-- MK 业务ID与表单实例ID绑定
CREATE TABLE IF NOT EXISTS `blade_mk_form_bind`
(
    `id`                  bigint       NOT NULL COMMENT '主键',
    `tenant_id`           varchar(12)           DEFAULT '000000' COMMENT '租户ID',
    `biz_type`            varchar(64)  NOT NULL DEFAULT '' COMMENT '业务类型',
    `biz_id`              bigint       NOT NULL COMMENT '业务主键',
    `form_instance_id`    bigint       NOT NULL COMMENT 'MK表单实例id',
    `process_instance_id` varchar(64)           DEFAULT NULL COMMENT 'MK流程实例id',
    `is_current`          tinyint(1)   NOT NULL DEFAULT 1 COMMENT '是否当前生效(1是0否)',
    `create_time`         datetime              DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
    `update_time`         datetime              DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '最后更新时间',
    PRIMARY KEY (`id`),
    UNIQUE KEY `uk_blade_mk_form_bind_form_instance_id` (`form_instance_id`) USING BTREE,
    KEY `idx_blade_mk_form_bind_biz_current` (`biz_type`, `biz_id`, `is_current`) USING BTREE
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4
  COLLATE = utf8mb4_general_ci COMMENT ='MK表单实例绑定表';

-- 业务流程表增加表单实例id
ALTER TABLE `blade_business_process`
    ADD COLUMN `form_instance_id` bigint DEFAULT NULL COMMENT 'MK表单实例id' AFTER `biz_id`;

-- 历史数据：原 biz_id 即 formInstanceId，回填并写入绑定表
UPDATE `blade_business_process`
SET `form_instance_id` = `biz_id`
WHERE `form_instance_id` IS NULL;

INSERT INTO `blade_mk_form_bind` (`id`, `tenant_id`, `biz_type`, `biz_id`, `form_instance_id`,
                                  `process_instance_id`, `is_current`, `create_time`, `update_time`)
SELECT `id`,
       IFNULL(`tenant_id`, '000000'),
       '',
       `biz_id`,
       `biz_id`,
       `process_instance_id`,
       1,
       IFNULL(`create_time`, NOW()),
       IFNULL(`update_time`, NOW())
FROM `blade_business_process` bp
WHERE NOT EXISTS (SELECT 1
                  FROM `blade_mk_form_bind` b
                  WHERE b.`form_instance_id` = bp.`biz_id`);