Changing bike_status to bike_purporse

db/migrate/20130902164600_bike_status_to_purpose.rb

@@ -0,0 +1,7 @@
+class BikeStatusToPurpose < ActiveRecord::Migration
+  def change
+    rename_column :bikes, :bike_status_id, :bike_purpose_id
+    rename_column :bike_statuses, :status, :purpose
+    rename_table :bike_statuses, :bike_purposes
+  end
+end