rename
UK[ˌri:ˈneɪm] US[ˌriːˈneɪm]
vt. Rename..., change the name
Third person singular : renames present participle: renaming past tense: renamed past participle: renamed
redis RENAMENX command syntax
Function:If and only if newkey does not exist, rename key to newkey. When key does not exist, an error is returned.
Syntax:RENAMENX key newkey
Available versions:>= 1.0.0
Time complexity :O(1)
Return:When the modification is successful, return 1. If newkey already exists, return 0.
redis RENAMENX command example
# newkey 不存在，改名成功 redis> SET player "MPlyaer" OK redis> EXISTS best_player (integer) 0 redis> RENAMENX player best_player (integer) 1 # newkey存在时，失败 redis> SET animal "bear" OK redis> SET favorite_animal "butterfly" OK redis> RENAMENX animal favorite_animal (integer) 0 redis> get animal "bear" redis> get favorite_animal "butterfly"