PREHOOK: query: CREATE TABLE dest1(c1 STRING) STORED AS TEXTFILE
PREHOOK: type: CREATETABLE
POSTHOOK: query: CREATE TABLE dest1(c1 STRING) STORED AS TEXTFILE
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@dest1
PREHOOK: query: EXPLAIN
FROM src
INSERT OVERWRITE TABLE dest1 SELECT substr(src.key,1,1) GROUP BY substr(src.key,1,1)
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
FROM src
INSERT OVERWRITE TABLE dest1 SELECT substr(src.key,1,1) GROUP BY substr(src.key,1,1)
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF src)) (TOK_INSERT (TOK_DESTINATION (TOK_TAB dest1)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL src) key) 1 1))) (TOK_GROUPBY (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL src) key) 1 1))))

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

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Alias -> Map Operator Tree:
        src 
          TableScan
            alias: src
            Select Operator
              expressions:
                    expr: key
                    type: string
              outputColumnNames: key
              Reduce Output Operator
                key expressions:
                      expr: substr(key, 1, 1)
                      type: string
                sort order: +
                Map-reduce partition columns:
                      expr: substr(key, 1, 1)
                      type: string
                tag: -1
      Reduce Operator Tree:
        Group By Operator
          bucketGroup: false
          keys:
                expr: KEY._col0
                type: string
          mode: complete
          outputColumnNames: _col0
          Select Operator
            expressions:
                  expr: _col0
                  type: string
            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: dest1

  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: dest1


PREHOOK: query: FROM src
INSERT OVERWRITE TABLE dest1 SELECT substr(src.key,1,1) GROUP BY substr(src.key,1,1)
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: default@dest1
POSTHOOK: query: FROM src
INSERT OVERWRITE TABLE dest1 SELECT substr(src.key,1,1) GROUP BY substr(src.key,1,1)
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: default@dest1
POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ]
PREHOOK: query: SELECT dest1.* FROM dest1
PREHOOK: type: QUERY
PREHOOK: Input: default@dest1
PREHOOK: Output: file:/data/users/athusoo/apache_workspaces/hive_trunk_ws1/.ptest_0/build/ql/scratchdir/hive_2010-04-05_18-08-56_089_1219089937794895800/10000
POSTHOOK: query: SELECT dest1.* FROM dest1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@dest1
POSTHOOK: Output: file:/data/users/athusoo/apache_workspaces/hive_trunk_ws1/.ptest_0/build/ql/scratchdir/hive_2010-04-05_18-08-56_089_1219089937794895800/10000
POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ]
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