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Posted to commits@hive.apache.org by gu...@apache.org on 2014/02/17 08:58:48 UTC

svn commit: r1568894 [3/3] - in /hive/branches/tez: itests/qtest/ ql/src/java/org/apache/hadoop/hive/ql/exec/ ql/src/java/org/apache/hadoop/hive/ql/exec/tez/ ql/src/java/org/apache/hadoop/hive/ql/exec/tez/tools/ ql/src/java/org/apache/hadoop/hive/ql/pa...

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union3.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union3.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union3.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union3.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,273 @@
+PREHOOK: query: explain
+SELECT *
+FROM (
+  SELECT 1 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 2 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 3 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+  UNION ALL
+  SELECT 4 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+) a
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+SELECT *
+FROM (
+  SELECT 1 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 2 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 3 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+  UNION ALL
+  SELECT 4 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+) a
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 10 <- Map 9 (SIMPLE_EDGE)
+        Reducer 11 <- Reducer 10 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 5 <- Map 4 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 7 <- Map 6 (SIMPLE_EDGE)
+        Reducer 8 <- Reducer 7 (SIMPLE_EDGE), Union 3 (CONTAINS)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                    Limit
+                      Number of rows: 1
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: string), _col1 (type: string)
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                    Limit
+                      Number of rows: 1
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: string), _col1 (type: string)
+        Map 6 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                    Limit
+                      Number of rows: 1
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: string), _col1 (type: string)
+        Map 9 
+            Map Operator Tree:
+                TableScan
+                  alias: src
+                  Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Statistics: Num rows: 29 Data size: 5812 Basic stats: COMPLETE Column stats: NONE
+                    Limit
+                      Number of rows: 1
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      Reduce Output Operator
+                        sort order: 
+                        Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                        value expressions: _col0 (type: string), _col1 (type: string)
+        Reducer 10 
+            Reduce Operator Tree:
+              Extract
+                Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                Limit
+                  Number of rows: 1
+                  Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: 2 (type: int)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: int)
+                      sort order: +
+                      Map-reduce partition columns: _col0 (type: int)
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: _col0 (type: int)
+        Reducer 11 
+            Reduce Operator Tree:
+              Extract
+                Select Operator
+                  expressions: _col0 (type: int)
+                  outputColumnNames: _col0
+                  File Output Operator
+                    compressed: false
+                    table:
+                        input format: org.apache.hadoop.mapred.TextInputFormat
+                        output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 2 
+            Reduce Operator Tree:
+              Extract
+                Limit
+                  Number of rows: 1
+                  Select Operator
+                    expressions: 4 (type: int)
+                    outputColumnNames: _col0
+                    Select Operator
+                      expressions: _col0 (type: int)
+                      outputColumnNames: _col0
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 5 
+            Reduce Operator Tree:
+              Extract
+                Limit
+                  Number of rows: 1
+                  Select Operator
+                    expressions: 3 (type: int)
+                    outputColumnNames: _col0
+                    Select Operator
+                      expressions: _col0 (type: int)
+                      outputColumnNames: _col0
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Reducer 7 
+            Reduce Operator Tree:
+              Extract
+                Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                Limit
+                  Number of rows: 1
+                  Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                  Select Operator
+                    expressions: 1 (type: int)
+                    outputColumnNames: _col0
+                    Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                    Reduce Output Operator
+                      key expressions: _col0 (type: int)
+                      sort order: +
+                      Map-reduce partition columns: _col0 (type: int)
+                      Statistics: Num rows: 1 Data size: 200 Basic stats: COMPLETE Column stats: NONE
+                      value expressions: _col0 (type: int)
+        Reducer 8 
+            Reduce Operator Tree:
+              Extract
+                Select Operator
+                  expressions: _col0 (type: int)
+                  outputColumnNames: _col0
+                  File Output Operator
