错误一：

        java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'LIMIT 20' at line 3

原因：

         resultMap里的department_id的参数类型应该为integer，而不是varchar

标签：right,错误,corresponds,更新,syntax,排查,MySQL,your
来源： https://blog.csdn.net/qq_42000661/article/details/110824377