http://git-wip-us.apache.org/repos/asf/hive/blob/975a49b6/ql/src/test/results/clientpositive/tez/auto_sortmerge_join_6.q.out
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diff --git a/ql/src/test/results/clientpositive/tez/auto_sortmerge_join_6.q.out 
b/ql/src/test/results/clientpositive/tez/auto_sortmerge_join_6.q.out
deleted file mode 100644
index 0b220de..0000000
--- a/ql/src/test/results/clientpositive/tez/auto_sortmerge_join_6.q.out
+++ /dev/null
@@ -1,1292 +0,0 @@
-PREHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tbl1
-POSTHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tbl1
-PREHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tbl2
-POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tbl2
-PREHOOK: query: CREATE TABLE tbl3(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tbl3
-POSTHOOK: query: CREATE TABLE tbl3(key int, value string) CLUSTERED BY (key) 
SORTED BY (key) INTO 2 BUCKETS
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tbl3
-PREHOOK: query: CREATE TABLE tbl4(key int, value string) CLUSTERED BY (value) 
SORTED BY (value) INTO 2 BUCKETS
-PREHOOK: type: CREATETABLE
-PREHOOK: Output: database:default
-PREHOOK: Output: default@tbl4
-POSTHOOK: query: CREATE TABLE tbl4(key int, value string) CLUSTERED BY (value) 
SORTED BY (value) INTO 2 BUCKETS
-POSTHOOK: type: CREATETABLE
-POSTHOOK: Output: database:default
-POSTHOOK: Output: default@tbl4
-PREHOOK: query: insert overwrite table tbl1 select * from src
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Output: default@tbl1
-POSTHOOK: query: insert overwrite table tbl1 select * from src
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Output: default@tbl1
-POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, 
type:string, comment:default), ]
-POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: insert overwrite table tbl2 select * from src
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Output: default@tbl2
-POSTHOOK: query: insert overwrite table tbl2 select * from src
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Output: default@tbl2
-POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, 
type:string, comment:default), ]
-POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: insert overwrite table tbl3 select * from src
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Output: default@tbl3
-POSTHOOK: query: insert overwrite table tbl3 select * from src
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Output: default@tbl3
-POSTHOOK: Lineage: tbl3.key EXPRESSION [(src)src.FieldSchema(name:key, 
type:string, comment:default), ]
-POSTHOOK: Lineage: tbl3.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: insert overwrite table tbl4 select * from src
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Output: default@tbl4
-POSTHOOK: query: insert overwrite table tbl4 select * from src
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Output: default@tbl4
-POSTHOOK: Lineage: tbl4.key EXPRESSION [(src)src.FieldSchema(name:key, 
type:string, comment:default), ]
-POSTHOOK: Lineage: tbl4.value SIMPLE [(src)src.FieldSchema(name:value, 
type:string, comment:default), ]
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on a different key
-
--- Three tests below are all the same query with different alias, which 
changes dispatch order of GenMapRedWalker
--- This is dependent to iteration order of HashMap, so can be meaningless in 
non-sun jdk
--- b = TS[0]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]-SEL[9]-FS[10]
--- c = TS[1]-RS[7]-JOIN[8]
--- a = TS[2]-MAPJOIN[11]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on a different key
-
--- Three tests below are all the same query with different alias, which 
changes dispatch order of GenMapRedWalker
--- This is dependent to iteration order of HashMap, so can be meaningless in 
non-sun jdk
--- b = TS[0]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]-SEL[9]-FS[10]
--- c = TS[1]-RS[7]-JOIN[8]
--- a = TS[2]-MAPJOIN[11]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: value (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 45500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- d = TS[0]-RS[7]-JOIN[8]-SEL[9]-FS[10]
--- b = TS[1]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]
--- a = TS[2]-MAPJOIN[11]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src d on 
d.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- d = TS[0]-RS[7]-JOIN[8]-SEL[9]-FS[10]
--- b = TS[1]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]
--- a = TS[2]-MAPJOIN[11]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src d on 
d.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: d
-                  Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: value (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 45500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src d on d.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src d on d.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- b = TS[0]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]-SEL[9]-FS[10]
--- a = TS[1]-MAPJOIN[11]
--- h = TS[2]-RS[7]-JOIN[8]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src h on 
h.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- b = TS[0]-OP[13]-MAPJOIN[11]-RS[6]-JOIN[8]-SEL[9]-FS[10]
--- a = TS[1]-MAPJOIN[11]
--- h = TS[2]-RS[7]-JOIN[8]
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src h on 
h.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: h
-                  Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: value (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 45500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src h on h.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src h on h.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.key = a.key
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.key = a.key
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col0
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: UDFToDouble(_col0) (type: double)
-                          sort order: +
-                          Map-reduce partition columns: UDFToDouble(_col0) 
(type: double)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: UDFToDouble(_col0) (type: double)
-                        sort order: +
-                        Map-reduce partition columns: UDFToDouble(_col0) 
(type: double)
-                        Statistics: Num rows: 500 Data size: 43500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 UDFToDouble(_col0) (type: double)
-                  1 UDFToDouble(_col0) (type: double)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.key = a.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.key = a.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl3 c 
on c.key = a.key
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl3 c 
on c.key = a.key
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                             Inner Join 0 to 2
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                          2 _col0 (type: int)
-                        Statistics: Num rows: 1100 Data size: 11686 Basic 
stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: count()
-                          mode: hash
-                          outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
-                            value expressions: _col0 (type: bigint)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl3 c on c.key = a.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-PREHOOK: Input: default@tbl3
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl3 c on c.key = a.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-POSTHOOK: Input: default@tbl3
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl4 c 
on c.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl4 c 
on c.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: value (type: string)
-                      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
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl4 c on c.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-PREHOOK: Input: default@tbl4
