PREHOOK: query: explain
SELECT count(1)
FROM
(
SELECT src.key, src.value from src
UNION ALL
SELECT DISTINCT src.key, src.value from src
) src_12
JOIN
(SELECT src.key as k, src.value as v from src) src3
ON src_12.key = src3.k AND src3.k < 200
PREHOOK: type: QUERY
POSTHOOK: query: explain
SELECT count(1)
FROM
(
SELECT src.key, src.value from src
UNION ALL
SELECT DISTINCT src.key, src.value from src
) src_12
JOIN
(SELECT src.key as k, src.value as v from src) src3
ON src_12.key = src3.k AND src3.k < 200
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 6 (PARTITION-LEVEL SORT, 2), Reducer 5 (PARTITION-LEVEL SORT, 2)
        Reducer 5 <- Map 4 (GROUP, 2)
        Reducer 3 <- Reducer 2 (GROUP, 1)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src
                  Filter Operator
                    predicate: (key < 200) (type: boolean)
                    Select Operator
                      expressions: key (type: string)
                      outputColumnNames: _col0
                      Reduce Output Operator
                        key expressions: _col0 (type: string)
                        sort order: +
                        Map-reduce partition columns: _col0 (type: string)
        Map 4 
            Map Operator Tree:
                TableScan
                  alias: src
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: (key < 200) (type: boolean)
                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
                    Group By Operator
                      keys: key (type: string), value (type: string)
                      mode: hash
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 166 Data size: 1763 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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
        Map 6 
            Map Operator Tree:
                TableScan
                  alias: src
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: (key < 200) (type: boolean)
                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
                    Select Operator
                      expressions: key (type: string)
                      outputColumnNames: _col0
                      Statistics: Num rows: 166 Data size: 1763 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: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
        Reducer 2 
            Reduce Operator Tree:
              Join Operator
                condition map:
                     Inner Join 0 to 1
                keys:
                  0 _col0 (type: string)
                  1 _col0 (type: string)
                Statistics: Num rows: 273 Data size: 2908 Basic stats: COMPLETE Column stats: NONE
                Group By Operator
                  aggregations: count(1)
                  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
        Reducer 5 
            Reduce Operator Tree:
              Group By Operator
                keys: KEY._col0 (type: string), KEY._col1 (type: string)
                mode: mergepartial
                outputColumnNames: _col0, _col1
                Select Operator
                  expressions: _col0 (type: string)
                  outputColumnNames: _col0
                  Reduce Output Operator
                    key expressions: _col0 (type: string)
                    sort order: +
                    Map-reduce partition columns: _col0 (type: string)

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

PREHOOK: query: SELECT count(1)
FROM
(
SELECT src.key, src.value from src
UNION ALL
SELECT DISTINCT src.key, src.value from src
) src_12
JOIN
(SELECT src.key as k, src.value as v from src) src3
ON src_12.key = src3.k AND src3.k < 200
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT count(1)
FROM
(
SELECT src.key, src.value from src
UNION ALL
SELECT DISTINCT src.key, src.value from src
) src_12
JOIN
(SELECT src.key as k, src.value as v from src) src3
ON src_12.key = src3.k AND src3.k < 200
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
548