On Thu, Mar 17, 2011 at 09:49:45AM -0500, Kevin Grittner wrote: > Derrick Rice <derrick.rice@xxxxxxxxx> wrote: > > Kevin Grittner <Kevin.Grittner@xxxxxxxxxxxx wrote: > > > >> there is a feature to probe the end of an index's range in > >> situations where data skew was often causing less than optimal > >> plans to be chosen. > > > > Was this introduced in 9.0 or was it earlier? > > I don't remember when it was added. I took a stab at searching for > it, but didn't get it figured out; if nobody who knows off-hand > jumps in, I'll try again when I have more time. > I think this is it: http://archives.postgresql.org/pgsql-committers/2010-01/msg00021.php Regards, Ken -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
