On Tue, 6 Sep 2005, Harald Fuchs wrote:
> In article <[EMAIL PROTECTED]>,
> Stephan Szabo <[EMAIL PROTECTED]> writes:
>
> > On Fri, 2 Sep 2005, [ISO-8859-2] Graf László wrote:
>
> >>
> >> CREATE FUNCTION test_verif() RETURNS trigger AS $test_verif$
> >> BEGIN
> >> NEW.id := select nextval('test_azon_seq');
>
> > I think you want to remove select here, you're already effectively doing a
> > select of the right hand side in the assignment.
>
> >> NEW.nev := nev;
> > I think you want to remove this line entirely. What nev were you
> > expecting on the right hand side? If it's the new one, well, NEW.new is
> > already that.
>
> László could also remove the entire trigger and use something like
>
>
> CREATE TABLE test (
> id SERIAL NOT NULL,
> nev VARCHAR(25),
> datum TIMESTAMP NOT NULL DEFAULT current_timestamp,
> PRIMARY KEY (id)
> );
That's slightly different though. The trigger forces the value whether or
not a value was assigned in the insert, the defaults only apply if the
column does not have a value given to it.
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TIP 6: explain analyze is your friend
