feat: distributed alter table in region server (#97)

* feat: alter region request

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

@@ -134,22 +134,6 @@ struct FlightMetadataDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 FlightMetadataDefaultTypeInternal _FlightMetadata_default_instance_;
-PROTOBUF_CONSTEXPR ColumnDef::ColumnDef(
-    ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_.name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_.default_constraint_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
-  , /*decltype(_impl_.datatype_)*/0
-  , /*decltype(_impl_.is_nullable_)*/false
-  , /*decltype(_impl_._cached_size_)*/{}} {}
-struct ColumnDefDefaultTypeInternal {
-  PROTOBUF_CONSTEXPR ColumnDefDefaultTypeInternal()
-      : _instance(::_pbi::ConstantInitialized{}) {}
-  ~ColumnDefDefaultTypeInternal() {}
-  union {
-    ColumnDef _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 ColumnDefDefaultTypeInternal _ColumnDef_default_instance_;
 PROTOBUF_CONSTEXPR IntervalMonthDayNano::IntervalMonthDayNano(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.months_)*/0
@@ -167,7 +151,7 @@ struct IntervalMonthDayNanoDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 IntervalMonthDayNanoDefaultTypeInternal _IntervalMonthDayNano_default_instance_;
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fcommon_2eproto[10];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fcommon_2eproto[9];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fcommon_2eproto[2];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fcommon_2eproto = nullptr;
 
@@ -238,16 +222,6 @@ const uint32_t TableStruct_greptime_2fv1_2fcommon_2eproto::offsets[] PROTOBUF_SE
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::FlightMetadata, _impl_.affected_rows_),
   ~0u,  // no _has_bits_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _internal_metadata_),
-  ~0u,  // no _extensions_
-  ~0u,  // no _oneof_case_
-  ~0u,  // no _weak_field_map_
-  ~0u,  // no _inlined_string_donated_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _impl_.name_),
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _impl_.datatype_),
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _impl_.is_nullable_),
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _impl_.default_constraint_),
-  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::IntervalMonthDayNano, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -266,8 +240,7 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 44, -1, -1, sizeof(::greptime::v1::Token)},
   { 51, -1, -1, sizeof(::greptime::v1::AffectedRows)},
   { 58, -1, -1, sizeof(::greptime::v1::FlightMetadata)},
-  { 65, -1, -1, sizeof(::greptime::v1::ColumnDef)},
+  { 65, -1, -1, sizeof(::greptime::v1::IntervalMonthDayNano)},
-  { 75, -1, -1, sizeof(::greptime::v1::IntervalMonthDayNano)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -279,7 +252,6 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::_Token_default_instance_._instance,
   &::greptime::v1::_AffectedRows_default_instance_._instance,
   &::greptime::v1::_FlightMetadata_default_instance_._instance,
-  &::greptime::v1::_ColumnDef_default_instance_._instance,
   &::greptime::v1::_IntervalMonthDayNano_default_instance_._instance,
 };
 
@@ -298,32 +270,29 @@ const char descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto[] PROTOBUF_S
   "\"\026\n\005Token\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows"
   "\022\r\n\005value\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raff"
   "ected_rows\030\001 \001(\0132\031.greptime.v1.AffectedR"
-  "ows\"y\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010dataty"
+  "ows\"I\n\024IntervalMonthDayNano\022\016\n\006months\030\001 "
-  "pe\030\002 \001(\0162\033.greptime.v1.ColumnDataType\022\023\n"
+  "\001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(\003*1"
-  "\013is_nullable\030\003 \001(\010\022\032\n\022default_constraint"
+  "\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n\tTI"
-  "\030\004 \001(\014\"I\n\024IntervalMonthDayNano\022\016\n\006months"
+  "MESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLEAN\020"
-  "\030\001 \001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001("
+  "\000\022\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005INT"
-  "\003*1\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n"
+  "64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32\020\007\022"
-  "\tTIMESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLE"
+  "\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n\022\n\n"
-  "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"
+  "\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DATET"
-  "INT64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32"
+  "IME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMESTAMP"
-  "\020\007\022\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n"
+  "_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECOND\020"
-  "\022\n\n\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DA"
+  "\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_SECO"
-  "TETIME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMEST"
+  "ND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MICRO"
-  "AMP_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECO"
+  "SECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTERVA"
-  "ND\020\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_S"
+  "L_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030\022\033\n"
-  "ECOND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MI"
+  "\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.greptim"
-  "CROSECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTE"
+  "e.v1B\006CommonZ5github.com/GreptimeTeam/gr"
-  "RVAL_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030"
+  "eptime-proto/go/greptime/v1b\006proto3"
-  "\022\033\n\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.grep"
-  "time.v1B\006CommonZ5github.com/GreptimeTeam"
-  "/greptime-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, 1358, descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto,
+    false, false, 1235, descriptor_table_protodef_greptime_2fv1_2fcommon_2eproto,
     "greptime/v1/common.proto",
-    &descriptor_table_greptime_2fv1_2fcommon_2eproto_once, nullptr, 0, 10,
+    &descriptor_table_greptime_2fv1_2fcommon_2eproto_once, nullptr, 0, 9,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fcommon_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fcommon_2eproto, file_level_enum_descriptors_greptime_2fv1_2fcommon_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fcommon_2eproto,
@@ -2351,317 +2320,6 @@ void FlightMetadata::InternalSwap(FlightMetadata* other) {
 
