On Fri, Apr 3, 2009 at 11:24 AM, Lawrence, Ramon <ramon.lawre...@ubc.ca> wrote: > I would be interested in working with you on any of these changes to > hash join if you decide to pursue them. I am especially interested in > looking at the hash aggregation code and potentially improving its > efficiency.
Wow, that would be great! > We have implemented a multi-way hash join (can join more than 2 tables > at a time) which may help with cases #3 and #4. Performance results > look very good, and we are planning on building a patch for this over > the summer. I'd be interested in hearing you cope with this on the planner end of things. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
