Re: First draft of PG 17 release notes

Bruce Momjian <bruce@momjian.us>

From: Bruce Momjian <bruce@momjian.us>

To: jian he <jian.universality@gmail.com>

Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>

Date: 2024-05-18T16:11:38Z

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 →

Revert support for ALTER TABLE ... MERGE/SPLIT PARTITION(S) commands
- 3890d90c1508 18.0 cited
When creating materialized views, use REFRESH to load data.
- b4da732fd64e 17.0 cited
Revert temporal primary keys and foreign keys
- 8aee330af55d 17.0 cited
Avoid needless large memcpys in libpq socket writing
- c4ab7da60617 17.0 cited
Enhance nbtree ScalarArrayOp execution.
- 5bf748b86bc6 17.0 cited
Introduce a non-recursive JSON parser
- 3311ea86edc7 17.0 cited
Combine freezing and pruning steps in VACUUM
- 6dbb490261a6 17.0 cited
Allow SIGINT to cancel psql database reconnections.
- cafe1056558f 17.0 cited
Provide API for streaming relation data.
- b5a9b18cd0bc 17.0 cited
Add hash support functions and hash opclass for contrib/ltree.
- 485f0aa85995 17.0 cited
Pull up ANY-SUBLINK with the necessary lateral support.
- 9f133763961e 17.0 cited
Read WAL directly from WAL buffers.
- 91f2cae7a4e6 17.0 cited
Introduce the dynamic shared memory registry.
- 8b2bcf3f287c 17.0 cited
Add macros for looping through a List without a ListCell.
- 14dd0f27d7cd 17.0 cited
Support +/- infinity in the interval data type.
- 519fc1bd9e9d 17.0 cited
Extend ALTER OPERATOR to allow setting more optimization attributes.
- 2b5154beab79 17.0 cited
Consider cheap startup paths in add_paths_to_append_rel
- a8a968a8212e 17.0 cited

On Thu, May 16, 2024 at 04:29:38PM +0800, jian he wrote:
> On Thu, May 9, 2024 at 12:04 PM Bruce Momjian <bruce@momjian.us> wrote:
> >
> > I have committed the first draft of the PG 17 release notes;  you can
> > see the results here:
> >
> >         https://momjian.us/pgsql_docs/release-17.html
> >
> 
> >> Add jsonpath methods to convert JSON values to different data types (Jeevan Chalke)
> >> The jsonpath methods are .bigint(), .boolean(), .date(), .decimal([precision [, scale]]), .integer(), .number(), .string(), .time(), .time_tz(), .timestamp(), and .timestamp_tz().
> 
> I think it's slightly incorrect.
> 
> for example:
> select jsonb_path_query('"2023-08-15"', '$.date()');
> I think it does is trying to validate json value "2023-08-15" can be a
> date value, if so, print json string out, else error out.
> 
> 
> "convert JSON values to different data types"
> meaning that we are converting json values to another data type, date?

I see your point.  I have reworded it to be:

	Add jsonpath methods to convert JSON values to other JSON data
	types (Jeevan Chalke)

Does that help?  I think your example is causing confusion because once
JSON values enter the SQL data type space, they are strings.

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

  Only you can decide what is important to you.