 // ===================================================================
 
-class ColumnDef::_Internal {
- public:
-};
-
-ColumnDef::ColumnDef(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
-  SharedCtor(arena, is_message_owned);
-  // @@protoc_insertion_point(arena_constructor:greptime.v1.ColumnDef)
-}
-ColumnDef::ColumnDef(const ColumnDef& from)
-  : ::PROTOBUF_NAMESPACE_ID::Message() {
-  ColumnDef* const _this = this; (void)_this;
-  new (&_impl_) Impl_{
-      decltype(_impl_.name_){}
-    , decltype(_impl_.default_constraint_){}
-    , decltype(_impl_.datatype_){}
-    , decltype(_impl_.is_nullable_){}
-    , /*decltype(_impl_._cached_size_)*/{}};
-
-  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-  _impl_.name_.InitDefault();
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    _impl_.name_.Set("", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (!from._internal_name().empty()) {
-    _this->_impl_.name_.Set(from._internal_name(), 
-      _this->GetArenaForAllocation());
-  }
-  _impl_.default_constraint_.InitDefault();
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    _impl_.default_constraint_.Set("", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (!from._internal_default_constraint().empty()) {
-    _this->_impl_.default_constraint_.Set(from._internal_default_constraint(), 
-      _this->GetArenaForAllocation());
-  }
-  ::memcpy(&_impl_.datatype_, &from._impl_.datatype_,
-    static_cast<size_t>(reinterpret_cast<char*>(&_impl_.is_nullable_) -
-    reinterpret_cast<char*>(&_impl_.datatype_)) + sizeof(_impl_.is_nullable_));
-  // @@protoc_insertion_point(copy_constructor:greptime.v1.ColumnDef)
-}
-
-inline void ColumnDef::SharedCtor(
-    ::_pb::Arena* arena, bool is_message_owned) {
-  (void)arena;
-  (void)is_message_owned;
-  new (&_impl_) Impl_{
-      decltype(_impl_.name_){}
-    , decltype(_impl_.default_constraint_){}
-    , decltype(_impl_.datatype_){0}
-    , decltype(_impl_.is_nullable_){false}
-    , /*decltype(_impl_._cached_size_)*/{}
-  };
-  _impl_.name_.InitDefault();
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    _impl_.name_.Set("", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  _impl_.default_constraint_.InitDefault();
-  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-    _impl_.default_constraint_.Set("", GetArenaForAllocation());
-  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-}
-
-ColumnDef::~ColumnDef() {
-  // @@protoc_insertion_point(destructor:greptime.v1.ColumnDef)
-  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
-  (void)arena;
-    return;
-  }
-  SharedDtor();
-}
-
-inline void ColumnDef::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-  _impl_.name_.Destroy();
-  _impl_.default_constraint_.Destroy();
-}
-
-void ColumnDef::SetCachedSize(int size) const {
-  _impl_._cached_size_.Set(size);
-}
-
-void ColumnDef::Clear() {
-// @@protoc_insertion_point(message_clear_start:greptime.v1.ColumnDef)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  _impl_.name_.ClearToEmpty();
-  _impl_.default_constraint_.ClearToEmpty();
-  ::memset(&_impl_.datatype_, 0, static_cast<size_t>(
-      reinterpret_cast<char*>(&_impl_.is_nullable_) -
-      reinterpret_cast<char*>(&_impl_.datatype_)) + sizeof(_impl_.is_nullable_));
-  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
-}
-
-const char* ColumnDef::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::_pbi::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // string name = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
-          auto str = _internal_mutable_name();
-          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-          CHK_(::_pbi::VerifyUTF8(str, "greptime.v1.ColumnDef.name"));
-        } else
-          goto handle_unusual;
-        continue;
-      // .greptime.v1.ColumnDataType datatype = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
-          uint64_t val = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
-          CHK_(ptr);
-          _internal_set_datatype(static_cast<::greptime::v1::ColumnDataType>(val));
-        } else
-          goto handle_unusual;
-        continue;
-      // bool is_nullable = 3;
-      case 3:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 24)) {
-          _impl_.is_nullable_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      // bytes default_constraint = 4;
-      case 4:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
-          auto str = _internal_mutable_default_constraint();
-          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* ColumnDef::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.ColumnDef)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  // string name = 1;
-  if (!this->_internal_name().empty()) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-      this->_internal_name().data(), static_cast<int>(this->_internal_name().length()),
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
-      "greptime.v1.ColumnDef.name");
-    target = stream->WriteStringMaybeAliased(
-        1, this->_internal_name(), target);
-  }
-
-  // .greptime.v1.ColumnDataType datatype = 2;
-  if (this->_internal_datatype() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteEnumToArray(
-      2, this->_internal_datatype(), target);
-  }
-
-  // bool is_nullable = 3;
-  if (this->_internal_is_nullable() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteBoolToArray(3, this->_internal_is_nullable(), target);
-  }
-
-  // bytes default_constraint = 4;
-  if (!this->_internal_default_constraint().empty()) {
-    target = stream->WriteBytesMaybeAliased(
-        4, this->_internal_default_constraint(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
-        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.ColumnDef)
-  return target;
-}
-
-size_t ColumnDef::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:greptime.v1.ColumnDef)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  // string name = 1;
-  if (!this->_internal_name().empty()) {
-    total_size += 1 +
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-        this->_internal_name());
-  }
-
-  // bytes default_constraint = 4;
-  if (!this->_internal_default_constraint().empty()) {
-    total_size += 1 +
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
-        this->_internal_default_constraint());
-  }
-
-  // .greptime.v1.ColumnDataType datatype = 2;
-  if (this->_internal_datatype() != 0) {
-    total_size += 1 +
-      ::_pbi::WireFormatLite::EnumSize(this->_internal_datatype());
-  }
-
-  // bool is_nullable = 3;
-  if (this->_internal_is_nullable() != 0) {
-    total_size += 1 + 1;
-  }
-
-  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
-}
-
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData ColumnDef::_class_data_ = {
-    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
-    ColumnDef::MergeImpl
-};
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*ColumnDef::GetClassData() const { return &_class_data_; }
-
-
-void ColumnDef::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
-  auto* const _this = static_cast<ColumnDef*>(&to_msg);
-  auto& from = static_cast<const ColumnDef&>(from_msg);
-  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.ColumnDef)
-  GOOGLE_DCHECK_NE(&from, _this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  if (!from._internal_name().empty()) {
-    _this->_internal_set_name(from._internal_name());
-  }
-  if (!from._internal_default_constraint().empty()) {
-    _this->_internal_set_default_constraint(from._internal_default_constraint());
-  }
-  if (from._internal_datatype() != 0) {
-    _this->_internal_set_datatype(from._internal_datatype());
-  }
-  if (from._internal_is_nullable() != 0) {
-    _this->_internal_set_is_nullable(from._internal_is_nullable());
-  }
-  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-}
-
-void ColumnDef::CopyFrom(const ColumnDef& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.ColumnDef)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool ColumnDef::IsInitialized() const {
-  return true;
-}
-
-void ColumnDef::InternalSwap(ColumnDef* other) {
-  using std::swap;
-  auto* lhs_arena = GetArenaForAllocation();
-  auto* rhs_arena = other->GetArenaForAllocation();
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &_impl_.name_, lhs_arena,
-      &other->_impl_.name_, rhs_arena
-  );
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
-      &_impl_.default_constraint_, lhs_arena,
-      &other->_impl_.default_constraint_, rhs_arena
-  );
-  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
-      PROTOBUF_FIELD_OFFSET(ColumnDef, _impl_.is_nullable_)
-      + sizeof(ColumnDef::_impl_.is_nullable_)
-      - PROTOBUF_FIELD_OFFSET(ColumnDef, _impl_.datatype_)>(
-          reinterpret_cast<char*>(&_impl_.datatype_),
-          reinterpret_cast<char*>(&other->_impl_.datatype_));
-}
-
-::PROTOBUF_NAMESPACE_ID::Metadata ColumnDef::GetMetadata() const {
-  return ::_pbi::AssignDescriptors(
-      &descriptor_table_greptime_2fv1_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fcommon_2eproto[8]);
-}
-
-// ===================================================================
-
 class IntervalMonthDayNano::_Internal {
  public:
 };
@@ -2892,7 +2550,7 @@ void IntervalMonthDayNano::InternalSwap(IntervalMonthDayNano* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata IntervalMonthDayNano::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fcommon_2eproto[9]);
+      file_level_metadata_greptime_2fv1_2fcommon_2eproto[8]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -2931,10 +2589,6 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::FlightMetadata*
 Arena::CreateMaybeMessage< ::greptime::v1::FlightMetadata >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::FlightMetadata >(arena);
 }
-template<> PROTOBUF_NOINLINE ::greptime::v1::ColumnDef*
-Arena::CreateMaybeMessage< ::greptime::v1::ColumnDef >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::greptime::v1::ColumnDef >(arena);
-}
 template<> PROTOBUF_NOINLINE ::greptime::v1::IntervalMonthDayNano*
 Arena::CreateMaybeMessage< ::greptime::v1::IntervalMonthDayNano >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::IntervalMonthDayNano >(arena);

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

@@ -56,9 +56,6 @@ extern AuthHeaderDefaultTypeInternal _AuthHeader_default_instance_;
 class Basic;
 struct BasicDefaultTypeInternal;
 extern BasicDefaultTypeInternal _Basic_default_instance_;
-class ColumnDef;
-struct ColumnDefDefaultTypeInternal;
-extern ColumnDefDefaultTypeInternal _ColumnDef_default_instance_;
 class FlightMetadata;
 struct FlightMetadataDefaultTypeInternal;
 extern FlightMetadataDefaultTypeInternal _FlightMetadata_default_instance_;
@@ -83,7 +80,6 @@ PROTOBUF_NAMESPACE_OPEN
 template<> ::greptime::v1::AffectedRows* Arena::CreateMaybeMessage<::greptime::v1::AffectedRows>(Arena*);
 template<> ::greptime::v1::AuthHeader* Arena::CreateMaybeMessage<::greptime::v1::AuthHeader>(Arena*);
 template<> ::greptime::v1::Basic* Arena::CreateMaybeMessage<::greptime::v1::Basic>(Arena*);
-template<> ::greptime::v1::ColumnDef* Arena::CreateMaybeMessage<::greptime::v1::ColumnDef>(Arena*);
 template<> ::greptime::v1::FlightMetadata* Arena::CreateMaybeMessage<::greptime::v1::FlightMetadata>(Arena*);
 template<> ::greptime::v1::IntervalMonthDayNano* Arena::CreateMaybeMessage<::greptime::v1::IntervalMonthDayNano>(Arena*);
 template<> ::greptime::v1::RequestHeader* Arena::CreateMaybeMessage<::greptime::v1::RequestHeader>(Arena*);
@@ -1542,197 +1538,6 @@ class FlightMetadata final :
 };
 // -------------------------------------------------------------------
 
