PREHOOK: query: create table tst_dest31(a int)
PREHOOK: type: CREATETABLE
POSTHOOK: query: create table tst_dest31(a int)
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@tst_dest31
PREHOOK: query: create table dest31(a int)
PREHOOK: type: CREATETABLE
POSTHOOK: query: create table dest31(a int)
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@dest31
PREHOOK: query: explain 
insert overwrite table dest31
select count(1) from srcbucket
PREHOOK: type: QUERY
POSTHOOK: query: explain 
insert overwrite table dest31
select count(1) from srcbucket
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME srcbucket))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest31))) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 1)))))

STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1
  Stage-2 depends on stages: Stage-0

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Alias -> Map Operator Tree:
        srcbucket 
          TableScan
            alias: srcbucket
            Filter Operator
              predicate:
                  expr: (((hash(key) & 2147483647) % 2) = 0)
                  type: boolean
              Select Operator
                Group By Operator
                  aggregations:
                        expr: count(1)
                  bucketGroup: false
                  mode: hash
                  outputColumnNames: _col0
                  Reduce Output Operator
                    sort order: 
                    tag: -1
                    value expressions:
                          expr: _col0
                          type: bigint
      Reduce Operator Tree:
        Group By Operator
          aggregations:
                expr: count(VALUE._col0)
          bucketGroup: false
          mode: mergepartial
          outputColumnNames: _col0
          Select Operator
            expressions:
                  expr: UDFToInteger(_col0)
                  type: int
            outputColumnNames: _col0
            File Output Operator
              compressed: false
              GlobalTableId: 1
              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
                  name: default.tst_dest31

  Stage: Stage-0
    Move Operator
      tables:
          replace: true
          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
              name: default.tst_dest31

  Stage: Stage-2
    Stats-Aggr Operator


PREHOOK: query: insert overwrite table dest31
select count(1) from srcbucket
PREHOOK: type: QUERY
PREHOOK: Input: default@srcbucket
PREHOOK: Output: default@tst_dest31
POSTHOOK: query: insert overwrite table dest31
select count(1) from srcbucket
POSTHOOK: type: QUERY
POSTHOOK: Input: default@srcbucket
POSTHOOK: Output: default@tst_dest31
POSTHOOK: Lineage: tst_dest31.a EXPRESSION [(srcbucket)srcbucket.null, ]
PREHOOK: query: select * from tst_dest31
PREHOOK: type: QUERY
PREHOOK: Input: default@tst_dest31
#### A masked pattern was here ####
POSTHOOK: query: select * from tst_dest31
POSTHOOK: type: QUERY
POSTHOOK: Input: default@tst_dest31
#### A masked pattern was here ####
POSTHOOK: Lineage: tst_dest31.a EXPRESSION [(srcbucket)srcbucket.null, ]
493