Noah Misch <n...@leadboat.com> writes: > On Sun, Jan 09, 2022 at 04:37:32AM -0800, Zhihong Yu wrote: >> On Sat, Jan 8, 2022 at 11:32 PM Tom Lane <t...@sss.pgh.pa.us> wrote: >>> FWIW, I liked the "ivlen > 0" formulation better. They should be >>> equivalent, because ivlen is unsigned, but it just seems like "> 0" >>> is more natural.
> If I were considering the one code site in isolation, I'd pick "ivlen > 0". > But of the four sites identified so far, three have signed length variables. Oh, hmm. Unless we want to start changing those to unsigned, I agree a not-equal test is a safer convention. regards, tom lane