From: tmoran@acm.org
Subject: Re: Variant Record Component
Date: Fri, 28 Feb 2003 18:18:53 GMT
Date: 2003-02-28T18:18:53+00:00 [thread overview]
Message-ID: <hKN7a.268774$SD6.13767@sccrnsc03> (raw)
In-Reply-To: 3E5F8B38.EE7AE76F@boeing.com
> based on the message header, a particular structure is frozen. Now I
> pass the message object to a decode function that is looking for
> particular message fields. Well, surprise surprise, we occasionally
> raise Constraint_Error because the field in question is not present.
Could you show what you mean? What is "frozen"? Are you getting a
Constraint_Error because of errors in the data (a field is out of range,
for instance), or because the program referenced msg.b when the
discriminant/case statement said there was no field "b"? In the latter
case, it sounds like the symptom is the attempt to reference msg.b, but the
problem is erroneously thinking this message is of the subtype with a "b".
next prev parent reply other threads:[~2003-02-28 18:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 18:00 Variant Record Component John Harbaugh
2003-02-26 19:08 ` Stephen Leake
2003-02-27 8:17 ` Anders Wirzenius
2003-02-27 8:46 ` John McCabe
2003-02-27 17:26 ` phone number database Stephen Leake
2003-02-27 18:09 ` tmoran
2003-02-28 0:07 ` Matthew Heaney
2003-02-28 6:46 ` Hijacking threads (was phone number database (was Variant Record Component)) Anders Wirzenius
2003-02-26 20:50 ` Variant Record Component David C. Hoos
2003-02-28 16:15 ` John Harbaugh
2003-02-28 18:18 ` tmoran [this message]
2003-02-28 22:07 ` John Harbaugh
2003-02-28 20:51 ` Randy Brukardt
2003-03-01 2:34 ` Jeffrey Carter
2003-03-03 9:24 ` John McCabe
2003-02-26 21:37 ` tmoran
-- strict thread matches above, loose matches on Subject: below --
2003-02-28 19:40 David C. Hoos
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