Re: Early WIP/PoC for inlining CTEs

Andreas Karlsson <andreas@proxel.se>

From: Andreas Karlsson <andreas@proxel.se>

To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>

Cc: 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: 2019-01-29T02:36:24Z

Lists: pgsql-hackers

Commits

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Prevent inlining of multiply-referenced CTEs with outer recursive refs.
- 9476131278c7 12.0 landed
Allow user control of CTE materialization, and change the default behavior.
- 608b167f9f9c 12.0 landed
Split QTW_EXAMINE_RTES flag into QTW_EXAMINE_RTES_BEFORE/_AFTER.
- 18c0da88a5d9 12.0 landed
document when PREPARE uses generic plans
- fab9d1da4a21 9.6.0 cited

On 1/28/19 10:54 PM, Peter Eisentraut wrote:
> Or put it at the end?
> 
>      WITH ctename AS ( query ) MATERIALIZED

Hm, seems like that would be easy to miss for long queries.

Andreas