-- 20220523
alter table `draft_map_station_direction_label`
ADD COLUMN `run_model`  varchar(255) NULL comment '所属模式（自动闭塞A、半自动闭塞S）' AFTER `signal_code`,
ADD COLUMN `run_status`  varchar(255) NULL comment '默认的接发状态,R接、D发、NO空' AFTER `run_model`,
ADD COLUMN `relative_code`  varchar(255) NULL comment '相对方向编码' AFTER `run_status`;


-- 20220526
alter table `draft_map_station_direction_label`
drop COLUMN `relative_code`,
ADD COLUMN `relative_station_code`  varchar(255) NULL comment '相对的车站编码' AFTER `run_status`,
ADD COLUMN `relative_label_enum`  varchar(255) NULL comment '相对的方向口' AFTER `relative_station_code`;