insert into sales_order(pid,qty,prices,amount,saledate,invoice)
            values(10,50,
            50,2500,
            '27','m_2018112712375217');
            insert into sales(invoice_number,date,amount,cus_id,user_id) values('m_2018112712375217','Thu Dec 27 12:48:51 GMT 05:00 2018',2500,24,0)