- Usage:
-
RENAMENX key newkey
- Complexity:
- O(1)
- Since:
- 1.0.0
-
Integer reply:
1if key was renamed to newkey. -
Integer reply:
0if newkey already exists.
Renames key to newkey if newkey does not yet exist.
It returns an error when key does not exist.
In Cluster mode, both key and newkey must be in the same hash slot, meaning that in practice only keys that have the same hash tag can be reliably renamed in cluster.
Examples
127.0.0.1:6379> SET mykey "Hello"
OK
127.0.0.1:6379> SET myotherkey "World"
OK
127.0.0.1:6379> RENAMENX mykey myotherkey
(integer) 0
127.0.0.1:6379> GET myotherkey
"World"
RESP2/RESP3 Reply
One of the following:
History
| Version | Change |
|---|---|
| 3.2.0 | The command no longer returns an error when source and destination names are the same. |