On Tue, 2007-03-06 at 12:59 -0500, Tom Lane wrote: > Jeff Davis <[EMAIL PROTECTED]> writes: > > If I were to implement this idea, I think Heikki's bitmap of pages > > already read is the way to go. > > I think that's a good way to guarantee that you'll not finish in time > for 8.3. Heikki's idea is just at the handwaving stage at this point, > and I'm not even convinced that it will offer any win. (Pages in > cache will be picked up by a seqscan already.) >
I agree that it's a good idea stick with the current implementation which is, as far as I can see, meeting all of my performance goals. Regards, Jeff Davis ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend