F_AGEINHOURSN

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F_AGEINHOURSN

 

substitutable with DATEDIFF

  • function from adhoc
  • Compatible with UTF-8
  • Input TIMESTAMP (older) date optionally time 1, TIMESTAMP (newer) date optionally time 2
  • Output INTEGER difference in (integer) hours between timestamp 1 and timestamp 2

if you want <null> if the first date is newer than the second date

Example

 SELECT NULL AS ISCORRECT, F_AGEINHOURSN('01.11.2018 15:01:03','01.10.2018 18:01:03') FROM RDB$DATABASE;;

Expected results:

 ISCORRECT F_AGEINHOURSN
 ========= =============
 <null>           <null>

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