Hibernate本机SQL映射到实体的选择示例
我试图创建本机sql查询并映射到带有参数的实体类,但失败了Hibernate本机SQL映射到实体的选择示例,hibernate,native-sql,Hibernate,Native Sql,我试图创建本机sql查询并映射到带有参数的实体类,但失败了 /** * @return */ public List<PoolRuleMapping> getAllPRM() { Session session = null; List<PoolRuleMapping> prmList = null; try { session = HibernateSessionFac
/**
* @return
*/
public List<PoolRuleMapping> getAllPRM() {
Session session = null;
List<PoolRuleMapping> prmList = null;
try {
session = HibernateSessionFactory.getSession();
Query q = session.createSQLQuery("select * from pool_rule_mapping").addEntity(PoolRuleMapping.class);
prmList = q.list();
} catch (HibernateException e) {
} finally {
session.close();
}
return prmList;
}
请提供一个例子。谢谢 您可以尝试下面的代码
session.createSQLQuery("select * from pool_rule_mapping")
.addScalar("ID", Hibernate.LONG)
.addScalar("NAME", Hibernate.STRING)
.addScalar("SOMEDATE", Hibernate.DATE)
.addEntity(PoolRuleMapping.class);
此外,您还可以尝试为各个字段指定别名
select prm.id AS ID, prm.name AS NAME, prm.somedate as SOMEDATE from pool_rule_mapping prm
不,它没有按预期工作。session.CreateSqlQuerySelectprm.rule_id作为规则从池_rule_mapping prm中选择,其中prm.is_active=?;;c=q.AddEntityToolRuleMapping.class.setParameter0,1.list;它返回null@peterwkc您设置的参数索引错误。它从1开始,尝试设置参数1,1。