On 07.12.22 18:44, Jeff Davis wrote:
> On Wed, 2022-12-07 at 13:04 +0100, Peter Eisentraut wrote:
>> This was an intentional change because of underlying conceptual and
>> catalog changes. lc_collate, lc_ctype, and iculocale are now tracked
>> separately in the catalogs. This is also important because for a
>> database they actually are used separately. So this also keeps the
>> locale/collation settings for databases and collations consistent.
>
> That makes sense, but there also doesn't seem to be much harm in
> supporting the old behavior where it works as long as ctype==collate.
> As in my patch, it accepts either locale or ctype==collate as the icu
> locale.
The harm is that in the context of database-level collations, the
analogous syntax means something different. That's why in the context
of adding ICU support on the database level, this syntax for collation
objects was disabled.
