From: | Doug McNaught <doug(at)wireboard(dot)com> |
---|---|
To: | hs(at)cybertec(dot)at |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Passing parameters to triggers |
Date: | 2002-03-20 16:45:49 |
Message-ID: | m3adt3xk5e.fsf@varsoon.denali.to |
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Thread: | |
Lists: | pgsql-general |
Hans-Jürgen Schönig <hs(at)cybertec(dot)at> writes:
> I have a severe problem when working with PL/pgSQL triggers. Somehow the
> problem seems to be strange. Here is the code:
>
> CREATE OR REPLACE FUNCTION checkint () RETURNS opaque AS
> '
> BEGIN
> IF TG_OP = ''DELETE'' THEN
> RAISE NOTICE ''% wert'', TG_ARGV[0];
> DELETE FROM TG_ARGV[0];
You need to construct a query on the fly using EXECUTE, since queries
are preparsed in PL/pgSQL. So it would be:
EXECUTE ''DELETE FROM '' || TG_ARGV[0] ;
-Doug
--
Doug McNaught Wireboard Industries http://www.wireboard.com/
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