如何使用标准查询从表中选择多个列。
Select testid,marks from user where id='uid' and name='uname'; 我只能得到,但除了,我还需要标记,任何人也可以修改下面的查询,以获得和标记。
Session ses = sessionFactory.getCurentSession();
Criteria c = ses.createCriteria(user.class);
c.add(Restrictions.eq("id", uid));
c.add(Restrictions.eq("name", uname));
c.setProjection(Pojections.distinct(Projections.property("testid")));发布于 2014-02-27 11:15:30
你可以尝试给你的ProjectionList给你的Projections.distinct
Session ses = sessionFactory.getCurentSession();
Criteria c = ses.createCriteria(user.class);
c.add(Restrictions.eq("id", uid));
c.add(Restrictions.eq("name", uname));
ProjectionList pl = Projections.projectionList();
pl.add(Projections.property("testid"));
pl.add(Projections.property("marks"));
c.setProjection(Projections.distinct(pl));https://stackoverflow.com/questions/22066300
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