CREATE TABLE `t_ds_process_lineage` (
  `id` int NOT NULL AUTO_INCREMENT,
  `process_definition_code` bigint NOT NULL,
  `process_definition_version` int NOT NULL,
  `task_deifnition_code` bigint NOT NULL,
  `task_definition_version` int NOT NULL,
  `dept_project_code` bigint NOT NULL COMMENT 'dependent project code',
  `dept_process_definition_code` bigint NOT NULL COMMENT 'dependent process definition code',
  `dept_task_definition_code` bigint NOT NULL COMMENT 'dependent task definition code',
  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'create time',
  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'update time',
  PRIMARY KEY (`id`),
  KEY `idx_process_code_version` (`process_definition_code`,`process_definition_version`),
  KEY `idx_task_code_version` (`task_deifnition_code`,`task_definition_version`),
  KEY `idx_dept_code` (`dept_project_code`,`dept_process_definition_code`,`dept_task_definition_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;