refactor: remove **all** unnecessary 'optional' notation (#91)

c++/greptime/v1/common.pb.cc

@@ -24,14 +24,13 @@ namespace greptime {
 namespace v1 {
 PROTOBUF_CONSTEXPR RequestHeader::RequestHeader(
     ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_._has_bits_)*/{}
+    /*decltype(_impl_.catalog_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_._cached_size_)*/{}
-  , /*decltype(_impl_.catalog_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.schema_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.dbname_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.authorization_)*/nullptr
   , /*decltype(_impl_.trace_id_)*/uint64_t{0u}
-  , /*decltype(_impl_.span_id_)*/uint64_t{0u}} {}
+  , /*decltype(_impl_.span_id_)*/uint64_t{0u}
+  , /*decltype(_impl_._cached_size_)*/{}} {}
 struct RequestHeaderDefaultTypeInternal {
   PROTOBUF_CONSTEXPR RequestHeaderDefaultTypeInternal()
       : _instance(::_pbi::ConstantInitialized{}) {}
@@ -173,7 +172,7 @@ static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2f
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fcommon_2eproto = nullptr;
 
 const uint32_t TableStruct_greptime_2fv1_2fcommon_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::RequestHeader, _impl_._has_bits_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::RequestHeader, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -185,12 +184,6 @@ const uint32_t TableStruct_greptime_2fv1_2fcommon_2eproto::offsets[] PROTOBUF_SE
   PROTOBUF_FIELD_OFFSET(::greptime::v1::RequestHeader, _impl_.dbname_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::RequestHeader, _impl_.trace_id_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::RequestHeader, _impl_.span_id_),
-  ~0u,
-  ~0u,
-  ~0u,
-  ~0u,
-  0,
-  1,
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::ResponseHeader, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -265,16 +258,16 @@ const uint32_t TableStruct_greptime_2fv1_2fcommon_2eproto::offsets[] PROTOBUF_SE
   PROTOBUF_FIELD_OFFSET(::greptime::v1::IntervalMonthDayNano, _impl_.nanoseconds_),
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
-  { 0, 12, -1, sizeof(::greptime::v1::RequestHeader)},
+  { 0, -1, -1, sizeof(::greptime::v1::RequestHeader)},
-  { 18, -1, -1, sizeof(::greptime::v1::ResponseHeader)},
+  { 12, -1, -1, sizeof(::greptime::v1::ResponseHeader)},
-  { 25, -1, -1, sizeof(::greptime::v1::Status)},
+  { 19, -1, -1, sizeof(::greptime::v1::Status)},
-  { 33, -1, -1, sizeof(::greptime::v1::AuthHeader)},
+  { 27, -1, -1, sizeof(::greptime::v1::AuthHeader)},
-  { 42, -1, -1, sizeof(::greptime::v1::Basic)},
+  { 36, -1, -1, sizeof(::greptime::v1::Basic)},
-  { 50, -1, -1, sizeof(::greptime::v1::Token)},
+  { 44, -1, -1, sizeof(::greptime::v1::Token)},
-  { 57, -1, -1, sizeof(::greptime::v1::AffectedRows)},
+  { 51, -1, -1, sizeof(::greptime::v1::AffectedRows)},
-  { 64, -1, -1, sizeof(::greptime::v1::FlightMetadata)},
+  { 58, -1, -1, sizeof(::greptime::v1::FlightMetadata)},
-  { 71, -1, -1, sizeof(::greptime::v1::ColumnDef)},
+  { 65, -1, -1, sizeof(::greptime::v1::ColumnDef)},
-  { 81, -1, -1, sizeof(::greptime::v1::IntervalMonthDayNano)},
+  { 75, -1, -1, sizeof(::greptime::v1::IntervalMonthDayNano)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -292,44 +285,43 @@ static const ::_pb::Message* const file_default_instances[] = {
 
 const char descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
   "\n\030greptime/v1/common.proto\022\013greptime.v1\""
-  "\266\001\n\rRequestHeader\022\017\n\007catalog\030\001 \001(\t\022\016\n\006sc"
+  "\223\001\n\rRequestHeader\022\017\n\007catalog\030\001 \001(\t\022\016\n\006sc"
   "hema\030\002 \001(\t\022.\n\rauthorization\030\003 \001(\0132\027.grep"
-  "time.v1.AuthHeader\022\016\n\006dbname\030\004 \001(\t\022\025\n\010tr"
+  "time.v1.AuthHeader\022\016\n\006dbname\030\004 \001(\t\022\020\n\010tr"
-  "ace_id\030\005 \001(\004H\000\210\001\001\022\024\n\007span_id\030\006 \001(\004H\001\210\001\001B"
+  "ace_id\030\005 \001(\004\022\017\n\007span_id\030\006 \001(\004\"5\n\016Respons"
-  "\013\n\t_trace_idB\n\n\010_span_id\"5\n\016ResponseHead"
+  "eHeader\022#\n\006status\030\001 \001(\0132\023.greptime.v1.St"
-  "er\022#\n\006status\030\001 \001(\0132\023.greptime.v1.Status\""
+  "atus\".\n\006Status\022\023\n\013status_code\030\001 \001(\r\022\017\n\007e"
-  ".\n\006Status\022\023\n\013status_code\030\001 \001(\r\022\017\n\007err_ms"
+  "rr_msg\030\002 \001(\t\"e\n\nAuthHeader\022#\n\005basic\030\001 \001("
-  "g\030\002 \001(\t\"e\n\nAuthHeader\022#\n\005basic\030\001 \001(\0132\022.g"
+  "\0132\022.greptime.v1.BasicH\000\022#\n\005token\030\002 \001(\0132\022"
-  "reptime.v1.BasicH\000\022#\n\005token\030\002 \001(\0132\022.grep"
+  ".greptime.v1.TokenH\000B\r\n\013auth_scheme\"+\n\005B"
-  "time.v1.TokenH\000B\r\n\013auth_scheme\"+\n\005Basic\022"
+  "asic\022\020\n\010username\030\001 \001(\t\022\020\n\010password\030\002 \001(\t"
-  "\020\n\010username\030\001 \001(\t\022\020\n\010password\030\002 \001(\t\"\026\n\005T"
+  "\"\026\n\005Token\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows"
-  "oken\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows\022\r\n\005v"
+  "\022\r\n\005value\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raff"
-  "alue\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raffected"
+  "ected_rows\030\001 \001(\0132\031.greptime.v1.AffectedR"
-  "_rows\030\001 \001(\0132\031.greptime.v1.AffectedRows\"y"
+  "ows\"y\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010dataty"
-  "\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010datatype\030\002 "
+  "pe\030\002 \001(\0162\033.greptime.v1.ColumnDataType\022\023\n"
-  "\001(\0162\033.greptime.v1.ColumnDataType\022\023\n\013is_n"
+  "\013is_nullable\030\003 \001(\010\022\032\n\022default_constraint"
-  "ullable\030\003 \001(\010\022\032\n\022default_constraint\030\004 \001("
+  "\030\004 \001(\014\"I\n\024IntervalMonthDayNano\022\016\n\006months"
-  "\014\"I\n\024IntervalMonthDayNano\022\016\n\006months\030\001 \001("
+  "\030\001 \001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001("
-  "\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(\003*1\n\014"
+  "\003*1\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n"
-  "SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n\tTIME"
+  "\tTIMESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLE"
-  "STAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLEAN\020\000\022"
+  "AN\020\000\022\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005"
-  "\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005INT64"
+  "INT64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32"
-  "\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32\020\007\022\n\n"
+  "\020\007\022\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n"
-  "\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n\022\n\n\006B"
+  "\022\n\n\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DA"
-  "INARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DATETIM"
+  "TETIME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMEST"
-  "E\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMESTAMP_M"
+  "AMP_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECO"
-  "ILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECOND\020\021\022"
+  "ND\020\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_S"
-  "\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_SECOND"
+  "ECOND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MI"
-  "\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MICROSE"
+  "CROSECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTE"
-  "COND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTERVAL_"
+  "RVAL_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030"
-  "YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030\022\033\n\027I"
+  "\022\033\n\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.grep"
-  "NTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.greptime."
+  "time.v1B\006CommonZ5github.com/GreptimeTeam"
-  "v1B\006CommonZ5github.com/GreptimeTeam/grep"
+  "/greptime-proto/go/greptime/v1b\006proto3"
-  "time-proto/go/greptime/v1b\006proto3"
   ;
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fcommon_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fcommon_2eproto = {
-    false, false, 1393, descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto,
+    false, false, 1358, descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto,
     "greptime/v1/common.proto",
     &descriptor_table_greptime_2fv1_2fcommon_2eproto_once, nullptr, 0, 10,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fcommon_2eproto::offsets,
@@ -402,14 +394,7 @@ bool ColumnDataType_IsValid(int value) {
 
 class RequestHeader::_Internal {
  public:
-  using HasBits = decltype(std::declval<RequestHeader>()._impl_._has_bits_);
   static const ::greptime::v1::AuthHeader& authorization(const RequestHeader* msg);
-  static void set_has_trace_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_span_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
 };
 
 const ::greptime::v1::AuthHeader&
@@ -426,14 +411,13 @@ RequestHeader::RequestHeader(const RequestHeader& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   RequestHeader* const _this = this; (void)_this;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){from._impl_._has_bits_}
+      decltype(_impl_.catalog_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_){}
     , decltype(_impl_.schema_){}
     , decltype(_impl_.dbname_){}
     , decltype(_impl_.authorization_){nullptr}
     , decltype(_impl_.trace_id_){}
-    , decltype(_impl_.span_id_){}};
+    , decltype(_impl_.span_id_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   _impl_.catalog_.InitDefault();
@@ -474,14 +458,13 @@ inline void RequestHeader::SharedCtor(
   (void)arena;
   (void)is_message_owned;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){}
+      decltype(_impl_.catalog_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_){}
     , decltype(_impl_.schema_){}
     , decltype(_impl_.dbname_){}
     , decltype(_impl_.authorization_){nullptr}
     , decltype(_impl_.trace_id_){uint64_t{0u}}
     , decltype(_impl_.span_id_){uint64_t{0u}}
+    , /*decltype(_impl_._cached_size_)*/{}
   };
   _impl_.catalog_.InitDefault();
   #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
@@ -531,19 +514,14 @@ void RequestHeader::Clear() {
     delete _impl_.authorization_;
   }
   _impl_.authorization_ = nullptr;
-  cached_has_bits = _impl_._has_bits_[0];
+  ::memset(&_impl_.trace_id_, 0, static_cast<size_t>(
-  if (cached_has_bits & 0x00000003u) {
+      reinterpret_cast<char*>(&_impl_.span_id_) -
-    ::memset(&_impl_.trace_id_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&_impl_.trace_id_)) + sizeof(_impl_.span_id_));
-        reinterpret_cast<char*>(&_impl_.span_id_) -
-        reinterpret_cast<char*>(&_impl_.trace_id_)) + sizeof(_impl_.span_id_));
-  }
-  _impl_._has_bits_.Clear();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
 const char* RequestHeader::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
 #define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
   while (!ctx->Done(&ptr)) {
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
@@ -586,19 +564,17 @@ const char* RequestHeader::_InternalParse(const char* ptr, ::_pbi::ParseContext*
         } else
           goto handle_unusual;
         continue;
-      // optional uint64 trace_id = 5;
+      // uint64 trace_id = 5;
       case 5:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 40)) {
-          _Internal::set_has_trace_id(&has_bits);
           _impl_.trace_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
           CHK_(ptr);
         } else
           goto handle_unusual;
         continue;
-      // optional uint64 span_id = 6;
+      // uint64 span_id = 6;
       case 6:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 48)) {
-          _Internal::set_has_span_id(&has_bits);
           _impl_.span_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
           CHK_(ptr);
         } else
@@ -620,7 +596,6 @@ const char* RequestHeader::_InternalParse(const char* ptr, ::_pbi::ParseContext*
     CHK_(ptr != nullptr);
   }  // while
 message_done:
-  _impl_._has_bits_.Or(has_bits);
   return ptr;
 failure:
   ptr = nullptr;
@@ -671,14 +646,14 @@ uint8_t* RequestHeader::_InternalSerialize(
         4, this->_internal_dbname(), target);
   }
 
-  // optional uint64 trace_id = 5;
+  // uint64 trace_id = 5;
-  if (_internal_has_trace_id()) {
+  if (this->_internal_trace_id() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(5, this->_internal_trace_id(), target);
   }
 
-  // optional uint64 span_id = 6;
+  // uint64 span_id = 6;
-  if (_internal_has_span_id()) {
+  if (this->_internal_span_id() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(6, this->_internal_span_id(), target);
   }
@@ -727,19 +702,16 @@ size_t RequestHeader::ByteSizeLong() const {
         *_impl_.authorization_);
   }
 
-  cached_has_bits = _impl_._has_bits_[0];
+  // uint64 trace_id = 5;
-  if (cached_has_bits & 0x00000003u) {
+  if (this->_internal_trace_id() != 0) {
-    // optional uint64 trace_id = 5;
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_trace_id());
-    if (cached_has_bits & 0x00000001u) {
-      total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_trace_id());
-    }
-
-    // optional uint64 span_id = 6;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_span_id());
-    }
-
   }
+
+  // uint64 span_id = 6;
+  if (this->_internal_span_id() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_span_id());
+  }
+
   return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
 }
 
@@ -771,15 +743,11 @@ void RequestHeader::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::
     _this->_internal_mutable_authorization()->::greptime::v1::AuthHeader::MergeFrom(
         from._internal_authorization());
   }
-  cached_has_bits = from._impl_._has_bits_[0];
+  if (from._internal_trace_id() != 0) {
-  if (cached_has_bits & 0x00000003u) {
+    _this->_internal_set_trace_id(from._internal_trace_id());
-    if (cached_has_bits & 0x00000001u) {
+  }
-      _this->_impl_.trace_id_ = from._impl_.trace_id_;
+  if (from._internal_span_id() != 0) {
-    }
+    _this->_internal_set_span_id(from._internal_span_id());
-    if (cached_has_bits & 0x00000002u) {
-      _this->_impl_.span_id_ = from._impl_.span_id_;
-    }
-    _this->_impl_._has_bits_[0] |= cached_has_bits;
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
 }
@@ -800,7 +768,6 @@ void RequestHeader::InternalSwap(RequestHeader* other) {
   auto* lhs_arena = GetArenaForAllocation();
   auto* rhs_arena = other->GetArenaForAllocation();
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_._has_bits_[0], other->_impl_._has_bits_[0]);
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
       &_impl_.catalog_, lhs_arena,
       &other->_impl_.catalog_, rhs_arena

c++/greptime/v1/common.pb.h

@@ -359,11 +359,7 @@ class RequestHeader final :
       ::greptime::v1::AuthHeader* authorization);
   ::greptime::v1::AuthHeader* unsafe_arena_release_authorization();
 
-  // optional uint64 trace_id = 5;
+  // uint64 trace_id = 5;
-  bool has_trace_id() const;
-  private:
-  bool _internal_has_trace_id() const;
-  public:
   void clear_trace_id();
   uint64_t trace_id() const;
   void set_trace_id(uint64_t value);
@@ -372,11 +368,7 @@ class RequestHeader final :
   void _internal_set_trace_id(uint64_t value);
   public:
 
