Horton

Re: First draft of the PG 15 release notes

Bruce Momjian <bruce@momjian.us>

View thread View on postgr.es
From: Bruce Momjian <bruce@momjian.us>
To: Amit Langote <amitlangote09@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2022-05-11T14:41:52Z
Lists: pgsql-hackers 
On Wed, May 11, 2022 at 04:02:31PM +0900, Amit Langote wrote:
> On Wed, May 11, 2022 at 12:44 AM Bruce Momjian <bruce@momjian.us> wrote:
> > I have completed the first draft of the PG 15 release notes
> The commit is intended to only change the behavior of RI triggers,
> while leaving user-defined triggers firing as before.  I think it
> might be a good idea to be specific by wording this, maybe as follows?
> 
> Improve the firing of foreign key triggers during cross-partition
> updates of partitioned tables (Amit Langote)
> 
> Previously, such updates fired delete triggers on the source partition
> and insert triggers on the target partition, whereas PostgreSQL will
> now fire update triggers on the partitioned table mentioned in the
> query, which makes the behavior of foreign keys pointing into that
> table more consistent.  Note that other user-defined triggers are
> fired as they were before.

Yes, this is what I needed to know.  The updated text is:

	<!--
	Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
	2022-03-20 [ba9a7e392] Enforce foreign key correctly during cross-partition upd
	-->
	
	<listitem>
	<para>
	Improve foreign key behavior of updates on partitioned tables
	that move rows between partitions (Amit Langote)
	</para>
	
	<para>
	Previously, such updates ran delete actions on the source partition
	and insert actions on the target partition.  PostgreSQL will now
	run update actions on the partition root.
	</para>
	</listitem>

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Indecision is a decision.  Inaction is an action.  Mark Batterson

Commits

  1. Doc: last minute adjustment to the release notes

  2. Doc: more tweaking of v15 release notes.

  3. Doc: further adjust notes about pg_upgrade_output.d.

  4. Doc: add list of major features to the v15 release notes.

  5. relnotes: update item about public schema permission change

  6. relnotes: update ordered partition scan item

  7. relnotes: add Heikki to UTF8 item

  8. relnotes: improve UTF8 text item in relation to ASCII

  9. relnotes: add null logical replication item

  10. relnotes: adjust several logical replication items and FK text

  11. relnotes: mention non-exclusive backup mode was deprecated

  12. relnotes: add author to in-memory sorts item

  13. relnotes: update for non-exclusive backup mode removal

  14. relnote: improve sorting entries

  15. relnotes: adjustments from Álvaro Herrera

  16. relnotes: update foreign key partition and add sort items

  17. relnotes: more adjustments

  18. relnotes: logical replication permissions checked by subscrib.

  19. relnotes: adjustments

  20. relnotes: remove sequence replication and update 'postgres -C'

  21. relnote: extensive updates

  22. relnotes: "training" -> "trailing"

  23. Standardize references to Zstandard as <productname>

  24. pgstat: Update docs to match the shared memory stats reality.

  25. Raise a WARNING for missing publications.

  26. Skip empty transactions for logical replication.

  27. Optionally disable subscriptions on error.

  28. Allow root-owned SSL private keys in libpq, not only the backend.

  29. Use COPY FREEZE in pgbench for faster benchmark table population.