Here, we will introduce you to about the sum() function . It returns the sum of total value of column.
Syntax :
Criteria criteria=session.createCriteria(Pojo.class); criteria.setProjection(Projections.sum(propertyName));
LazyLoading.javaADS_TO_REPLACE_1
package net.roseindia.action; import java.util.List; import net.roseindia.bean.StudentBean; import net.roseindia.util.HibernateUtil; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.criterion.Projections; public class CriteiaSort { public static void main(String[] args) { Session session = HibernateUtil.getSessionFactory().openSession(); Criteria criteria = session.createCriteria(StudentBean.class); criteria.setProjection(Projections.sum("fee")); List totalFee = criteria.list(); System.out.println("Total of fee columm : " + totalFee); } }When you run this application it will display message as shown below:
Hibernate: select sum(this_.fee) as y0_ from studentinfo this_ Total of fee columm : [5000] |
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