select position_Id, position_name, sort, create_at, update_at, del_flag from mall_school_position and position_Id = #{positionId} and position_name like concat('%', #{positionName}, '%') and sort = #{sort} and create_at = #{createAt} and update_at = #{updateAt} and del_flag = #{delFlag} where position_Id = #{positionId} insert into mall_school_position position_name, sort, create_at, update_at, del_flag, #{positionName}, #{sort}, #{createAt}, #{updateAt}, #{delFlag}, update mall_school_position position_name = #{positionName}, sort = #{sort}, create_at = #{createAt}, update_at = #{updateAt}, del_flag = #{delFlag}, where position_Id = #{positionId} delete from mall_school_position where position_Id = #{positionId} update mall_school_position set del_flag = '1' where position_Id in #{positionId} select position_Id positionId, position_name positionName from mall_school_position where del_flag = '0' order by sort asc