Marcello Verona <marcelloverona(at)tiscali(dot)it> writes:
> I've a problem with the GRANT on information_schema and view
> "key_column_usage".
> Only a superuser is granted to see the record of this view (and other
> views about index... see table_constraint)
> What kind of permission is necessary for a simple user?
It will only show you rows about tables that you own or have some access
privilege for.
regards, tom lane