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Posted to commits@hive.apache.org by se...@apache.org on 2015/09/18 21:55:04 UTC

[1/3] hive git commit: HIVE-11868 : LLAP: Fix unionDistinct_1.q and union_view.q (Sergey Shelukhin)

Repository: hive
Updated Branches:
  refs/heads/llap 9ddfc184d -> 79c70311f


http://git-wip-us.apache.org/repos/asf/hive/blob/79c70311/ql/src/test/results/clientpositive/llap/union_view.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/union_view.q.out b/ql/src/test/results/clientpositive/llap/union_view.q.out
new file mode 100644
index 0000000..88fca53
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/union_view.q.out
@@ -0,0 +1,1209 @@
+PREHOOK: query: CREATE TABLE src_union_1 (key int, value string) PARTITIONED BY (ds string)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@src_union_1
+POSTHOOK: query: CREATE TABLE src_union_1 (key int, value string) PARTITIONED BY (ds string)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@src_union_1
+PREHOOK: query: CREATE INDEX src_union_1_key_idx ON TABLE src_union_1(key) AS 'COMPACT' WITH DEFERRED REBUILD
+PREHOOK: type: CREATEINDEX
+PREHOOK: Input: default@src_union_1
+POSTHOOK: query: CREATE INDEX src_union_1_key_idx ON TABLE src_union_1(key) AS 'COMPACT' WITH DEFERRED REBUILD
+POSTHOOK: type: CREATEINDEX
+POSTHOOK: Input: default@src_union_1
+POSTHOOK: Output: default@default__src_union_1_src_union_1_key_idx__
+PREHOOK: query: CREATE TABLE src_union_2 (key int, value string) PARTITIONED BY (ds string, part_1 string)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@src_union_2
+POSTHOOK: query: CREATE TABLE src_union_2 (key int, value string) PARTITIONED BY (ds string, part_1 string)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@src_union_2
+PREHOOK: query: CREATE INDEX src_union_2_key_idx ON TABLE src_union_2(key) AS 'COMPACT' WITH DEFERRED REBUILD
+PREHOOK: type: CREATEINDEX
+PREHOOK: Input: default@src_union_2
+POSTHOOK: query: CREATE INDEX src_union_2_key_idx ON TABLE src_union_2(key) AS 'COMPACT' WITH DEFERRED REBUILD
+POSTHOOK: type: CREATEINDEX
+POSTHOOK: Input: default@src_union_2
+POSTHOOK: Output: default@default__src_union_2_src_union_2_key_idx__
+PREHOOK: query: CREATE TABLE src_union_3(key int, value string) PARTITIONED BY (ds string, part_1 string, part_2 string)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@src_union_3
+POSTHOOK: query: CREATE TABLE src_union_3(key int, value string) PARTITIONED BY (ds string, part_1 string, part_2 string)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@src_union_3
+PREHOOK: query: CREATE INDEX src_union_3_key_idx ON TABLE src_union_3(key) AS 'COMPACT' WITH DEFERRED REBUILD
+PREHOOK: type: CREATEINDEX
+PREHOOK: Input: default@src_union_3
+POSTHOOK: query: CREATE INDEX src_union_3_key_idx ON TABLE src_union_3(key) AS 'COMPACT' WITH DEFERRED REBUILD
+POSTHOOK: type: CREATEINDEX
+POSTHOOK: Input: default@src_union_3
+POSTHOOK: Output: default@default__src_union_3_src_union_3_key_idx__
+STAGE DEPENDENCIES:
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        TableScan
+          alias: src_union_1
+          filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
+          Filter Operator
+            predicate: (key = 86) (type: boolean)
+            Select Operator
+              expressions: 86 (type: int), value (type: string), '1' (type: string)
+              outputColumnNames: _col0, _col1, _col2
+              ListSink
+
+STAGE DEPENDENCIES:
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        TableScan
+          alias: src_union_2
+          filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
+          Filter Operator
+            predicate: (key = 86) (type: boolean)
+            Select Operator
+              expressions: 86 (type: int), value (type: string), '2' (type: string)
+              outputColumnNames: _col0, _col1, _col2
+              ListSink
+
+STAGE DEPENDENCIES:
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        TableScan
+          alias: src_union_3
+          filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
+          Filter Operator
+            predicate: (key = 86) (type: boolean)
+            Select Operator
+              expressions: 86 (type: int), value (type: string), '3' (type: string)
+              outputColumnNames: _col0, _col1, _col2
+              ListSink
+
+86	val_86	1
+86	val_86	2
+86	val_86	2
+86	val_86	3
+86	val_86	3
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: (ds = '1') (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: (ds = '2') (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: (ds = '3') (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+      limit: -1
+      Processor Tree:
+        ListSink
+
+500
+1000
+1000
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 3 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '1')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: ((key = 86) and (ds = '1')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '1')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '1' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 3 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '2')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: ((key = 86) and (ds = '2')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '2')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '2' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 3 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '3')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '3')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: ((key = 86) and (ds = '3')) (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '3' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 502 Data size: 5312 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
+            Execution mode: llap
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Map 5 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: ((key = 86) and ds is not null) (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string), ds (type: string)
+                      outputColumnNames: _col1, _col2
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: _col1 (type: string), _col2 (type: string)
+                        outputColumnNames: _col1, _col2
+                        Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col2 (type: string)
+                          sort order: +
+                          Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: string)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: ((key = 86) and ds is not null) (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string), ds (type: string)
+                      outputColumnNames: _col1, _col2
+                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: _col1 (type: string), _col2 (type: string)
+                        outputColumnNames: _col1, _col2
