Horton

Re: Implement targetlist SRFs using ROWS FROM() (was Changed SRF in targetlist handling)

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Robert Haas <robertmhaas@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2017-01-18T20:00:12Z
Lists: pgsql-hackers 
Andres Freund <andres@anarazel.de> writes:
> On 2017-01-18 14:24:12 -0500, Tom Lane wrote:
>> So I think we can push this patch now and get on with the downstream
>> patches.  Do you want to do the honors, or shall I?

> Whatever you prefer - either way, I'll go on to rebasing the cleanup
> patch afterwards (whose existance should probably be mentioned in the
> commit message).

OK, I can do it --- I have the revised patch already queued up in git
stash, so it's easy.  Need to write a commit msg though.  Did you have
a draft for that?

			regards, tom lane

Commits

  1. Remove obsoleted code relating to targetlist SRF evaluation.

  2. Doc: improve documentation of new SRF-in-tlist behavior.

  3. Move targetlist SRF handling from expression evaluation to new executor node.

  4. Don't split up SRFs when choosing to postpone SELECT output expressions.