ow <[EMAIL PROTECTED]> writes: > --- Tom Lane <[EMAIL PROTECTED]> wrote: >> Can't see how we optimize your case without pessimizing more-common cases.
> I think other RDBMSs simply use preset value instead of partial table > scan when there's not enough stat info. Might be a better way. The problem here cannot be described as "not enough stat info". The available stats are complete and they point very strongly to the conclusion that searches in the large table should be seqscans. To do otherwise would be folly in general, even if it happens to be the correct thing in this particular example. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly