Could someone explain how I could do the following:

#None of these tables have foreign keys defined in the database
entity = Table('entity',meta,autoload=True)
user = Table('user',meta,autoload=True)

class Entity(object):
    pass

class User(Entity):
    pass

m_entity = mapper(Entity,entity)

#this raises an exception because there are no foreign keys defined
between entity and user
m_user = mapper(User,user,inherits=m_entity)

Is there a way I can still use autoload (these tables have a lot of
columns and they change somewhat frequently) and explicitly add a
foreign key relationship between the two and allow for inheritance?

Thanks in advance


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