+                        Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col2 (type: string)
+                          sort order: +
+                          Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: string)
+            Execution mode: llap
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: ((key = 86) and ds is not null) (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string), ds (type: string)
+                      outputColumnNames: _col1, _col2
+                      Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: _col1 (type: string), _col2 (type: string)
+                        outputColumnNames: _col1, _col2
+                        Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          key expressions: _col2 (type: string)
+                          sort order: +
+                          Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col1 (type: string)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Select Operator
+                expressions: 86 (type: int), VALUE._col1 (type: string), KEY.reducesinkkey0 (type: string)
+                outputColumnNames: _col0, _col1, _col2
+                Statistics: Num rows: 1250 Data size: 13280 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1250 Data size: 13280 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+86	val_86	1
+86	val_86	2
+86	val_86	2
+86	val_86	3
+86	val_86	3
+86	val_86	1
+86	val_86	2
+86	val_86	2
+86	val_86	3
+86	val_86	3
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Map 5 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: (ds = '1') (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: '1' (type: string)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: (ds = '1') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '1') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '1' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: (ds = '1') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '1') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '1' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Map 5 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: (ds = '2') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '2') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '2' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: (ds = '2') (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: '2' (type: string)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: (ds = '2') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '2') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '2' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Map 5 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: (ds = '3') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '3') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '3' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: (ds = '3') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '3') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '3' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: (ds = '3') (type: boolean)
+                  Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: '3' (type: string)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      Statistics: Num rows: 1002 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+500
+1000
+1000
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 3 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: ((key = 86) and (ds = '4')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '4')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: ((key = 86) and (ds = '4')) (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: ((key = 86) and (ds = '4')) (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: ((key = 86) and (ds = '4')) (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Filter Operator
+                    predicate: (key = 86) (type: boolean)
+                    Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      expressions: value (type: string)
+                      outputColumnNames: _col1
+                      Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                      Select Operator
+                        expressions: 86 (type: int), _col1 (type: string), '4' (type: string)
+                        outputColumnNames: _col0, _col1, _col2
+                        Statistics: Num rows: 252 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+                        File Output Operator
+                          compressed: false
+                          Statistics: Num rows: 252 Data size: 2656 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
+            Execution mode: llap
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+86	val_86	4
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Map 5 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_1
+                  filterExpr: (ds = '4') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '4') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '4' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_2
+                  filterExpr: (ds = '4') (type: boolean)
+                  Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                  Filter Operator
+                    predicate: (ds = '4') (type: boolean)
+                    Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                    Select Operator
+                      expressions: '4' (type: string)
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 0 Basic stats: PARTIAL Column stats: NONE
+                      Select Operator
+                        Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                        Group By Operator
+                          aggregations: count(1)
+                          mode: hash
+                          outputColumnNames: _col0
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          Reduce Output Operator
+                            sort order: 
+                            Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                            value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: src_union_3
+                  filterExpr: (ds = '4') (type: boolean)
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: '4' (type: string)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Select Operator
+                      Statistics: Num rows: 502 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                        Reduce Output Operator
+                          sort order: 
+                          Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                          value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 1 Data size: 8 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+500


[3/3] hive git commit: HIVE-11868 : LLAP: Fix unionDistinct_1.q and union_view.q (Sergey Shelukhin)

Posted by se...@apache.org.
