Saving all output to "!!{outputDirectory}!!/udf_isnull_isnotnull.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_isnull_isnotnull.q
>>>  DESCRIBE FUNCTION isnull;
'tab_name'
'isnull a - Returns true if a is NULL and false otherwise'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED isnull;
'tab_name'
'isnull a - Returns true if a is NULL and false otherwise'
1 row selected 
>>>  
>>>  DESCRIBE FUNCTION isnotnull;
'tab_name'
'isnotnull a - Returns true if a is not NULL and false otherwise'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED isnotnull;
'tab_name'
'isnotnull a - Returns true if a is not NULL and false otherwise'
1 row selected 
>>>  
>>>  
>>>  EXPLAIN 
SELECT NULL IS NULL, 
1 IS NOT NULL, 
'my string' IS NOT NULL 
FROM src 
WHERE true IS NOT NULL LIMIT 1;
'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 TOK_ISNULL TOK_NULL)) (TOK_SELEXPR (TOK_FUNCTION TOK_ISNOTNULL 1)) (TOK_SELEXPR (TOK_FUNCTION TOK_ISNOTNULL 'my string'))) (TOK_WHERE (TOK_FUNCTION TOK_ISNOTNULL true)) (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'
'            Filter Operator'
'              predicate:'
'                  expr: true is not null'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: null is null'
'                      type: boolean'
'                      expr: 1 is not null'
'                      type: boolean'
'                      expr: 'my string' is not null'
'                      type: boolean'
'                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'
''
''
40 rows selected 
>>>  
>>>  
>>>  SELECT NULL IS NULL, 
1 IS NOT NULL, 
'my string' IS NOT NULL 
FROM src 
WHERE true IS NOT NULL LIMIT 1;
'_c0','_c1','_c2'
'true','true','true'
1 row selected 
>>>  
>>>  
>>>  EXPLAIN 
FROM src_thrift 
SELECT src_thrift.lint IS NOT NULL, 
src_thrift.lintstring IS NOT NULL, 
src_thrift.mstringstring IS NOT NULL 
WHERE  src_thrift.lint IS NOT NULL 
AND NOT (src_thrift.mstringstring IS NULL) LIMIT 1;
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src_thrift))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION TOK_ISNOTNULL (. (TOK_TABLE_OR_COL src_thrift) lint))) (TOK_SELEXPR (TOK_FUNCTION TOK_ISNOTNULL (. (TOK_TABLE_OR_COL src_thrift) lintstring))) (TOK_SELEXPR (TOK_FUNCTION TOK_ISNOTNULL (. (TOK_TABLE_OR_COL src_thrift) mstringstring)))) (TOK_WHERE (AND (TOK_FUNCTION TOK_ISNOTNULL (. (TOK_TABLE_OR_COL src_thrift) lint)) (NOT (TOK_FUNCTION TOK_ISNULL (. (TOK_TABLE_OR_COL src_thrift) mstringstring))))) (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_thrift '
'          TableScan'
'            alias: src_thrift'
'            Filter Operator'
'              predicate:'
'                  expr: (lint is not null and (not mstringstring is null))'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: lint is not null'
'                      type: boolean'
'                      expr: lintstring is not null'
'                      type: boolean'
'                      expr: mstringstring is not null'
'                      type: boolean'
'                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'
''
''
40 rows selected 
>>>  
>>>  
>>>  FROM src_thrift 
SELECT src_thrift.lint IS NOT NULL, 
src_thrift.lintstring IS NOT NULL, 
src_thrift.mstringstring IS NOT NULL 
WHERE  src_thrift.lint IS NOT NULL 
AND NOT (src_thrift.mstringstring IS NULL) LIMIT 1;
'_c0','_c1','_c2'
'true','true','true'
1 row selected 
>>>  !record