PREHOOK: query: CREATE TEMPORARY FUNCTION example_max_n AS 'org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxN'
PREHOOK: type: CREATEFUNCTION
POSTHOOK: query: CREATE TEMPORARY FUNCTION example_max_n AS 'org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxN'
POSTHOOK: type: CREATEFUNCTION
PREHOOK: query: EXPLAIN
SELECT example_max_n(substr(value,5),10),
       example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)
FROM src
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
SELECT example_max_n(substr(value,5),10),
       example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)
FROM src
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF src)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION example_max_n (TOK_FUNCTION substr (TOK_TABLE_OR_COL value) 5) 10)) (TOK_SELEXPR (TOK_FUNCTION example_max_n (TOK_FUNCTION IF (> (TOK_FUNCTION substr (TOK_TABLE_OR_COL value) 5) 250) TOK_NULL (TOK_FUNCTION substr (TOK_TABLE_OR_COL value) 5)) 10)))))

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:
        src 
          TableScan
            alias: src
            Select Operator
              expressions:
                    expr: value
                    type: string
              outputColumnNames: value
              Group By Operator
                aggregations:
                      expr: example_max_n(substr(value, 5), 10)
                      expr: example_max_n(if((substr(value, 5) > 250), null, substr(value, 5)), 10)
                bucketGroup: false
                mode: hash
                outputColumnNames: _col0, _col1
                Reduce Output Operator
                  sort order: 
                  tag: -1
                  value expressions:
                        expr: _col0
                        type: struct<a:array<double>,n:int>
                        expr: _col1
                        type: struct<a:array<double>,n:int>
      Reduce Operator Tree:
        Group By Operator
          aggregations:
                expr: example_max_n(VALUE._col0)
                expr: example_max_n(VALUE._col1)
          bucketGroup: false
          mode: mergepartial
          outputColumnNames: _col0, _col1
          Select Operator
            expressions:
                  expr: _col0
                  type: array<double>
                  expr: _col1
                  type: array<double>
            outputColumnNames: _col0, _col1
            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 example_max_n(substr(value,5),10),
       example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)
FROM src
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: file:/data/users/zshao/hadoop_hive_trunk2/build/contrib/scratchdir/hive_2010-02-03_21-18-51_159_789721602553735643/10000
POSTHOOK: query: SELECT example_max_n(substr(value,5),10),
       example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)
FROM src
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: file:/data/users/zshao/hadoop_hive_trunk2/build/contrib/scratchdir/hive_2010-02-03_21-18-51_159_789721602553735643/10000
[498.0,498.0,498.0,497.0,496.0,495.0,494.0,493.0,492.0,492.0]	[249.0,248.0,247.0,244.0,242.0,242.0,241.0,239.0,239.0,238.0]
PREHOOK: query: DROP TEMPORARY FUNCTION example_max_n
PREHOOK: type: DROPFUNCTION
POSTHOOK: query: DROP TEMPORARY FUNCTION example_max_n
POSTHOOK: type: DROPFUNCTION