# frozen_string_literal: true class CreateUserFirsts < ActiveRecord::Migration[4.2] def change create_table :user_firsts, force: true do |t| t.integer :user_id, null: false t.integer :first_type, null: false t.integer :post_id t.datetime :created_at, null: false end add_index :user_firsts, %i[user_id first_type], unique: true end end