El 28/05/2014 22:12, "Peter Geoghegan" <p...@heroku.com> escribió: > > On Wed, May 28, 2014 at 5:59 PM, Claudio Freire <klaussfre...@gmail.com> wrote: > > For nestloop, correct me if I'm wrong, but index scan nodes don't have > > visibility of the next tuple to be searched for. > > Nested loop joins are considered a particularly compelling case for > prefetching, actually.
Of course. I only doubt it can be implemented without not so small changes to all execution nodes. I'll look into it > > -- > Peter Geoghegan
