Horton

Re: ICU locale validation / canonicalization

Jeff Davis <pgsql@j-davis.com>

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From: Jeff Davis <pgsql@j-davis.com>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2023-03-17T17:55:56Z
Lists: pgsql-hackers

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On Wed, 2023-03-15 at 15:18 -0700, Jeff Davis wrote:
> I left out the validation patch for now, and I'm evaluating a
> different
> approach that will attempt to match to the locales retrieved with
> uloc_countAvailable()/uloc_getAvailable().

I like this approach, attached new patch series with that included as
0006.

The first 3 patches are essentially bugfixes -- should they be
backported?


-- 
Jeff Davis
PostgreSQL Contributor Team - AWS

Commits

  1. Add missing source file to nls.mk

  2. Fix MSVC warning introduced in ea1db8ae70.

  3. Canonicalize ICU locale names to language tags.

  4. Validate ICU locales.

  5. initdb: emit message when using default ICU locale.

  6. initdb: replace check_icu_locale() with default_icu_locale().

  7. Fix error inconsistency in older ICU versions.

  8. Avoid potential UCollator leak for older ICU versions.

  9. pg_locale.c: change ereport() to elog().

  10. Handle the "und" locale in ICU versions 54 and older.

  11. Wrap ICU ucol_open().

  12. Support language tags in older ICU versions (53 and earlier).

  13. Improve support for UNICODE collation on older ICU

  14. Use ICU by default at initdb time.