select * from sys_dept ${ew.getCustomSqlSegment} select d.dept_id from sys_dept d left join sys_role_dept rd on d.dept_id = rd.dept_id where rd.role_id = #{roleId} and d.dept_id not in (select d.parent_id from sys_dept d inner join sys_role_dept rd on d.dept_id = rd.dept_id and rd.role_id = #{roleId}) order by d.parent_id, d.order_num update sys_dept set ancestors = when #{item.deptId} then #{item.ancestors} where dept_id in #{item.deptId}