Re: greatest/least semantics different between oracle and postgres - Mailing list pgsql-general

From Bruce Momjian
Subject Re: greatest/least semantics different between oracle and postgres
Date
Msg-id 200706301527.l5UFR2q29395@momjian.us
Whole thread Raw
In response to Re: greatest/least semantics different between oracle and postgres  (Gregory Stark <stark@enterprisedb.com>)
Responses Re: greatest/least semantics different between oracle and postgres  (Gregory Stark <stark@enterprisedb.com>)
List pgsql-general
Gregory Stark wrote:
> "Tom Lane" <tgl@sss.pgh.pa.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@momjian.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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