Class<?>[] types = schema.getObjectTypes();
DbConnection con = pool.getConnection();
cIndex.clear();
nameMapping = new HashMap<String, Object>();
nameMappingRO = Collections.unmodifiableMap(nameMapping);
caoBundle = new MetadataBundle(NoneDriver.getInstance());
// schema info
if (schema.hasPersistentInfo()) {
addClass(schema.getSchemaName(),schema.getClass().getCanonicalName(),Property.class,con);
schemaPersistence = new DbProperties(this, schema.getClass().getCanonicalName());