-class ColumnDef final :
-    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.ColumnDef) */ {
- public:
-  inline ColumnDef() : ColumnDef(nullptr) {}
-  ~ColumnDef() override;
-  explicit PROTOBUF_CONSTEXPR ColumnDef(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
-
-  ColumnDef(const ColumnDef& from);
-  ColumnDef(ColumnDef&& from) noexcept
-    : ColumnDef() {
-    *this = ::std::move(from);
-  }
-
-  inline ColumnDef& operator=(const ColumnDef& from) {
-    CopyFrom(from);
-    return *this;
-  }
-  inline ColumnDef& operator=(ColumnDef&& from) noexcept {
-    if (this == &from) return *this;
-    if (GetOwningArena() == from.GetOwningArena()
-  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
-        && GetOwningArena() != nullptr
-  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
-    ) {
-      InternalSwap(&from);
-    } else {
-      CopyFrom(from);
-    }
-    return *this;
-  }
-
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
-    return GetDescriptor();
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
-    return default_instance().GetMetadata().descriptor;
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
-    return default_instance().GetMetadata().reflection;
-  }
-  static const ColumnDef& default_instance() {
-    return *internal_default_instance();
-  }
-  static inline const ColumnDef* internal_default_instance() {
-    return reinterpret_cast<const ColumnDef*>(
-               &_ColumnDef_default_instance_);
-  }
-  static constexpr int kIndexInFileMessages =
-    8;
-
-  friend void swap(ColumnDef& a, ColumnDef& b) {
-    a.Swap(&b);
-  }
-  inline void Swap(ColumnDef* other) {
-    if (other == this) return;
-  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() != nullptr &&
-        GetOwningArena() == other->GetOwningArena()) {
-   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() == other->GetOwningArena()) {
-  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
-      InternalSwap(other);
-    } else {
-      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
-    }
-  }
-  void UnsafeArenaSwap(ColumnDef* other) {
-    if (other == this) return;
-    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
-    InternalSwap(other);
-  }
-
-  // implements Message ----------------------------------------------
-
-  ColumnDef* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
-    return CreateMaybeMessage<ColumnDef>(arena);
-  }
-  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
-  void CopyFrom(const ColumnDef& from);
-  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
-  void MergeFrom( const ColumnDef& from) {
-    ColumnDef::MergeImpl(*this, from);
-  }
-  private:
-  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
-  public:
-  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
-  bool IsInitialized() const final;
-
-  size_t ByteSizeLong() const final;
-  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
-  uint8_t* _InternalSerialize(
-      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
-  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
-
-  private:
-  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
-  void SharedDtor();
-  void SetCachedSize(int size) const final;
-  void InternalSwap(ColumnDef* other);
-
-  private:
-  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
-  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
-    return "greptime.v1.ColumnDef";
-  }
-  protected:
-  explicit ColumnDef(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                       bool is_message_owned = false);
-  public:
-
-  static const ClassData _class_data_;
-  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
-
-  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
-
-  // nested types ----------------------------------------------------
-
-  // accessors -------------------------------------------------------
-
-  enum : int {
-    kNameFieldNumber = 1,
-    kDefaultConstraintFieldNumber = 4,
-    kDatatypeFieldNumber = 2,
-    kIsNullableFieldNumber = 3,
-  };
-  // string name = 1;
-  void clear_name();
-  const std::string& name() const;
-  template <typename ArgT0 = const std::string&, typename... ArgT>
-  void set_name(ArgT0&& arg0, ArgT... args);
-  std::string* mutable_name();
-  PROTOBUF_NODISCARD std::string* release_name();
-  void set_allocated_name(std::string* name);
-  private:
-  const std::string& _internal_name() const;
-  inline PROTOBUF_ALWAYS_INLINE void _internal_set_name(const std::string& value);
-  std::string* _internal_mutable_name();
-  public:
-
-  // bytes default_constraint = 4;
-  void clear_default_constraint();
-  const std::string& default_constraint() const;
-  template <typename ArgT0 = const std::string&, typename... ArgT>
-  void set_default_constraint(ArgT0&& arg0, ArgT... args);
-  std::string* mutable_default_constraint();
-  PROTOBUF_NODISCARD std::string* release_default_constraint();
-  void set_allocated_default_constraint(std::string* default_constraint);
-  private:
-  const std::string& _internal_default_constraint() const;
-  inline PROTOBUF_ALWAYS_INLINE void _internal_set_default_constraint(const std::string& value);
-  std::string* _internal_mutable_default_constraint();
-  public:
-
-  // .greptime.v1.ColumnDataType datatype = 2;
-  void clear_datatype();
-  ::greptime::v1::ColumnDataType datatype() const;
-  void set_datatype(::greptime::v1::ColumnDataType value);
-  private:
-  ::greptime::v1::ColumnDataType _internal_datatype() const;
-  void _internal_set_datatype(::greptime::v1::ColumnDataType value);
-  public:
-
-  // bool is_nullable = 3;
-  void clear_is_nullable();
-  bool is_nullable() const;
-  void set_is_nullable(bool value);
-  private:
-  bool _internal_is_nullable() const;
-  void _internal_set_is_nullable(bool value);
-  public:
-
-  // @@protoc_insertion_point(class_scope:greptime.v1.ColumnDef)
- private:
-  class _Internal;
-
-  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
-  struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr name_;
-    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr default_constraint_;
-    int datatype_;
-    bool is_nullable_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
-  };
-  union { Impl_ _impl_; };
-  friend struct ::TableStruct_greptime_2fv1_2fcommon_2eproto;
-};
-// -------------------------------------------------------------------
-
 class IntervalMonthDayNano final :
     public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.IntervalMonthDayNano) */ {
  public:
@@ -1781,7 +1586,7 @@ class IntervalMonthDayNano final :
                &_IntervalMonthDayNano_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    9;
+    8;
 
   friend void swap(IntervalMonthDayNano& a, IntervalMonthDayNano& b) {
     a.Swap(&b);
@@ -2799,150 +2604,6 @@ inline void FlightMetadata::set_allocated_affected_rows(::greptime::v1::Affected
 
 // -------------------------------------------------------------------
 
-// ColumnDef
-
-// string name = 1;
-inline void ColumnDef::clear_name() {
-  _impl_.name_.ClearToEmpty();
-}
-inline const std::string& ColumnDef::name() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.ColumnDef.name)
-  return _internal_name();
-}
-template <typename ArgT0, typename... ArgT>
-inline PROTOBUF_ALWAYS_INLINE
-void ColumnDef::set_name(ArgT0&& arg0, ArgT... args) {
- 
- _impl_.name_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
-  // @@protoc_insertion_point(field_set:greptime.v1.ColumnDef.name)
-}
-inline std::string* ColumnDef::mutable_name() {
-  std::string* _s = _internal_mutable_name();
-  // @@protoc_insertion_point(field_mutable:greptime.v1.ColumnDef.name)
-  return _s;
-}
-inline const std::string& ColumnDef::_internal_name() const {
-  return _impl_.name_.Get();
-}
-inline void ColumnDef::_internal_set_name(const std::string& value) {
-  
-  _impl_.name_.Set(value, GetArenaForAllocation());
-}
-inline std::string* ColumnDef::_internal_mutable_name() {
-  
-  return _impl_.name_.Mutable(GetArenaForAllocation());
-}
-inline std::string* ColumnDef::release_name() {
-  // @@protoc_insertion_point(field_release:greptime.v1.ColumnDef.name)
-  return _impl_.name_.Release();
-}
-inline void ColumnDef::set_allocated_name(std::string* name) {
-  if (name != nullptr) {
-    
-  } else {
-    
-  }
-  _impl_.name_.SetAllocated(name, GetArenaForAllocation());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (_impl_.name_.IsDefault()) {
-    _impl_.name_.Set("", GetArenaForAllocation());
-  }
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  // @@protoc_insertion_point(field_set_allocated:greptime.v1.ColumnDef.name)
-}
-
-// .greptime.v1.ColumnDataType datatype = 2;
-inline void ColumnDef::clear_datatype() {
-  _impl_.datatype_ = 0;
-}
-inline ::greptime::v1::ColumnDataType ColumnDef::_internal_datatype() const {
-  return static_cast< ::greptime::v1::ColumnDataType >(_impl_.datatype_);
-}
-inline ::greptime::v1::ColumnDataType ColumnDef::datatype() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.ColumnDef.datatype)
-  return _internal_datatype();
-}
-inline void ColumnDef::_internal_set_datatype(::greptime::v1::ColumnDataType value) {
-  
-  _impl_.datatype_ = value;
-}
-inline void ColumnDef::set_datatype(::greptime::v1::ColumnDataType value) {
-  _internal_set_datatype(value);
-  // @@protoc_insertion_point(field_set:greptime.v1.ColumnDef.datatype)
-}
-
-// bool is_nullable = 3;
-inline void ColumnDef::clear_is_nullable() {
-  _impl_.is_nullable_ = false;
-}
-inline bool ColumnDef::_internal_is_nullable() const {
-  return _impl_.is_nullable_;
-}
-inline bool ColumnDef::is_nullable() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.ColumnDef.is_nullable)
-  return _internal_is_nullable();
-}
-inline void ColumnDef::_internal_set_is_nullable(bool value) {
-  
-  _impl_.is_nullable_ = value;
-}
-inline void ColumnDef::set_is_nullable(bool value) {
-  _internal_set_is_nullable(value);
-  // @@protoc_insertion_point(field_set:greptime.v1.ColumnDef.is_nullable)
-}
-
-// bytes default_constraint = 4;
-inline void ColumnDef::clear_default_constraint() {
-  _impl_.default_constraint_.ClearToEmpty();
-}
-inline const std::string& ColumnDef::default_constraint() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.ColumnDef.default_constraint)
-  return _internal_default_constraint();
-}
-template <typename ArgT0, typename... ArgT>
-inline PROTOBUF_ALWAYS_INLINE
-void ColumnDef::set_default_constraint(ArgT0&& arg0, ArgT... args) {
- 
- _impl_.default_constraint_.SetBytes(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
-  // @@protoc_insertion_point(field_set:greptime.v1.ColumnDef.default_constraint)
-}
-inline std::string* ColumnDef::mutable_default_constraint() {
-  std::string* _s = _internal_mutable_default_constraint();
-  // @@protoc_insertion_point(field_mutable:greptime.v1.ColumnDef.default_constraint)
-  return _s;
-}
-inline const std::string& ColumnDef::_internal_default_constraint() const {
-  return _impl_.default_constraint_.Get();
-}
-inline void ColumnDef::_internal_set_default_constraint(const std::string& value) {
-  
-  _impl_.default_constraint_.Set(value, GetArenaForAllocation());
-}
-inline std::string* ColumnDef::_internal_mutable_default_constraint() {
-  
-  return _impl_.default_constraint_.Mutable(GetArenaForAllocation());
-}
-inline std::string* ColumnDef::release_default_constraint() {
-  // @@protoc_insertion_point(field_release:greptime.v1.ColumnDef.default_constraint)
-  return _impl_.default_constraint_.Release();
-}
-inline void ColumnDef::set_allocated_default_constraint(std::string* default_constraint) {
-  if (default_constraint != nullptr) {
-    
-  } else {
-    
-  }
-  _impl_.default_constraint_.SetAllocated(default_constraint, GetArenaForAllocation());
-#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  if (_impl_.default_constraint_.IsDefault()) {
-    _impl_.default_constraint_.Set("", GetArenaForAllocation());
-  }
-#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
-  // @@protoc_insertion_point(field_set_allocated:greptime.v1.ColumnDef.default_constraint)
-}
-
-// -------------------------------------------------------------------
-
 // IntervalMonthDayNano
 
 // int32 months = 1;
@@ -3024,8 +2685,6 @@ inline void IntervalMonthDayNano::set_nanoseconds(int64_t value) {
 
