feat: truncate table (#70)

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

@@ -156,6 +156,22 @@ struct CreateDatabaseExprDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 CreateDatabaseExprDefaultTypeInternal _CreateDatabaseExpr_default_instance_;
+PROTOBUF_CONSTEXPR TruncateTableExpr::TruncateTableExpr(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*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_._cached_size_)*/{}} {}
+struct TruncateTableExprDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR TruncateTableExprDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~TruncateTableExprDefaultTypeInternal() {}
+  union {
+    TruncateTableExpr _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TruncateTableExprDefaultTypeInternal _TruncateTableExpr_default_instance_;
 PROTOBUF_CONSTEXPR AddColumns::AddColumns(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.add_columns_)*/{}
@@ -252,7 +268,7 @@ struct TableIdDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TableIdDefaultTypeInternal _TableId_default_instance_;
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fddl_2eproto[15];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fddl_2eproto[16];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fddl_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fddl_2eproto = nullptr;
 
@@ -269,6 +285,7 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
+  ::_pbi::kInvalidFieldOffsetTag,
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DdlRequest, _impl_.expr_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse, _internal_metadata_),
@@ -362,6 +379,16 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateDatabaseExpr, _impl_.database_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateDatabaseExpr, _impl_.create_if_not_exists_),
   ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::TruncateTableExpr, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::TruncateTableExpr, _impl_.catalog_name_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::TruncateTableExpr, _impl_.schema_name_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::TruncateTableExpr, _impl_.table_name_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::TruncateTableExpr, _impl_.table_id_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::AddColumns, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -416,20 +443,21 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
   { 0, -1, -1, sizeof(::greptime::v1::DdlRequest)},
-  { 13, 21, -1, sizeof(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse)},
+  { 14, 22, -1, sizeof(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse)},
-  { 23, -1, -1, sizeof(::greptime::v1::CreateTableExpr)},
+  { 24, -1, -1, sizeof(::greptime::v1::CreateTableExpr)},
-  { 41, -1, -1, sizeof(::greptime::v1::AlterExpr)},
+  { 42, -1, -1, sizeof(::greptime::v1::AlterExpr)},
-  { 56, -1, -1, sizeof(::greptime::v1::DropTableExpr)},
+  { 57, -1, -1, sizeof(::greptime::v1::DropTableExpr)},
-  { 66, 77, -1, sizeof(::greptime::v1::FlushTableExpr)},
+  { 67, 78, -1, sizeof(::greptime::v1::FlushTableExpr)},
-  { 82, 92, -1, sizeof(::greptime::v1::CompactTableExpr)},
+  { 83, 93, -1, sizeof(::greptime::v1::CompactTableExpr)},
-  { 96, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
+  { 97, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
-  { 104, -1, -1, sizeof(::greptime::v1::AddColumns)},
+  { 105, -1, -1, sizeof(::greptime::v1::TruncateTableExpr)},
-  { 111, -1, -1, sizeof(::greptime::v1::DropColumns)},
+  { 115, -1, -1, sizeof(::greptime::v1::AddColumns)},
-  { 118, -1, -1, sizeof(::greptime::v1::RenameTable)},
+  { 122, -1, -1, sizeof(::greptime::v1::DropColumns)},
-  { 125, -1, -1, sizeof(::greptime::v1::AddColumn_Location)},
+  { 129, -1, -1, sizeof(::greptime::v1::RenameTable)},
-  { 133, -1, -1, sizeof(::greptime::v1::AddColumn)},
+  { 136, -1, -1, sizeof(::greptime::v1::AddColumn_Location)},
-  { 142, -1, -1, sizeof(::greptime::v1::DropColumn)},
+  { 144, -1, -1, sizeof(::greptime::v1::AddColumn)},
-  { 149, -1, -1, sizeof(::greptime::v1::TableId)},
+  { 153, -1, -1, sizeof(::greptime::v1::DropColumn)},
+  { 160, -1, -1, sizeof(::greptime::v1::TableId)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -441,6 +469,7 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::_FlushTableExpr_default_instance_._instance,
   &::greptime::v1::_CompactTableExpr_default_instance_._instance,
   &::greptime::v1::_CreateDatabaseExpr_default_instance_._instance,
+  &::greptime::v1::_TruncateTableExpr_default_instance_._instance,
   &::greptime::v1::_AddColumns_default_instance_._instance,
   &::greptime::v1::_DropColumns_default_instance_._instance,
   &::greptime::v1::_RenameTable_default_instance_._instance,
@@ -452,7 +481,7 @@ static const ::_pb::Message* const file_default_instances[] = {
 
 const char descriptor_table_protodef_greptime_2fv1_2fddl_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
   "\n\025greptime/v1/ddl.proto\022\013greptime.v1\032\030gr"
-  "eptime/v1/column.proto\"\315\002\n\nDdlRequest\022:\n"
+  "eptime/v1/column.proto\"\207\003\n\nDdlRequest\022:\n"
   "\017create_database\030\001 \001(\0132\037.greptime.v1.Cre"
   "ateDatabaseExprH\000\0224\n\014create_table\030\002 \001(\0132"
   "\034.greptime.v1.CreateTableExprH\000\022\'\n\005alter"
@@ -460,61 +489,65 @@ const char descriptor_table_protodef_greptime_2fv1_2fddl_2eproto[] PROTOBUF_SECT
   "_table\030\004 \001(\0132\032.greptime.v1.DropTableExpr"
   "H\000\0222\n\013flush_table\030\005 \001(\0132\033.greptime.v1.Fl"
   "ushTableExprH\000\0226\n\rcompact_table\030\006 \001(\0132\035."
-  "greptime.v1.CompactTableExprH\000B\006\n\004expr\"\237"
+  "greptime.v1.CompactTableExprH\000\0228\n\016trunca"
-  "\003\n\017CreateTableExpr\022\024\n\014catalog_name\030\001 \001(\t"
+  "te_table\030\007 \001(\0132\036.greptime.v1.TruncateTab"
-  "\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001("
+  "leExprH\000B\006\n\004expr\"\237\003\n\017CreateTableExpr\022\024\n\014"
-  "\t\022\014\n\004desc\030\004 \001(\t\022+\n\013column_defs\030\005 \003(\0132\026.g"
+  "catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022"
-  "reptime.v1.ColumnDef\022\022\n\ntime_index\030\006 \001(\t"
+  "\022\n\ntable_name\030\003 \001(\t\022\014\n\004desc\030\004 \001(\t\022+\n\013col"
-  "\022\024\n\014primary_keys\030\007 \003(\t\022\034\n\024create_if_not_"
+  "umn_defs\030\005 \003(\0132\026.greptime.v1.ColumnDef\022\022"
-  "exists\030\010 \001(\010\022E\n\rtable_options\030\t \003(\0132..gr"
+  "\n\ntime_index\030\006 \001(\t\022\024\n\014primary_keys\030\007 \003(\t"
-  "eptime.v1.CreateTableExpr.TableOptionsEn"
+  "\022\034\n\024create_if_not_exists\030\010 \001(\010\022E\n\rtable_"
-  "try\022&\n\010table_id\030\n \001(\0132\024.greptime.v1.Tabl"
+  "options\030\t \003(\0132..greptime.v1.CreateTableE"
-  "eId\022\026\n\016region_numbers\030\013 \003(\r\022\016\n\006engine\030\014 "
+  "xpr.TableOptionsEntry\022&\n\010table_id\030\n \001(\0132"
-  "\001(\t\0323\n\021TableOptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n"
+  "\024.greptime.v1.TableId\022\026\n\016region_numbers\030"
-  "\005value\030\002 \001(\t:\0028\001\"\245\002\n\tAlterExpr\022\024\n\014catalo"
+  "\013 \003(\r\022\016\n\006engine\030\014 \001(\t\0323\n\021TableOptionsEnt"
-  "g_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntab"
+  "ry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\245\002\n\tA"
-  "le_name\030\003 \001(\t\022.\n\013add_columns\030\004 \001(\0132\027.gre"
+  "lterExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schema"
-  "ptime.v1.AddColumnsH\000\0220\n\014drop_columns\030\005 "
+  "_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022.\n\013add_c"
-  "\001(\0132\030.greptime.v1.DropColumnsH\000\0220\n\014renam"
+  "olumns\030\004 \001(\0132\027.greptime.v1.AddColumnsH\000\022"
-  "e_table\030\006 \001(\0132\030.greptime.v1.RenameTableH"
+  "0\n\014drop_columns\030\005 \001(\0132\030.greptime.v1.Drop"
-  "\000\022&\n\010table_id\030\007 \001(\0132\024.greptime.v1.TableI"
+  "ColumnsH\000\0220\n\014rename_table\030\006 \001(\0132\030.grepti"
-  "d\022\025\n\rtable_version\030\010 \001(\004B\006\n\004kind\"v\n\rDrop"
+  "me.v1.RenameTableH\000\022&\n\010table_id\030\007 \001(\0132\024."
-  "TableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schem"
+  "greptime.v1.TableId\022\025\n\rtable_version\030\010 \001"
-  "a_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022&\n\010tabl"
+  "(\004B\006\n\004kind\"v\n\rDropTableExpr\022\024\n\014catalog_n"
-  "e_id\030\004 \001(\0132\024.greptime.v1.TableId\"\245\001\n\016Flu"
+  "ame\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_"
-  "shTableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013sch"
+  "name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024.greptime."
-  "ema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022\032\n\rre"
+  "v1.TableId\"\245\001\n\016FlushTableExpr\022\024\n\014catalog"
-  "gion_number\030\004 \001(\rH\000\210\001\001\022&\n\010table_id\030\005 \001(\013"
+  "_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntabl"
-  "2\024.greptime.v1.TableIdB\020\n\016_region_number"
+  "e_name\030\003 \001(\t\022\032\n\rregion_number\030\004 \001(\rH\000\210\001\001"
-  "\"\177\n\020CompactTableExpr\022\024\n\014catalog_name\030\001 \001"
+  "\022&\n\010table_id\030\005 \001(\0132\024.greptime.v1.TableId"
-  "(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 "
+  "B\020\n\016_region_number\"\177\n\020CompactTableExpr\022\024"
-  "\001(\t\022\032\n\rregion_number\030\004 \001(\rH\000\210\001\001B\020\n\016_regi"
+  "\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001("
-  "on_number\"I\n\022CreateDatabaseExpr\022\025\n\rdatab"
+  "\t\022\022\n\ntable_name\030\003 \001(\t\022\032\n\rregion_number\030\004"
-  "ase_name\030\001 \001(\t\022\034\n\024create_if_not_exists\030\002"
+  " \001(\rH\000\210\001\001B\020\n\016_region_number\"I\n\022CreateDat"
-  " \001(\010\"9\n\nAddColumns\022+\n\013add_columns\030\001 \003(\0132"
+  "abaseExpr\022\025\n\rdatabase_name\030\001 \001(\t\022\034\n\024crea"
-  "\026.greptime.v1.AddColumn\"<\n\013DropColumns\022-"
+  "te_if_not_exists\030\002 \001(\010\"z\n\021TruncateTableE"
-  "\n\014drop_columns\030\001 \003(\0132\027.greptime.v1.DropC"
+  "xpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_name"
-  "olumn\"%\n\013RenameTable\022\026\n\016new_table_name\030\001"
+  "\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004"
-  " \001(\t\"\215\002\n\tAddColumn\022*\n\ncolumn_def\030\001 \001(\0132\026"
+  " \001(\0132\024.greptime.v1.TableId\"9\n\nAddColumns"
-  ".greptime.v1.ColumnDef\022\016\n\006is_key\030\002 \001(\010\0221"
+  "\022+\n\013add_columns\030\001 \003(\0132\026.greptime.v1.AddC"
-  "\n\010location\030\003 \001(\0132\037.greptime.v1.AddColumn"
+  "olumn\"<\n\013DropColumns\022-\n\014drop_columns\030\001 \003"
-  ".Location\032\220\001\n\010Location\022C\n\rlocation_type\030"
+  "(\0132\027.greptime.v1.DropColumn\"%\n\013RenameTab"
-  "\001 \001(\0162,.greptime.v1.AddColumn.Location.L"
+  "le\022\026\n\016new_table_name\030\001 \001(\t\"\215\002\n\tAddColumn"
-  "ocationType\022\031\n\021after_cloumn_name\030\002 \001(\t\"$"
+  "\022*\n\ncolumn_def\030\001 \001(\0132\026.greptime.v1.Colum"
-  "\n\014LocationType\022\t\n\005FIRST\020\000\022\t\n\005AFTER\020\001\"\032\n\n"
+  "nDef\022\016\n\006is_key\030\002 \001(\010\0221\n\010location\030\003 \001(\0132\037"
-  "DropColumn\022\014\n\004name\030\001 \001(\t\"\025\n\007TableId\022\n\n\002i"
+  ".greptime.v1.AddColumn.Location\032\220\001\n\010Loca"
-  "d\030\001 \001(\rBL\n\016io.greptime.v1B\003DdlZ5github.c"
+  "tion\022C\n\rlocation_type\030\001 \001(\0162,.greptime.v"
-  "om/GreptimeTeam/greptime-proto/go/grepti"
+  "1.AddColumn.Location.LocationType\022\031\n\021aft"
-  "me/v1b\006proto3"
+  "er_cloumn_name\030\002 \001(\t\"$\n\014LocationType\022\t\n\005"
+  "FIRST\020\000\022\t\n\005AFTER\020\001\"\032\n\nDropColumn\022\014\n\004name"
+  "\030\001 \001(\t\"\025\n\007TableId\022\n\n\002id\030\001 \001(\rBL\n\016io.grep"
+  "time.v1B\003DdlZ5github.com/GreptimeTeam/gr"
+  "eptime-proto/go/greptime/v1b\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fddl_2eproto_deps[1] = {
   &::descriptor_table_greptime_2fv1_2fcolumn_2eproto,
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fddl_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fddl_2eproto = {
-    false, false, 2173, descriptor_table_protodef_greptime_2fv1_2fddl_2eproto,
+    false, false, 2355, 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, 15,
+    &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,
     file_level_metadata_greptime_2fv1_2fddl_2eproto, file_level_enum_descriptors_greptime_2fv1_2fddl_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fddl_2eproto,
@@ -559,6 +592,7 @@ class DdlRequest::_Internal {
   static const ::greptime::v1::DropTableExpr& drop_table(const DdlRequest* msg);
   static const ::greptime::v1::FlushTableExpr& flush_table(const DdlRequest* msg);
   static const ::greptime::v1::CompactTableExpr& compact_table(const DdlRequest* msg);
+  static const ::greptime::v1::TruncateTableExpr& truncate_table(const DdlRequest* msg);
 };
 
 const ::greptime::v1::CreateDatabaseExpr&
@@ -585,6 +619,10 @@ const ::greptime::v1::CompactTableExpr&
 DdlRequest::_Internal::compact_table(const DdlRequest* msg) {
   return *msg->_impl_.expr_.compact_table_;
 }
+const ::greptime::v1::TruncateTableExpr&
+DdlRequest::_Internal::truncate_table(const DdlRequest* msg) {
+  return *msg->_impl_.expr_.truncate_table_;
+}
 void DdlRequest::set_allocated_create_database(::greptime::v1::CreateDatabaseExpr* create_database) {
   ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
   clear_expr();
@@ -675,6 +713,21 @@ void DdlRequest::set_allocated_compact_table(::greptime::v1::CompactTableExpr* c
   }
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.DdlRequest.compact_table)
 }
+void DdlRequest::set_allocated_truncate_table(::greptime::v1::TruncateTableExpr* truncate_table) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  clear_expr();
+  if (truncate_table) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+      ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(truncate_table);
+    if (message_arena != submessage_arena) {
+      truncate_table = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, truncate_table, submessage_arena);
+    }
+    set_has_truncate_table();
+    _impl_.expr_.truncate_table_ = truncate_table;
+  }
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.DdlRequest.truncate_table)
+}
 DdlRequest::DdlRequest(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -722,6 +775,11 @@ DdlRequest::DdlRequest(const DdlRequest& from)
           from._internal_compact_table());
       break;
     }
+    case kTruncateTable: {
+      _this->_internal_mutable_truncate_table()->::greptime::v1::TruncateTableExpr::MergeFrom(
+          from._internal_truncate_table());
+      break;
+    }
     case EXPR_NOT_SET: {
       break;
     }
@@ -800,6 +858,12 @@ void DdlRequest::clear_expr() {
       }
       break;
     }
+    case kTruncateTable: {
+      if (GetArenaForAllocation() == nullptr) {
+        delete _impl_.expr_.truncate_table_;
+      }
+      break;
+    }
     case EXPR_NOT_SET: {
       break;
     }
@@ -872,6 +936,14 @@ const char* DdlRequest::_InternalParse(const char* ptr, ::_pbi::ParseContext* ct
         } else
           goto handle_unusual;
         continue;
+      // .greptime.v1.TruncateTableExpr truncate_table = 7;
+      case 7:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 58)) {
+          ptr = ctx->ParseMessage(_internal_mutable_truncate_table(), ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -943,6 +1015,13 @@ uint8_t* DdlRequest::_InternalSerialize(
         _Internal::compact_table(this).GetCachedSize(), target, stream);
   }
 
+  // .greptime.v1.TruncateTableExpr truncate_table = 7;
+  if (_internal_has_truncate_table()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(7, _Internal::truncate_table(this),
+        _Internal::truncate_table(this).GetCachedSize(), target, stream);
+  }
+
   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);
@@ -1002,6 +1081,13 @@ size_t DdlRequest::ByteSizeLong() const {
           *_impl_.expr_.compact_table_);
       break;
     }
+    // .greptime.v1.TruncateTableExpr truncate_table = 7;
+    case kTruncateTable: {
+      total_size += 1 +
+        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+          *_impl_.expr_.truncate_table_);
+      break;
+    }
     case EXPR_NOT_SET: {
       break;
     }
@@ -1055,6 +1141,11 @@ void DdlRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PRO
           from._internal_compact_table());
       break;
     }
+    case kTruncateTable: {
+      _this->_internal_mutable_truncate_table()->::greptime::v1::TruncateTableExpr::MergeFrom(
+          from._internal_truncate_table());
+      break;
+    }
     case EXPR_NOT_SET: {
       break;
     }
@@ -3707,6 +3798,351 @@ void CreateDatabaseExpr::InternalSwap(CreateDatabaseExpr* other) {
 
 // ===================================================================
 
+class TruncateTableExpr::_Internal {
+ public:
+  static const ::greptime::v1::TableId& table_id(const TruncateTableExpr* msg);
+};
+
+const ::greptime::v1::TableId&
+TruncateTableExpr::_Internal::table_id(const TruncateTableExpr* msg) {
+  return *msg->_impl_.table_id_;
+}
+TruncateTableExpr::TruncateTableExpr(::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.TruncateTableExpr)
+}
+TruncateTableExpr::TruncateTableExpr(const TruncateTableExpr& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  TruncateTableExpr* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.catalog_name_){}
+    , decltype(_impl_.schema_name_){}
+    , decltype(_impl_.table_name_){}
+    , decltype(_impl_.table_id_){nullptr}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  _impl_.catalog_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.catalog_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_catalog_name().empty()) {
+    _this->_impl_.catalog_name_.Set(from._internal_catalog_name(), 
+      _this->GetArenaForAllocation());
+  }
+  _impl_.schema_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.schema_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_schema_name().empty()) {
+    _this->_impl_.schema_name_.Set(from._internal_schema_name(), 
+      _this->GetArenaForAllocation());
+  }
+  _impl_.table_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.table_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_table_name().empty()) {
+    _this->_impl_.table_name_.Set(from._internal_table_name(), 
+      _this->GetArenaForAllocation());
+  }
+  if (from._internal_has_table_id()) {
+    _this->_impl_.table_id_ = new ::greptime::v1::TableId(*from._impl_.table_id_);
+  }
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.TruncateTableExpr)
+}
+
+inline void TruncateTableExpr::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.catalog_name_){}
+    , decltype(_impl_.schema_name_){}
+    , decltype(_impl_.table_name_){}
+    , decltype(_impl_.table_id_){nullptr}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+  _impl_.catalog_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.catalog_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  _impl_.schema_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.schema_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  _impl_.table_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.table_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+}
+
+TruncateTableExpr::~TruncateTableExpr() {
+  // @@protoc_insertion_point(destructor:greptime.v1.TruncateTableExpr)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void TruncateTableExpr::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.catalog_name_.Destroy();
+  _impl_.schema_name_.Destroy();
+  _impl_.table_name_.Destroy();
+  if (this != internal_default_instance()) delete _impl_.table_id_;
+}
+
+void TruncateTableExpr::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void TruncateTableExpr::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.TruncateTableExpr)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.catalog_name_.ClearToEmpty();
+  _impl_.schema_name_.ClearToEmpty();
+  _impl_.table_name_.ClearToEmpty();
+  if (GetArenaForAllocation() == nullptr && _impl_.table_id_ != nullptr) {
+    delete _impl_.table_id_;
+  }
+  _impl_.table_id_ = nullptr;
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* TruncateTableExpr::_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 catalog_name = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
+          auto str = _internal_mutable_catalog_name();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+          CHK_(::_pbi::VerifyUTF8(str, "greptime.v1.TruncateTableExpr.catalog_name"));
+        } else
+          goto handle_unusual;
+        continue;
+      // string schema_name = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 18)) {
+          auto str = _internal_mutable_schema_name();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+          CHK_(::_pbi::VerifyUTF8(str, "greptime.v1.TruncateTableExpr.schema_name"));
+        } else
+          goto handle_unusual;
+        continue;
+      // string table_name = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
+          auto str = _internal_mutable_table_name();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+          CHK_(::_pbi::VerifyUTF8(str, "greptime.v1.TruncateTableExpr.table_name"));
+        } else
+          goto handle_unusual;
+        continue;
+      // .greptime.v1.TableId table_id = 4;
+      case 4:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
+          ptr = ctx->ParseMessage(_internal_mutable_table_id(), ptr);
+          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* TruncateTableExpr::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.TruncateTableExpr)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string catalog_name = 1;
+  if (!this->_internal_catalog_name().empty()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_catalog_name().data(), static_cast<int>(this->_internal_catalog_name().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "greptime.v1.TruncateTableExpr.catalog_name");
+    target = stream->WriteStringMaybeAliased(
+        1, this->_internal_catalog_name(), target);
+  }
+
+  // string schema_name = 2;
+  if (!this->_internal_schema_name().empty()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_schema_name().data(), static_cast<int>(this->_internal_schema_name().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "greptime.v1.TruncateTableExpr.schema_name");
+    target = stream->WriteStringMaybeAliased(
+        2, this->_internal_schema_name(), target);
+  }
+
+  // string table_name = 3;
+  if (!this->_internal_table_name().empty()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_table_name().data(), static_cast<int>(this->_internal_table_name().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "greptime.v1.TruncateTableExpr.table_name");
+    target = stream->WriteStringMaybeAliased(
+        3, this->_internal_table_name(), target);
+  }
+
+  // .greptime.v1.TableId table_id = 4;
+  if (this->_internal_has_table_id()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(4, _Internal::table_id(this),
+        _Internal::table_id(this).GetCachedSize(), target, stream);
+  }
+
+  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.TruncateTableExpr)
+  return target;
+}
+
+size_t TruncateTableExpr::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.TruncateTableExpr)
+  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 catalog_name = 1;
+  if (!this->_internal_catalog_name().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_catalog_name());
+  }
+
+  // string schema_name = 2;
+  if (!this->_internal_schema_name().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_schema_name());
+  }
+
+  // string table_name = 3;
+  if (!this->_internal_table_name().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_table_name());
+  }
+
+  // .greptime.v1.TableId table_id = 4;
+  if (this->_internal_has_table_id()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+        *_impl_.table_id_);
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData TruncateTableExpr::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    TruncateTableExpr::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*TruncateTableExpr::GetClassData() const { return &_class_data_; }
+
+
+void TruncateTableExpr::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<TruncateTableExpr*>(&to_msg);
+  auto& from = static_cast<const TruncateTableExpr&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.TruncateTableExpr)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (!from._internal_catalog_name().empty()) {
+    _this->_internal_set_catalog_name(from._internal_catalog_name());
+  }
+  if (!from._internal_schema_name().empty()) {
+    _this->_internal_set_schema_name(from._internal_schema_name());
+  }
+  if (!from._internal_table_name().empty()) {
+    _this->_internal_set_table_name(from._internal_table_name());
+  }
+  if (from._internal_has_table_id()) {
+    _this->_internal_mutable_table_id()->::greptime::v1::TableId::MergeFrom(
+        from._internal_table_id());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void TruncateTableExpr::CopyFrom(const TruncateTableExpr& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.TruncateTableExpr)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool TruncateTableExpr::IsInitialized() const {
+  return true;
+}
+
+void TruncateTableExpr::InternalSwap(TruncateTableExpr* 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_.catalog_name_, lhs_arena,
+      &other->_impl_.catalog_name_, rhs_arena
+  );
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
+      &_impl_.schema_name_, lhs_arena,
+      &other->_impl_.schema_name_, rhs_arena
+  );
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
+      &_impl_.table_name_, lhs_arena,
+      &other->_impl_.table_name_, rhs_arena
+  );
+  swap(_impl_.table_id_, other->_impl_.table_id_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata TruncateTableExpr::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[8]);
+}
+
+// ===================================================================
+
 class AddColumns::_Internal {
  public:
 };
@@ -3887,7 +4323,7 @@ void AddColumns::InternalSwap(AddColumns* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AddColumns::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[8]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[9]);
 }
 
