et mapping information,
 and information about stored procedure parameters.
 <p>When the query is executed, information that can be set
 by means of the query APIs can be overridden. Information
 that is overridden does not affect the named query as
 registered with the entity manager factory, and thus does
 not affect subsequent query objects created from it by
 means of the <code>createNamedQuery</code> or
 <code>createNamedStoredProcedureQuery</code> method.
 <p>If a named query of the same name has been