On Tue, Mar 31, 2015 at 12:58:27PM -0400, Tom Lane wrote: > David Fetter <da...@fetter.org> writes: > > On Tue, Mar 31, 2015 at 10:34:45AM -0400, Adam Brightwell wrote: > >> Previously, zero was rejected, what does it do now? I'm sure it > >> represents 0 AD/CE, however, is that important enough to note > >> given that it was not allowed previously? > > > Now, it's supposed to take 0 as 1 BCE, -1 as 2 BCE, etc. There > > should probably be tests for that. > > Surely that is *not* what we want?
It is if we're to be consistent with the rest of the system, to wit: SELECT to_date('YYYY','0000'); to_date --------------- 0001-01-01 BC (1 row) > I'd expect any user-facing date function to reject zero and take -1 > as 1 BC, etc. The behavior you describe is an internal convention, > not something we want to expose to users. That ship has already sailed. Cheers, David. -- David Fetter <da...@fetter.org> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fet...@gmail.com Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers