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  2. MIDRANGE-L
  3. December 2001

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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