On Sat, 2007-09-08 at 17:46 +0100, Heikki Linnakangas wrote: > Tom Lane wrote: > > Compared to what it currently takes to check the same tuple (a separate > > index entry fetch and traversal to the heap page), this is already an > > enormous performance improvement. > > Though keep in mind that we kill index tuples as soon as they're deemed > to be dead. Nevertheless, I'm not very worried about the cost of > following the chain either. But that's something we can quite easily > measure if we want to.
OK, I'm good about it if you guys are. -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
