On 17.02.23 21:43, Jeff Davis wrote:
>> select row_number() over (order by nazev collate "cs-x-icu"), nazev
>> from obce
>> except select row_number() over (order by nazev collate "cs_CZ"),
>> nazev from obce;
>>
>> returns a not empty set. So minimally for Czech collate, an index
>> rebuild is necessary
> Yes, that's true of any locale change, provider change, or even
> provider version change.
I'm confused. We are not going to try to change existing databases to a
different collation provider during pg_upgrade, are we?
