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

Reply via email to