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From: Josh Berkus <josh@agliodbs.com>
Reply-To: josh@agliodbs.com
Organization: Aglio Database Solutions
To: Christian Rishoej <chrris@mail.dk>, pgsql-sql@postgresql.org
Subject: Re: Rules and variables?
Date: Fri, 17 May 2002 16:53:33 -0700
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Christian,

> I need to hold an integer value and use it in some queries in a rule I
> have. I tried to use a temporary table, but without luck (got an error
> like    Relation "tmpfoo" does not exist   ).
>=20
> My question is: How can I hold this value thoughout the rule? Can I use
> variables of some sort?

Have the rule execute a PL/pgSQL function.  PL/pgSQL has full variable=20
support; see the documentation under "procedural functions".