Shameless plug: here is a gem I wrote to manage foreign keys and CHECK constraints (and also indexes) in a Rails project: https://github.com/pjungwir/db_leftov

Shameless plug: here is a gem I wrote to manage foreign keys and CHECK constraints (and also indexes) in a Rails project: https://github.com/pjungwir/db_leftovers https://github.com/pjungwir/db_leftovers