Re: Early WIP/PoC for inlining CTEs

Andreas Karlsson <andreas@proxel.se>

From: Andreas Karlsson <andreas@proxel.se>

To: Andrew Gierth <andrew@tao11.riddles.org.uk>, Nico Williams <nico@cryptonector.com>

Cc: David Fetter <david@fetter.org>, pgsql-hackers@postgresql.org

Date: 2018-07-26T12:51:53Z

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 07/25/2018 06:08 PM, Andrew Gierth wrote:
> WITH ctename AS [[NOT] MATERIALIZED] (query)

I think "NOT MATERIALIZED" would be a bit misleading since the planner 
may choose to materialize anyway, so I suggest skipping that part of the 
syntax unless there is a really strong reason for having it.

Andreas