C</code> is not specified, <code>ASC</code>
 (ascending order) is assumed.

 <p>If the ordering element is not specified for an entity association,
 ordering by the primary key of the associated entity is assumed.

 <p>The property or field name must correspond to that of a persistent
 property or field of the associated class or embedded class within it.
 The properties or fields used in the ordering must correspond to columns
 for which comparison operators are supported.

 <p>The dot (<code>.</code>) not