Re: Speedier count(*) - Mailing list pgsql-performance

On Wed, Aug 10, 2005 at 05:37:49PM -0600, Dan Harris wrote:
> Also, I am using "select ... group by ... order by .. limit 1" to get
> the min/max since I have already been bit by the issue of min() max()
> being slower.

PostgreSQL 8.1 will have optimizations for certain MIN and MAX
queries.

http://archives.postgresql.org/pgsql-committers/2005-04/msg00163.php
http://archives.postgresql.org/pgsql-committers/2005-04/msg00168.php

--
Michael Fuhr