On Mon, 2023-02-20 at 15:55 +0100, Peter Eisentraut wrote: > I'm confused. We are not going to try to change existing databases > to a > different collation provider during pg_upgrade, are we?
No, certainly not. I interpreted Pavel's comments as a comparison of ICU and libc in general and not specific to this patch. Changing providers obviously requires an index rebuild to be safe. -- Jeff Davis PostgreSQL Contributor Team - AWS
