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HQL Order By Example
Posted on: January 30, 2008 at 12:00 AM

Order by clause is used to retrieve the data from database in the sorted order by any property of returned class or components.

HQL Order By Example

Order by clause is used to retrieve the data from database in the sorted order by any property of returned class or components. HQL supports Order By Clause. In our example we will retrieve the data sorted on the insurance type. Here is the java example code:


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 Order by Clause Example
  *  
  */
 public class HQLOrderByExample {
   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();
   //Order By Example
   String SQL_QUERY = " from Insurance as 

insurance order by insurance.insuranceName";
   Query query = 

session.createQuery(SQL_QUERY);
   for (Iterator it 

= query.iterate(); it.hasNext();) {
   Insurance insurance = (Insurance) it.next();
   System.out.println("ID: " + insurance.

getLngInsuranceId());
   System.out.println("Name: " + 

insurance.getInsuranceName());
   }
   session.close();
   } catch (Exception e) {
   System.out.println(e.getMessage());
   } finally {
   }
   }
 }

To run the example select Run-> Run As -> Java Application from the menu bar. Following out is displayed in the Eclipse console:

Hibernate: select insurance0_.ID as col_0_0_ from insurance insurance0_ order by insurance0_.insurance_name

ID: 1

Hibernate: select insurance0_.ID as ID0_, insurance0_.insurance_name as insurance2_2_0_, insurance0_.invested_amount as invested3_2_0_, insurance0_.investement_date as investem4_2_0_ from insurance insurance0_ where insurance0_.ID=?

Name: Car Insurance

ID: 4

Name: Car Insurance

ID: 5

Name: Dental Insurance

ID: 11

Name: Home Insurance

ID: 12

Name: Home Insurance

ID: 2

Name: Life Insurance

ID: 3

Name: Life Insurance

ID: 6

Name: Life Insurance

ID: 9

Name: Medical Insurance

ID: 10

Name: Medical Insurance

ID: 13

Name: Motorcycle Insurance

ID: 14

Name: Motorcycle Insurance

ID: 7

Name: Travel Insurance

ID: 8

Name: Travel Insurance

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