Martijn van Oosterhout <kleptog@xxxxxxxxx> 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