Re: Trigger question

Hi Loyd,

As I understand it, even though a field's null indicator may be on, the
field must contain valid data for it's type, e.g. a null date field must
still have a valid date in it, and likewise, a packed field must have a
valid number in it.

HTH
Peter Dow
Dow Software Services, Inc.
909 425-0194 voice
909 425-0196 fax

----- Original Message -----
From: Goodbar, Loyd (AFS-Water Valley) <LGoodbar@afs.bwauto.com>
To: <midrange-l@midrange.com>
Sent: Thursday, February 03, 2000 3:13 PM
Subject: Trigger question


> I'm using the program from Pete Hall's web site
> (http://www.execpc.com/~pbhall/?trigger.html) as a basis for making a
> trigger program over a test file. I'm copying the buffer from the physical
> file, plus some job information, to a capture file. All the fields in the
> capture file reference the original file.
>
> The problem is, both the original file and the capture file use packed
> fields, and I am receiving a data decimal error when I try to write to the
> capture file. Since this is a before insert trigger, the original record
> buffer should be NULL fields. I have added AWLNULL to the packed fields in
> the capture file, set ALWNULL(*USRCTL) in my program, and "eval
> %nullind(o_co) = *on" (the first packed field in the input buffer).
>
> I was expecting to output NULLs to the original record buffer in the
capture
> file. Is there something I'm missing in regard to NULLs and packed fields?
>
> The original file is a vendor supplied file, so it cannot be easily
changed.
> Thanks!
>
> --
> Loyd Goodbar
> Programmer/Analyst
> Borg-Warner Automotive, AFS, Water Valley
>
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