Re: Pre-proposal: unicode normalized text

Peter Eisentraut <peter@eisentraut.org>

From: Peter Eisentraut <peter@eisentraut.org>

To: Jeff Davis <pgsql@j-davis.com>, Robert Haas <robertmhaas@gmail.com>

Cc: pgsql-hackers@postgresql.org

Date: 2023-10-11T06:56:13Z

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 →

Try again to fix the MSVC build
- 151ffcf6d8c1 17.0 landed
Additional unicode primitive functions.
- a02b37fc0832 17.0 landed

On 11.10.23 03:08, Jeff Davis wrote:
>    * unicode_is_valid(text): returns true if all codepoints are
> assigned, false otherwise

We need to be careful about precise terminology.  "Valid" has a defined 
meaning for Unicode.  A byte sequence can be valid or not as UTF-8.  But 
a string containing unassigned code points is not not-"valid" as Unicode.

>    * unicode_version(): version of unicode Postgres is built with
>    * icu_unicode_version(): version of Unicode ICU is built with

This seems easy enough, but it's not clear what users would actually do 
with that.