SQL错误Duplicate column name 'NAME'名字重复应使用别名

SQL错误Duplicate column name 'NAME'名字重复应使用别名

 

 

   SELECT
   a.name AS "studentinf.name",
   a.gender AS "studentinf.gender",
   a.departmentname AS "studentinf.departmentname",
   a.roomnumber AS "studentinf.roomnumber",
   a.major AS "studentinf.major",
   a.bottomphoto AS "studentinf.bottomphoto",
   a.grade AS "studentinf.grade",
   a.dormitoryname AS "studentinf.dormitoryname",
   
   FROM huigou_student_information a
   left  join
   (SELECT *,max(uploadTime) as uploadTime   from huigou_student_current WHERE del_flag="0" GROUP BY studentInformationId)  sc on a.studentid=sc.studentinformationid
   WHERE a.studentid = #{studentid}

 

修改：

   SELECT
   a.name AS "studentinf.name",
   a.gender AS "studentinf.gender",
   a.departmentname AS "studentinf.departmentname",
   a.roomnumber AS "studentinf.roomnumber",
   a.major AS "studentinf.major",
   a.bottomphoto AS "studentinf.bottomphoto",
   a.grade AS "studentinf.grade",
   a.dormitoryname AS "studentinf.dormitoryname",
   
   FROM huigou_student_information a
   left  join
   (SELECT *,max(uploadTime) as uploadTime1   from huigou_student_current WHERE del_flag="0" GROUP BY studentInformationId)  sc on a.studentid=sc.studentinformationid
   WHERE a.studentid = #{studentid}