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*NEWS
-- Bug
--- [HHH-516] - Interceptor.onFlushDirty() sometimes not called
--- [HHH-517] - getDatabaseMajorVersion() not available in JDK 1.3
--- [HHH-518] - SQL parser does not recognize all whitespace
--- [HHH-519] - broken SQL when traversing many-to-many to joined <subselect>
--- [HHH-529] - Bug in merge()
-- New Feature
--- added <natural-id> mapping
--- [HHH-533] - allow unique-key on <property> and <many-to-one>
--- [HHH-534] - efficient cache by natural key
--- support for <comment> on MySQL
-- Improvement
--- [HHH-526] - log "Aggressively releasing JDBC Connection" as DEBUG instead of INFO
--- various logging improvements
-- Bug
--- [HHH-452] - UnsavedValueFactory.instantiate does not wrap the Exception it catches
--- [HHH-456] - Session still holds references to entities after close()
--- [HHH-457] - Log info for structured second-level cache entries is incorrect
--- [HHH-466] - Made default for MS SQL dialect definition more flexible
--- [HHH-473] - Formula can't contain SQL cast keyword
--- [HHH-484] - Order-by not applied to collections fetched by OuterJoinLoader
--- [HHH-487] - Possible empty union in UnionSubclassEntityPersister
--- [HHH-505] - Possible NullPointerException in BigIntegerType
--- [HHH-507] - Cached List does not show additions
--- Fixed bugs in subselect fetching
-- New Feature
--- [HHH-455] - Obtain non-intercepted Session by passing an EmptyInterceptor
--- [HHH-467] - HQL: support for case when then else end IN select clause
--- [HHH-485] - Support multiple collection join fetches (attention: Cartesian product) in native SQL queries
--- Added SessionStatistics metric interface
--- Added support for table and column level <comment> blocks
--- Added Simplified Chinese translation of reference documentation (Xiaogang Cao)
-- Improvement
--- Any query may now join fetch >1 collection role (attention: Cartesian product)
--- [HHH-454] - Add 2292 integrityViolationCode to Oracle9Dialect
--- [HHH-503] - Implemented ViolatedConstraintNameExtracter for HSQLDialect (Frank Grimes)
DB2,FrontBase,HSQLDB,informix,interbase,MS SQL server,MySQL, Oracle,Pointbase,PostgreSQL,Sybase etc.
-[[Working with Hibernate in Eclipse:http://www.onjava.com/pub/a/onjava/2004/06/23/hibernate.html]]
package test;
import java.util.List;
import java.util.Properties;
import net.sf.hibernate.Hibernate;
import net.sf.hibernate.HibernateException;
import net.sf.hibernate.Session;
import net.sf.hibernate.Transaction;
import net.sf.hibernate.cfg.Configuration;
import net.sf.hibernate.expression.Expression;
public class SampleMain {
public static void main(String[] args) {
Configuration cfg = null;
Session session = null;
Transaction transaction = null;
Properties props = new Properties();
try {
cfg = new Configuration().addClass(Person.class).addProperties(props);
session = cfg.buildSessionFactory().openSession();
//session.setFlushMode(FlushMode.COMMIT);
transaction = session.beginTransaction();
Person person = new Person();
Long id = (Long) session.save(person);
Person load = (Person) session.load(Person.class, id);
System.out.println(load);
session.update(person);
List list = session.find("from Person where id=?", id, Hibernate.LONG);
System.out.println(list);
List list2 =
session.createCriteria(Person.class).add(Expression.eq("id", id)).list();
System.out.println(list2);
session.delete(person);
list = session.find("from Person");
System.out.println(list);
transaction.commit();
} catch (Exception e) {
try {
if (transaction != null)
transaction.rollback();
} catch (Exception e1) {
e1.printStackTrace();
}
e.printStackTrace();
} finally {
try {
if (session != null && session.isOpen())
session.close();
} catch (HibernateException e1) {
e1.printStackTrace();
}
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">
<hibernate-mapping>
<class name="test.Person" table="PERSON">
<id name="id" column="ID" type="long">
<generator class="native"/>
</id>
<property name="name" column="NAME" type="string" length="20" not-null="true"/>
</class>
</hibernate-mapping>
Person load = (Person) session.load(Person.class, id, LockMode.UPGRADE);
List list2 = session.createCriteria(Person.class)
.add(Expression.eq("id", id))
.setLockMode(LockMode.UPGRADE)
.list();
~
#amazonkey2(JAVA DB)
Modified by MT22(Moriwaki Takashi)
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