hibernate - 以下 HQL 的标准表示

Question

我有下面的 HQL 为你下面的 sql ..

SQL ....

SELECT * FROM POS_took WHERE DELETEDDATE IS NOT NULL 

它对应的HQL是......

session.createQuery("from postook where deleted is not null")

而java实体类是......

class postook
{

//all the properties defined here 

private DateTime deleted;

//and it corresponding setters and getters is defined.

现在请告知上述 HQL 的等效标准表示

Answer 1

Criteria criteria = getSession().createCriteria(postook.class);
criteria.add(Restrictions.isNotNull("deleted"));

查看更多详细信息http://docs.jboss.org/hibernate/orm/4.2/devguide/en-US/html/ch12.html