On Mon, Apr 13, 2009 at 11:12 AM, mito <milos.orszag@gmail.com> wrote:
>
> It need to simulate unique constraint on field s_users.new_id, so it should
> deny to update multiple rows with same value.
>
> Any suggestions are welcome.
>
why not simply create a UNIQUE constraint?
--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157