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Posted to commits@hive.apache.org by xu...@apache.org on 2014/11/25 14:03:23 UTC

svn commit: r1641614 [32/43] - in /hive/branches/spark: itests/src/test/resources/ ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/ ql/src/java/org/apache/hadoop/hive/ql/optimizer/spark/ ql/src/java/org/apache/hadoop/hive/ql/parse/spark/ ql/sr...

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt1.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt1.q.out?rev=1641614&r1=1641613&r2=1641614&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt1.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt1.q.out Tue Nov 25 13:03:18 2014
@@ -47,116 +47,126 @@ EXPLAIN
 SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
-        Reducer 6 <- Map 5 (PARTITION-LEVEL SORT, 1), Map 7 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 6 (NONE, 0)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 3 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (not ((key = '2') or (key = '3')))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 4 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 2 <- Map 1 (NONE, 0), Map 5 (NONE, 0)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and (not ((key = '2') or (key = '3')))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        1 Map 3
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
         Map 5 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and ((key = '2') or (key = '3'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 7 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        1 Map 4
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 4 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and ((key = '2') or (key = '3'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 6 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Union 3 
-            Vertex: Union 3
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator
@@ -193,16 +203,14 @@ EXPLAIN
 SELECT a.*, b.* FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
-        Reducer 6 <- Map 5 (PARTITION-LEVEL SORT, 1), Map 7 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 6 (NONE, 0)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -213,41 +221,92 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (not ((key = '2') or (key = '3'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 4 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 3 <- Map 2 (NONE, 0), Map 4 (NONE, 0)
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (not ((key = '2') or (key = '3'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 5 
+                    Map Join Operator
+                      condition map:
+                           Right Outer Join0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        0 Map 1
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Map 4 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: ((key = '2') or (key = '3')) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 7 
+                    Map Join Operator
+                      condition map:
+                           Right Outer Join0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        0 Map 5
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Union 3 
+            Vertex: Union 3
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: a
@@ -255,54 +314,15 @@ STAGE PLANS:
                   Filter Operator
                     predicate: ((key = '2') or (key = '3')) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 6 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Union 3 
-            Vertex: Union 3
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator
@@ -341,90 +361,100 @@ EXPLAIN
 SELECT count(1) FROM T1 a JOIN T2 b ON a.key = b.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 5 (PARTITION-LEVEL SORT, 1)
-        Reducer 7 <- Map 6 (PARTITION-LEVEL SORT, 1), Map 8 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 7 (NONE, 0)
-        Reducer 4 <- Union 3 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 4 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (not ((key = '2') or (key = '3')))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 5 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 2 <- Map 1 (NONE, 0), Map 6 (NONE, 0)
+        Reducer 3 <- Union 2 (GROUP, 1)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and (not ((key = '2') or (key = '3')))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      input vertices:
+                        1 Map 4
+                      Select Operator
+                        Select Operator
+                          SELECT * : (no compute)
+                          Group By Operator
+                            aggregations: count(1)
+                            mode: hash
+                            outputColumnNames: _col0
+                            Reduce Output Operator
+                              sort order: 
+                              value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Map 6 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and ((key = '2') or (key = '3'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 8 
-            Map Operator Tree:
-                TableScan
                   alias: a
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and ((key = '2') or (key = '3'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 
-                  1 
-                Select Operator
-                  Select Operator
-                    SELECT * : (no compute)
-                    Group By Operator
-                      aggregations: count(1)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Reduce Output Operator
-                        sort order: 
-                        value expressions: _col0 (type: bigint)
-        Reducer 4 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      input vertices:
+                        1 Map 5
+                      Select Operator
+                        Select Operator
+                          SELECT * : (no compute)
+                          Group By Operator
+                            aggregations: count(1)
+                            mode: hash
+                            outputColumnNames: _col0
+                            Reduce Output Operator
+                              sort order: 
+                              value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
+        Reducer 3 
             Reduce Operator Tree:
               Group By Operator
                 aggregations: count(VALUE._col0)
@@ -442,26 +472,30 @@ STAGE PLANS:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                         serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 7 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 
-                  1 
-                Select Operator
-                  Select Operator
-                    SELECT * : (no compute)
-                    Group By Operator
-                      aggregations: count(1)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Reduce Output Operator
-                        sort order: 
-                        value expressions: _col0 (type: bigint)
-        Union 3 
-            Vertex: Union 3
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: b
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (key is not null and ((key = '2') or (key = '3'))) (type: boolean)
+                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator
@@ -487,17 +521,14 @@ POSTHOOK: query: EXPLAIN
 SELECT count(1) FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 5 (PARTITION-LEVEL SORT, 1)
