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我们可以在标准中添加限制吗?我该如何编写休眠标准
对于HQL-1#
select activity from EmployeeActivity activity
join activity.activityStep as step
where
activity.currentStep = 1;
Criteria ctr = getSession().createCriteria(EmployeeActivity.class)
.createCriteria("activityStep")//Where activityStep is the another entity which is joined
.add(Restrictions.eq("currentStep", 1))
但我应该怎么写了下面的HQL查询?而且,最佳做法是什么?
select activity from EmployeeActivity activity
join activity.activityStep as step
where
activity.currentStep = step.stepNumber;
是'activityStep'引用或收藏?为什么currentStep数字不是对Step的引用? – Firo 2012-04-26 09:58:20
activityStep只是引用另一个表,这就是为什么使用简单的连接。上面的查询使用EMPLOYEE_ACTIVITY_ID简单地连接到两个EmployeeActivity&ActivityStep表。 – gviswanathan 2012-04-26 16:50:04