PARTITION_EXCHANGE [$$27]  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_SELECT  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
+                        -- ASSIGN  |PARTITIONED|
+                          -- STREAM_PROJECT  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- STABLE_SORT [$$47(ASC)]  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- RTREE_SEARCH  |PARTITIONED|
+                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- STREAM_PROJECT  |PARTITIONED|
                                                     -- ASSIGN  |PARTITIONED|
-                                                      -- ASSIGN  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                          -- ASSIGN  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- BTREE_SEARCH  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- BTREE_SEARCH  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- ASSIGN  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan b/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan
index be634f3..19eaf25 100644
--- a/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/split-materialization-above-join.plan
@@ -25,135 +25,134 @@
                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                       -- HASH_PARTITION_EXCHANGE [$$26]  |PARTITIONED|
-                        -- PRE_CLUSTERED_GROUP_BY[$$91, $$92]  |PARTITIONED|
+                        -- PRE_CLUSTERED_GROUP_BY[$$122, $$124]  |PARTITIONED|
                                 {
                                   -- AGGREGATE  |LOCAL|
                                     -- NESTED_TUPLE_SOURCE  |LOCAL|
                                 }
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- STABLE_SORT [$$91(ASC), $$92(ASC)]  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$91, $$92]  |PARTITIONED|
-                                -- STREAM_SELECT  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_SELECT  |PARTITIONED|
-                                        -- STREAM_PROJECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- HYBRID_HASH_JOIN [$$12][$$23]  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                  -- ASSIGN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- SPLIT  |PARTITIONED|
-                                                        -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- UNNEST  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- PRE_CLUSTERED_GROUP_BY[$$105]  |PARTITIONED|
-                                                                          {
-                                                                            -- AGGREGATE  |LOCAL|
-                                                                              -- STREAM_SELECT  |LOCAL|
-                                                                                -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                          }
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- STABLE_SORT [$$105(ASC), $$21(ASC)]  |PARTITIONED|
-                                                                        -- HASH_PARTITION_EXCHANGE [$$105]  |PARTITIONED|
-                                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                              -- HYBRID_HASH_JOIN [$$15][$$18]  |PARTITIONED|
-                                                                                -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
-                                                                                  -- UNNEST  |PARTITIONED|
-                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                                                        -- ASSIGN  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                                -- HASH_PARTITION_EXCHANGE [$$18]  |PARTITIONED|
-                                                                                  -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                      -- SORT_MERGE_EXCHANGE [$$107(ASC), $$18(ASC) ]  |PARTITIONED|
-                                                                                        -- STABLE_SORT [$$107(ASC), $$18(ASC)]  |PARTITIONED|
-                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                            -- PRE_CLUSTERED_GROUP_BY[$$135]  |PARTITIONED|
-                                                                                                    {
-                                                                                                      -- AGGREGATE  |LOCAL|
-                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                    }
-                                                                                              -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$135(ASC)] HASH:[$$135]  |PARTITIONED|
-                                                                                                -- SORT_GROUP_BY[$$17]  |PARTITIONED|
-                                                                                                        {
-                                                                                                          -- AGGREGATE  |LOCAL|
-                                                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                        }
-                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                      -- UNNEST  |PARTITIONED|
-                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                          -- ASSIGN  |PARTITIONED|
-                                                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                -- SPLIT  |PARTITIONED|
-                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- SPLIT  |PARTITIONED|
-                                                  -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- UNNEST  |PARTITIONED|
-                                                        -- STREAM_PROJECT  |PARTITIONED|
+                            -- STABLE_SORT [$$122(ASC), $$124(ASC)]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$122, $$124]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_SELECT  |PARTITIONED|
+                                      -- STREAM_PROJECT  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- HYBRID_HASH_JOIN [$$12][$$23]  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- SPLIT  |PARTITIONED|
