On Tue, 27 Nov 2007, Steinar H. Gunderson wrote: > On Tue, Nov 27, 2007 at 06:28:23PM +0000, Matthew wrote: > > SELECT * FROM table WHERE a > 1 AND b < 4; > > This sounds like something an R-tree can do. I *know* that. However, Postgres (as far as I can see) doesn't provide a simple R-tree index that will index two integers. This means I have to write one myself. I'm asking whether it is possible to get two values into a GiST index, which would allow me to implement this. Matthew -- It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt. -- Mark Twain ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings