服务器未知运行时异常: 
### Error querying database.  Cause: java.sql.SQLSyntaxErrorException: FUNCTION e.rfid does not exist
### The error may exist in file [D:\workspace\casic-metering-xc\casic-metering-eqpt-xichang\casic-metering-dao\target\classes\mapper\system\SystemRfidMapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: WITH r AS (         SELECT DISTINCT rfid, create_user_dept as deptId FROM eqpt_system_rfid         UNION         SELECT DISTINCT rfid, dept_id as deptId FROM eqpt_equipment_info         )          SELECT         r.rfid as rfid,         r.deptId as deptId,         if(e.id is null,"0","1") as useStatus,         e.equipment_no as equipmnetNo,         e.equipment_name as equipmentName,         e.use_position as usePosition,         e.director_name as directorName         FROM         r left join eqpt_equipment_info e on r.rfid = e.rfid                       (r.rfid IS NOT NULL)
### Cause: java.sql.SQLSyntaxErrorException: FUNCTION e.rfid does not exist
; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: FUNCTION e.rfid does not exist