administrable_role_authorizations
   The view administrable_role_authorizations
   identifies all roles that the current user has the admin option
   for.
  
Table 35.2. administrable_role_authorizations Columns
Column Type Description  | 
|---|
        Name of the role to which this role membership was granted (can be the current user, or a different role in case of nested role memberships)  | 
        Name of a role  | 
        
       Always   |