+                                                      -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                                                        -- UNNEST  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- PRE_CLUSTERED_GROUP_BY[$$105]  |PARTITIONED|
+                                                            -- PRE_CLUSTERED_GROUP_BY[$$97]  |PARTITIONED|
                                                                     {
                                                                       -- AGGREGATE  |LOCAL|
                                                                         -- STREAM_SELECT  |LOCAL|
                                                                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                                                                     }
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- STABLE_SORT [$$105(ASC), $$21(ASC)]  |PARTITIONED|
-                                                                  -- HASH_PARTITION_EXCHANGE [$$105]  |PARTITIONED|
+                                                                -- STABLE_SORT [$$97(ASC), $$21(ASC)]  |PARTITIONED|
+                                                                  -- HASH_PARTITION_EXCHANGE [$$97]  |PARTITIONED|
                                                                     -- STREAM_PROJECT  |PARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                         -- HYBRID_HASH_JOIN [$$15][$$18]  |PARTITIONED|
                                                                           -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
-                                                                            -- UNNEST  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- UNNEST  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ASSIGN  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                                                           -- HASH_PARTITION_EXCHANGE [$$18]  |PARTITIONED|
-                                                                            -- RUNNING_AGGREGATE  |PARTITIONED|
-                                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                                -- SORT_MERGE_EXCHANGE [$$107(ASC), $$18(ASC) ]  |PARTITIONED|
-                                                                                  -- STABLE_SORT [$$107(ASC), $$18(ASC)]  |PARTITIONED|
+                                                                            -- ASSIGN  |PARTITIONED|
+                                                                              -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                  -- SORT_MERGE_EXCHANGE [$$105(ASC), $$18(ASC) ]  |PARTITIONED|
+                                                                                    -- STABLE_SORT [$$105(ASC), $$18(ASC)]  |PARTITIONED|
+                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- PRE_CLUSTERED_GROUP_BY[$$130]  |PARTITIONED|
+                                                                                                {
+                                                                                                  -- AGGREGATE  |LOCAL|
+                                                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                }
+                                                                                          -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$130(ASC)] HASH:[$$130]  |PARTITIONED|
+                                                                                            -- SORT_GROUP_BY[$$17]  |PARTITIONED|
+                                                                                                    {
+                                                                                                      -- AGGREGATE  |LOCAL|
+                                                                                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                                    }
+                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                  -- UNNEST  |PARTITIONED|
+                                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                            -- SPLIT  |PARTITIONED|
+                                                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- SPLIT  |PARTITIONED|
+                                                -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                                                  -- UNNEST  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- PRE_CLUSTERED_GROUP_BY[$$97]  |PARTITIONED|
+                                                              {
+                                                                -- AGGREGATE  |LOCAL|
+                                                                  -- STREAM_SELECT  |LOCAL|
+                                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                              }
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- STABLE_SORT [$$97(ASC), $$21(ASC)]  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$97]  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- HYBRID_HASH_JOIN [$$15][$$18]  |PARTITIONED|
+                                                                    -- HASH_PARTITION_EXCHANGE [$$15]  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- UNNEST  |PARTITIONED|
+                                                                          -- ASSIGN  |PARTITIONED|
+                                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                                              -- ASSIGN  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- DATASOURCE_SCAN  |PARTITIONED|
                                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- PRE_CLUSTERED_GROUP_BY[$$135]  |PARTITIONED|
+                                                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                    -- HASH_PARTITION_EXCHANGE [$$18]  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- RUNNING_AGGREGATE  |PARTITIONED|
+                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                            -- SORT_MERGE_EXCHANGE [$$105(ASC), $$18(ASC) ]  |PARTITIONED|