 // -------------------------------------------------------------------
 
-// -------------------------------------------------------------------
-
 
 // @@protoc_insertion_point(namespace_scope)
 

go/greptime/v1/common.pb.go

@@ -674,78 +674,6 @@ func (x *FlightMetadata) GetAffectedRows() *AffectedRows {
 	return nil
 }
 
-// TODO: deprecate this, and use the `ColumnDef` in region_server.proto instead
-type ColumnDef struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Name              string         `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Datatype          ColumnDataType `protobuf:"varint,2,opt,name=datatype,proto3,enum=greptime.v1.ColumnDataType" json:"datatype,omitempty"`
-	IsNullable        bool           `protobuf:"varint,3,opt,name=is_nullable,json=isNullable,proto3" json:"is_nullable,omitempty"`
-	DefaultConstraint []byte         `protobuf:"bytes,4,opt,name=default_constraint,json=defaultConstraint,proto3" json:"default_constraint,omitempty"`
-}
-
-func (x *ColumnDef) Reset() {
-	*x = ColumnDef{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_common_proto_msgTypes[8]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *ColumnDef) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ColumnDef) ProtoMessage() {}
-
-func (x *ColumnDef) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_common_proto_msgTypes[8]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ColumnDef.ProtoReflect.Descriptor instead.
-func (*ColumnDef) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_common_proto_rawDescGZIP(), []int{8}
-}
-
-func (x *ColumnDef) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *ColumnDef) GetDatatype() ColumnDataType {
-	if x != nil {
-		return x.Datatype
-	}
-	return ColumnDataType_BOOLEAN
-}
-
-func (x *ColumnDef) GetIsNullable() bool {
-	if x != nil {
-		return x.IsNullable
-	}
-	return false
-}
-
-func (x *ColumnDef) GetDefaultConstraint() []byte {
-	if x != nil {
-		return x.DefaultConstraint
-	}
-	return nil
-}
-
 type IntervalMonthDayNano struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -759,7 +687,7 @@ type IntervalMonthDayNano struct {
 func (x *IntervalMonthDayNano) Reset() {
 	*x = IntervalMonthDayNano{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_common_proto_msgTypes[9]
+		mi := &file_greptime_v1_common_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -772,7 +700,7 @@ func (x *IntervalMonthDayNano) String() string {
 func (*IntervalMonthDayNano) ProtoMessage() {}
 
 func (x *IntervalMonthDayNano) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_common_proto_msgTypes[9]
+	mi := &file_greptime_v1_common_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -785,7 +713,7 @@ func (x *IntervalMonthDayNano) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use IntervalMonthDayNano.ProtoReflect.Descriptor instead.
 func (*IntervalMonthDayNano) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_common_proto_rawDescGZIP(), []int{9}
+	return file_greptime_v1_common_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *IntervalMonthDayNano) GetMonths() int32 {
@@ -856,61 +784,51 @@ var file_greptime_v1_common_proto_rawDesc = []byte{
 	0x65, 0x64, 0x5f, 0x72, 0x6f, 0x77, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e,
 	0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x66, 0x66, 0x65,
 	0x63, 0x74, 0x65, 0x64, 0x52, 0x6f, 0x77, 0x73, 0x52, 0x0c, 0x61, 0x66, 0x66, 0x65, 0x63, 0x74,
-	0x65, 0x64, 0x52, 0x6f, 0x77, 0x73, 0x22, 0xa8, 0x01, 0x0a, 0x09, 0x43, 0x6f, 0x6c, 0x75, 0x6d,
+	0x65, 0x64, 0x52, 0x6f, 0x77, 0x73, 0x22, 0x64, 0x0a, 0x14, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76,
-	0x6e, 0x44, 0x65, 0x66, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
+	0x61, 0x6c, 0x4d, 0x6f, 0x6e, 0x74, 0x68, 0x44, 0x61, 0x79, 0x4e, 0x61, 0x6e, 0x6f, 0x12, 0x16,
-	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x37, 0x0a, 0x08, 0x64, 0x61, 0x74, 0x61,
+	0x0a, 0x06, 0x6d, 0x6f, 0x6e, 0x74, 0x68, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06,
-	0x74, 0x79, 0x70, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1b, 0x2e, 0x67, 0x72, 0x65,
+	0x6d, 0x6f, 0x6e, 0x74, 0x68, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x79, 0x73, 0x18, 0x02,
-	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44,
+	0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x64, 0x61, 0x79, 0x73, 0x12, 0x20, 0x0a, 0x0b, 0x6e, 0x61,
-	0x61, 0x74, 0x61, 0x54, 0x79, 0x70, 0x65, 0x52, 0x08, 0x64, 0x61, 0x74, 0x61, 0x74, 0x79, 0x70,
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 }
 
 var (
@@ -926,7 +844,7 @@ func file_greptime_v1_common_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_common_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_greptime_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_greptime_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_greptime_v1_common_proto_goTypes = []interface{}{
 	(SemanticType)(0),            // 0: greptime.v1.SemanticType
 	(ColumnDataType)(0),          // 1: greptime.v1.ColumnDataType
@@ -938,8 +856,7 @@ var file_greptime_v1_common_proto_goTypes = []interface{}{
 	(*Token)(nil),                // 7: greptime.v1.Token
 	(*AffectedRows)(nil),         // 8: greptime.v1.AffectedRows
 	(*FlightMetadata)(nil),       // 9: greptime.v1.FlightMetadata
-	(*ColumnDef)(nil),            // 10: greptime.v1.ColumnDef
+	(*IntervalMonthDayNano)(nil), // 10: greptime.v1.IntervalMonthDayNano
-	(*IntervalMonthDayNano)(nil), // 11: greptime.v1.IntervalMonthDayNano
 }
 var file_greptime_v1_common_proto_depIdxs = []int32{
 	5, // 0: greptime.v1.RequestHeader.authorization:type_name -> greptime.v1.AuthHeader
@@ -947,12 +864,11 @@ var file_greptime_v1_common_proto_depIdxs = []int32{
 	6, // 2: greptime.v1.AuthHeader.basic:type_name -> greptime.v1.Basic
 	7, // 3: greptime.v1.AuthHeader.token:type_name -> greptime.v1.Token
 	8, // 4: greptime.v1.FlightMetadata.affected_rows:type_name -> greptime.v1.AffectedRows
-	1, // 5: greptime.v1.ColumnDef.datatype:type_name -> greptime.v1.ColumnDataType
+	5, // [5:5] is the sub-list for method output_type
-	6, // [6:6] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
-	6, // [6:6] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
-	6, // [6:6] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
-	6, // [6:6] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
-	0, // [0:6] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_common_proto_init() }
@@ -1058,18 +974,6 @@ func file_greptime_v1_common_proto_init() {
 			}
 		}
 		file_greptime_v1_common_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ColumnDef); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_greptime_v1_common_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*IntervalMonthDayNano); i {
 			case 0:
 				return &v.state
@@ -1092,7 +996,7 @@ func file_greptime_v1_common_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_common_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   10,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

go/greptime/v1/ddl.pb.go

@@ -34,50 +34,50 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type AddColumn_Location_LocationType int32
+type AddColumnLocation_LocationType int32
 
 const (
-	AddColumn_Location_FIRST AddColumn_Location_LocationType = 0
+	AddColumnLocation_FIRST AddColumnLocation_LocationType = 0
-	AddColumn_Location_AFTER AddColumn_Location_LocationType = 1
+	AddColumnLocation_AFTER AddColumnLocation_LocationType = 1
 )
 
-// Enum value maps for AddColumn_Location_LocationType.
+// Enum value maps for AddColumnLocation_LocationType.
 var (
-	AddColumn_Location_LocationType_name = map[int32]string{
+	AddColumnLocation_LocationType_name = map[int32]string{
 		0: "FIRST",
 		1: "AFTER",
 	}
-	AddColumn_Location_LocationType_value = map[string]int32{
+	AddColumnLocation_LocationType_value = map[string]int32{
 		"FIRST": 0,
 		"AFTER": 1,
 	}
 )
 
-func (x AddColumn_Location_LocationType) Enum() *AddColumn_Location_LocationType {
+func (x AddColumnLocation_LocationType) Enum() *AddColumnLocation_LocationType {
-	p := new(AddColumn_Location_LocationType)
+	p := new(AddColumnLocation_LocationType)
 	*p = x
 	return p
 }
 
-func (x AddColumn_Location_LocationType) String() string {
+func (x AddColumnLocation_LocationType) String() string {
 	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (AddColumn_Location_LocationType) Descriptor() protoreflect.EnumDescriptor {
+func (AddColumnLocation_LocationType) Descriptor() protoreflect.EnumDescriptor {
 	return file_greptime_v1_ddl_proto_enumTypes[0].Descriptor()
 }
 
-func (AddColumn_Location_LocationType) Type() protoreflect.EnumType {
+func (AddColumnLocation_LocationType) Type() protoreflect.EnumType {
 	return &file_greptime_v1_ddl_proto_enumTypes[0]
 }
 
-func (x AddColumn_Location_LocationType) Number() protoreflect.EnumNumber {
+func (x AddColumnLocation_LocationType) Number() protoreflect.EnumNumber {
 	return protoreflect.EnumNumber(x)
 }
 
