On Thu, Sep 21, 2017 at 3:14 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Alexander Korotkov <aekorot...@gmail.com> writes: > > On Thu, Sep 21, 2017 at 2:06 AM, Darafei "Komяpa" Praliaskouski < > >> It seems to me that any circle with radius of any Infinity should > become a > >> [-Infinity .. Infinity, -Infinity .. Infinity] box.Then you won't have > >> NaNs, and index structure shouldn't be broken. > > > We probably should produce [-Infinity .. Infinity, -Infinity .. Infinity] > > box for any geometry containing inf or nan. > > Hm, we can do better in at least some cases, eg for a box ((0,1),(1,inf)) > there's no reason to give up our knowledge of finite bounds for the > other three boundaries. But certainly for a NaN circle radius > what you suggest seems the most sensible thing to do. > OK. I'll try implement this for circles. ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company