+                                                                              -- STABLE_SORT [$$105(ASC), $$18(ASC)]  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- PRE_CLUSTERED_GROUP_BY[$$130]  |PARTITIONED|
+                                                                                          {
+                                                                                            -- AGGREGATE  |LOCAL|
+                                                                                              -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                                          }
+                                                                                    -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$130(ASC)] HASH:[$$130]  |PARTITIONED|
+                                                                                      -- SORT_GROUP_BY[$$17]  |PARTITIONED|
                                                                                               {
                                                                                                 -- AGGREGATE  |LOCAL|
                                                                                                   -- NESTED_TUPLE_SOURCE  |LOCAL|
                                                                                               }
-                                                                                        -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$135(ASC)] HASH:[$$135]  |PARTITIONED|
-                                                                                          -- SORT_GROUP_BY[$$17]  |PARTITIONED|
-                                                                                                  {
-                                                                                                    -- AGGREGATE  |LOCAL|
-                                                                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                                                  }
-                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- STREAM_PROJECT  |PARTITIONED|
+                                                                                            -- UNNEST  |PARTITIONED|
                                                                                               -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                -- UNNEST  |PARTITIONED|
+                                                                                                -- ASSIGN  |PARTITIONED|
                                                                                                   -- STREAM_PROJECT  |PARTITIONED|
-                                                                                                    -- ASSIGN  |PARTITIONED|
-                                                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                                      -- SPLIT  |PARTITIONED|
                                                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                          -- SPLIT  |PARTITIONED|
+                                                                                                          -- DATASOURCE_SCAN  |PARTITIONED|
                                                                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-2.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-2.plan
index 1ddb0d3..ac63dd0 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-2.plan
@@ -4,7 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$33][$$49]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$33][$$48]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
@@ -12,49 +12,49 @@
                       -- DATASOURCE_SCAN  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$49]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$48]  |PARTITIONED|
                 -- NESTED_LOOP  |PARTITIONED|
                   -- BROADCAST_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- STREAM_SELECT  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_CLUSTERED_GROUP_BY[$$38]  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$34, $$47]  |PARTITIONED|
                                     {
                                       -- AGGREGATE  |LOCAL|
                                         -- STREAM_SELECT  |LOCAL|
                                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                                     }
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$38(ASC)]  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                                -- STABLE_SORT [$$34(ASC), $$47(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$34, $$47]  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- NESTED_LOOP  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- NESTED_LOOP  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- NESTED_LOOP  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                     -- STREAM_PROJECT  |UNPARTITIONED|
                       -- ASSIGN  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive-2.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive-2.plan
index 676aee1..541e146 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive-2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive-2.plan
@@ -4,7 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$58][$$64]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$56][$$63]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
@@ -12,49 +12,49 @@
                       -- DATASOURCE_SCAN  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$64]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$63]  |PARTITIONED|
                 -- NESTED_LOOP  |PARTITIONED|
                   -- BROADCAST_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- STREAM_SELECT  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_CLUSTERED_GROUP_BY[$$48]  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$43, $$62]  |PARTITIONED|
                                     {
                                       -- AGGREGATE  |LOCAL|
                                         -- STREAM_SELECT  |LOCAL|
                                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                                     }
