GETEX
Syntax
GETEX key [EX seconds | PX milliseconds | EXAT unix-time-seconds | PXAT unix-time-milliseconds | PERSIST]
Time complexity: O(1)
ACL categories: @write, @string, @fast
Get the value of key and optionally set its expiration.
GETEX is similar to GET, but is a write command with additional options.
Options
The GETEX command supports a set of options that modify its behavior:
EXseconds -- Set the specified expire time, in seconds.PXmilliseconds -- Set the specified expire time, in milliseconds.EXATtimestamp-seconds -- Set the specified Unix time at which the key will expire, in seconds.PXATtimestamp-milliseconds -- Set the specified Unix time at which the key will expire, in milliseconds.PERSIST-- Remove the time to live associated with the key.
When supplied with no options, GETEX is equivalent to GET.
Return
Bulk string reply: the value of key, or nil when key does not exist.
Examples
dragonfly> SET mykey "Hello"
OK
dragonfly> GETEX mykey
"Hello"
dragonfly> TTL mykey
(integer) -1
dragonfly> GETEX mykey EX 60
"Hello"
dragonfly> TTL mykey
(integer) 60