+                    compressed: false
+                    table:
+                        input format: org.apache.hadoop.mapred.TextInputFormat
+                        output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Union 3 
+            Vertex: Union 3
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+
+PREHOOK: query: CREATE TABLE union_out (id int)
+PREHOOK: type: CREATETABLE
+POSTHOOK: query: CREATE TABLE union_out (id int)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: default@union_out
+PREHOOK: query: insert overwrite table union_out 
+SELECT *
+FROM (
+  SELECT 1 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 2 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 3 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+  UNION ALL
+  SELECT 4 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+) a
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Output: default@union_out
+POSTHOOK: query: insert overwrite table union_out 
+SELECT *
+FROM (
+  SELECT 1 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 2 AS id
+  FROM (SELECT * FROM src LIMIT 1) s1
+  CLUSTER BY id
+  UNION ALL
+  SELECT 3 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+  UNION ALL
+  SELECT 4 AS id
+  FROM (SELECT * FROM src LIMIT 1) s2
+) a
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Output: default@union_out
+POSTHOOK: Lineage: union_out.id EXPRESSION []
+PREHOOK: query: select * from union_out cluster by id
+PREHOOK: type: QUERY
+PREHOOK: Input: default@union_out
+#### A masked pattern was here ####
+POSTHOOK: query: select * from union_out cluster by id
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@union_out
+#### A masked pattern was here ####
+POSTHOOK: Lineage: union_out.id EXPRESSION []
+1
+2
+3
+4

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union4.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union4.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union4.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union4.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,153 @@
+PREHOOK: query: -- union case: both subqueries are map-reduce jobs on same input, followed by filesink
+
+
+create table tmptable(key string, value int)
+PREHOOK: type: CREATETABLE
+POSTHOOK: query: -- union case: both subqueries are map-reduce jobs on same input, followed by filesink
+
+
+create table tmptable(key string, value int)
+POSTHOOK: type: CREATETABLE
+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  ALL  
+                                            select 'tst2' as key, count(1) as value from src s2) 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  ALL  
+                                            select 'tst2' as key, count(1) as value from src s2) 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 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 5 <- Map 4 (SIMPLE_EDGE), Union 3 (CONTAINS)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Reducer 2 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst1' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string), UDFToInteger(_col1) (type: int)
+                    outputColumnNames: _col0, _col1
+                    File Output Operator
+                      compressed: false
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+                          name: default.tmptable
+        Reducer 5 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst2' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string), UDFToInteger(_col1) (type: int)
+                    outputColumnNames: _col0, _col1
+                    File Output Operator
+                      compressed: false
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+                          name: default.tmptable
+        Union 3 
+            Vertex: Union 3
+
+  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  ALL  
+                                          select 'tst2' as key, count(1) as value from src s2) 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  ALL  
+                                          select 'tst2' as key, count(1) as value from src s2) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Output: default@tmptable
+POSTHOOK: Lineage: tmptable.key EXPRESSION []
+POSTHOOK: Lineage: tmptable.value EXPRESSION [(src)s1.null, (src)s2.null, ]
+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 ####
+POSTHOOK: Lineage: tmptable.key EXPRESSION []
+POSTHOOK: Lineage: tmptable.value EXPRESSION [(src)s1.null, (src)s2.null, ]
+tst1	500
+tst2	500

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union5.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union5.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union5.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union5.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,142 @@
+PREHOOK: query: -- union case: both subqueries are map-reduce jobs on same input, followed by reduce sink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                    UNION  ALL  
+                                      select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union case: both subqueries are map-reduce jobs on same input, followed by reduce sink
+
+explain 
+  select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                    UNION  ALL  
+                                      select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE)
+        Reducer 6 <- Map 5 (SIMPLE_EDGE), Union 3 (CONTAINS)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Reducer 2 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst1' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string)
+                    outputColumnNames: _col0
+                    Group By Operator
+                      aggregations: count(1)
