> timestamptz stores GMT; it doesn't store timezone separately.
> (If it did, we'd need more than 8 bytes...)
Oh, yeah. Duh.
> Because we haven't lifted a finger to optimize it.
Well, that's a direct answer. Ok, will put it in the list of "TODO next
time we change the on-disk format".
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com