On Mon, Nov 13, 2017 at 11:48 AM, Andreas Joseph Krogh <andreas@xxxxxxxxxx> wrote: > Ok, so I have to explicitly specify like this: > > create table test(id serial primary key, name varchar collate "nb_NO" not null); That doesn't look like an ICU locale. You may mean "nb-NO-x-icu". But otherwise, yes. > Will ICU be used here as long as PG is compiled with ICU-suppoert, as the debian-packages are, or do I have to specify collation-provider? If you did initdb with a version with ICU support, the ICU collations should be there. > Do I have to explicitly specify collation when using ORDER by on that column for index and abbreviated keys to be used? Only if you didn't define the column with a per-column collation initially. -- Peter Geoghegan -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general