Re: Sequence increased before constraint check

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: <davidl(at)ayamba(dot)com>, <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Sequence increased before constraint check
Date: 2001-02-14 18:46:43
Message-ID: Pine.LNX.4.30.0102141945450.1112-100000@peter.localdomain
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> When a table is created with a serial column and another column that
> has a foreign key constraint, if the foreign key check fails, the
> sequence will still be updated. This results in potential gaps in the
> serial column.

This is not a bug. If you cannot have gaps in your number sequence then
you cannot use serial.

--
Peter Eisentraut peter_e(at)gmx(dot)net http://yi.org/peter-e/

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