class Object

Public Class Methods

down() click to toggle source
# File lib/generators/active_record/templates/migration_existing.rb, line 21
def self.down
  # By default, we don't want to make any assumption about how to roll back a migration when your
  # model already existed. Please edit below which fields you would like to remove in this migration.
  raise ActiveRecord::IrreversibleMigration
end