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