Horton

Re: First draft of PG 17 release notes

Muhammad Ikram <mmikram@gmail.com>

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From: Muhammad Ikram <mmikram@gmail.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Bruce Momjian <bruce@momjian.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2024-05-09T04:47:34Z
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

Hi Bruce,

A minor formatting issue in the start below. Bullet is not required here.

E.1.1. Overview
<https://momjian.us/pgsql_docs/release-17.html#RELEASE-17-HIGHLIGHTS>

PostgreSQL 17 contains many new features and enhancements, including:

   -


The above items and other new features of PostgreSQL 17 are explained in
more detail in the sections below.
Regards,
Ikram



On Thu, May 9, 2024 at 9:45 AM David Rowley <dgrowleyml@gmail.com> wrote:

> On Thu, 9 May 2024 at 16:04, Bruce Momjian <bruce@momjian.us> wrote:
> > I welcome feedback.  For some reason it was an easier job than usual.
>
> Thanks for working on that.
>
> > +2023-11-02 [cac169d68] Increase DEFAULT_FDW_TUPLE_COST from 0.01 to 0.2
>
> > +Double the default foreign data wrapper tuple cost (David Rowley, Umair
> Shahid)
>
> That's 20x rather than 2x.
>
> David
>
>
>

-- 
Muhammad Ikram