[Info-ingres] Weird problem in Ingres 10

Laframboise, André (BAC/LAC) andre.laframboise at canada.ca
Wed May 16 12:28:50 UTC 2018


You can also get similar information with GCC tracing.

André Laframboise

Conseiller Principal Base de Données, Direction générale de l'Innovation et du Dirigeant principal de l'information
Bibliothèque et Archives Canada / Gouvernement du Canada
andre.laframboise at canada.ca / Tél. : 613-298-1346

Senior Database Advisor, Innovation and Chief Information Officer Branch
Library and Archives Canada / Government of Canada
andre.laframboise at canada.ca / Tel: 613-298-1346

-----Original Message-----
From: info-ingres-bounces at lists.planetingres.org <info-ingres-bounces at lists.planetingres.org> On Behalf Of Adrian Williamson
Sent: Wednesday, May 16, 2018 8:25 AM
To: 'Karl and Betty Schendel' <schendel at kbcomputer.com>; 'Ingres and related product discussion forum' <info-ingres at lists.planetingres.org>
Subject: Re: [Info-ingres] Weird problem in Ingres 10

Hi,

If are you running in a client server mode i.e. using Ingres net - you would be able to quickly setup a packet capture using something like WireShark.

Sniffers never lie.

<Crawls back under stone.>

Cheers

Adrian


-----Original Message-----
From: info-ingres-bounces at lists.planetingres.org
<info-ingres-bounces at lists.planetingres.org> On Behalf Of Karl and Betty Schendel
Sent: 16 May 2018 12:54
To: Ingres and related product discussion forum <info-ingres at lists.planetingres.org>
Subject: Re: [Info-ingres] Weird problem in Ingres 10

On May 16, 2018, at 7:44 AM, Mark <i at dontgetlotsofspamanymore.net> wrote:
> 
> On Tue, 15 May 2018 12:27:09 -0400, Karl and Betty Schendel 
> <schendel at kbcomputer.com> wrote:
> 
>> It's certainly not something I have heard of or seen before.  Do you 
>> have any rules defined on the relevant tables?  Try enabling 
>> LOG_TRACE if the problem is sufficiently predictable, or do a logdump 
>> after the problem occurs if it's not; the idea being to try to see 
>> whether you actually got any PUT (insert) or REP (replace) log 
>> records that were then rolled back, or whether the insert / update 
>> was
never executed at all.
> 
> After enabling log_trace all I got was:
> 
>    LOG: SAVEPOINT   Size written/reserved:      0/     0  Flags:
> -------------------------------------------------------------------

So the insert/update isn't ever being executed.  Either it's failing with some sort of silent error, which would seem odd, or it's not reaching the backend at all, or it's being pre-empted by a before rule.  I think the next step would be to enable
sc930 tracing and see if the backend is getting the insert-update, and what end-of-query status it's recording.  There should be KB articles on enabling
SC930 tracing.

Karl

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