Ð ÐÐÑ, 17.04.2004, Ð 01:45, Tom Lane ÐÐÑÐÑ:
> The planner sees that as "where scope = <some complicated expression>" > and falls back to a default estimate. It won't simplify a sub-select > to a constant. (Some people consider that a feature ;-).) Why? Thanks -- Markus Bertheau <[EMAIL PROTECTED]> ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html