关于mysql:Django-orm-批量更新对应的-SQL-语句

UPDATE    `workingImdbMatchTask`SET    `task_json` = CASE        WHEN (`workingImdbMatchTask`.`id` = 5) THEN 'asds'        WHEN (`workingImdbMatchTask`.`id` = 8) THEN 'asds'        WHEN (`workingImdbMatchTask`.`id` = 9) THEN 'asds'        ELSE NULL    ENDWHERE    `workingImdbMatchTask`.`id` IN (5, 8, 9);