Alvaro Herrera <[EMAIL PROTECTED]> writes: > 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. Luke has a bad habit of quoting numbers that are obviously derived from narrow benchmarking scenarios as Universal Truths, rather than providing the context they were derived in. I wish he'd stop doing that... regards, tom lane ---------------------------(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