Re: Grouping by date range

Bruno Wolff III <bruno@wolff.to> writes:
> On Wed, Aug 20, 2003 at 13:44:59 -0500,
>   Ron Johnson <ron.l.johnson@cox.net> wrote:
>> The GROUP BY does implicit sorting, so an ORDER BY on the exact same
>> column(s) as the GROUP BY is redundant.

> That is an implementation detail, not a promise. With hashed aggregates
> in 7.4, you might find this isn't true.

s/might/will/

            regards, tom lane