PREHOOK: query: explain
SELECT sum(hash(src1.c1, src2.c4)) 
FROM
(SELECT src.key as c1, src.value as c2 from src) src1
JOIN
(SELECT src.key as c3, src.value as c4 from src) src2
ON src1.c1 = src2.c3 AND src1.c1 < 100
PREHOOK: type: QUERY
POSTHOOK: query: explain
SELECT sum(hash(src1.c1, src2.c4)) 
FROM
(SELECT src.key as c1, src.value as c2 from src) src1
JOIN
(SELECT src.key as c3, src.value as c4 from src) src2
ON src1.c1 = src2.c3 AND src1.c1 < 100
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-2 is a root stage
  Stage-1 depends on stages: Stage-2
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-2
    Spark
#### A masked pattern was here ####
      Vertices:
        Map 3 
            Map Operator Tree:
                TableScan
                  alias: src
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: (key < 100) (type: boolean)
                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
                    Select Operator
                      expressions: key (type: string), value (type: string)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
                      Spark HashTable Sink Operator
                        keys:
                          0 _col0 (type: string)
                          1 _col0 (type: string)
            Local Work:
              Map Reduce Local Work

  Stage: Stage-1
    Spark
      Edges:
        Reducer 2 <- Map 1 (GROUP, 1)
#### A masked pattern was here ####
      Vertices:
        Map 1 
            Map Operator Tree:
                TableScan
                  alias: src
                  Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                  Filter Operator
                    predicate: (key < 100) (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
                      Map Join Operator
                        condition map:
                             Inner Join 0 to 1
                        keys:
                          0 _col0 (type: string)
                          1 _col0 (type: string)
                        outputColumnNames: _col0, _col3
                        input vertices:
                          1 Map 3
                        Statistics: Num rows: 182 Data size: 1939 Basic stats: COMPLETE Column stats: NONE
                        Group By Operator
                          aggregations: sum(hash(_col0,_col3))
                          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)
            Local Work:
              Map Reduce Local Work
        Reducer 2 
            Reduce Operator Tree:
              Group By Operator
                aggregations: sum(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 sum(hash(src1.c1, src2.c4)) 
FROM
(SELECT src.key as c1, src.value as c2 from src) src1
JOIN
(SELECT src.key as c3, src.value as c4 from src) src2
ON src1.c1 = src2.c3 AND src1.c1 < 100
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT sum(hash(src1.c1, src2.c4)) 
FROM
(SELECT src.key as c1, src.value as c2 from src) src1
JOIN
(SELECT src.key as c3, src.value as c4 from src) src2
ON src1.c1 = src2.c3 AND src1.c1 < 100
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
-101333194320