OO,
That's a big disadvantage, because if the table is huge, using select stmt
walking even on an index will take some time and duplicate occur not
often, efficiency is a big problem.
Thanks anyway.
Jie LIANG
Internet Products Inc.
10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873
jliang@ipinc.com
www.ipinc.com
On Tue, 12 Dec 2000, Kovacs Zoltan Sandor wrote:
> > Hi, there,
> >
> > Is there any way to handle exception ( such as cannot insert duplicate key on
> > a unique index) in
> > plpgsql function?
> >
> > I don't want it abort whole transaction instead I want to do something else if
> > it happened,
> > but I don't want to use a select stmt first to waste the time.
> Bad news: there is no such statement in PLPGSQL you like. My usual way to
> do this is the same you wrote (SELECT first, if no rows FOUND, do the
> INSERT).
>
> Zoltan
>