Re: [PATCH] Negative Transition Aggregate Functions (WIP)
| От | Ants Aasma |
|---|---|
| Тема | Re: [PATCH] Negative Transition Aggregate Functions (WIP) |
| Дата | |
| Msg-id | CA+CSw_vxkNeeJyDNRFCj1UFUkKPEj2vHw5ZpTYHOqGStnHN6YQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | [PATCH] Negative Transition Aggregate Functions (WIP) (David Rowley <dgrowleyml@gmail.com>) |
| Ответы |
Re: [PATCH] Negative Transition Aggregate Functions (WIP)
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| Список | pgsql-hackers |
<p dir="ltr">On Dec 15, 2013 6:44 PM, "Tom Lane" <<a href="mailto:tgl@sss.pgh.pa.us">tgl@sss.pgh.pa.us</a>> wrote:<br/> > David Rowley <<a href="mailto:dgrowleyml@gmail.com">dgrowleyml@gmail.com</a>> writes:<br /> > >I've attached an updated patch which includes some documentation.<br /> > > I've also added support for negfuncin CREATE AGGREGATE. Hopefully that's<br /> > > an ok name for the option, but if anyone has any better ideasplease let<br /> > > them be known.<br /> ><br /> > I'd be a bit inclined to build the terminology around"reverse" instead of<br /> > "negative" --- the latter seems a bit too arithmetic-centric. But that's<br /> >just MHO.<p dir="ltr">To contribute to the bike shedding, inverse is often used in similar contexts.<p dir="ltr">--<br/> Ants Aasma
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