Re: Idempotence and "Replication Insensitivity" are equivalent ?
From: Aloha Kakuikanu <aloha.kakuikanu_at_yahoo.com>
Date: 22 Sep 2006 18:01:07 -0700
Message-ID: <1158973267.159907.186390_at_d34g2000cwd.googlegroups.com>
Date: 22 Sep 2006 18:01:07 -0700
Message-ID: <1158973267.159907.186390_at_d34g2000cwd.googlegroups.com>
Rick Decker wrote:
> Aloha Kakuikanu wrote:
>
> > pamelafluente_at_libero.it wrote:
> >
> >>... but in case of a Median date, how would you proceed?
> >>Would it be all "postprocessing" ?
> >
> >
> > There is no such thing as mediant aggregate function. The only
> > aggregate functions are "sum" and "min/max". All the rest deduces to
> > these.
>
> Maybe it's due to the late hour where I live, but it's not obvious
> to me how one would define, say, "count" in terms of "sum" and
> "min/max".
count() = sum(1) Received on Sat Sep 23 2006 - 03:01:07 CEST