> Earlier you said that this should be an ideal setup for IOS. But it
> isn't really--the ideal set up is one in which the alternative to an
> IOS is a regular index scan which makes many uncached scattered reads
> into the heap. I don't think that that situation can't really be
> engineered with a where-less query.
Can you give me some suggested comparisons which *would* be ideal, then?
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
