alter table exam_definition modify lesson_id bigint null comment '所属课程ID',
	add map_id bigint not null comment '地图id' after id;

-- 更新exam_definition的map_id字段
UPDATE exam_definition SET map_id =( SELECT map_id FROM ls_lesson WHERE exam_definition.lesson_id = ls_lesson.id)
-- 更新exam_definition的type字段
UPDATE exam_definition SET type =( SELECT prd_type FROM ls_lesson WHERE exam_definition.lesson_id = ls_lesson.id)

alter table org_exam
    modify org_id bigint not null,
	add creator_id bigint not null,
	add create_time datetime not null;

ALTER TABLE `org_exam`
ADD COLUMN `id`  bigint(20) NOT NULL AUTO_INCREMENT FIRST ,
ADD PRIMARY KEY (`id`);

-- org_lesson表添加主键
ALTER TABLE `org_lesson`
ADD COLUMN `id`  bigint(20) NOT NULL AUTO_INCREMENT FIRST ,
ADD PRIMARY KEY (`id`);