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【DM版本】:8
【操作系统】：麒麟v10
【CPU】:kunpeng-920
【问题描述】*：查询数据库报错

Object { code: "500", data: null, message: "\n### Error querying database. Cause: dm.jdbc.driver.DMException: Error in line: 3\nInvalid table or view name [U_USER]\n### The error may exist in com/chinaunicom/standard/product/ucenter/provider/dao/mapper/UUserMapper.java (best guess)\n### The error may involve com.chinaunicom.standard.product.ucenter.provider.dao.mapper.UUserMapper.selectOne\n### The error occurred while executing a query\n### SQL: SELECT user_id,user_name,user_type,enterprise_type,mobile,email,password,dept_id,position_id,is_enable,remark,is_locked,secret_key,creater_id,create_time,updater_id,update_time,delete_flag,tenant_id,business_name,business_number,credit_code FROM u_user WHERE (user_name = ? AND delete_flag = ?)\n### Cause: dm.jdbc.driver.DMException: Error in line: 3\nInvalid table or view name [U_USER]\n; Error in line: 3\nInvalid table or view name [U_USER]; nested exception is dm.jdbc.driver.DMException: Error in line: 3\nInvalid table or view name [U_USER]"