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$48(ASC)]  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$48]  |PARTITIONED|
+                                -- STABLE_SORT [$$43(ASC), $$62(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$43, $$62]  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- NESTED_LOOP  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ASSIGN  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- DATASOURCE_SCAN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- NESTED_LOOP  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- NESTED_LOOP  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                     -- STREAM_PROJECT  |UNPARTITIONED|
                       -- ASSIGN  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive.plan
index 555050c..2d964a8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017-recursive.plan
@@ -4,7 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$54][$$59]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$52][$$58]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
@@ -17,51 +17,51 @@
                                 -- DATASOURCE_SCAN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$59]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$58]  |PARTITIONED|
                 -- NESTED_LOOP  |PARTITIONED|
                   -- BROADCAST_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- STREAM_SELECT  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- PRE_CLUSTERED_GROUP_BY[$$45]  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$41, $$57]  |PARTITIONED|
                                     {
                                       -- AGGREGATE  |LOCAL|
                                         -- STREAM_SELECT  |LOCAL|
                                           -- NESTED_TUPLE_SOURCE  |LOCAL|
                                     }
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- STABLE_SORT [$$45(ASC)]  |PARTITIONED|
-                                  -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
+                                -- STABLE_SORT [$$41(ASC), $$57(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$41, $$57]  |PARTITIONED|
                                     -- STREAM_PROJECT  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- NESTED_LOOP  |PARTITIONED|
-                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                  -- SPLIT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- DATASOURCE_SCAN  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- NESTED_LOOP  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                            -- NESTED_LOOP  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- SPLIT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ASSIGN  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ASSIGN  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                       -- DATASOURCE_SCAN  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                     -- STREAM_PROJECT  |UNPARTITIONED|
                       -- ASSIGN  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017.plan
index 911c1f3..7b1e829 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1017.plan
@@ -4,7 +4,7 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$35][$$30]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$30][$$42]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
@@ -12,47 +12,48 @@
                       -- DATASOURCE_SCAN  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                           -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
                 -- NESTED_LOOP  |PARTITIONED|
                   -- BROADCAST_EXCHANGE  |PARTITIONED|
                     -- STREAM_PROJECT  |PARTITIONED|
                       -- STREAM_SELECT  |PARTITIONED|
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_CLUSTERED_GROUP_BY[$$41]  |PARTITIONED|
-                                  {
-                                    -- AGGREGATE  |LOCAL|
-                                      -- STREAM_SELECT  |LOCAL|
-                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                  }
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                                -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- HYBRID_HASH_JOIN [$$38][$$36]  |PARTITIONED|
-                                        -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
+                        -- STREAM_PROJECT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- PRE_CLUSTERED_GROUP_BY[$$31, $$41]  |PARTITIONED|
+                                    {
+                                      -- AGGREGATE  |LOCAL|
+                                        -- STREAM_SELECT  |LOCAL|
+                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                    }
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- STABLE_SORT [$$31(ASC), $$41(ASC)]  |PARTITIONED|
+                                  -- HASH_PARTITION_EXCHANGE [$$31, $$41]  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- HYBRID_HASH_JOIN [$$38][$$34]  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                                            -- NESTED_LOOP  |PARTITIONED|
+                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- DATASOURCE_SCAN  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- HASH_PARTITION_EXCHANGE [$$36]  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ASSIGN  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- DATASOURCE_SCAN  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                     -- STREAM_PROJECT  |UNPARTITIONED|
                       -- ASSIGN  |UNPARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1018.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1018.plan
index 7c4a8c2..1e7e505 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1018.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1018.plan
@@ -4,75 +4,76 @@
       -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- HYBRID_HASH_JOIN [$$39][$$34]  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$34][$$50]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                     -- DATASOURCE_SCAN  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-              -- HASH_PARTITION_EXCHANGE [$$34]  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$50]  |PARTITIONED|
