class CreateFeedbacks < ActiveRecord::Migration[4.2] def change create_table :feedbacks do |t| t.references :feedback_receiving, index: {name: :feedbacks_polymorphic_index}, polymorphic: true, null: false t.string :author_email t.integer :rating, null: false t.text :comment, null: false t.string :ip_address t.string :session_id, index: true t.timestamps null: false end end end