PREHOOK: query: explain select * from (select * from src cluster by key) a join src b on a.key = b.key limit 1
PREHOOK: type: QUERY
POSTHOOK: query: explain select * from (select * from src cluster by key) a join src b on a.key = b.key limit 1
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-5 depends on stages: Stage-1
  Stage-4 depends on stages: Stage-5
  Stage-0 depends on stages: Stage-4

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: 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), value (type: string)
                outputColumnNames: _col0, _col1
                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
                  value expressions: _col1 (type: string)
      Reduce Operator Tree:
        Select Operator
          expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 (type: string)
          outputColumnNames: _col0, _col1
          Statistics: Num rows: 250 Data size: 2656 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-5
    Map Reduce Local Work
      Alias -> Map Local Tables:
        b 
          Fetch Operator
            limit: -1
      Alias -> Map Local Operator Tree:
        b 
          TableScan
            alias: b
            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
              HashTable Sink Operator
                keys:
                  0 _col0 (type: string)
                  1 key (type: string)

  Stage: Stage-4
    Map Reduce
      Map Operator Tree:
          TableScan
            Map Join Operator
              condition map:
                   Inner Join 0 to 1
              keys:
                0 _col0 (type: string)
                1 key (type: string)
              outputColumnNames: _col0, _col1, _col2, _col3
              Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
              Limit
                Number of rows: 1
                Statistics: Num rows: 1 Data size: 10 Basic stats: COMPLETE Column stats: NONE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 1 Data size: 10 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
      Local Work:
        Map Reduce Local Work

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