*/
public UpgradeState createState()
{
RelationalSchema schema = (RelationalSchema)m_dataSource.getSchema();
return new RelationalSchemaUpgradeState((RelationalSchema)schema.clone(), schema, getUpgrade());
}
/**
* @see nexj.core.meta.upgrade.VersionUpgrade#apply(nexj.core.meta.upgrade.UpgradeState)
*/