Andrew,
> One request I've had is to construct a record (of some supplied
> composite type) from an hstore.
>
> I'm not sure if this is even possible; I'm certainly not seeing a way
> to implement it. Am I missing something?
Well, presumably you'd try to match hstore tags against the "columns" of
the composite type, and where a tag didn't exist, return NULL,and where
one isn't in the composite type, ignore it. All data would be TEXT.
--Josh