Saving all output to "!!{outputDirectory}!!/udf_equal.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_equal.q
>>>  DESCRIBE FUNCTION =;
'tab_name'
'a = b - Returns TRUE if a equals b and false otherwise'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED =;
'tab_name'
'a = b - Returns TRUE if a equals b and false otherwise'
'Synonyms: =='
2 rows selected 
>>>  
>>>  DESCRIBE FUNCTION ==;
'tab_name'
'a == b - Returns TRUE if a equals b and false otherwise'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED ==;
'tab_name'
'a == b - Returns TRUE if a equals b and false otherwise'
'Synonyms: ='
2 rows selected 
>>>  
>>>  SELECT true=false, false=true, false=false, true=true, NULL=NULL, true=NULL, NULL=true, false=NULL, NULL=false FROM src LIMIT 1;
'_c0','_c1','_c2','_c3','_c4','_c5','_c6','_c7','_c8'
'false','false','true','true','','','','',''
1 row selected 
>>>  
>>>  DESCRIBE FUNCTION <=>;
'tab_name'
'a <=> b - Returns same result with EQUAL(=) operator for non-null operands, but returns TRUE if both are NULL, FALSE if one of the them is NULL'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED <=>;
'tab_name'
'a <=> b - Returns same result with EQUAL(=) operator for non-null operands, but returns TRUE if both are NULL, FALSE if one of the them is NULL'
1 row selected 
>>>  
>>>  SELECT true<=>false, false<=>true, false<=>false, true<=>true, NULL<=>NULL, true<=>NULL, NULL<=>true, false<=>NULL, NULL<=>false FROM src LIMIT 1;
'_c0','_c1','_c2','_c3','_c4','_c5','_c6','_c7','_c8'
'false','false','true','true','true','false','false','false','false'
1 row selected 
>>>  !record