> > error message in log:
> > ERROR: invalid restriction selectivity: 0.000049
>
> [ blink... ] Surely it didn't really say that, because a moment's
> glance at the code shows that it's impossible:
>
> if (result < 0.0 || result > 1.0)
> elog(ERROR, "invalid restriction selectivity: %f", result);
>
> If it really did say that, then you have either seriously flaky hardware
> or a broken compiler. In either case, us mere database weenies can't
> help much.
>
> regards, tom lane
Really, it seems that is hardware trouble, beacause it works on virtual
machine (KVM), which is buggy enough :(
Thanks.