The record is not added into the table.

Question

Hi,
I am new to Hibernate.
I have contact.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="Contact" table="CONTACT">
<id name="id" type="string" column="ID" >
<generator class="assigned"/>
</id>
<property name="firstName">
<column name="FIRSTNAME" />
</property>
<property name="lastName">
<column name="LASTNAME"/>
</property>
<property name="email">
<column name="EMAIL"/>
</property>
</class>
</hibernate-mapping>
And I have hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">sun.jdbc.odbc.JdbcOdbcDriver</property>
<property name="hibernate.connection.url">jdbc:odbc:test</property>
<property name="hibernate.connection.username"></property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.pool_size">10</property>
<property name="show_sql">true</property>
<!-- <property name="dialect">org.hibernate.dialect.MySQLDialect</property> -->
<property name="dialect">com.hxtt.support.hibernate.HxttAccessDialect</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<!-- Mapping files -->
<mapping resource="contact.hbm.xml"/>
</session-factory>
</hibernate-configuration>
And my client program to add a record into the table is as follows..
File f=new File("..src/com/hibernateaction/chapter01/hello/hibernate.cfg.xml");
Configuration cfg = new Configuration().addFile(f);
Iterator itr=cfg.getClassMappings();
while(itr.hasNext())
     System.out.println("V="+itr.next());
SessionFactory sessionFactory = cfg.configure().buildSessionFactory();
session =sessionFactory.openSession();
System.out.println("Inserting Record");
Contact contact = new Contact();
contact.setId("3");
contact.setFirstName("Senniappan");
contact.setLastName("Gounder");
contact.setEmail("[email protected]");
session.save(contact);
System.out.println("Done");
session.flush();
session.close();
The output displayed as "Done" and "Hibernate: insert into CONTACT (FIRSTNAME, LASTNAME, EMAIL, ID) values (?, ?, ?, ?) ".
But there is no record is added into the DB.
Kindly help in this regards.

Answer 1

I used transaction.commit() it workd fine. Thanks Balu.
My query is, is it necessary to start a transaction to add a single row into the table? Could u brief about this implementation?