当我执行下面的代码时,出现了异常:
Exception: org.springframework.orm.hibernate3.HibernateQueryException:
Not all named parameters have been set
这是我的代码:
queryString = SET @quot=0,@latest=0,@comp='';
select B.* from (
select A.time,A.change,IF(@comp<>A.company,1,0) as LATEST,@comp:=A.company as company from (
select time,company,quote-@quot as `change`, @quot:=quote curr_quote
from stocks order by company,time) A
order by company,time desc) B where B.LATEST=1;
list = getHibernateTemplate().executeFind(new HibernateCallback(){
public Object doInHibernate(Session session)throws HibernateException,SQLException {
SQLQuery query = session.createSQLQuery(queryString);
query.setParameterList("list", custIds);
return query.list();
}
这种行为的原因是什么?
最佳答案
有点难以理解,您正在执行的查询到底是什么,但是如果您需要在 native 查询中使用冒号字符,在您的情况下作为“赋值”运算符,您应该转义所有冒号\\
在你的 java String 中出现,所以它可能是这样的:
select B.* from (
select A.time,A.change,IF(@comp<>A.company,1,0) as LATEST,@comp\\:=A.company as company from (
select time,company,quote-@quot as `change`, @quot\\:=quote curr_quote
from stocks order by company,time) A
order by company,time desc) B where B.LATEST=1;
更新: 看来,在 Hibernate 原生查询中还不可能转义冒号,有一个 open issue关于它。这意味着,您不能在 Hibernate native 查询中使用冒号而不是命名参数。您可以尝试创建一个函数并调用它而不是调用查询。
关于java - Hibernate遇到mysql异常:= operator,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33146012/