http://git-wip-us.apache.org/repos/asf/hive/blob/975a49b6/ql/src/test/results/clientpositive/tez/cross_product_check_1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/cross_product_check_1.q.out 
b/ql/src/test/results/clientpositive/tez/cross_product_check_1.q.out
deleted file mode 100644
index 4ae85e7..0000000
--- a/ql/src/test/results/clientpositive/tez/cross_product_check_1.q.out
+++ /dev/null
@@ -1,587 +0,0 @@
-PREHOOK: query: -- SORT_QUERY_RESULTS
-
-create table A as
-select * from src
-PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@src
-PREHOOK: Output: database:default
-PREHOOK: Output: default@A
-POSTHOOK: query: -- SORT_QUERY_RESULTS
-
-create table A as
-select * from src
-POSTHOOK: type: CREATETABLE_AS_SELECT
-POSTHOOK: Input: default@src
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@A
-POSTHOOK: Lineage: a.key SIMPLE [(src)src.FieldSchema(name:key, type:string, 
comment:default), ]
-POSTHOOK: Lineage: a.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: create table B as
-select * from src
-limit 10
-PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@src
-PREHOOK: Output: database:default
-PREHOOK: Output: default@B
-POSTHOOK: query: create table B as
-select * from src
-limit 10
-POSTHOOK: type: CREATETABLE_AS_SELECT
-POSTHOOK: Input: default@src
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@B
-POSTHOOK: Lineage: b.key SIMPLE [(src)src.FieldSchema(name:key, type:string, 
comment:default), ]
-POSTHOOK: Lineage: b.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-Warning: Shuffle Join MERGEJOIN[9][tables = [$hdt$_0, $hdt$_1]] in Stage 
'Reducer 2' is a cross product
-PREHOOK: query: explain select * from A join B
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join B
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 3 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0, _col1, _col2, _col3
-                Statistics: Num rows: 5000 Data size: 110120 Basic stats: 
COMPLETE Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 5000 Data size: 110120 Basic stats: 
COMPLETE Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Shuffle Join MERGEJOIN[21][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in 
Stage 'Reducer 3' is a cross product
-PREHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE)
-        Reducer 3 <- Map 5 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string)
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string)
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: string)
-                  1 _col0 (type: string)
-                outputColumnNames: _col0, _col1, _col2, _col3
-                Statistics: Num rows: 11 Data size: 114 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 11 Data size: 114 Basic stats: 
COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: string), _col1 (type: 
string), _col2 (type: string), _col3 (type: string)
-        Reducer 3 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
-                Statistics: Num rows: 5500 Data size: 120932 Basic stats: 
COMPLETE Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 5500 Data size: 120932 Basic stats: 
COMPLETE Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Shuffle Join MERGEJOIN[26][tables = [$hdt$_0, $hdt$_1]] in Stage 
'Reducer 2' is a cross product
-PREHOOK: query: explain select * from A join 
-         (select d1.key 
-          from B d1 join B d2 on d1.key = d2.key
-          where 1 = 1 group by d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join 
-         (select d1.key 
-          from B d1 join B d2 on d1.key = d2.key
-          where 1 = 1 group by d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE)
-        Reducer 4 <- Map 3 (SIMPLE_EDGE), Map 6 (SIMPLE_EDGE)
-        Reducer 5 <- Reducer 4 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-        Map 6 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 2500 Data size: 54560 Basic stats: 
COMPLETE Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 2500 Data size: 54560 Basic stats: 
COMPLETE Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 4 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: string)
-                  1 _col0 (type: string)
-                outputColumnNames: _col0
-                Statistics: Num rows: 11 Data size: 114 Basic stats: COMPLETE 
Column stats: NONE
-                Group By Operator
-                  keys: _col0 (type: string)
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 11 Data size: 114 Basic stats: 
COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: string)
-                    sort order: +
-                    Map-reduce partition columns: _col0 (type: string)
-                    Statistics: Num rows: 11 Data size: 114 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 5 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 5 Data size: 51 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 5 Data size: 51 Basic stats: COMPLETE 
Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Shuffle Join MERGEJOIN[19][tables = [$hdt$_1, $hdt$_2]] in Stage 
'Reducer 4' is a cross product
-Warning: Shuffle Join MERGEJOIN[20][tables = [$hdt$_0, $hdt$_1]] in Stage 
'Reducer 2' is a cross product
-PREHOOK: query: explain select * from A join (select d1.key from B d1 join B 
d2 where 1 = 1  group by d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join (select d1.key from B d1 join B 
d2 where 1 = 1  group by d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 5 (SIMPLE_EDGE)
-        Reducer 4 <- Map 3 (SIMPLE_EDGE), Map 6 (SIMPLE_EDGE)
-        Reducer 5 <- Reducer 4 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: _col0
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string)
-        Map 6 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Select Operator
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0, _col1, _col2
-                Statistics: Num rows: 25000 Data size: 675600 Basic stats: 
