PREHOOK: query: explain
select *, sum(key) from src group by key, value limit 10
PREHOOK: type: QUERY
POSTHOOK: query: explain
select *, sum(key) from src group by key, value limit 10
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Select Operator
              expressions: key (type: string), value (type: string)
              outputColumnNames: _col0, _col1
              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
              Group By Operator
                aggregations: sum(_col0)
                keys: _col0 (type: string), _col1 (type: string)
                mode: hash
                outputColumnNames: _col0, _col1, _col2
                Statistics: Num rows: 500 Data size: 5312 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: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
                  value expressions: _col2 (type: double)
      Reduce Operator Tree:
        Group By Operator
          aggregations: sum(VALUE._col0)
          keys: KEY._col0 (type: string), KEY._col1 (type: string)
          mode: mergepartial
          outputColumnNames: _col0, _col1, _col2
          Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
          Limit
            Number of rows: 10
            Statistics: Num rows: 10 Data size: 100 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              Statistics: Num rows: 10 Data size: 100 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: 10
      Processor Tree:
        ListSink

PREHOOK: query: select *, sum(key) from src group by key, value limit 10
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: select *, sum(key) from src group by key, value limit 10
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0	val_0	0.0
10	val_10	10.0
100	val_100	200.0
103	val_103	206.0
104	val_104	208.0
105	val_105	105.0
11	val_11	11.0
111	val_111	111.0
113	val_113	226.0
114	val_114	114.0
PREHOOK: query: explain
select *, sum(key) from src where key < 100 group by key, value limit 10
PREHOOK: type: QUERY
POSTHOOK: query: explain
select *, sum(key) from src where key < 100 group by key, value limit 10
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (UDFToDouble(key) < 100.0) (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
                Group By Operator
                  aggregations: sum(_col0)
                  keys: _col0 (type: string), _col1 (type: string)
                  mode: hash
                  outputColumnNames: _col0, _col1, _col2
                  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
                    value expressions: _col2 (type: double)
      Reduce Operator Tree:
        Group By Operator
          aggregations: sum(VALUE._col0)
          keys: KEY._col0 (type: string), KEY._col1 (type: string)
          mode: mergepartial
          outputColumnNames: _col0, _col1, _col2
          Statistics: Num rows: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
          Limit
            Number of rows: 10
            Statistics: Num rows: 10 Data size: 100 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              Statistics: Num rows: 10 Data size: 100 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: 10
      Processor Tree:
        ListSink

PREHOOK: query: select *, sum(key) from src where key < 100 group by key, value limit 10
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: select *, sum(key) from src where key < 100 group by key, value limit 10
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0	val_0	0.0
10	val_10	10.0
11	val_11	11.0
12	val_12	24.0
15	val_15	30.0
17	val_17	17.0
18	val_18	36.0
19	val_19	19.0
2	val_2	2.0
20	val_20	20.0
PREHOOK: query: explain
select *, sum(key) from (select key from src where key < 100) a group by key limit 10
PREHOOK: type: QUERY
POSTHOOK: query: explain
select *, sum(key) from (select key from src where key < 100) a group by key limit 10
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (UDFToDouble(key) < 100.0) (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
                Group By Operator
                  aggregations: sum(_col0)
                  keys: _col0 (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)
                    sort order: +
                    Map-reduce partition columns: _col0 (type: string)
                    Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE Column stats: NONE
                    value expressions: _col1 (type: double)
      Reduce Operator Tree:
        Group By Operator
          aggregations: sum(VALUE._col0)
          keys: KEY._col0 (type: string)
          mode: mergepartial
          outputColumnNames: _col0, _col1
          Statistics: Num rows: 83 Data size: 881 Basic stats: COMPLETE Column stats: NONE
          Limit
            Number of rows: 10
            Statistics: Num rows: 10 Data size: 100 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              Statistics: Num rows: 10 Data size: 100 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: 10
      Processor Tree:
        ListSink

PREHOOK: query: select *, sum(key) from (select key from src where key < 100) a group by key limit 10
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: select *, sum(key) from (select key from src where key < 100) a group by key limit 10
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0	0.0
10	10.0
11	11.0
12	24.0
15	30.0
17	17.0
18	36.0
19	19.0
2	2.0
20	20.0
PREHOOK: query: explain
select a.*, sum(src.key) from (select key from src where key < 100) a 
inner join src on a.key = src.key group by a.key limit 10
PREHOOK: type: QUERY
POSTHOOK: query: explain
select a.*, sum(src.key) from (select key from src where key < 100) a 
inner join src on a.key = src.key group by a.key limit 10
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-2 depends on stages: Stage-1
  Stage-0 depends on stages: Stage-2

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (UDFToDouble(key) < 100.0) (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
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (UDFToDouble(key) < 100.0) (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
      Reduce Operator Tree:
        Join Operator
          condition map:
               Inner Join 0 to 1
          keys:
            0 _col0 (type: string)
            1 _col0 (type: string)
          outputColumnNames: _col0, _col1
          Statistics: Num rows: 182 Data size: 1939 Basic stats: COMPLETE Column stats: NONE
          Group By Operator
            aggregations: sum(_col1)
            keys: _col0 (type: string)
            mode: hash
            outputColumnNames: _col0, _col1
            Statistics: Num rows: 182 Data size: 1939 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              table:
                  input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
                  serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe

  Stage: Stage-2
    Map Reduce
      Map Operator Tree:
          TableScan
            Reduce Output Operator
              key expressions: _col0 (type: string)
              sort order: +
              Map-reduce partition columns: _col0 (type: string)
              Statistics: Num rows: 182 Data size: 1939 Basic stats: COMPLETE Column stats: NONE
              value expressions: _col1 (type: double)
      Reduce Operator Tree:
        Group By Operator
          aggregations: sum(VALUE._col0)
          keys: KEY._col0 (type: string)
          mode: mergepartial
          outputColumnNames: _col0, _col1
          Statistics: Num rows: 91 Data size: 969 Basic stats: COMPLETE Column stats: NONE
          Limit
            Number of rows: 10
            Statistics: Num rows: 10 Data size: 100 Basic stats: COMPLETE Column stats: NONE
            File Output Operator
              compressed: false
              Statistics: Num rows: 10 Data size: 100 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: 10
      Processor Tree:
        ListSink

PREHOOK: query: select a.*, sum(src.key) from (select key from src where key < 100) a 
inner join src on a.key = src.key group by a.key limit 10
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: select a.*, sum(src.key) from (select key from src where key < 100) a 
inner join src on a.key = src.key group by a.key limit 10
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0	0.0
10	10.0
11	11.0
12	48.0
15	60.0
17	17.0
18	72.0
19	19.0
2	2.0
20	20.0