Re: [PATCH] Negative Transition Aggregate Functions (WIP)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Negative Transition Aggregate Functions (WIP)
Date: 2013-12-15 16:44:37
Message-ID: 11169.1387125877@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> I've attached an updated patch which includes some documentation.
> I've also added support for negfunc in CREATE AGGREGATE. Hopefully that's
> 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.

regards, tom lane

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Ants Aasma 2013-12-15 17:00:18 Re: [PATCH] Negative Transition Aggregate Functions (WIP)
Previous Message David Rowley 2013-12-15 10:14:40 Re: [PATCH] Negative Transition Aggregate Functions (WIP)