named query is added
 is retained as part of the named query definition.
 This includes configuration information such as max results,
 hints, flush mode, lock mode, result set 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 