# File lib/data_mapper/constraints/migrations/model.rb, line 21 def auto_migrate_constraints_down(repository_name = self.repository_name) return unless storage_exists?(repository_name) # TODO: this check should not be here return if self.respond_to?(:is_remixable?) && self.is_remixable? relationships(repository_name).each do |relationship| relationship.auto_migrate_constraints_down(repository_name) end end