GETSET
Attention
This page documents an earlier version. Go to the latest (v2.1)version.Synopsis
GETSET key value
This command is an atomic read and write operation that gets the existing value that is associated with the given key while rewriting it with the given value.
key does not exist, the given value is inserted for the key, and null is returned.key is associated with non-string data, an error is raised.Return Value
Returns the old value of the given key.
Examples
$ SET yugakey 1"OK"
$ GETSET yugakey 21