-        Reducer 7 <- Map 6 (PARTITION-LEVEL SORT, 1), Map 8 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 7 (NONE, 0)
-        Reducer 4 <- Union 3 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -508,68 +539,81 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (not ((key = '2') or (key = '3'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 5 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 3 <- Map 2 (NONE, 0), Map 5 (NONE, 0)
+        Reducer 4 <- Union 3 (GROUP, 1)
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (not ((key = '2') or (key = '3'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 6 
+                    Map Join Operator
+                      condition map:
+                           Right Outer Join0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      input vertices:
+                        0 Map 1
+                      Select Operator
+                        Select Operator
+                          SELECT * : (no compute)
+                          Group By Operator
+                            aggregations: count(1)
+                            mode: hash
+                            outputColumnNames: _col0
+                            Reduce Output Operator
+                              sort order: 
+                              value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: ((key = '2') or (key = '3')) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 8 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
-                  Filter Operator
-                    predicate: ((key = '2') or (key = '3')) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                condition expressions:
-                  0 
-                  1 
-                Select Operator
-                  Select Operator
-                    SELECT * : (no compute)
-                    Group By Operator
-                      aggregations: count(1)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Reduce Output Operator
-                        sort order: 
-                        value expressions: _col0 (type: bigint)
+                    Map Join Operator
+                      condition map:
+                           Right Outer Join0 to 1
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      input vertices:
+                        0 Map 6
+                      Select Operator
+                        Select Operator
+                          SELECT * : (no compute)
+                          Group By Operator
+                            aggregations: count(1)
+                            mode: hash
+                            outputColumnNames: _col0
+                            Reduce Output Operator
+                              sort order: 
+                              value expressions: _col0 (type: bigint)
+            Local Work:
+              Map Reduce Local Work
         Reducer 4 
             Reduce Operator Tree:
               Group By Operator
@@ -588,27 +632,31 @@ STAGE PLANS:
                         input format: org.apache.hadoop.mapred.TextInputFormat
                         output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                         serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 7 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                condition expressions:
-                  0 
-                  1 
-                Select Operator
-                  Select Operator
-                    SELECT * : (no compute)
-                    Group By Operator
-                      aggregations: count(1)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Reduce Output Operator
-                        sort order: 
-                        value expressions: _col0 (type: bigint)
         Union 3 
             Vertex: Union 3
 
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = '2') or (key = '3')) (type: boolean)
+                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
   Stage: Stage-0
     Fetch Operator
       limit: -1

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt10.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt10.q.out?rev=1641614&r1=1641613&r2=1641614&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt10.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt10.q.out Tue Nov 25 13:03:18 2014
@@ -49,16 +49,14 @@ explain 
 select * from (select a.key as key, b.value as array_val from T1 a join array_valued_T1 b on a.key=b.key) i lateral view explode (array_val) c as val
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 6 (PARTITION-LEVEL SORT, 1)
-        Reducer 5 <- Map 4 (PARTITION-LEVEL SORT, 1), Map 7 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 5 (NONE, 0)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -69,146 +67,160 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (key is not null and (not (key = '8'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and (key = '8')) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 6 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 {value}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 4 <- Map 3 (NONE, 0), Map 5 (NONE, 0)
+#### A masked pattern was here ####
+      Vertices:
+        Map 3 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (not (key = '8'))) (type: boolean)
-                    Statistics: Num rows: 2 Data size: 8 Basic stats: COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 2 Data size: 8 Basic stats: COMPLETE Column stats: NONE
-                      value expressions: value (type: array<string>)
-        Map 7 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key}
+                        1 {value}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col6
+                      input vertices:
+                        0 Map 1
+                      Select Operator
+                        expressions: _col0 (type: string), _col6 (type: array<string>)
+                        outputColumnNames: _col0, _col1
+                        Select Operator
+                          SELECT * : (no compute)
+                          Lateral View Forward
+                            Select Operator
+                              SELECT * : (no compute)
+                              expressions: _col0 (type: string), _col1 (type: array<string>)
+                              outputColumnNames: org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc, org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc
+                              Lateral View Join Operator
+                                outputColumnNames: _col0, _col1, _col2
+                                Select Operator
+                                  expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
+                                  outputColumnNames: _col0, _col1, _col2
+                                  File Output Operator
+                                    compressed: false
+                                    table:
+                                        input format: org.apache.hadoop.mapred.TextInputFormat
+                                        output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+                            Select Operator
+                              expressions: _col1 (type: array<string>)
+                              outputColumnNames: _col0
+                              UDTF Operator
+                                function name: explode
+                                Lateral View Join Operator
+                                  outputColumnNames: _col0, _col1, _col2
+                                  Select Operator
