Re: Window Function "Run Conditions"

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От
Andres Freund
Тема
Re: Window Function "Run Conditions"
Дата
Msg-id
20220405030957.efothq3buc3d3zl5@alap3.anarazel.de
Ответ на
Re: Window Function "Run Conditions" (David Rowley)
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Дерево обсуждения
Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Zhihong Yu <zyu@yugabyte.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Andres Freund <andres@anarazel.de>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Andres Freund <andres@anarazel.de>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Andres Freund <andres@anarazel.de>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Zhihong Yu <zyu@yugabyte.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Zhihong Yu <zyu@yugabyte.com>
Re: Window Function "Run Conditions" Andy Fan <zhihui.fan1213@gmail.com>
Re: Window Function "Run Conditions" Zhihong Yu <zyu@yugabyte.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Greg Stark <stark@mit.edu>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" Corey Huinker <corey.huinker@gmail.com>
Re: Window Function "Run Conditions" David Rowley <dgrowleyml@gmail.com>
Re: Window Function "Run Conditions" "David G. Johnston" <david.g.johnston@gmail.com>
Re: Window Function "Run Conditions" Pavel Stehule <pavel.stehule@gmail.com> 
On 2022-04-05 12:04:18 +1200, David Rowley wrote:
> > This is afaics slightly cheaper than referencing a variable in a slot.
> 
> I guess you must mean cheaper because it means there will be no
> EEOP_*_FETCHSOME step?  Otherwise it seems a fairly similar amount of
> work.

That, and slightly fewer indirections for accessing values IIRC.
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