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Re: Order changes in PG16 since ICU introduction

Matthias van de Meent <boekewurm+postgres@gmail.com>

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From: Matthias van de Meent <boekewurm+postgres@gmail.com>
To: Jeff Davis <pgsql@j-davis.com>
Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Sandro Santilli <strk@kbt.io>, Tom Lane <tgl@sss.pgh.pa.us>, Regina Obe <lr@pcorp.us>, pgsql-hackers@lists.postgresql.org
Date: 2023-05-18T18:11:36Z
Lists: pgsql-hackers 
On Fri, 21 Apr 2023 at 22:46, Jeff Davis <pgsql@j-davis.com> wrote:
>
> On Fri, 2023-04-21 at 19:00 +0100, Andrew Gierth wrote:
> > > > > >
> > Also, somewhere along the line someone broke initdb --no-locale,
> > which
> > should result in C locale being the default everywhere, but when I
> > just
> > tested it it picked 'en' for an ICU locale, which is not the right
> > thing.
>
> Fixed, thank you.

As I complain about in [0], since 5cd1a5af --no-locale has been broken
/ bahiving outside it's description: Instead of being equivalent to
`--locale=C` it now also overrides `--locale-provider=libc`, resulting
in undocumented behaviour.

Kind regards,

Matthias van de Meent
Neon, Inc.

[0] https://www.postgresql.org/message-id/CAEze2WiZFQyyb-DcKwayUmE4rY42Bo6kuK9nBjvqRHYxUYJ-DA%40mail.gmail.com

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.