Re: Fix overflow in DecodeInterval

Joseph Koshakow <koshy44(at)gmail(dot)com> writes:
> On Sat, Apr 2, 2022 at 3:08 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I think it's not, at least not for the interesting range of possible
>> values in this code. Given that abs(frac) < 1 to start with, the
>> abs value of usec can't exceed the value of scale, which is at most
>> USECS_PER_DAY so it's at most 37 or so bits, which is well within
>> the exact range for any sane implementation of double. It would
>> take a very poor floating-point implementation to not get the right
>> answer here. (And we're largely assuming IEEE-compliant floats these
>> days.)

> Ah, I see. That makes sense to me.

Cool. I've pushed the patch.

regards, tom lane