Tom,
> Whether the state value is a composite type or not is up to the
> aggregate author. There aren't any examples of using a composite type
> in the docs, but there are examples of using an array as stype, so
> I would hope that our users are bright enough to think of composites
> when they need one.
Aha, got it. OK, so this just needs a good example ... will try to think of
one.
--
Josh Berkus
PostgreSQL @ Sun
San Francisco