Re: RPG400-L Digest, Vol 3, Issue 742

[rob@xxxxxxxxx]

You're right - you cannot modify the trigger buffer.  That is why I 
suggested your trigger program check the number of parameters.  That way 
if you do a direct call to the trigger program, and pass it no parameters, 
then it can translate what your saying into a 'go to sleep' command.

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





Mark Adkins <adkinsm@xxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
09/30/2004 05:19 PM
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Re: RPG400-L Digest, Vol 3, Issue 742






Triggers are called by the database, so I can't modify any of the trigger 
buffer.  The library lists are set up correctly, so everything can be 
updated by Excel.  The trigger fires at the delete not the commit or 
rollback, so if I don't modify the trigger at all to handle commitment 
control, then everything it does can not be rolled back.  I'm just having 
some trouble getting around some performance related open data paths in a 
trigger and having no way to close them without yanking the activation 
group.

Regards,

Mark

> ----- Message from rob@xxxxxxxxx on Thu, 30 Sep 2004 14:22:29 -0500 
-----
> To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
> Subject: RE: Commitment control and open data paths with triggers
> 
> Well, in theory you could write your trigger program to check the number 


> of parameters.  Then you could just manually call your trigger program 
> from the CL or whatever and not pass it any parms.  Then, the trigger 
> could say, "Hey I didn't get any parms.  I'm going to bed.".  RCLACTGRP 
> can get expensive.  But if you're always coding your trigger programs to 


> that activation group that's one method to do a kill them all with one 
> command shot.  Curious, what happens if your trigger is fired off by 
> someone doing an update to the file via Excel, or command line access 
> doing UPDDTA?  then again, a trigger with a bad library list might be 
one 
> way to stop users from trying to update those files.  The update won't 
> work because the trigger should fail. 
> 
> Rob Berendt
> -- 
> Group Dekko Services, LLC
> Dept 01.073
> PO Box 2000
> Dock 108
> 6928N 400E
> Kendallville, IN 46755
> http://www.dekko.com
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