On 11/14/2010 05:15 PM, Tom Lane wrote:
Josh is ignoring the proposal that is on the table and seems actually workable, which is to consult the visibility map during index-only scans. For mostly-static tables this would save trips to the heap for very little extra I/O. The hard part is to make the VM reliable, but that is not obviously harder than making separately-stored hint bits reliable.
I thought we had agreement in the past that this was the way we should proceed.
cheers andrew -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
