On Wed, 2008-08-13 at 23:12 -0400, Tom Lane wrote: > We're just trying to provide better performance for certain common SQL > idioms.
Sounds good, but can you explain how this will help? Not questioning it, just after more information about it. I'm half way through join removal patch, so this work might extend the join elimination to semi/anti joins also (hopefully), or it might (hopefully not) prevent the join elimination altogether. I'll let you know how I get on. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
