On Mon, Feb 12, 2007 at 05:36:37PM +0000, Ian Harding wrote: > You don't mention the ltree contrib module, have you looked at it? It > can easily meet your requirements without having to reinvent anything. > It may be what you're referring to as Nested Sets, I don't know. I > use it and like it a lot. Yes, I have seen it. I just thought it seemed like a very large "hammer" to use form my task -- quite a few more query methods than I need . But, perhaps I should look at it again and get a better understanding of what it can do. Thanks, -- Bill Moseley moseley@xxxxxxxx