-  // optional uint64 span_id = 6;
+  // uint64 span_id = 6;
-  bool has_span_id() const;
-  private:
-  bool _internal_has_span_id() const;
-  public:
   void clear_span_id();
   uint64_t span_id() const;
   void set_span_id(uint64_t value);
@@ -393,14 +385,13 @@ class RequestHeader final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::internal::HasBits<1> _has_bits_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr catalog_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr schema_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr dbname_;
     ::greptime::v1::AuthHeader* authorization_;
     uint64_t trace_id_;
     uint64_t span_id_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
   friend struct ::TableStruct_greptime_2fv1_2fcommon_2eproto;
@@ -2161,17 +2152,9 @@ inline void RequestHeader::set_allocated_dbname(std::string* dbname) {
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.RequestHeader.dbname)
 }
 
-// optional uint64 trace_id = 5;
+// uint64 trace_id = 5;
-inline bool RequestHeader::_internal_has_trace_id() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000001u) != 0;
-  return value;
-}
-inline bool RequestHeader::has_trace_id() const {
-  return _internal_has_trace_id();
-}
 inline void RequestHeader::clear_trace_id() {
   _impl_.trace_id_ = uint64_t{0u};
-  _impl_._has_bits_[0] &= ~0x00000001u;
 }
 inline uint64_t RequestHeader::_internal_trace_id() const {
   return _impl_.trace_id_;
@@ -2181,7 +2164,7 @@ inline uint64_t RequestHeader::trace_id() const {
   return _internal_trace_id();
 }
 inline void RequestHeader::_internal_set_trace_id(uint64_t value) {
-  _impl_._has_bits_[0] |= 0x00000001u;
+  
   _impl_.trace_id_ = value;
 }
 inline void RequestHeader::set_trace_id(uint64_t value) {
@@ -2189,17 +2172,9 @@ inline void RequestHeader::set_trace_id(uint64_t value) {
   // @@protoc_insertion_point(field_set:greptime.v1.RequestHeader.trace_id)
 }
 
-// optional uint64 span_id = 6;
+// uint64 span_id = 6;
-inline bool RequestHeader::_internal_has_span_id() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000002u) != 0;
-  return value;
-}
-inline bool RequestHeader::has_span_id() const {
-  return _internal_has_span_id();
-}
 inline void RequestHeader::clear_span_id() {
   _impl_.span_id_ = uint64_t{0u};
-  _impl_._has_bits_[0] &= ~0x00000002u;
 }
 inline uint64_t RequestHeader::_internal_span_id() const {
   return _impl_.span_id_;
@@ -2209,7 +2184,7 @@ inline uint64_t RequestHeader::span_id() const {
   return _internal_span_id();
 }
 inline void RequestHeader::_internal_set_span_id(uint64_t value) {
-  _impl_._has_bits_[0] |= 0x00000002u;
+  
   _impl_.span_id_ = value;
 }
 inline void RequestHeader::set_span_id(uint64_t value) {

c++/greptime/v1/ddl.pb.cc

@@ -109,13 +109,12 @@ struct DropTableExprDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 DropTableExprDefaultTypeInternal _DropTableExpr_default_instance_;
 PROTOBUF_CONSTEXPR FlushTableExpr::FlushTableExpr(
     ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_._has_bits_)*/{}
+    /*decltype(_impl_.catalog_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_._cached_size_)*/{}
-  , /*decltype(_impl_.catalog_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.schema_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.table_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.table_id_)*/nullptr
-  , /*decltype(_impl_.region_number_)*/0u} {}
+  , /*decltype(_impl_.region_number_)*/0u
+  , /*decltype(_impl_._cached_size_)*/{}} {}
 struct FlushTableExprDefaultTypeInternal {
   PROTOBUF_CONSTEXPR FlushTableExprDefaultTypeInternal()
       : _instance(::_pbi::ConstantInitialized{}) {}
@@ -127,12 +126,11 @@ struct FlushTableExprDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 FlushTableExprDefaultTypeInternal _FlushTableExpr_default_instance_;
 PROTOBUF_CONSTEXPR CompactTableExpr::CompactTableExpr(
     ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_._has_bits_)*/{}
+    /*decltype(_impl_.catalog_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_._cached_size_)*/{}
-  , /*decltype(_impl_.catalog_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.schema_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.table_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_.region_number_)*/0u} {}
+  , /*decltype(_impl_.region_number_)*/0u
+  , /*decltype(_impl_._cached_size_)*/{}} {}
 struct CompactTableExprDefaultTypeInternal {
   PROTOBUF_CONSTEXPR CompactTableExprDefaultTypeInternal()
       : _instance(::_pbi::ConstantInitialized{}) {}
@@ -340,7 +338,7 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DropTableExpr, _impl_.schema_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DropTableExpr, _impl_.table_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DropTableExpr, _impl_.table_id_),
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::FlushTableExpr, _impl_._has_bits_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::FlushTableExpr, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -351,12 +349,7 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   PROTOBUF_FIELD_OFFSET(::greptime::v1::FlushTableExpr, _impl_.table_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::FlushTableExpr, _impl_.region_number_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::FlushTableExpr, _impl_.table_id_),
-  ~0u,
+  ~0u,  // no _has_bits_
-  ~0u,
-  ~0u,
-  0,
-  ~0u,
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::CompactTableExpr, _impl_._has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CompactTableExpr, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -366,10 +359,6 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CompactTableExpr, _impl_.schema_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CompactTableExpr, _impl_.table_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CompactTableExpr, _impl_.region_number_),
-  ~0u,
-  ~0u,
-  ~0u,
-  0,
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateDatabaseExpr, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -447,17 +436,17 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 24, -1, -1, sizeof(::greptime::v1::CreateTableExpr)},
   { 42, -1, -1, sizeof(::greptime::v1::AlterExpr)},
   { 57, -1, -1, sizeof(::greptime::v1::DropTableExpr)},
-  { 67, 78, -1, sizeof(::greptime::v1::FlushTableExpr)},
+  { 67, -1, -1, sizeof(::greptime::v1::FlushTableExpr)},
-  { 83, 93, -1, sizeof(::greptime::v1::CompactTableExpr)},
+  { 78, -1, -1, sizeof(::greptime::v1::CompactTableExpr)},
-  { 97, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
+  { 88, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
-  { 105, -1, -1, sizeof(::greptime::v1::TruncateTableExpr)},
+  { 96, -1, -1, sizeof(::greptime::v1::TruncateTableExpr)},
-  { 115, -1, -1, sizeof(::greptime::v1::AddColumns)},
+  { 106, -1, -1, sizeof(::greptime::v1::AddColumns)},
-  { 122, -1, -1, sizeof(::greptime::v1::DropColumns)},
+  { 113, -1, -1, sizeof(::greptime::v1::DropColumns)},
-  { 129, -1, -1, sizeof(::greptime::v1::RenameTable)},
+  { 120, -1, -1, sizeof(::greptime::v1::RenameTable)},
-  { 136, -1, -1, sizeof(::greptime::v1::AddColumn_Location)},
+  { 127, -1, -1, sizeof(::greptime::v1::AddColumn_Location)},
-  { 144, -1, -1, sizeof(::greptime::v1::AddColumn)},
+  { 135, -1, -1, sizeof(::greptime::v1::AddColumn)},
-  { 153, -1, -1, sizeof(::greptime::v1::DropColumn)},
+  { 144, -1, -1, sizeof(::greptime::v1::DropColumn)},
-  { 160, -1, -1, sizeof(::greptime::v1::TableId)},
+  { 151, -1, -1, sizeof(::greptime::v1::TableId)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -512,40 +501,39 @@ const char descriptor_table_protodef_greptime_2fv1_2fddl_2eproto[] PROTOBUF_SECT
   "(\004B\006\n\004kind\"v\n\rDropTableExpr\022\024\n\014catalog_n"
   "ame\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_"
   "name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024.greptime."
-  "v1.TableId\"\245\001\n\016FlushTableExpr\022\024\n\014catalog"
+  "v1.TableId\"\216\001\n\016FlushTableExpr\022\024\n\014catalog"
   "_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntabl"
-  "e_name\030\003 \001(\t\022\032\n\rregion_number\030\004 \001(\rH\000\210\001\001"
+  "e_name\030\003 \001(\t\022\025\n\rregion_number\030\004 \001(\r\022&\n\010t"
-  "\022&\n\010table_id\030\005 \001(\0132\024.greptime.v1.TableId"
+  "able_id\030\005 \001(\0132\024.greptime.v1.TableId\"h\n\020C"
-  "B\020\n\016_region_number\"\177\n\020CompactTableExpr\022\024"
+  "ompactTableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n"
-  "\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001("
+  "\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022\025"
-  "\t\022\022\n\ntable_name\030\003 \001(\t\022\032\n\rregion_number\030\004"
+  "\n\rregion_number\030\004 \001(\r\"I\n\022CreateDatabaseE"
-  " \001(\rH\000\210\001\001B\020\n\016_region_number\"I\n\022CreateDat"
+  "xpr\022\025\n\rdatabase_name\030\001 \001(\t\022\034\n\024create_if_"
-  "abaseExpr\022\025\n\rdatabase_name\030\001 \001(\t\022\034\n\024crea"
+  "not_exists\030\002 \001(\010\"z\n\021TruncateTableExpr\022\024\n"
-  "te_if_not_exists\030\002 \001(\010\"z\n\021TruncateTableE"
+  "\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t"
-  "xpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name"
+  "\022\022\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024"
-  "\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004"
+  ".greptime.v1.TableId\"9\n\nAddColumns\022+\n\013ad"
-  " \001(\0132\024.greptime.v1.TableId\"9\n\nAddColumns"
+  "d_columns\030\001 \003(\0132\026.greptime.v1.AddColumn\""
-  "\022+\n\013add_columns\030\001 \003(\0132\026.greptime.v1.AddC"
+  "<\n\013DropColumns\022-\n\014drop_columns\030\001 \003(\0132\027.g"
-  "olumn\"<\n\013DropColumns\022-\n\014drop_columns\030\001 \003"
+  "reptime.v1.DropColumn\"%\n\013RenameTable\022\026\n\016"
-  "(\0132\027.greptime.v1.DropColumn\"%\n\013RenameTab"
+  "new_table_name\030\001 \001(\t\"\215\002\n\tAddColumn\022*\n\nco"
-  "le\022\026\n\016new_table_name\030\001 \001(\t\"\215\002\n\tAddColumn"
+  "lumn_def\030\001 \001(\0132\026.greptime.v1.ColumnDef\022\016"
-  "\022*\n\ncolumn_def\030\001 \001(\0132\026.greptime.v1.Colum"
+  "\n\006is_key\030\002 \001(\010\0221\n\010location\030\003 \001(\0132\037.grept"
-  "nDef\022\016\n\006is_key\030\002 \001(\010\0221\n\010location\030\003 \001(\0132\037"
+  "ime.v1.AddColumn.Location\032\220\001\n\010Location\022C"
-  ".greptime.v1.AddColumn.Location\032\220\001\n\010Loca"
+  "\n\rlocation_type\030\001 \001(\0162,.greptime.v1.AddC"
-  "tion\022C\n\rlocation_type\030\001 \001(\0162,.greptime.v"
+  "olumn.Location.LocationType\022\031\n\021after_clo"
-  "1.AddColumn.Location.LocationType\022\031\n\021aft"
+  "umn_name\030\002 \001(\t\"$\n\014LocationType\022\t\n\005FIRST\020"
-  "er_cloumn_name\030\002 \001(\t\"$\n\014LocationType\022\t\n\005"
+  "\000\022\t\n\005AFTER\020\001\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t"
-  "FIRST\020\000\022\t\n\005AFTER\020\001\"\032\n\nDropColumn\022\014\n\004name"
+  "\"\025\n\007TableId\022\n\n\002id\030\001 \001(\rBL\n\016io.greptime.v"
-  "\030\001 \001(\t\"\025\n\007TableId\022\n\n\002id\030\001 \001(\rBL\n\016io.grep"
+  "1B\003DdlZ5github.com/GreptimeTeam/greptime"
-  "time.v1B\003DdlZ5github.com/GreptimeTeam/gr"
+  "-proto/go/greptime/v1b\006proto3"
-  "eptime-proto/go/greptime/v1b\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fddl_2eproto_deps[1] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fddl_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fddl_2eproto = {
-    false, false, 2355, descriptor_table_protodef_greptime_2fv1_2fddl_2eproto,
+    false, false, 2309, descriptor_table_protodef_greptime_2fv1_2fddl_2eproto,
     "greptime/v1/ddl.proto",
     &descriptor_table_greptime_2fv1_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fddl_2eproto_deps, 1, 16,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fddl_2eproto::offsets,
@@ -2840,10 +2828,6 @@ void DropTableExpr::InternalSwap(DropTableExpr* other) {
 
 class FlushTableExpr::_Internal {
  public:
-  using HasBits = decltype(std::declval<FlushTableExpr>()._impl_._has_bits_);
-  static void set_has_region_number(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
   static const ::greptime::v1::TableId& table_id(const FlushTableExpr* msg);
 };
 
@@ -2861,13 +2845,12 @@ FlushTableExpr::FlushTableExpr(const FlushTableExpr& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   FlushTableExpr* const _this = this; (void)_this;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){from._impl_._has_bits_}
+      decltype(_impl_.catalog_name_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_name_){}
     , decltype(_impl_.schema_name_){}
     , decltype(_impl_.table_name_){}
     , decltype(_impl_.table_id_){nullptr}
-    , decltype(_impl_.region_number_){}};
+    , decltype(_impl_.region_number_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   _impl_.catalog_name_.InitDefault();
@@ -2906,13 +2889,12 @@ inline void FlushTableExpr::SharedCtor(
   (void)arena;
   (void)is_message_owned;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){}
+      decltype(_impl_.catalog_name_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_name_){}
     , decltype(_impl_.schema_name_){}
     , decltype(_impl_.table_name_){}
     , decltype(_impl_.table_id_){nullptr}
     , decltype(_impl_.region_number_){0u}
+    , /*decltype(_impl_._cached_size_)*/{}
   };
   _impl_.catalog_name_.InitDefault();
   #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
@@ -2963,13 +2945,11 @@ void FlushTableExpr::Clear() {
   }
   _impl_.table_id_ = nullptr;
   _impl_.region_number_ = 0u;
-  _impl_._has_bits_.Clear();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
 const char* FlushTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
 #define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
   while (!ctx->Done(&ptr)) {
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
@@ -3004,10 +2984,9 @@ const char* FlushTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseContext
         } else
           goto handle_unusual;
         continue;
-      // optional uint32 region_number = 4;
+      // uint32 region_number = 4;
       case 4:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 32)) {
-          _Internal::set_has_region_number(&has_bits);
           _impl_.region_number_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
           CHK_(ptr);
         } else
@@ -3037,7 +3016,6 @@ const char* FlushTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseContext
     CHK_(ptr != nullptr);
   }  // while
 message_done:
-  _impl_._has_bits_.Or(has_bits);
   return ptr;
 failure:
   ptr = nullptr;
@@ -3081,8 +3059,8 @@ uint8_t* FlushTableExpr::_InternalSerialize(
         3, this->_internal_table_name(), target);
   }
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  if (_internal_has_region_number()) {
+  if (this->_internal_region_number() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt32ToArray(4, this->_internal_region_number(), target);
   }
@@ -3138,9 +3116,8 @@ size_t FlushTableExpr::ByteSizeLong() const {
         *_impl_.table_id_);
   }
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  cached_has_bits = _impl_._has_bits_[0];
+  if (this->_internal_region_number() != 0) {
-  if (cached_has_bits & 0x00000001u) {
     total_size += ::_pbi::WireFormatLite::UInt32SizePlusOne(this->_internal_region_number());
   }
 