HIVE-11868 : LLAP: Fix unionDistinct_1.q and union_view.q (Sergey Shelukhin)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/79c70311
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/79c70311
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/79c70311

Branch: refs/heads/llap
Commit: 79c70311f6ed2a2aa9c978802e82ee265c423cef
Parents: 9ddfc18
Author: Sergey Shelukhin <se...@apache.org>
Authored: Fri Sep 18 12:52:02 2015 -0700
Committer: Sergey Shelukhin <se...@apache.org>
Committed: Fri Sep 18 12:52:02 2015 -0700

----------------------------------------------------------------------
 .../clientpositive/llap/unionDistinct_1.q.out   | 16421 +++++++++++++++++
 .../clientpositive/llap/union_view.q.out        |  1209 ++
 2 files changed, 17630 insertions(+)
----------------------------------------------------------------------



[2/3] hive git commit: HIVE-11868 : LLAP: Fix unionDistinct_1.q and union_view.q (Sergey Shelukhin)

Posted by se...@apache.org.
http://git-wip-us.apache.org/repos/asf/hive/blob/79c70311/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out b/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
new file mode 100644
index 0000000..c18b460
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/unionDistinct_1.q.out
@@ -0,0 +1,16421 @@
+PREHOOK: query: -- union10.q
+
+ 
+
+-- union case: all subqueries are a map-reduce jobs, 3 way union, same input for all sub-queries, followed by filesink
+
+create table tmptable(key string, value int)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tmptable
+POSTHOOK: query: -- union10.q
+
+ 
+
+-- union case: all subqueries are a map-reduce jobs, 3 way union, same input for all sub-queries, followed by filesink
+
+create table tmptable(key string, value int)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tmptable
+PREHOOK: query: explain 
+insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: explain 
+insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1
+  Stage-0 depends on stages: Stage-2
+  Stage-3 depends on stages: Stage-0
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 10 <- Map 9 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 6 <- Union 5 (SIMPLE_EDGE)
+        Reducer 8 <- Map 7 (SIMPLE_EDGE), Union 3 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 7 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 9 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 10 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst3' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst1' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 4 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Group By Operator
+                  keys: _col0 (type: string), _col1 (type: bigint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string), _col1 (type: bigint)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 6 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: _col0 (type: string), UDFToInteger(_col1) (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 92 Basic stats: COMPLETE Column stats: COMPLETE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 1 Data size: 92 Basic stats: COMPLETE Column stats: COMPLETE
+                    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.tmptable
+        Reducer 8 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst2' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Union 3 
+            Vertex: Union 3
+        Union 5 
+            Vertex: Union 5
+
+  Stage: Stage-2
+    Dependency Collection
+
+  Stage: Stage-0
+    Move Operator
+      tables:
+          replace: true
+          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.tmptable
+
+  Stage: Stage-3
+    Stats-Aggr Operator
+
+PREHOOK: query: insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Output: default@tmptable
+POSTHOOK: query: insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Output: default@tmptable
+POSTHOOK: Lineage: tmptable.key EXPRESSION []
+POSTHOOK: Lineage: tmptable.value EXPRESSION []
+PREHOOK: query: select * from tmptable x sort by x.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmptable
+#### A masked pattern was here ####
+POSTHOOK: query: select * from tmptable x sort by x.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmptable
+#### A masked pattern was here ####
+tst1	500
+tst2	500
+tst3	500
+PREHOOK: query: -- union11.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: all subqueries are a map-reduce jobs, 3 way union, same input for all sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union11.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: all subqueries are a map-reduce jobs, 3 way union, same input for all sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 10 <- Map 9 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 6 <- Union 5 (SIMPLE_EDGE)
+        Reducer 8 <- Map 7 (SIMPLE_EDGE), Union 3 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 7 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 9 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 10 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst3' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst1' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 4 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Group By Operator
+                  keys: _col0 (type: string), _col1 (type: bigint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string), _col1 (type: bigint)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 6 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: _col0 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count(1)
+                    keys: _col0 (type: string)
+                    mode: complete
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    File Output Operator
+                      compressed: false
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 8 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst2' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Union 3 
+            Vertex: Union 3
