On Wed, Jul 24, 2024 at 1:45 PM Jeff Davis <pg...@j-davis.com> wrote: > There's a qualitative difference between a collation update which can > break your PKs and FKs, and a ctype update which definitely will not.
I don't think that's true. All you need is a unique index on UPPER(somecol). -- Robert Haas EDB: http://www.enterprisedb.com
