class CreateResults < ActiveRecord::Migration[4.2] def change create_table :results do |t| t.string :name t.integer :my_module_id, null: false t.integer :user_id, null: false t.timestamps null: false end add_foreign_key :results, :users add_foreign_key :results, :my_modules add_index :results, :my_module_id add_index :results, :user_id add_index :results, :created_at end end