Re: BUG #17220: ALTER INDEX ALTER COLUMN SET (..) with an optionless opclass makes index and table unusable - Mailing list pgsql-bugs

On 10/11/21 5:25 PM, PG Bug reporting form wrote:
> 
> User 'musttu' on IRC reported the following bug: After running "ALTER INDEX
> some_idx ALTER COLUMN expr SET (n_distinct=100)", the index and table become
> unusable. All further statements involving the table result in: "ERROR: 
> operator class text_ops has no options".
> 
> They reported this on the RDS version of 13.3, but I've been able to
> reproduce this on Debian with 13.4 and 14.0. It does not reproduce on 12.8,
> all statements succeed on that version.

This was broken by 911e702077 (Implement operator class parameters).
-- 
Vik Fearing