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
?
On Mon, Feb 24, 2025 at 12:57 PM Laurenz Albe <laurenz.a...@cybertec.at>
wrote:
> On Mon, 2025-02-24 at 12:53 +0100, Matthias Apitz wrote:
> > If I understand the other reply from Laurenz Albe right, the correct
> procedure would be:
> >
> > pgsql -Usisis sisis
> > sisis=# REINDEX (VERBOSE) DATABASE sisis;
> > sisis=# ALTER COLLATION "de_DE.utf8" REFRESH VERSION;
> > ALTER COLLATION
> >
> > Correct?
>
> That REINDEX is certainly correct, even though it rebuilds way more
> indexes than necessary.
>
> If the ALTER COLLATION statement is correct or not depends on the
> collation you are using. You could look at "\l" and "pg_collation"
> to get the name right.
>
> Yours,
> Laurenz Albe
>
> --
>
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