Horton

Re: PG 14 release notes, first draft

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>, Justin Pryzby <pryzby@telsasoft.com>, pgsql-hackers@postgresql.org
Date: 2021-05-17T03:06:28Z
Lists: pgsql-hackers 
On Sat, May 15, 2021 at 10:27:08PM -0400, Tom Lane wrote:
> Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> > I, um, again think that the item should not be primarily about JSONB,
> > but about our (IMO groundbreaking) extensible subscripting work.
> 
> +1.  Extensible subscripting is THE feature here, using it for jsonb
> is just an application.

OK, I moved the entry into 'data types', and listed two entries instead
of one:

	<listitem>
	<!--
	Author: Tom Lane <tgl@sss.pgh.pa.us>
	2020-12-09 [c7aba7c14] Support subscripting of arbitrary types, not only arrays
	-->
	
	<para>
	Allow extensions and built-in data types to implement subscripting (Tom Lane)
	</para>
	
	<para>
	Previously subscript handling was hard-coded into the server and
	was difficult to add to date types.
	</para>
	</listitem>
	
	<listitem>
	<!--
	Author: Alexander Korotkov <akorotkov@postgresql.org>
	2021-01-31 [676887a3b] Implementation of subscripting for jsonb
	Author: Alexander Korotkov <akorotkov@postgresql.org>
	2021-01-31 [81fcc72e6] Filling array gaps during jsonb subscripting
	Author: Alexander Korotkov <akorotkov@postgresql.org>
	2021-01-31 [aa6e46daf] Throw error when assigning jsonb scalar instead of a com
	-->
	
	<para>
	Allow subscripting of JSONB (Dmitry Dolgov)
	</para>
	
	<para>
	JSONB subscripting can be used to extract from and assign to
	JSONB documents.
	</para>
	</listitem>


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

  If only the physical world exists, free will is an illusion.

Commits

  1. doc: add mention of +4GB windows file handling in PG14 relnotes

  2. doc: PG 14 relnotes fixes

  3. doc: PG 14 relnote updates

  4. doc: PG 14 relnotes, adjust pg_{read|write}_all_data entry

  5. Update PG 14 relnotes for vacuum_cost_page_miss

  6. doc: update PG 14 release notes with recent feedback

  7. Update replication statistics after every stream/spill.

  8. Add information of total data processed to replication slot stats.

  9. Use NameData datatype for slotname in stats.

  10. Add back vacuum_cleanup_index_scale_factor parameter.

  11. Don't consider newly inserted tuples in nbtree VACUUM.

  12. pgbench: Improve time logic.

  13. Track total amounts of times spent writing and syncing WAL data to disk.

  14. Allow decoding at prepare time in ReorderBuffer.

  15. Extend the output plugin API to allow decoding of prepared xacts.

  16. Fix nbtree cleanup-only VACUUM stats inaccuracies.

  17. Execute invalidation messages for each XLOG_XACT_INVALIDATIONS message

  18. Fix our Windows stat() emulation to handle file sizes > 4GB.

  19. Trigger autovacuum based on number of INSERTs

  20. Speed up planning when partitions can be pruned at plan time.

  21. Remove support for password_encryption='off' / 'plain'.

  22. Increase work_mem and maintenance_work_mem defaults by 4x