PERSIST key
相关命令
- DEL
- DUMP
- EXISTS
- EXPIRE
- EXPIREAT
- KEYS
- MIGRATE
- MOVE
- OBJECT
- PERSIST
- PEXPIRE
- PEXPIREAT
- PTTL
- RANDOMKEY
- RENAME
- RENAMENX
- RESTORE
- SCAN
- SORT
- TTL
- TYPE
Available since 2.2.0.
时间复杂度: O(1)
Remove the existing timeout on key
, turning the key from volatile (a key with an expire set) to persistent (a key that will never expire as no timeout is associated).
返回值
Integer reply, specifically:
1
if the timeout was removed.0
ifkey
does not exist or does not have an associated timeout.
例子
redis> SET mykey "Hello"
- OK
redis> EXPIRE mykey 10
- (integer) 1
redis> TTL mykey
- (integer) 10
redis> PERSIST mykey
- (integer) 1
redis> TTL mykey
- (integer) -1
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