+ (select group_concat(distinct p.name) from product p left join cm_order_product cop on p.productID = cop.productID where cop.orderID = so.orderID group by cop.orderID) as productNames,
IF(u.userIdentity = 2,u.name,u.userName) AS userName,
IF(u.userIdentity = 2,u.name,u.userName) AS userName,