 // ===================================================================
@@ -4072,7 +4508,7 @@ void DropColumns::InternalSwap(DropColumns* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata DropColumns::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[9]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[10]);
 }
 
 // ===================================================================
@@ -4275,7 +4711,7 @@ void RenameTable::InternalSwap(RenameTable* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata RenameTable::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[10]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[11]);
 }
 
 // ===================================================================
@@ -4508,7 +4944,7 @@ void AddColumn_Location::InternalSwap(AddColumn_Location* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AddColumn_Location::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[11]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[12]);
 }
 
 // ===================================================================
@@ -4779,7 +5215,7 @@ void AddColumn::InternalSwap(AddColumn* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AddColumn::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[12]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[13]);
 }
 
 // ===================================================================
@@ -4982,7 +5418,7 @@ void DropColumn::InternalSwap(DropColumn* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata DropColumn::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[13]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[14]);
 }
 
 // ===================================================================
@@ -5160,7 +5596,7 @@ void TableId::InternalSwap(TableId* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata TableId::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[14]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[15]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -5199,6 +5635,10 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::CreateDatabaseExpr*
 Arena::CreateMaybeMessage< ::greptime::v1::CreateDatabaseExpr >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::CreateDatabaseExpr >(arena);
 }
+template<> PROTOBUF_NOINLINE ::greptime::v1::TruncateTableExpr*
+Arena::CreateMaybeMessage< ::greptime::v1::TruncateTableExpr >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::TruncateTableExpr >(arena);
+}
 template<> PROTOBUF_NOINLINE ::greptime::v1::AddColumns*
 Arena::CreateMaybeMessage< ::greptime::v1::AddColumns >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::AddColumns >(arena);

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

@@ -96,6 +96,9 @@ extern RenameTableDefaultTypeInternal _RenameTable_default_instance_;
 class TableId;
 struct TableIdDefaultTypeInternal;
 extern TableIdDefaultTypeInternal _TableId_default_instance_;
+class TruncateTableExpr;
+struct TruncateTableExprDefaultTypeInternal;
+extern TruncateTableExprDefaultTypeInternal _TruncateTableExpr_default_instance_;
 }  // namespace v1
 }  // namespace greptime
 PROTOBUF_NAMESPACE_OPEN
@@ -114,6 +117,7 @@ template<> ::greptime::v1::DropTableExpr* Arena::CreateMaybeMessage<::greptime::
 template<> ::greptime::v1::FlushTableExpr* Arena::CreateMaybeMessage<::greptime::v1::FlushTableExpr>(Arena*);
 template<> ::greptime::v1::RenameTable* Arena::CreateMaybeMessage<::greptime::v1::RenameTable>(Arena*);
 template<> ::greptime::v1::TableId* Arena::CreateMaybeMessage<::greptime::v1::TableId>(Arena*);
+template<> ::greptime::v1::TruncateTableExpr* Arena::CreateMaybeMessage<::greptime::v1::TruncateTableExpr>(Arena*);
 PROTOBUF_NAMESPACE_CLOSE
 namespace greptime {
 namespace v1 {
@@ -195,6 +199,7 @@ class DdlRequest final :
     kDropTable = 4,
     kFlushTable = 5,
     kCompactTable = 6,
+    kTruncateTable = 7,
     EXPR_NOT_SET = 0,
   };
 
@@ -282,6 +287,7 @@ class DdlRequest final :
     kDropTableFieldNumber = 4,
     kFlushTableFieldNumber = 5,
     kCompactTableFieldNumber = 6,
+    kTruncateTableFieldNumber = 7,
   };
   // .greptime.v1.CreateDatabaseExpr create_database = 1;
   bool has_create_database() const;
@@ -391,6 +397,24 @@ class DdlRequest final :
       ::greptime::v1::CompactTableExpr* compact_table);
   ::greptime::v1::CompactTableExpr* unsafe_arena_release_compact_table();
 
+  // .greptime.v1.TruncateTableExpr truncate_table = 7;
+  bool has_truncate_table() const;
+  private:
+  bool _internal_has_truncate_table() const;
+  public:
+  void clear_truncate_table();
+  const ::greptime::v1::TruncateTableExpr& truncate_table() const;
+  PROTOBUF_NODISCARD ::greptime::v1::TruncateTableExpr* release_truncate_table();
+  ::greptime::v1::TruncateTableExpr* mutable_truncate_table();
+  void set_allocated_truncate_table(::greptime::v1::TruncateTableExpr* truncate_table);
+  private:
+  const ::greptime::v1::TruncateTableExpr& _internal_truncate_table() const;
+  ::greptime::v1::TruncateTableExpr* _internal_mutable_truncate_table();
+  public:
+  void unsafe_arena_set_allocated_truncate_table(
+      ::greptime::v1::TruncateTableExpr* truncate_table);
+  ::greptime::v1::TruncateTableExpr* unsafe_arena_release_truncate_table();
+
   void clear_expr();
   ExprCase expr_case() const;
   // @@protoc_insertion_point(class_scope:greptime.v1.DdlRequest)
@@ -402,6 +426,7 @@ class DdlRequest final :
   void set_has_drop_table();
   void set_has_flush_table();
   void set_has_compact_table();
+  void set_has_truncate_table();
 
   inline bool has_expr() const;
   inline void clear_has_expr();
@@ -419,6 +444,7 @@ class DdlRequest final :
       ::greptime::v1::DropTableExpr* drop_table_;
       ::greptime::v1::FlushTableExpr* flush_table_;
       ::greptime::v1::CompactTableExpr* compact_table_;
+      ::greptime::v1::TruncateTableExpr* truncate_table_;
     } expr_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     uint32_t _oneof_case_[1];
@@ -1906,6 +1932,211 @@ class CreateDatabaseExpr final :
 };
 // -------------------------------------------------------------------
 
+class TruncateTableExpr final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.TruncateTableExpr) */ {
+ public:
+  inline TruncateTableExpr() : TruncateTableExpr(nullptr) {}
+  ~TruncateTableExpr() override;
+  explicit PROTOBUF_CONSTEXPR TruncateTableExpr(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  TruncateTableExpr(const TruncateTableExpr& from);
+  TruncateTableExpr(TruncateTableExpr&& from) noexcept
+    : TruncateTableExpr() {
+    *this = ::std::move(from);
+  }
+
+  inline TruncateTableExpr& operator=(const TruncateTableExpr& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline TruncateTableExpr& operator=(TruncateTableExpr&& 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 TruncateTableExpr& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const TruncateTableExpr* internal_default_instance() {
+    return reinterpret_cast<const TruncateTableExpr*>(
+               &_TruncateTableExpr_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    8;
+
+  friend void swap(TruncateTableExpr& a, TruncateTableExpr& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(TruncateTableExpr* 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(TruncateTableExpr* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  TruncateTableExpr* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<TruncateTableExpr>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const TruncateTableExpr& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const TruncateTableExpr& from) {
+    TruncateTableExpr::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(TruncateTableExpr* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.TruncateTableExpr";
+  }
+  protected:
+  explicit TruncateTableExpr(::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 {
+    kCatalogNameFieldNumber = 1,
+    kSchemaNameFieldNumber = 2,
+    kTableNameFieldNumber = 3,
+    kTableIdFieldNumber = 4,
+  };
+  // string catalog_name = 1;
+  void clear_catalog_name();
+  const std::string& catalog_name() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_catalog_name(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_catalog_name();
+  PROTOBUF_NODISCARD std::string* release_catalog_name();
+  void set_allocated_catalog_name(std::string* catalog_name);
+  private:
+  const std::string& _internal_catalog_name() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_catalog_name(const std::string& value);
+  std::string* _internal_mutable_catalog_name();
+  public:
+
+  // string schema_name = 2;
+  void clear_schema_name();
+  const std::string& schema_name() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_schema_name(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_schema_name();
+  PROTOBUF_NODISCARD std::string* release_schema_name();
+  void set_allocated_schema_name(std::string* schema_name);
+  private:
+  const std::string& _internal_schema_name() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_schema_name(const std::string& value);
+  std::string* _internal_mutable_schema_name();
+  public:
+
+  // string table_name = 3;
+  void clear_table_name();
+  const std::string& table_name() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_table_name(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_table_name();
+  PROTOBUF_NODISCARD std::string* release_table_name();
+  void set_allocated_table_name(std::string* table_name);
+  private:
+  const std::string& _internal_table_name() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_table_name(const std::string& value);
+  std::string* _internal_mutable_table_name();
+  public:
+
+  // .greptime.v1.TableId table_id = 4;
+  bool has_table_id() const;
+  private:
+  bool _internal_has_table_id() const;
+  public:
+  void clear_table_id();
+  const ::greptime::v1::TableId& table_id() const;
+  PROTOBUF_NODISCARD ::greptime::v1::TableId* release_table_id();
+  ::greptime::v1::TableId* mutable_table_id();
+  void set_allocated_table_id(::greptime::v1::TableId* table_id);
+  private:
+  const ::greptime::v1::TableId& _internal_table_id() const;
+  ::greptime::v1::TableId* _internal_mutable_table_id();
+  public:
+  void unsafe_arena_set_allocated_table_id(
+      ::greptime::v1::TableId* table_id);
+  ::greptime::v1::TableId* unsafe_arena_release_table_id();
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.TruncateTableExpr)
+ 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 catalog_name_;
+    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr schema_name_;
+    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr table_name_;
+    ::greptime::v1::TableId* table_id_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fddl_2eproto;
+};
+// -------------------------------------------------------------------
+
 class AddColumns final :
     public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.AddColumns) */ {
  public:
@@ -1954,7 +2185,7 @@ class AddColumns final :
                &_AddColumns_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    8;
+    9;
 
   friend void swap(AddColumns& a, AddColumns& b) {
     a.Swap(&b);
@@ -2111,7 +2342,7 @@ class DropColumns final :
                &_DropColumns_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    9;
+    10;
 
   friend void swap(DropColumns& a, DropColumns& b) {
     a.Swap(&b);
@@ -2268,7 +2499,7 @@ class RenameTable final :
                &_RenameTable_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    10;
+    11;
 
   friend void swap(RenameTable& a, RenameTable& b) {
     a.Swap(&b);
@@ -2421,7 +2652,7 @@ class AddColumn_Location final :
                &_AddColumn_Location_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    11;
+    12;
 
   friend void swap(AddColumn_Location& a, AddColumn_Location& b) {
     a.Swap(&b);
@@ -2615,7 +2846,7 @@ class AddColumn final :
                &_AddColumn_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    12;
+    13;
 
   friend void swap(AddColumn& a, AddColumn& b) {
     a.Swap(&b);
@@ -2805,7 +3036,7 @@ class DropColumn final :
                &_DropColumn_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    13;
+    14;
 
   friend void swap(DropColumn& a, DropColumn& b) {
     a.Swap(&b);
@@ -2958,7 +3189,7 @@ class TableId final :
                &_TableId_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    14;
+    15;
 
   friend void swap(TableId& a, TableId& b) {
     a.Swap(&b);
@@ -3511,6 +3742,80 @@ inline ::greptime::v1::CompactTableExpr* DdlRequest::mutable_compact_table() {
   return _msg;
 }
 
+// .greptime.v1.TruncateTableExpr truncate_table = 7;
+inline bool DdlRequest::_internal_has_truncate_table() const {
+  return expr_case() == kTruncateTable;
+}
+inline bool DdlRequest::has_truncate_table() const {
+  return _internal_has_truncate_table();
+}
+inline void DdlRequest::set_has_truncate_table() {
+  _impl_._oneof_case_[0] = kTruncateTable;
+}
+inline void DdlRequest::clear_truncate_table() {
+  if (_internal_has_truncate_table()) {
+    if (GetArenaForAllocation() == nullptr) {
+      delete _impl_.expr_.truncate_table_;
+    }
+    clear_has_expr();
+  }
+}
+inline ::greptime::v1::TruncateTableExpr* DdlRequest::release_truncate_table() {
+  // @@protoc_insertion_point(field_release:greptime.v1.DdlRequest.truncate_table)
+  if (_internal_has_truncate_table()) {
+    clear_has_expr();
+    ::greptime::v1::TruncateTableExpr* temp = _impl_.expr_.truncate_table_;
+    if (GetArenaForAllocation() != nullptr) {
+      temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+    }
+    _impl_.expr_.truncate_table_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline const ::greptime::v1::TruncateTableExpr& DdlRequest::_internal_truncate_table() const {
+  return _internal_has_truncate_table()
+      ? *_impl_.expr_.truncate_table_
+      : reinterpret_cast< ::greptime::v1::TruncateTableExpr&>(::greptime::v1::_TruncateTableExpr_default_instance_);
+}
+inline const ::greptime::v1::TruncateTableExpr& DdlRequest::truncate_table() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.DdlRequest.truncate_table)
+  return _internal_truncate_table();
+}
+inline ::greptime::v1::TruncateTableExpr* DdlRequest::unsafe_arena_release_truncate_table() {
+  // @@protoc_insertion_point(field_unsafe_arena_release:greptime.v1.DdlRequest.truncate_table)
+  if (_internal_has_truncate_table()) {
+    clear_has_expr();
+    ::greptime::v1::TruncateTableExpr* temp = _impl_.expr_.truncate_table_;
+    _impl_.expr_.truncate_table_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline void DdlRequest::unsafe_arena_set_allocated_truncate_table(::greptime::v1::TruncateTableExpr* truncate_table) {
+  clear_expr();
+  if (truncate_table) {
+    set_has_truncate_table();
+    _impl_.expr_.truncate_table_ = truncate_table;
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.DdlRequest.truncate_table)
+}
+inline ::greptime::v1::TruncateTableExpr* DdlRequest::_internal_mutable_truncate_table() {
+  if (!_internal_has_truncate_table()) {
+    clear_expr();
+    set_has_truncate_table();
+    _impl_.expr_.truncate_table_ = CreateMaybeMessage< ::greptime::v1::TruncateTableExpr >(GetArenaForAllocation());
+  }
+  return _impl_.expr_.truncate_table_;
+}
+inline ::greptime::v1::TruncateTableExpr* DdlRequest::mutable_truncate_table() {
+  ::greptime::v1::TruncateTableExpr* _msg = _internal_mutable_truncate_table();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.DdlRequest.truncate_table)
+  return _msg;
+}
+
 inline bool DdlRequest::has_expr() const {
   return expr_case() != EXPR_NOT_SET;
 }
@@ -5393,6 +5698,250 @@ inline void CreateDatabaseExpr::set_create_if_not_exists(bool value) {
 
 // -------------------------------------------------------------------
 
+// TruncateTableExpr
+
+// string catalog_name = 1;
+inline void TruncateTableExpr::clear_catalog_name() {
+  _impl_.catalog_name_.ClearToEmpty();
+}
+inline const std::string& TruncateTableExpr::catalog_name() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.TruncateTableExpr.catalog_name)
+  return _internal_catalog_name();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void TruncateTableExpr::set_catalog_name(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.catalog_name_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:greptime.v1.TruncateTableExpr.catalog_name)
+}
+inline std::string* TruncateTableExpr::mutable_catalog_name() {
+  std::string* _s = _internal_mutable_catalog_name();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.TruncateTableExpr.catalog_name)
+  return _s;
+}
+inline const std::string& TruncateTableExpr::_internal_catalog_name() const {
+  return _impl_.catalog_name_.Get();
+}
+inline void TruncateTableExpr::_internal_set_catalog_name(const std::string& value) {
+  
+  _impl_.catalog_name_.Set(value, GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::_internal_mutable_catalog_name() {
+  
+  return _impl_.catalog_name_.Mutable(GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::release_catalog_name() {
+  // @@protoc_insertion_point(field_release:greptime.v1.TruncateTableExpr.catalog_name)
+  return _impl_.catalog_name_.Release();
+}
+inline void TruncateTableExpr::set_allocated_catalog_name(std::string* catalog_name) {
+  if (catalog_name != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.catalog_name_.SetAllocated(catalog_name, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.catalog_name_.IsDefault()) {
+    _impl_.catalog_name_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.TruncateTableExpr.catalog_name)
+}
+
+// string schema_name = 2;
+inline void TruncateTableExpr::clear_schema_name() {
+  _impl_.schema_name_.ClearToEmpty();
+}
+inline const std::string& TruncateTableExpr::schema_name() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.TruncateTableExpr.schema_name)
+  return _internal_schema_name();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void TruncateTableExpr::set_schema_name(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.schema_name_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:greptime.v1.TruncateTableExpr.schema_name)
+}
+inline std::string* TruncateTableExpr::mutable_schema_name() {
+  std::string* _s = _internal_mutable_schema_name();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.TruncateTableExpr.schema_name)
+  return _s;
+}
+inline const std::string& TruncateTableExpr::_internal_schema_name() const {
+  return _impl_.schema_name_.Get();
+}
+inline void TruncateTableExpr::_internal_set_schema_name(const std::string& value) {
+  
+  _impl_.schema_name_.Set(value, GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::_internal_mutable_schema_name() {
+  
+  return _impl_.schema_name_.Mutable(GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::release_schema_name() {
+  // @@protoc_insertion_point(field_release:greptime.v1.TruncateTableExpr.schema_name)
+  return _impl_.schema_name_.Release();
+}
+inline void TruncateTableExpr::set_allocated_schema_name(std::string* schema_name) {
+  if (schema_name != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.schema_name_.SetAllocated(schema_name, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.schema_name_.IsDefault()) {
+    _impl_.schema_name_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.TruncateTableExpr.schema_name)
+}
+
+// string table_name = 3;
+inline void TruncateTableExpr::clear_table_name() {
+  _impl_.table_name_.ClearToEmpty();
+}
+inline const std::string& TruncateTableExpr::table_name() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.TruncateTableExpr.table_name)
+  return _internal_table_name();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void TruncateTableExpr::set_table_name(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.table_name_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:greptime.v1.TruncateTableExpr.table_name)
+}
+inline std::string* TruncateTableExpr::mutable_table_name() {
+  std::string* _s = _internal_mutable_table_name();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.TruncateTableExpr.table_name)
+  return _s;
+}
+inline const std::string& TruncateTableExpr::_internal_table_name() const {
+  return _impl_.table_name_.Get();
+}
+inline void TruncateTableExpr::_internal_set_table_name(const std::string& value) {
+  
+  _impl_.table_name_.Set(value, GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::_internal_mutable_table_name() {
+  
+  return _impl_.table_name_.Mutable(GetArenaForAllocation());
+}
+inline std::string* TruncateTableExpr::release_table_name() {
+  // @@protoc_insertion_point(field_release:greptime.v1.TruncateTableExpr.table_name)
+  return _impl_.table_name_.Release();
+}
+inline void TruncateTableExpr::set_allocated_table_name(std::string* table_name) {
+  if (table_name != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.table_name_.SetAllocated(table_name, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.table_name_.IsDefault()) {
+    _impl_.table_name_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.TruncateTableExpr.table_name)
+}
+
+// .greptime.v1.TableId table_id = 4;
+inline bool TruncateTableExpr::_internal_has_table_id() const {
+  return this != internal_default_instance() && _impl_.table_id_ != nullptr;
+}
+inline bool TruncateTableExpr::has_table_id() const {
+  return _internal_has_table_id();
+}
+inline void TruncateTableExpr::clear_table_id() {
+  if (GetArenaForAllocation() == nullptr && _impl_.table_id_ != nullptr) {
+    delete _impl_.table_id_;
+  }
+  _impl_.table_id_ = nullptr;
+}
+inline const ::greptime::v1::TableId& TruncateTableExpr::_internal_table_id() const {
+  const ::greptime::v1::TableId* p = _impl_.table_id_;
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::TableId&>(
+      ::greptime::v1::_TableId_default_instance_);
+}
+inline const ::greptime::v1::TableId& TruncateTableExpr::table_id() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.TruncateTableExpr.table_id)
+  return _internal_table_id();
+}
+inline void TruncateTableExpr::unsafe_arena_set_allocated_table_id(
+    ::greptime::v1::TableId* table_id) {
+  if (GetArenaForAllocation() == nullptr) {
+    delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.table_id_);
+  }
+  _impl_.table_id_ = table_id;
+  if (table_id) {
+    
+  } else {
+    
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.TruncateTableExpr.table_id)
+}
+inline ::greptime::v1::TableId* TruncateTableExpr::release_table_id() {
+  
+  ::greptime::v1::TableId* temp = _impl_.table_id_;
+  _impl_.table_id_ = nullptr;
+#ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
+  auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
+  temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  if (GetArenaForAllocation() == nullptr) { delete old; }
+#else  // PROTOBUF_FORCE_COPY_IN_RELEASE
+  if (GetArenaForAllocation() != nullptr) {
+    temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  }
+#endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
+  return temp;
+}
+inline ::greptime::v1::TableId* TruncateTableExpr::unsafe_arena_release_table_id() {
+  // @@protoc_insertion_point(field_release:greptime.v1.TruncateTableExpr.table_id)
+  
+  ::greptime::v1::TableId* temp = _impl_.table_id_;
+  _impl_.table_id_ = nullptr;
+  return temp;
+}
+inline ::greptime::v1::TableId* TruncateTableExpr::_internal_mutable_table_id() {
+  
+  if (_impl_.table_id_ == nullptr) {
+    auto* p = CreateMaybeMessage<::greptime::v1::TableId>(GetArenaForAllocation());
+    _impl_.table_id_ = p;
+  }
+  return _impl_.table_id_;
+}
+inline ::greptime::v1::TableId* TruncateTableExpr::mutable_table_id() {
+  ::greptime::v1::TableId* _msg = _internal_mutable_table_id();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.TruncateTableExpr.table_id)
+  return _msg;
+}
+inline void TruncateTableExpr::set_allocated_table_id(::greptime::v1::TableId* table_id) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  if (message_arena == nullptr) {
+    delete _impl_.table_id_;
+  }
+  if (table_id) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(table_id);
+    if (message_arena != submessage_arena) {
+      table_id = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, table_id, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  _impl_.table_id_ = table_id;
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.TruncateTableExpr.table_id)
+}
+
+// -------------------------------------------------------------------
+
 // AddColumns
 
