On Mon, Jun 19, 2006 at 13:43:17 -0600,
Chris Smith <cdsmith@twu.net> wrote:
> I am doing some preliminary work on the next major release of a piece of
> software that uses PostgreSQL. As odd as this sounds, it seems that a huge
> percentage of the new features that have been requested involve computing
> the transitive closure of a binary relation that's expressed in a database
> table.

I believe this is covered by the following on the TODO list:
Add SQL:2003 WITH RECURSIVE (hierarchical) queries to SELECT

I think someone did some work on this a while ago, but that not much has
happened recently.

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