Re: Delay locking partitions during INSERT and UPDATE

David Rowley <david.rowley@2ndquadrant.com>

From: David Rowley <david.rowley@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>, Robert Haas <robertmhaas@gmail.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, John Naylor <john.naylor@2ndquadrant.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-02-18T22:56:22Z
Lists: pgsql-hackers
On Tue, 19 Feb 2019 at 11:47, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Are we talking about the same patch?  The one I'm looking at seems
> to be mostly planner and plancache changes:
>
>  src/backend/catalog/dependency.c         |  1 +
>  src/backend/commands/createas.c          |  1 +
>  src/backend/executor/execUtils.c         | 20 +++++++++++---------
>  src/backend/nodes/copyfuncs.c            |  1 +
>  src/backend/nodes/equalfuncs.c           |  1 +
>  src/backend/nodes/outfuncs.c             |  1 +
>  src/backend/nodes/readfuncs.c            |  1 +
>  src/backend/optimizer/plan/planner.c     |  2 ++
>  src/backend/optimizer/util/inherit.c     | 11 +++++++++++
>  src/backend/parser/parse_relation.c      |  2 ++
>  src/backend/replication/logical/worker.c |  1 +
>  src/backend/rewrite/rewriteHandler.c     |  1 +
>  src/backend/utils/adt/ri_triggers.c      |  2 ++
>  src/backend/utils/adt/ruleutils.c        |  3 +++
>  src/backend/utils/cache/plancache.c      | 15 +++++++++++----
>  src/include/nodes/parsenodes.h           |  2 ++

Looks like you're looking at the patch from the "Delay locking
partitions during query execution" thread [1].  Different thing
altogether, although the names are confusingly similar.

[1] https://commitfest.postgresql.org/22/1897/

-- 
 David Rowley                   http://www.2ndQuadrant.com/
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Commits

  1. Delay lock acquisition for partitions until we route a tuple to them.