PREHOOK: query: EXPLAIN
SELECT CASE a.key
        WHEN '1' THEN 2
        WHEN '3' THEN 4
        ELSE 5
       END as key
FROM src a JOIN src b
ON a.key = b.key
ORDER BY key LIMIT 10
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
SELECT CASE a.key
        WHEN '1' THEN 2
        WHEN '3' THEN 4
        ELSE 5
       END as key
FROM src a JOIN src b
ON a.key = b.key
ORDER BY 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: a
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: key is not null (type: boolean)
              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
              Select Operator
                expressions: key (type: string)
                outputColumnNames: _col0
                Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
          TableScan
            alias: a
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: key is not null (type: boolean)
              Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
              Select Operator
                expressions: key (type: string)
                outputColumnNames: _col0
                Statistics: Num rows: 250 Data size: 2656 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: 250 Data size: 2656 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
          Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
          Select Operator
            expressions: CASE (_col0) WHEN ('1') THEN (2) WHEN ('3') THEN (4) ELSE (5) END (type: int)
            outputColumnNames: _col0
            Statistics: Num rows: 275 Data size: 2921 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: int)
              sort order: +
              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
      Reduce Operator Tree:
        Select Operator
          expressions: KEY.reducesinkkey0 (type: int)
          outputColumnNames: _col0
          Statistics: Num rows: 275 Data size: 2921 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 CASE a.key
        WHEN '1' THEN 2
        WHEN '3' THEN 4
        ELSE 5
       END as key
FROM src a JOIN src b
ON a.key = b.key
ORDER BY key LIMIT 10
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT CASE a.key
        WHEN '1' THEN 2
        WHEN '3' THEN 4
        ELSE 5
       END as key
FROM src a JOIN src b
ON a.key = b.key
ORDER BY key LIMIT 10
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
5
5
5
5
5
5
5
5
5
5