+                                    expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
+                                    outputColumnNames: _col0, _col1, _col2
+                                    File Output Operator
+                                      compressed: false
+                                      table:
+                                          input format: org.apache.hadoop.mapred.TextInputFormat
+                                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: b
-                  Statistics: Num rows: 6 Data size: 24 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (key = '8')) (type: boolean)
-                    Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 1 Data size: 4 Basic stats: COMPLETE Column stats: NONE
-                      value expressions: value (type: array<string>)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col6 (type: array<string>)
-                  outputColumnNames: _col0, _col1
-                  Select Operator
-                    SELECT * : (no compute)
-                    Lateral View Forward
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key}
+                        1 {value}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col6
+                      input vertices:
+                        0 Map 2
                       Select Operator
-                        SELECT * : (no compute)
-                        expressions: _col0 (type: string), _col1 (type: array<string>)
-                        outputColumnNames: org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc, org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc
-                        Lateral View Join Operator
-                          outputColumnNames: _col0, _col1, _col2
-                          Select Operator
-                            expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
-                            outputColumnNames: _col0, _col1, _col2
-                            File Output Operator
-                              compressed: false
-                              table:
-                                  input format: org.apache.hadoop.mapred.TextInputFormat
-                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-                      Select Operator
-                        expressions: _col1 (type: array<string>)
-                        outputColumnNames: _col0
-                        UDTF Operator
-                          function name: explode
-                          Lateral View Join Operator
-                            outputColumnNames: _col0, _col1, _col2
+                        expressions: _col0 (type: string), _col6 (type: array<string>)
+                        outputColumnNames: _col0, _col1
+                        Select Operator
+                          SELECT * : (no compute)
+                          Lateral View Forward
                             Select Operator
-                              expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
-                              outputColumnNames: _col0, _col1, _col2
-                              File Output Operator
-                                compressed: false
-                                table:
-                                    input format: org.apache.hadoop.mapred.TextInputFormat
-                                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                                    serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 5 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col6 (type: array<string>)
-                  outputColumnNames: _col0, _col1
-                  Select Operator
-                    SELECT * : (no compute)
-                    Lateral View Forward
-                      Select Operator
-                        SELECT * : (no compute)
-                        expressions: _col0 (type: string), _col1 (type: array<string>)
-                        outputColumnNames: org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc, org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc
-                        Lateral View Join Operator
-                          outputColumnNames: _col0, _col1, _col2
-                          Select Operator
-                            expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
-                            outputColumnNames: _col0, _col1, _col2
-                            File Output Operator
-                              compressed: false
-                              table:
-                                  input format: org.apache.hadoop.mapred.TextInputFormat
-                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-                      Select Operator
-                        expressions: _col1 (type: array<string>)
-                        outputColumnNames: _col0
-                        UDTF Operator
-                          function name: explode
-                          Lateral View Join Operator
-                            outputColumnNames: _col0, _col1, _col2
+                              SELECT * : (no compute)
+                              expressions: _col0 (type: string), _col1 (type: array<string>)
+                              outputColumnNames: org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc, org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc
+                              Lateral View Join Operator
+                                outputColumnNames: _col0, _col1, _col2
+                                Select Operator
+                                  expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
+                                  outputColumnNames: _col0, _col1, _col2
+                                  File Output Operator
+                                    compressed: false
+                                    table:
+                                        input format: org.apache.hadoop.mapred.TextInputFormat
+                                        output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
                             Select Operator
-                              expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
-                              outputColumnNames: _col0, _col1, _col2
-                              File Output Operator
-                                compressed: false
-                                table:
-                                    input format: org.apache.hadoop.mapred.TextInputFormat
-                                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                                    serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Union 3 
-            Vertex: Union 3
+                              expressions: _col1 (type: array<string>)
+                              outputColumnNames: _col0
+                              UDTF Operator
+                                function name: explode
+                                Lateral View Join Operator
+                                  outputColumnNames: _col0, _col1, _col2
+                                  Select Operator
+                                    expressions: _col0 (type: string), _col1 (type: array<string>), _col2 (type: string)
+                                    outputColumnNames: _col0, _col1, _col2
+                                    File Output Operator
+                                      compressed: false
+                                      table:
+                                          input format: org.apache.hadoop.mapred.TextInputFormat
+                                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Union 4 
+            Vertex: Union 4
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 2 
+            Map Operator Tree:
+                TableScan
+                  alias: a
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (key is not null and (key = '8')) (type: boolean)
+                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 
+                        1 {value}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt11.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt11.q.out?rev=1641614&r1=1641613&r2=1641614&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt11.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt11.q.out Tue Nov 25 13:03:18 2014
@@ -59,105 +59,208 @@ select * from	
 ) subq1
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4, Stage-5, Stage-6
+  Stage-4 depends on stages: Stage-3
+  Stage-5 depends on stages: Stage-3, Stage-4
+  Stage-6 depends on stages: Stage-3, Stage-4, Stage-5
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 11 <- Map 10 (PARTITION-LEVEL SORT, 1), Map 13 (PARTITION-LEVEL SORT, 1)
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
-        Reducer 6 <- Map 5 (PARTITION-LEVEL SORT, 1), Map 7 (PARTITION-LEVEL SORT, 1)
-        Reducer 9 <- Map 12 (PARTITION-LEVEL SORT, 1), Map 8 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 11 (NONE, 0), Reducer 2 (NONE, 0), Reducer 6 (NONE, 0), Reducer 9 (NONE, 0)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 3 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (not (key = '2'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 10 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 2 <- Map 1 (NONE, 0), Map 4 (NONE, 0), Map 6 (NONE, 0), Map 9 (NONE, 0)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and (not (key = '2'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 12 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col6
+                      input vertices:
+                        1 Map 3
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Select Operator
+                          SELECT * : (no compute)
+                          Select Operator
+                            expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
+                            outputColumnNames: _col0, _col1, _col2
+                            File Output Operator
+                              compressed: false
+                              table:
+                                  input format: org.apache.hadoop.mapred.TextInputFormat
+                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Map 4 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and (key = '2')) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 13 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col6
+                      input vertices:
+                        1 Map 5
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Select Operator
+                          SELECT * : (no compute)
+                          Select Operator
+                            expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
+                            outputColumnNames: _col0, _col1, _col2
+                            File Output Operator
+                              compressed: false
+                              table:
+                                  input format: org.apache.hadoop.mapred.TextInputFormat
+                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Map 6 
             Map Operator Tree:
                 TableScan
                   alias: a
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
-                    predicate: (key is not null and (not (key = '2'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 4 
+                    predicate: (key is not null and (key = '2')) (type: boolean)
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col6
+                      input vertices:
+                        1 Map 8
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Select Operator
+                          SELECT * : (no compute)
+                          Select Operator
+                            expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
+                            outputColumnNames: _col0, _col1, _col2
+                            File Output Operator
+                              compressed: false
+                              table:
+                                  input format: org.apache.hadoop.mapred.TextInputFormat
+                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Map 9 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: (key is not null and (not (key = '2'))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+                      outputColumnNames: _col0, _col1, _col6
+                      input vertices:
+                        1 Map 7
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Select Operator
+                          SELECT * : (no compute)
+                          Select Operator
+                            expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
+                            outputColumnNames: _col0, _col1, _col2
+                            File Output Operator
+                              compressed: false
+                              table:
+                                  input format: org.apache.hadoop.mapred.TextInputFormat
+                                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
         Map 5 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: (key is not null and (key = '2')) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 7 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-5
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 8 
             Map Operator Tree:
                 TableScan
                   alias: b
@@ -165,120 +268,37 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (key is not null and (key = '2')) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Map 8 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-6
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 7 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
-                    predicate: (key is not null and (key = '2')) (type: boolean)
+                    predicate: (key is not null and (not (key = '2'))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string)
-                      sort order: +
-                      Map-reduce partition columns: key (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                      value expressions: val (type: string)
-        Reducer 11 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2
-                  Select Operator
-                    SELECT * : (no compute)
-                    Select Operator
-                      expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
-                      outputColumnNames: _col0, _col1, _col2
-                      File Output Operator
-                        compressed: false
-                        table:
-                            input format: org.apache.hadoop.mapred.TextInputFormat
-                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2
-                  Select Operator
-                    SELECT * : (no compute)
-                    Select Operator
-                      expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
-                      outputColumnNames: _col0, _col1, _col2
-                      File Output Operator
-                        compressed: false
