改变流

Currently we don't recommend to alter the schema of streams in Proton. The only exception is you can modify the retention policy for historical store. 唯一的例外是您可以修改历史存储的保留政策。

修改 TTL

You can add or modify the retention policy. 例如 例如

ALTER STREAM stream_name 将 TTL 修改为_datetime (created_at) + 间隔 48 小时