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl4 c on c.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-POSTHOOK: Input: default@tbl4
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: value (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 45500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: _col0 (type: string)
-                        sort order: +
-                        Map-reduce partition columns: _col0 (type: string)
-                        Statistics: Num rows: 500 Data size: 45500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.key = a.key
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
non-bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join src c on 
c.key = a.key
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col0
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: UDFToDouble(_col0) (type: double)
-                          sort order: +
-                          Map-reduce partition columns: UDFToDouble(_col0) 
(type: double)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                    Select Operator
-                      expressions: key (type: string)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 43500 Basic stats: 
COMPLETE Column stats: COMPLETE
-                      Reduce Output Operator
-                        key expressions: UDFToDouble(_col0) (type: double)
-                        sort order: +
-                        Map-reduce partition columns: UDFToDouble(_col0) 
(type: double)
-                        Statistics: Num rows: 500 Data size: 43500 Basic 
stats: COMPLETE Column stats: COMPLETE
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 UDFToDouble(_col0) (type: double)
-                  1 UDFToDouble(_col0) (type: double)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.key = a.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@src
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
src c on c.key = a.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@src
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl3 c 
on c.key = a.key
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on the same key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl3 c 
on c.key = a.key
-POSTHOOK: type: QUERY
-STAGE DEPENDENCIES:
-  Stage-1 is a root stage
-  Stage-0 depends on stages: Stage-1
-
-STAGE PLANS:
-  Stage: Stage-1
-    Tez
-#### A masked pattern was here ####
-      Edges:
-        Reducer 2 <- Map 1 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                             Inner Join 0 to 2
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                          2 _col0 (type: int)
-                        Statistics: Num rows: 1100 Data size: 11686 Basic 
stats: COMPLETE Column stats: NONE
-                        Group By Operator
-                          aggregations: count()
-                          mode: hash
-                          outputColumnNames: _col0
-                          Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
-                          Reduce Output Operator
-                            sort order: 
-                            Statistics: Num rows: 1 Data size: 8 Basic stats: 
COMPLETE Column stats: NONE
-                            value expressions: _col0 (type: bigint)
-        Reducer 2 
-            Reduce Operator Tree:
-              Group By Operator
-                aggregations: count(VALUE._col0)
-                mode: mergepartial
-                outputColumnNames: _col0
-                Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                File Output Operator
-                  compressed: false
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  table:
-                      input format: 
org.apache.hadoop.mapred.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl3 c on c.key = a.key
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-PREHOOK: Input: default@tbl3
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl3 c on c.key = a.key
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-POSTHOOK: Input: default@tbl3
-#### A masked pattern was here ####
-2654
-PREHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl4 c 
on c.value = a.value
-PREHOOK: type: QUERY
-POSTHOOK: query: -- A SMB join is being followed by a regular join on a 
bucketed table on a different key
-explain select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join tbl4 c 
on c.value = a.value
-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 5 (SIMPLE_EDGE)
-        Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
-#### A masked pattern was here ####
-      Vertices:
-        Map 1 
-            Map Operator Tree:
-                TableScan
-                  alias: b
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: key is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int)
-                      outputColumnNames: _col0
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-            Map Operator Tree:
-                TableScan
-                  alias: a
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: (key is not null and value is not null) (type: 
boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: key (type: int), value (type: string)
-                      outputColumnNames: _col0, _col1
-                      Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                      Merge Join Operator
-                        condition map:
-                             Inner Join 0 to 1
-                        keys:
-                          0 _col0 (type: int)
-                          1 _col0 (type: int)
-                        outputColumnNames: _col1
-                        Statistics: Num rows: 550 Data size: 5843 Basic stats: 
COMPLETE Column stats: NONE
-                        Reduce Output Operator
-                          key expressions: _col1 (type: string)
-                          sort order: +
-                          Map-reduce partition columns: _col1 (type: string)
-                          Statistics: Num rows: 550 Data size: 5843 Basic 
stats: COMPLETE Column stats: NONE
-        Map 5 
-            Map Operator Tree:
-                TableScan
-                  alias: c
-                  Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                  Filter Operator
-                    predicate: value is not null (type: boolean)
-                    Statistics: Num rows: 500 Data size: 5312 Basic stats: 
COMPLETE Column stats: NONE
-                    Select Operator
-                      expressions: value (type: string)
-                      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
-        Reducer 2 
-            Reduce Operator Tree:
-              Merge Join Operator
-                condition map:
-                     Inner Join 0 to 1
-                keys:
-                  0 _col1 (type: string)
-                  1 _col0 (type: string)
-                Statistics: Num rows: 605 Data size: 6427 Basic stats: 
COMPLETE Column stats: NONE
-                Group By Operator
-                  aggregations: count()
-                  mode: hash
-                  outputColumnNames: _col0
-                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                  Reduce Output Operator
-                    sort order: 
-                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE 
Column stats: NONE
-                    value expressions: _col0 (type: bigint)
-        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
-                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.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
-
-PREHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl4 c on c.value = a.value
-PREHOOK: type: QUERY
-PREHOOK: Input: default@tbl1
-PREHOOK: Input: default@tbl2
-PREHOOK: Input: default@tbl4
-#### A masked pattern was here ####
-POSTHOOK: query: select count(*) FROM tbl1 a JOIN tbl2 b ON a.key = b.key join 
tbl4 c on c.value = a.value
-POSTHOOK: type: QUERY
-POSTHOOK: Input: default@tbl1
-POSTHOOK: Input: default@tbl2
-POSTHOOK: Input: default@tbl4
-#### A masked pattern was here ####
-2654

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