Re: trigger help

From: Michael Fuhr <mike(at)fuhr(dot)org>
To: marcelo Cortez <jmdc_marcelo(at)yahoo(dot)com(dot)ar>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: trigger help
Date: 2006-08-22 13:59:35
Message-ID: 20060822135934.GA56791@winnie.fuhr.org
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On Tue, Aug 22, 2006 at 10:38:31AM -0300, marcelo Cortez wrote:
> I think my trigger need transaction ,but the pgsql
> compiler refuse to compile 'begin .. commit ' sequence
> I use the perform , to do the works

Functions can't start or end transactions because they're already
being executed in the context of a transaction; you'll have to do
the BEGIN and COMMIT outside the function. However, there is a way
around that restriction: the function could use dblink to connect
to the database as a client and then execute statements over that
connection.

> CREATE OR REPLACE FUNCTION xxxx_create_cache(text)
> RETURNS text AS

This isn't a trigger function. Are you sure "trigger" is the
word you meant?

--
Michael Fuhr

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