> I vaguely remember starting with a particular Firebird version, that the
> <> operator can be used on BLOB data to compare old and new BLOB data in
> an AFTER UPDATE trigger.
>
> Is the <> operator supposed to work on BLOB columns? If yes, for both,
> SUB_TYPE 1 *and* 0? If so, starting with what version?
>
> How about IS DISTINCT FROM on BLOB columns?

Any ideas?

Thanks.


--
Best Regards,
Thomas Steinmaurer
LogManager Series - Logging/Auditing Suites supporting
InterBase, Firebird, Advantage Database, MS SQL Server and
NexusDB V2
Upscene Productions
http://www.upscene.com
My blog:
http://blog.upscene.com/thomas/