On Tue, Aug 21, 2018 at 3:50 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> Imagine volatile functions being used. That can be problematic because
> of repeated side-effects, but also will lead to plainly wrong
> results. Consider what happens with your approach where somebody does
> something like WHERE value < random().
>
Thanks for explaining . The attach patch use tuplestore instead
Regards
Surafel