Returns the expiration time of a key as a Unix milliseconds timestamp.
PEXPIRETIME key
PEXPIRETIME has the same semantic as EXPIRETIME, but returns the
absolute Unix expiration timestamp in milliseconds instead of
seconds.
One of the following:
Integer reply: Expiration Unix timestamp in milliseconds.
Integer reply:
-1 if the key exists but has no associated expiration
time.
Integer reply:
-2 if the key does not exist.
O(1)
@fast @keyspace @read
127.0.0.1:6379> SET mykey "Hello"
OK
127.0.0.1:6379> PEXPIREAT mykey 33177117420000
(integer) 1
127.0.0.1:6379> PEXPIRETIME mykey
(integer) 33177117420000
COPY, DEL, DUMP, EXISTS, EXPIRE, EXPIREAT, EXPIRETIME, KEYS, MIGRATE, MOVE, OBJECT, OBJECT ENCODING, OBJECT FREQ, OBJECT HELP, OBJECT IDLETIME, OBJECT REFCOUNT, PERSIST, PEXPIRE, PEXPIREAT, PTTL, RANDOMKEY, RENAME, RENAMENX, RESTORE, SCAN, SORT, SORT_RO, TOUCH, TTL, TYPE, UNLINK, WAIT, WAITAOF.