RENAMENX key newkey

    Time complexity: O(1)

    Renames to newkey if newkey does not yet exist. It returns an error when key does not exist.

    Integer reply, specifically:

    • 1 if was renamed to newkey.

    redis> SET mykey "Hello"

    redis> RENAMENX mykey myotherkey

    redis> GET myotherkey

    redis>