Message-ID: <20040426074713.32544.qmail@web13906.mail.yahoo.com>
Date: Mon, 26 Apr 2004 00:47:13 -0700 (PDT)
From: "Riccardo G. Facchini" <abief_ag_-postgresql@yahoo.com>
Subject: Re: Trigger calling a function HELP ME! (2)
To: pgsql-sql@postgresql.org
In-Reply-To: <200404221219.12694.dev@archonet.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii


--- Richard Huxton <dev(AT)archonet.com> wrote:
> On Wednesday 21 April 2004 16:16, abief_ag_-postgresql(AT)yahoo.com
> wrote:
> 
> >   CREATE OR REPLACE FUNCTION public.imp_test_to_out_test(imp_test)
> >     RETURNS imp_test AS
> >   'begin
> >    return $1;
> >  end;'
> >     LANGUAGE 'plpgsql' STABLE;
> >
> >   CREATE OR REPLACE FUNCTION public.imp_test_trigger()
> >     RETURNS trigger AS
> >   'begin
> >   return imp_test_to_out_test(new);
> >   end;'
> >     LANGUAGE 'plpgsql' STABLE;
> 
> This is your problem. NEW is a special variable, and I don't think
> you can 
> pass it into another function (other than as NEW.col1, NEW.col2,
> NEW.col3 
> etc).
> 
> You can however use TG_NAME or TG_RELNAME to see what trigger/table
> called 
> you. I find that's helpful.
> -- 
>   Richard Huxton
>   Archonet Ltd
> 
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> broadcast)---------------------------
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One other issue, as I understand it, NEW (and OLD) is a variable of
type record, so you should be able to pass it to a function and get it
as a return value, but it seems that there is a bug reported for
version 7.2.1 that inhibits the use of record as type to be passed to a
function.

any suggestion?

=====
Riccardo G. Facchini