COMPLETE Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 25000 Data size: 675600 Basic stats: 
COMPLETE Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 4 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0
-                Statistics: Num rows: 100 Data size: 1540 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  keys: _col0 (type: string)
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 100 Data size: 1540 Basic stats: 
COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: string)
-                    sort order: +
-                    Map-reduce partition columns: _col0 (type: string)
-                    Statistics: Num rows: 100 Data size: 1540 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 5 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 50 Data size: 770 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 50 Data size: 770 Basic stats: 
COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Shuffle Join MERGEJOIN[30][tables = [$hdt$_0, $hdt$_1]] in Stage 
'Reducer 3' is a cross product
-PREHOOK: query: explain select * from 
-(select A.key from A  group by key) ss join
-(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by 
d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from 
-(select A.key from A  group by key) ss join
-(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by 
d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE)
-        Reducer 5 <- Map 4 (SIMPLE_EDGE), Map 7 (SIMPLE_EDGE)
-        Reducer 6 <- Reducer 5 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: key
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Group By Operator
-                      keys: key (type: string)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-        Map 7 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 104 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: 
COMPLETE Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 250 Data size: 2656 Basic stats: 
COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: string)
-        Reducer 3 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 
-                  1 
-                outputColumnNames: _col0, _col1
-                Statistics: Num rows: 1250 Data size: 27280 Basic stats: 
COMPLETE Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 1250 Data size: 27280 Basic stats: 
COMPLETE Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                      output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 5 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col0 (type: string)
-                  1 _col0 (type: string)
-                outputColumnNames: _col0
-                Statistics: Num rows: 11 Data size: 114 Basic stats: COMPLETE 
Column stats: NONE
-                Group By Operator
-                  keys: _col0 (type: string)
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 11 Data size: 114 Basic stats: 
COMPLETE Column stats: NONE
-                  Reduce Output Operator
-                    key expressions: _col0 (type: string)
-                    sort order: +
-                    Map-reduce partition columns: _col0 (type: string)
-                    Statistics: Num rows: 11 Data size: 114 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 6 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 5 Data size: 51 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 5 Data size: 51 Basic stats: COMPLETE 
Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-

http://git-wip-us.apache.org/repos/asf/hive/blob/975a49b6/ql/src/test/results/clientpositive/tez/cross_product_check_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/cross_product_check_2.q.out 
b/ql/src/test/results/clientpositive/tez/cross_product_check_2.q.out
deleted file mode 100644
index de4e040..0000000
--- a/ql/src/test/results/clientpositive/tez/cross_product_check_2.q.out
+++ /dev/null
@@ -1,549 +0,0 @@
-PREHOOK: query: -- SORT_QUERY_RESULTS
-
-create table A as
-select * from src
-PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@src
-PREHOOK: Output: database:default
-PREHOOK: Output: default@A
-POSTHOOK: query: -- SORT_QUERY_RESULTS
-
-create table A as
-select * from src
-POSTHOOK: type: CREATETABLE_AS_SELECT
-POSTHOOK: Input: default@src
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@A
-POSTHOOK: Lineage: a.key SIMPLE [(src)src.FieldSchema(name:key, type:string, 
comment:default), ]
-POSTHOOK: Lineage: a.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: create table B as
-select * from src order by key
-limit 10
-PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@src
-PREHOOK: Output: database:default
-PREHOOK: Output: default@B
-POSTHOOK: query: create table B as
-select * from src order by key
-limit 10
-POSTHOOK: type: CREATETABLE_AS_SELECT
-POSTHOOK: Input: default@src
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@B
-POSTHOOK: Lineage: b.key SIMPLE [(src)src.FieldSchema(name:key, type:string, 
comment:default), ]
-POSTHOOK: Lineage: b.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-Warning: Map Join MAPJOIN[9][bigTable=?] in task 'Map 1' is a cross product
-PREHOOK: query: explain select * from A join B
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join B
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Map 1 <- Map 2 (BROADCAST_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      keys:
-                        0 
-                        1 
-                      outputColumnNames: _col0, _col1, _col2, _col3
-                      input vertices:
-                        1 Map 2
-                      Statistics: Num rows: 5000 Data size: 106120 Basic 
stats: COMPLETE Column stats: NONE
-                      File Output Operator
-                        compressed: false
-                        Statistics: Num rows: 5000 Data size: 106120 Basic 
stats: COMPLETE Column stats: NONE
-                        table:
