message: add PX support to SET command
diff: @@ -27,7 +27,7 @@ void SetCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
  condition_ = SetCmd::kXX;
  } else if (opt == "nx") {
  condition_ = SetCmd::kNX;
  - } else if (opt == "ex") {
  + } else if (opt == "ex" || opt == "px") {
  index++;
  if (index == argv.size()) {
  res_.SetRes(CmdRes::kSyntaxErr);
  @@ -37,6 +37,9 @@ void SetCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const ptr_info) {
  res_.SetRes(CmdRes::kInvalidInt);
  return;
  }
  + if (opt == "px") {
  + sec_ /= 1000;
  + }
  } else {
  res_.SetRes(CmdRes::kSyntaxErr);
  return;
  