我有以下查询工作正常,但然后我不得不将它转换为hibernate投影性能问题。通过hibernate投影创建报表时HQL查询的错误
NamedQuery = " SELECT o FROM OrderJob o "
转化为: -
String hqlQuery = "select "
+ "new JobAuditListVO(o.jobDate, o.jobType, customer.name, job.street, payment.description, p.paid,o.invoice) "
+ " from OrderJob o "
+ " join o.order ordr "
+ " join ordr.customer customer "
+ " join o.jobAddress job "
+ " join o.payment p"
+ " join p.paymentReceivedMethod payment";
getEntityManager().createQuery(hqlQuery).getResultList();
但是列表被返回0的结果。名称查询返回2结果。
如果您可以根据需要包含OrderJob(可能包括JobAuditListVO和Customer)的结构以检查查询是否应该实际上是句法上等效的,那么这将非常有帮助... – Vogel612 2014-09-10 13:01:03