CREATE TEMPORARY TABLE `tmp_agent_role_source_map` AS
SELECT `tenant_id`, `dept_id`, MIN(`role_id`) AS `source_role_id`
FROM `sys_role`
WHERE `is_pass` = 1 AND `deleted_at` IS NULL
GROUP BY `tenant_id`, `dept_id`
HAVING COUNT(*) = 1;

UPDATE `sys_role` AS `child_role`
JOIN `sys_dept` AS `child_dept`
    ON `child_dept`.`dept_id` = `child_role`.`dept_id`
    AND `child_dept`.`tenant_id` = `child_role`.`tenant_id`
    AND `child_dept`.`dept_role` = `child_role`.`role_id`
    AND `child_dept`.`dept_type` = 1
JOIN `tmp_agent_role_source_map` AS `source_map`
    ON `source_map`.`tenant_id` = `child_dept`.`tenant_id`
    AND `source_map`.`dept_id` = `child_dept`.`parent_id`
JOIN `sys_role` AS `source_role` ON `source_role`.`role_id` = `source_map`.`source_role_id`
SET
    `child_role`.`source_role_id` = `source_role`.`role_id`,
    `child_role`.`source_dept_id` = `source_role`.`dept_id`
WHERE `child_role`.`source_role_id` = 0
  AND `child_role`.`created_dept` = `source_role`.`dept_id`
  AND `child_role`.`role_key` = `source_role`.`role_key`
  AND `child_role`.`deleted_at` IS NULL;

DROP TEMPORARY TABLE `tmp_agent_role_source_map`;