 // repeated .greptime.v1.AddColumn add_columns = 1;
@@ -5915,6 +6464,8 @@ inline void TableId::set_id(uint32_t value) {
 
 // -------------------------------------------------------------------
 
+// -------------------------------------------------------------------
+
 
 // @@protoc_insertion_point(namespace_scope)
 

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

@@ -64,6 +64,19 @@ struct AlterTableTaskDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 AlterTableTaskDefaultTypeInternal _AlterTableTask_default_instance_;
+PROTOBUF_CONSTEXPR TruncateTableTask::TruncateTableTask(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.truncate_table_)*/nullptr
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct TruncateTableTaskDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR TruncateTableTaskDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~TruncateTableTaskDefaultTypeInternal() {}
+  union {
+    TruncateTableTask _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TruncateTableTaskDefaultTypeInternal _TruncateTableTask_default_instance_;
 PROTOBUF_CONSTEXPR SubmitDdlTaskRequest::SubmitDdlTaskRequest(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.header_)*/nullptr
@@ -97,7 +110,7 @@ PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORIT
 }  // namespace meta
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[5];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[6];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fmeta_2fddl_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fmeta_2fddl_2eproto = nullptr;
 
@@ -126,6 +139,13 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fddl_2eproto::offsets[] PROTOBU
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::AlterTableTask, _impl_.alter_table_),
   ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TruncateTableTask, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TruncateTableTask, _impl_.truncate_table_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::SubmitDdlTaskRequest, _internal_metadata_),
   ~0u,  // no _extensions_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::SubmitDdlTaskRequest, _impl_._oneof_case_[0]),
@@ -135,6 +155,7 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fddl_2eproto::offsets[] PROTOBU
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
+  ::_pbi::kInvalidFieldOffsetTag,
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::SubmitDdlTaskRequest, _impl_.task_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::SubmitDdlTaskResponse, _internal_metadata_),
@@ -150,14 +171,16 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 0, -1, -1, sizeof(::greptime::v1::meta::CreateTableTask)},
   { 9, -1, -1, sizeof(::greptime::v1::meta::DropTableTask)},
   { 16, -1, -1, sizeof(::greptime::v1::meta::AlterTableTask)},
-  { 23, -1, -1, sizeof(::greptime::v1::meta::SubmitDdlTaskRequest)},
+  { 23, -1, -1, sizeof(::greptime::v1::meta::TruncateTableTask)},
-  { 34, -1, -1, sizeof(::greptime::v1::meta::SubmitDdlTaskResponse)},
+  { 30, -1, -1, sizeof(::greptime::v1::meta::SubmitDdlTaskRequest)},
+  { 42, -1, -1, sizeof(::greptime::v1::meta::SubmitDdlTaskResponse)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::meta::_CreateTableTask_default_instance_._instance,
   &::greptime::v1::meta::_DropTableTask_default_instance_._instance,
   &::greptime::v1::meta::_AlterTableTask_default_instance_._instance,
+  &::greptime::v1::meta::_TruncateTableTask_default_instance_._instance,
   &::greptime::v1::meta::_SubmitDdlTaskRequest_default_instance_._instance,
   &::greptime::v1::meta::_SubmitDdlTaskResponse_default_instance_._instance,
 };
@@ -173,22 +196,26 @@ const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto[] PROTOB
   "ableTask\022.\n\ndrop_table\030\001 \001(\0132\032.greptime."
   "v1.DropTableExpr\"=\n\016AlterTableTask\022+\n\013al"
   "ter_table\030\001 \001(\0132\026.greptime.v1.AlterExpr\""
-  "\211\002\n\024SubmitDdlTaskRequest\022/\n\006header\030\001 \001(\013"
+  "K\n\021TruncateTableTask\0226\n\016truncate_table\030\001"
-  "2\037.greptime.v1.meta.RequestHeader\022>\n\021cre"
+  " \001(\0132\036.greptime.v1.TruncateTableExpr\"\315\002\n"
-  "ate_table_task\030\002 \001(\0132!.greptime.v1.meta."
+  "\024SubmitDdlTaskRequest\022/\n\006header\030\001 \001(\0132\037."
-  "CreateTableTaskH\000\022:\n\017drop_table_task\030\003 \001"
+  "greptime.v1.meta.RequestHeader\022>\n\021create"
-  "(\0132\037.greptime.v1.meta.DropTableTaskH\000\022<\n"
+  "_table_task\030\002 \001(\0132!.greptime.v1.meta.Cre"
-  "\020alter_table_task\030\004 \001(\0132 .greptime.v1.me"
+  "ateTableTaskH\000\022:\n\017drop_table_task\030\003 \001(\0132"
-  "ta.AlterTableTaskH\000B\006\n\004task\"\203\001\n\025SubmitDd"
+  "\037.greptime.v1.meta.DropTableTaskH\000\022<\n\020al"
-  "lTaskResponse\0220\n\006header\030\001 \001(\0132 .greptime"
+  "ter_table_task\030\004 \001(\0132 .greptime.v1.meta."
-  ".v1.meta.ResponseHeader\022\013\n\003key\030\002 \001(\014\022+\n\010"
+  "AlterTableTaskH\000\022B\n\023truncate_table_task\030"
-  "table_id\030\004 \001(\0132\031.greptime.v1.meta.TableI"
+  "\005 \001(\0132#.greptime.v1.meta.TruncateTableTa"
-  "d*#\n\013DdlTaskType\022\n\n\006Create\020\000\022\010\n\004Drop\020\0012k"
+  "skH\000B\006\n\004task\"\203\001\n\025SubmitDdlTaskResponse\0220"
-  "\n\007DdlTask\022`\n\rSubmitDdlTask\022&.greptime.v1"
+  "\n\006header\030\001 \001(\0132 .greptime.v1.meta.Respon"
-  ".meta.SubmitDdlTaskRequest\032\'.greptime.v1"
+  "seHeader\022\013\n\003key\030\002 \001(\014\022+\n\010table_id\030\004 \001(\0132"
-  ".meta.SubmitDdlTaskResponseB<Z:github.co"
+  "\031.greptime.v1.meta.TableId*#\n\013DdlTaskTyp"
-  "m/GreptimeTeam/greptime-proto/go/greptim"
+  "e\022\n\n\006Create\020\000\022\010\n\004Drop\020\0012k\n\007DdlTask\022`\n\rSu"
-  "e/v1/metab\006proto3"
+  "bmitDdlTask\022&.greptime.v1.meta.SubmitDdl"
+  "TaskRequest\032\'.greptime.v1.meta.SubmitDdl"
+  "TaskResponseB<Z:github.com/GreptimeTeam/"
+  "greptime-proto/go/greptime/v1/metab\006prot"
+  "o3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_deps[3] = {
   &::descriptor_table_greptime_2fv1_2fddl_2eproto,
@@ -197,9 +224,9 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fmet
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto = {
-    false, false, 1017, descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto,
+    false, false, 1162, descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto,
     "greptime/v1/meta/ddl.proto",
-    &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_deps, 3, 5,
+    &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_deps, 3, 6,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fmeta_2fddl_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto, file_level_enum_descriptors_greptime_2fv1_2fmeta_2fddl_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fmeta_2fddl_2eproto,
@@ -911,12 +938,212 @@ void AlterTableTask::InternalSwap(AlterTableTask* other) {
 
 // ===================================================================
 
+class TruncateTableTask::_Internal {
+ public:
+  static const ::greptime::v1::TruncateTableExpr& truncate_table(const TruncateTableTask* msg);
+};
+
+const ::greptime::v1::TruncateTableExpr&
+TruncateTableTask::_Internal::truncate_table(const TruncateTableTask* msg) {
+  return *msg->_impl_.truncate_table_;
+}
+void TruncateTableTask::clear_truncate_table() {
+  if (GetArenaForAllocation() == nullptr && _impl_.truncate_table_ != nullptr) {
+    delete _impl_.truncate_table_;
+  }
+  _impl_.truncate_table_ = nullptr;
+}
+TruncateTableTask::TruncateTableTask(::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.meta.TruncateTableTask)
+}
+TruncateTableTask::TruncateTableTask(const TruncateTableTask& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  TruncateTableTask* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.truncate_table_){nullptr}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  if (from._internal_has_truncate_table()) {
+    _this->_impl_.truncate_table_ = new ::greptime::v1::TruncateTableExpr(*from._impl_.truncate_table_);
+  }
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.meta.TruncateTableTask)
+}
+
+inline void TruncateTableTask::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.truncate_table_){nullptr}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+}
+
+TruncateTableTask::~TruncateTableTask() {
+  // @@protoc_insertion_point(destructor:greptime.v1.meta.TruncateTableTask)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void TruncateTableTask::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  if (this != internal_default_instance()) delete _impl_.truncate_table_;
+}
+
+void TruncateTableTask::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void TruncateTableTask::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.meta.TruncateTableTask)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  if (GetArenaForAllocation() == nullptr && _impl_.truncate_table_ != nullptr) {
+    delete _impl_.truncate_table_;
+  }
+  _impl_.truncate_table_ = nullptr;
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* TruncateTableTask::_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) {
+      // .greptime.v1.TruncateTableExpr truncate_table = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
+          ptr = ctx->ParseMessage(_internal_mutable_truncate_table(), ptr);
+          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* TruncateTableTask::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.meta.TruncateTableTask)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .greptime.v1.TruncateTableExpr truncate_table = 1;
+  if (this->_internal_has_truncate_table()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(1, _Internal::truncate_table(this),
+        _Internal::truncate_table(this).GetCachedSize(), target, stream);
+  }
+
+  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.meta.TruncateTableTask)
+  return target;
+}
+
+size_t TruncateTableTask::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.meta.TruncateTableTask)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // .greptime.v1.TruncateTableExpr truncate_table = 1;
+  if (this->_internal_has_truncate_table()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+        *_impl_.truncate_table_);
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData TruncateTableTask::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    TruncateTableTask::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*TruncateTableTask::GetClassData() const { return &_class_data_; }
+
+
+void TruncateTableTask::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<TruncateTableTask*>(&to_msg);
+  auto& from = static_cast<const TruncateTableTask&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.meta.TruncateTableTask)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from._internal_has_truncate_table()) {
+    _this->_internal_mutable_truncate_table()->::greptime::v1::TruncateTableExpr::MergeFrom(
+        from._internal_truncate_table());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void TruncateTableTask::CopyFrom(const TruncateTableTask& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.meta.TruncateTableTask)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool TruncateTableTask::IsInitialized() const {
+  return true;
+}
+
+void TruncateTableTask::InternalSwap(TruncateTableTask* other) {
+  using std::swap;
+  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  swap(_impl_.truncate_table_, other->_impl_.truncate_table_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata TruncateTableTask::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[3]);
+}
+
+// ===================================================================
+
 class SubmitDdlTaskRequest::_Internal {
  public:
   static const ::greptime::v1::meta::RequestHeader& header(const SubmitDdlTaskRequest* msg);
   static const ::greptime::v1::meta::CreateTableTask& create_table_task(const SubmitDdlTaskRequest* msg);
   static const ::greptime::v1::meta::DropTableTask& drop_table_task(const SubmitDdlTaskRequest* msg);
   static const ::greptime::v1::meta::AlterTableTask& alter_table_task(const SubmitDdlTaskRequest* msg);
+  static const ::greptime::v1::meta::TruncateTableTask& truncate_table_task(const SubmitDdlTaskRequest* msg);
 };
 