-// Deprecated: Use AddColumn_Location_LocationType.Descriptor instead.
+// Deprecated: Use AddColumnLocation_LocationType.Descriptor instead.
-func (AddColumn_Location_LocationType) EnumDescriptor() ([]byte, []int) {
+func (AddColumnLocation_LocationType) EnumDescriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{9, 0, 0}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{13, 0}
 }
 
 // "Data Definition Language" requests, that create, modify or delete the
@@ -355,10 +355,7 @@ type AlterExpr struct {
 	//	*AlterExpr_AddColumns
 	//	*AlterExpr_DropColumns
 	//	*AlterExpr_RenameTable
-	Kind    isAlterExpr_Kind `protobuf_oneof:"kind"`
+	Kind isAlterExpr_Kind `protobuf_oneof:"kind"`
-	TableId *TableId         `protobuf:"bytes,7,opt,name=table_id,json=tableId,proto3" json:"table_id,omitempty"`
-	// table version before altering.
-	TableVersion uint64 `protobuf:"varint,8,opt,name=table_version,json=tableVersion,proto3" json:"table_version,omitempty"`
 }
 
 func (x *AlterExpr) Reset() {
@@ -442,20 +439,6 @@ func (x *AlterExpr) GetRenameTable() *RenameTable {
 	return nil
 }
 
-func (x *AlterExpr) GetTableId() *TableId {
-	if x != nil {
-		return x.TableId
-	}
-	return nil
-}
-
-func (x *AlterExpr) GetTableVersion() uint64 {
-	if x != nil {
-		return x.TableVersion
-	}
-	return 0
-}
-
 type isAlterExpr_Kind interface {
 	isAlterExpr_Kind()
 }
@@ -829,9 +812,8 @@ type AddColumn struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	ColumnDef *ColumnDef          `protobuf:"bytes,1,opt,name=column_def,json=columnDef,proto3" json:"column_def,omitempty"`
+	ColumnDef *ColumnDef         `protobuf:"bytes,1,opt,name=column_def,json=columnDef,proto3" json:"column_def,omitempty"`
-	IsKey     bool                `protobuf:"varint,2,opt,name=is_key,json=isKey,proto3" json:"is_key,omitempty"`
+	Location  *AddColumnLocation `protobuf:"bytes,3,opt,name=location,proto3" json:"location,omitempty"`
-	Location  *AddColumn_Location `protobuf:"bytes,3,opt,name=location,proto3" json:"location,omitempty"`
 }
 
 func (x *AddColumn) Reset() {
@@ -873,14 +855,7 @@ func (x *AddColumn) GetColumnDef() *ColumnDef {
 	return nil
 }
 
-func (x *AddColumn) GetIsKey() bool {
+func (x *AddColumn) GetLocation() *AddColumnLocation {
-	if x != nil {
-		return x.IsKey
-	}
-	return false
-}
-
-func (x *AddColumn) GetLocation() *AddColumn_Location {
 	if x != nil {
 		return x.Location
 	}
@@ -981,32 +956,35 @@ func (x *TableId) GetId() uint32 {
 	return 0
 }
 
-type AddColumn_Location struct {
+type ColumnDef struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	LocationType    AddColumn_Location_LocationType `protobuf:"varint,1,opt,name=location_type,json=locationType,proto3,enum=greptime.v1.AddColumn_Location_LocationType" json:"location_type,omitempty"`
+	Name              string         `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	AfterColumnName string                          `protobuf:"bytes,2,opt,name=after_column_name,json=afterColumnName,proto3" json:"after_column_name,omitempty"`
+	DataType          ColumnDataType `protobuf:"varint,2,opt,name=data_type,json=dataType,proto3,enum=greptime.v1.ColumnDataType" json:"data_type,omitempty"`
+	IsNullable        bool           `protobuf:"varint,3,opt,name=is_nullable,json=isNullable,proto3" json:"is_nullable,omitempty"`
+	DefaultConstraint []byte         `protobuf:"bytes,4,opt,name=default_constraint,json=defaultConstraint,proto3" json:"default_constraint,omitempty"`
+	SemanticType      SemanticType   `protobuf:"varint,5,opt,name=semantic_type,json=semanticType,proto3,enum=greptime.v1.SemanticType" json:"semantic_type,omitempty"`
 }
 
-func (x *AddColumn_Location) Reset() {
+func (x *ColumnDef) Reset() {
-	*x = AddColumn_Location{}
+	*x = ColumnDef{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[14]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 
-func (x *AddColumn_Location) String() string {
+func (x *ColumnDef) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*AddColumn_Location) ProtoMessage() {}
+func (*ColumnDef) ProtoMessage() {}
 
-func (x *AddColumn_Location) ProtoReflect() protoreflect.Message {
+func (x *ColumnDef) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[14]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1017,19 +995,95 @@ func (x *AddColumn_Location) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use AddColumn_Location.ProtoReflect.Descriptor instead.
+// Deprecated: Use ColumnDef.ProtoReflect.Descriptor instead.
-func (*AddColumn_Location) Descriptor() ([]byte, []int) {
+func (*ColumnDef) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{9, 0}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{12}
 }
 
-func (x *AddColumn_Location) GetLocationType() AddColumn_Location_LocationType {
+func (x *ColumnDef) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *ColumnDef) GetDataType() ColumnDataType {
+	if x != nil {
+		return x.DataType
+	}
+	return ColumnDataType_BOOLEAN
+}
+
+func (x *ColumnDef) GetIsNullable() bool {
+	if x != nil {
+		return x.IsNullable
+	}
+	return false
+}
+
+func (x *ColumnDef) GetDefaultConstraint() []byte {
+	if x != nil {
+		return x.DefaultConstraint
+	}
+	return nil
+}
+
+func (x *ColumnDef) GetSemanticType() SemanticType {
+	if x != nil {
+		return x.SemanticType
+	}
+	return SemanticType_TAG
+}
+
+type AddColumnLocation struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	LocationType    AddColumnLocation_LocationType `protobuf:"varint,1,opt,name=location_type,json=locationType,proto3,enum=greptime.v1.AddColumnLocation_LocationType" json:"location_type,omitempty"`
+	AfterColumnName string                         `protobuf:"bytes,2,opt,name=after_column_name,json=afterColumnName,proto3" json:"after_column_name,omitempty"`
+}
+
+func (x *AddColumnLocation) Reset() {
+	*x = AddColumnLocation{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_ddl_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AddColumnLocation) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddColumnLocation) ProtoMessage() {}
+
+func (x *AddColumnLocation) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_ddl_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddColumnLocation.ProtoReflect.Descriptor instead.
+func (*AddColumnLocation) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *AddColumnLocation) GetLocationType() AddColumnLocation_LocationType {
 	if x != nil {
 		return x.LocationType
 	}
-	return AddColumn_Location_FIRST
+	return AddColumnLocation_FIRST
 }
 