                 -- STREAM_PROJECT  |PARTITIONED|
                   -- ASSIGN  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- PRE_CLUSTERED_GROUP_BY[$$41]  |PARTITIONED|
-                              {
-                                -- AGGREGATE  |LOCAL|
-                                  -- STREAM_SELECT  |LOCAL|
-                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                              }
-                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- STABLE_SORT [$$41(ASC)]  |PARTITIONED|
-                            -- HASH_PARTITION_EXCHANGE [$$41]  |PARTITIONED|
-                              -- STREAM_PROJECT  |PARTITIONED|
-                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                  -- NESTED_LOOP  |PARTITIONED|
-                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- STREAM_SELECT  |PARTITIONED|
-                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                            -- PRE_CLUSTERED_GROUP_BY[$$47]  |PARTITIONED|
-                                                    {
-                                                      -- AGGREGATE  |LOCAL|
-                                                        -- STREAM_SELECT  |LOCAL|
-                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                    }
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- STABLE_SORT [$$47(ASC)]  |PARTITIONED|
-                                                  -- HASH_PARTITION_EXCHANGE [$$47]  |PARTITIONED|
-                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- HYBRID_HASH_JOIN [$$45][$$42]  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                                                            -- NESTED_LOOP  |PARTITIONED|
-                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ASSIGN  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_CLUSTERED_GROUP_BY[$$55, $$24, $$54]  |PARTITIONED|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$55(ASC), $$24(ASC), $$54(ASC)]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$55, $$24, $$54]  |PARTITIONED|
+                                -- STREAM_PROJECT  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- NESTED_LOOP  |PARTITIONED|
+                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                              -- PRE_CLUSTERED_GROUP_BY[$$49, $$35]  |PARTITIONED|
+                                                      {
+                                                        -- AGGREGATE  |LOCAL|
+                                                          -- STREAM_SELECT  |LOCAL|
+                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                      }
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- STABLE_SORT [$$49(ASC), $$35(ASC)]  |PARTITIONED|
+                                                    -- HASH_PARTITION_EXCHANGE [$$49, $$35]  |PARTITIONED|
+                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                          -- HYBRID_HASH_JOIN [$$47][$$38]  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$47]  |PARTITIONED|
+                                                              -- NESTED_LOOP  |PARTITIONED|
+                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ASSIGN  |PARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                          -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
-                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                              -- ASSIGN  |PARTITIONED|
-                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- ASSIGN  |PARTITIONED|
-                                          -- STREAM_PROJECT  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
+                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                      -- ASSIGN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                            -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                -- ASSIGN  |PARTITIONED|
+                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ASSIGN  |PARTITIONED|
+                                            -- STREAM_PROJECT  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1019.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1019.plan
index 0124285..3bf96d9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1019.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1019.plan
@@ -12,75 +12,76 @@
                       -- ASSIGN  |PARTITIONED|
                         -- STREAM_PROJECT  |PARTITIONED|
                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                            -- HYBRID_HASH_JOIN [$$43][$$38]  |PARTITIONED|
+                            -- HYBRID_HASH_JOIN [$$38][$$54]  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                 -- STREAM_PROJECT  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                     -- DATASOURCE_SCAN  |PARTITIONED|
                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                         -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                              -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$54]  |PARTITIONED|
                                 -- STREAM_PROJECT  |PARTITIONED|
                                   -- ASSIGN  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                      -- PRE_CLUSTERED_GROUP_BY[$$45]  |PARTITIONED|
-                                              {
-                                                -- AGGREGATE  |LOCAL|
-                                                  -- STREAM_SELECT  |LOCAL|
-                                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                              }
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- STABLE_SORT [$$45(ASC)]  |PARTITIONED|
-                                            -- HASH_PARTITION_EXCHANGE [$$45]  |PARTITIONED|
-                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- NESTED_LOOP  |PARTITIONED|
-                                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- STREAM_SELECT  |PARTITIONED|
-                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                            -- PRE_CLUSTERED_GROUP_BY[$$51]  |PARTITIONED|
-                                                                    {
-                                                                      -- AGGREGATE  |LOCAL|
-                                                                        -- STREAM_SELECT  |LOCAL|
-                                                                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                                                    }
-                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                -- STABLE_SORT [$$51(ASC)]  |PARTITIONED|
-                                                                  -- HASH_PARTITION_EXCHANGE [$$51]  |PARTITIONED|
-                                                                    -- STREAM_PROJECT  |PARTITIONED|
-                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- HYBRID_HASH_JOIN [$$49][$$46]  |PARTITIONED|
-                                                                          -- HASH_PARTITION_EXCHANGE [$$49]  |PARTITIONED|
-                                                                            -- NESTED_LOOP  |PARTITIONED|
-                                                                              -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ASSIGN  |PARTITIONED|
-                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- PRE_CLUSTERED_GROUP_BY[$$59, $$24, $$58]  |PARTITIONED|
+                                                {
+                                                  -- AGGREGATE  |LOCAL|
+                                                    -- STREAM_SELECT  |LOCAL|
+                                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                }
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- STABLE_SORT [$$59(ASC), $$24(ASC), $$58(ASC)]  |PARTITIONED|
+                                              -- HASH_PARTITION_EXCHANGE [$$59, $$24, $$58]  |PARTITIONED|
+                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- NESTED_LOOP  |PARTITIONED|
+                                                      -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- STREAM_SELECT  |PARTITIONED|
+                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                              -- PRE_CLUSTERED_GROUP_BY[$$53, $$39]  |PARTITIONED|
+                                                                      {
+                                                                        -- AGGREGATE  |LOCAL|
+                                                                          -- STREAM_SELECT  |LOCAL|
+                                                                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                                                      }
+                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                  -- STABLE_SORT [$$53(ASC), $$39(ASC)]  |PARTITIONED|
+                                                                    -- HASH_PARTITION_EXCHANGE [$$53, $$39]  |PARTITIONED|
+                                                                      -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                          -- HYBRID_HASH_JOIN [$$51][$$42]  |PARTITIONED|
+                                                                            -- HASH_PARTITION_EXCHANGE [$$51]  |PARTITIONED|
+                                                                              -- NESTED_LOOP  |PARTITIONED|
+                                                                                -- BROADCAST_EXCHANGE  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ASSIGN  |PARTITIONED|
                                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                         -- DATASOURCE_SCAN  |PARTITIONED|
                                                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                                             -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                                          -- HASH_PARTITION_EXCHANGE [$$46]  |PARTITIONED|
-                                                                            -- STREAM_PROJECT  |PARTITIONED|
-                                                                              -- ASSIGN  |PARTITIONED|
-                                                                                -- STREAM_PROJECT  |PARTITIONED|
-                                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- STREAM_PROJECT  |PARTITIONED|
-                                                        -- ASSIGN  |PARTITIONED|
-                                                          -- STREAM_PROJECT  |PARTITIONED|
-                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- DATASOURCE_SCAN  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                  -- ASSIGN  |PARTITIONED|
+                                                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                                                      -- ASSIGN  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                                            -- HASH_PARTITION_EXCHANGE [$$42]  |PARTITIONED|
+                                                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                                                -- ASSIGN  |PARTITIONED|
+                                                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                      -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- STREAM_PROJECT  |PARTITIONED|
+                                                          -- ASSIGN  |PARTITIONED|
+                                                            -- STREAM_PROJECT  |PARTITIONED|
+                                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1020.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1020.plan
index 73e10b4..7cf5bc4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1020.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1020.plan
@@ -1,46 +1,63 @@
 -- DISTRIBUTE_RESULT  |PARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-    -- NESTED_LOOP  |PARTITIONED|
-      -- BROADCAST_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
         -- STREAM_PROJECT  |PARTITIONED|
           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-            -- DATASOURCE_SCAN  |PARTITIONED|
