PTTL

Return the expiration in milliseconds of a key.

Arguments

key

str

required

The key

Response

The number of milliseconds until this expires, negative if the key does not exist or does not have an expiration set.

Example

redis.set("key1", "Hello")

assert redis.pttl("key1") == -1

redis.expire("key1", 1000)

assert redis.pttl("key1") > 0

redis.persist("key1")

assert redis.pttl("key1") == -1