On 27/05/10 08:56, Jesper Krogh wrote:
Just a thought. Wouldn't a All-visible bit also enable index only scans to some degree?
Yes. In fact, that's one reason I implemented the visibility map in the first place. I started working on index-only scans based on that last year, if you search the archives for index-only scans you'll find those discussions.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers