On Thu, 30 Jul 2026 at 11:01, Andrey Rachitskiy <[email protected]> wrote:
> Hi, Hackers! > > This continues BUG #19586 (money division overflow): > https://www.postgresql.org/message-id/[email protected] > > cash_div_int64() rejects division by zero, but not INT64_MIN / -1. > On x86-64 that surfaces as a floating-point exception via SIGFPE; on > aarch64 it silently returns INT64_MIN. Multiplication by -1 is already > guarded (commit 4f96281587). > The attached patch handles division by -1 as negation, matching > int8div(), and raises "money out of range" when the dividend is > PG_INT64_MIN. Regression tests cover int8/int4/int2. > > Tristan looked at the patch on -bugs and suggested posting it here. > > Patch attached. > I looked into this patch and it looks clean and complete as per the requirements mentioned. I don't find any commitfest entry for this, maybe you can add it to get timely attention to this. -- Regards, Rafia Sabih CYBERTEC PostgreSQL International GmbH
