Horton

Re: ATTACH/DETACH PARTITION CONCURRENTLY

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2018-11-06T18:14:49Z
Lists: pgsql-hackers 
On 2018-Nov-06, Robert Haas wrote:

> If you're not hacking on this patch set too actively right at the
> moment, I'd like to spend some time hacking on the CREATE/ATTACH side
> of things and see if I can produce something committable for that
> portion of the problem.

I'm not -- feel free to hack away.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Allow ATTACH PARTITION with only ShareUpdateExclusiveLock.

  2. Change lock acquisition order in expand_inherited_rtentry.

  3. Move code for managing PartitionDescs into a new file, partdesc.c

  4. Remove more redundant relation locking during executor startup.

  5. Add assertions that we hold some relevant lock during relation open.

  6. Try to acquire relation locks in RangeVarGetRelid.