On Dec 15, 2013 6:44 PM, "Tom Lane" <t...@sss.pgh.pa.us> wrote:
> David Rowley <dgrowle...@gmail.com> writes:
> > I've attached an updated patch which includes some documentation.
> > I've also added support for negfunc in CREATE AGGREGATE. Hopefully
> > an ok name for the option, but if anyone has any better ideas please let
> > them be known.
> I'd be a bit inclined to build the terminology around "reverse" instead of
> "negative" --- the latter seems a bit too arithmetic-centric.  But that's
> just MHO.

To contribute to the bike shedding, inverse is often used in similar

Ants Aasma

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