取消订阅
Syntax
SUNSUBSCRIBE [shardchannel [shardchannel ...]]
- Available since:
- 7.0.0
- Time complexity:
- O(N) where N is the number of shard channels to unsubscribe.
- ACL categories:
-
@pubsub,@slow,
从给定的分片通道取消订阅客户端，如果未提供任何通道，则从所有通道取消订阅。
当没有指定分片通道时，客户端将从所有先前订阅的分片通道中取消订阅。 在这种情况下，将为每个取消订阅的分片通道向客户端发送一条消息。
注意：全局通道和分片通道需要分别取消订阅。
有关分片发布/订阅的更多信息，请参阅Sharded Pub/Sub。
RESP2/RESP3 回复
When successful, this command doesn't return anything. Instead, for each shard channel, one message with the first element being the stringsunsubscribe is pushed as a confirmation that the command succeeded.