-- 应收账单异步作废任务。部署应用前执行；已存在同名表时请先核对结构，勿覆盖历史任务。
CREATE TABLE ar_bill_void_task (
  task_id bigint NOT NULL AUTO_INCREMENT,
  ar_bill_id bigint NOT NULL,
  from_status varchar(32) NOT NULL,
  reason varchar(500) NOT NULL,
  status varchar(16) NOT NULL COMMENT 'WAITING、SUCCESS、FAILED',
  error_message varchar(500) DEFAULT NULL,
  request_id varchar(64) NOT NULL,
  create_by varchar(64) NOT NULL,
  create_user_id bigint NOT NULL,
  create_time datetime NOT NULL,
  finished_at datetime DEFAULT NULL,
  PRIMARY KEY (task_id),
  KEY idx_void_task_bill_status (ar_bill_id, status, task_id),
  KEY idx_void_task_bill_latest (ar_bill_id, task_id),
  KEY idx_void_task_status (status, task_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='应收账单异步作废任务';