Saving all output to "!!{outputDirectory}!!/udf_datediff.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_datediff.q
>>>  DESCRIBE FUNCTION datediff;
'tab_name'
'datediff(date1, date2) - Returns the number of days between date1 and date2'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED datediff;
'tab_name'
'datediff(date1, date2) - Returns the number of days between date1 and date2'
'date1 and date2 are strings in the format 'yyyy-MM-dd HH:mm:ss' or 'yyyy-MM-dd'. The time parts are ignored.If date1 is earlier than date2, the result is negative.'
'Example:'
'   > SELECT datediff('2009-07-30', '2009-07-31') FROM src LIMIT 1;'
'  1'
5 rows selected 
>>>  !record