Parent
ActiveRecord::Migration<%= migration_version %> def change create_table :invites do |t| t.string :email t.string :token t.integer :sender_id t.integer :recipient_id t.integer :invitable_id t.string :invitable_type t.timestamps t.index :email t.index :token t.index [:invitable_id, :invitable_type] t.index :recipient_id t.index :sender_id end end end