RENAMENX key newkey
Available since
Time complexity
ACL categories
@keyspace, @write, @fast

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 #

SET mykey "Hello"
SET myotherkey "World"
RENAMENX mykey myotherkey
GET myotherkey

History #

The command no longer returns an error when source and destination names are the same.

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