diff --git a/db/migrate/20180306044939_create_receipts.rb b/db/migrate/20180306044939_create_receipts.rb
index 22f3b0fa..13c7ccfe 100644
--- a/db/migrate/20180306044939_create_receipts.rb
+++ b/db/migrate/20180306044939_create_receipts.rb
@@ -5,10 +5,13 @@ class CreateReceipts < ActiveRecord::Migration[5.1]
       t.string  :client_name, :null => false
       t.string  :shop_code, :limit => 16, :null => false
       t.string  :shop_name, :null => false
-      t.integer :receipt_no, :limit => 8, :null => false
+      t.string :receipt_no, :null => false
       t.datetime  :transaction_time, :null => false
       t.datetime  :receipt_open_time, :null => false
       t.datetime  :receipt_close_time, :null => false
+      t.string    :shift_id, :null => false
+      t.datetime  :shift_open_time, :null => false
+      t.datetime  :shift_close_time, :null => false
       t.decimal :gross_sales, :null => false, :default => 0
       t.decimal :discount_amount, :null => false, :default => 0
       t.decimal :sales, :null => false, :default => 0