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>
Subject: Re: Implement targetlist SRFs using ROWS FROM() (was Changed SRF in
 targetlist handling)
In-reply-to: <20170118214702.54b2mdbxce5piwv5@alap3.anarazel.de>
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Comments: In-reply-to Andres Freund <andres@anarazel.de>
	message dated "Wed, 18 Jan 2017 13:47:02 -0800"
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Date: Wed, 18 Jan 2017 16:56:46 -0500
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Andres Freund <andres@anarazel.de> writes:
> There's one sgml comment you'd added:
> "Furthermore, nested set-returning functions did not work at all."
> I'm not quite sure what you're referring to there - it was previously
> allowed to have one set argument to an SRF:

Ooops ... that was composed too hastily, evidently.  Will fix.

I'll try to write something about the SRF-in-CASE issue too.  Seeing
whether we can document that adequately seems like an important part
of making the decision about whether we need to block it.

> Working on rebasing the cleanup patch now.  Interested in reviewing
> that?  Otherwise I think I'll just push the rebased version of what I'd
> posted before, after making another pass through it.

I have not actually looked at 0003 at all yet.  So yeah, please post
for review after you're done rebasing.

			regards, tom lane


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