On Sat, 2017-09-02 at 17:54 +0200, Francisco Olarte wrote:
> It's probably doing 1(integer) => double precioson => numeric(20) or
> something similar if you do not specify.
>
> Francisco Olarte.
Well, the question was not only about why there is only 20 "3" after
point, I suspect this (may be it's not good enough documented, but
reasonable), but also about why are there infinite amount of "0" after
point if I subtract "3"s.