+                      keys: _col0 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        value expressions: _col1 (type: bigint)
+        Reducer 4 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 88 Basic stats: COMPLETE Column stats: COMPLETE
+                Select Operator
+                  expressions: _col0 (type: string), _col1 (type: bigint)
+                  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 6 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst2' (type: string), _col0 (type: bigint)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string)
+                    outputColumnNames: _col0
+                    Group By Operator
+                      aggregations: count(1)
+                      keys: _col0 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        value expressions: _col1 (type: bigint)
+        Union 3 
+            Vertex: Union 3
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+
+PREHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, count(1) as value from src s1
+                                  UNION  ALL  
+                                    select 'tst2' as key, count(1) as value from src s2) 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  ALL  
+                                    select 'tst2' as key, count(1) as value from src s2) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+#### A masked pattern was here ####
+tst1	1
+tst2	1

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union6.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union6.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union6.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union6.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,161 @@
+PREHOOK: query: -- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by filesink
+
+
+create table tmptable(key string, value string)
+PREHOOK: type: CREATETABLE
+POSTHOOK: query: -- union case: 1 subquery is a map-reduce job, different inputs for sub-queries, followed by filesink
+
+
+create table tmptable(key string, value string)
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: default@tmptable
+PREHOOK: query: explain 
+insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION  ALL  
+                                            select s2.key as key, s2.value as value from src1 s2) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: explain 
+insert overwrite table tmptable
+  select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                        UNION  ALL  
+                                            select s2.key as key, s2.value as value from src1 s2) 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:
+        Map 4 <- Union 3 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      expressions: _col0 (type: string), _col1 (type: string)
+                      outputColumnNames: _col0, _col1
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+                            name: default.tmptable
+        Reducer 2 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst1' (type: string), UDFToString(_col0) (type: string)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string), _col1 (type: string)
+                    outputColumnNames: _col0, _col1
+                    File Output Operator
+                      compressed: false
+                      table:
+                          input format: org.apache.hadoop.mapred.TextInputFormat
+                          output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                          serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+                          name: default.tmptable
+        Union 3 
+            Vertex: Union 3
+
+  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, cast(count(1) as string) as value from src s1
+                                      UNION  ALL  
+                                          select s2.key as key, s2.value as value from src1 s2) unionsrc
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Input: default@src1
+PREHOOK: Output: default@tmptable
+POSTHOOK: query: insert overwrite table tmptable
+select unionsrc.key, unionsrc.value FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                      UNION  ALL  
+                                          select s2.key as key, s2.value as value from src1 s2) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+POSTHOOK: Output: default@tmptable
+POSTHOOK: Lineage: tmptable.key EXPRESSION [(src1)s2.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: tmptable.value EXPRESSION [(src)s1.null, (src1)s2.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: select * from tmptable x sort by x.key, x.value
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmptable
+#### A masked pattern was here ####
+POSTHOOK: query: select * from tmptable x sort by x.key, x.value
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmptable
+#### A masked pattern was here ####
+POSTHOOK: Lineage: tmptable.key EXPRESSION [(src1)s2.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: tmptable.value EXPRESSION [(src)s1.null, (src1)s2.FieldSchema(name:value, type:string, comment:default), ]
+	
+	
+	
+	
+	val_165
+	val_193
+	val_265
+	val_27
+	val_409
+	val_484
+128	
+146	val_146
+150	val_150
+213	val_213
+224	
+238	val_238
+255	val_255
+273	val_273
+278	val_278
+311	val_311
+369	
+401	val_401
+406	val_406
+66	val_66
+98	val_98
+tst1	500

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union7.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union7.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union7.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union7.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,141 @@
+PREHOOK: query: -- 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  ALL  
