"Craig Ringer" <[EMAIL PROTECTED]> writes: > It strikes me that there are really two types of query hint possible here. > > One tells the planner (eg) "prefer a merge join here". > > The other gives the planner more information that it might not otherwise > have to work with, so it can improve its decisions. "The values used in > this join condition are highly correlated".
This sounds familiar: http://article.gmane.org/gmane.comp.db.postgresql.devel.general/55730/match=hints Plus ça change... -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's On-Demand Production Tuning -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
