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From xu...@apache.org
Subject svn commit: r1642997 [19/31] - in /hive/branches/spark: itests/src/test/resources/ ql/src/java/org/apache/hadoop/hive/ql/optimizer/spark/ ql/src/test/results/clientpositive/spark/
Date Tue, 02 Dec 2014 19:57:14 GMT
Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin.q.out?rev=1642997&r1=1642996&r2=1642997&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin.q.out Tue Dec  2 19:57:10 2014
@@ -79,73 +79,66 @@ FROM src src1 JOIN src src2 ON (src1.key
 INSERT OVERWRITE TABLE dest_j1 SELECT src1.key, src2.value
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-3 is a root stage
-  Stage-1 depends on stages: Stage-3
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
   Stage-2 depends on stages: Stage-0
 
 STAGE PLANS:
-  Stage: Stage-3
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 3 (PARTITION-LEVEL SORT, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 2 
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: src2
+                  alias: src1
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key}
-                        1 {value}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                    Reduce Output Operator
+                      key expressions: key (type: string)
+                      sort order: +
+                      Map-reduce partition columns: key (type: string)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+        Map 3 
             Map Operator Tree:
                 TableScan
-                  alias: src1
+                  alias: src2
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                    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:
-                        1 Map 2
-                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                      Select Operator
-                        expressions: UDFToInteger(_col0) (type: int), _col6 (type: string)
-                        outputColumnNames: _col0, _col1
-                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                        File Output Operator
-                          compressed: false
-                          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                          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
-                              name: default.dest_j1
-            Local Work:
-              Map Reduce Local Work
+                    Reduce Output Operator
+                      key expressions: key (type: string)
+                      sort order: +
+                      Map-reduce partition columns: key (type: string)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: 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
+                Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                Select Operator
+                  expressions: UDFToInteger(_col0) (type: int), _col6 (type: string)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                    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
+                        name: default.dest_j1
 
   Stage: Stage-0
     Move Operator
@@ -194,125 +187,97 @@ FROM T1 a JOIN T2 b ON a.key = b.key
           JOIN T4 d ON c.key = d.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 3 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3), Map 5 (PARTITION-LEVEL SORT, 3)
 #### A masked pattern was here ####
       Vertices:
-        Map 2 
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
+                  alias: a
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {val}
-                        2 {key} {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
+                    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 3 
             Map Operator Tree:
                 TableScan
-                  alias: c
-                  Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE
+                  alias: b
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
+                    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 
             Map Operator Tree:
                 TableScan
-                  alias: d
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: c
+                  Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {key} {val}
-                        3 {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                    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 Operator Tree:
                 TableScan
-                  alias: a
+                  alias: d
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                           Inner Join 1 to 2
-                           Inner Join 2 to 3
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {key} {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-                      outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11, _col15, _col16
-                      input vertices:
-                        1 Map 2
-                        2 Map 3
-                        3 Map 4
+                    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
-                      Select Operator
-                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string), _col10 (type: string), _col11 (type: string), _col15 (type: string), _col16 (type: string)
-                        outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7
-                        Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                        File Output Operator
-                          compressed: false
-                          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                          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
+                      value expressions: val (type: string)
+        Reducer 2 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                     Inner Join 1 to 2
+                     Inner Join 2 to 3
+                condition expressions:
+                  0 {KEY.reducesinkkey0} {VALUE._col0}
+                  1 {KEY.reducesinkkey0} {VALUE._col0}
+                  2 {KEY.reducesinkkey0} {VALUE._col0}
+                  3 {KEY.reducesinkkey0} {VALUE._col0}
+                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11, _col15, _col16
+                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Select Operator
+                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string), _col10 (type: string), _col11 (type: string), _col15 (type: string), _col16 (type: string)
+                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7
+                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    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
 
   Stage: Stage-0
     Fetch Operator
@@ -354,125 +319,97 @@ FROM T1 a JOIN T2 b ON a.key = b.key
           JOIN T4 d ON c.key = d.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 3 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3), Map 5 (PARTITION-LEVEL SORT, 3)
 #### A masked pattern was here ####
       Vertices:
-        Map 2 
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
+                  alias: a
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {val}
-                        2 {key} {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
+                    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 3 
             Map Operator Tree:
                 TableScan
-                  alias: c
-                  Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE
+                  alias: b
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
+                    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 
             Map Operator Tree:
                 TableScan
-                  alias: d
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  alias: c
+                  Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {key} {val}
-                        3 {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                    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 Operator Tree:
                 TableScan
-                  alias: a
+                  alias: d
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                           Inner Join 1 to 2
-                           Inner Join 2 to 3
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key} {val}
-                        2 {key} {val}
-                        3 {key} {val}
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                        2 key (type: string)
-                        3 key (type: string)
-                      outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11, _col15, _col16
-                      input vertices:
-                        1 Map 2
-                        2 Map 3
-                        3 Map 4
+                    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
-                      Select Operator
-                        expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string), _col10 (type: string), _col11 (type: string), _col15 (type: string), _col16 (type: string)
-                        outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7
-                        Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                        File Output Operator
-                          compressed: false
-                          Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                          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
+                      value expressions: val (type: string)
+        Reducer 2 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                     Inner Join 1 to 2
+                     Inner Join 2 to 3
+                condition expressions:
+                  0 {KEY.reducesinkkey0} {VALUE._col0}
+                  1 {KEY.reducesinkkey0} {VALUE._col0}
+                  2 {KEY.reducesinkkey0} {VALUE._col0}
+                  3 {KEY.reducesinkkey0} {VALUE._col0}
+                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11, _col15, _col16
+                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                Select Operator
+                  expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string), _col10 (type: string), _col11 (type: string), _col15 (type: string), _col16 (type: string)
+                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7
+                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                    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
 
   Stage: Stage-0
     Fetch Operator
@@ -506,13 +443,15 @@ PREHOOK: type: QUERY
 POSTHOOK: query: EXPLAIN FROM T1 a JOIN src c ON c.key+1=a.key SELECT /*+ STREAMTABLE(a) */ sum(hash(a.key)), sum(hash(a.val)), sum(hash(c.key))
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -523,23 +462,13 @@ STAGE PLANS:
                   Filter Operator
                     predicate: UDFToDouble(key) is not null (type: boolean)
                     Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key}
-                      keys:
-                        0 UDFToDouble(key) (type: double)
-                        1 (key + 1) (type: double)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-      Edges:
-        Reducer 3 <- Map 2 (GROUP, 1)
-#### A masked pattern was here ####
-      Vertices:
-        Map 2 
+                    Reduce Output Operator
+                      key expressions: UDFToDouble(key) (type: double)
+                      sort order: +
+                      Map-reduce partition columns: UDFToDouble(key) (type: double)
+                      Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+                      value expressions: key (type: string), val (type: string)
+        Map 4 
             Map Operator Tree:
                 TableScan
                   alias: c
@@ -547,30 +476,31 @@ STAGE PLANS:
                   Filter Operator
                     predicate: (key + 1) is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      condition expressions:
-                        0 {key} {val}
-                        1 {key}
-                      keys:
-                        0 UDFToDouble(key) (type: double)
-                        1 (key + 1) (type: double)
-                      outputColumnNames: _col0, _col1, _col5
-                      input vertices:
-                        0 Map 1
-                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                      Group By Operator
-                        aggregations: sum(hash(_col0)), sum(hash(_col1)), sum(hash(_col5))
-                        mode: hash
-                        outputColumnNames: _col0, _col1, _col2
-                        Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          sort order: 
-                          Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
-                          value expressions: _col0 (type: bigint), _col1 (type: bigint), _col2 (type: bigint)
-            Local Work:
-              Map Reduce Local Work
+                    Reduce Output Operator
+                      key expressions: (key + 1) (type: double)
+                      sort order: +
+                      Map-reduce partition columns: (key + 1) (type: double)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: key (type: string)
+        Reducer 2 
+            Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                condition expressions:
+                  0 {VALUE._col0} {VALUE._col1}
+                  1 {VALUE._col0}
+                outputColumnNames: _col0, _col1, _col5
+                Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(hash(_col0)), sum(hash(_col1)), sum(hash(_col5))
+                  mode: hash
+                  outputColumnNames: _col0, _col1, _col2
+                  Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 24 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint), _col1 (type: bigint), _col2 (type: bigint)
         Reducer 3 
             Reduce Operator Tree:
               Group By Operator
@@ -622,16 +552,18 @@ ON (x.key = Y.key)
 SELECT sum(hash(Y.key)), sum(hash(Y.value))
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 3 
+        Map 1 
             Map Operator Tree:
                 TableScan
                   alias: src
@@ -640,26 +572,15 @@ STAGE PLANS:
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
+                      expressions: key (type: string)
+                      outputColumnNames: _col0
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Spark HashTable Sink Operator
-                        condition expressions:
-                          0 
-                          1 {_col1}
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+        Map 4 
             Map Operator Tree:
                 TableScan
                   alias: src
@@ -668,35 +589,36 @@ STAGE PLANS:
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
+                      expressions: key (type: string), value (type: string)
+                      outputColumnNames: _col0, _col1
                       Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        condition expressions:
-                          0 
-                          1 {_col0} {_col1}
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                        outputColumnNames: _col2, _col3
-                        input vertices:
-                          1 Map 3
-                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: sum(hash(_col2)), sum(hash(_col3))
-                          mode: hash
-                          outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            sort order: 
-                            Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                            value expressions: _col0 (type: bigint), _col1 (type: bigint)
-            Local Work:
-              Map Reduce Local Work
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: string)
         Reducer 2 
             Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                condition expressions:
+                  0 
+                  1 {KEY.reducesinkkey0} {VALUE._col0}
+                outputColumnNames: _col2, _col3
+                Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(hash(_col2)), sum(hash(_col3))
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint), _col1 (type: bigint)
+        Reducer 3 
+            Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1)
                 mode: mergepartial
@@ -754,81 +676,73 @@ ON (x.key = Y.key and substring(x.value,
 SELECT sum(hash(Y.key)), sum(hash(Y.value))
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 3 
+        Map 1 
             Map Operator Tree:
                 TableScan
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: (key is not null and (substring(value, 5) + 1) is not null) (type: boolean)
+                    predicate: (key is not null and UDFToDouble(substring(value, 5)) is not null) (type: boolean)
                     Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
-                      Spark HashTable Sink Operator
-                        condition expressions:
-                          0 
-                          1 {_col1}
-                        keys:
-                          0 _col0 (type: string), UDFToDouble(substring(_col1, 5)) (type: double)
-                          1 _col0 (type: string), (substring(_col1, 5) + 1) (type: double)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), UDFToDouble(substring(_col1, 5)) (type: double)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), UDFToDouble(substring(_col1, 5)) (type: double)
+                        Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+        Map 4 
             Map Operator Tree:
                 TableScan
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: (key is not null and UDFToDouble(substring(value, 5)) is not null) (type: boolean)
+                    predicate: (key is not null and (substring(value, 5) + 1) is not null) (type: boolean)
                     Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string), value (type: string)
                       outputColumnNames: _col0, _col1
                       Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        condition expressions:
-                          0 
-                          1 {_col0} {_col1}
-                        keys:
-                          0 _col0 (type: string), UDFToDouble(substring(_col1, 5)) (type: double)
-                          1 _col0 (type: string), (substring(_col1, 5) + 1) (type: double)
-                        outputColumnNames: _col2, _col3
-                        input vertices:
-                          1 Map 3
-                        Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: sum(hash(_col2)), sum(hash(_col3))
-                          mode: hash
-                          outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            sort order: 
-                            Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                            value expressions: _col0 (type: bigint), _col1 (type: bigint)
-            Local Work:
-              Map Reduce Local Work
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), (substring(_col1, 5) + 1) (type: double)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), (substring(_col1, 5) + 1) (type: double)
+                        Statistics: Num rows: 125 Data size: 1328 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: string)
         Reducer 2 
             Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                condition expressions:
+                  0 
+                  1 {KEY.reducesinkkey0} {VALUE._col0}
+                outputColumnNames: _col2, _col3
+                Statistics: Num rows: 137 Data size: 1460 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(hash(_col2)), sum(hash(_col3))
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint), _col1 (type: bigint)
+        Reducer 3 
+            Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1)
                 mode: mergepartial
@@ -894,110 +808,92 @@ JOIN
 ON src1.c1 = src3.c5 AND src3.c5 < 80
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3), Map 5 (PARTITION-LEVEL SORT, 3)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 3 
+        Map 1 
             Map Operator Tree:
                 TableScan
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: (((key < 100) and (key < 80)) and key is not null) (type: boolean)
-                    Statistics: Num rows: 28 Data size: 297 Basic stats: COMPLETE Column stats: NONE
+                    predicate: ((key < 80) and (key < 100)) (type: boolean)
+                    Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 28 Data size: 297 Basic stats: COMPLETE Column stats: NONE
-                      Spark HashTable Sink Operator
-                        condition expressions:
-                          0 {_col0}
-                          1 {_col1}
-                          2 
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                          2 _col0 (type: string)
-            Local Work:
-              Map Reduce Local Work
+                      expressions: key (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
         Map 4 
             Map Operator Tree:
                 TableScan
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: ((key < 100) and (key < 80)) (type: boolean)
-                    Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
+                    predicate: (((key < 100) and (key < 80)) and key is not null) (type: boolean)
+                    Statistics: Num rows: 28 Data size: 297 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
-                      Spark HashTable Sink Operator
-                        condition expressions:
-                          0 {_col0}
-                          1 {_col1}
-                          2 
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                          2 _col0 (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-      Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                      expressions: key (type: string), value (type: string)
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 28 Data size: 297 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 28 Data size: 297 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col1 (type: string)
+        Map 5 
             Map Operator Tree:
                 TableScan
                   alias: src
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
-                    predicate: ((key < 80) and (key < 100)) (type: boolean)
+                    predicate: ((key < 100) and (key < 80)) (type: boolean)
                     Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
                     Select Operator
                       expressions: key (type: string)
                       outputColumnNames: _col0
                       Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                             Inner Join 0 to 2
-                        condition expressions:
-                          0 {_col0}
-                          1 {_col1}
-                          2 
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                          2 _col0 (type: string)
-                        outputColumnNames: _col0, _col3
-                        input vertices:
-                          1 Map 3
-                          2 Map 4
-                        Statistics: Num rows: 121 Data size: 1284 Basic stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: sum(hash(_col0)), sum(hash(_col3))
-                          mode: hash
-                          outputColumnNames: _col0, _col1
-                          Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            sort order: 
-                            Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                            value expressions: _col0 (type: bigint), _col1 (type: bigint)
-            Local Work:
-              Map Reduce Local Work
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 55 Data size: 584 Basic stats: COMPLETE Column stats: NONE
         Reducer 2 
             Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                     Inner Join 0 to 2
+                condition expressions:
+                  0 {KEY.reducesinkkey0}
+                  1 {VALUE._col0}
+                  2 
+                outputColumnNames: _col0, _col3
+                Statistics: Num rows: 121 Data size: 1284 Basic stats: COMPLETE Column stats: NONE
+                Group By Operator
+                  aggregations: sum(hash(_col0)), sum(hash(_col3))
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint), _col1 (type: bigint)
+        Reducer 3 
+            Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1)
                 mode: mergepartial
@@ -1053,34 +949,15 @@ POSTHOOK: query: EXPLAIN
 SELECT /*+ mapjoin(v)*/ sum(hash(k.key)), sum(hash(v.val)) FROM T1 k LEFT OUTER JOIN T1 v ON k.key+1=v.key
 POSTHOOK: type: QUERY
 STAGE DEPENDENCIES:
-  Stage-2 is a root stage
-  Stage-1 depends on stages: Stage-2
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
 
 STAGE PLANS:
-  Stage: Stage-2
-    Spark
-#### A masked pattern was here ####
-      Vertices:
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: v
-                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
-                  Spark HashTable Sink Operator
-                    condition expressions:
-                      0 {key}
-                      1 {val}
-                    keys:
-                      0 (key + 1) (type: double)
-                      1 UDFToDouble(key) (type: double)
-            Local Work:
-              Map Reduce Local Work
-
   Stage: Stage-1
     Spark
       Edges:
-        Reducer 2 <- Map 1 (GROUP, 1)
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 3), Map 4 (PARTITION-LEVEL SORT, 3)
+        Reducer 3 <- Reducer 2 (GROUP, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
@@ -1088,32 +965,44 @@ STAGE PLANS:
                 TableScan
                   alias: k
                   Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
-                  Map Join Operator
-                    condition map:
-                         Left Outer Join0 to 1
-                    condition expressions:
-                      0 {key}
-                      1 {val}
-                    keys:
-                      0 (key + 1) (type: double)
-                      1 UDFToDouble(key) (type: double)
-                    outputColumnNames: _col0, _col6
-                    input vertices:
-                      1 Map 3
-                    Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
-                    Group By Operator
-                      aggregations: sum(hash(_col0)), sum(hash(_col6))
-                      mode: hash
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        sort order: 
-                        Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col0 (type: bigint), _col1 (type: bigint)
-            Local Work:
-              Map Reduce Local Work
+                  Reduce Output Operator
+                    key expressions: (key + 1) (type: double)
+                    sort order: +
+                    Map-reduce partition columns: (key + 1) (type: double)
+                    Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                    value expressions: key (type: string)
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: v
+                  Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                  Reduce Output Operator
+                    key expressions: UDFToDouble(key) (type: double)
+                    sort order: +
+                    Map-reduce partition columns: UDFToDouble(key) (type: double)
+                    Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+                    value expressions: val (type: string)
         Reducer 2 
             Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Left Outer Join0 to 1
+                condition expressions:
+                  0 {VALUE._col0}
+                  1 {VALUE._col1}
+                outputColumnNames: _col0, _col6
+                Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
+                Group By Operator
+                  aggregations: sum(hash(_col0)), sum(hash(_col6))
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                  Reduce Output Operator
+                    sort order: 
+                    Statistics: Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE
+                    value expressions: _col0 (type: bigint), _col1 (type: bigint)
+        Reducer 3 
+            Reduce Operator Tree:
               Group By Operator
                 aggregations: sum(VALUE._col0), sum(VALUE._col1)
                 mode: mergepartial

Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin_noskew.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin_noskew.q.out?rev=1642997&r1=1642996&r2=1642997&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin_noskew.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoin_noskew.q.out Tue Dec  2 19:57:10 2014
@@ -5,71 +5,63 @@ POSTHOOK: query: explain
 create table noskew as select a.* from src a join src b on a.key=b.key order by a.key limit 30
 POSTHOOK: type: CREATETABLE_AS_SELECT
 STAGE DEPENDENCIES:
-  Stage-3 is a root stage
-  Stage-1 depends on stages: Stage-3
+  Stage-1 is a root stage
   Stage-0 depends on stages: Stage-1
-  Stage-4 depends on stages: Stage-0
-  Stage-2 depends on stages: Stage-4
+  Stage-3 depends on stages: Stage-0
+  Stage-2 depends on stages: Stage-3
 
 STAGE PLANS:
-  Stage: Stage-3
+  Stage: Stage-1
     Spark
+      Edges:
+        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
+        Reducer 3 <- Reducer 2 (SORT, 1)
 #### A masked pattern was here ####
       Vertices:
-        Map 3 
+        Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: b
+                  alias: a
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                    Spark HashTable Sink Operator
-                      condition expressions:
-                        0 {key} {value}
-                        1 
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-            Local Work:
-              Map Reduce Local Work
-
-  Stage: Stage-1
-    Spark
-      Edges:
-        Reducer 2 <- Map 1 (SORT, 1)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
+                    Reduce Output Operator
+                      key expressions: key (type: string)
+                      sort order: +
+                      Map-reduce partition columns: key (type: string)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: value (type: string)
+        Map 4 
             Map Operator Tree:
                 TableScan
-                  alias: a
+                  alias: b
                   Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      condition expressions:
-                        0 {key} {value}
-                        1 
-                      keys:
-                        0 key (type: string)
-                        1 key (type: string)
-                      outputColumnNames: _col0, _col1
-                      input vertices:
-                        1 Map 3
-                      Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string)
-            Local Work:
-              Map Reduce Local Work
+                    Reduce Output Operator
+                      key expressions: key (type: string)
+                      sort order: +
+                      Map-reduce partition columns: key (type: string)
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
         Reducer 2 
             Reduce Operator Tree:
+              Join Operator
+                condition map:
+                     Inner Join 0 to 1
+                condition expressions:
+                  0 {KEY.reducesinkkey0} {VALUE._col0}
+                  1 
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                Reduce Output Operator
+                  key expressions: _col0 (type: string)
+                  sort order: +
+                  Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+                  value expressions: _col1 (type: string)
+        Reducer 3 
+            Reduce Operator Tree:
               Select Operator
                 expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 (type: string)
                 outputColumnNames: _col0, _col1
@@ -92,7 +84,7 @@ STAGE PLANS:
           hdfs directory: true
 #### A masked pattern was here ####
 
-  Stage: Stage-4
+  Stage: Stage-3
       Create Table Operator:
         Create Table
           columns: key string, value string



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