📄 hqlgroupbyexample.java
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package roseindia.tutorial.hibernate;
import org.hibernate.Session;
import org.hibernate.*;
import org.hibernate.cfg.*;
import java.util.*;
/**
* @author Deepak Kumar
*
* http://www.roseindia.net HQL Group by Clause Example
*
*/
public class HQLGroupByExample {
public static void main(String[] args) {
Session session = null;
try {
// This step will read hibernate.cfg.xml and prepare hibernate for
// use
SessionFactory sessionFactory = new Configuration().configure()
.buildSessionFactory();
session = sessionFactory.openSession();
//Group By Clause Example
String SQL_QUERY = "select sum(insurance.investementAmount),insurance.insuranceName "
+ "from Insurance insurance group by insurance.insuranceName";
Query query = session.createQuery(SQL_QUERY);
for (Iterator it = query.iterate(); it.hasNext();) {
Object[] row = (Object[]) it.next();
System.out.println("Invested Amount: " + row[0]);
System.out.println("Insurance Name: " + row[1]);
}
session.close();
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
}
}
}
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