37.38. role_usage_grants
  The view
  
   role_usage_grants
  
  identifies
  
   USAGE
  
  privileges granted on various kinds of
   objects where the grantor or grantee is a currently enabled role.
   Further information can be found under
  
   usage_privileges
  
  .  The only effective difference
   between this view and
  
   usage_privileges
  
  is that
   this view omits objects that have been made accessible to the
   current user by way of a grant to
  
   PUBLIC
  
  .
 
   
    Table 37.36. 
    
     role_usage_grants
    
    Columns
   
  
| Name | Data Type | Description | 
|---|---|---|
| 
        grantor
        | 
        sql_identifier
        | The name of the role that granted the privilege | 
| 
        grantee
        | 
        sql_identifier
        | The name of the role that the privilege was granted to | 
| 
        object_catalog
        | 
        sql_identifier
        | Name of the database containing the object (always the current database) | 
| 
        object_schema
        | 
        sql_identifier
        | Name of the schema containing the object, if applicable, else an empty string | 
| 
        object_name
        | 
        sql_identifier
        | Name of the object | 
| 
        object_type
        | 
        character_data
        | 
        COLLATION
       or
        DOMAIN
       or
        FOREIGN DATA WRAPPER
       or
        FOREIGN SERVER
       or
        SEQUENCE
        | 
| 
        privilege_type
        | 
        character_data
        | Always 
        USAGE
        | 
| 
        is_grantable
        | 
        yes_or_no
        | 
        YES
       if the privilege is grantable,
        NO
       if not |