@@ -3175,7 +3152,7 @@ void FlushTableExpr::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const :
     _this->_internal_mutable_table_id()->::greptime::v1::TableId::MergeFrom(
         from._internal_table_id());
   }
-  if (from._internal_has_region_number()) {
+  if (from._internal_region_number() != 0) {
     _this->_internal_set_region_number(from._internal_region_number());
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
@@ -3197,7 +3174,6 @@ void FlushTableExpr::InternalSwap(FlushTableExpr* other) {
   auto* lhs_arena = GetArenaForAllocation();
   auto* rhs_arena = other->GetArenaForAllocation();
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_._has_bits_[0], other->_impl_._has_bits_[0]);
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
       &_impl_.catalog_name_, lhs_arena,
       &other->_impl_.catalog_name_, rhs_arena
@@ -3228,10 +3204,6 @@ void FlushTableExpr::InternalSwap(FlushTableExpr* other) {
 
 class CompactTableExpr::_Internal {
  public:
-  using HasBits = decltype(std::declval<CompactTableExpr>()._impl_._has_bits_);
-  static void set_has_region_number(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
 };
 
 CompactTableExpr::CompactTableExpr(::PROTOBUF_NAMESPACE_ID::Arena* arena,
@@ -3244,12 +3216,11 @@ CompactTableExpr::CompactTableExpr(const CompactTableExpr& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   CompactTableExpr* const _this = this; (void)_this;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){from._impl_._has_bits_}
+      decltype(_impl_.catalog_name_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_name_){}
     , decltype(_impl_.schema_name_){}
     , decltype(_impl_.table_name_){}
-    , decltype(_impl_.region_number_){}};
+    , decltype(_impl_.region_number_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   _impl_.catalog_name_.InitDefault();
@@ -3285,12 +3256,11 @@ inline void CompactTableExpr::SharedCtor(
   (void)arena;
   (void)is_message_owned;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){}
+      decltype(_impl_.catalog_name_){}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.catalog_name_){}
     , decltype(_impl_.schema_name_){}
     , decltype(_impl_.table_name_){}
     , decltype(_impl_.region_number_){0u}
+    , /*decltype(_impl_._cached_size_)*/{}
   };
   _impl_.catalog_name_.InitDefault();
   #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
@@ -3336,13 +3306,11 @@ void CompactTableExpr::Clear() {
   _impl_.schema_name_.ClearToEmpty();
   _impl_.table_name_.ClearToEmpty();
   _impl_.region_number_ = 0u;
-  _impl_._has_bits_.Clear();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
 const char* CompactTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
 #define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
   while (!ctx->Done(&ptr)) {
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
@@ -3377,10 +3345,9 @@ const char* CompactTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseConte
         } else
           goto handle_unusual;
         continue;
-      // optional uint32 region_number = 4;
+      // uint32 region_number = 4;
       case 4:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 32)) {
-          _Internal::set_has_region_number(&has_bits);
           _impl_.region_number_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
           CHK_(ptr);
         } else
@@ -3402,7 +3369,6 @@ const char* CompactTableExpr::_InternalParse(const char* ptr, ::_pbi::ParseConte
     CHK_(ptr != nullptr);
   }  // while
 message_done:
-  _impl_._has_bits_.Or(has_bits);
   return ptr;
 failure:
   ptr = nullptr;
@@ -3446,8 +3412,8 @@ uint8_t* CompactTableExpr::_InternalSerialize(
         3, this->_internal_table_name(), target);
   }
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  if (_internal_has_region_number()) {
+  if (this->_internal_region_number() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt32ToArray(4, this->_internal_region_number(), target);
   }
@@ -3489,9 +3455,8 @@ size_t CompactTableExpr::ByteSizeLong() const {
         this->_internal_table_name());
   }
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  cached_has_bits = _impl_._has_bits_[0];
+  if (this->_internal_region_number() != 0) {
-  if (cached_has_bits & 0x00000001u) {
     total_size += ::_pbi::WireFormatLite::UInt32SizePlusOne(this->_internal_region_number());
   }
 
@@ -3522,7 +3487,7 @@ void CompactTableExpr::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const
   if (!from._internal_table_name().empty()) {
     _this->_internal_set_table_name(from._internal_table_name());
   }
-  if (from._internal_has_region_number()) {
+  if (from._internal_region_number() != 0) {
     _this->_internal_set_region_number(from._internal_region_number());
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
@@ -3544,7 +3509,6 @@ void CompactTableExpr::InternalSwap(CompactTableExpr* other) {
   auto* lhs_arena = GetArenaForAllocation();
   auto* rhs_arena = other->GetArenaForAllocation();
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_._has_bits_[0], other->_impl_._has_bits_[0]);
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
       &_impl_.catalog_name_, lhs_arena,
       &other->_impl_.catalog_name_, rhs_arena

c++/greptime/v1/ddl.pb.h

@@ -1533,11 +1533,7 @@ class FlushTableExpr final :
       ::greptime::v1::TableId* table_id);
   ::greptime::v1::TableId* unsafe_arena_release_table_id();
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  bool has_region_number() const;
-  private:
-  bool _internal_has_region_number() const;
-  public:
   void clear_region_number();
   uint32_t region_number() const;
   void set_region_number(uint32_t value);
@@ -1554,13 +1550,12 @@ class FlushTableExpr final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::internal::HasBits<1> _has_bits_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr catalog_name_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr schema_name_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr table_name_;
     ::greptime::v1::TableId* table_id_;
     uint32_t region_number_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
   friend struct ::TableStruct_greptime_2fv1_2fddl_2eproto;
@@ -1735,11 +1730,7 @@ class CompactTableExpr final :
   std::string* _internal_mutable_table_name();
   public:
 
-  // optional uint32 region_number = 4;
+  // uint32 region_number = 4;
-  bool has_region_number() const;
-  private:
-  bool _internal_has_region_number() const;
-  public:
   void clear_region_number();
   uint32_t region_number() const;
   void set_region_number(uint32_t value);
@@ -1756,12 +1747,11 @@ class CompactTableExpr final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::internal::HasBits<1> _has_bits_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr catalog_name_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr schema_name_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr table_name_;
     uint32_t region_number_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
   friend struct ::TableStruct_greptime_2fv1_2fddl_2eproto;
@@ -5322,17 +5312,9 @@ inline void FlushTableExpr::set_allocated_table_name(std::string* table_name) {
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.FlushTableExpr.table_name)
 }
 
-// optional uint32 region_number = 4;
+// uint32 region_number = 4;
-inline bool FlushTableExpr::_internal_has_region_number() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000001u) != 0;
-  return value;
-}
-inline bool FlushTableExpr::has_region_number() const {
-  return _internal_has_region_number();
-}
 inline void FlushTableExpr::clear_region_number() {
   _impl_.region_number_ = 0u;
-  _impl_._has_bits_[0] &= ~0x00000001u;
 }
 inline uint32_t FlushTableExpr::_internal_region_number() const {
   return _impl_.region_number_;
@@ -5342,7 +5324,7 @@ inline uint32_t FlushTableExpr::region_number() const {
   return _internal_region_number();
 }
 inline void FlushTableExpr::_internal_set_region_number(uint32_t value) {
-  _impl_._has_bits_[0] |= 0x00000001u;
+  
   _impl_.region_number_ = value;
 }
 inline void FlushTableExpr::set_region_number(uint32_t value) {
@@ -5594,17 +5576,9 @@ inline void CompactTableExpr::set_allocated_table_name(std::string* table_name)
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.CompactTableExpr.table_name)
 }
 
-// optional uint32 region_number = 4;
+// uint32 region_number = 4;
-inline bool CompactTableExpr::_internal_has_region_number() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000001u) != 0;
-  return value;
-}
-inline bool CompactTableExpr::has_region_number() const {
-  return _internal_has_region_number();
-}
 inline void CompactTableExpr::clear_region_number() {
   _impl_.region_number_ = 0u;
-  _impl_._has_bits_[0] &= ~0x00000001u;
 }
 inline uint32_t CompactTableExpr::_internal_region_number() const {
   return _impl_.region_number_;
@@ -5614,7 +5588,7 @@ inline uint32_t CompactTableExpr::region_number() const {
   return _internal_region_number();
 }
 inline void CompactTableExpr::_internal_set_region_number(uint32_t value) {
-  _impl_._has_bits_[0] |= 0x00000001u;
+  
   _impl_.region_number_ = value;
 }
 inline void CompactTableExpr::set_region_number(uint32_t value) {

c++/greptime/v1/region/server.pb.cc

@@ -25,10 +25,9 @@ namespace v1 {
 namespace region {
 PROTOBUF_CONSTEXPR RegionRequestHeader::RegionRequestHeader(
     ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_._has_bits_)*/{}
+    /*decltype(_impl_.trace_id_)*/uint64_t{0u}
-  , /*decltype(_impl_._cached_size_)*/{}
+  , /*decltype(_impl_.span_id_)*/uint64_t{0u}
-  , /*decltype(_impl_.trace_id_)*/uint64_t{0u}
+  , /*decltype(_impl_._cached_size_)*/{}} {}
-  , /*decltype(_impl_.span_id_)*/uint64_t{0u}} {}
 struct RegionRequestHeaderDefaultTypeInternal {
   PROTOBUF_CONSTEXPR RegionRequestHeaderDefaultTypeInternal()
       : _instance(::_pbi::ConstantInitialized{}) {}
@@ -284,7 +283,7 @@ static constexpr ::_pb::EnumDescriptor const** file_level_enum_descriptors_grept
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fregion_2fserver_2eproto = nullptr;
 
