Tom Lane wrote: > Hannu Krosing <[EMAIL PROTECTED]> writes: > > The point I was trying to make was that faster count(*)'s is just a side > > effect. If we could (conditionally) keep visibility info in indexes, > > I think that's not happening, conditionally or otherwise. The atomicity > problems alone are sufficient reason why not, even before you look at > the performance issues.
What are the atomicity problems of adding a create/expire xid to the index tuples? -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
