class DropMongoIds < ActiveRecord::Migration def self.up remove_column :aspects, :mongo_id remove_column :aspects, :user_mongo_id remove_column :comments, :mongo_id remove_column :contacts, :mongo_id remove_column :invitations, :mongo_id remove_column :people, :mongo_id remove_column :posts, :mongo_id remove_column :profiles, :mongo_id remove_column :services, :mongo_id remove_column :services, :user_mongo_id remove_column :users, :mongo_id end def self.down add_column :users, :mongo_id add_column :services, :user_mongo_id add_column :services, :mongo_id add_column :profiles, :mongo_id add_column :posts, :mongo_id add_column :people, :mongo_id add_column :invitations, :mongo_id add_column :contacts, :mongo_id add_column :comments, :mongo_id add_column :aspects, :user_mongo_id add_column :aspects, :mongo_id end end