-                            input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                            output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                            serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Map 2 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string), value (type: string)
-                    outputColumnNames: _col0, _col1
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      value expressions: _col0 (type: string), _col1 (type: 
string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Map Join MAPJOIN[21][bigTable=?] in task 'Map 3' is a cross product
-PREHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Map 1 <- Map 2 (BROADCAST_EDGE)
-        Map 3 <- Map 1 (BROADCAST_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                        outputColumnNames: _col0, _col1, _col2, _col3
-                        input vertices:
-                          1 Map 2
-                        Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                        HybridGraceHashJoin: true
-                        Reduce Output Operator
-                          sort order: 
-                          Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                          value expressions: _col0 (type: string), _col1 
(type: string), _col2 (type: string), _col3 (type: string)
-        Map 2 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                        value expressions: _col1 (type: string)
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      keys:
-                        0 
-                        1 
-                      outputColumnNames: _col0, _col1, _col2, _col3, _col4, 
_col5
-                      input vertices:
-                        0 Map 1
-                      Statistics: Num rows: 5500 Data size: 116432 Basic 
stats: COMPLETE Column stats: NONE
-                      File Output Operator
-                        compressed: false
-                        Statistics: Num rows: 5500 Data size: 116432 Basic 
stats: COMPLETE Column stats: NONE
-                        table:
-                            input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                            output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                            serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Map Join MAPJOIN[26][bigTable=?] in task 'Map 1' is a cross product
-PREHOOK: query: explain select * from A join 
-         (select d1.key 
-          from B d1 join B d2 on d1.key = d2.key 
-          where 1 = 1 group by d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join 
-         (select d1.key 
-          from B d1 join B d2 on d1.key = d2.key 
-          where 1 = 1 group by d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Map 1 <- Reducer 3 (BROADCAST_EDGE)
-        Map 2 <- Map 4 (BROADCAST_EDGE)
-        Reducer 3 <- Map 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      keys:
-                        0 
-                        1 
-                      outputColumnNames: _col0, _col1, _col2
-                      input vertices:
-                        1 Reducer 3
-                      Statistics: Num rows: 2500 Data size: 52560 Basic stats: 
COMPLETE Column stats: NONE
-                      File Output Operator
-                        compressed: false
-                        Statistics: Num rows: 2500 Data size: 52560 Basic 
stats: COMPLETE Column stats: NONE
-                        table:
-                            input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                            output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                            serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Map 2 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                        outputColumnNames: _col0
-                        input vertices:
-                          1 Map 4
-                        Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                        HybridGraceHashJoin: true
-                        Group By Operator
-                          keys: _col0 (type: string)
-                          mode: hash
-                          outputColumnNames: _col0
-                          Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            key expressions: _col0 (type: string)
-                            sort order: +
-                            Map-reduce partition columns: _col0 (type: string)
-                            Statistics: Num rows: 11 Data size: 105 Basic 
stats: COMPLETE Column stats: NONE
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 3 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 5 Data size: 47 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 5 Data size: 47 Basic stats: COMPLETE 
Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Map Join MAPJOIN[19][bigTable=?] in task 'Map 2' is a cross product
-Warning: Map Join MAPJOIN[20][bigTable=?] in task 'Map 1' is a cross product
-PREHOOK: query: explain select * from A join (select d1.key from B d1 join B 
d2 where 1 = 1 group by d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from A join (select d1.key from B d1 join B 
d2 where 1 = 1 group by d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Map 1 <- Reducer 3 (BROADCAST_EDGE)
-        Map 2 <- Map 4 (BROADCAST_EDGE)
-        Reducer 3 <- Map 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  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
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      keys:
-                        0 
-                        1 
-                      outputColumnNames: _col0, _col1, _col2
-                      input vertices:
-                        1 Reducer 3
-                      Statistics: Num rows: 25000 Data size: 655600 Basic 
stats: COMPLETE Column stats: NONE
-                      File Output Operator
-                        compressed: false
