top 1 b.expiration_day, b.expiration_flag, b.exceed_in_ratio, b.expiration_warning_day,
isnull(a.batch_qualified_qty,0)-isnull((select sum(roll_qty) from po_order_roll_no where site=#{site} and bu_no=#{buNo} and inspection_no=#{orderNo} ),0) as remainingIssuableQty
SELECT
b.expiration_day,
ISNULL(b.expiration_flag ,'N') AS expiration_flag,