>>> On Thu, Dec 13, 2007 at 10:35 AM, in message <[EMAIL PROTECTED]>, Tom Lane <[EMAIL PROTECTED]> wrote: > "Kevin Grittner" <[EMAIL PROTECTED]> writes: >> ... although to a naive user it's not clear what >> is known at vacuum time that the INSERT into the empty table >> couldn't have inferred. > > The fact that the INSERT actually committed. Fair enough. I suppose that the possibility that of access before the commit would preclude any optimization that would assume the commit is more likely than a rollback, and do the extra work only in the unusual case? -Kevin
---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
