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You'll need to send an escape message to communicate to the DB2 (and
indirectly your end user) that you do not want this record
inserted/updated/deleted. See 11.3 section (Trigger feedback to application
programs) in this redbook:
http://www.redbooks.ibm.com/abstracts/sg246503.html
It illustrates how DB2 handles the exception and what the final error
message is.
Elvis
Celebrating 11-Years of SQL Performance Excellence on IBM i, i5/OS and
OS/400
www.centerfieldtechnology.com
-----Original Message-----
Subject: Re: Trigger question -- really batting a thousand
The easiest way to veto a change from a "before" trigger is what? Cause
the trigger program to fail with a fatal error? I know I have an example
of a trigger program that vetoes everything unconditionally (I wrote one
to exercise QuestView's trigger veto detection feature some years ago),
but I can't remember what it did, or where I put it.
midrange.com
