"Edwin Grubbs" <edwin.grubbs@xxxxxxxxx> writes: > Under postgres 8.1, the "<<=" comparison yields very slow queries with large > tables. <<= isn't optimizable within joins, and really isn't very suited to btree indexes at all. Sometime somebody should try to build a GiST opclass that supports network sub/sup comparisons ... seems like it should be pretty easy ... regards, tom lane
