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From xu...@apache.org
Subject svn commit: r1646998 [6/8] - in /hive/branches/spark: itests/src/test/resources/ ql/src/java/org/apache/hadoop/hive/ql/optimizer/spark/ ql/src/java/org/apache/hadoop/hive/ql/parse/spark/ ql/src/test/results/clientpositive/spark/
Date Sat, 20 Dec 2014 14:55:14 GMT
Modified: hive/branches/spark/ql/src/test/results/clientpositive/spark/smb_mapjoin_4.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/smb_mapjoin_4.q.out?rev=1646998&r1=1646997&r2=1646998&view=diff
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/smb_mapjoin_4.q.out (original)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/smb_mapjoin_4.q.out Sat Dec 20 14:55:13 2014
@@ -63,75 +63,41 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   Stage: Stage-1
     Spark
-      Edges:
-        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 1), Map 3 (PARTITION-LEVEL SORT, 1), Map 4 (PARTITION-LEVEL SORT, 1)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 104 Basic stats: COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: int)
-                      sort order: +
-                      Map-reduce partition columns: key (type: int)
-                      Statistics: Num rows: 1 Data size: 104 Basic stats: COMPLETE Column stats: NONE
-                      value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: int)
-                      sort order: +
-                      Map-reduce partition columns: key (type: int)
-                      Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                      value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
                   Filter Operator
                     predicate: key is not null (type: boolean)
                     Statistics: Num rows: 1 Data size: 111 Basic stats: COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      key expressions: key (type: int)
-                      sort order: +
-                      Map-reduce partition columns: key (type: int)
-                      Statistics: Num rows: 1 Data size: 111 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
-                     Inner Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 2 Data size: 228 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
+                    Sorted Merge Bucket Map Join Operator
+                      condition map:
+                           Inner Join 0 to 1
+                           Inner Join 1 to 2
+                      condition expressions:
+                        0 {key} {value}
+                        1 {key} {value}
+                        2 {key} {value}
+                      keys:
+                        0 key (type: int)
+                        1 key (type: int)
+                        2 key (type: int)
+                      outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                      Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                        outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                        Statistics: Num rows: 2 Data size: 228 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 2 Data size: 228 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
 
   Stage: Stage-0
     Fetch Operator
@@ -164,66 +130,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Left Outer Join0 to 1
-                     Inner Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Left Outer Join0 to 1
+                         Inner Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -256,66 +194,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Left Outer Join0 to 1
-                     Left Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Left Outer Join0 to 1
+                         Left Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -353,66 +263,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Left Outer Join0 to 1
-                     Right Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Left Outer Join0 to 1
+                         Right Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -451,66 +333,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Left Outer Join0 to 1
-                     Outer Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Left Outer Join0 to 1
+                         Outer Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -554,66 +408,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                     Inner Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Right Outer Join0 to 1
+                         Inner Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -648,66 +474,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                     Left Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Right Outer Join0 to 1
+                         Left Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -744,66 +542,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                     Right Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Right Outer Join0 to 1
+                         Right Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -842,66 +612,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Right Outer Join0 to 1
-                     Outer Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Right Outer Join0 to 1
+                         Outer Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -942,66 +684,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Outer Join 0 to 1
-                     Inner Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Outer Join 0 to 1
+                         Inner Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -1036,66 +750,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Outer Join 0 to 1
-                     Left Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Outer Join 0 to 1
+                         Left Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -1137,66 +823,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Outer Join 0 to 1
-                     Right Outer Join1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Outer Join 0 to 1
+                         Right Outer Join1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator
@@ -1235,66 +893,38 @@ STAGE DEPENDENCIES:
 STAGE PLANS:
   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)
 #### A masked pattern was here ####
       Vertices:
         Map 1 
             Map Operator Tree:
                 TableScan
-                  alias: a
-                  Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 208 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 1 Data size: 206 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
                   alias: c
                   Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: key (type: int)
-                    sort order: +
-                    Map-reduce partition columns: key (type: int)
-                    Statistics: Num rows: 2 Data size: 222 Basic stats: COMPLETE Column stats: NONE
-                    value expressions: value (type: string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Join Operator
-                condition map:
-                     Outer Join 0 to 1
-                     Outer Join 1 to 2
-                condition expressions:
-                  0 {KEY.reducesinkkey0} {VALUE._col0}
-                  1 {KEY.reducesinkkey0} {VALUE._col0}
-                  2 {KEY.reducesinkkey0} {VALUE._col0}
-                outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
-                Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                Select Operator
-                  expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
-                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                  Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 4 Data size: 457 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
+                  Sorted Merge Bucket Map Join Operator
+                    condition map:
+                         Outer Join 0 to 1
+                         Outer Join 1 to 2
+                    condition expressions:
+                      0 {key} {value}
+                      1 {key} {value}
+                      2 {key} {value}
+                    keys:
+                      0 key (type: int)
+                      1 key (type: int)
+                      2 key (type: int)
+                    outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+                    Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string), _col10 (type: int), _col11 (type: string)
+                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+                      Statistics: Num rows: 4 Data size: 457 Basic stats: COMPLETE Column stats: NONE
+                      File Output Operator
+                        compressed: false
+                        Statistics: Num rows: 4 Data size: 457 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
 
   Stage: Stage-0
     Fetch Operator



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