"Takes clustering into account" means nothing. We don't need that. Any such consideration would be handled by the AM-specific amcostestimate function.
Ok, I see. Sorry for misunderstanding. I thought that planner use that. -- Teodor Sigaev E-mail: [EMAIL PROTECTED] WWW: http://www.sigaev.ru/ ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend