selectc.*,fn_getpy(c_name)||'@'||
(casewhennewoulike'%潮州%'then'cz.gd.csg.cn'when
newoulike'%东莞%'then'dg.gd.csg.cn'whennewoulike'%佛山%'then'fs.gd.csg.cn'when
newoulike'%河源%'then'hy.gd.csg.cn'whennewoulike'%惠州%'then'hz.gd.csg.cn'when
newoulike'%江门%'then'jm.gd.csg.cn'whennewoulike'%揭阳%'then'jy.gd