Re: Changed SRF in targetlist handling - Mailing list pgsql-hackers

From David G. Johnston
Subject Re: Changed SRF in targetlist handling
Date
Msg-id CAKFQuwa9_UCyTrJ+znOdRy=HhUR2sBjZkQWrLC2GaLniKWuxDg@mail.gmail.com
Whole thread Raw
In response to Re: Changed SRF in targetlist handling  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: Changed SRF in targetlist handling  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Mon, May 23, 2016 at 4:24 PM, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
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 ...


​Is this sidebar strictly an implementation detail, not user visible?

David J.

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