public function save($datas, array $identifier = array(), $shardingKey = null, &$affectedRows = null)
    {
        if (!self::$enabled) {
            return;
        }

        unset(static::$datas[$this->getCacheKey($identifier)]);
    }
public function save($datas, array $identifier = array(), $shardingKey = null, &$affectedRows = null)
    {
        if (!self::$enabled) {
            return;
        }

        unset(static::$datas[$this->getCacheKey($identifier)]);
    }
@param mixed $datas
@param array $identifier
@param null  $shardingKey
@param null  $affectedRows

@return mixed|void