Grzegorz Jaskiewicz <gj(at)pointblue(dot)com(dot)pl> writes:
> should I add it as a bug ?
Only if you can reproduce it in 8.2 --- what it looks like to me is a
relcache-opening race condition, which is (believed) fixed in 8.2 and
is not feasible to fix in older branches.
regards, tom lane