From: | Jaime Casanova <systemguards(at)gmail(dot)com> |
---|---|
To: | Hervé Inisan <typo3(at)self-access(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Trigger and arguments question |
Date: | 2005-05-26 20:34:34 |
Message-ID: | c2d9e70e050526133414d55df1@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On 5/26/05, Hervé Inisan <typo3(at)self-access(dot)com> wrote:
>
> Hi everybody!
>
> I have a trigger like this:
>
> CREATE TRIGGER mytrigger
> AFTER INSERT OR UPDATE OR DELETE
> ON myschema.mytable
> FOR EACH ROW
> EXECUTE PROCEDURE myschema.myfunction(myarg);
>
> It sends an argument to myfunction(), and I can retrieve this value in
> TG_ARGV[0]. Fine.
> What I'm trying to do is using TG_ARGV[0] to point to a field in NEW or OLD.
> Is it possible?
>
> Something like NEW.TG_ARGV[0]...
>
> I'm trying to write a kind of generic function which I could use on multiple
> tables with different field names (myarg being the field name).
> But I can't get it to work.
>
> Any clues or other solutions?
No. the argument of the trigger must be a string literal defined at
creation time.
maybe you better solution is simply a function
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)
From | Date | Subject | |
---|---|---|---|
Next Message | Hrishikesh Deshmukh | 2005-05-26 21:04:37 | Just a crazy idea! |
Previous Message | Tom Lane | 2005-05-26 20:29:44 | Re: another failover testing question |