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
