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Re: Order changes in PG16 since ICU introduction

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "Daniel Verite" <daniel@manitou-mail.org>
Cc: "Jeff Davis" <pgsql@j-davis.com>, Regina Obe <lr@pcorp.us>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Sandro Santilli <strk@kbt.io>, pgsql-hackers@lists.postgresql.org
Date: 2023-04-25T15:20:38Z
Lists: pgsql-hackers 
"Daniel Verite" <daniel@manitou-mail.org> writes:
> 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.

Yeah, those aren't even connected up to the collation-selection
mechanisms; lots of work to do there.  I wonder if they could be
made to use regc_pg_locale.c instead of duplicating logic.

			regards, tom lane

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.