 const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequestHeader, _impl_._has_bits_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequestHeader, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -292,8 +291,6 @@ const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PR
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequestHeader, _impl_.trace_id_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequestHeader, _impl_.span_id_),
-  0,
-  1,
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequest, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -449,24 +446,24 @@ const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PR
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::ColumnDef, _impl_.semantic_type_),
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
-  { 0, 8, -1, sizeof(::greptime::v1::region::RegionRequestHeader)},
+  { 0, -1, -1, sizeof(::greptime::v1::region::RegionRequestHeader)},
-  { 10, -1, -1, sizeof(::greptime::v1::region::RegionRequest)},
+  { 8, -1, -1, sizeof(::greptime::v1::region::RegionRequest)},
-  { 27, -1, -1, sizeof(::greptime::v1::region::RegionResponse)},
+  { 25, -1, -1, sizeof(::greptime::v1::region::RegionResponse)},
-  { 35, -1, -1, sizeof(::greptime::v1::region::InsertRequests)},
+  { 33, -1, -1, sizeof(::greptime::v1::region::InsertRequests)},
-  { 42, -1, -1, sizeof(::greptime::v1::region::DeleteRequests)},
+  { 40, -1, -1, sizeof(::greptime::v1::region::DeleteRequests)},
-  { 49, -1, -1, sizeof(::greptime::v1::region::InsertRequest)},
+  { 47, -1, -1, sizeof(::greptime::v1::region::InsertRequest)},
-  { 57, -1, -1, sizeof(::greptime::v1::region::DeleteRequest)},
+  { 55, -1, -1, sizeof(::greptime::v1::region::DeleteRequest)},
-  { 65, -1, -1, sizeof(::greptime::v1::region::QueryRequest)},
+  { 63, -1, -1, sizeof(::greptime::v1::region::QueryRequest)},
-  { 73, 81, -1, sizeof(::greptime::v1::region::CreateRequest_OptionsEntry_DoNotUse)},
+  { 71, 79, -1, sizeof(::greptime::v1::region::CreateRequest_OptionsEntry_DoNotUse)},
-  { 83, -1, -1, sizeof(::greptime::v1::region::CreateRequest)},
+  { 81, -1, -1, sizeof(::greptime::v1::region::CreateRequest)},
-  { 96, -1, -1, sizeof(::greptime::v1::region::DropRequest)},
+  { 94, -1, -1, sizeof(::greptime::v1::region::DropRequest)},
-  { 103, 111, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
+  { 101, 109, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
-  { 113, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
+  { 111, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
-  { 123, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
+  { 121, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
-  { 130, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
+  { 128, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
-  { 137, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
+  { 135, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
-  { 144, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
+  { 142, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
-  { 151, -1, -1, sizeof(::greptime::v1::region::ColumnDef)},
+  { 149, -1, -1, sizeof(::greptime::v1::region::ColumnDef)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -493,59 +490,59 @@ static const ::_pb::Message* const file_default_instances[] = {
 const char descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
   "\n\037greptime/v1/region/server.proto\022\022grept"
   "ime.v1.region\032\030greptime/v1/common.proto\032"
-  "\025greptime/v1/row.proto\"[\n\023RegionRequestH"
+  "\025greptime/v1/row.proto\"8\n\023RegionRequestH"
-  "eader\022\025\n\010trace_id\030\001 \001(\004H\000\210\001\001\022\024\n\007span_id\030"
+  "eader\022\020\n\010trace_id\030\001 \001(\004\022\017\n\007span_id\030\002 \001(\004"
-  "\002 \001(\004H\001\210\001\001B\013\n\t_trace_idB\n\n\010_span_id\"\245\004\n\r"
+  "\"\245\004\n\rRegionRequest\0227\n\006header\030\001 \001(\0132\'.gre"
-  "RegionRequest\0227\n\006header\030\001 \001(\0132\'.greptime"
+  "ptime.v1.region.RegionRequestHeader\0225\n\007i"
-  ".v1.region.RegionRequestHeader\0225\n\007insert"
+  "nserts\030\003 \001(\0132\".greptime.v1.region.Insert"
-  "s\030\003 \001(\0132\".greptime.v1.region.InsertReque"
+  "RequestsH\000\0225\n\007deletes\030\004 \001(\0132\".greptime.v"
-  "stsH\000\0225\n\007deletes\030\004 \001(\0132\".greptime.v1.reg"
+  "1.region.DeleteRequestsH\000\0223\n\006create\030\005 \001("
-  "ion.DeleteRequestsH\000\0223\n\006create\030\005 \001(\0132!.g"
+  "\0132!.greptime.v1.region.CreateRequestH\000\022/"
-  "reptime.v1.region.CreateRequestH\000\022/\n\004dro"
+  "\n\004drop\030\006 \001(\0132\037.greptime.v1.region.DropRe"
-  "p\030\006 \001(\0132\037.greptime.v1.region.DropRequest"
+  "questH\000\022/\n\004open\030\007 \001(\0132\037.greptime.v1.regi"
-  "H\000\022/\n\004open\030\007 \001(\0132\037.greptime.v1.region.Op"
+  "on.OpenRequestH\000\0221\n\005close\030\010 \001(\0132 .grepti"
-  "enRequestH\000\0221\n\005close\030\010 \001(\0132 .greptime.v1"
+  "me.v1.region.CloseRequestH\000\0221\n\005alter\030\t \001"
-  ".region.CloseRequestH\000\0221\n\005alter\030\t \001(\0132 ."
+  "(\0132 .greptime.v1.region.AlterRequestH\000\0221"
-  "greptime.v1.region.AlterRequestH\000\0221\n\005flu"
+  "\n\005flush\030\n \001(\0132 .greptime.v1.region.Flush"
-  "sh\030\n \001(\0132 .greptime.v1.region.FlushReque"
+  "RequestH\000\0225\n\007compact\030\013 \001(\0132\".greptime.v1"
-  "stH\000\0225\n\007compact\030\013 \001(\0132\".greptime.v1.regi"
+  ".region.CompactRequestH\000B\006\n\004body\"T\n\016Regi"
-  "on.CompactRequestH\000B\006\n\004body\"T\n\016RegionRes"
+  "onResponse\022+\n\006header\030\001 \001(\0132\033.greptime.v1"
-  "ponse\022+\n\006header\030\001 \001(\0132\033.greptime.v1.Resp"
+  ".ResponseHeader\022\025\n\raffected_rows\030\002 \001(\004\"E"
-  "onseHeader\022\025\n\raffected_rows\030\002 \001(\004\"E\n\016Ins"
+  "\n\016InsertRequests\0223\n\010requests\030\001 \003(\0132!.gre"
-  "ertRequests\0223\n\010requests\030\001 \003(\0132!.greptime"
+  "ptime.v1.region.InsertRequest\"E\n\016DeleteR"
-  ".v1.region.InsertRequest\"E\n\016DeleteReques"
+  "equests\0223\n\010requests\030\001 \003(\0132!.greptime.v1."
-  "ts\0223\n\010requests\030\001 \003(\0132!.greptime.v1.regio"
+  "region.DeleteRequest\"C\n\rInsertRequest\022\021\n"
-  "n.DeleteRequest\"C\n\rInsertRequest\022\021\n\tregi"
+  "\tregion_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptim"
-  "on_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1."
+  "e.v1.Rows\"C\n\rDeleteRequest\022\021\n\tregion_id\030"
-  "Rows\"C\n\rDeleteRequest\022\021\n\tregion_id\030\001 \001(\004"
+  "\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1.Rows\"/"
-  "\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1.Rows\"/\n\014Que"
+  "\n\014QueryRequest\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004pla"
-  "ryRequest\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004plan\030\002 \001"
+  "n\030\002 \001(\014\"\236\002\n\rCreateRequest\022\021\n\tregion_id\030\001"
-  "(\014\"\236\002\n\rCreateRequest\022\021\n\tregion_id\030\001 \001(\004\022"
+  " \001(\004\022\016\n\006engine\030\002 \001(\t\0222\n\013column_defs\030\003 \003("
-  "\016\n\006engine\030\002 \001(\t\0222\n\013column_defs\030\003 \003(\0132\035.g"
+  "\0132\035.greptime.v1.region.ColumnDef\022\023\n\013prim"
-  "reptime.v1.region.ColumnDef\022\023\n\013primary_k"
+  "ary_key\030\004 \003(\r\022\034\n\024create_if_not_exists\030\005 "
-  "ey\030\004 \003(\r\022\034\n\024create_if_not_exists\030\005 \001(\010\022\022"
+  "\001(\010\022\022\n\nregion_dir\030\006 \001(\t\022\?\n\007options\030\007 \003(\013"
-  "\n\nregion_dir\030\006 \001(\t\022\?\n\007options\030\007 \003(\0132..gr"
+  "2..greptime.v1.region.CreateRequest.Opti"
-  "eptime.v1.region.CreateRequest.OptionsEn"
+  "onsEntry\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n"
-  "try\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005valu"
+  "\005value\030\002 \001(\t:\0028\001\" \n\013DropRequest\022\021\n\tregio"
-  "e\030\002 \001(\t:\0028\001\" \n\013DropRequest\022\021\n\tregion_id\030"
+  "n_id\030\001 \001(\004\"\263\001\n\013OpenRequest\022\021\n\tregion_id\030"
-  "\001 \001(\004\"\263\001\n\013OpenRequest\022\021\n\tregion_id\030\001 \001(\004"
+  "\001 \001(\004\022\016\n\006engine\030\002 \001(\t\022\022\n\nregion_dir\030\003 \001("
-  "\022\016\n\006engine\030\002 \001(\t\022\022\n\nregion_dir\030\003 \001(\t\022=\n\007"
+  "\t\022=\n\007options\030\004 \003(\0132,.greptime.v1.region."
-  "options\030\004 \003(\0132,.greptime.v1.region.OpenR"
+  "OpenRequest.OptionsEntry\032.\n\014OptionsEntry"
-  "equest.OptionsEntry\032.\n\014OptionsEntry\022\013\n\003k"
+  "\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014Clos"
-  "ey\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014CloseRequ"
+  "eRequest\022\021\n\tregion_id\030\001 \001(\004\"!\n\014AlterRequ"
-  "est\022\021\n\tregion_id\030\001 \001(\004\"!\n\014AlterRequest\022\021"
+  "est\022\021\n\tregion_id\030\001 \001(\004\"!\n\014FlushRequest\022\021"
-  "\n\tregion_id\030\001 \001(\004\"!\n\014FlushRequest\022\021\n\treg"
+  "\n\tregion_id\030\001 \001(\004\"#\n\016CompactRequest\022\021\n\tr"
-  "ion_id\030\001 \001(\004\"#\n\016CompactRequest\022\021\n\tregion"
+  "egion_id\030\001 \001(\004\"\276\001\n\tColumnDef\022\014\n\004name\030\001 \001"
-  "_id\030\001 \001(\004\"\276\001\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022\021\n"
+  "(\t\022\021\n\tcolumn_id\030\002 \001(\r\022-\n\010datatype\030\003 \001(\0162"
-  "\tcolumn_id\030\002 \001(\r\022-\n\010datatype\030\003 \001(\0162\033.gre"
+  "\033.greptime.v1.ColumnDataType\022\023\n\013is_nulla"
-  "ptime.v1.ColumnDataType\022\023\n\013is_nullable\030\004"
+  "ble\030\004 \001(\010\022\032\n\022default_constraint\030\005 \001(\014\0220\n"
-  " \001(\010\022\032\n\022default_constraint\030\005 \001(\014\0220\n\rsema"
+  "\rsemantic_type\030\006 \001(\0162\031.greptime.v1.Seman"
-  "ntic_type\030\006 \001(\0162\031.greptime.v1.SemanticTy"
+  "ticType2Y\n\006Region\022O\n\006Handle\022!.greptime.v"
-  "pe2Y\n\006Region\022O\n\006Handle\022!.greptime.v1.reg"
+  "1.region.RegionRequest\032\".greptime.v1.reg"
-  "ion.RegionRequest\032\".greptime.v1.region.R"
+  "ion.RegionResponseB]\n\025io.greptime.v1.reg"
-  "egionResponseB]\n\025io.greptime.v1.regionB\006"
+  "ionB\006ServerZ<github.com/GreptimeTeam/gre"
-  "ServerZ<github.com/GreptimeTeam/greptime"
+  "ptime-proto/go/greptime/v1/regionb\006proto"
-  "-proto/go/greptime/v1/regionb\006proto3"
+  "3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps[2] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
@@ -553,7 +550,7 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2freg
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto = {
-    false, false, 2196, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
+    false, false, 2161, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
     "greptime/v1/region/server.proto",
     &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps, 2, 18,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets,
@@ -574,13 +571,6 @@ namespace region {
 
 class RegionRequestHeader::_Internal {
  public:
-  using HasBits = decltype(std::declval<RegionRequestHeader>()._impl_._has_bits_);
-  static void set_has_trace_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 1u;
-  }
-  static void set_has_span_id(HasBits* has_bits) {
-    (*has_bits)[0] |= 2u;
-  }
 };
 
 RegionRequestHeader::RegionRequestHeader(::PROTOBUF_NAMESPACE_ID::Arena* arena,
@@ -593,10 +583,9 @@ RegionRequestHeader::RegionRequestHeader(const RegionRequestHeader& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   RegionRequestHeader* const _this = this; (void)_this;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){from._impl_._has_bits_}
+      decltype(_impl_.trace_id_){}
-    , /*decltype(_impl_._cached_size_)*/{}
+    , decltype(_impl_.span_id_){}
-    , decltype(_impl_.trace_id_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
-    , decltype(_impl_.span_id_){}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   ::memcpy(&_impl_.trace_id_, &from._impl_.trace_id_,
@@ -610,10 +599,9 @@ inline void RegionRequestHeader::SharedCtor(
   (void)arena;
   (void)is_message_owned;
   new (&_impl_) Impl_{
-      decltype(_impl_._has_bits_){}
+      decltype(_impl_.trace_id_){uint64_t{0u}}
-    , /*decltype(_impl_._cached_size_)*/{}
-    , decltype(_impl_.trace_id_){uint64_t{0u}}
     , decltype(_impl_.span_id_){uint64_t{0u}}
+    , /*decltype(_impl_._cached_size_)*/{}
   };
 }
 
@@ -640,36 +628,29 @@ void RegionRequestHeader::Clear() {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  cached_has_bits = _impl_._has_bits_[0];
+  ::memset(&_impl_.trace_id_, 0, static_cast<size_t>(
-  if (cached_has_bits & 0x00000003u) {
+      reinterpret_cast<char*>(&_impl_.span_id_) -
-    ::memset(&_impl_.trace_id_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&_impl_.trace_id_)) + sizeof(_impl_.span_id_));
-        reinterpret_cast<char*>(&_impl_.span_id_) -
-        reinterpret_cast<char*>(&_impl_.trace_id_)) + sizeof(_impl_.span_id_));
-  }
-  _impl_._has_bits_.Clear();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
 const char* RegionRequestHeader::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
 #define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  _Internal::HasBits has_bits{};
   while (!ctx->Done(&ptr)) {
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
     switch (tag >> 3) {
-      // optional uint64 trace_id = 1;
+      // uint64 trace_id = 1;
       case 1:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
-          _Internal::set_has_trace_id(&has_bits);
           _impl_.trace_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
           CHK_(ptr);
         } else
           goto handle_unusual;
         continue;
-      // optional uint64 span_id = 2;
+      // uint64 span_id = 2;
       case 2:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
-          _Internal::set_has_span_id(&has_bits);
           _impl_.span_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
           CHK_(ptr);
         } else
@@ -691,7 +672,6 @@ const char* RegionRequestHeader::_InternalParse(const char* ptr, ::_pbi::ParseCo
     CHK_(ptr != nullptr);
   }  // while
 message_done:
-  _impl_._has_bits_.Or(has_bits);
   return ptr;
 failure:
   ptr = nullptr;
@@ -705,14 +685,14 @@ uint8_t* RegionRequestHeader::_InternalSerialize(
   uint32_t cached_has_bits = 0;
   (void) cached_has_bits;
 
-  // optional uint64 trace_id = 1;
+  // uint64 trace_id = 1;
-  if (_internal_has_trace_id()) {
+  if (this->_internal_trace_id() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(1, this->_internal_trace_id(), target);
   }
 
-  // optional uint64 span_id = 2;
+  // uint64 span_id = 2;
-  if (_internal_has_span_id()) {
+  if (this->_internal_span_id() != 0) {
     target = stream->EnsureSpace(target);
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(2, this->_internal_span_id(), target);
   }
@@ -733,19 +713,16 @@ size_t RegionRequestHeader::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  cached_has_bits = _impl_._has_bits_[0];
+  // uint64 trace_id = 1;
-  if (cached_has_bits & 0x00000003u) {
+  if (this->_internal_trace_id() != 0) {
-    // optional uint64 trace_id = 1;
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_trace_id());
-    if (cached_has_bits & 0x00000001u) {
-      total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_trace_id());
-    }
-
-    // optional uint64 span_id = 2;
-    if (cached_has_bits & 0x00000002u) {
-      total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_span_id());
-    }
-
   }
+
+  // uint64 span_id = 2;
+  if (this->_internal_span_id() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_span_id());
+  }
+
   return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
 }
 
@@ -764,15 +741,11 @@ void RegionRequestHeader::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, co
   uint32_t cached_has_bits = 0;
   (void) cached_has_bits;
 
-  cached_has_bits = from._impl_._has_bits_[0];
+  if (from._internal_trace_id() != 0) {
-  if (cached_has_bits & 0x00000003u) {
+    _this->_internal_set_trace_id(from._internal_trace_id());
-    if (cached_has_bits & 0x00000001u) {
+  }
-      _this->_impl_.trace_id_ = from._impl_.trace_id_;
+  if (from._internal_span_id() != 0) {
-    }
+    _this->_internal_set_span_id(from._internal_span_id());
-    if (cached_has_bits & 0x00000002u) {
-      _this->_impl_.span_id_ = from._impl_.span_id_;
-    }
-    _this->_impl_._has_bits_[0] |= cached_has_bits;
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
 }
@@ -791,7 +764,6 @@ bool RegionRequestHeader::IsInitialized() const {
 void RegionRequestHeader::InternalSwap(RegionRequestHeader* other) {
   using std::swap;
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_._has_bits_[0], other->_impl_._has_bits_[0]);
   ::PROTOBUF_NAMESPACE_ID::internal::memswap<
       PROTOBUF_FIELD_OFFSET(RegionRequestHeader, _impl_.span_id_)
       + sizeof(RegionRequestHeader::_impl_.span_id_)

c++/greptime/v1/region/server.pb.h

@@ -259,11 +259,7 @@ class RegionRequestHeader final :
     kTraceIdFieldNumber = 1,
     kSpanIdFieldNumber = 2,
   };
-  // optional uint64 trace_id = 1;
+  // uint64 trace_id = 1;
-  bool has_trace_id() const;
-  private:
-  bool _internal_has_trace_id() const;
-  public:
   void clear_trace_id();
   uint64_t trace_id() const;
   void set_trace_id(uint64_t value);
@@ -272,11 +268,7 @@ class RegionRequestHeader final :
   void _internal_set_trace_id(uint64_t value);
   public:
 
-  // optional uint64 span_id = 2;
+  // uint64 span_id = 2;
-  bool has_span_id() const;
-  private:
-  bool _internal_has_span_id() const;
-  public:
   void clear_span_id();
   uint64_t span_id() const;
   void set_span_id(uint64_t value);
@@ -293,10 +285,9 @@ class RegionRequestHeader final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::internal::HasBits<1> _has_bits_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     uint64_t trace_id_;
     uint64_t span_id_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
   friend struct ::TableStruct_greptime_2fv1_2fregion_2fserver_2eproto;
@@ -3141,17 +3132,9 @@ class ColumnDef final :
 #endif  // __GNUC__
 // RegionRequestHeader
 
-// optional uint64 trace_id = 1;
+// uint64 trace_id = 1;
-inline bool RegionRequestHeader::_internal_has_trace_id() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000001u) != 0;
-  return value;
-}
-inline bool RegionRequestHeader::has_trace_id() const {
-  return _internal_has_trace_id();
-}
 inline void RegionRequestHeader::clear_trace_id() {
   _impl_.trace_id_ = uint64_t{0u};
-  _impl_._has_bits_[0] &= ~0x00000001u;
 }
 inline uint64_t RegionRequestHeader::_internal_trace_id() const {
   return _impl_.trace_id_;
@@ -3161,7 +3144,7 @@ inline uint64_t RegionRequestHeader::trace_id() const {
   return _internal_trace_id();
 }
 inline void RegionRequestHeader::_internal_set_trace_id(uint64_t value) {
-  _impl_._has_bits_[0] |= 0x00000001u;
+  
   _impl_.trace_id_ = value;
 }
 inline void RegionRequestHeader::set_trace_id(uint64_t value) {
@@ -3169,17 +3152,9 @@ inline void RegionRequestHeader::set_trace_id(uint64_t value) {
   // @@protoc_insertion_point(field_set:greptime.v1.region.RegionRequestHeader.trace_id)
 }
 
