Re: First draft of the PG 15 release notes - Mailing list pgsql-hackers

On 30.08.22 22:42, Bruce Momjian wrote:
> Good question --- the full text is:
> 
>       <listitem>
>        <para>
>         Record and check the collation of each <link
>         linkend="sql-createdatabase">database</link> (Peter Eisentraut)
>        </para>
> 
>        <para>
>         This is designed to detect collation
>         mismatches to avoid data corruption.  Function
>         <function>pg_database_collation_actual_version()</function>
>         reports the underlying operating system collation version, and
>         <command>ALTER DATABASE ...  REFRESH</command> sets the database
>         to match the operating system collation version.  DETAILS?
>        </para>
>       </listitem>
> 
> I just can't figure out what the user needs to understand about this,
> and I understand very little of it.

We already had this feature for (schema-level) collations, now we have 
it on the level of the database collation.