PREHOOK: query: DESCRIBE FUNCTION lpad
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION lpad
POSTHOOK: type: DESCFUNCTION
lpad(str, len, pad) - Returns str, left-padded with pad to a length of len
PREHOOK: query: DESCRIBE FUNCTION EXTENDED lpad
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED lpad
POSTHOOK: type: DESCFUNCTION
lpad(str, len, pad) - Returns str, left-padded with pad to a length of len
If str is longer than len, the return value is shortened to len characters.
Example:
  > SELECT lpad('hi', 5, '??') FROM src LIMIT 1;
  '???hi'  > SELECT lpad('hi', 1, '??') FROM src LIMIT 1;
  'h'
PREHOOK: query: EXPLAIN SELECT
  lpad('hi', 1, '?'),
  lpad('hi', 5, '.'),
  lpad('hi', 6, '123')
FROM src LIMIT 1
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN SELECT
  lpad('hi', 1, '?'),
  lpad('hi', 5, '.'),
  lpad('hi', 6, '123')
FROM src LIMIT 1
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION lpad 'hi' 1 '?')) (TOK_SELEXPR (TOK_FUNCTION lpad 'hi' 5 '.')) (TOK_SELEXPR (TOK_FUNCTION lpad 'hi' 6 '123'))) (TOK_LIMIT 1)))

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: lpad('hi', 1, '?')
                    type: string
                    expr: lpad('hi', 5, '.')
                    type: string
                    expr: lpad('hi', 6, '123')
                    type: string
              outputColumnNames: _col0, _col1, _col2
              Limit
                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
  lpad('hi', 1, '?'),
  lpad('hi', 5, '.'),
  lpad('hi', 6, '123')
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-37-40_883_8397950012459934370/-mr-10000
POSTHOOK: query: SELECT
  lpad('hi', 1, '?'),
  lpad('hi', 5, '.'),
  lpad('hi', 6, '123')
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-37-40_883_8397950012459934370/-mr-10000
h	...hi	1231hi