-// optional uint64 span_id = 2;
+// uint64 span_id = 2;
-inline bool RegionRequestHeader::_internal_has_span_id() const {
-  bool value = (_impl_._has_bits_[0] & 0x00000002u) != 0;
-  return value;
-}
-inline bool RegionRequestHeader::has_span_id() const {
-  return _internal_has_span_id();
-}
 inline void RegionRequestHeader::clear_span_id() {
   _impl_.span_id_ = uint64_t{0u};
-  _impl_._has_bits_[0] &= ~0x00000002u;
 }
 inline uint64_t RegionRequestHeader::_internal_span_id() const {
   return _impl_.span_id_;
@@ -3189,7 +3164,7 @@ inline uint64_t RegionRequestHeader::span_id() const {
   return _internal_span_id();
 }
 inline void RegionRequestHeader::_internal_set_span_id(uint64_t value) {
-  _impl_._has_bits_[0] |= 0x00000002u;
+  
   _impl_.span_id_ = value;
 }
 inline void RegionRequestHeader::set_span_id(uint64_t value) {

go/greptime/v1/common.pb.go

@@ -215,9 +215,9 @@ type RequestHeader struct {
 	// The `dbname` for the request
 	Dbname string `protobuf:"bytes,4,opt,name=dbname,proto3" json:"dbname,omitempty"`
 	// TraceID of request
-	TraceId *uint64 `protobuf:"varint,5,opt,name=trace_id,json=traceId,proto3,oneof" json:"trace_id,omitempty"`
+	TraceId uint64 `protobuf:"varint,5,opt,name=trace_id,json=traceId,proto3" json:"trace_id,omitempty"`
 	// SpanID of request
-	SpanId *uint64 `protobuf:"varint,6,opt,name=span_id,json=spanId,proto3,oneof" json:"span_id,omitempty"`
+	SpanId uint64 `protobuf:"varint,6,opt,name=span_id,json=spanId,proto3" json:"span_id,omitempty"`
 }
 
 func (x *RequestHeader) Reset() {
@@ -281,15 +281,15 @@ func (x *RequestHeader) GetDbname() string {
 }
 
 func (x *RequestHeader) GetTraceId() uint64 {
-	if x != nil && x.TraceId != nil {
+	if x != nil {
-		return *x.TraceId
+		return x.TraceId
 	}
 	return 0
 }
 
 func (x *RequestHeader) GetSpanId() uint64 {
-	if x != nil && x.SpanId != nil {
+	if x != nil {
-		return *x.SpanId
+		return x.SpanId
 	}
 	return 0
 }
@@ -814,7 +814,7 @@ var File_greptime_v1_common_proto protoreflect.FileDescriptor
 var file_greptime_v1_common_proto_rawDesc = []byte{
 	0x0a, 0x18, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x63, 0x6f,
 	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0b, 0x67, 0x72, 0x65, 0x70,
-	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x22, 0xef, 0x01, 0x0a, 0x0d, 0x52, 0x65, 0x71, 0x75,
+	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x22, 0xcc, 0x01, 0x0a, 0x0d, 0x52, 0x65, 0x71, 0x75,
 	0x65, 0x73, 0x74, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x18, 0x0a, 0x07, 0x63, 0x61, 0x74,
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@@ -824,95 +824,93 @@ var file_greptime_v1_common_proto_rawDesc = []byte{
 	0x2e, 0x41, 0x75, 0x74, 0x68, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x0d, 0x61, 0x75, 0x74,
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 }
 
 var (
@@ -1084,7 +1082,6 @@ func file_greptime_v1_common_proto_init() {
 			}
 		}
 	}
-	file_greptime_v1_common_proto_msgTypes[0].OneofWrappers = []interface{}{}
 	file_greptime_v1_common_proto_msgTypes[3].OneofWrappers = []interface{}{
 		(*AuthHeader_Basic)(nil),
 		(*AuthHeader_Token)(nil),

go/greptime/v1/ddl.pb.go

@@ -585,7 +585,7 @@ type FlushTableExpr struct {
 	CatalogName  string   `protobuf:"bytes,1,opt,name=catalog_name,json=catalogName,proto3" json:"catalog_name,omitempty"`
 	SchemaName   string   `protobuf:"bytes,2,opt,name=schema_name,json=schemaName,proto3" json:"schema_name,omitempty"`
 	TableName    string   `protobuf:"bytes,3,opt,name=table_name,json=tableName,proto3" json:"table_name,omitempty"`
-	RegionNumber *uint32  `protobuf:"varint,4,opt,name=region_number,json=regionNumber,proto3,oneof" json:"region_number,omitempty"`
+	RegionNumber uint32   `protobuf:"varint,4,opt,name=region_number,json=regionNumber,proto3" json:"region_number,omitempty"`
 	TableId      *TableId `protobuf:"bytes,5,opt,name=table_id,json=tableId,proto3" json:"table_id,omitempty"`
 }
 
@@ -643,8 +643,8 @@ func (x *FlushTableExpr) GetTableName() string {
 }
 
 func (x *FlushTableExpr) GetRegionNumber() uint32 {
-	if x != nil && x.RegionNumber != nil {
+	if x != nil {
-		return *x.RegionNumber
+		return x.RegionNumber
 	}
 	return 0
 }
@@ -661,10 +661,10 @@ type CompactTableExpr struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	CatalogName  string  `protobuf:"bytes,1,opt,name=catalog_name,json=catalogName,proto3" json:"catalog_name,omitempty"`
+	CatalogName  string `protobuf:"bytes,1,opt,name=catalog_name,json=catalogName,proto3" json:"catalog_name,omitempty"`
-	SchemaName   string  `protobuf:"bytes,2,opt,name=schema_name,json=schemaName,proto3" json:"schema_name,omitempty"`
+	SchemaName   string `protobuf:"bytes,2,opt,name=schema_name,json=schemaName,proto3" json:"schema_name,omitempty"`
-	TableName    string  `protobuf:"bytes,3,opt,name=table_name,json=tableName,proto3" json:"table_name,omitempty"`
+	TableName    string `protobuf:"bytes,3,opt,name=table_name,json=tableName,proto3" json:"table_name,omitempty"`
-	RegionNumber *uint32 `protobuf:"varint,4,opt,name=region_number,json=regionNumber,proto3,oneof" json:"region_number,omitempty"`
+	RegionNumber uint32 `protobuf:"varint,4,opt,name=region_number,json=regionNumber,proto3" json:"region_number,omitempty"`
 }
 
 func (x *CompactTableExpr) Reset() {
@@ -721,8 +721,8 @@ func (x *CompactTableExpr) GetTableName() string {
 }
 
 func (x *CompactTableExpr) GetRegionNumber() uint32 {
-	if x != nil && x.RegionNumber != nil {
+	if x != nil {
-		return *x.RegionNumber
+		return x.RegionNumber
 	}
 	return 0
 }
@@ -1313,7 +1313,7 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
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@@ -1321,84 +1321,81 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1667,8 +1664,6 @@ func file_greptime_v1_ddl_proto_init() {
 		(*AlterExpr_DropColumns)(nil),
 		(*AlterExpr_RenameTable)(nil),
 	}
-	file_greptime_v1_ddl_proto_msgTypes[4].OneofWrappers = []interface{}{}
-	file_greptime_v1_ddl_proto_msgTypes[5].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{

java/src/main/java/io/greptime/v1/Common.java

@@ -551,16 +551,7 @@ public final class Common {
      * TraceID of request
      * </pre>
      *
-     * <code>optional uint64 trace_id = 5;</code>
+     * <code>uint64 trace_id = 5;</code>
-     * @return Whether the traceId field is set.
-     */
-    boolean hasTraceId();
-    /**
-     * <pre>
-     * TraceID of request
-     * </pre>
-     *
-     * <code>optional uint64 trace_id = 5;</code>
      * @return The traceId.
      */
     long getTraceId();
@@ -570,16 +561,7 @@ public final class Common {
      * SpanID of request
      * </pre>
      *
-     * <code>optional uint64 span_id = 6;</code>
+     * <code>uint64 span_id = 6;</code>
-     * @return Whether the spanId field is set.
-     */
-    boolean hasSpanId();
-    /**
-     * <pre>
-     * SpanID of request
-     * </pre>
-     *
-     * <code>optional uint64 span_id = 6;</code>
      * @return The spanId.
      */
     long getSpanId();
@@ -622,7 +604,6 @@ public final class Common {
       if (extensionRegistry == null) {
         throw new java.lang.NullPointerException();
       }
-      int mutable_bitField0_ = 0;
       com.google.protobuf.UnknownFieldSet.Builder unknownFields =
           com.google.protobuf.UnknownFieldSet.newBuilder();
       try {
@@ -665,12 +646,12 @@ public final class Common {
               break;
             }
             case 40: {
-              bitField0_ |= 0x00000001;
+
               traceId_ = input.readUInt64();
               break;
             }
             case 48: {
-              bitField0_ |= 0x00000002;
+
               spanId_ = input.readUInt64();
               break;
             }
@@ -708,7 +689,6 @@ public final class Common {
               io.greptime.v1.Common.RequestHeader.class, io.greptime.v1.Common.RequestHeader.Builder.class);
     }
 
-    private int bitField0_;
     public static final int CATALOG_FIELD_NUMBER = 1;
     private volatile java.lang.Object catalog_;
     /**
@@ -892,19 +872,7 @@ public final class Common {
      * TraceID of request
      * </pre>
      *
-     * <code>optional uint64 trace_id = 5;</code>
+     * <code>uint64 trace_id = 5;</code>
-     * @return Whether the traceId field is set.
-     */
-    @java.lang.Override
-    public boolean hasTraceId() {
-      return ((bitField0_ & 0x00000001) != 0);
-    }
-    /**
-     * <pre>
-     * TraceID of request
-     * </pre>
-     *
-     * <code>optional uint64 trace_id = 5;</code>
      * @return The traceId.
      */
     @java.lang.Override
@@ -919,19 +887,7 @@ public final class Common {
      * SpanID of request
      * </pre>
      *
-     * <code>optional uint64 span_id = 6;</code>
+     * <code>uint64 span_id = 6;</code>
-     * @return Whether the spanId field is set.
-     */
-    @java.lang.Override
-    public boolean hasSpanId() {
-      return ((bitField0_ & 0x00000002) != 0);
-    }
-    /**
-     * <pre>
-     * SpanID of request
-     * </pre>
-     *
-     * <code>optional uint64 span_id = 6;</code>
      * @return The spanId.
      */
     @java.lang.Override
@@ -965,10 +921,10 @@ public final class Common {
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dbname_)) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 4, dbname_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (traceId_ != 0L) {
         output.writeUInt64(5, traceId_);
       }
-      if (((bitField0_ & 0x00000002) != 0)) {
+      if (spanId_ != 0L) {
         output.writeUInt64(6, spanId_);
       }
       unknownFields.writeTo(output);
@@ -993,11 +949,11 @@ public final class Common {
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dbname_)) {
         size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, dbname_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (traceId_ != 0L) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt64Size(5, traceId_);
       }
-      if (((bitField0_ & 0x00000002) != 0)) {
+      if (spanId_ != 0L) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt64Size(6, spanId_);
       }
@@ -1027,16 +983,10 @@ public final class Common {
       }
       if (!getDbname()
           .equals(other.getDbname())) return false;
-      if (hasTraceId() != other.hasTraceId()) return false;
+      if (getTraceId()
-      if (hasTraceId()) {
+          != other.getTraceId()) return false;
-        if (getTraceId()
+      if (getSpanId()
-            != other.getTraceId()) return false;
+          != other.getSpanId()) return false;
-      }
-      if (hasSpanId() != other.hasSpanId()) return false;
-      if (hasSpanId()) {
-        if (getSpanId()
-            != other.getSpanId()) return false;
-      }
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -1058,16 +1008,12 @@ public final class Common {
       }
       hash = (37 * hash) + DBNAME_FIELD_NUMBER;
       hash = (53 * hash) + getDbname().hashCode();
-      if (hasTraceId()) {
+      hash = (37 * hash) + TRACE_ID_FIELD_NUMBER;
-        hash = (37 * hash) + TRACE_ID_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+          getTraceId());
-            getTraceId());
+      hash = (37 * hash) + SPAN_ID_FIELD_NUMBER;
-      }
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-      if (hasSpanId()) {
+          getSpanId());
-        hash = (37 * hash) + SPAN_ID_FIELD_NUMBER;
-        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-            getSpanId());
-      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -1214,9 +1160,9 @@ public final class Common {
         dbname_ = "";
 
         traceId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000001);
+
         spanId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000002);
+
         return this;
       }
 
@@ -1243,8 +1189,6 @@ public final class Common {
       @java.lang.Override
       public io.greptime.v1.Common.RequestHeader buildPartial() {
         io.greptime.v1.Common.RequestHeader result = new io.greptime.v1.Common.RequestHeader(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
         result.catalog_ = catalog_;
         result.schema_ = schema_;
         if (authorizationBuilder_ == null) {
@@ -1253,15 +1197,8 @@ public final class Common {
           result.authorization_ = authorizationBuilder_.build();
         }
         result.dbname_ = dbname_;
-        if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.traceId_ = traceId_;
-          result.traceId_ = traceId_;
+        result.spanId_ = spanId_;
-          to_bitField0_ |= 0x00000001;
-        }
-        if (((from_bitField0_ & 0x00000002) != 0)) {
-          result.spanId_ = spanId_;
-          to_bitField0_ |= 0x00000002;
-        }
-        result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
@@ -1325,10 +1262,10 @@ public final class Common {
           dbname_ = other.dbname_;
           onChanged();
         }
-        if (other.hasTraceId()) {
+        if (other.getTraceId() != 0L) {
           setTraceId(other.getTraceId());
         }
-        if (other.hasSpanId()) {
+        if (other.getSpanId() != 0L) {
           setSpanId(other.getSpanId());
         }
         this.mergeUnknownFields(other.unknownFields);
@@ -1359,7 +1296,6 @@ public final class Common {
         }
         return this;
       }
-      private int bitField0_;
 
