Re: Changed SRF in targetlist handling

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От Alvaro Herrera
Тема Re: Changed SRF in targetlist handling
Дата
Msg-id 20160523202445.GA402582@alvherre.pgsql
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Ответ на Re: Changed SRF in targetlist handling  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Changed SRF in targetlist handling  ("David G. Johnston" <david.g.johnston@gmail.com>)
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Tom Lane wrote:
> Joe Conway <mail@joeconway.com> writes:

> > I'll also note that, unless I missed something, we also have to consider
> > that the capability to pipeline results is still only available in the
> > target list.
> 
> Yes, we would definitely want to improve nodeFunctionscan.c to perform
> better for ValuePerCall SRFs.  But that has value independently of this.

Ah, so that's what "pipeline results" mean!  I hadn't gotten that.  I
agree; Abhijit had a patch or a plan for this, a long time ago ...

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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