This migration could not be run with a fresh database because it was
relying on the “Curiosity” rover to exist in the database.
It was also relying on the existence of a Rover class, which has now
been defined at the top of the migration to ensure that even if this
class is renamed/moved etc., this migration will still work.
This migration could not be run with a fresh database because it was relying on the “Curiosity” rover to exist in the database.
It was also relying on the existence of a
Rover
class, which has now been defined at the top of the migration to ensure that even if this class is renamed/moved etc., this migration will still work.