# frozen_string_literal:true class CreateNotifications < ActiveRecord::Migration[4.2] def change create_table :notifications do |t| t.integer :receiver_id t.references :attached_object, polymorphic: true t.integer :notification_type_id t.boolean :is_read, default: false t.timestamps end add_index :notifications, :receiver_id add_index :notifications, :notification_type_id end end