+                                            select s2.key as key, s2.value as value from src1 s2) unionsrc group by unionsrc.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- 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  ALL  
+                                            select s2.key as key, s2.value as value from src1 s2) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 5 <- Union 3 (CONTAINS)
+        Reducer 2 <- Map 1 (SIMPLE_EDGE), Union 3 (CONTAINS)
+        Reducer 4 <- Union 3 (SIMPLE_EDGE)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL Column stats: COMPLETE
+                  Select Operator
+                    Statistics: Num rows: 0 Data size: 5812 Basic stats: PARTIAL 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)
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      expressions: _col0 (type: string)
+                      outputColumnNames: _col0
+                      Group By Operator
+                        aggregations: count(1)
+                        keys: _col0 (type: string)
+                        mode: hash
+                        outputColumnNames: _col0, _col1
+                        Reduce Output Operator
+                          key expressions: _col0 (type: string)
+                          sort order: +
+                          Map-reduce partition columns: _col0 (type: string)
+                          value expressions: _col1 (type: bigint)
+        Reducer 2 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                mode: mergepartial
+                outputColumnNames: _col0
+                Select Operator
+                  expressions: 'tst1' (type: string), UDFToString(_col0) (type: string)
+                  outputColumnNames: _col0, _col1
+                  Select Operator
+                    expressions: _col0 (type: string)
+                    outputColumnNames: _col0
+                    Group By Operator
+                      aggregations: count(1)
+                      keys: _col0 (type: string)
+                      mode: hash
+                      outputColumnNames: _col0, _col1
+                      Reduce Output Operator
+                        key expressions: _col0 (type: string)
+                        sort order: +
+                        Map-reduce partition columns: _col0 (type: string)
+                        value expressions: _col1 (type: bigint)
+        Reducer 4 
+            Reduce Operator Tree:
+              Group By Operator
+                aggregations: count(VALUE._col0)
+                keys: KEY._col0 (type: string)
+                mode: mergepartial
+                outputColumnNames: _col0, _col1
+                Statistics: Num rows: 1 Data size: 88 Basic stats: COMPLETE Column stats: PARTIAL
+                Select Operator
+                  expressions: _col0 (type: string), _col1 (type: bigint)
+                  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
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+
+PREHOOK: query: select unionsrc.key, count(1) FROM (select 'tst1' as key, cast(count(1) as string) as value from src s1
+                                      UNION  ALL  
+                                    select s2.key as key, s2.value as value from src1 s2) 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  ALL  
+                                    select s2.key as key, s2.value as value from src1 s2) unionsrc group by unionsrc.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Input: default@src1
+#### A masked pattern was here ####
+	10
+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

Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union8.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union8.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union8.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union8.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,1593 @@
+PREHOOK: query: -- union case: all subqueries are a map-only jobs, 3 way union, same input for all sub-queries, followed by filesink
+
+explain 
+  select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                                            select s2.key as key, s2.value as value from src s2 UNION  ALL  
+                                            select s3.key as key, s3.value as value from src s3) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union case: all subqueries are a map-only jobs, 3 way union, same input for all sub-queries, followed by filesink
+
+explain 
+  select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                                            select s2.key as key, s2.value as value from src s2 UNION  ALL  
+                                            select s3.key as key, s3.value as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 is a root stage
+
+STAGE PLANS:
+  Stage: Stage-1
+    Tez
+      Edges:
+        Map 1 <- Union 2 (CONTAINS)
+        Map 3 <- Union 2 (CONTAINS)
+        Map 4 <- Union 2 (CONTAINS)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      expressions: _col0 (type: string), _col1 (type: string)
+                      outputColumnNames: _col0, _col1
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Map 3 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      expressions: _col0 (type: string), _col1 (type: string)
+                      outputColumnNames: _col0, _col1
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s3
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      expressions: _col0 (type: string), _col1 (type: string)
+                      outputColumnNames: _col0, _col1
+                      File Output Operator
+                        compressed: false
+                        table:
+                            input format: org.apache.hadoop.mapred.TextInputFormat
