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                        |
  [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 3: if posting/reading through Usenet, please send an appropriate
      subscribe-nomail command to [EMAIL PROTECTED] so that your
      message can get through to the mailing list cleanly

Reply via email to