我已经重写了这个问题来说明问题。休眠当前日期不起作用
我有一个这样的实体:
@Entity
@NamedQueries({
@NamedQuery(
name = "myObj.findCurrentUsingFunction",
query = "from MyObj where insertDate = current_date() "),
@NamedQuery(
name = "myObj.findCurrentUsingParameter",
query = "from MyObj where insertDate = :currentDate")
})
public class MyObj {
@Id @GeneratedValue @Column
private Long id;
@Column @Temporal(TemporalType.DATE)
private Date insertDate;
/* getter, setter */
}
我有一个失败的测试:
@Test
public void findCurrentUsingFunction() throws Exception {
final MyObj myObj = new MyObj();
myObj.setInsertDate(new Date());
final Session session = dao.getSessionFactory().getCurrentSession();
session.saveOrUpdate(myObj);
final Query namedQuery =
session.getNamedQuery("myObj.findCurrentUsingFunction");
final List results = namedQuery.list();
Assert.assertEquals("size",1L, (long) results.size());
}
Hibernate: select hibernate_sequence.nextval from dual Hibernate: insert into MyObj (insertDate, id) values (?, ?) Hibernate: select myobj0_.id as id0_, myobj0_.insertDate as insertDate0_ from MyObj myobj0_ where myobj0_.insertDate=current_date
java.lang.AssertionError: size expected:<1> but was:<0>
和通过的测试
@Test
public void findCurrentUsingParameter() throws Exception {
final MyObj myObj = new MyObj();
myObj.setInsertDate(new Date());
final Session currentSession = dao.getSessionFactory().getCurrentSession();
currentSession.saveOrUpdate(myObj);
final Query namedQuery =
currentSession.getNamedQuery("myObj.findCurrentUsingParameter");
namedQuery.setDate("currentDate", new Date());
final List results = namedQuery.list();
Assert.assertEquals("size",1L, (long) results.size());
}
的话是:
hibernate.dialect=org.hibernate.dialect.Oracle10gDialect
您的超链接已损坏。什么不行?异常,堆栈跟踪?不是你期待的结果?什么是insertDate的映射?数据库中的列类型是什么?它在数据库中的价值是什么? –
可能的重复[如何在HQL查询中使用当前日期与Oracle数据库?](http://stackoverflow.com/questions/513317/how-do-i-use-the-current-date-in -an-hql-query-with-an-oracle-database)(看看[接受的答案](http://stackoverflow.com/questions/513317/how-do-i-use-the-current- date-in-hql-query-with-an-oracle-database/513367#513367)) –
@JB链接没有中断。 –