Hibernate criteria projection distinct

问题

Hi i want to write a query using criteria : The following query has to be created using criteria:

"Select Distinct(s2Taxper) from S2 where s2Tc='601' AND s2Txcd!=''"

thanks in advance

回答1:

Criteria criteria = 
    session.createCriteria(S2.class)
           .add(Restrictions.eq("s2Tc","601"))
           .add(Restrictions.ne("s2Txcd",""))
           .setProjection(Projections.distinct(Projections.property("s2Taxper")));

来源：https://stackoverflow.com/questions/12032748/hibernate-criteria-projection-distinct