 const ::greptime::v1::meta::RequestHeader&
@@ -935,6 +1162,10 @@ const ::greptime::v1::meta::AlterTableTask&
 SubmitDdlTaskRequest::_Internal::alter_table_task(const SubmitDdlTaskRequest* msg) {
   return *msg->_impl_.task_.alter_table_task_;
 }
+const ::greptime::v1::meta::TruncateTableTask&
+SubmitDdlTaskRequest::_Internal::truncate_table_task(const SubmitDdlTaskRequest* msg) {
+  return *msg->_impl_.task_.truncate_table_task_;
+}
 void SubmitDdlTaskRequest::clear_header() {
   if (GetArenaForAllocation() == nullptr && _impl_.header_ != nullptr) {
     delete _impl_.header_;
@@ -986,6 +1217,21 @@ void SubmitDdlTaskRequest::set_allocated_alter_table_task(::greptime::v1::meta::
   }
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.SubmitDdlTaskRequest.alter_table_task)
 }
+void SubmitDdlTaskRequest::set_allocated_truncate_table_task(::greptime::v1::meta::TruncateTableTask* truncate_table_task) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  clear_task();
+  if (truncate_table_task) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+      ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(truncate_table_task);
+    if (message_arena != submessage_arena) {
+      truncate_table_task = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, truncate_table_task, submessage_arena);
+    }
+    set_has_truncate_table_task();
+    _impl_.task_.truncate_table_task_ = truncate_table_task;
+  }
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+}
 SubmitDdlTaskRequest::SubmitDdlTaskRequest(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -1022,6 +1268,11 @@ SubmitDdlTaskRequest::SubmitDdlTaskRequest(const SubmitDdlTaskRequest& from)
           from._internal_alter_table_task());
       break;
     }
+    case kTruncateTableTask: {
+      _this->_internal_mutable_truncate_table_task()->::greptime::v1::meta::TruncateTableTask::MergeFrom(
+          from._internal_truncate_table_task());
+      break;
+    }
     case TASK_NOT_SET: {
       break;
     }
@@ -1084,6 +1335,12 @@ void SubmitDdlTaskRequest::clear_task() {
       }
       break;
     }
+    case kTruncateTableTask: {
+      if (GetArenaForAllocation() == nullptr) {
+        delete _impl_.task_.truncate_table_task_;
+      }
+      break;
+    }
     case TASK_NOT_SET: {
       break;
     }
@@ -1144,6 +1401,14 @@ const char* SubmitDdlTaskRequest::_InternalParse(const char* ptr, ::_pbi::ParseC
         } else
           goto handle_unusual;
         continue;
+      // .greptime.v1.meta.TruncateTableTask truncate_table_task = 5;
+      case 5:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 42)) {
+          ptr = ctx->ParseMessage(_internal_mutable_truncate_table_task(), ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -1201,6 +1466,13 @@ uint8_t* SubmitDdlTaskRequest::_InternalSerialize(
         _Internal::alter_table_task(this).GetCachedSize(), target, stream);
   }
 
+  // .greptime.v1.meta.TruncateTableTask truncate_table_task = 5;
+  if (_internal_has_truncate_table_task()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(5, _Internal::truncate_table_task(this),
+        _Internal::truncate_table_task(this).GetCachedSize(), target, stream);
+  }
+
   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);
@@ -1246,6 +1518,13 @@ size_t SubmitDdlTaskRequest::ByteSizeLong() const {
           *_impl_.task_.alter_table_task_);
       break;
     }
+    // .greptime.v1.meta.TruncateTableTask truncate_table_task = 5;
+    case kTruncateTableTask: {
+      total_size += 1 +
+        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+          *_impl_.task_.truncate_table_task_);
+      break;
+    }
     case TASK_NOT_SET: {
       break;
     }
@@ -1288,6 +1567,11 @@ void SubmitDdlTaskRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, c
           from._internal_alter_table_task());
       break;
     }
+    case kTruncateTableTask: {
+      _this->_internal_mutable_truncate_table_task()->::greptime::v1::meta::TruncateTableTask::MergeFrom(
+          from._internal_truncate_table_task());
+      break;
+    }
     case TASK_NOT_SET: {
       break;
     }
@@ -1317,7 +1601,7 @@ void SubmitDdlTaskRequest::InternalSwap(SubmitDdlTaskRequest* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata SubmitDdlTaskRequest::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[3]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[4]);
 }
 
 // ===================================================================
@@ -1615,7 +1899,7 @@ void SubmitDdlTaskResponse::InternalSwap(SubmitDdlTaskResponse* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata SubmitDdlTaskResponse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[4]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fddl_2eproto[5]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -1635,6 +1919,10 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::meta::AlterTableTask*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::AlterTableTask >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::AlterTableTask >(arena);
 }
+template<> PROTOBUF_NOINLINE ::greptime::v1::meta::TruncateTableTask*
+Arena::CreateMaybeMessage< ::greptime::v1::meta::TruncateTableTask >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::meta::TruncateTableTask >(arena);
+}
 template<> PROTOBUF_NOINLINE ::greptime::v1::meta::SubmitDdlTaskRequest*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::SubmitDdlTaskRequest >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::SubmitDdlTaskRequest >(arena);

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

@@ -66,6 +66,9 @@ extern SubmitDdlTaskRequestDefaultTypeInternal _SubmitDdlTaskRequest_default_ins
 class SubmitDdlTaskResponse;
 struct SubmitDdlTaskResponseDefaultTypeInternal;
 extern SubmitDdlTaskResponseDefaultTypeInternal _SubmitDdlTaskResponse_default_instance_;
+class TruncateTableTask;
+struct TruncateTableTaskDefaultTypeInternal;
+extern TruncateTableTaskDefaultTypeInternal _TruncateTableTask_default_instance_;
 }  // namespace meta
 }  // namespace v1
 }  // namespace greptime
@@ -75,6 +78,7 @@ template<> ::greptime::v1::meta::CreateTableTask* Arena::CreateMaybeMessage<::gr
 template<> ::greptime::v1::meta::DropTableTask* Arena::CreateMaybeMessage<::greptime::v1::meta::DropTableTask>(Arena*);
 template<> ::greptime::v1::meta::SubmitDdlTaskRequest* Arena::CreateMaybeMessage<::greptime::v1::meta::SubmitDdlTaskRequest>(Arena*);
 template<> ::greptime::v1::meta::SubmitDdlTaskResponse* Arena::CreateMaybeMessage<::greptime::v1::meta::SubmitDdlTaskResponse>(Arena*);
+template<> ::greptime::v1::meta::TruncateTableTask* Arena::CreateMaybeMessage<::greptime::v1::meta::TruncateTableTask>(Arena*);
 PROTOBUF_NAMESPACE_CLOSE
 namespace greptime {
 namespace v1 {
@@ -614,6 +618,163 @@ class AlterTableTask final :
 };
 // -------------------------------------------------------------------
 
+class TruncateTableTask final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.meta.TruncateTableTask) */ {
+ public:
+  inline TruncateTableTask() : TruncateTableTask(nullptr) {}
+  ~TruncateTableTask() override;
+  explicit PROTOBUF_CONSTEXPR TruncateTableTask(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  TruncateTableTask(const TruncateTableTask& from);
+  TruncateTableTask(TruncateTableTask&& from) noexcept
+    : TruncateTableTask() {
+    *this = ::std::move(from);
+  }
+
+  inline TruncateTableTask& operator=(const TruncateTableTask& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline TruncateTableTask& operator=(TruncateTableTask&& 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 TruncateTableTask& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const TruncateTableTask* internal_default_instance() {
+    return reinterpret_cast<const TruncateTableTask*>(
+               &_TruncateTableTask_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    3;
+
+  friend void swap(TruncateTableTask& a, TruncateTableTask& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(TruncateTableTask* 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(TruncateTableTask* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  TruncateTableTask* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<TruncateTableTask>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const TruncateTableTask& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const TruncateTableTask& from) {
+    TruncateTableTask::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(TruncateTableTask* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.meta.TruncateTableTask";
+  }
+  protected:
+  explicit TruncateTableTask(::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 {
+    kTruncateTableFieldNumber = 1,
+  };
+  // .greptime.v1.TruncateTableExpr truncate_table = 1;
+  bool has_truncate_table() const;
+  private:
+  bool _internal_has_truncate_table() const;
+  public:
+  void clear_truncate_table();
+  const ::greptime::v1::TruncateTableExpr& truncate_table() const;
+  PROTOBUF_NODISCARD ::greptime::v1::TruncateTableExpr* release_truncate_table();
+  ::greptime::v1::TruncateTableExpr* mutable_truncate_table();
+  void set_allocated_truncate_table(::greptime::v1::TruncateTableExpr* truncate_table);
+  private:
+  const ::greptime::v1::TruncateTableExpr& _internal_truncate_table() const;
+  ::greptime::v1::TruncateTableExpr* _internal_mutable_truncate_table();
+  public:
+  void unsafe_arena_set_allocated_truncate_table(
+      ::greptime::v1::TruncateTableExpr* truncate_table);
+  ::greptime::v1::TruncateTableExpr* unsafe_arena_release_truncate_table();
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.meta.TruncateTableTask)
+ private:
+  class _Internal;
+
+  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  struct Impl_ {
+    ::greptime::v1::TruncateTableExpr* truncate_table_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fmeta_2fddl_2eproto;
+};
+// -------------------------------------------------------------------
+
 class SubmitDdlTaskRequest final :
     public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.meta.SubmitDdlTaskRequest) */ {
  public:
@@ -661,6 +822,7 @@ class SubmitDdlTaskRequest final :
     kCreateTableTask = 2,
     kDropTableTask = 3,
     kAlterTableTask = 4,
+    kTruncateTableTask = 5,
     TASK_NOT_SET = 0,
   };
 
@@ -669,7 +831,7 @@ class SubmitDdlTaskRequest final :
                &_SubmitDdlTaskRequest_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    3;
+    4;
 
   friend void swap(SubmitDdlTaskRequest& a, SubmitDdlTaskRequest& b) {
     a.Swap(&b);
@@ -746,6 +908,7 @@ class SubmitDdlTaskRequest final :
     kCreateTableTaskFieldNumber = 2,
     kDropTableTaskFieldNumber = 3,
     kAlterTableTaskFieldNumber = 4,
+    kTruncateTableTaskFieldNumber = 5,
   };
   // .greptime.v1.meta.RequestHeader header = 1;
   bool has_header() const;
@@ -819,6 +982,24 @@ class SubmitDdlTaskRequest final :
       ::greptime::v1::meta::AlterTableTask* alter_table_task);
   ::greptime::v1::meta::AlterTableTask* unsafe_arena_release_alter_table_task();
 
+  // .greptime.v1.meta.TruncateTableTask truncate_table_task = 5;
+  bool has_truncate_table_task() const;
+  private:
+  bool _internal_has_truncate_table_task() const;
+  public:
+  void clear_truncate_table_task();
+  const ::greptime::v1::meta::TruncateTableTask& truncate_table_task() const;
+  PROTOBUF_NODISCARD ::greptime::v1::meta::TruncateTableTask* release_truncate_table_task();
+  ::greptime::v1::meta::TruncateTableTask* mutable_truncate_table_task();
+  void set_allocated_truncate_table_task(::greptime::v1::meta::TruncateTableTask* truncate_table_task);
+  private:
+  const ::greptime::v1::meta::TruncateTableTask& _internal_truncate_table_task() const;
+  ::greptime::v1::meta::TruncateTableTask* _internal_mutable_truncate_table_task();
+  public:
+  void unsafe_arena_set_allocated_truncate_table_task(
+      ::greptime::v1::meta::TruncateTableTask* truncate_table_task);
+  ::greptime::v1::meta::TruncateTableTask* unsafe_arena_release_truncate_table_task();
+
   void clear_task();
   TaskCase task_case() const;
   // @@protoc_insertion_point(class_scope:greptime.v1.meta.SubmitDdlTaskRequest)
@@ -827,6 +1008,7 @@ class SubmitDdlTaskRequest final :
   void set_has_create_table_task();
   void set_has_drop_table_task();
   void set_has_alter_table_task();
+  void set_has_truncate_table_task();
 
   inline bool has_task() const;
   inline void clear_has_task();
@@ -842,6 +1024,7 @@ class SubmitDdlTaskRequest final :
       ::greptime::v1::meta::CreateTableTask* create_table_task_;
       ::greptime::v1::meta::DropTableTask* drop_table_task_;
       ::greptime::v1::meta::AlterTableTask* alter_table_task_;
+      ::greptime::v1::meta::TruncateTableTask* truncate_table_task_;
     } task_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     uint32_t _oneof_case_[1];
@@ -900,7 +1083,7 @@ class SubmitDdlTaskResponse final :
                &_SubmitDdlTaskResponse_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    4;
+    5;
 
   friend void swap(SubmitDdlTaskResponse& a, SubmitDdlTaskResponse& b) {
     a.Swap(&b);
@@ -1406,6 +1589,95 @@ inline void AlterTableTask::set_allocated_alter_table(::greptime::v1::AlterExpr*
 
