| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Ben <bench(at)silentmedia(dot)com>, "PostgreSQL General ((EN))" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: greatest/least semantics different between oracle and postgres |
| Date: | 2007-06-30 15:27:02 |
| Message-ID: | 200706301527.l5UFR2q29395@momjian.us |
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| Thread: | |
| Lists: | pgsql-general |
Gregory Stark wrote:
> "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>
> > GREATEST/LEAST aren't in the spec, so there's not much help there.
> >
> > Except ... if they ever do get added to the spec, what do you think
> > the spec will say? The odds it'd contradict Oracle seem about nil.
>
> Fwiw even in the min/max/sum case the spec is moving away from having
> aggregates ignore NULL values. You now get a warning in Oracle if your
> aggregate includes any NULL inputs.
How does Oracle's new behavior relate to the standard moving?
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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