+            -- HYBRID_HASH_JOIN [$$26][$$38]  |PARTITIONED|
               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-        -- STREAM_PROJECT  |PARTITIONED|
-          -- ASSIGN  |PARTITIONED|
-            -- STREAM_PROJECT  |PARTITIONED|
-              -- STREAM_SELECT  |PARTITIONED|
-                -- STREAM_PROJECT  |PARTITIONED|
-                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                    -- PRE_CLUSTERED_GROUP_BY[$$30]  |PARTITIONED|
-                            {
-                              -- AGGREGATE  |LOCAL|
-                                -- STREAM_SELECT  |LOCAL|
-                                  -- NESTED_TUPLE_SOURCE  |LOCAL|
-                            }
+                -- ASSIGN  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ASSIGN  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                        -- STABLE_SORT [$$30(ASC)]  |PARTITIONED|
-                          -- HASH_PARTITION_EXCHANGE [$$30]  |PARTITIONED|
+                        -- SPLIT  |PARTITIONED|
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                             -- STREAM_PROJECT  |PARTITIONED|
                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- HASH_PARTITION_EXCHANGE [$$38]  |PARTITIONED|
+                -- STREAM_PROJECT  |PARTITIONED|
+                  -- STREAM_SELECT  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- PRE_CLUSTERED_GROUP_BY[$$27, $$36]  |PARTITIONED|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
+                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                            -- STABLE_SORT [$$27(ASC), $$36(ASC)]  |PARTITIONED|
+                              -- HASH_PARTITION_EXCHANGE [$$27, $$36]  |PARTITIONED|
                                 -- NESTED_LOOP  |PARTITIONED|
                                   -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                    -- STREAM_PROJECT  |PARTITIONED|
-                                      -- ASSIGN  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- DATASOURCE_SCAN  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
+                                    -- SPLIT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- DATASOURCE_SCAN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                 -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- ASSIGN  |PARTITIONED|
-                                      -- STREAM_PROJECT  |PARTITIONED|
-                                        -- STREAM_SELECT  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
+                                    -- STREAM_PROJECT  |PARTITIONED|
+                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                        -- NESTED_LOOP  |PARTITIONED|
+                                          -- BROADCAST_EXCHANGE  |PARTITIONED|
                                             -- STREAM_PROJECT  |PARTITIONED|
-                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                              -- ASSIGN  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- DATASOURCE_SCAN  |PARTITIONED|
+                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- STREAM_SELECT  |PARTITIONED|
+                                                  -- ASSIGN  |PARTITIONED|
+                                                    -- STREAM_PROJECT  |PARTITIONED|
+                                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                        -- DATASOURCE_SCAN  |PARTITIONED|
+                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029.plan
index dd73dc1..2e66169 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029.plan
@@ -6,63 +6,64 @@
           -- NESTED_LOOP  |PARTITIONED|
             -- BROADCAST_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
                   -- STREAM_PROJECT  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_CLUSTERED_GROUP_BY[$$36, $$37]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_CLUSTERED_GROUP_BY[$$42, $$43, $$44, $$45]  |PARTITIONED|
-                                  {
-                                    -- AGGREGATE  |LOCAL|
-                                      -- STREAM_SELECT  |LOCAL|
-                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                  }
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$42(ASC), $$43(ASC), $$44(ASC), $$45(ASC)]  |PARTITIONED|
-                                -- HASH_PARTITION_EXCHANGE [$$42, $$43, $$44, $$45]  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$36(ASC), $$37(ASC)]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$36, $$37]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- NESTED_LOOP  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
                                       -- NESTED_LOOP  |PARTITIONED|
                                         -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- BTREE_SEARCH  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                                        -- STABLE_SORT [$$55(ASC)]  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             -- STREAM_PROJECT  |PARTITIONED|
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                 -- BTREE_SEARCH  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- SPLIT  |PARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- SPLIT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- STREAM_SELECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$61(ASC)]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                              -- BTREE_SEARCH  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                       -- SPLIT  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029_2.plan b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029_2.plan
index dd73dc1..2e66169 100644
--- a/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029_2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/udfs/query-ASTERIXDB-1029_2.plan
@@ -6,63 +6,64 @@
           -- NESTED_LOOP  |PARTITIONED|
             -- BROADCAST_EXCHANGE  |PARTITIONED|
               -- STREAM_PROJECT  |PARTITIONED|
-                -- ASSIGN  |PARTITIONED|
+                -- STREAM_SELECT  |PARTITIONED|
                   -- STREAM_PROJECT  |PARTITIONED|
-                    -- STREAM_SELECT  |PARTITIONED|