 // -------------------------------------------------------------------
 
+// TruncateTableTask
+
+// .greptime.v1.TruncateTableExpr truncate_table = 1;
+inline bool TruncateTableTask::_internal_has_truncate_table() const {
+  return this != internal_default_instance() && _impl_.truncate_table_ != nullptr;
+}
+inline bool TruncateTableTask::has_truncate_table() const {
+  return _internal_has_truncate_table();
+}
+inline const ::greptime::v1::TruncateTableExpr& TruncateTableTask::_internal_truncate_table() const {
+  const ::greptime::v1::TruncateTableExpr* p = _impl_.truncate_table_;
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::TruncateTableExpr&>(
+      ::greptime::v1::_TruncateTableExpr_default_instance_);
+}
+inline const ::greptime::v1::TruncateTableExpr& TruncateTableTask::truncate_table() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.TruncateTableTask.truncate_table)
+  return _internal_truncate_table();
+}
+inline void TruncateTableTask::unsafe_arena_set_allocated_truncate_table(
+    ::greptime::v1::TruncateTableExpr* truncate_table) {
+  if (GetArenaForAllocation() == nullptr) {
+    delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.truncate_table_);
+  }
+  _impl_.truncate_table_ = truncate_table;
+  if (truncate_table) {
+    
+  } else {
+    
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.meta.TruncateTableTask.truncate_table)
+}
+inline ::greptime::v1::TruncateTableExpr* TruncateTableTask::release_truncate_table() {
+  
+  ::greptime::v1::TruncateTableExpr* temp = _impl_.truncate_table_;
+  _impl_.truncate_table_ = nullptr;
+#ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
+  auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
+  temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  if (GetArenaForAllocation() == nullptr) { delete old; }
+#else  // PROTOBUF_FORCE_COPY_IN_RELEASE
+  if (GetArenaForAllocation() != nullptr) {
+    temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  }
+#endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
+  return temp;
+}
+inline ::greptime::v1::TruncateTableExpr* TruncateTableTask::unsafe_arena_release_truncate_table() {
+  // @@protoc_insertion_point(field_release:greptime.v1.meta.TruncateTableTask.truncate_table)
+  
+  ::greptime::v1::TruncateTableExpr* temp = _impl_.truncate_table_;
+  _impl_.truncate_table_ = nullptr;
+  return temp;
+}
+inline ::greptime::v1::TruncateTableExpr* TruncateTableTask::_internal_mutable_truncate_table() {
+  
+  if (_impl_.truncate_table_ == nullptr) {
+    auto* p = CreateMaybeMessage<::greptime::v1::TruncateTableExpr>(GetArenaForAllocation());
+    _impl_.truncate_table_ = p;
+  }
+  return _impl_.truncate_table_;
+}
+inline ::greptime::v1::TruncateTableExpr* TruncateTableTask::mutable_truncate_table() {
+  ::greptime::v1::TruncateTableExpr* _msg = _internal_mutable_truncate_table();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.meta.TruncateTableTask.truncate_table)
+  return _msg;
+}
+inline void TruncateTableTask::set_allocated_truncate_table(::greptime::v1::TruncateTableExpr* truncate_table) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  if (message_arena == nullptr) {
+    delete reinterpret_cast< ::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.truncate_table_);
+  }
+  if (truncate_table) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(
+                reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(truncate_table));
+    if (message_arena != submessage_arena) {
+      truncate_table = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, truncate_table, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  _impl_.truncate_table_ = truncate_table;
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.TruncateTableTask.truncate_table)
+}
+
+// -------------------------------------------------------------------
+
 // SubmitDdlTaskRequest
 
 // .greptime.v1.meta.RequestHeader header = 1;
@@ -1715,6 +1987,80 @@ inline ::greptime::v1::meta::AlterTableTask* SubmitDdlTaskRequest::mutable_alter
   return _msg;
 }
 
+// .greptime.v1.meta.TruncateTableTask truncate_table_task = 5;
+inline bool SubmitDdlTaskRequest::_internal_has_truncate_table_task() const {
+  return task_case() == kTruncateTableTask;
+}
+inline bool SubmitDdlTaskRequest::has_truncate_table_task() const {
+  return _internal_has_truncate_table_task();
+}
+inline void SubmitDdlTaskRequest::set_has_truncate_table_task() {
+  _impl_._oneof_case_[0] = kTruncateTableTask;
+}
+inline void SubmitDdlTaskRequest::clear_truncate_table_task() {
+  if (_internal_has_truncate_table_task()) {
+    if (GetArenaForAllocation() == nullptr) {
+      delete _impl_.task_.truncate_table_task_;
+    }
+    clear_has_task();
+  }
+}
+inline ::greptime::v1::meta::TruncateTableTask* SubmitDdlTaskRequest::release_truncate_table_task() {
+  // @@protoc_insertion_point(field_release:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+  if (_internal_has_truncate_table_task()) {
+    clear_has_task();
+    ::greptime::v1::meta::TruncateTableTask* temp = _impl_.task_.truncate_table_task_;
+    if (GetArenaForAllocation() != nullptr) {
+      temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+    }
+    _impl_.task_.truncate_table_task_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline const ::greptime::v1::meta::TruncateTableTask& SubmitDdlTaskRequest::_internal_truncate_table_task() const {
+  return _internal_has_truncate_table_task()
+      ? *_impl_.task_.truncate_table_task_
+      : reinterpret_cast< ::greptime::v1::meta::TruncateTableTask&>(::greptime::v1::meta::_TruncateTableTask_default_instance_);
+}
+inline const ::greptime::v1::meta::TruncateTableTask& SubmitDdlTaskRequest::truncate_table_task() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+  return _internal_truncate_table_task();
+}
+inline ::greptime::v1::meta::TruncateTableTask* SubmitDdlTaskRequest::unsafe_arena_release_truncate_table_task() {
+  // @@protoc_insertion_point(field_unsafe_arena_release:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+  if (_internal_has_truncate_table_task()) {
+    clear_has_task();
+    ::greptime::v1::meta::TruncateTableTask* temp = _impl_.task_.truncate_table_task_;
+    _impl_.task_.truncate_table_task_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline void SubmitDdlTaskRequest::unsafe_arena_set_allocated_truncate_table_task(::greptime::v1::meta::TruncateTableTask* truncate_table_task) {
+  clear_task();
+  if (truncate_table_task) {
+    set_has_truncate_table_task();
+    _impl_.task_.truncate_table_task_ = truncate_table_task;
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+}
+inline ::greptime::v1::meta::TruncateTableTask* SubmitDdlTaskRequest::_internal_mutable_truncate_table_task() {
+  if (!_internal_has_truncate_table_task()) {
+    clear_task();
+    set_has_truncate_table_task();
+    _impl_.task_.truncate_table_task_ = CreateMaybeMessage< ::greptime::v1::meta::TruncateTableTask >(GetArenaForAllocation());
+  }
+  return _impl_.task_.truncate_table_task_;
+}
+inline ::greptime::v1::meta::TruncateTableTask* SubmitDdlTaskRequest::mutable_truncate_table_task() {
+  ::greptime::v1::meta::TruncateTableTask* _msg = _internal_mutable_truncate_table_task();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task)
+  return _msg;
+}
+
 inline bool SubmitDdlTaskRequest::has_task() const {
   return task_case() != TASK_NOT_SET;
 }
@@ -1959,6 +2305,8 @@ inline void SubmitDdlTaskResponse::set_allocated_table_id(::greptime::v1::meta::
 
 // -------------------------------------------------------------------
 
+// -------------------------------------------------------------------
+
 
 // @@protoc_insertion_point(namespace_scope)
 

go/greptime/v1/ddl.pb.go

@@ -77,7 +77,7 @@ func (x AddColumn_Location_LocationType) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use AddColumn_Location_LocationType.Descriptor instead.
 func (AddColumn_Location_LocationType) EnumDescriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{10, 0, 0}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{11, 0, 0}
 }
 
 // "Data Definition Language" requests, that create, modify or delete the
@@ -97,6 +97,7 @@ type DdlRequest struct {
 	//	*DdlRequest_DropTable
 	//	*DdlRequest_FlushTable
 	//	*DdlRequest_CompactTable
+	//	*DdlRequest_TruncateTable
 	Expr isDdlRequest_Expr `protobuf_oneof:"expr"`
 }
 
@@ -181,6 +182,13 @@ func (x *DdlRequest) GetCompactTable() *CompactTableExpr {
 	return nil
 }
 
+func (x *DdlRequest) GetTruncateTable() *TruncateTableExpr {
+	if x, ok := x.GetExpr().(*DdlRequest_TruncateTable); ok {
+		return x.TruncateTable
+	}
+	return nil
+}
+
 type isDdlRequest_Expr interface {
 	isDdlRequest_Expr()
 }
@@ -209,6 +217,10 @@ type DdlRequest_CompactTable struct {
 	CompactTable *CompactTableExpr `protobuf:"bytes,6,opt,name=compact_table,json=compactTable,proto3,oneof"`
 }
 
+type DdlRequest_TruncateTable struct {
+	TruncateTable *TruncateTableExpr `protobuf:"bytes,7,opt,name=truncate_table,json=truncateTable,proto3,oneof"`
+}
+
 func (*DdlRequest_CreateDatabase) isDdlRequest_Expr() {}
 
 func (*DdlRequest_CreateTable) isDdlRequest_Expr() {}
@@ -221,6 +233,8 @@ func (*DdlRequest_FlushTable) isDdlRequest_Expr() {}
 
 func (*DdlRequest_CompactTable) isDdlRequest_Expr() {}
 
+func (*DdlRequest_TruncateTable) isDdlRequest_Expr() {}
+
 type CreateTableExpr struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -768,6 +782,77 @@ func (x *CreateDatabaseExpr) GetCreateIfNotExists() bool {
 	return false
 }
 
