expire
UK[ɪkˈspaɪə(r)] US[ɪkˈspaɪr]
vi.Expiration; documents, agreements, etc. (due to expiration) become invalid; To expire; to pass away
Third person singular: expires Present participle: expiring Past tense: expired Past participle: expired
redis EXPIREAT command syntax
Function:EXPIREAT has a similar function to EXPIRE, both are used to set the survival time for key. The difference is that the time parameter accepted by the EXPIREAT command is UNIX timestamp (unix timestamp).
Syntax:EXPIREAT key timestamp
Available versions:>= 1.2.0
Time complexity :O(1)
Return:If the survival time is set successfully, return 1. When the key does not exist or the survival time cannot be set, 0 is returned.
redis EXPIREAT command example
redis> SET cache www.google.com OK redis> EXPIREAT cache 1355292000 # 这个 key 将在 2012.12.12 过期 (integer) 1 redis> TTL cache (integer) 45081860