On Wed, 2011-05-04 at 11:49 -0400, Tom Lane wrote: > Well, you failed to show us any concrete examples of the cases you > were looking at, but no I don't think the planner necessarily likes > "all the constants on one side". Most likely the win cases are where > one side of a WHERE-condition operator exactly matches an index, so > you'd need to be looking for places where rearrangement could make > that happen. The reason I never showed you any was because I don't have any I was just curious. But yeah making one side match an index exactly is probably the biggest win. -- Michael Graham <mgraham@xxxxxxxxx> -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
