message: Consensus pika dont support multi-key commands
diff: @@ -552,7 +552,8 @@ void Cmd::Execute() {
  ProcessFlushAllCmd();
  } else if (name_ == kCmdNameInfo || name_ == kCmdNameConfig) {
  ProcessDoNotSpecifyPartitionCmd();
  - } else if (is_single_partition() || g_pika_conf->classic_mode()) {
  + } else if (is_single_partition() ||
  + (g_pika_conf->classic_mode() && g_pika_conf->consensus_level() == 0)) {
  ProcessSinglePartitionCmd();
  } else if (is_multi_partition()) {
  ProcessMultiPartitionCmd();
  