On Tue, 16 Nov 2004, Simon Riggs wrote:
> The join condition has so many ANDed predicates that we assume that this > will reduce the selectivity considerably. It does not, and so you pay > the cost dearly later on. > Yes, that makes a lot of sense. Without some incredibly good cross-column statistics there is no way it could expect all of the rows to match. Thanks for the analysis. Kris Jurka ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