-func (x *AddColumn_Location) GetAfterColumnName() string {
+func (x *AddColumnLocation) GetAfterColumnName() string {
 	if x != nil {
 		return x.AfterColumnName
 	}
@@ -1100,7 +1154,7 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
 	0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b,
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@@ -1119,91 +1173,99 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
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-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x61, 0x66, 0x74, 0x65, 0x72, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x4e, 0x61, 0x6d, 0x65, 0x22,
+	0x24, 0x0a, 0x0c, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x12,
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+	0x54, 0x45, 0x52, 0x10, 0x01, 0x42, 0x4c, 0x0a, 0x0e, 0x69, 0x6f, 0x2e, 0x67, 0x72, 0x65, 0x70,
+	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x42, 0x03, 0x44, 0x64, 0x6c, 0x5a, 0x35, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2d, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1219,25 +1281,27 @@ func file_greptime_v1_ddl_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_ddl_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_greptime_v1_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_greptime_v1_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
 var file_greptime_v1_ddl_proto_goTypes = []interface{}{
-	(AddColumn_Location_LocationType)(0), // 0: greptime.v1.AddColumn.Location.LocationType
+	(AddColumnLocation_LocationType)(0), // 0: greptime.v1.AddColumnLocation.LocationType
-	(*DdlRequest)(nil),                   // 1: greptime.v1.DdlRequest
+	(*DdlRequest)(nil),                  // 1: greptime.v1.DdlRequest
-	(*CreateTableExpr)(nil),              // 2: greptime.v1.CreateTableExpr
+	(*CreateTableExpr)(nil),             // 2: greptime.v1.CreateTableExpr
-	(*AlterExpr)(nil),                    // 3: greptime.v1.AlterExpr
+	(*AlterExpr)(nil),                   // 3: greptime.v1.AlterExpr
-	(*DropTableExpr)(nil),                // 4: greptime.v1.DropTableExpr
+	(*DropTableExpr)(nil),               // 4: greptime.v1.DropTableExpr
-	(*CreateDatabaseExpr)(nil),           // 5: greptime.v1.CreateDatabaseExpr
+	(*CreateDatabaseExpr)(nil),          // 5: greptime.v1.CreateDatabaseExpr
-	(*TruncateTableExpr)(nil),            // 6: greptime.v1.TruncateTableExpr
+	(*TruncateTableExpr)(nil),           // 6: greptime.v1.TruncateTableExpr
-	(*AddColumns)(nil),                   // 7: greptime.v1.AddColumns
+	(*AddColumns)(nil),                  // 7: greptime.v1.AddColumns
-	(*DropColumns)(nil),                  // 8: greptime.v1.DropColumns
+	(*DropColumns)(nil),                 // 8: greptime.v1.DropColumns
-	(*RenameTable)(nil),                  // 9: greptime.v1.RenameTable
+	(*RenameTable)(nil),                 // 9: greptime.v1.RenameTable
-	(*AddColumn)(nil),                    // 10: greptime.v1.AddColumn
+	(*AddColumn)(nil),                   // 10: greptime.v1.AddColumn
-	(*DropColumn)(nil),                   // 11: greptime.v1.DropColumn
+	(*DropColumn)(nil),                  // 11: greptime.v1.DropColumn
-	(*TableId)(nil),                      // 12: greptime.v1.TableId
+	(*TableId)(nil),                     // 12: greptime.v1.TableId
-	nil,                                  // 13: greptime.v1.CreateTableExpr.TableOptionsEntry
+	(*ColumnDef)(nil),                   // 13: greptime.v1.ColumnDef
-	nil,                                  // 14: greptime.v1.CreateDatabaseExpr.OptionsEntry
+	(*AddColumnLocation)(nil),           // 14: greptime.v1.AddColumnLocation
-	(*AddColumn_Location)(nil),           // 15: greptime.v1.AddColumn.Location
+	nil,                                 // 15: greptime.v1.CreateTableExpr.TableOptionsEntry
-	(*ColumnDef)(nil),                    // 16: greptime.v1.ColumnDef
+	nil,                                 // 16: greptime.v1.CreateDatabaseExpr.OptionsEntry
+	(ColumnDataType)(0),                 // 17: greptime.v1.ColumnDataType
+	(SemanticType)(0),                   // 18: greptime.v1.SemanticType
 }
 var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	5,  // 0: greptime.v1.DdlRequest.create_database:type_name -> greptime.v1.CreateDatabaseExpr
@@ -1245,26 +1309,27 @@ var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	3,  // 2: greptime.v1.DdlRequest.alter:type_name -> greptime.v1.AlterExpr
 	4,  // 3: greptime.v1.DdlRequest.drop_table:type_name -> greptime.v1.DropTableExpr
 	6,  // 4: greptime.v1.DdlRequest.truncate_table:type_name -> greptime.v1.TruncateTableExpr
-	16, // 5: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
+	13, // 5: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
-	13, // 6: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
+	15, // 6: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
 	12, // 7: greptime.v1.CreateTableExpr.table_id:type_name -> greptime.v1.TableId
 	7,  // 8: greptime.v1.AlterExpr.add_columns:type_name -> greptime.v1.AddColumns
 	8,  // 9: greptime.v1.AlterExpr.drop_columns:type_name -> greptime.v1.DropColumns
 	9,  // 10: greptime.v1.AlterExpr.rename_table:type_name -> greptime.v1.RenameTable
-	12, // 11: greptime.v1.AlterExpr.table_id:type_name -> greptime.v1.TableId
+	12, // 11: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
-	12, // 12: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
+	16, // 12: greptime.v1.CreateDatabaseExpr.options:type_name -> greptime.v1.CreateDatabaseExpr.OptionsEntry
-	14, // 13: greptime.v1.CreateDatabaseExpr.options:type_name -> greptime.v1.CreateDatabaseExpr.OptionsEntry
+	12, // 13: greptime.v1.TruncateTableExpr.table_id:type_name -> greptime.v1.TableId
-	12, // 14: greptime.v1.TruncateTableExpr.table_id:type_name -> greptime.v1.TableId
+	10, // 14: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
-	10, // 15: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
+	11, // 15: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
-	11, // 16: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
+	13, // 16: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
-	16, // 17: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
+	14, // 17: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumnLocation
-	15, // 18: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumn.Location
+	17, // 18: greptime.v1.ColumnDef.data_type:type_name -> greptime.v1.ColumnDataType
-	0,  // 19: greptime.v1.AddColumn.Location.location_type:type_name -> greptime.v1.AddColumn.Location.LocationType
+	18, // 19: greptime.v1.ColumnDef.semantic_type:type_name -> greptime.v1.SemanticType
-	20, // [20:20] is the sub-list for method output_type
+	0,  // 20: greptime.v1.AddColumnLocation.location_type:type_name -> greptime.v1.AddColumnLocation.LocationType
-	20, // [20:20] is the sub-list for method input_type
+	21, // [21:21] is the sub-list for method output_type
-	20, // [20:20] is the sub-list for extension type_name
+	21, // [21:21] is the sub-list for method input_type
-	20, // [20:20] is the sub-list for extension extendee
+	21, // [21:21] is the sub-list for extension type_name
-	0,  // [0:20] is the sub-list for field type_name
+	21, // [21:21] is the sub-list for extension extendee
+	0,  // [0:21] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_ddl_proto_init() }
@@ -1418,8 +1483,20 @@ func file_greptime_v1_ddl_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_ddl_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_ddl_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddColumn_Location); i {
+			switch v := v.(*ColumnDef); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_ddl_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AddColumnLocation); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1449,7 +1526,7 @@ func file_greptime_v1_ddl_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_ddl_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   15,
+			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

