Re: Order of enforcement of CHECK constraints?

=?UTF-8?Q?Fabr=C3=ADzio_de_Royes_Mello?= <fabriziomello(at)gmail(dot)com> writes:
> On Fri, Mar 20, 2015 at 4:19 PM, Peter Geoghegan <pg(at)heroku(dot)com> wrote:
>> On Fri, Mar 20, 2015 at 12:15 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> We could fix it by, say, having CheckConstraintFetch() sort the
>>> constraints by name after loading them.

>> What not by OID, as with indexes? Are you suggesting that this would
>> become documented behavior?

> I think they should be executed in alphabetical order like triggers.

Yeah. We already have a comparable, and documented, behavior for
triggers, so if we're going to do anything about this I'd vote for
sorting by name (or more specifically, by strcmp()).

regards, tom lane