Modify all the plans to use ONE_TO_ONE_EXCHANGE for result distribution operator.
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_01.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_02.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_03.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_04.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_05.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_06.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_07.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-let-to-edit-distance-check_08.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_01.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_02.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_03.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_04.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_05.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_06.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_07.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/edit-distance-to-edit-distance-check_08.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-edit-distance-check.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/fuzzyeq-to-jaccard-check.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_01.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_02.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_03.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
index c0e93c8..fcd1fd5 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_04.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_05.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_06.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_07.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
index 4d9d3f9..7ec3440 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-let-to-jaccard-check_08.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_01.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_02.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_03.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_04.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_05.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_06.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_07.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
index ae0d5bb..06194e4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/similarity/jaccard-to-jaccard-check_08.plan
@@ -1,5 +1,5 @@
-- DISTRIBUTE_RESULT |PARTITIONED|
- -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- STREAM_SELECT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|