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

@@ -6515,836 +6515,6 @@ public final class Common {
 
   }
 
-  public interface ColumnDefOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:greptime.v1.ColumnDef)
-      com.google.protobuf.MessageOrBuilder {
-
-    /**
-     * <code>string name = 1;</code>
-     * @return The name.
-     */
-    java.lang.String getName();
-    /**
-     * <code>string name = 1;</code>
-     * @return The bytes for name.
-     */
-    com.google.protobuf.ByteString
-        getNameBytes();
-
-    /**
-     * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-     * @return The enum numeric value on the wire for datatype.
-     */
-    int getDatatypeValue();
-    /**
-     * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-     * @return The datatype.
-     */
-    io.greptime.v1.Common.ColumnDataType getDatatype();
-
-    /**
-     * <code>bool is_nullable = 3;</code>
-     * @return The isNullable.
-     */
-    boolean getIsNullable();
-
-    /**
-     * <code>bytes default_constraint = 4;</code>
-     * @return The defaultConstraint.
-     */
-    com.google.protobuf.ByteString getDefaultConstraint();
-  }
-  /**
-   * <pre>
-   * TODO: deprecate this, and use the `ColumnDef` in region_server.proto instead
-   * </pre>
-   *
-   * Protobuf type {@code greptime.v1.ColumnDef}
-   */
-  public static final class ColumnDef extends
-      com.google.protobuf.GeneratedMessageV3 implements
-      // @@protoc_insertion_point(message_implements:greptime.v1.ColumnDef)
-      ColumnDefOrBuilder {
-  private static final long serialVersionUID = 0L;
-    // Use ColumnDef.newBuilder() to construct.
-    private ColumnDef(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
-      super(builder);
-    }
-    private ColumnDef() {
-      name_ = "";
-      datatype_ = 0;
-      defaultConstraint_ = com.google.protobuf.ByteString.EMPTY;
-    }
-
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(
-        UnusedPrivateParameter unused) {
-      return new ColumnDef();
-    }
-
-    @java.lang.Override
-    public final com.google.protobuf.UnknownFieldSet
-    getUnknownFields() {
-      return this.unknownFields;
-    }
-    private ColumnDef(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      this();
-      if (extensionRegistry == null) {
-        throw new java.lang.NullPointerException();
-      }
-      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
-          com.google.protobuf.UnknownFieldSet.newBuilder();
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            case 10: {
-              java.lang.String s = input.readStringRequireUtf8();
-
-              name_ = s;
-              break;
-            }
-            case 16: {
-              int rawValue = input.readEnum();
-
-              datatype_ = rawValue;
-              break;
-            }
-            case 24: {
-
-              isNullable_ = input.readBool();
-              break;
-            }
-            case 34: {
-
-              defaultConstraint_ = input.readBytes();
-              break;
-            }
-            default: {
-              if (!parseUnknownField(
-                  input, unknownFields, extensionRegistry, tag)) {
-                done = true;
-              }
-              break;
-            }
-          }
-        }
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.setUnfinishedMessage(this);
-      } catch (com.google.protobuf.UninitializedMessageException e) {
-        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
-      } catch (java.io.IOException e) {
-        throw new com.google.protobuf.InvalidProtocolBufferException(
-            e).setUnfinishedMessage(this);
-      } finally {
-        this.unknownFields = unknownFields.build();
-        makeExtensionsImmutable();
-      }
-    }
-    public static final com.google.protobuf.Descriptors.Descriptor
-        getDescriptor() {
-      return io.greptime.v1.Common.internal_static_greptime_v1_ColumnDef_descriptor;
-    }
-
-    @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return io.greptime.v1.Common.internal_static_greptime_v1_ColumnDef_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              io.greptime.v1.Common.ColumnDef.class, io.greptime.v1.Common.ColumnDef.Builder.class);
-    }
-
-    public static final int NAME_FIELD_NUMBER = 1;
-    private volatile java.lang.Object name_;
-    /**
-     * <code>string name = 1;</code>
-     * @return The name.
-     */
-    @java.lang.Override
-    public java.lang.String getName() {
-      java.lang.Object ref = name_;
-      if (ref instanceof java.lang.String) {
-        return (java.lang.String) ref;
-      } else {
-        com.google.protobuf.ByteString bs = 
-            (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        name_ = s;
-        return s;
-      }
-    }
-    /**
-     * <code>string name = 1;</code>
-     * @return The bytes for name.
-     */
-    @java.lang.Override
-    public com.google.protobuf.ByteString
-        getNameBytes() {
-      java.lang.Object ref = name_;
-      if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b = 
-            com.google.protobuf.ByteString.copyFromUtf8(
-                (java.lang.String) ref);
-        name_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
-      }
-    }
-
-    public static final int DATATYPE_FIELD_NUMBER = 2;
-    private int datatype_;
-    /**
-     * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-     * @return The enum numeric value on the wire for datatype.
-     */
-    @java.lang.Override public int getDatatypeValue() {
-      return datatype_;
-    }
-    /**
-     * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-     * @return The datatype.
-     */
-    @java.lang.Override public io.greptime.v1.Common.ColumnDataType getDatatype() {
-      @SuppressWarnings("deprecation")
-      io.greptime.v1.Common.ColumnDataType result = io.greptime.v1.Common.ColumnDataType.valueOf(datatype_);
-      return result == null ? io.greptime.v1.Common.ColumnDataType.UNRECOGNIZED : result;
-    }
-
-    public static final int IS_NULLABLE_FIELD_NUMBER = 3;
-    private boolean isNullable_;
-    /**
-     * <code>bool is_nullable = 3;</code>
-     * @return The isNullable.
-     */
-    @java.lang.Override
-    public boolean getIsNullable() {
-      return isNullable_;
-    }
-
-    public static final int DEFAULT_CONSTRAINT_FIELD_NUMBER = 4;
-    private com.google.protobuf.ByteString defaultConstraint_;
-    /**
-     * <code>bytes default_constraint = 4;</code>
-     * @return The defaultConstraint.
-     */
-    @java.lang.Override
-    public com.google.protobuf.ByteString getDefaultConstraint() {
-      return defaultConstraint_;
-    }
-
-    private byte memoizedIsInitialized = -1;
-    @java.lang.Override
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized == 1) return true;
-      if (isInitialized == 0) return false;
-
-      memoizedIsInitialized = 1;
-      return true;
-    }
-
-    @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output)
-                        throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
-      }
-      if (datatype_ != io.greptime.v1.Common.ColumnDataType.BOOLEAN.getNumber()) {
-        output.writeEnum(2, datatype_);
-      }
-      if (isNullable_ != false) {
-        output.writeBool(3, isNullable_);
-      }
-      if (!defaultConstraint_.isEmpty()) {
-        output.writeBytes(4, defaultConstraint_);
-      }
-      unknownFields.writeTo(output);
-    }
-
-    @java.lang.Override
-    public int getSerializedSize() {
-      int size = memoizedSize;
-      if (size != -1) return size;
-
-      size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
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-      if (datatype_ != io.greptime.v1.Common.ColumnDataType.BOOLEAN.getNumber()) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeEnumSize(2, datatype_);
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-      if (isNullable_ != false) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBoolSize(3, isNullable_);
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-      if (!defaultConstraint_.isEmpty()) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(4, defaultConstraint_);
-      }
-      size += unknownFields.getSerializedSize();
-      memoizedSize = size;
-      return size;
-    }
-
-    @java.lang.Override
-    public boolean equals(final java.lang.Object obj) {
-      if (obj == this) {
-       return true;
-      }
-      if (!(obj instanceof io.greptime.v1.Common.ColumnDef)) {
-        return super.equals(obj);
-      }
-      io.greptime.v1.Common.ColumnDef other = (io.greptime.v1.Common.ColumnDef) obj;
-
-      if (!getName()
-          .equals(other.getName())) return false;
-      if (datatype_ != other.datatype_) return false;
-      if (getIsNullable()
-          != other.getIsNullable()) return false;
-      if (!getDefaultConstraint()
-          .equals(other.getDefaultConstraint())) return false;
-      if (!unknownFields.equals(other.unknownFields)) return false;
-      return true;
-    }
-
-    @java.lang.Override
-    public int hashCode() {
-      if (memoizedHashCode != 0) {
-        return memoizedHashCode;
-      }
-      int hash = 41;
-      hash = (19 * hash) + getDescriptor().hashCode();
-      hash = (37 * hash) + NAME_FIELD_NUMBER;
-      hash = (53 * hash) + getName().hashCode();
-      hash = (37 * hash) + DATATYPE_FIELD_NUMBER;
-      hash = (53 * hash) + datatype_;
-      hash = (37 * hash) + IS_NULLABLE_FIELD_NUMBER;
-      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
-          getIsNullable());
-      hash = (37 * hash) + DEFAULT_CONSTRAINT_FIELD_NUMBER;
-      hash = (53 * hash) + getDefaultConstraint().hashCode();
-      hash = (29 * hash) + unknownFields.hashCode();
-      memoizedHashCode = hash;
-      return hash;
-    }
-
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
-        java.nio.ByteBuffer data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
-        java.nio.ByteBuffer data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
-        com.google.protobuf.ByteString data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
-        byte[] data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3
-          .parseWithIOException(PARSER, input);
-    }
-    public static io.greptime.v1.Common.ColumnDef parseFrom(
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-    public static Builder newBuilder() {
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-    @java.lang.Override
-    public Builder toBuilder() {
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-          ? new Builder() : new Builder().mergeFrom(this);
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-    @java.lang.Override
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-     * </pre>
-     *
-     * Protobuf type {@code greptime.v1.ColumnDef}
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-      /**
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-      public java.lang.String getName() {
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-       * @param value The name to set.
-       * @return This builder for chaining.
-       */
-      public Builder setName(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  
-        name_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>string name = 1;</code>
-       * @return This builder for chaining.
-       */
-      public Builder clearName() {
-        
-        name_ = getDefaultInstance().getName();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>string name = 1;</code>
-       * @param value The bytes for name to set.
-       * @return This builder for chaining.
-       */
-      public Builder setNameBytes(
-          com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  checkByteStringIsUtf8(value);
-        
-        name_ = value;
-        onChanged();
-        return this;
-      }
-
-      private int datatype_ = 0;
-      /**
-       * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-       * @return The enum numeric value on the wire for datatype.
-       */
-      @java.lang.Override public int getDatatypeValue() {
-        return datatype_;
-      }
-      /**
-       * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-       * @param value The enum numeric value on the wire for datatype to set.
-       * @return This builder for chaining.
-       */
-      public Builder setDatatypeValue(int value) {
-        
-        datatype_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-       * @return The datatype.
-       */
-      @java.lang.Override
-      public io.greptime.v1.Common.ColumnDataType getDatatype() {
-        @SuppressWarnings("deprecation")
-        io.greptime.v1.Common.ColumnDataType result = io.greptime.v1.Common.ColumnDataType.valueOf(datatype_);
-        return result == null ? io.greptime.v1.Common.ColumnDataType.UNRECOGNIZED : result;
-      }
-      /**
-       * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-       * @param value The datatype to set.
-       * @return This builder for chaining.
-       */
-      public Builder setDatatype(io.greptime.v1.Common.ColumnDataType value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        
-        datatype_ = value.getNumber();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>.greptime.v1.ColumnDataType datatype = 2;</code>
-       * @return This builder for chaining.
-       */
-      public Builder clearDatatype() {
-        
-        datatype_ = 0;
-        onChanged();
-        return this;
-      }
-
-      private boolean isNullable_ ;
-      /**
-       * <code>bool is_nullable = 3;</code>
-       * @return The isNullable.
-       */
-      @java.lang.Override
-      public boolean getIsNullable() {
-        return isNullable_;
-      }
-      /**
-       * <code>bool is_nullable = 3;</code>
-       * @param value The isNullable to set.
-       * @return This builder for chaining.
-       */
-      public Builder setIsNullable(boolean value) {
-        
-        isNullable_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>bool is_nullable = 3;</code>
-       * @return This builder for chaining.
-       */
-      public Builder clearIsNullable() {
-        
-        isNullable_ = false;
-        onChanged();
-        return this;
-      }
-
-      private com.google.protobuf.ByteString defaultConstraint_ = com.google.protobuf.ByteString.EMPTY;
-      /**
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-       * @return The defaultConstraint.
-       */
-      @java.lang.Override
-      public com.google.protobuf.ByteString getDefaultConstraint() {
-        return defaultConstraint_;
-      }
-      /**
-       * <code>bytes default_constraint = 4;</code>
-       * @param value The defaultConstraint to set.
-       * @return This builder for chaining.
-       */
-      public Builder setDefaultConstraint(com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  
-        defaultConstraint_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>bytes default_constraint = 4;</code>
-       * @return This builder for chaining.
-       */
-      public Builder clearDefaultConstraint() {
-        
-        defaultConstraint_ = getDefaultInstance().getDefaultConstraint();
-        onChanged();
-        return this;
-      }
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
-
-      // @@protoc_insertion_point(builder_scope:greptime.v1.ColumnDef)
-    }
-
-    // @@protoc_insertion_point(class_scope:greptime.v1.ColumnDef)
-    private static final io.greptime.v1.Common.ColumnDef DEFAULT_INSTANCE;
-    static {
-      DEFAULT_INSTANCE = new io.greptime.v1.Common.ColumnDef();
-    }
-
-    public static io.greptime.v1.Common.ColumnDef getDefaultInstance() {
-      return DEFAULT_INSTANCE;
-    }
-
-    private static final com.google.protobuf.Parser<ColumnDef>
-        PARSER = new com.google.protobuf.AbstractParser<ColumnDef>() {
-      @java.lang.Override
-      public ColumnDef parsePartialFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws com.google.protobuf.InvalidProtocolBufferException {
-        return new ColumnDef(input, extensionRegistry);
-      }
-    };
-
-    public static com.google.protobuf.Parser<ColumnDef> parser() {
-      return PARSER;
-    }
-
-    @java.lang.Override
-    public com.google.protobuf.Parser<ColumnDef> getParserForType() {
-      return PARSER;
-    }
-
-    @java.lang.Override
-    public io.greptime.v1.Common.ColumnDef getDefaultInstanceForType() {
-      return DEFAULT_INSTANCE;
-    }
-
-  }
-
   public interface IntervalMonthDayNanoOrBuilder extends
       // @@protoc_insertion_point(interface_extends:greptime.v1.IntervalMonthDayNano)
       com.google.protobuf.MessageOrBuilder {
@@ -8016,11 +7186,6 @@ public final class Common {
   private static final 
     com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_greptime_v1_FlightMetadata_fieldAccessorTable;
-  private static final com.google.protobuf.Descriptors.Descriptor
-    internal_static_greptime_v1_ColumnDef_descriptor;
-  private static final 
-    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_greptime_v1_ColumnDef_fieldAccessorTable;
   private static final com.google.protobuf.Descriptors.Descriptor
     internal_static_greptime_v1_IntervalMonthDayNano_descriptor;
   private static final 
@@ -8049,26 +7214,23 @@ public final class Common {
       "\"\026\n\005Token\022\r\n\005token\030\001 \001(\t\"\035\n\014AffectedRows" +
       "\022\r\n\005value\030\001 \001(\r\"B\n\016FlightMetadata\0220\n\raff" +
       "ected_rows\030\001 \001(\0132\031.greptime.v1.AffectedR" +
-      "ows\"y\n\tColumnDef\022\014\n\004name\030\001 \001(\t\022-\n\010dataty" +
+      "ows\"I\n\024IntervalMonthDayNano\022\016\n\006months\030\001 " +
-      "pe\030\002 \001(\0162\033.greptime.v1.ColumnDataType\022\023\n" +
+      "\001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(\003*1" +
-      "\013is_nullable\030\003 \001(\010\022\032\n\022default_constraint" +
+      "\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n\tTI" +
-      "\030\004 \001(\014\"I\n\024IntervalMonthDayNano\022\016\n\006months" +
+      "MESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLEAN\020" +
-      "\030\001 \001(\005\022\014\n\004days\030\002 \001(\005\022\023\n\013nanoseconds\030\003 \001(" +
+      "\000\022\010\n\004INT8\020\001\022\t\n\005INT16\020\002\022\t\n\005INT32\020\003\022\t\n\005INT" +
-      "\003*1\n\014SemanticType\022\007\n\003TAG\020\000\022\t\n\005FIELD\020\001\022\r\n" +
+      "64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32\020\007\022" +
-      "\tTIMESTAMP\020\002*\306\003\n\016ColumnDataType\022\013\n\007BOOLE" +
+      "\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n\022\n\n" +
-      "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" +
+      "\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DATET" +
-      "INT64\020\004\022\t\n\005UINT8\020\005\022\n\n\006UINT16\020\006\022\n\n\006UINT32" +
+      "IME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMESTAMP" +
-      "\020\007\022\n\n\006UINT64\020\010\022\013\n\007FLOAT32\020\t\022\013\n\007FLOAT64\020\n" +
+      "_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECOND\020" +
-      "\022\n\n\006BINARY\020\013\022\n\n\006STRING\020\014\022\010\n\004DATE\020\r\022\014\n\010DA" +
+      "\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_SECO" +
-      "TETIME\020\016\022\024\n\020TIMESTAMP_SECOND\020\017\022\031\n\025TIMEST" +
+      "ND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MICRO" +
-      "AMP_MILLISECOND\020\020\022\031\n\025TIMESTAMP_MICROSECO" +
+      "SECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTERVA" +
-      "ND\020\021\022\030\n\024TIMESTAMP_NANOSECOND\020\022\022\017\n\013TIME_S" +
+      "L_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030\022\033\n" +
-      "ECOND\020\023\022\024\n\020TIME_MILLISECOND\020\024\022\024\n\020TIME_MI" +
+      "\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.greptim" +
-      "CROSECOND\020\025\022\023\n\017TIME_NANOSECOND\020\026\022\027\n\023INTE" +
+      "e.v1B\006CommonZ5github.com/GreptimeTeam/gr" +
-      "RVAL_YEAR_MONTH\020\027\022\025\n\021INTERVAL_DAY_TIME\020\030" +
+      "eptime-proto/go/greptime/v1b\006proto3"
-      "\022\033\n\027INTERVAL_MONTH_DAY_NANO\020\031BO\n\016io.grep" +
-      "time.v1B\006CommonZ5github.com/GreptimeTeam" +
-      "/greptime-proto/go/greptime/v1b\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -8122,14 +7284,8 @@ public final class Common {
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_FlightMetadata_descriptor,
         new java.lang.String[] { "AffectedRows", });
-    internal_static_greptime_v1_ColumnDef_descriptor =
-      getDescriptor().getMessageTypes().get(8);
-    internal_static_greptime_v1_ColumnDef_fieldAccessorTable = new
-      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-        internal_static_greptime_v1_ColumnDef_descriptor,
-        new java.lang.String[] { "Name", "Datatype", "IsNullable", "DefaultConstraint", });
     internal_static_greptime_v1_IntervalMonthDayNano_descriptor =
-      getDescriptor().getMessageTypes().get(9);
+      getDescriptor().getMessageTypes().get(8);
     internal_static_greptime_v1_IntervalMonthDayNano_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_IntervalMonthDayNano_descriptor,

