Initial commit

db/migrate/20190108115333_add_referral_id_to_users_table.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# Add new field due to referral - affiliate relation
+class AddReferralIdToUsersTable < ActiveRecord::Migration[5.2]
+  def change
+    add_column :users, :referral_id, :bigint, after: :state
+  end
+end