"Michael Paesold" <mpaesold(at)gmx(dot)at> writes:
> Only vacuum will reset the insert times to the lowest possible!
> What does the vacuum code do?? :-]
It removes dead tuples. Dead tuples can only arise from update or
delete operations ... so you have not been telling us the whole
truth. An insert-only test would not have this sort of behavior.
regards, tom lane