Re: strangest thing happened - Mailing list pgsql-sql

From Torsten Zühlsdorff
Subject Re: strangest thing happened
Date
Msg-id i14p0p$ure$1@news.eternal-september.org
Whole thread Raw
In response to Re: strangest thing happened  (Joe Conway <mail@joeconway.com>)
List pgsql-sql
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.


pgsql-sql by date:

Previous
From: Vibhor Kumar
Date:
Subject: Re: Question about domains.
Next
From: Srikanth Kata
Date:
Subject: Cant execute the query