Re: Fix doc about pg_get_multixact_stats()

On Fri, Jun 26, 2026 at 07:15:37AM +0800, Chao Li wrote:
> From the implementation, for unprivileged (not super user and not
> pg_read_all_stats role) users, pg_get_multixact_stats doesn't raise
> an error, but just returns all NULL values. The current statement
> doesn't seem to explain that behavior clearly.
> 
> How about rephrasing it like this?
> ```
>       
>         Only superusers and roles with privileges of the
>         pg_read_all_stats role can see details; other users
>         receive null values.
>       
> ```

Yeah, that looks like an improvement over the statu-quo.  I was
looking for something similar but we don't have many functions hidden
behind a role privilege.
--
Michael