--- Tom Lane <tgl@xxxxxxxxxxxxx> skrev: > Rolf =?iso-8859-1?q?=D8stvik?= <rolfostvik@xxxxxxxx> > writes: > > I have a simple query which uses 32ms on 7.4.14 > and 1015ms on 8.2.0. > > There's something awfully strange about that 8.2 > plan --- if it knew > that it'd have to scan all of uut_result_subset > (which it should have > known, if the stats were up-to-date), I can't really see the need for it to do an sequence scan, but that is me not knowing how things work. >why did it use > an indexscan > rather than a seqscan? Are you sure you haven't > tweaked any parameters > you didn't tell us about, such as setting > enable_seqscan = off? I haven't touched enable_seqscan. It could be that i have forgotton to tell you about a parameter i have tweaked, but i doubt it. Best regards Rolf Østvik __________________________________________________ Bruker du Yahoo!? Lei av spam? Yahoo! Mail har den beste spambeskyttelsen http://no.mail.yahoo.com