       private java.lang.Object catalog_ = "";
       /**
@@ -1810,19 +1746,7 @@ public final class Common {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 5;</code>
+       * <code>uint64 trace_id = 5;</code>
-       * @return Whether the traceId field is set.
-       */
-      @java.lang.Override
-      public boolean hasTraceId() {
-        return ((bitField0_ & 0x00000001) != 0);
-      }
-      /**
-       * <pre>
-       * TraceID of request
-       * </pre>
-       *
-       * <code>optional uint64 trace_id = 5;</code>
        * @return The traceId.
        */
       @java.lang.Override
@@ -1834,12 +1758,12 @@ public final class Common {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 5;</code>
+       * <code>uint64 trace_id = 5;</code>
        * @param value The traceId to set.
        * @return This builder for chaining.
        */
       public Builder setTraceId(long value) {
-        bitField0_ |= 0x00000001;
+        
         traceId_ = value;
         onChanged();
         return this;
@@ -1849,11 +1773,11 @@ public final class Common {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 5;</code>
+       * <code>uint64 trace_id = 5;</code>
        * @return This builder for chaining.
        */
       public Builder clearTraceId() {
-        bitField0_ = (bitField0_ & ~0x00000001);
+        
         traceId_ = 0L;
         onChanged();
         return this;
@@ -1865,19 +1789,7 @@ public final class Common {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 6;</code>
+       * <code>uint64 span_id = 6;</code>
-       * @return Whether the spanId field is set.
-       */
-      @java.lang.Override
-      public boolean hasSpanId() {
-        return ((bitField0_ & 0x00000002) != 0);
-      }
-      /**
-       * <pre>
-       * SpanID of request
-       * </pre>
-       *
-       * <code>optional uint64 span_id = 6;</code>
        * @return The spanId.
        */
       @java.lang.Override
@@ -1889,12 +1801,12 @@ public final class Common {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 6;</code>
+       * <code>uint64 span_id = 6;</code>
        * @param value The spanId to set.
        * @return This builder for chaining.
        */
       public Builder setSpanId(long value) {
-        bitField0_ |= 0x00000002;
+        
         spanId_ = value;
         onChanged();
         return this;
@@ -1904,11 +1816,11 @@ public final class Common {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 6;</code>
+       * <code>uint64 span_id = 6;</code>
        * @return This builder for chaining.
        */
       public Builder clearSpanId() {
-        bitField0_ = (bitField0_ & ~0x00000002);
+        
         spanId_ = 0L;
         onChanged();
         return this;
@@ -8124,40 +8036,39 @@ public final class Common {
   static {
     java.lang.String[] descriptorData = {
       "\n\030greptime/v1/common.proto\022\013greptime.v1\"" +
-      "\266\001\n\rRequestHeader\022\017\n\007catalog\030\001 \001(\t\022\016\n\006sc" +
+      "\223\001\n\rRequestHeader\022\017\n\007catalog\030\001 \001(\t\022\016\n\006sc" +
       "hema\030\002 \001(\t\022.\n\rauthorization\030\003 \001(\0132\027.grep" +
-      "time.v1.AuthHeader\022\016\n\006dbname\030\004 \001(\t\022\025\n\010tr" +
+      "time.v1.AuthHeader\022\016\n\006dbname\030\004 \001(\t\022\020\n\010tr" +
-      "ace_id\030\005 \001(\004H\000\210\001\001\022\024\n\007span_id\030\006 \001(\004H\001\210\001\001B" +
+      "ace_id\030\005 \001(\004\022\017\n\007span_id\030\006 \001(\004\"5\n\016Respons" +
-      "\013\n\t_trace_idB\n\n\010_span_id\"5\n\016ResponseHead" +
+      "eHeader\022#\n\006status\030\001 \001(\0132\023.greptime.v1.St" +
-      "er\022#\n\006status\030\001 \001(\0132\023.greptime.v1.Status\"" +
+      "atus\".\n\006Status\022\023\n\013status_code\030\001 \001(\r\022\017\n\007e" +
-      ".\n\006Status\022\023\n\013status_code\030\001 \001(\r\022\017\n\007err_ms" +
+      "rr_msg\030\002 \001(\t\"e\n\nAuthHeader\022#\n\005basic\030\001 \001(" +
-      "g\030\002 \001(\t\"e\n\nAuthHeader\022#\n\005basic\030\001 \001(\0132\022.g" +
+      "\0132\022.greptime.v1.BasicH\000\022#\n\005token\030\002 \001(\0132\022" +
-      "reptime.v1.BasicH\000\022#\n\005token\030\002 \001(\0132\022.grep" +
+      ".greptime.v1.TokenH\000B\r\n\013auth_scheme\"+\n\005B" +
-      "time.v1.TokenH\000B\r\n\013auth_scheme\"+\n\005Basic\022" +
+      "asic\022\020\n\010username\030\001 \001(\t\022\020\n\010password\030\002 \001(\t" +
-      "\020\n\010username\030\001 \001(\t\022\020\n\010password\030\002 \001(\t\"\026\n\005T" +
+      "\"\026\n\005Token\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows" +
-      "oken\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows\022\r\n\005v" +
+      "\022\r\n\005value\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raff" +
-      "alue\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raffected" +
+      "ected_rows\030\001 \001(\0132\031.greptime.v1.AffectedR" +
-      "_rows\030\001 \001(\0132\031.greptime.v1.AffectedRows\"y" +
+      "ows\"y\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010dataty" +
-      "\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010datatype\030\002 " +
+      "pe\030\002 \001(\0162\033.greptime.v1.ColumnDataType\022\023\n" +
-      "\001(\0162\033.greptime.v1.ColumnDataType\022\023\n\013is_n" +
+      "\013is_nullable\030\003 \001(\010\022\032\n\022default_constraint" +
-      "ullable\030\003 \001(\010\022\032\n\022default_constraint\030\004 \001(" +
+      "\030\004 \001(\014\"I\n\024IntervalMonthDayNano\022\016\n\006months" +
-      "\014\"I\n\024IntervalMonthDayNano\022\016\n\006months\030\001 \001(" +
+      "\030\001 \001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(" +
-      "\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(\003*1\n\014" +
+      "\003*1\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n" +
-      "SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n\tTIME" +
+      "\tTIMESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLE" +
-      "STAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLEAN\020\000\022" +
+      "AN\020\000\022\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005" +
-      "\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005INT64" +
+      "INT64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32" +
-      "\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32\020\007\022\n\n" +
+      "\020\007\022\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n" +
-      "\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n\022\n\n\006B" +
+      "\022\n\n\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DA" +
-      "INARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DATETIM" +
+      "TETIME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMEST" +
-      "E\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMESTAMP_M" +
+      "AMP_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECO" +
-      "ILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECOND\020\021\022" +
+      "ND\020\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_S" +
-      "\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_SECOND" +
+      "ECOND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MI" +
-      "\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MICROSE" +
+      "CROSECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTE" +
-      "COND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTERVAL_" +
+      "RVAL_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030" +
-      "YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030\022\033\n\027I" +
+      "\022\033\n\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.grep" +
-      "NTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.greptime." +
+      "time.v1B\006CommonZ5github.com/GreptimeTeam" +
-      "v1B\006CommonZ5github.com/GreptimeTeam/grep" +
+      "/greptime-proto/go/greptime/v1b\006proto3"
-      "time-proto/go/greptime/v1b\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -8168,7 +8079,7 @@ public final class Common {
     internal_static_greptime_v1_RequestHeader_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_RequestHeader_descriptor,
-        new java.lang.String[] { "Catalog", "Schema", "Authorization", "Dbname", "TraceId", "SpanId", "TraceId", "SpanId", });
+        new java.lang.String[] { "Catalog", "Schema", "Authorization", "Dbname", "TraceId", "SpanId", });
     internal_static_greptime_v1_ResponseHeader_descriptor =
       getDescriptor().getMessageTypes().get(1);
     internal_static_greptime_v1_ResponseHeader_fieldAccessorTable = new

java/src/main/java/io/greptime/v1/Ddl.java

@@ -7870,12 +7870,7 @@ java.lang.String defaultValue);
         getTableNameBytes();
 
     /**
-     * <code>optional uint32 region_number = 4;</code>
+     * <code>uint32 region_number = 4;</code>
-     * @return Whether the regionNumber field is set.
-     */
-    boolean hasRegionNumber();
-    /**
-     * <code>optional uint32 region_number = 4;</code>
      * @return The regionNumber.
      */
     int getRegionNumber();
@@ -7933,7 +7928,6 @@ java.lang.String defaultValue);
       if (extensionRegistry == null) {
         throw new java.lang.NullPointerException();
       }
-      int mutable_bitField0_ = 0;
       com.google.protobuf.UnknownFieldSet.Builder unknownFields =
           com.google.protobuf.UnknownFieldSet.newBuilder();
       try {
@@ -7963,7 +7957,7 @@ java.lang.String defaultValue);
               break;
             }
             case 32: {
-              bitField0_ |= 0x00000001;
+
               regionNumber_ = input.readUInt32();
               break;
             }
@@ -8014,7 +8008,6 @@ java.lang.String defaultValue);
               io.greptime.v1.Ddl.FlushTableExpr.class, io.greptime.v1.Ddl.FlushTableExpr.Builder.class);
     }
 
-    private int bitField0_;
     public static final int CATALOG_NAME_FIELD_NUMBER = 1;
     private volatile java.lang.Object catalogName_;
     /**
@@ -8132,15 +8125,7 @@ java.lang.String defaultValue);
     public static final int REGION_NUMBER_FIELD_NUMBER = 4;
     private int regionNumber_;
     /**
-     * <code>optional uint32 region_number = 4;</code>
+     * <code>uint32 region_number = 4;</code>
-     * @return Whether the regionNumber field is set.
-     */
-    @java.lang.Override
-    public boolean hasRegionNumber() {
-      return ((bitField0_ & 0x00000001) != 0);
-    }
-    /**
-     * <code>optional uint32 region_number = 4;</code>
      * @return The regionNumber.
      */
     @java.lang.Override
@@ -8197,7 +8182,7 @@ java.lang.String defaultValue);
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tableName_)) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 3, tableName_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (regionNumber_ != 0) {
         output.writeUInt32(4, regionNumber_);
       }
       if (tableId_ != null) {
@@ -8221,7 +8206,7 @@ java.lang.String defaultValue);
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tableName_)) {
         size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, tableName_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (regionNumber_ != 0) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt32Size(4, regionNumber_);
       }
@@ -8250,11 +8235,8 @@ java.lang.String defaultValue);
           .equals(other.getSchemaName())) return false;
       if (!getTableName()
           .equals(other.getTableName())) return false;
-      if (hasRegionNumber() != other.hasRegionNumber()) return false;
+      if (getRegionNumber()
-      if (hasRegionNumber()) {
+          != other.getRegionNumber()) return false;
-        if (getRegionNumber()
-            != other.getRegionNumber()) return false;
-      }
       if (hasTableId() != other.hasTableId()) return false;
       if (hasTableId()) {
         if (!getTableId()
@@ -8277,10 +8259,8 @@ java.lang.String defaultValue);
       hash = (53 * hash) + getSchemaName().hashCode();
       hash = (37 * hash) + TABLE_NAME_FIELD_NUMBER;
       hash = (53 * hash) + getTableName().hashCode();
-      if (hasRegionNumber()) {
+      hash = (37 * hash) + REGION_NUMBER_FIELD_NUMBER;
-        hash = (37 * hash) + REGION_NUMBER_FIELD_NUMBER;
+      hash = (53 * hash) + getRegionNumber();
-        hash = (53 * hash) + getRegionNumber();
-      }
       if (hasTableId()) {
         hash = (37 * hash) + TABLE_ID_FIELD_NUMBER;
         hash = (53 * hash) + getTableId().hashCode();
@@ -8425,7 +8405,7 @@ java.lang.String defaultValue);
         tableName_ = "";
 
         regionNumber_ = 0;
-        bitField0_ = (bitField0_ & ~0x00000001);
+
         if (tableIdBuilder_ == null) {
           tableId_ = null;
         } else {
@@ -8458,21 +8438,15 @@ java.lang.String defaultValue);
       @java.lang.Override
       public io.greptime.v1.Ddl.FlushTableExpr buildPartial() {
         io.greptime.v1.Ddl.FlushTableExpr result = new io.greptime.v1.Ddl.FlushTableExpr(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
         result.catalogName_ = catalogName_;
         result.schemaName_ = schemaName_;
         result.tableName_ = tableName_;
-        if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.regionNumber_ = regionNumber_;
-          result.regionNumber_ = regionNumber_;
-          to_bitField0_ |= 0x00000001;
-        }
         if (tableIdBuilder_ == null) {
           result.tableId_ = tableId_;
         } else {
           result.tableId_ = tableIdBuilder_.build();
         }
-        result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
@@ -8533,7 +8507,7 @@ java.lang.String defaultValue);
           tableName_ = other.tableName_;
           onChanged();
         }
-        if (other.hasRegionNumber()) {
+        if (other.getRegionNumber() != 0) {
           setRegionNumber(other.getRegionNumber());
         }
         if (other.hasTableId()) {
@@ -8567,7 +8541,6 @@ java.lang.String defaultValue);
         }
         return this;
       }
-      private int bitField0_;
 
       private java.lang.Object catalogName_ = "";
       /**
@@ -8799,15 +8772,7 @@ java.lang.String defaultValue);
 
       private int regionNumber_ ;
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
-       * @return Whether the regionNumber field is set.
-       */
-      @java.lang.Override
-      public boolean hasRegionNumber() {
-        return ((bitField0_ & 0x00000001) != 0);
-      }
-      /**
-       * <code>optional uint32 region_number = 4;</code>
        * @return The regionNumber.
        */
       @java.lang.Override
@@ -8815,22 +8780,22 @@ java.lang.String defaultValue);
         return regionNumber_;
       }
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
        * @param value The regionNumber to set.
        * @return This builder for chaining.
        */
       public Builder setRegionNumber(int value) {
-        bitField0_ |= 0x00000001;
+        
         regionNumber_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
        * @return This builder for chaining.
        */
       public Builder clearRegionNumber() {
-        bitField0_ = (bitField0_ & ~0x00000001);
+        
         regionNumber_ = 0;
         onChanged();
         return this;
@@ -9048,12 +9013,7 @@ java.lang.String defaultValue);
         getTableNameBytes();
 
     /**
-     * <code>optional uint32 region_number = 4;</code>
+     * <code>uint32 region_number = 4;</code>
-     * @return Whether the regionNumber field is set.
-     */
-    boolean hasRegionNumber();
-    /**
-     * <code>optional uint32 region_number = 4;</code>
      * @return The regionNumber.
      */
     int getRegionNumber();
@@ -9096,7 +9056,6 @@ java.lang.String defaultValue);
       if (extensionRegistry == null) {
         throw new java.lang.NullPointerException();
       }
-      int mutable_bitField0_ = 0;
       com.google.protobuf.UnknownFieldSet.Builder unknownFields =
           com.google.protobuf.UnknownFieldSet.newBuilder();
       try {
@@ -9126,7 +9085,7 @@ java.lang.String defaultValue);
               break;
             }
             case 32: {
-              bitField0_ |= 0x00000001;
+
               regionNumber_ = input.readUInt32();
               break;
             }
@@ -9164,7 +9123,6 @@ java.lang.String defaultValue);
               io.greptime.v1.Ddl.CompactTableExpr.class, io.greptime.v1.Ddl.CompactTableExpr.Builder.class);
     }
 
-    private int bitField0_;
     public static final int CATALOG_NAME_FIELD_NUMBER = 1;
     private volatile java.lang.Object catalogName_;
     /**
@@ -9282,15 +9240,7 @@ java.lang.String defaultValue);
     public static final int REGION_NUMBER_FIELD_NUMBER = 4;
     private int regionNumber_;
     /**
-     * <code>optional uint32 region_number = 4;</code>
+     * <code>uint32 region_number = 4;</code>
-     * @return Whether the regionNumber field is set.
-     */
-    @java.lang.Override
-    public boolean hasRegionNumber() {
-      return ((bitField0_ & 0x00000001) != 0);
-    }
-    /**
-     * <code>optional uint32 region_number = 4;</code>
      * @return The regionNumber.
      */
     @java.lang.Override
@@ -9321,7 +9271,7 @@ java.lang.String defaultValue);
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tableName_)) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 3, tableName_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (regionNumber_ != 0) {
         output.writeUInt32(4, regionNumber_);
       }
       unknownFields.writeTo(output);
@@ -9342,7 +9292,7 @@ java.lang.String defaultValue);
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tableName_)) {
         size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, tableName_);
       }
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (regionNumber_ != 0) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt32Size(4, regionNumber_);
       }
@@ -9367,11 +9317,8 @@ java.lang.String defaultValue);
           .equals(other.getSchemaName())) return false;
       if (!getTableName()
           .equals(other.getTableName())) return false;
-      if (hasRegionNumber() != other.hasRegionNumber()) return false;
+      if (getRegionNumber()
-      if (hasRegionNumber()) {
+          != other.getRegionNumber()) return false;
-        if (getRegionNumber()
-            != other.getRegionNumber()) return false;
-      }
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -9389,10 +9336,8 @@ java.lang.String defaultValue);
       hash = (53 * hash) + getSchemaName().hashCode();
       hash = (37 * hash) + TABLE_NAME_FIELD_NUMBER;
       hash = (53 * hash) + getTableName().hashCode();
-      if (hasRegionNumber()) {
+      hash = (37 * hash) + REGION_NUMBER_FIELD_NUMBER;
-        hash = (37 * hash) + REGION_NUMBER_FIELD_NUMBER;
+      hash = (53 * hash) + getRegionNumber();
-        hash = (53 * hash) + getRegionNumber();
-      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -9533,7 +9478,7 @@ java.lang.String defaultValue);
         tableName_ = "";
 
         regionNumber_ = 0;
-        bitField0_ = (bitField0_ & ~0x00000001);
+
         return this;
       }
 
@@ -9560,16 +9505,10 @@ java.lang.String defaultValue);
       @java.lang.Override
       public io.greptime.v1.Ddl.CompactTableExpr buildPartial() {
         io.greptime.v1.Ddl.CompactTableExpr result = new io.greptime.v1.Ddl.CompactTableExpr(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
         result.catalogName_ = catalogName_;
         result.schemaName_ = schemaName_;
         result.tableName_ = tableName_;
-        if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.regionNumber_ = regionNumber_;
-          result.regionNumber_ = regionNumber_;
-          to_bitField0_ |= 0x00000001;
-        }
-        result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
@@ -9630,7 +9569,7 @@ java.lang.String defaultValue);
           tableName_ = other.tableName_;
           onChanged();
         }
-        if (other.hasRegionNumber()) {
+        if (other.getRegionNumber() != 0) {
           setRegionNumber(other.getRegionNumber());
         }
         this.mergeUnknownFields(other.unknownFields);
@@ -9661,7 +9600,6 @@ java.lang.String defaultValue);
         }
         return this;
       }
-      private int bitField0_;
 
       private java.lang.Object catalogName_ = "";
       /**
@@ -9893,15 +9831,7 @@ java.lang.String defaultValue);
 
       private int regionNumber_ ;
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
-       * @return Whether the regionNumber field is set.
-       */
-      @java.lang.Override
-      public boolean hasRegionNumber() {
-        return ((bitField0_ & 0x00000001) != 0);
-      }
-      /**
-       * <code>optional uint32 region_number = 4;</code>
        * @return The regionNumber.
        */
       @java.lang.Override
@@ -9909,22 +9839,22 @@ java.lang.String defaultValue);
         return regionNumber_;
       }
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
        * @param value The regionNumber to set.
        * @return This builder for chaining.
        */
       public Builder setRegionNumber(int value) {
-        bitField0_ |= 0x00000001;
+        
         regionNumber_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>optional uint32 region_number = 4;</code>
+       * <code>uint32 region_number = 4;</code>
        * @return This builder for chaining.
        */
       public Builder clearRegionNumber() {
-        bitField0_ = (bitField0_ & ~0x00000001);
+        
         regionNumber_ = 0;
         onChanged();
         return this;
@@ -16719,33 +16649,32 @@ java.lang.String defaultValue);
       "(\004B\006\n\004kind\"v\n\rDropTableExpr\022\024\n\014catalog_n" +
       "ame\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_" +
       "name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024.greptime." +
-      "v1.TableId\"\245\001\n\016FlushTableExpr\022\024\n\014catalog" +
+      "v1.TableId\"\216\001\n\016FlushTableExpr\022\024\n\014catalog" +
       "_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntabl" +
-      "e_name\030\003 \001(\t\022\032\n\rregion_number\030\004 \001(\rH\000\210\001\001" +
+      "e_name\030\003 \001(\t\022\025\n\rregion_number\030\004 \001(\r\022&\n\010t" +
-      "\022&\n\010table_id\030\005 \001(\0132\024.greptime.v1.TableId" +
+      "able_id\030\005 \001(\0132\024.greptime.v1.TableId\"h\n\020C" +
-      "B\020\n\016_region_number\"\177\n\020CompactTableExpr\022\024" +
+      "ompactTableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n" +
-      "\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(" +
+      "\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022\025" +
-      "\t\022\022\n\ntable_name\030\003 \001(\t\022\032\n\rregion_number\030\004" +
+      "\n\rregion_number\030\004 \001(\r\"I\n\022CreateDatabaseE" +
-      " \001(\rH\000\210\001\001B\020\n\016_region_number\"I\n\022CreateDat" +
+      "xpr\022\025\n\rdatabase_name\030\001 \001(\t\022\034\n\024create_if_" +
-      "abaseExpr\022\025\n\rdatabase_name\030\001 \001(\t\022\034\n\024crea" +
+      "not_exists\030\002 \001(\010\"z\n\021TruncateTableExpr\022\024\n" +
-      "te_if_not_exists\030\002 \001(\010\"z\n\021TruncateTableE" +
+      "\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t" +
-      "xpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name" +
+      "\022\022\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024" +
-      "\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004" +
+      ".greptime.v1.TableId\"9\n\nAddColumns\022+\n\013ad" +
-      " \001(\0132\024.greptime.v1.TableId\"9\n\nAddColumns" +
+      "d_columns\030\001 \003(\0132\026.greptime.v1.AddColumn\"" +
-      "\022+\n\013add_columns\030\001 \003(\0132\026.greptime.v1.AddC" +
+      "<\n\013DropColumns\022-\n\014drop_columns\030\001 \003(\0132\027.g" +
-      "olumn\"<\n\013DropColumns\022-\n\014drop_columns\030\001 \003" +
+      "reptime.v1.DropColumn\"%\n\013RenameTable\022\026\n\016" +
-      "(\0132\027.greptime.v1.DropColumn\"%\n\013RenameTab" +
+      "new_table_name\030\001 \001(\t\"\215\002\n\tAddColumn\022*\n\nco" +
-      "le\022\026\n\016new_table_name\030\001 \001(\t\"\215\002\n\tAddColumn" +
+      "lumn_def\030\001 \001(\0132\026.greptime.v1.ColumnDef\022\016" +
-      "\022*\n\ncolumn_def\030\001 \001(\0132\026.greptime.v1.Colum" +
+      "\n\006is_key\030\002 \001(\010\0221\n\010location\030\003 \001(\0132\037.grept" +
-      "nDef\022\016\n\006is_key\030\002 \001(\010\0221\n\010location\030\003 \001(\0132\037" +
+      "ime.v1.AddColumn.Location\032\220\001\n\010Location\022C" +
-      ".greptime.v1.AddColumn.Location\032\220\001\n\010Loca" +
+      "\n\rlocation_type\030\001 \001(\0162,.greptime.v1.AddC" +
-      "tion\022C\n\rlocation_type\030\001 \001(\0162,.greptime.v" +
+      "olumn.Location.LocationType\022\031\n\021after_clo" +
-      "1.AddColumn.Location.LocationType\022\031\n\021aft" +
+      "umn_name\030\002 \001(\t\"$\n\014LocationType\022\t\n\005FIRST\020" +
-      "er_cloumn_name\030\002 \001(\t\"$\n\014LocationType\022\t\n\005" +
+      "\000\022\t\n\005AFTER\020\001\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t" +
-      "FIRST\020\000\022\t\n\005AFTER\020\001\"\032\n\nDropColumn\022\014\n\004name" +
+      "\"\025\n\007TableId\022\n\n\002id\030\001 \001(\rBL\n\016io.greptime.v" +
-      "\030\001 \001(\t\"\025\n\007TableId\022\n\n\002id\030\001 \001(\rBL\n\016io.grep" +
+      "1B\003DdlZ5github.com/GreptimeTeam/greptime" +
-      "time.v1B\003DdlZ5github.com/GreptimeTeam/gr" +
+      "-proto/go/greptime/v1b\006proto3"
-      "eptime-proto/go/greptime/v1b\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -16787,13 +16716,13 @@ java.lang.String defaultValue);
     internal_static_greptime_v1_FlushTableExpr_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_FlushTableExpr_descriptor,
-        new java.lang.String[] { "CatalogName", "SchemaName", "TableName", "RegionNumber", "TableId", "RegionNumber", });
+        new java.lang.String[] { "CatalogName", "SchemaName", "TableName", "RegionNumber", "TableId", });
     internal_static_greptime_v1_CompactTableExpr_descriptor =
       getDescriptor().getMessageTypes().get(5);
     internal_static_greptime_v1_CompactTableExpr_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_CompactTableExpr_descriptor,
-        new java.lang.String[] { "CatalogName", "SchemaName", "TableName", "RegionNumber", "RegionNumber", });
+        new java.lang.String[] { "CatalogName", "SchemaName", "TableName", "RegionNumber", });
     internal_static_greptime_v1_CreateDatabaseExpr_descriptor =
       getDescriptor().getMessageTypes().get(6);
     internal_static_greptime_v1_CreateDatabaseExpr_fieldAccessorTable = new

java/src/main/java/io/greptime/v1/region/Server.java

@@ -23,16 +23,7 @@ public final class Server {
      * TraceID of request
      * </pre>
      *
-     * <code>optional uint64 trace_id = 1;</code>
+     * <code>uint64 trace_id = 1;</code>
-     * @return Whether the traceId field is set.
-     */
-    boolean hasTraceId();
-    /**
-     * <pre>
-     * TraceID of request
-     * </pre>
-     *
-     * <code>optional uint64 trace_id = 1;</code>
      * @return The traceId.
      */
     long getTraceId();
@@ -42,16 +33,7 @@ public final class Server {
      * SpanID of request
      * </pre>
      *
-     * <code>optional uint64 span_id = 2;</code>
+     * <code>uint64 span_id = 2;</code>
-     * @return Whether the spanId field is set.
-     */
-    boolean hasSpanId();
-    /**
-     * <pre>
-     * SpanID of request
-     * </pre>
-     *
-     * <code>optional uint64 span_id = 2;</code>
      * @return The spanId.
      */
     long getSpanId();
@@ -91,7 +73,6 @@ public final class Server {
       if (extensionRegistry == null) {
         throw new java.lang.NullPointerException();
       }
-      int mutable_bitField0_ = 0;
       com.google.protobuf.UnknownFieldSet.Builder unknownFields =
           com.google.protobuf.UnknownFieldSet.newBuilder();
       try {
@@ -103,12 +84,12 @@ public final class Server {
               done = true;
               break;
             case 8: {
-              bitField0_ |= 0x00000001;
+
               traceId_ = input.readUInt64();
               break;
             }
             case 16: {
-              bitField0_ |= 0x00000002;
+
               spanId_ = input.readUInt64();
               break;
             }
@@ -146,7 +127,6 @@ public final class Server {
               io.greptime.v1.region.Server.RegionRequestHeader.class, io.greptime.v1.region.Server.RegionRequestHeader.Builder.class);
     }
 
-    private int bitField0_;
     public static final int TRACE_ID_FIELD_NUMBER = 1;
     private long traceId_;
     /**
@@ -154,19 +134,7 @@ public final class Server {
      * TraceID of request
      * </pre>
      *
-     * <code>optional uint64 trace_id = 1;</code>
+     * <code>uint64 trace_id = 1;</code>
-     * @return Whether the traceId field is set.
-     */
-    @java.lang.Override
-    public boolean hasTraceId() {
-      return ((bitField0_ & 0x00000001) != 0);
-    }
-    /**
-     * <pre>
-     * TraceID of request
-     * </pre>
-     *
-     * <code>optional uint64 trace_id = 1;</code>
      * @return The traceId.
      */
     @java.lang.Override
@@ -181,19 +149,7 @@ public final class Server {
      * SpanID of request
      * </pre>
      *
-     * <code>optional uint64 span_id = 2;</code>
+     * <code>uint64 span_id = 2;</code>
-     * @return Whether the spanId field is set.
-     */
-    @java.lang.Override
-    public boolean hasSpanId() {
-      return ((bitField0_ & 0x00000002) != 0);
-    }
-    /**
-     * <pre>
-     * SpanID of request
-     * </pre>
-     *
-     * <code>optional uint64 span_id = 2;</code>
      * @return The spanId.
      */
     @java.lang.Override
@@ -215,10 +171,10 @@ public final class Server {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output)
                         throws java.io.IOException {
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (traceId_ != 0L) {
         output.writeUInt64(1, traceId_);
       }
-      if (((bitField0_ & 0x00000002) != 0)) {
+      if (spanId_ != 0L) {
         output.writeUInt64(2, spanId_);
       }
       unknownFields.writeTo(output);
@@ -230,11 +186,11 @@ public final class Server {
       if (size != -1) return size;
 
       size = 0;
-      if (((bitField0_ & 0x00000001) != 0)) {
+      if (traceId_ != 0L) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt64Size(1, traceId_);
       }
-      if (((bitField0_ & 0x00000002) != 0)) {
+      if (spanId_ != 0L) {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt64Size(2, spanId_);
       }
@@ -253,16 +209,10 @@ public final class Server {
       }
       io.greptime.v1.region.Server.RegionRequestHeader other = (io.greptime.v1.region.Server.RegionRequestHeader) obj;
 
-      if (hasTraceId() != other.hasTraceId()) return false;
+      if (getTraceId()
-      if (hasTraceId()) {
+          != other.getTraceId()) return false;
-        if (getTraceId()
+      if (getSpanId()
-            != other.getTraceId()) return false;
+          != other.getSpanId()) return false;
-      }
-      if (hasSpanId() != other.hasSpanId()) return false;
-      if (hasSpanId()) {
-        if (getSpanId()
-            != other.getSpanId()) return false;
-      }
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -274,16 +224,12 @@ public final class Server {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
-      if (hasTraceId()) {
+      hash = (37 * hash) + TRACE_ID_FIELD_NUMBER;
-        hash = (37 * hash) + TRACE_ID_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+          getTraceId());
-            getTraceId());
+      hash = (37 * hash) + SPAN_ID_FIELD_NUMBER;
-      }
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-      if (hasSpanId()) {
+          getSpanId());
-        hash = (37 * hash) + SPAN_ID_FIELD_NUMBER;
-        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
-            getSpanId());
-      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -418,9 +364,9 @@ public final class Server {
       public Builder clear() {
         super.clear();
         traceId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000001);
+
         spanId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000002);
+
         return this;
       }
 
@@ -447,17 +393,8 @@ public final class Server {
       @java.lang.Override
       public io.greptime.v1.region.Server.RegionRequestHeader buildPartial() {
         io.greptime.v1.region.Server.RegionRequestHeader result = new io.greptime.v1.region.Server.RegionRequestHeader(this);
-        int from_bitField0_ = bitField0_;
+        result.traceId_ = traceId_;
-        int to_bitField0_ = 0;
+        result.spanId_ = spanId_;
-        if (((from_bitField0_ & 0x00000001) != 0)) {
-          result.traceId_ = traceId_;
-          to_bitField0_ |= 0x00000001;
-        }
-        if (((from_bitField0_ & 0x00000002) != 0)) {
-          result.spanId_ = spanId_;
-          to_bitField0_ |= 0x00000002;
-        }
-        result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
@@ -506,10 +443,10 @@ public final class Server {
 
       public Builder mergeFrom(io.greptime.v1.region.Server.RegionRequestHeader other) {
         if (other == io.greptime.v1.region.Server.RegionRequestHeader.getDefaultInstance()) return this;
-        if (other.hasTraceId()) {
+        if (other.getTraceId() != 0L) {
           setTraceId(other.getTraceId());
         }
-        if (other.hasSpanId()) {
+        if (other.getSpanId() != 0L) {
           setSpanId(other.getSpanId());
         }
         this.mergeUnknownFields(other.unknownFields);
@@ -540,7 +477,6 @@ public final class Server {
         }
         return this;
       }
-      private int bitField0_;
 
       private long traceId_ ;
       /**
@@ -548,19 +484,7 @@ public final class Server {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 1;</code>
+       * <code>uint64 trace_id = 1;</code>
-       * @return Whether the traceId field is set.
-       */
-      @java.lang.Override
-      public boolean hasTraceId() {
-        return ((bitField0_ & 0x00000001) != 0);
-      }
-      /**
-       * <pre>
-       * TraceID of request
-       * </pre>
-       *
-       * <code>optional uint64 trace_id = 1;</code>
        * @return The traceId.
        */
       @java.lang.Override
@@ -572,12 +496,12 @@ public final class Server {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 1;</code>
+       * <code>uint64 trace_id = 1;</code>
        * @param value The traceId to set.
        * @return This builder for chaining.
        */
       public Builder setTraceId(long value) {
-        bitField0_ |= 0x00000001;
+        
         traceId_ = value;
         onChanged();
         return this;
@@ -587,11 +511,11 @@ public final class Server {
        * TraceID of request
        * </pre>
        *
-       * <code>optional uint64 trace_id = 1;</code>
+       * <code>uint64 trace_id = 1;</code>
        * @return This builder for chaining.
        */
       public Builder clearTraceId() {
-        bitField0_ = (bitField0_ & ~0x00000001);
+        
         traceId_ = 0L;
         onChanged();
         return this;
@@ -603,19 +527,7 @@ public final class Server {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 2;</code>
+       * <code>uint64 span_id = 2;</code>
-       * @return Whether the spanId field is set.
-       */
-      @java.lang.Override
-      public boolean hasSpanId() {
-        return ((bitField0_ & 0x00000002) != 0);
-      }
-      /**
-       * <pre>
-       * SpanID of request
-       * </pre>
-       *
-       * <code>optional uint64 span_id = 2;</code>
        * @return The spanId.
        */
       @java.lang.Override
@@ -627,12 +539,12 @@ public final class Server {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 2;</code>
+       * <code>uint64 span_id = 2;</code>
        * @param value The spanId to set.
        * @return This builder for chaining.
        */
       public Builder setSpanId(long value) {
-        bitField0_ |= 0x00000002;
+        
         spanId_ = value;
         onChanged();
         return this;
@@ -642,11 +554,11 @@ public final class Server {
        * SpanID of request
        * </pre>
        *
-       * <code>optional uint64 span_id = 2;</code>
+       * <code>uint64 span_id = 2;</code>
        * @return This builder for chaining.
        */
       public Builder clearSpanId() {
-        bitField0_ = (bitField0_ & ~0x00000002);
+        
         spanId_ = 0L;
         onChanged();
         return this;
@@ -7801,7 +7713,7 @@ public final class Server {
 
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -7810,7 +7722,7 @@ public final class Server {
     java.util.List<java.lang.Integer> getPrimaryKeyList();
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -7819,7 +7731,7 @@ public final class Server {
     int getPrimaryKeyCount();
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -8204,7 +8116,7 @@ java.lang.String defaultValue);
     private com.google.protobuf.Internal.IntList primaryKey_;
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -8217,7 +8129,7 @@ java.lang.String defaultValue);
     }
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -8228,7 +8140,7 @@ java.lang.String defaultValue);
     }
     /**
      * <pre>
-     * Columns in the primary key.
+     * Id of columns in the primary key.
      * </pre>
      *
      * <code>repeated uint32 primary_key = 4;</code>
@@ -9354,7 +9266,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9367,7 +9279,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9378,7 +9290,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9390,7 +9302,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9407,7 +9319,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9422,7 +9334,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -9439,7 +9351,7 @@ java.lang.String defaultValue);
       }
       /**
        * <pre>
-       * Columns in the primary key.
+       * Id of columns in the primary key.
        * </pre>
        *
        * <code>repeated uint32 primary_key = 4;</code>
@@ -14622,59 +14534,59 @@ java.lang.String defaultValue);
     java.lang.String[] descriptorData = {
       "\n\037greptime/v1/region/server.proto\022\022grept" +
       "ime.v1.region\032\030greptime/v1/common.proto\032" +
-      "\025greptime/v1/row.proto\"[\n\023RegionRequestH" +
+      "\025greptime/v1/row.proto\"8\n\023RegionRequestH" +
-      "eader\022\025\n\010trace_id\030\001 \001(\004H\000\210\001\001\022\024\n\007span_id\030" +
+      "eader\022\020\n\010trace_id\030\001 \001(\004\022\017\n\007span_id\030\002 \001(\004" +
-      "\002 \001(\004H\001\210\001\001B\013\n\t_trace_idB\n\n\010_span_id\"\245\004\n\r" +
+      "\"\245\004\n\rRegionRequest\0227\n\006header\030\001 \001(\0132\'.gre" +
-      "RegionRequest\0227\n\006header\030\001 \001(\0132\'.greptime" +
+      "ptime.v1.region.RegionRequestHeader\0225\n\007i" +
-      ".v1.region.RegionRequestHeader\0225\n\007insert" +
+      "nserts\030\003 \001(\0132\".greptime.v1.region.Insert" +
-      "s\030\003 \001(\0132\".greptime.v1.region.InsertReque" +
+      "RequestsH\000\0225\n\007deletes\030\004 \001(\0132\".greptime.v" +
-      "stsH\000\0225\n\007deletes\030\004 \001(\0132\".greptime.v1.reg" +
+      "1.region.DeleteRequestsH\000\0223\n\006create\030\005 \001(" +
-      "ion.DeleteRequestsH\000\0223\n\006create\030\005 \001(\0132!.g" +
+      "\0132!.greptime.v1.region.CreateRequestH\000\022/" +
-      "reptime.v1.region.CreateRequestH\000\022/\n\004dro" +
+      "\n\004drop\030\006 \001(\0132\037.greptime.v1.region.DropRe" +
-      "p\030\006 \001(\0132\037.greptime.v1.region.DropRequest" +
+      "questH\000\022/\n\004open\030\007 \001(\0132\037.greptime.v1.regi" +
-      "H\000\022/\n\004open\030\007 \001(\0132\037.greptime.v1.region.Op" +
+      "on.OpenRequestH\000\0221\n\005close\030\010 \001(\0132 .grepti" +
-      "enRequestH\000\0221\n\005close\030\010 \001(\0132 .greptime.v1" +
+      "me.v1.region.CloseRequestH\000\0221\n\005alter\030\t \001" +
-      ".region.CloseRequestH\000\0221\n\005alter\030\t \001(\0132 ." +
+      "(\0132 .greptime.v1.region.AlterRequestH\000\0221" +
-      "greptime.v1.region.AlterRequestH\000\0221\n\005flu" +
+      "\n\005flush\030\n \001(\0132 .greptime.v1.region.Flush" +
-      "sh\030\n \001(\0132 .greptime.v1.region.FlushReque" +
+      "RequestH\000\0225\n\007compact\030\013 \001(\0132\".greptime.v1" +
-      "stH\000\0225\n\007compact\030\013 \001(\0132\".greptime.v1.regi" +
+      ".region.CompactRequestH\000B\006\n\004body\"T\n\016Regi" +
-      "on.CompactRequestH\000B\006\n\004body\"T\n\016RegionRes" +
+      "onResponse\022+\n\006header\030\001 \001(\0132\033.greptime.v1" +
-      "ponse\022+\n\006header\030\001 \001(\0132\033.greptime.v1.Resp" +
+      ".ResponseHeader\022\025\n\raffected_rows\030\002 \001(\004\"E" +
-      "onseHeader\022\025\n\raffected_rows\030\002 \001(\004\"E\n\016Ins" +
+      "\n\016InsertRequests\0223\n\010requests\030\001 \003(\0132!.gre" +
-      "ertRequests\0223\n\010requests\030\001 \003(\0132!.greptime" +
+      "ptime.v1.region.InsertRequest\"E\n\016DeleteR" +
-      ".v1.region.InsertRequest\"E\n\016DeleteReques" +
+      "equests\0223\n\010requests\030\001 \003(\0132!.greptime.v1." +
-      "ts\0223\n\010requests\030\001 \003(\0132!.greptime.v1.regio" +
+      "region.DeleteRequest\"C\n\rInsertRequest\022\021\n" +
-      "n.DeleteRequest\"C\n\rInsertRequest\022\021\n\tregi" +
+      "\tregion_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptim" +
-      "on_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1." +
+      "e.v1.Rows\"C\n\rDeleteRequest\022\021\n\tregion_id\030" +
-      "Rows\"C\n\rDeleteRequest\022\021\n\tregion_id\030\001 \001(\004" +
+      "\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1.Rows\"/" +
-      "\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1.Rows\"/\n\014Que" +
+      "\n\014QueryRequest\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004pla" +
-      "ryRequest\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004plan\030\002 \001" +
+      "n\030\002 \001(\014\"\236\002\n\rCreateRequest\022\021\n\tregion_id\030\001" +
-      "(\014\"\236\002\n\rCreateRequest\022\021\n\tregion_id\030\001 \001(\004\022" +
+      " \001(\004\022\016\n\006engine\030\002 \001(\t\0222\n\013column_defs\030\003 \003(" +
-      "\016\n\006engine\030\002 \001(\t\0222\n\013column_defs\030\003 \003(\0132\035.g" +
+      "\0132\035.greptime.v1.region.ColumnDef\022\023\n\013prim" +
-      "reptime.v1.region.ColumnDef\022\023\n\013primary_k" +
+      "ary_key\030\004 \003(\r\022\034\n\024create_if_not_exists\030\005 " +
-      "ey\030\004 \003(\r\022\034\n\024create_if_not_exists\030\005 \001(\010\022\022" +
+      "\001(\010\022\022\n\nregion_dir\030\006 \001(\t\022?\n\007options\030\007 \003(\013" +
-      "\n\nregion_dir\030\006 \001(\t\022?\n\007options\030\007 \003(\0132..gr" +
+      "2..greptime.v1.region.CreateRequest.Opti" +
-      "eptime.v1.region.CreateRequest.OptionsEn" +
+      "onsEntry\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n" +
-      "try\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005valu" +
+      "\005value\030\002 \001(\t:\0028\001\" \n\013DropRequest\022\021\n\tregio" +
-      "e\030\002 \001(\t:\0028\001\" \n\013DropRequest\022\021\n\tregion_id\030" +
+      "n_id\030\001 \001(\004\"\263\001\n\013OpenRequest\022\021\n\tregion_id\030" +
-      "\001 \001(\004\"\263\001\n\013OpenRequest\022\021\n\tregion_id\030\001 \001(\004" +
+      "\001 \001(\004\022\016\n\006engine\030\002 \001(\t\022\022\n\nregion_dir\030\003 \001(" +
-      "\022\016\n\006engine\030\002 \001(\t\022\022\n\nregion_dir\030\003 \001(\t\022=\n\007" +
+      "\t\022=\n\007options\030\004 \003(\0132,.greptime.v1.region." +
-      "options\030\004 \003(\0132,.greptime.v1.region.OpenR" +
+      "OpenRequest.OptionsEntry\032.\n\014OptionsEntry" +
-      "equest.OptionsEntry\032.\n\014OptionsEntry\022\013\n\003k" +
+      "\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014Clos" +
-      "ey\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014CloseRequ" +
+      "eRequest\022\021\n\tregion_id\030\001 \001(\004\"!\n\014AlterRequ" +
-      "est\022\021\n\tregion_id\030\001 \001(\004\"!\n\014AlterRequest\022\021" +
+      "est\022\021\n\tregion_id\030\001 \001(\004\"!\n\014FlushRequest\022\021" +
-      "\n\tregion_id\030\001 \001(\004\"!\n\014FlushRequest\022\021\n\treg" +
+      "\n\tregion_id\030\001 \001(\004\"#\n\016CompactRequest\022\021\n\tr" +
-      "ion_id\030\001 \001(\004\"#\n\016CompactRequest\022\021\n\tregion" +
+      "egion_id\030\001 \001(\004\"\276\001\n\tColumnDef\022\014\n\004name\030\001 \001" +
-      "_id\030\001 \001(\004\"\276\001\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022\021\n" +
+      "(\t\022\021\n\tcolumn_id\030\002 \001(\r\022-\n\010datatype\030\003 \001(\0162" +
-      "\tcolumn_id\030\002 \001(\r\022-\n\010datatype\030\003 \001(\0162\033.gre" +
+      "\033.greptime.v1.ColumnDataType\022\023\n\013is_nulla" +
-      "ptime.v1.ColumnDataType\022\023\n\013is_nullable\030\004" +
+      "ble\030\004 \001(\010\022\032\n\022default_constraint\030\005 \001(\014\0220\n" +
-      " \001(\010\022\032\n\022default_constraint\030\005 \001(\014\0220\n\rsema" +
+      "\rsemantic_type\030\006 \001(\0162\031.greptime.v1.Seman" +
-      "ntic_type\030\006 \001(\0162\031.greptime.v1.SemanticTy" +
+      "ticType2Y\n\006Region\022O\n\006Handle\022!.greptime.v" +
-      "pe2Y\n\006Region\022O\n\006Handle\022!.greptime.v1.reg" +
+      "1.region.RegionRequest\032\".greptime.v1.reg" +
-      "ion.RegionRequest\032\".greptime.v1.region.R" +
+      "ion.RegionResponseB]\n\025io.greptime.v1.reg" +
-      "egionResponseB]\n\025io.greptime.v1.regionB\006" +
+      "ionB\006ServerZ<github.com/GreptimeTeam/gre" +
-      "ServerZ<github.com/GreptimeTeam/greptime" +
+      "ptime-proto/go/greptime/v1/regionb\006proto" +
-      "-proto/go/greptime/v1/regionb\006proto3"
+      "3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -14687,7 +14599,7 @@ java.lang.String defaultValue);
     internal_static_greptime_v1_region_RegionRequestHeader_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_region_RegionRequestHeader_descriptor,
-        new java.lang.String[] { "TraceId", "SpanId", "TraceId", "SpanId", });
+        new java.lang.String[] { "TraceId", "SpanId", });
     internal_static_greptime_v1_region_RegionRequest_descriptor =
       getDescriptor().getMessageTypes().get(1);
     internal_static_greptime_v1_region_RegionRequest_fieldAccessorTable = new

proto/greptime/v1/common.proto

@@ -30,9 +30,9 @@ message RequestHeader {
   // The `dbname` for the request
   string dbname = 4;
   // TraceID of request
-  optional uint64 trace_id = 5;
+  uint64 trace_id = 5;
   // SpanID of request
-  optional uint64 span_id = 6;
+  uint64 span_id = 6;
 }
 
 message ResponseHeader { Status status = 1; }

proto/greptime/v1/ddl.proto

@@ -78,7 +78,7 @@ message FlushTableExpr {
   string catalog_name = 1;
   string schema_name = 2;
   string table_name = 3;
-  optional uint32 region_number = 4;
+  uint32 region_number = 4;
   TableId table_id = 5;
 }
 
@@ -86,7 +86,7 @@ message CompactTableExpr {
   string catalog_name = 1;
   string schema_name = 2;
   string table_name = 3;
-  optional uint32 region_number = 4;
+  uint32 region_number = 4;
 }
 
 message CreateDatabaseExpr {

proto/greptime/v1/region/server.proto

@@ -27,9 +27,9 @@ service Region { rpc Handle(RegionRequest) returns (RegionResponse); }
 
 message RegionRequestHeader {
   // TraceID of request
-  optional uint64 trace_id = 1;
+  uint64 trace_id = 1;
   // SpanID of request
-  optional uint64 span_id = 2;
+  uint64 span_id = 2;
 }
 
 message RegionRequest {