+        Union 5 
+            Vertex: Union 5
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+#### A masked pattern was here ####
+POSTHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from src s3) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+#### A masked pattern was here ####
+tst1	1
+tst2	1
+tst3	1
+PREHOOK: query: -- union12.q
+
+ 
+
+-- union case: all subqueries are a map-reduce jobs, 3 way union, different inputs for all sub-queries, followed by filesink
+
+create table tmptable12(key string, value int)
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tmptable12
+POSTHOOK: query: -- union12.q
+
+ 
+
+-- union case: all subqueries are a map-reduce jobs, 3 way union, different inputs for all sub-queries, followed by filesink
+
+create table tmptable12(key string, value int)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tmptable12
+PREHOOK: query: explain 
+insert overwrite table tmptable12
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src1 s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from srcbucket s3) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: explain 
+insert overwrite table tmptable12
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src1 s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from srcbucket s3) unionsrc
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-2 depends on stages: Stage-1
+  Stage-0 depends on stages: Stage-2
+  Stage-3 depends on stages: Stage-0
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 10 <- Map 9 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 6 <- Union 5 (SIMPLE_EDGE)
+        Reducer 8 <- Map 7 (SIMPLE_EDGE), Union 3 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 7 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 9 
+            Map Operator Tree:
+                TableScan
+                  alias: s3
+                  Statistics: Num rows: 1000 Data size: 10603 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 1000 Data size: 10603 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 10 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst3' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst1' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 4 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Group By Operator
+                  keys: _col0 (type: string), _col1 (type: bigint)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string), _col1 (type: bigint)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Reducer 6 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: bigint)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: _col0 (type: string), UDFToInteger(_col1) (type: int)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 92 Basic stats: COMPLETE Column stats: COMPLETE
+                  File Output Operator
+                    compressed: false
+                    Statistics: Num rows: 1 Data size: 92 Basic stats: COMPLETE Column stats: COMPLETE
+                    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.tmptable12
+        Reducer 8 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst2' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: bigint)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: bigint)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: bigint)
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+        Union 3 
+            Vertex: Union 3
+        Union 5 
+            Vertex: Union 5
+
+  Stage: Stage-2
+    Dependency Collection
+
+  Stage: Stage-0
+    Move Operator
+      tables:
+          replace: true
+          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.tmptable12
+
+  Stage: Stage-3
+    Stats-Aggr Operator
+
+PREHOOK: query: insert overwrite table tmptable12
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src1 s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from srcbucket s3) unionsrc
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Input: default@srcbucket
+PREHOOK: Output: default@tmptable12
+POSTHOOK: query: insert overwrite table tmptable12
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, count(1) as value from src s1
+                                        UNION DISTINCT  
+                                            select 'tst2' as key, count(1) as value from src1 s2
+                                        UNION DISTINCT
+                                            select 'tst3' as key, count(1) as value from srcbucket s3) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Input: default@srcbucket
+POSTHOOK: Output: default@tmptable12
+POSTHOOK: Lineage: tmptable12.key EXPRESSION []
+POSTHOOK: Lineage: tmptable12.value EXPRESSION []
+PREHOOK: query: select * from tmptable12 x sort by x.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmptable12
+#### A masked pattern was here ####
+POSTHOOK: query: select * from tmptable12 x sort by x.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmptable12
+#### A masked pattern was here ####
+tst1	500
+tst2	25
+tst3	1000
+PREHOOK: query: -- union13.q
+
+-- SORT_BEFORE_DIFF
+-- union case: both subqueries are a map-only jobs, same input, followed by filesink
+
+explain 
+  select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src s2) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union13.q
+
+-- SORT_BEFORE_DIFF
+-- union case: both subqueries are a map-only jobs, same input, followed by filesink
+
+explain 
+  select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src s2) unionsrc
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                File Output Operator
+                  compressed: false
+                  Statistics: Num rows: 500 Data size: 5312 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
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION DISTINCT  
+                                          select s2.key as key, s2.value as value from src s2) unionsrc
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+#### A masked pattern was here ####
