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Re: Order changes in PG16 since ICU introduction

Peter Eisentraut <peter@eisentraut.org>

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From: Peter Eisentraut <peter@eisentraut.org>
To: Jeff Davis <pgsql@j-davis.com>, Daniel Verite <daniel@manitou-mail.org>
Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@lists.postgresql.org
Date: 2023-06-07T22:11:24Z
Lists: pgsql-hackers 
On 05.06.23 19:54, Jeff Davis wrote:
> New patch series attached.

Could you clarify what here is intended for 16 and what is for later? 
This patch set keeps expanding and changing in each iteration.

There is a PG16 open item linked to this thread

* The rules for choosing default ICU locale seem pretty unfriendly

which I think would be addressed by an appropriately fixed up variant of 
your patch 0003.

(Or if not, what is the actual issue?)

Everything else appears to be either new feature work or fixing 
pre-existing prehavior, so is not in scope for PG16 and should be dealt 
with elsewhere, so we can focus here on closing out this release.

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.