PREHOOK: query: DESCRIBE FUNCTION repeat
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION repeat
POSTHOOK: type: DESCFUNCTION
repeat(str, n) - repeat str n times 
PREHOOK: query: DESCRIBE FUNCTION EXTENDED repeat
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED repeat
POSTHOOK: type: DESCFUNCTION
repeat(str, n) - repeat str n times 
Example:
  > SELECT repeat('123', 2) FROM src LIMIT 1;
  '123123'
PREHOOK: query: EXPLAIN SELECT
  repeat("Facebook", 3),
  repeat("", 4),
  repeat("asd", 0),
  repeat("asdf", -1)
FROM src tablesample (1 rows)
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN SELECT
  repeat("Facebook", 3),
  repeat("", 4),
  repeat("asd", 0),
  repeat("asdf", -1)
FROM src tablesample (1 rows)
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-0
    Fetch Operator
      limit: -1
      Processor Tree:
        TableScan
          alias: src
          Row Limit Per Split: 1
          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
          Select Operator
            expressions: 'FacebookFacebookFacebook' (type: string), '' (type: string), '' (type: string), '' (type: string)
            outputColumnNames: _col0, _col1, _col2, _col3
            Statistics: Num rows: 500 Data size: 180000 Basic stats: COMPLETE Column stats: COMPLETE
            ListSink

PREHOOK: query: SELECT
  repeat("Facebook", 3),
  repeat("", 4),
  repeat("asd", 0),
  repeat("asdf", -1)
FROM src tablesample (1 rows)
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT
  repeat("Facebook", 3),
  repeat("", 4),
  repeat("asd", 0),
  repeat("asdf", -1)
FROM src tablesample (1 rows)
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
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