数据库连接出错:SELECT B.*,A.*,C.title AS companyname FROM qb_shop_content A LEFT JOIN qb_shop_content_1 B ON A.id=B.id LEFT JOIN qb_hy_company C ON A.uid=C.uid WHERE A.yz='1' AND A.city_id IN ('2',0) ORDER BY A.hits DESC LIMIT 0,6
Unknown column 'A.city_id' in 'where clause'
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