A. Kretschmer <andreas.kretschmer@schollglas.com> wrote:
> In response to Igor Neyman :
> > >
> > > CREATE TRIGGER tafter
> > > AFTER INSERT OR UPDATE
> > > ON r.m_a
> > > FOR EACH ROW
> > > EXECUTE PROCEDURE r.m_t();
> > >
> > >
> >
> > Trigger function for an insert/update trigger should return "NEW", not
> > NULL (OLD - for "on delete" trigger):
>
> It's an AFTER TRIGGER, so the RETURN-Value ignored.
According the doc:
The return value of a BEFORE or AFTER statement-level trigger or an
AFTER row-level trigger is always ignored; it might as well be null.
http://www.postgresql.org/docs/current/static/plpgsql-trigger.html
Andreas
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