Redis Expire command
Redis Expire command is used to set the key expiration time. key will expire no longer available.
grammar
redis Expire basic command syntax is as follows:
redis 127.0.0.1:6379> Expire KEY_NAME TIME_IN_SECONDS
Available versions
> = 1.0.0
return value
Set successfully returned. When the key does not exist or can not set the expiration time for the key (for example, in less than 2.1.3 version of Redis you try to update the key expiration time) returns 0.
Examples
First, create a key and assignment:
redis 127.0.0.1:6379> SET runooobkey redis OK
Set the expiration time for the key:
redis 127.0.0.1:6379> EXPIRE runooobkey 60 (integer) 1
The above example we set the expiration time of 1 minute is a bond runooobkey, 1 minutes after the key is automatically deleted.