Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> Vacuum will make anything that disappeared by wraparound in the last
> billion transactions reappear, so a databasewide vacuum should solve
> all your problems, no need to dump...
Oh, I had forgotten about that. Did we establish that 7.4.* works that
way? I think so, but obviously I've been programming too many hours in
a row :-(
regards, tom lane