"Qingqing Zhou" <[EMAIL PROTECTED]> wrote > > I must misunderstand something here -- I can't figure out that why the cost > of the same procedure keep climbing? >
Ooops, I mis-intepret the sentence -- you sorted the results ... Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq