TTL
Reports a key's remaining lifetime in seconds.
Keys & expiration · Example verified
Syntax covered here
TTL keyThe cases distinguish a persistent key (-1) from a missing key (-2) and check persistence after PERSIST.
Tested example & replies
Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.
# connection: default
> SET sample value
"OK"
# connection: default
> TTL sample
-1
# connection: default
> TTL missing
-2