Stops listening to messages posted to channels.
UNSUBSCRIBE
channel
[channel…]
Unsubscribes the client from the given channels, or from all of them if none is given.
When no channels are specified, the client is unsubscribed from all the previously subscribed channels. In this case, a message for every unsubscribed channel will be sent to the client.
When successful, this command doesn’t return anything. Instead, for
each channel, one message with the first element being the string
unsubscribe
is pushed as a confirmation that the command
succeeded.
O(N) where N is the number of channels to unsubscribe.
@pubsub @slow
PSUBSCRIBE, PUBLISH, PUBSUB, PUBSUB CHANNELS, PUBSUB HELP, PUBSUB NUMPAT, PUBSUB NUMSUB, PUBSUB SHARDCHANNELS, PUBSUB SHARDNUMSUB, PUNSUBSCRIBE, SPUBLISH, SSUBSCRIBE, SUBSCRIBE, SUNSUBSCRIBE.