你正在阅读 Celery 3.1 的文档。开发版本文档见：
此处.
celery.backends.database
SQLAlchemy result store backend.
-
class celery.backends.database.DatabaseBackend(dburi=None, expires=None, engine_options=None, url=None, **kwargs)[源代码]
The database result backend.
-
ResultSession()[源代码]
-
cleanup()[源代码]
Delete expired metadata.
-
subpolling_interval = 0.5
