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-rw-r--r-- | iredis/data/commands/ttl.md | 27 |
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diff --git a/iredis/data/commands/ttl.md b/iredis/data/commands/ttl.md new file mode 100644 index 0000000..c36557c --- /dev/null +++ b/iredis/data/commands/ttl.md @@ -0,0 +1,27 @@ +Returns the remaining time to live of a key that has a timeout. This +introspection capability allows a Redis client to check how many seconds a given +key will continue to be part of the dataset. + +In Redis 2.6 or older the command returns `-1` if the key does not exist or if +the key exist but has no associated expire. + +Starting with Redis 2.8 the return value in case of error changed: + +- The command returns `-2` if the key does not exist. +- The command returns `-1` if the key exists but has no associated expire. + +See also the `PTTL` command that returns the same information with milliseconds +resolution (Only available in Redis 2.6 or greater). + +@return + +@integer-reply: TTL in seconds, or a negative value in order to signal an error +(see the description above). + +@examples + +```cli +SET mykey "Hello" +EXPIRE mykey 10 +TTL mykey +``` |