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Re: Order changes in PG16 since ICU introduction

Daniel Verite <daniel@manitou-mail.org>

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From: "Daniel Verite" <daniel@manitou-mail.org>
To: "Jeff Davis" <pgsql@j-davis.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Regina Obe <lr@pcorp.us>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Sandro Santilli <strk@kbt.io>, pgsql-hackers@lists.postgresql.org
Date: 2023-04-25T15:00:19Z
Lists: pgsql-hackers 
	Jeff Davis wrote:

> > (I'm not sure whether those operations can get redirected to ICU
> > today
> > or whether they still always go to libc, but we'll surely want to fix
> > it eventually if the latter is still true.)
> 
> Those operations do get redirected to ICU today. 

FTR the full text search parser still uses the libc functions
is[w]space/alpha/digit...  that depend on lc_ctype, whether the db
collation provider is ICU or not.


Best regards,
-- 
Daniel Vérité
https://postgresql.verite.pro/
Twitter: @DanielVerite

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.