Re: First draft of PG 17 release notes

Andrew Dunstan <andrew@dunslane.net>

From: Andrew Dunstan <andrew@dunslane.net>
To: Bruce Momjian <bruce@momjian.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2024-05-18T20:37:54Z
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

On 2024-05-18 Sa 12:50, Bruce Momjian wrote:
> On Thu, May 16, 2024 at 11:50:20AM -0400, Andrew Dunstan wrote:
>>> Maybe "Introduce an incremental JSON parser" would have been a better
>>>> headline.
>>> Well, this gets into a level of detail that is beyond the average
>>> reader.  I think at that level people will need to read the git logs or
>>> review the code.  Do we use it for anything yet?
>>
>> Yes, certainly, it's used in handling backup manifests. Without it we can't
>> handle huge manifests. See commits ea7b4e9a2a and 222e11a10a.
>>
>> Other uses are in the works.
> Okay, added in the attached applied patch.
>

Thanks


cheers


andrew

--
Andrew Dunstan
EDB: https://www.enterprisedb.com