are rows in the created tables.
- `(relation_name)_local`, a relation to the row in the new table that
matches the current default language.
- - `(relation_name)_class`, the class created by this function.
+ - `(relation_name)_table`, the class created by this function.
Note that these are distinct relations. Even though the former necessarily
includes the latter, SQLAlchemy doesn't treat them as linked; loading one