| From: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
|---|---|
| To: | Hans-Jürgen Schönig <hs(at)cybertec(dot)at> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Passing parameters to triggers |
| Date: | 2002-03-20 16:29:05 |
| Message-ID: | 20020320082809.D45997-100000@megazone23.bigpanda.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Thu, 14 Mar 2002, [iso-8859-1] Hans-Jrgen Schnig wrote:
> 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];
EXECUTE ''DELETE FROM '' || TG_ARGV[0];
will probably do what you want. You can't directly
substitute variables for tables, columns etc but you
can use execute to run a command string.
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