On Tue, Nov 17, 2015 at 9:00 PM, Robert Haas <robertmh...@gmail.com> wrote: > On Mon, Nov 16, 2015 at 9:49 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> Kyotaro HORIGUCHI <horiguchi.kyot...@lab.ntt.co.jp> writes: >>> Hello. I found that 9.5 has an undocumented difference from 9.4 >>> in type cast in pl/pgsql and I think it might better be mentioned >>> as a change of behavior in release notes. >> >>> Whether do you think it is worth mentioning or not in release notes? >> >> This seems unnecessarily alarmist to me. Anybody who's in the habit >> of converting between float4 and float8 will already be used to this >> behavior, because it is what has always happened everywhere else in >> the system. > > Sure, but that doesn't mean nobody's functions will start behaving > differently. It seems worth mentioning as a backward compatibility > issue to me, because if something breaks, it may not be immediately > obvious why it has gotten broken.
Agreed, but the note should be followed by another one warning against any expectations of floating point behavior below the precision threshold :-). merlin -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
