# frozen_string_literal: true ActiveRecord::Base.connection.create_table(:books, force: true) do |t| t.string :title t.string :body t.integer :user_id t.decimal :discount_percentage, precision: 5, scale: 2 t.integer :images_count, default: 0 t.date :publish_date end class Book < ActiveRecord::Base second_level_cache belongs_to :user, counter_cache: true has_many :images, as: :imagable end