From: Torsten Zühlsdorff <foo@meisterderspiele.de>
To: pgsql-sql@postgresql.org
Subject: Re: strangest thing happened
Date: Thu, 08 Jul 2010 16:57:28 +0200
Message-ID: <i14p0p$ure$1@news.eternal-september.org> (raw)
In-Reply-To: <4C34E764.3040703@joeconway.com>
References: <201007071259.03294.johnf@jfcomputer.com>
<4C34E764.3040703@joeconway.com>
Joe Conway schrieb:
>> I am the only developer, DBA etc.. for a small project. Today (yesterday was
>> everything was perfect) many of the sequence numbers fell behind what is the
>> actual PK value. For example the invoice PK sequence current value = 1056
>> but the table PK was 1071. Nobody (other than myself) knows how to
>> edit/access the postgres server. So
>>
>> 1. Does anyone know how this could have happened?????? Other than human
>> interaction.
>
> I've never heard of this happening. Are you certain nothing bypassed the
> sequence and directly inserted a PK value?
Maybe the sequence is defined with "cycle" and starts again? Very
unlikly, but a possibility.
Otherwise i would expect an bad backup/restore, direct insert of serials
or manipulated them afterwards (by insert, update or an function).
Gretings from Germany,
Torsten
--
http://www.dddbl.de - ein Datenbank-Layer, der die Arbeit mit 8
verschiedenen Datenbanksystemen abstrahiert,
Queries von Applikationen trennt und automatisch die Query-Ergebnisse
auswerten kann.
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Subject: Re: strangest thing happened
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