Horton

Re: Early WIP/PoC for inlining CTEs

Merlin Moncure <mmoncure@gmail.com>

View thread
From: Merlin Moncure <mmoncure@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Michael Paquier <michael@paquier.xyz>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, Andreas Karlsson <andreas@proxel.se>, Andres Freund <andres@anarazel.de>, Thomas Munro <thomas.munro@enterprisedb.com>, Andrew Gierth <andrew@tao11.riddles.org.uk>, David Fetter <david@fetter.org>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2019-01-30T04:56:12Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Prevent inlining of multiply-referenced CTEs with outer recursive refs.

  2. Allow user control of CTE materialization, and change the default behavior.

  3. Split QTW_EXAMINE_RTES flag into QTW_EXAMINE_RTES_BEFORE/_AFTER.

  4. document when PREPARE uses generic plans

On Tuesday, January 29, 2019, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Merlin Moncure <mmoncure@gmail.com> writes:
> > On Tue, Jan 29, 2019 at 1:53 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> >> I propose that we implement and document this as
> >> WITH ctename AS [ MATERIALIZE { ON | OFF } ] ( query )
>
> > I hate to bikeshed here, but I think it's better english using that
> > style of syntax to say,
> >  WITH ctename AS [ MATERIALIZATION { ON | OFF } ] ( query )
>
> Hm.  Doesn't really seem to fit with our style for options elsewhere;
> for instance, EXPLAIN's options are things like ANALYZE ON/OFF and
> VERBOSE ON/OFF, not ANALYSIS and VERBOSITY.
>
>                         regards, tom lane
>

Yep...I'll concede the point.

merlin