Re: Adding new collations after pg_upgrade?

rihad <rihad@mail.ru> writes:
> Hi. on a freshly installed 10.6 I can see all ICU collations added in 
> pg_collation schema. Is there a way to have them for an existing 
> database cluster?

There's a function called something like pg_import_system_collations.
See documentation.

            regards, tom lane