-                        Statistics: Num rows: 25000 Data size: 655600 Basic 
stats: COMPLETE Column stats: NONE
-                        table:
-                            input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                            output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                            serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Map 2 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: _col0
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Map Join Operator
-                      condition map:
-                           Inner Join 0 to 1
-                      keys:
-                        0 
-                        1 
-                      outputColumnNames: _col0
-                      input vertices:
-                        1 Map 4
-                      Statistics: Num rows: 100 Data size: 1460 Basic stats: 
COMPLETE Column stats: NONE
-                      Group By Operator
-                        keys: _col0 (type: string)
-                        mode: hash
-                        outputColumnNames: _col0
-                        Statistics: Num rows: 100 Data size: 1460 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col0 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col0 (type: string)
-                          Statistics: Num rows: 100 Data size: 1460 Basic 
stats: COMPLETE Column stats: NONE
-        Map 4 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: COMPLETE
-                  Select Operator
-                    Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Reduce Output Operator
-                      sort order: 
-                      Statistics: Num rows: 10 Data size: 40 Basic stats: 
COMPLETE Column stats: COMPLETE
-        Reducer 3 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 50 Data size: 730 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 50 Data size: 730 Basic stats: 
COMPLETE Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-
-Warning: Map Join MAPJOIN[30][bigTable=?] in task 'Reducer 2' is a cross 
product
-PREHOOK: query: explain select * from 
-(select A.key from A group by key) ss join 
-(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by 
d1.key) od1
-PREHOOK: type: QUERY
-POSTHOOK: query: explain select * from 
-(select A.key from A group by key) ss join 
-(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by 
d1.key) od1
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Map 3 <- Map 5 (BROADCAST_EDGE)
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Reducer 4 (BROADCAST_EDGE)
-        Reducer 4 <- Map 3 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Select Operator
-                    expressions: key (type: string)
-                    outputColumnNames: key
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Group By Operator
-                      keys: key (type: string)
-                      mode: hash
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-        Map 3 
-            Map Operator Tree:
-                TableScan
-                  alias: d1
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Map Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: string)
-                          1 _col0 (type: string)
-                        outputColumnNames: _col0
-                        input vertices:
-                          1 Map 5
-                        Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                        HybridGraceHashJoin: true
-                        Group By Operator
-                          keys: _col0 (type: string)
-                          mode: hash
-                          outputColumnNames: _col0
-                          Statistics: Num rows: 11 Data size: 105 Basic stats: 
COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            key expressions: _col0 (type: string)
-                            sort order: +
-                            Map-reduce partition columns: _col0 (type: string)
-                            Statistics: Num rows: 11 Data size: 105 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: d2
-                  Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE 
Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 10 Data size: 96 Basic stats: 
COMPLETE Column stats: NONE
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 250 Data size: 2656 Basic stats: 
COMPLETE Column stats: NONE
-                Map Join Operator
-                  condition map:
-                       Inner Join 0 to 1
-                  keys:
-                    0 
-                    1 
-                  outputColumnNames: _col0, _col1
-                  input vertices:
-                    1 Reducer 4
-                  Statistics: Num rows: 1250 Data size: 26280 Basic stats: 
COMPLETE Column stats: NONE
-                  File Output Operator
-                    compressed: false
-                    Statistics: Num rows: 1250 Data size: 26280 Basic stats: 
COMPLETE Column stats: NONE
-                    table:
-                        input format: 
org.apache.hadoop.mapred.SequenceFileInputFormat
-                        output format: 
org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
-                        serde: 
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
-        Reducer 4 
-            Reduce Operator Tree:
-              Group By Operator
-                keys: KEY._col0 (type: string)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 5 Data size: 47 Basic stats: COMPLETE 
Column stats: NONE
-                Reduce Output Operator
-                  sort order: 
-                  Statistics: Num rows: 5 Data size: 47 Basic stats: COMPLETE 
Column stats: NONE
-                  value expressions: _col0 (type: string)
-
-  Stage: Stage-0
-    Fetch Operator
-      limit: -1
-      Processor Tree:
-        ListSink
-

Reply via email to