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help / color / mirror / Atom feedFrom: Laurenz Albe <[email protected]>
To: Matthias Apitz <[email protected]>
Cc: Dominique Devienne <[email protected]>
Cc: Jeremy Schneider <[email protected]>
Cc: [email protected]
Subject: Re: COLLATION update in 13.1
Date: Mon, 24 Feb 2025 16:10:06 +0100
Message-ID: <[email protected]> (raw)
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On Mon, 2025-02-24 at 13:07 +0100, Matthias Apitz wrote:
> Thanks. I did \l before which gives:
>
> List of databases
> Name | Owner | Encoding | Collate | Ctype | ICU Locale | Locale Provider | Access privileges
> ------------+----------+----------+-------------+-------------+------------+-----------------+-----------------------
> bar | foo | UTF8 | de_DE.UTF-8 | de_DE.UTF-8 | | libc |
> customers | sisis | UTF8 | de_DE.UTF-8 | de_DE.UTF-8 | | libc |
> ...
>
> But why the ALTER statement needs the spelling different as the output of \l :
>
> sisis=# ALTER COLLATION "de_DE.UTF-8" REFRESH VERSION;
> ERROR: collation "de_DE.UTF-8" for encoding "UTF8" does not exist
>
> sisis=# ALTER COLLATION "de_DE.utf8" REFRESH VERSION;
> NOTICE: version has not changed
> ALTER COLLATION
Yes, that is annoying. You can use other collation names in CREATE DATABASE
than the ones in pg_collation. You have to choose the name that is used in
pg_collation, which is probably "de_DE.utf8".
Really, they refer to the same collation.
Yours,
Laurenz Albe
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Subject: Re: COLLATION update in 13.1
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