Horton

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

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org
Date: 2016-09-13T00:32:09Z
Lists: pgsql-hackers 
On 2016-09-12 20:15:46 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > On 2016-09-12 16:56:32 -0700, Andres Freund wrote:
> >> Attached is a noticeably expanded set of tests, with fixes for the stuff
> >> you'd found.  I plan to push that soon-ish.  Independent of the approach
> >> we'll be choosing, increased coverage seems quite useful.
> 
> > And for real.
> 
> Looks good to me, please push.

Done.

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.