Re: Trigger and arguments question

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 ;)