On Tue, 2012-11-20 at 00:13 +0530, Atri Sharma wrote: > My mistake...I thought we were more concerned about the cost of > locking. > > I agree, locking many data pages simultaneously could be hazardous. > > This requires more thought.Maybe removing PD_ALL_VISIBLE isnt such a > great idea after all...
As I said elsewhere in the thread, I'm not planning to introduce any additional locking. There is already precedent in IndexOnlyNext. Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers