JPA中JQL实现删除操作必须用主键？

Question

DELETE FROM Table z WHERE z.name = :name这样就可以了，呵呵。

Answer 1

报这个错，老大，快帮忙
Caused by: javax.persistence.TransactionRequiredException: Executing an update/delete query
at org.hibernate.ejb.QueryImpl.executeUpdate(QueryImpl.java:46)
at com.ericsson.dcp.dao.impl.BatchJobDAOImpl.deleteByJobName(BatchJobDAOImpl.java:30)
at com.ericsson.dcp.dao.impl.BatchJobDAOImpl$$FastClassByCGLIB$$974aec95.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:688)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.aspectj.AspectJAfterThrowingAdvice.invoke(AspectJAfterThrowingAdvice.java:55)

Answer 2

这个已经不是 JPA 的问题了，而是你事务配置的问题

Answer 3

你好 jpa的批量删除怎么弄啊 急  求回复

Answer 4

           public void delete(Serializable ... entityids) {
for(Object id : entityids){
em.remove(em.getReference(this.entityClass, id));
}
}