Hibernate从返回多列的查询中仅获取column1

Question

I have a query of this nature

String query = select column1, group by column2 from table1 ...
//What should I write to just get column1 from the query.       
getSession().createQuery(query).list(); 

How do I get just columne1 list from the query.

Answer 1

With hibernate HQL/JPQL queries you don't get get columns. You get objects and their properties. So:

String query = "SELECT yourEntity.property1 FROM yourEntity .....";

Then the list() will return a List<Foo> , where Foo is the type of property1