+POSTHOOK: query: select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION DISTINCT  
+                                          select s2.key as key, s2.value as value from src s2) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+#### A masked pattern was here ####
+0	val_0
+10	val_10
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+12	val_12
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+468	val_468
+469	val_469
+47	val_47
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+472	val_472
+475	val_475
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+478	val_478
+479	val_479
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+483	val_483
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+487	val_487
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+495	val_495
+496	val_496
+497	val_497
+498	val_498
+5	val_5
+51	val_51
+53	val_53
+54	val_54
+57	val_57
+58	val_58
+64	val_64
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+69	val_69
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+9	val_9
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+92	val_92
+95	val_95
+96	val_96
+97	val_97
+98	val_98
+PREHOOK: query: -- union14.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                      select 'tst1' as key, cast(count(1) as string) as value from src s1) 
+  unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union14.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                      select 'tst1' as key, cast(count(1) as string) as value from src s1) 
+  unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE)
+        Reducer 5 <- Map 4 (SIMPLE_EDGE), Union 2 (CONTAINS)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+            Execution mode: llap
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Reducer 3 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: _col0 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    aggregations: count(1)
+                    keys: _col0 (type: string)
+                    mode: complete
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                    File Output Operator
+                      compressed: false
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 5 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst1' (type: string), UDFToString(_col0) (type: string)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: string)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: string)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string)
+                      Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select unionsrc.key, count(1) FROM (select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                      select 'tst1' as key, cast(count(1) as string) as value from src s1) 
+  unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select unionsrc.key, count(1) FROM (select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                      select 'tst1' as key, cast(count(1) as string) as value from src s1) 
+  unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+	7
+128	1
+146	1
+150	1
+213	1
+224	1
+238	1
+255	1
+273	1
+278	1
+311	1
+369	1
+401	1
+406	1
+66	1
+98	1
+tst1	1
+PREHOOK: query: -- union15.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                            select s3.key as key, s3.value as value from src1 s3) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union15.q
+
+ 
+-- SORT_BEFORE_DIFF
+-- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by reducesink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                            select s3.key as key, s3.value as value from src1 s3) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 7 <- Union 3 (CONTAINS)
+        Map 8 <- Union 5 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE), Union 5 (CONTAINS)
+        Reducer 6 <- Union 5 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
+                    Group By Operator
+                      aggregations: count(1)
+                      mode: hash
+                      outputColumnNames: _col0
+                      Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                        value expressions: _col0 (type: bigint)
+            Execution mode: llap
+        Map 7 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+            Execution mode: llap
+        Map 8 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 25 Data size: 191 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string)
+                        Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+            Execution mode: llap
+        Reducer 2 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: 'tst1' (type: string), UDFToString(_col0) (type: string)
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: COMPLETE
+                  Group By Operator
+                    keys: _col0 (type: string), _col1 (type: string)
+                    mode: hash
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                    Reduce Output Operator
+                      key expressions: _col0 (type: string), _col1 (type: string)
+                      sort order: ++
+                      Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                      Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+        Reducer 4 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                Group By Operator
+                  keys: _col0 (type: string), _col1 (type: string)
+                  mode: hash
+                  outputColumnNames: _col0, _col1
+                  Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                  Reduce Output Operator
+                    key expressions: _col0 (type: string), _col1 (type: string)
+                    sort order: ++
+                    Map-reduce partition columns: _col0 (type: string)
+                    Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+        Reducer 6 
+            Execution mode: uber
+            Reduce Operator Tree:
