Bruce Momjian <bruce@momjian.us> writes:
> Tom Lane wrote:
>> Anyway, there's no doubt that we can point to the behavior of MAX/MIN
>> as defense for what we made GREATEST/LEAST do, so I'm inclined to leave
>> their behavior alone, at least until such time as they're actually
>> standardized. But a note in the manual pointing out the difference from
>> Oracle seems in order.
> Agreed that we are good by following min/max. Not sure about a mention
> in the docs that we are different from Oracle helps. Do we mention
> other differences? I see us doing that only for PL/Psql.
We tend not to mention Oracle by name, but there are various places
saying that we do X while "some other databases" do Y. In view of the
mysql behavior I think I'd use that same wording here.
regards, tom lane