On Wed, Oct 27, 2004 at 06:30:24PM -0400, Tom Lane wrote:
> Denis Zaitsev <zzz@anda.ru> writes:
> > How can I calculate the number of second in some interval? Neither
> > the secods part, nor the seconds after midnight... Just the full
> > quantity of the seconds. I haven't find any function.
>
> EXTRACT(EPOCH FROM interval_value)
Yes, I've already found it... :) Thanks anyway.