I really haven't read up much on the constraint exclusion feature, but this description in guc.c really doesn't want to make me use it. :)
"This prevents table access if the table constraints guarantee that table access is necessary." This is a typo, right? -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
