Re: First draft of PG 17 release notes

Bruce Momjian <bruce@momjian.us>

From: Bruce Momjian <bruce@momjian.us>
To: Andres Freund <andres@anarazel.de>
Cc: Melanie Plageman <melanieplageman@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2024-05-26T03:41:48Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Revert support for ALTER TABLE ... MERGE/SPLIT PARTITION(S) commands

  2. When creating materialized views, use REFRESH to load data.

  3. Revert temporal primary keys and foreign keys

  4. Avoid needless large memcpys in libpq socket writing

  5. Enhance nbtree ScalarArrayOp execution.

  6. Introduce a non-recursive JSON parser

  7. Combine freezing and pruning steps in VACUUM

  8. Allow SIGINT to cancel psql database reconnections.

  9. Provide API for streaming relation data.

  10. Add hash support functions and hash opclass for contrib/ltree.

  11. Pull up ANY-SUBLINK with the necessary lateral support.

  12. Read WAL directly from WAL buffers.

  13. Introduce the dynamic shared memory registry.

  14. Add macros for looping through a List without a ListCell.

  15. Support +/- infinity in the interval data type.

  16. Extend ALTER OPERATOR to allow setting more optimization attributes.

  17. Consider cheap startup paths in add_paths_to_append_rel

Attachments

On Fri, May 24, 2024 at 11:23:29AM -0700, Andres Freund wrote:
> Hi,
> 
> On 2024-05-22 18:33:03 -0400, Bruce Momjian wrote:
> > On Tue, May 21, 2024 at 09:40:28AM -0700, Andres Freund wrote:
> > > On 2024-05-18 11:13:54 -0400, Bruce Momjian wrote:
> > > I agree keeping things reasonably short is important. But I don't think you're
> > > evenly applying it as a goal.
> > >
> > > Just skimming the notes from the end, I see
> > > - an 8 entries long pg_stat_statements section
> >
> > What item did you want to remove?  Those are all user-visible changes.
> 
> My point here was not that we necessarily need to remove those, but that their
> impact to users is smaller than many of the performance impacts you disregard.

I liked all your detailed suggestions so applied the attached patch. 

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

  Only you can decide what is important to you.