RE: Triggers

["Alex A Moore" <alexm@xxxxxxxxxxxxxxxx>]

Yes - trigger program passes buffers to dataqueue - batch program reads
dataqueue and does the work.

Alex

> -----Original Message-----
> From: midrange-l-admin@midrange.com
> [mailto:midrange-l-admin@midrange.com]On Behalf Of Ian Scotson
> Sent: Thursday, December 06, 2001 9:40 PM
> To: 'midrange-l@midrange.com'
> Subject: RE: Triggers
>
>
> Alex,
>
> When you say "other Process" - are you talking of via a Dataq
> or somenting like that?
>
> Ian.
> -----Original Message-----
> From: Alex A Moore [mailto:alexm@ellishosiery.com]
> Sent: Friday, 7 December 2001 12:33
> To: midrange-l@midrange.com
> Subject: RE: Triggers
>
>
> We use triggers extensively.  If you follow a few simple
> guidelines, there
> is no noticeable performance "hit".  The most basic and
> important rule is -
> ONLY PERFORM ESSENTIAL LOGIC WITHIN THE TRIGGER PROGRAM.
> When possible,
> perform NO logic - just pass the buffers on to a separate
> process.  If the
> trigger program calls other programs, or opens and closes a bunch of
> database files, or performs the unpardonable sin of causing
> another trigger
> to fire, you will NOT be happy.
>
> Alex  ( Don't ask how I know )
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