Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> As a matter of fact, people who have performance problems are likely to
> be the same who have upgrade problems. And as Gaetano pointed out
> correctly, we will see wildforms with one or the other feature applied.
I'd believe that for patches of the size of my original VACUUM-delay
hack (or even a production-grade version of same, which'd probably be
10x larger). The kind of wholesale rewrite you are currently proposing
is much too large to consider folding back into 7.4.*, IMHO.
regards, tom lane