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Re: Order changes in PG16 since ICU introduction

Jeff Davis <pgsql@j-davis.com>

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From: Jeff Davis <pgsql@j-davis.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Regina Obe <lr@pcorp.us>, 'Peter Eisentraut' <peter.eisentraut@enterprisedb.com>, 'Sandro Santilli' <strk@kbt.io>, pgsql-hackers@lists.postgresql.org
Date: 2023-04-21T20:50:41Z
Lists: pgsql-hackers 
On Fri, 2023-04-21 at 16:00 -0400, Tom Lane wrote:
> Maybe this means we are not ready to do ICU-by-default in v16.
> It certainly feels like there might be more here than we want to
> start designing post-feature-freeze.

I don't see how punting to the next release helps. If the CREATE
DATABASE syntax (and similar issues for createdb and initdb) in v15 is
just too confusing, and we can't find a remedy for v16, then we
probably won't find a remedy for v17 either.

Regards,
	Jeff Davis

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Introduce "builtin" collation provider.

  2. ICU: do not convert locale 'C' to 'en-US-u-va-posix'.

  3. initdb: change default --locale-provider back to libc.

  4. CREATE DATABASE: make LOCALE apply to all collation providers.

  5. Remove read-only server settings lc_collate and lc_ctype

  6. ICU: use uloc_getDefault() for initdb.

  7. Doc fixes for commit 1e16af8ab5.

  8. Doc: fix some rendering problems in the PDF docs build.

  9. Doc improvements for language tags and custom ICU collations.

  10. ICU: check for U_STRING_NOT_TERMINATED_WARNING.

  11. Reduce icu_validation_level default to WARNING.

  12. Revert "ICU: do not convert locale 'C' to 'en-US-u-va-posix'."

  13. Fix initdb --no-locale.

  14. Avoid character classification in regex escape parsing.