"Tom Lane" <[EMAIL PROTECTED]> wrote > "Qingqing Zhou" <[EMAIL PROTECTED]> writes: > > By "did this 100 times" do you mean generate a sequence of at most > > 200000*100 numbers, and for every 200000 numbers, the first half are all > > zeros and the other half are uniform random numbers? > > No, I mean I ran the bit of SQL script I gave 100 separate times. >
I must misunderstand something here -- I can't figure out that why the cost of the same procedure keep climbing? Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
