Merged asterix_lsm_stabilization upto r1547

git-svn-id: https://asterixdb.googlecode.com/svn/trunk/asterix@1622 eaa15691-b419-025a-1212-ee371bd00084
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 a203f14..f0e1d55 100644
--- a/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/nested_loj2.plan
@@ -1,44 +1,45 @@
--- SINK_WRITE  |PARTITIONED|
+-- DISTRIBUTE_RESULT  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ASSIGN  |PARTITIONED|
-        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- PRE_CLUSTERED_GROUP_BY[$$25]  |PARTITIONED|
-                  {
-                    -- AGGREGATE  |LOCAL|
-                      -- MICRO_PRE_CLUSTERED_GROUP_BY[$$23]  |LOCAL|
-                              {
-                                -- AGGREGATE  |LOCAL|
-                                  -- STREAM_SELECT  |LOCAL|
-                                    -- NESTED_TUPLE_SOURCE  |LOCAL|
-                              }
-                        -- STREAM_SELECT  |LOCAL|
-                          -- NESTED_TUPLE_SOURCE  |LOCAL|
-                  }
-            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
-              -- STABLE_SORT [$$25(ASC), $$23(ASC)]  |LOCAL|
-                -- HASH_PARTITION_EXCHANGE [$$25]  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
-                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- HYBRID_HASH_JOIN [$$23][$$20]  |PARTITIONED|
-                        -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                              -- HYBRID_HASH_JOIN [$$25][$$26]  |PARTITIONED|
+        -- STREAM_PROJECT  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- PRE_CLUSTERED_GROUP_BY[$$25]  |PARTITIONED|
+                    {
+                      -- AGGREGATE  |LOCAL|
+                        -- MICRO_PRE_CLUSTERED_GROUP_BY[$$23]  |LOCAL|
+                                {
+                                  -- AGGREGATE  |LOCAL|
+                                    -- STREAM_SELECT  |LOCAL|
+                                      -- NESTED_TUPLE_SOURCE  |LOCAL|
+                                }
+                          -- STREAM_SELECT  |LOCAL|
+                            -- NESTED_TUPLE_SOURCE  |LOCAL|
+                    }
+              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                -- STABLE_SORT [$$25(ASC), $$23(ASC)]  |PARTITIONED|
+                  -- HASH_PARTITION_EXCHANGE [$$25]  |PARTITIONED|
+                    -- STREAM_PROJECT  |PARTITIONED|
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        -- HYBRID_HASH_JOIN [$$23][$$20]  |PARTITIONED|
+                          -- HASH_PARTITION_EXCHANGE [$$23]  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- HYBRID_HASH_JOIN [$$25][$$26]  |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|
                                 -- 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|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                -- DATASOURCE_SCAN  |PARTITIONED|
-                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|