sqlalchemy.exc.OperationalError
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2006, “MySQL server has gone away (ConnectionResetError(10054, ‘远程主机强迫关闭了一个现有的连接。’, None, 10054, None))”) [SQL: ‘SELECT DISTINCT gift.create_time AS gift_create_time, gift.status AS gift_status, gift.id AS gift_id, gift.uid AS gift_uid, gift.isbn AS gift_isbn, gift.launched AS gift_launched \nFROM gift \nWHERE gift.launched = false AND gift.status = %(status_1)s GROUP BY gift.isbn ORDER BY gift.create_time DESC \n LIMIT %(param_1)s’] [parameters: {‘status_1’: 1, ‘param_1’: 30}] (Background on this error at: http://sqlalche.me/e/e3q8)