-                        table:
-                            input format: org.apache.hadoop.mapred.TextInputFormat
-                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 6 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2
-                  Select Operator
-                    SELECT * : (no compute)
-                    Select Operator
-                      expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
-                      outputColumnNames: _col0, _col1, _col2
-                      File Output Operator
-                        compressed: false
-                        table:
-                            input format: org.apache.hadoop.mapred.TextInputFormat
-                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 9 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2
-                  Select Operator
-                    SELECT * : (no compute)
-                    Select Operator
-                      expressions: _col0 (type: string), _col1 (type: string), _col2 (type: string)
-                      outputColumnNames: _col0, _col1, _col2
-                      File Output Operator
-                        compressed: false
-                        table:
-                            input format: org.apache.hadoop.mapred.TextInputFormat
-                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Union 3 
-            Vertex: Union 3
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 {val}
+                      keys:
+                        0 key (type: string)
+                        1 key (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt12.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt12.q.out?rev=1641614&r1=1641613&r2=1641614&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt12.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt12.q.out Tue Nov 25 13:03:18 2014
@@ -49,112 +49,126 @@ EXPLAIN
 SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-1 is a root stage
+  Stage-3 is a root stage
+  Stage-1 depends on stages: Stage-3, Stage-4
+  Stage-4 depends on stages: Stage-3
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-1
+  Stage: Stage-3
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
-        Reducer 6 <- Map 5 (PARTITION-LEVEL SORT, 1), Map 7 (PARTITION-LEVEL SORT, 1)
-        Union 3 <- Reducer 2 (NONE, 0), Reducer 6 (NONE, 0)
 #### A masked pattern was here ####
       Vertices:
-        Map 1 
+        Map 3 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: ((key is not null and val is not null) and (not ((((key = '2') and (val = '12')) or ((key = '8') and (val = '18'))) or ((key = '3') and (val = '13'))))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string), val (type: string)
-                      sort order: ++
-                      Map-reduce partition columns: key (type: string), val (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 4 
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 
+                      keys:
+                        0 key (type: string), val (type: string)
+                        1 key (type: string), val (type: string)
+            Local Work:
+              Map Reduce Local Work
+
+  Stage: Stage-1
+    Spark
+      Edges:
+        Union 2 <- Map 1 (NONE, 0), Map 5 (NONE, 0)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: ((key is not null and val is not null) and (not ((((key = '2') and (val = '12')) or ((key = '8') and (val = '18'))) or ((key = '3') and (val = '13'))))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string), val (type: string)
-                      sort order: ++
-                      Map-reduce partition columns: key (type: string), val (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string), val (type: string)
+                        1 key (type: string), val (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        1 Map 3
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
         Map 5 
             Map Operator Tree:
                 TableScan
-                  alias: b
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: a
                   Filter Operator
                     predicate: ((key is not null and val is not null) and ((((key = '2') and (val = '12')) or ((key = '8') and (val = '18'))) or ((key = '3') and (val = '13')))) (type: boolean)
-                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string), val (type: string)
-                      sort order: ++
-                      Map-reduce partition columns: key (type: string), val (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Map 7 
+                    Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                      condition expressions:
+                        0 {key} {val}
+                        1 {key} {val}
+                      keys:
+                        0 key (type: string), val (type: string)
+                        1 key (type: string), val (type: string)
+                      outputColumnNames: _col0, _col1, _col5, _col6
+                      input vertices:
+                        1 Map 4
+                      Select Operator
+                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3
+                        Select Operator
+                          SELECT * : (no compute)
+                          File Output Operator
+                            compressed: false
+                            table:
+                                input format: org.apache.hadoop.mapred.TextInputFormat
+                                output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                                serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+            Local Work:
+              Map Reduce Local Work
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-4
+    Spark
+#### A masked pattern was here ####
+      Vertices:
+        Map 4 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: ((key is not null and val is not null) and ((((key = '2') and (val = '12')) or ((key = '8') and (val = '18'))) or ((key = '3') and (val = '13')))) (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: string), val (type: string)
-                      sort order: ++
-                      Map-reduce partition columns: key (type: string), val (type: string)
-                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
-                  1 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 6 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
-                  1 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
-                outputColumnNames: _col0, _col1, _col5, _col6
-                Select Operator
-                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3
-                  Select Operator
-                    SELECT * : (no compute)
-                    File Output Operator
-                      compressed: false
-                      table:
-                          input format: org.apache.hadoop.mapred.TextInputFormat
-                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
-                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Union 3 
-            Vertex: Union 3
+                    Spark HashTable Sink Operator
+                      condition expressions:
+                        0 {key} {val}
+                        1 
+                      keys:
+                        0 key (type: string), val (type: string)
+                        1 key (type: string), val (type: string)
+            Local Work:
+              Map Reduce Local Work
 
   Stage: Stage-0
     Fetch Operator