Hibernate 对数据库操作(菜鸟问题)
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
String hqlUpdate = "update Customer set name = :newName where name = :oldName";
int updatedEntities = s.createQuery( hqlUpdate )
.setString( "newName", newName )
.setString( "oldName", oldName )
.executeUpdate();
tx.commit();
session.close();
请问 updatedEntities = s.createQuery( hqlUpdate ) 中 s 是哪来的啊