Gregory Stark wrote: > (Incidentally I'm not sure where 2-5x comes from. It's entirely dependant on > your data distribution. It's not hard to come up with distributions where it's > 1000x as fast and others where there's no speed difference.)
So the figure is really "1-1000x"? I bet this one is more impressive in PHB terms. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