-                      -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- PRE_CLUSTERED_GROUP_BY[$$36, $$37]  |PARTITIONED|
+                              {
+                                -- AGGREGATE  |LOCAL|
+                                  -- STREAM_SELECT  |LOCAL|
+                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
+                              }
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- PRE_CLUSTERED_GROUP_BY[$$42, $$43, $$44, $$45]  |PARTITIONED|
-                                  {
-                                    -- AGGREGATE  |LOCAL|
-                                      -- STREAM_SELECT  |LOCAL|
-                                        -- NESTED_TUPLE_SOURCE  |LOCAL|
-                                  }
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- STABLE_SORT [$$42(ASC), $$43(ASC), $$44(ASC), $$45(ASC)]  |PARTITIONED|
-                                -- HASH_PARTITION_EXCHANGE [$$42, $$43, $$44, $$45]  |PARTITIONED|
-                                  -- STREAM_PROJECT  |PARTITIONED|
-                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                          -- STABLE_SORT [$$36(ASC), $$37(ASC)]  |PARTITIONED|
+                            -- HASH_PARTITION_EXCHANGE [$$36, $$37]  |PARTITIONED|
+                              -- STREAM_PROJECT  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- NESTED_LOOP  |PARTITIONED|
+                                    -- BROADCAST_EXCHANGE  |PARTITIONED|
                                       -- NESTED_LOOP  |PARTITIONED|
                                         -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                          -- NESTED_LOOP  |PARTITIONED|
-                                            -- BROADCAST_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                  -- DATASOURCE_SCAN  |PARTITIONED|
-                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                              -- ASSIGN  |PARTITIONED|
-                                                -- STREAM_SELECT  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                -- DATASOURCE_SCAN  |PARTITIONED|
+                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                          -- STREAM_PROJECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_SELECT  |PARTITIONED|
+                                                -- ASSIGN  |PARTITIONED|
                                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                     -- BTREE_SEARCH  |PARTITIONED|
                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                        -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
+                                                        -- STABLE_SORT [$$55(ASC)]  |PARTITIONED|
                                                           -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                             -- STREAM_PROJECT  |PARTITIONED|
                                                               -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                 -- BTREE_SEARCH  |PARTITIONED|
-                                                                  -- STREAM_PROJECT  |PARTITIONED|
-                                                                    -- ASSIGN  |PARTITIONED|
+                                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                                    -- SPLIT  |PARTITIONED|
                                                                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                        -- SPLIT  |PARTITIONED|
-                                                                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                            -- ASSIGN  |PARTITIONED|
-                                                                              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
-                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                          -- ASSIGN  |PARTITIONED|
-                                            -- STREAM_PROJECT  |PARTITIONED|
-                                              -- STREAM_SELECT  |PARTITIONED|
-                                                -- ASSIGN  |PARTITIONED|
-                                                  -- STREAM_PROJECT  |PARTITIONED|
+                                                                        -- ASSIGN  |PARTITIONED|
+                                                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                      -- ASSIGN  |PARTITIONED|
+                                        -- STREAM_PROJECT  |PARTITIONED|
+                                          -- STREAM_SELECT  |PARTITIONED|
+                                            -- ASSIGN  |PARTITIONED|
+                                              -- STREAM_PROJECT  |PARTITIONED|
+                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                                  -- BTREE_SEARCH  |PARTITIONED|
                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                      -- BTREE_SEARCH  |PARTITIONED|
+                                                      -- STABLE_SORT [$$58(ASC)]  |PARTITIONED|
                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                          -- STABLE_SORT [$$61(ASC)]  |PARTITIONED|
+                                                          -- STREAM_PROJECT  |PARTITIONED|
                                                             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                              -- STREAM_PROJECT  |PARTITIONED|
-                                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                                                  -- BTREE_SEARCH  |PARTITIONED|
+                                                              -- BTREE_SEARCH  |PARTITIONED|
+                                                                -- STREAM_PROJECT  |PARTITIONED|
+                                                                  -- ASSIGN  |PARTITIONED|
                                                                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                                       -- SPLIT  |PARTITIONED|
                                                                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|