+                            output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+                            serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+        Union 2 
+            Vertex: Union 2
+
+  Stage: Stage-0
+    Fetch Operator
+      limit: -1
+
+PREHOOK: query: select unionsrc.key, unionsrc.value FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                                          select s2.key as key, s2.value as value from src s2 UNION  ALL  
+                                          select s3.key as key, s3.value as value from src s3) 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  ALL  
+                                          select s2.key as key, s2.value as value from src s2 UNION  ALL  
+                                          select s3.key as key, s3.value as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+#### A masked pattern was here ####
+238	val_238
+86	val_86
+311	val_311
+27	val_27
+165	val_165
+409	val_409
+255	val_255
+278	val_278
+98	val_98
+484	val_484
+265	val_265
+193	val_193
+401	val_401
+150	val_150
+273	val_273
+224	val_224
+369	val_369
+66	val_66
+128	val_128
+213	val_213
+146	val_146
+406	val_406
+429	val_429
+374	val_374
+152	val_152
+469	val_469
+145	val_145
+495	val_495
+37	val_37
+327	val_327
+281	val_281
+277	val_277
+209	val_209
+15	val_15
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+403	val_403
+166	val_166
+417	val_417
+430	val_430
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+219	val_219
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+446	val_446
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+413	val_413
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+399	val_399
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+417	val_417
+489	val_489
+162	val_162
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+397	val_397
+309	val_309
+365	val_365
+266	val_266
+439	val_439
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+325	val_325
+167	val_167
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+17	val_17
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+203	val_203
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+0	val_0
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+311	val_311
+316	val_316
+57	val_57
+302	val_302
+205	val_205
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Added: hive/branches/tez/ql/src/test/results/clientpositive/tez/union9.q.out
URL: http://svn.apache.org/viewvc/hive/branches/tez/ql/src/test/results/clientpositive/tez/union9.q.out?rev=1568894&view=auto
==============================================================================
--- hive/branches/tez/ql/src/test/results/clientpositive/tez/union9.q.out (added)
+++ hive/branches/tez/ql/src/test/results/clientpositive/tez/union9.q.out Mon Feb 17 07:58:47 2014
@@ -0,0 +1,110 @@
+PREHOOK: query: -- union case: all subqueries are a map-only jobs, 3 way union, same input for all sub-queries, followed by reducesink
+
+explain 
+  select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                        select s2.key as key, s2.value as value from src s2 UNION ALL
+                        select s3.key as key, s3.value as value from src s3) unionsrc
+PREHOOK: type: QUERY
+POSTHOOK: query: -- union case: all subqueries are a map-only jobs, 3 way union, same input for all sub-queries, followed by reducesink
+
+explain 
+  select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                        select s2.key as key, s2.value as value from src s2 UNION ALL
+                        select s3.key as key, s3.value as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+  Stage-1 is a root stage
+  Stage-0 is a root stage
+
+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)
+      Vertices:
+        Map 1 
+            Map Operator Tree:
+                TableScan
+                  alias: s1
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Reduce Output Operator
+                          sort order: 
+                          value expressions: _col0 (type: bigint)
+        Map 4 
+            Map Operator Tree:
+                TableScan
+                  alias: s2
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Reduce Output Operator
+                          sort order: 
+                          value expressions: _col0 (type: bigint)
+        Map 5 
+            Map Operator Tree:
+                TableScan
+                  alias: s3
+                  Select Operator
+                    expressions: key (type: string), value (type: string)
+                    outputColumnNames: _col0, _col1
+                    Select Operator
+                      Group By Operator
+                        aggregations: count(1)
+                        mode: hash
+                        outputColumnNames: _col0
+                        Reduce Output Operator
+                          sort order: 
+                          value expressions: _col0 (type: bigint)
+        Reducer 3 
+            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
+                Select Operator
+                  expressions: _col0 (type: bigint)
+                  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
+
+PREHOOK: query: select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                        select s2.key as key, s2.value as value from src s2 UNION ALL
+                        select s3.key as key, s3.value as value from src s3) unionsrc
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+#### A masked pattern was here ####
+POSTHOOK: query: select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION  ALL  
+                        select s2.key as key, s2.value as value from src s2 UNION ALL
+                        select s3.key as key, s3.value as value from src s3) unionsrc
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+#### A masked pattern was here ####
+1500