Re: greatest/least semantics different between oracle and postgres

[Bruce Momjian <bruce(at)momjian(dot)us>]

Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)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.

OK, I like the generic approach.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

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