+              Group By Operator
+                keys: KEY._col0 (type: string), KEY._col1 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                Select Operator
+                  expressions: _col0 (type: string)
+                  outputColumnNames: _col0
+                  Statistics: Num rows: 1 Data size: 272 Basic stats: COMPLETE Column stats: PARTIAL
+                  Group By Operator
+                    aggregations: count(1)
+                    keys: _col0 (type: string)
+                    mode: complete
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                    File Output Operator
+                      compressed: false
+                      Statistics: Num rows: 1 Data size: 96 Basic stats: COMPLETE Column stats: PARTIAL
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Union 3 
+            Vertex: Union 3
+        Union 5 
+            Vertex: Union 5
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+      Processor Tree:
+        ListSink
+
+PREHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                            select s3.key as key, s3.value as value from src1 s3) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+#### A masked pattern was here ####
+POSTHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION DISTINCT  
+                                            select s2.key as key, s2.value as value from src1 s2
+                                        UNION DISTINCT  
+                                            select s3.key as key, s3.value as value from src1 s3) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+	7
+128	1
+146	1
+150	1
+213	1
+224	1
+238	1
+255	1
+273	1
+278	1
+311	1
+369	1
+401	1
+406	1
+66	1
+98	1
+tst1	1
+PREHOOK: query: -- union16.q
+
+-- SORT_BEFORE_DIFF
+EXPLAIN
+SELECT count(1) FROM (
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src) src
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union16.q
+
+-- SORT_BEFORE_DIFF
+EXPLAIN
+SELECT count(1) FROM (
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src UNION DISTINCT
+  SELECT key, value FROM src) src
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 51 <- Union 2 (CONTAINS)
+        Map 52 <- Union 4 (CONTAINS)
+        Map 53 <- Union 6 (CONTAINS)
+        Map 54 <- Union 8 (CONTAINS)
+        Map 55 <- Union 10 (CONTAINS)
+        Map 56 <- Union 12 (CONTAINS)
+        Map 57 <- Union 14 (CONTAINS)
+        Map 58 <- Union 16 (CONTAINS)
+        Map 59 <- Union 18 (CONTAINS)
+        Map 60 <- Union 20 (CONTAINS)
+        Map 61 <- Union 22 (CONTAINS)
+        Map 62 <- Union 24 (CONTAINS)
+        Map 63 <- Union 26 (CONTAINS)
+        Map 64 <- Union 28 (CONTAINS)
+        Map 65 <- Union 30 (CONTAINS)
+        Map 66 <- Union 32 (CONTAINS)
+        Map 67 <- Union 34 (CONTAINS)
+        Map 68 <- Union 36 (CONTAINS)
+        Map 69 <- Union 38 (CONTAINS)
+        Map 70 <- Union 40 (CONTAINS)
+        Map 71 <- Union 42 (CONTAINS)
+        Map 72 <- Union 44 (CONTAINS)
+        Map 73 <- Union 46 (CONTAINS)
+        Map 74 <- Union 48 (CONTAINS)
+        Reducer 11 <- Union 10 (SIMPLE_EDGE), Union 12 (CONTAINS)
+        Reducer 13 <- Union 12 (SIMPLE_EDGE), Union 14 (CONTAINS)
+        Reducer 15 <- Union 14 (SIMPLE_EDGE), Union 16 (CONTAINS)
+        Reducer 17 <- Union 16 (SIMPLE_EDGE), Union 18 (CONTAINS)
+        Reducer 19 <- Union 18 (SIMPLE_EDGE), Union 20 (CONTAINS)
+        Reducer 21 <- Union 20 (SIMPLE_EDGE), Union 22 (CONTAINS)
+        Reducer 23 <- Union 22 (SIMPLE_EDGE), Union 24 (CONTAINS)
+        Reducer 25 <- Union 24 (SIMPLE_EDGE), Union 26 (CONTAINS)
+        Reducer 27 <- Union 26 (SIMPLE_EDGE), Union 28 (CONTAINS)
+        Reducer 29 <- Union 28 (SIMPLE_EDGE), Union 30 (CONTAINS)
+        Reducer 3 <- Union 2 (SIMPLE_EDGE), Union 4 (CONTAINS)
+        Reducer 31 <- Union 30 (SIMPLE_EDGE), Union 32 (CONTAINS)
+        Reducer 33 <- Union 32 (SIMPLE_EDGE), Union 34 (CONTAINS)
+        Reducer 35 <- Union 34 (SIMPLE_EDGE), Union 36 (CONTAINS)
+        Reducer 37 <- Union 36 (SIMPLE_EDGE), Union 38 (CONTAINS)
+        Reducer 39 <- Union 38 (SIMPLE_EDGE), Union 40 (CONTAINS)
+        Reducer 41 <- Union 40 (SIMPLE_EDGE), Union 42 (CONTAINS)
+        Reducer 43 <- Union 42 (SIMPLE_EDGE), Union 44 (CONTAINS)
+        Reducer 45 <- Union 44 (SIMPLE_EDGE), Union 46 (CONTAINS)
+        Reducer 47 <- Union 46 (SIMPLE_EDGE), Union 48 (CONTAINS)
+        Reducer 49 <- Union 48 (SIMPLE_EDGE)
+        Reducer 5 <- Union 4 (SIMPLE_EDGE), Union 6 (CONTAINS)
+        Reducer 50 <- Reducer 49 (SIMPLE_EDGE)
+        Reducer 7 <- Union 6 (SIMPLE_EDGE), Union 8 (CONTAINS)
+        Reducer 9 <- Union 10 (CONTAINS), Union 8 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 51 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 52 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 53 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 54 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 55 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 56 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 57 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 58 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 59 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 60 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 61 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 62 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 63 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 64 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+            Execution mode: llap
+        Map 65 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+                    Group By Operator
+                      keys: _col0 (type: string), _col1 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string), _col1 (type: string)
+                        sort order: ++
+                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
+                        Statistics: Num rows: 1000 Data size:

<TRUNCATED>