On June 3, 2015 9:42:21 PM GMT+02:00, Andreas Seltenreich <andreas.seltenre...@credativ.de> wrote: >Piotr Stefaniak writes: >>>> s/int/Size/ doesn't fix anything on 32-bit machines. >> >> Postgres requires twos-complement representation, so that the >> assumption that signed integer types wrap around on overflow can be >> safely made.
Uh, no. The C standard defines signed overflow as undefined, an compilers assume it doesn't happen. The optimize based on y observation. --- Please excuse brevity and formatting - I am writing this on my mobile phone. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
