id, businessId, `name`, code, filePath, validDate, expireDate, checkStatus, checkComment, `status`, remark, `createUser`, createTime, updateUser, updateTime SELECT a.id,c.name,c.isNeed,ifnull(a.businessId,#{registerId}) businessId,a.companyId,a.code,a.filePath,a.validDate,a.expireDate,a.checkStatus,a.checkTime,a.checkComment,a.status,a.remark FROM user_cert_set c LEFT JOIN (SELECT * from user_cert WHERE businessId=#{registerId}) a ON c.name = a.name -- select * from sup_cert select * from user_cert and businessId = #{businessId} and customerId = #{customerId} and businessId = #{businessId} and manufacturerIdFk = #{manufacturerIdFk} and productIdFk = #{productIdFk} and `type` = #{type} and auditStatus = #{auditStatus} and (auditStatus = 1 or auditStatus=4) and (auditStatus = 2 or auditStatus=3 or auditStatus=5 or auditStatus=6) and (auditStatus !=0) ORDER BY id DESC -- select * from user_cert SELECT uc.* FROM user_cert uc LEFT JOIN user_register ur ON uc.businessId = ur.companyId and ur.mobile = #{mobile} ORDER BY id DESC