Warning: Shuffle Join MERGEJOIN[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
Warning: Shuffle Join MERGEJOIN[15][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
PREHOOK: query: explain
select src1.key from src src1 join src src2 join src src3
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 join src src2 join src src3
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 (XPROD_EDGE), Map 4 (XPROD_EDGE)
        Reducer 3 <- Map 4 (XPROD_EDGE), Reducer 2 (XPROD_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  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
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                      value expressions: _col0 (type: string)
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src3
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
                  Select Operator
                    Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
                    Reduce Output Operator
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
                    Reduce Output Operator
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Inner Join 0 to 1
                keys:
                  0 
                  1 
                outputColumnNames: _col0
                Statistics: Num rows: 250000 Data size: 21750000 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  null sort order: 
                  sort order: 
                  Statistics: Num rows: 250000 Data size: 21750000 Basic stats: COMPLETE Column stats: COMPLETE
                  value expressions: _col0 (type: string)
        Reducer 3 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Inner Join 0 to 1
                keys:
                  0 
                  1 
                outputColumnNames: _col0
                Statistics: Num rows: 125000000 Data size: 10875000000 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 125000000 Data size: 10875000000 Basic stats: COMPLETE Column stats: COMPLETE
                  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: explain
select src1.key from src src1 join src src2 on src1.key=src2.key join src src3 on src1.key=src3.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 join src src2 on src1.key=src2.key join src src3 on src1.key=src3.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 1 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                      Reduce Output Operator
                        key expressions: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src2
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            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: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  key expressions: _col0 (type: string)
                  null sort order: z
                  sort order: +
                  Map-reduce partition columns: _col0 (type: string)
                  Statistics: Num rows: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
        Reducer 3 
            Execution mode: llap
            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: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                  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: explain
select src1.key from src src1 join src src2 join src src3 where src1.key=src2.key and src1.key=src3.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 join src src2 join src src3 where src1.key=src2.key and src1.key=src3.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 1 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                      Reduce Output Operator
                        key expressions: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src2
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            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: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  key expressions: _col0 (type: string)
                  null sort order: z
                  sort order: +
                  Map-reduce partition columns: _col0 (type: string)
                  Statistics: Num rows: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
        Reducer 3 
            Execution mode: llap
            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: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                  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[33][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
PREHOOK: query: explain
select src1.key from src src1 join src src2 on 5 = src2.key join src src3 on src1.key=src3.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 join src src2 on 5 = src2.key join src src3 on src1.key=src3.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 1 (XPROD_EDGE), Reducer 2 (XPROD_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  filterExpr: (key is not null or (UDFToDouble(key) = 5.0D)) (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                  Filter Operator
                    predicate: (UDFToDouble(key) = 5.0D) (type: boolean)
                    Statistics: Num rows: 250 Data size: 21750 Basic stats: COMPLETE Column stats: COMPLETE
                    Select Operator
                      Statistics: Num rows: 250 Data size: 21750 Basic stats: COMPLETE Column stats: COMPLETE
                      Reduce Output Operator
                        null sort order: 
                        sort order: 
                        Statistics: Num rows: 250 Data size: 21750 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src3
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            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: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  null sort order: 
                  sort order: 
                  Statistics: Num rows: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
                  value expressions: _col0 (type: string)
        Reducer 3 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Inner Join 0 to 1
                keys:
                  0 
                  1 
                outputColumnNames: _col0
                Statistics: Num rows: 197750 Data size: 17204250 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 197750 Data size: 17204250 Basic stats: COMPLETE Column stats: COMPLETE
                  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[14][tables = [$hdt$_0, $hdt$_1]] in Stage 'Reducer 2' is a cross product
Warning: Shuffle Join MERGEJOIN[15][tables = [$hdt$_0, $hdt$_1, $hdt$_2]] in Stage 'Reducer 3' is a cross product
PREHOOK: query: explain
select src1.key from src src1 left outer join src src2 join src src3
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 left outer join src src2 join src src3
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 (CUSTOM_SIMPLE_EDGE), Map 4 (CUSTOM_SIMPLE_EDGE)
        Reducer 3 <- Map 4 (XPROD_EDGE), Reducer 2 (XPROD_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  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
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                      value expressions: _col0 (type: string)
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src2
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
                  Select Operator
                    Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
                    Reduce Output Operator
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
                    Reduce Output Operator
                      null sort order: 
                      sort order: 
                      Statistics: Num rows: 500 Data size: 2000 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Left Outer Join 0 to 1
                keys:
                  0 
                  1 
                outputColumnNames: _col0
                Statistics: Num rows: 250000 Data size: 21750000 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  null sort order: 
                  sort order: 
                  Statistics: Num rows: 250000 Data size: 21750000 Basic stats: COMPLETE Column stats: COMPLETE
                  value expressions: _col0 (type: string)
        Reducer 3 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Inner Join 0 to 1
                keys:
                  0 
                  1 
                outputColumnNames: _col0
                Statistics: Num rows: 125000000 Data size: 10875000000 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 125000000 Data size: 10875000000 Basic stats: COMPLETE Column stats: COMPLETE
                  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: explain
select src1.key from src src1 left outer join src src2 on src1.key=src2.key join src src3 on src1.key=src3.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: explain
select src1.key from src src1 left outer join src src2 on src1.key=src2.key join src src3 on src1.key=src3.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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 1 (SIMPLE_EDGE), Reducer 2 (SIMPLE_EDGE)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src1
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
                      Reduce Output Operator
                        key expressions: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src2
                  filterExpr: key is not null (type: boolean)
                  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: _col0 (type: string)
                        null sort order: z
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
                        Statistics: Num rows: 500 Data size: 43500 Basic stats: COMPLETE Column stats: COMPLETE
            Execution mode: vectorized, llap
            LLAP IO: all inputs
        Reducer 2 
            Execution mode: llap
            Reduce Operator Tree:
              Merge Join Operator
                condition map:
                     Left Outer Join 0 to 1
                keys:
                  0 _col0 (type: string)
                  1 _col0 (type: string)
                outputColumnNames: _col0
                Statistics: Num rows: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
                Reduce Output Operator
                  key expressions: _col0 (type: string)
                  null sort order: z
                  sort order: +
                  Map-reduce partition columns: _col0 (type: string)
                  Statistics: Num rows: 791 Data size: 68817 Basic stats: COMPLETE Column stats: COMPLETE
        Reducer 3 
            Execution mode: llap
            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: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 1251 Data size: 108837 Basic stats: COMPLETE Column stats: COMPLETE
                  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