多行（结果集）拼接字符串 (多行变一行)
SQL Server版：[code="sql"]select stuff( ( select ','+odr.ccontact from t_order odr join t_order_tour tot on tot.uteamid='A52D1FB4-64B2-4C04-AD6B-05BC4959BD21' and odr.uid=tot.uorderid ...
