PREHOOK: query: explain
select count(*) from srcpart a join srcpart b on a.key = b.key and a.hr = b.hr join srcpart c on a.hr = c.hr and a.key = c.key
PREHOOK: type: QUERY
POSTHOOK: query: explain
select count(*) from srcpart a join srcpart b on a.key = b.key and a.hr = b.hr join srcpart c on a.hr = c.hr and a.key = c.key
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Spark
      Edges:
        Reducer 2 <- Map 1 (PARTITION-LEVEL SORT, 2), Map 4 (PARTITION-LEVEL SORT, 2), Map 5 (PARTITION-LEVEL SORT, 2)
        Reducer 3 <- Reducer 2 (GROUP, 1)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: a
                  Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: key is not null (type: boolean)
                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                    Select Operator
                      expressions: key (type: string), hr (type: string)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                      Reduce Output Operator
                        key expressions: _col0 (type: string), _col1 (type: string)
                        sort order: ++
                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: a
                  Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: key is not null (type: boolean)
                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                    Select Operator
                      expressions: key (type: string), hr (type: string)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                      Reduce Output Operator
                        key expressions: _col0 (type: string), _col1 (type: string)
                        sort order: ++
                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
        Map 5 
            Map Operator Tree:
                TableScan
                  alias: a
                  Statistics: Num rows: 2000 Data size: 21248 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: key is not null (type: boolean)
                    Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                    Select Operator
                      expressions: key (type: string), hr (type: string)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
                      Reduce Output Operator
                        key expressions: _col0 (type: string), _col1 (type: string)
                        sort order: ++
                        Map-reduce partition columns: _col0 (type: string), _col1 (type: string)
                        Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE
        Reducer 2 
            Reduce Operator Tree:
              Join Operator
                condition map:
                     Inner Join 0 to 1
                     Inner Join 0 to 2
                keys:
                  0 _col0 (type: string), _col1 (type: string)
                  1 _col0 (type: string), _col1 (type: string)
                  2 _col0 (type: string), _col1 (type: string)
                Statistics: Num rows: 2200 Data size: 23372 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
                Select Operator
                  expressions: _col0 (type: bigint)
                  outputColumnNames: _col0
                  Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                  File Output Operator
                    compressed: false
                    Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
                    table:
                        input format: org.apache.hadoop.mapred.TextInputFormat
                        output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
                        serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe

  Stage: Stage-0
    Fetch Operator
      limit: -1
      Processor Tree:
        ListSink

PREHOOK: query: select count(*) from srcpart a join srcpart b on a.key = b.key and a.hr = b.hr join srcpart c on a.hr = c.hr and a.key = c.key
PREHOOK: type: QUERY
PREHOOK: Input: default@srcpart
PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
PREHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
#### A masked pattern was here ####
POSTHOOK: query: select count(*) from srcpart a join srcpart b on a.key = b.key and a.hr = b.hr join srcpart c on a.hr = c.hr and a.key = c.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@srcpart
POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11
POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=12
POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=11
POSTHOOK: Input: default@srcpart@ds=2008-04-09/hr=12
#### A masked pattern was here ####
42464