PREHOOK: query: DESCRIBE FUNCTION space
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION space
POSTHOOK: type: DESCFUNCTION
space(n) - returns n spaces
PREHOOK: query: DESCRIBE FUNCTION EXTENDED space
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED space
POSTHOOK: type: DESCFUNCTION
space(n) - returns n spaces
Example:
   > SELECT space(2) FROM src LIMIT 1;
  '  '
PREHOOK: query: EXPLAIN SELECT
  space(10),
  space(0),
  space(1),
  space(-1),
  space(-100)
FROM src LIMIT 1
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN SELECT
  space(10),
  space(0),
  space(1),
  space(-1),
  space(-100)
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 space 10)) (TOK_SELEXPR (TOK_FUNCTION space 0)) (TOK_SELEXPR (TOK_FUNCTION space 1)) (TOK_SELEXPR (TOK_FUNCTION space (- 1))) (TOK_SELEXPR (TOK_FUNCTION space (- 100)))) (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: space(10)
                    type: string
                    expr: space(0)
                    type: string
                    expr: space(1)
                    type: string
                    expr: space((- 1))
                    type: string
                    expr: space((- 100))
                    type: string
              outputColumnNames: _col0, _col1, _col2, _col3, _col4
              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
  length(space(10)),
  length(space(0)),
  length(space(1)),
  length(space(-1)),
  length(space(-100))
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT
  length(space(10)),
  length(space(0)),
  length(space(1)),
  length(space(-1)),
  length(space(-100))
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
10	0	1	0	0
PREHOOK: query: SELECT
  space(10),
  space(0),
  space(1),
  space(-1),
  space(-100)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT
  space(10),
  space(0),
  space(1),
  space(-1),
  space(-100)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####