From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Stephan Szabo <sszabo@megazone23.bigpanda.com>
Cc: pgsql-sql@postgresql.org
Cc: pgsql-general@postgresql.org
Cc: pgsql-hackers@postgresql.org
Subject: Re: [SQL] Problem: Referential Integrity Constraints lost
Date: Thu, 7 Nov 2002 18:38:06 +0200 (EET)
Message-ID: <Pine.LNX.4.44.0211071720380.7283-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <19207.1036680929@sss.pgh.pa.us>
On Thu, 7 Nov 2002, Tom Lane wrote:
> Achilleus Mantzios <achill@matrix.gatewaynet.com> writes:
> > After recreating the missing triggers should i upgrade
> > to 7.2.3??
>
> Make that "before".
>
> I frankly suspect pilot error here. Triggers do not simply disappear.
> If you did have crash-induced corruption leading to loss of some rows
> in pg_trigger, it would be exceedingly obvious because *no* operations
> on the affected tables would work --- relcache would complain about the
> fact that pg_class.reltriggers didn't match the number of rows in
> pg_trigger. I think the missing triggers must have been removed or
> disabled deliberately. (Which is not to say that it couldn't have been
> a software bug, but you're barking up the wrong tree to blame it on a
> crash.)
> Did all the triggers of the affected tables disappear, or only some
> of them?
Just some of them.
I really dont know what happened.
Looking back at july backups the problem was already there.
I never played with system tables in production.
I hope to be able somehow to reproduce the problem,
or convince myself its my fault for some reason.
P.S.
I was surprized when i looked up in my english dictionary the
word "deliberately" :)
>
> regards, tom lane
>
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel: +30-10-8981112
fax: +30-10-8981877
email: achill@matrix.gatewaynet.com
mantzios@softlab.ece.ntua.gr
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To: pgsql-sql@postgresql.org
Cc: achill@matrix.gatewaynet.com, tgl@sss.pgh.pa.us, sszabo@megazone23.bigpanda.com, pgsql-general@postgresql.org, pgsql-hackers@postgresql.org
Subject: Re: [SQL] Problem: Referential Integrity Constraints lost
In-Reply-To: <Pine.LNX.4.44.0211071720380.7283-100000@matrix.gatewaynet.com>
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