From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
Cc: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Sandro Santilli <strk(at)kbt(dot)io>, Regina Obe <lr(at)pcorp(dot)us>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Jeff Davis <pgsql(at)j-davis(dot)com> |
Subject: | Re: Order changes in PG16 since ICU introduction |
Date: | 2023-04-21 18:06:57 |
Message-ID: | 3369718.1682100417@sss.pgh.pa.us |
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Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> "Peter" == Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> writes:
> Peter> If the database is created with locale provider ICU, then
> Peter> lc_collate does not apply here,
> Having lc_collate return a value which is silently being ignored seems
> to me rather hugely confusing.
It's not *completely* ignored --- there are bits of code that are not
yet ICU-ified and will still use the libc facilities. So we can't
get rid of those options yet, even in an ICU-based database.
> 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.
Confirmed:
$ LANG=en_US.utf8 initdb --no-locale
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.
Using default ICU locale "en_US".
Using language tag "en-US" for ICU locale "en_US".
The database cluster will be initialized with this locale configuration:
provider: icu
ICU locale: en-US
LC_COLLATE: C
LC_CTYPE: C
...
That needs to be fixed: --no-locale should prevent any consideration
of initdb's LANG/LC_foo environment.
regards, tom lane
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