PREHOOK: query: create table dest32(a int)
PREHOOK: type: CREATETABLE
POSTHOOK: query: create table dest32(a int)
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@dest32
PREHOOK: query: create table tst_dest32(a int)
PREHOOK: type: CREATETABLE
POSTHOOK: query: create table tst_dest32(a int)
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@tst_dest32
PREHOOK: query: explain 
insert overwrite table dest32
select count(1) from srcbucket
PREHOOK: type: QUERY
POSTHOOK: query: explain 
insert overwrite table dest32
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 dest32))) (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
            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: _col0
                  type: bigint
            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_dest32

  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_dest32

  Stage: Stage-2
    Stats-Aggr Operator


PREHOOK: query: insert overwrite table dest32
select count(1) from srcbucket
PREHOOK: type: QUERY
PREHOOK: Input: default@srcbucket
PREHOOK: Output: default@tst_dest32
POSTHOOK: query: insert overwrite table dest32
select count(1) from srcbucket
POSTHOOK: type: QUERY
POSTHOOK: Input: default@srcbucket
POSTHOOK: Output: default@tst_dest32
POSTHOOK: Lineage: tst_dest32.a EXPRESSION [(srcbucket)srcbucket.null, ]
PREHOOK: query: select * from tst_dest32
PREHOOK: type: QUERY
PREHOOK: Input: default@tst_dest32
PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-25_816_8083027825061354059/-mr-10000
POSTHOOK: query: select * from tst_dest32
POSTHOOK: type: QUERY
POSTHOOK: Input: default@tst_dest32
POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-25_816_8083027825061354059/-mr-10000
POSTHOOK: Lineage: tst_dest32.a EXPRESSION [(srcbucket)srcbucket.null, ]
1000