> From: Michael Stone <mstone@...>
> To: Kevin Johnson <kjohnson@...>
> Subject: yet another patch
> Date: Fri, 08 Apr 2005 18:29:15 -0400
> This one special cases the query for first & last event on the main
> page for postgres. This construct executes in constant time (assuming
> that acid_event has an index by timestamp) whereas the original min()
> max() query triggers a sequential scan of the whole table.
> Mike Stone
This is in CVS...