Sorry for my last blank post, anyway, im not sure this helps but have you tried using EXPLAIN?
Dexter Tad-y On Mon, 2004-03-08 at 17:41, sferriol wrote: > hello > in a 'SELECT', does postgres read the 'WHERE' condition from left to right. > > for example > 1) select ... where a and b; > 2) select ... where b and a; > > 1 and 2 will use the same cpu time or not ? > > sylvain ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html