休眠命名查询

Question

我正在尝试在两个日期之间获取一组结果 使用HQL

@NamedQuery( 
           name = "getAppointmentsByDateWeek",
           query = "select a from Appointment a where a.appointmentDate BETWEEN :date1 AND :date2 "
           ),

但是命名参数不起作用，我不确定如何正确设置