proto/greptime/v1/common.proto

@@ -67,14 +67,6 @@ enum SemanticType {
   TIMESTAMP = 2;
 }
 
-// TODO: deprecate this, and use the `ColumnDef` in region_server.proto instead
-message ColumnDef {
-  string name = 1;
-  ColumnDataType datatype = 2;
-  bool is_nullable = 3;
-  bytes default_constraint = 4;
-}
-
 enum ColumnDataType {
   BOOLEAN = 0;
   INT8 = 1;

proto/greptime/v1/ddl.proto

@@ -60,9 +60,6 @@ message AlterExpr {
     DropColumns drop_columns = 5;
     RenameTable rename_table = 6;
   }
-  TableId table_id = 7;
-  // table version before altering.
-  uint64 table_version = 8;
 }
 
 message DropTableExpr {
@@ -93,19 +90,26 @@ message RenameTable { string new_table_name = 1; }
 
 message AddColumn {
   ColumnDef column_def = 1;
-  bool is_key = 2;
+  AddColumnLocation location = 3;
-
-  message Location {
-    enum LocationType {
-      FIRST = 0;
-      AFTER = 1;
-    }
-    LocationType location_type = 1;
-    string after_column_name = 2;
-  }
-  Location location = 3;
 }
 
 message DropColumn { string name = 1; }
 
 message TableId { uint32 id = 1; }
+
+message ColumnDef {
+  string name = 1;
+  ColumnDataType data_type = 2;
+  bool is_nullable = 3;
+  bytes default_constraint = 4;
+  SemanticType semantic_type = 5;
+}
+
+message AddColumnLocation {
+  enum LocationType {
+    FIRST = 0;
+    AFTER = 1;
+  }
+  LocationType location_type = 1;
+  string after_column_name = 2;
+}

proto/greptime/v1/region/server.proto

@@ -22,6 +22,7 @@ option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/regio
 
 import "greptime/v1/common.proto";
 import "greptime/v1/row.proto";
+import "greptime/v1/ddl.proto";
 
 service Region { rpc Handle(RegionRequest) returns (RegionResponse); }
 
@@ -78,7 +79,7 @@ message CreateRequest {
   // Region engine name
   string engine = 2;
   // Columns in this region.
-  repeated ColumnDef column_defs = 3;
+  repeated RegionColumnDef column_defs = 3;
   // Column Id of primary keys.
   repeated uint32 primary_key = 4;
   // Create region if not exists.
@@ -110,18 +111,41 @@ message OpenRequest {
 
 message CloseRequest { uint64 region_id = 1; }
 
-// TODO: implement alter request
+message AlterRequest {
-message AlterRequest { uint64 region_id = 1; }
+  uint64 region_id = 1;
+  oneof kind {
+    AddColumns add_columns = 2;
+    DropColumns drop_columns = 3;
+  }
+  // The version of the schema before applying the alteration.
+  uint64 schema_version = 4;
+}
+
+message AddColumns {
+  repeated AddColumn add_columns = 1;
+}
+
+message DropColumns {
+  repeated DropColumn drop_columns = 1;
+}
+
+message AddColumn {
+  RegionColumnDef column_def = 1;
+  AddColumnLocation location = 3;
+}
+
+message DropColumn {
+  string name = 1;
+}
 
 message FlushRequest { uint64 region_id = 1; }
 
 message CompactRequest { uint64 region_id = 1; }
 
-message ColumnDef {
+// The column definition of a region. Unlike the message `ColumnDef` in `ddl.proto` which is for clients outside
-  string name = 1;
+// GreptimeDB, this `RegionColumnDef` is for region requests use only. So it carries an extra field `column_id` that
+// is known internally.
+message RegionColumnDef {
+  ColumnDef column_def = 1;
   uint32 column_id = 2;
-  ColumnDataType datatype = 3;
-  bool is_nullable = 4;
-  bytes default_constraint = 5;
-  SemanticType semantic_type = 6;
 }