Re: pgsql: Avoid race in RelationBuildDesc() affecting CREATE INDEX CONCURR

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>

To: Andres Freund <andres@anarazel.de>

Cc: Tomas Vondra <tomas.vondra@enterprisedb.com>, pgsql-hackers@postgresql.org, pgsql-release@postgresql.org, Noah Misch <noah@leadboat.com>, pgsql-committers@lists.postgresql.org

Date: 2022-02-09T01:23:06Z

Lists: pgsql-hackers

On Tue, Feb 08, 2022 at 04:43:47PM -0800, Andres Freund wrote:
> Ugh. Do we need to do something about WRT the next set of minor
> releases?

The set of minor releases of this week has already been stamped, so
that's too late :/

> Is there a a chance of this occuring in "real" workloads?

Ugh++.  The problem is that we would not really detect that
automatically, isn't it?
--
Michael

Commits

Fix back-patch of "Avoid race in RelationBuildDesc() ..."
- eac3c4007044 10.21 landed
- 3cc89d9c3834 11.16 landed
- 2d96a66c2eef 12.11 landed
- 1b8462bf1d09 13.7 landed
Avoid race in RelationBuildDesc() affecting CREATE INDEX CONCURRENTLY.
- fdd965d074d4 15.0 cited