PREHOOK: query: drop table tst
PREHOOK: type: DROPTABLE
POSTHOOK: query: drop table tst
POSTHOOK: type: DROPTABLE
PREHOOK: query: create table tst(a int, b int) partitioned by (d string)
PREHOOK: type: CREATETABLE
POSTHOOK: query: create table tst(a int, b int) partitioned by (d string)
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@tst
PREHOOK: query: alter table tst add partition (d='2009-01-01')
PREHOOK: type: ALTERTABLE_ADDPARTS
POSTHOOK: query: alter table tst add partition (d='2009-01-01')
POSTHOOK: type: ALTERTABLE_ADDPARTS
POSTHOOK: Output: default@tst@d=2009-01-01
PREHOOK: query: explain
select count(1) from tst x where x.d='2009-01-01'
PREHOOK: type: QUERY
POSTHOOK: query: explain
select count(1) from tst x where x.d='2009-01-01'
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF tst x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 1))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL x) d) '2009-01-01'))))

STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Alias -> Map Operator Tree:
        x 
          TableScan
            alias: x
            Filter Operator
              predicate:
                  expr: (d = '2009-01-01')
                  type: boolean
              Filter Operator
                predicate:
                    expr: (d = '2009-01-01')
                    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: _col0
                  type: bigint
            outputColumnNames: _col0
            File Output Operator
              compressed: false
              GlobalTableId: 0
              table:
                  input format: org.apache.hadoop.mapred.TextInputFormat
                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat

  Stage: Stage-0
    Fetch Operator
      limit: -1


PREHOOK: query: select count(1) from tst x where x.d='2009-01-01'
PREHOOK: type: QUERY
PREHOOK: Input: default@tst@d=2009-01-01
PREHOOK: Output: file:/data/users/heyongqiang/hive-trunk-commit/build/ql/tmp/1844534662/10000
POSTHOOK: query: select count(1) from tst x where x.d='2009-01-01'
POSTHOOK: type: QUERY
POSTHOOK: Input: default@tst@d=2009-01-01
POSTHOOK: Output: file:/data/users/heyongqiang/hive-trunk-commit/build/ql/tmp/1844534662/10000
0
PREHOOK: query: drop table tst
PREHOOK: type: DROPTABLE
POSTHOOK: query: drop table tst
POSTHOOK: type: DROPTABLE
POSTHOOK: Output: default@tst