Re: Creating a trigger program

[jmmckee <jmmckee@xxxxxxxxxxxxxx>]

Seeing a working example would be helpful.  Thanks.

John McKee
-----Original message-----
From: Pete Hall pete@xxxxxxxxxxxxxx
Date: Tue, 10 May 2011 18:09:13 -0500
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Creating a trigger program

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> On 2011-05-09 21:56, jmmckee wrote:
> > We are looking into a process to notify doctors, via email, when one of their patients has been admitted.  When a patient is admitted, a record is written to a log file.  Current idea being tossed around is to read the log file from the previous day and srnd emails as needed.  I thought this might be an ideal application for a trigger program.  I could see the trigger getting fired on a write to the log file.  All I would want to do is pass the data to be written to a program and the program would either send or not send an email.  From looking at some documentation, I see that there is space for a before and an after image. 
> >
> > These sound like dumb questions to me:  Is it as simple as referencing the log file as an external data structure?  Then, moving the after image to that data structure?
> >
> > John McKee
> The old and new record images (for inserts, the old image is invalid)
> are available in the trigger. I've got a (very old) RPG trigger template
> you could have if you like. All you really need to do is name the data
> structures for the trigger buffer and code the action you want to occur.
> I've been using it for years with no issues. I've even got a document
> somewhere that describes how it works. Let me know...
>
> - -- 
> Pete Hall
> pete@xxxxxxxxxxxxxx
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