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1. What is Hibernate?

2. Hibernate Architecture

3. Writing First Hibernate Code

4. Understanding Hibernate O/R Mapping

5. Understanding Hibernate <generator> element

6. Using Hibernate <generator> to generate id incrementally

7. Hibernate Query Language

8. Preparing table for HQL Examples

9. Writing ORM for Insurance table

10. HQL from clause Example

11. Hibernate Select Clause

12. HQL Where Clause Example

13. HQL Group By Clause Example

14. HQL Order By Example

15. Hibernate Criteria Query Example

16. Criteria Query Examples

17. Hibernate Native SQL Example

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:

import org.hibernate.Session;
import org.hibernate.*;
import org.hibernate.cfg.*;
import java.util.*;

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 = (Insuranceit.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

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: 5

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: Dental Insurance

ID: 11

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: Home Insurance

ID: 12

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: Home Insurance

ID: 2

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: Life Insurance

ID: 3

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: Life Insurance

ID: 6

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: Life Insurance

ID: 9

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: Medical Insurance

ID: 10

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: Medical Insurance

ID: 13

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: Motorcycle Insurance

ID: 14

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: Motorcycle Insurance

ID: 7

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: Travel Insurance

ID: 8

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: Travel Insurance




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