Cees van de Griend <cees-list(at)griend(dot)xs4all(dot)nl> writes:
> ... a possible hack to circumvent this problem ...
Before contorting your data or application to hack around this problem,
I'd suggest updating to 7.2 and seeing if the problem is fixed for real
by the new statistics code.
7.2 should be out tomorrow, if Marc wraps it on schedule.
regards, tom lane