assertNotNull(classMeta);
PersistKeyBinding binding = new PersistKeyBinding
(catalog, ComparableKey.class.getName(), false);
PersistComparator comparator = new PersistComparator
(ComparableKey.class.getName(),
classMeta.getCompositeKeyFields(),
binding);
compareKeys(comparator, binding, new ComparableKey(1, 1),