you try to do something like this
select '00:01'::time + interval '10 minutes'
--- On Mon, 7/28/08, Rafael Domiciano <rafael.domiciano@gmail.com> wrote:
> From: Rafael Domiciano <rafael.domiciano@gmail.com>
> Subject: [ADMIN] Time Type
> To: "pgsql-admin@postgresql.org" <pgsql-admin@postgresql.org>
> Date: Monday, July 28, 2008, 6:16 PM
> Hi there,
>
> I'm trying to do some as following and I couldn't:
> select '00:01:00'::time + '00:10:00'::time
> ERROR: operator is not unique: time without time zone +
> time without time
> zone at character 127
> HINT: Could not choose a best candidate operator. You
> might need to add
> explicit type casts.
>
> Postgres version: 8.3.3
>
> Anyone knows anything?
>
> Regards,
>
> Rafael Domiciano