package com.gordon.test;import java.util.List;import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.Test;import com.gordon.domain.Publisher;
import com.gordon.utils.HibernateUtil;/*** 子查询* * @author Administrator*/
public class TestDemo6 {/*** 子查询* 查询结果：Hibernate: selectpublisher0_.id as id1_1_,publisher0_.name as name2_1_ fromt_publisher publisher0_ where(selectcount(*) fromt_book books1_ wherepublisher0_.id=books1_.publisher_id)>1Hibernate: selectbooks0_.publisher_id as publishe4_0_0_,books0_.id as id1_0_0_,books0_.id as id1_0_1_,books0_.name as name2_0_1_,books0_.price as price3_0_1_,books0_.publisher_id as publishe4_0_1_ fromt_book books0_ wherebooks0_.publisher_id=?电子工业出版社3Hibernate: selectbooks0_.publisher_id as publishe4_0_0_,books0_.id as id1_0_0_,books0_.id as id1_0_1_,books0_.name as name2_0_1_,books0_.price as price3_0_1_,books0_.publisher_id as publishe4_0_1_ fromt_book books0_ wherebooks0_.publisher_id=?北京大学出版社2Hibernate: selectbooks0_.publisher_id as publishe4_0_0_,books0_.id as id1_0_0_,books0_.id as id1_0_1_,books0_.name as name2_0_1_,books0_.price as price3_0_1_,books0_.publisher_id as publishe4_0_1_ fromt_book books0_ wherebooks0_.publisher_id=?人民邮电出版社2*/@Testpublic void run1() {Session session = HibernateUtil.getCurrentSession();Transaction transaction = session.beginTransaction();String hql = "from Publisher p where (select count(*) from p.books) > 1";List<Publisher> list = session.createQuery(hql).list();for (Publisher publisher : list) {System.out.println(publisher.getName() + publisher.getBooks().size());}transaction.commit();}
}