Saving all output to "!!{outputDirectory}!!/udf_lower.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_lower.q
>>>  DESCRIBE FUNCTION lower;
'tab_name'
'lower(str) - Returns str with all characters changed to lowercase'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED lower;
'tab_name'
'lower(str) - Returns str with all characters changed to lowercase'
'Synonyms: lcase'
'Example:'
'  > SELECT lower('Facebook') FROM src LIMIT 1;'
'  'facebook''
5 rows selected 
>>>  
>>>  EXPLAIN 
SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86;
'Explain'
'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 lower 'AbC 123')) (TOK_SELEXPR (TOK_FUNCTION upper 'AbC 123'))) (TOK_WHERE (= (TOK_TABLE_OR_COL key) 86))))'
''
'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'
'            Filter Operator'
'              predicate:'
'                  expr: (key = 86.0)'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: lower('AbC 123')'
'                      type: string'
'                      expr: upper('AbC 123')'
'                      type: string'
'                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'
''
''
37 rows selected 
>>>  
>>>  SELECT lower('AbC 123'), upper('AbC 123') FROM src WHERE key = 86;
'_c0','_c1'
'abc 123','ABC 123'
1 row selected 
>>>  !record