don't add self as constraint, needed for self-associations. Also convert to string foreign keys before comparing, by default are strings but can be defined as symbols
don't add self as constraint, needed for self-associations. Also convert to string foreign keys before comparing, by default are strings but can be defined as symbols

asoltys/active_scaffold,BookingBug/active_scaffold,silverpond/active_scaffold,asoltys/active_scaffold,BookingBug/active_scaffold,silverpond/active_scaffold,BookingBug/active_scaffold,silverpond/active_scaffold