PREHOOK: query: DESCRIBE FUNCTION lower
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION lower
POSTHOOK: type: DESCFUNCTION
lower(str) - Returns str with all characters changed to lowercase
PREHOOK: query: DESCRIBE FUNCTION EXTENDED lower
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED lower
POSTHOOK: type: DESCFUNCTION
lower(str) - Returns str with all characters changed to lowercase
Synonyms: lcase
Example:
  > SELECT lower('Facebook') FROM src LIMIT 1;
  'facebook'
Function class:org.apache.hadoop.hive.ql.udf.generic.GenericUDFLower
Function type:BUILTIN
PREHOOK: query: EXPLAIN
SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: EXPLAIN
SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
STAGE DEPENDENCIES:
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-0
    Fetch Operator
      limit: -1
      Processor Tree:
        TableScan
          alias: src
          filterExpr: (UDFToDouble(key) = 86.0D) (type: boolean)
          Filter Operator
            predicate: (UDFToDouble(key) = 86.0D) (type: boolean)
            Select Operator
              expressions: 'abc 123' (type: string), 'ABC 123' (type: string)
              outputColumnNames: _col0, _col1
              ListSink

PREHOOK: query: SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
abc 123	ABC 123