I have the following code:
[code]
AnnotationSessionFactoryBean sf = (AnnotationSessionFactoryBean)this.applicationContext.getBean("&txSessionFactory");
Properties properties = sf.getHibernateProperties();
Session session = getTxSessionFactory().openSession();
Dialect dialect = Dialect.getDialect(properties);
Connection connection = session.connection();
DatabaseMetadata meta = new DatabaseMetadata(connection, dialect);
Configuration config = sf.getConfiguration();
String[] creationScript = config.generateSchemaCreationScript(dialect);
String[] updateScript = config.generateSchemaUpdateScript(dialect,meta);
[/code]
I have the session factory configured (and working) in Spring so I'm confident about that part. I'm pulling the configuration info from the session factory so I end up with a Hibernate configuration.
From there I call generateSchemaCreation which works just fine. I get a load of DDL strings in the creationScript.

But when I call generateSchemaUpdateScript I get nothing. Okay, maybe I have an up to date schema? Well I compared the creationScript with the database I am pointing to and the creationScript has the extra tables and fields I was hoping to see in the updateScript, but they are not present on the database.

Note that I just want the script. I don't want it to update the schema directly. No errors are showing and I was earlier getting an error saying I needed a db connection, so I guess is is connecting now, it isn't saying it fails to connect anyway. The config has a mix of hbm and annotations (older tables are hbm). They all showed in the creationScript.

Hibernate v 3.3.1 GA

My properties file looks like this:
[code]
hibernate.connection.isolation=REPEATABLE_READ
hibernate.connection.pool_size=20
hibernate.hbm2ddl.auto=none
hibernate.dialect=org.hibernate.dialect.OracleDialect
hibernate.show_sql=false
hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider
hibernate.cache.use_second_level_cache=false
hibernate.cache.use_query_cache=false
hibernate.cache.use_minimal_puts=false
hibernate.max_fetch_depth=3
[/code]

Database is Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production

Thanks for any help.