On Tue, 16 Jun 2020 at 10:09, Juan José Santamaría Flecha <juanjo.santama...@gmail.com> wrote: > > It is defined as NaN (or undefined), which is not in the realm of integer > numbers. You might get a clear idea of the logic from [1], where they also > make a case for the error being ERRCODE_DIVISION_BY_ZERO. > > [1] http://mathforum.org/library/drmath/view/60851.html >
Hmm, I think ERRCODE_DIVISION_BY_ZERO should probably be reserved for actual division functions. With [1], we could return 'Infinity', which would be more correct from a mathematical point of view, and might be preferable to erroring-out in some contexts. [1] https://www.postgresql.org/message-id/606717.1591924582%40sss.pgh.pa.us Regards, Dean
