HPERSIST

HPERSIST key FIELDS numfields field [field ...]

Available since:

7.4.0

Time complexity:

O(N) where N is the number of specified fields

ACL categories:

@write, @hash, @fast,

Remove the existing expiration on a hash key's field(s), turning the field(s) from volatile (a field with expiration set) to persistent (a field that will never expire as no TTL (time to live) is associated).

Examples

redis> HSET mykey field1 "hello" field2 "world"
(integer 2)
redis> HEXPIRE mykey 300 FIELDS 2 field1 field2
1) (integer) 1
2) (integer) 1
redis> HTTL mykey FIELDS 2 field1 field2
1) (integer) 283
2) (integer) 283
redis> HPERSIST mykey FIELDS 1 field2
1) (integer) 1
redis> HTTL mykey FIELDS 2 field1 field2
1) (integer) 268
2) (integer) -1

RESP2/RESP3 Reply

• Array reply. For each field:
  • Integer reply: -2 if no such field exists in the provided hash key, or the provided key does not exist.
  • Integer reply: -1 if the field exists but has no associated expiration set.
  • Integer reply: 1 the expiration was removed.