From: Richard Broersma Jr <rabroersma@yahoo.com>
To: Stuart <smcg2297@frii.com>
To: pgsql-sql@postgresql.org
Subject: Re: data dependent sequences?
Date: Tue, 17 Jul 2007 07:19:05 -0700 (PDT)
Message-ID: <851996.28057.qm@web31812.mail.mud.yahoo.com> (raw)
In-Reply-To: <f7ighl$1pv$1@sea.gmane.org>
--- Stuart <smcg2297@frii.com> wrote:
> > you will need to use pre insert trigger since you cannot use column
> > references in default expression.
> >
> > you could use this same trigger to either:
> > - create sequences as needed and apply the right one
> > - with locking, lookup for last id of typ
> > - with locking, keep another table of typ and nextval
here is supplementary information of gap-less sequences:
http://www.varlena.com/GeneralBits/130.php
Regards,
Richard Broersma Jr.
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To: pgsql-sql@postgresql.org
Cc: rabroersma@yahoo.com, smcg2297@frii.com
Subject: Re: data dependent sequences?
In-Reply-To: <851996.28057.qm@web31812.mail.mud.yahoo.com>
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