+type TruncateTableExpr struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	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"`
+	TableId     *TableId `protobuf:"bytes,4,opt,name=table_id,json=tableId,proto3" json:"table_id,omitempty"`
+}
+
+func (x *TruncateTableExpr) Reset() {
+	*x = TruncateTableExpr{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_ddl_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TruncateTableExpr) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TruncateTableExpr) ProtoMessage() {}
+
+func (x *TruncateTableExpr) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_ddl_proto_msgTypes[7]
+	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 TruncateTableExpr.ProtoReflect.Descriptor instead.
+func (*TruncateTableExpr) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *TruncateTableExpr) GetCatalogName() string {
+	if x != nil {
+		return x.CatalogName
+	}
+	return ""
+}
+
+func (x *TruncateTableExpr) GetSchemaName() string {
+	if x != nil {
+		return x.SchemaName
+	}
+	return ""
+}
+
+func (x *TruncateTableExpr) GetTableName() string {
+	if x != nil {
+		return x.TableName
+	}
+	return ""
+}
+
+func (x *TruncateTableExpr) GetTableId() *TableId {
+	if x != nil {
+		return x.TableId
+	}
+	return nil
+}
+
 type AddColumns struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -779,7 +864,7 @@ type AddColumns struct {
 func (x *AddColumns) Reset() {
 	*x = AddColumns{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[7]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -792,7 +877,7 @@ func (x *AddColumns) String() string {
 func (*AddColumns) ProtoMessage() {}
 
 func (x *AddColumns) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[7]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -805,7 +890,7 @@ func (x *AddColumns) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddColumns.ProtoReflect.Descriptor instead.
 func (*AddColumns) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{7}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *AddColumns) GetAddColumns() []*AddColumn {
@@ -826,7 +911,7 @@ type DropColumns struct {
 func (x *DropColumns) Reset() {
 	*x = DropColumns{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[8]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -839,7 +924,7 @@ func (x *DropColumns) String() string {
 func (*DropColumns) ProtoMessage() {}
 
 func (x *DropColumns) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[8]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -852,7 +937,7 @@ func (x *DropColumns) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DropColumns.ProtoReflect.Descriptor instead.
 func (*DropColumns) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{8}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *DropColumns) GetDropColumns() []*DropColumn {
@@ -873,7 +958,7 @@ type RenameTable struct {
 func (x *RenameTable) Reset() {
 	*x = RenameTable{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[9]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -886,7 +971,7 @@ func (x *RenameTable) String() string {
 func (*RenameTable) ProtoMessage() {}
 
 func (x *RenameTable) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[9]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -899,7 +984,7 @@ func (x *RenameTable) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RenameTable.ProtoReflect.Descriptor instead.
 func (*RenameTable) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{9}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *RenameTable) GetNewTableName() string {
@@ -922,7 +1007,7 @@ type AddColumn struct {
 func (x *AddColumn) Reset() {
 	*x = AddColumn{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[10]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -935,7 +1020,7 @@ func (x *AddColumn) String() string {
 func (*AddColumn) ProtoMessage() {}
 
 func (x *AddColumn) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[10]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -948,7 +1033,7 @@ func (x *AddColumn) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddColumn.ProtoReflect.Descriptor instead.
 func (*AddColumn) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{10}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *AddColumn) GetColumnDef() *ColumnDef {
@@ -983,7 +1068,7 @@ type DropColumn struct {
 func (x *DropColumn) Reset() {
 	*x = DropColumn{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[11]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -996,7 +1081,7 @@ func (x *DropColumn) String() string {
 func (*DropColumn) ProtoMessage() {}
 
 func (x *DropColumn) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[11]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1009,7 +1094,7 @@ func (x *DropColumn) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DropColumn.ProtoReflect.Descriptor instead.
 func (*DropColumn) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{11}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *DropColumn) GetName() string {
@@ -1030,7 +1115,7 @@ type TableId struct {
 func (x *TableId) Reset() {
 	*x = TableId{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[12]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1043,7 +1128,7 @@ func (x *TableId) String() string {
 func (*TableId) ProtoMessage() {}
 
 func (x *TableId) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[12]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1056,7 +1141,7 @@ func (x *TableId) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TableId.ProtoReflect.Descriptor instead.
 func (*TableId) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{12}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *TableId) GetId() uint32 {
@@ -1078,7 +1163,7 @@ type AddColumn_Location struct {
 func (x *AddColumn_Location) Reset() {
 	*x = AddColumn_Location{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[14]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1091,7 +1176,7 @@ func (x *AddColumn_Location) String() string {
 func (*AddColumn_Location) ProtoMessage() {}
 
 func (x *AddColumn_Location) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[14]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1104,7 +1189,7 @@ func (x *AddColumn_Location) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddColumn_Location.ProtoReflect.Descriptor instead.
 func (*AddColumn_Location) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{10, 0}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{11, 0}
 }
 
 func (x *AddColumn_Location) GetLocationType() AddColumn_Location_LocationType {
@@ -1127,7 +1212,7 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
 	0x0a, 0x15, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x64, 0x64,
 	0x6c, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0b, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
 	0x65, 0x2e, 0x76, 0x31, 0x1a, 0x18, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76,
-	0x31, 0x2f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x96,
+	0x31, 0x2f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xdf,
 	0x03, 0x0a, 0x0a, 0x44, 0x64, 0x6c, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x4a, 0x0a,
 	0x0f, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
@@ -1152,153 +1237,168 @@ var file_greptime_v1_ddl_proto_rawDesc = []byte{
 	0x70, 0x61, 0x63, 0x74, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0b,
 	0x32, 0x1d, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43,
 	0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x48,
-	0x00, 0x52, 0x0c, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x42,
+	0x00, 0x52, 0x0c, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x12,
-	0x06, 0x0a, 0x04, 0x65, 0x78, 0x70, 0x72, 0x22, 0xba, 0x04, 0x0a, 0x0f, 0x43, 0x72, 0x65, 0x61,
+	0x47, 0x0a, 0x0e, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c,
-	0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63,
+	0x65, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
+	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x54, 0x61,
+	0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x48, 0x00, 0x52, 0x0d, 0x74, 0x72, 0x75, 0x6e, 0x63,
+	0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x42, 0x06, 0x0a, 0x04, 0x65, 0x78, 0x70, 0x72,
+	0x22, 0xba, 0x04, 0x0a, 0x0f, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65,
+	0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f,
+	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61,
+	0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d,
+	0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63,
+	0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c,
+	0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61,
+	0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x65, 0x73, 0x63, 0x18,
+	0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x65, 0x73, 0x63, 0x12, 0x37, 0x0a, 0x0b, 0x63,
+	0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x5f, 0x64, 0x65, 0x66, 0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x0b,
+	0x32, 0x16, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43,
+	0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44, 0x65, 0x66, 0x52, 0x0a, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e,
+	0x44, 0x65, 0x66, 0x73, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x69, 0x6d, 0x65, 0x5f, 0x69, 0x6e, 0x64,
+	0x65, 0x78, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x49, 0x6e,
+	0x64, 0x65, 0x78, 0x12, 0x21, 0x0a, 0x0c, 0x70, 0x72, 0x69, 0x6d, 0x61, 0x72, 0x79, 0x5f, 0x6b,
+	0x65, 0x79, 0x73, 0x18, 0x07, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0b, 0x70, 0x72, 0x69, 0x6d, 0x61,
+	0x72, 0x79, 0x4b, 0x65, 0x79, 0x73, 0x12, 0x2f, 0x0a, 0x14, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65,
+	0x5f, 0x69, 0x66, 0x5f, 0x6e, 0x6f, 0x74, 0x5f, 0x65, 0x78, 0x69, 0x73, 0x74, 0x73, 0x18, 0x08,
+	0x20, 0x01, 0x28, 0x08, 0x52, 0x11, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x49, 0x66, 0x4e, 0x6f,
+	0x74, 0x45, 0x78, 0x69, 0x73, 0x74, 0x73, 0x12, 0x53, 0x0a, 0x0d, 0x74, 0x61, 0x62, 0x6c, 0x65,
+	0x5f, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x09, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x2e,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x72, 0x65,
+	0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x2e, 0x54, 0x61, 0x62,
+	0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x0c,
+	0x74, 0x61, 0x62, 0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x2f, 0x0a, 0x08,
+	0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62,
+	0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x12, 0x25, 0x0a,
+	0x0e, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x73, 0x18,
+	0x0b, 0x20, 0x03, 0x28, 0x0d, 0x52, 0x0d, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x4e, 0x75, 0x6d,
+	0x62, 0x65, 0x72, 0x73, 0x12, 0x16, 0x0a, 0x06, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x18, 0x0c,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x1a, 0x3f, 0x0a, 0x11,
+	0x54, 0x61, 0x62, 0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x45, 0x6e, 0x74, 0x72,
+	0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03,
+	0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x86, 0x03,
+	0x0a, 0x09, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63,
 	0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
 	0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f,
 	0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12,
 	0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x12,
+	0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x3a,
-	0x0a, 0x04, 0x64, 0x65, 0x73, 0x63, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x65,
+	0x0a, 0x0b, 0x61, 0x64, 0x64, 0x5f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x18, 0x04, 0x20,
-	0x73, 0x63, 0x12, 0x37, 0x0a, 0x0b, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x5f, 0x64, 0x65, 0x66,
+	0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76,
-	0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
+	0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x48, 0x00, 0x52, 0x0a,
-	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44, 0x65, 0x66, 0x52,
+	0x61, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x12, 0x3d, 0x0a, 0x0c, 0x64, 0x72,
-	0x0a, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44, 0x65, 0x66, 0x73, 0x12, 0x1d, 0x0a, 0x0a, 0x74,
+	0x6f, 0x70, 0x5f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b,
-	0x69, 0x6d, 0x65, 0x5f, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x32, 0x18, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x44,
-	0x09, 0x74, 0x69, 0x6d, 0x65, 0x49, 0x6e, 0x64, 0x65, 0x78, 0x12, 0x21, 0x0a, 0x0c, 0x70, 0x72,
+	0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x48, 0x00, 0x52, 0x0b, 0x64, 0x72,
-	0x69, 0x6d, 0x61, 0x72, 0x79, 0x5f, 0x6b, 0x65, 0x79, 0x73, 0x18, 0x07, 0x20, 0x03, 0x28, 0x09,
+	0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x12, 0x3d, 0x0a, 0x0c, 0x72, 0x65, 0x6e,
-	0x52, 0x0b, 0x70, 0x72, 0x69, 0x6d, 0x61, 0x72, 0x79, 0x4b, 0x65, 0x79, 0x73, 0x12, 0x2f, 0x0a,
+	0x61, 0x6d, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x14, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f, 0x69, 0x66, 0x5f, 0x6e, 0x6f, 0x74, 0x5f, 0x65,
+	0x18, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x52, 0x65,
-	0x78, 0x69, 0x73, 0x74, 0x73, 0x18, 0x08, 0x20, 0x01, 0x28, 0x08, 0x52, 0x11, 0x63, 0x72, 0x65,
+	0x6e, 0x61, 0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x48, 0x00, 0x52, 0x0b, 0x72, 0x65, 0x6e,
-	0x61, 0x74, 0x65, 0x49, 0x66, 0x4e, 0x6f, 0x74, 0x45, 0x78, 0x69, 0x73, 0x74, 0x73, 0x12, 0x53,
+	0x61, 0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x12, 0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c,
-	0x0a, 0x0d, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18,
+	0x65, 0x5f, 0x69, 0x64, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65,
-	0x09, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x2e, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64,
-	0x2e, 0x76, 0x31, 0x2e, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45,
+	0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x12, 0x23, 0x0a, 0x0d, 0x74, 0x61, 0x62,
-	0x78, 0x70, 0x72, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73,
+	0x6c, 0x65, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x08, 0x20, 0x01, 0x28, 0x04,
-	0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x0c, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69,
+	0x52, 0x0c, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x06,
-	0x6f, 0x6e, 0x73, 0x12, 0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18,
+	0x0a, 0x04, 0x6b, 0x69, 0x6e, 0x64, 0x22, 0xa3, 0x01, 0x0a, 0x0d, 0x44, 0x72, 0x6f, 0x70, 0x54,
-	0x0a, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61,
-	0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62,
+	0x6c, 0x6f, 0x67, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b,
-	0x6c, 0x65, 0x49, 0x64, 0x12, 0x25, 0x0a, 0x0e, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e,
+	0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73,
-	0x75, 0x6d, 0x62, 0x65, 0x72, 0x73, 0x18, 0x0b, 0x20, 0x03, 0x28, 0x0d, 0x52, 0x0d, 0x72, 0x65,
+	0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
-	0x67, 0x69, 0x6f, 0x6e, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x73, 0x12, 0x16, 0x0a, 0x06, 0x65,
+	0x52, 0x0a, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a,
-	0x6e, 0x67, 0x69, 0x6e, 0x65, 0x18, 0x0c, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x65, 0x6e, 0x67,
+	0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
-	0x69, 0x6e, 0x65, 0x1a, 0x3f, 0x0a, 0x11, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x4f, 0x70, 0x74, 0x69,
+	0x52, 0x09, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2f, 0x0a, 0x08, 0x74,
-	0x6f, 0x6e, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18,
+	0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61,
+	0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c,
-	0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
+	0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x22, 0xe0, 0x01, 0x0a,
-	0x3a, 0x02, 0x38, 0x01, 0x22, 0x86, 0x03, 0x0a, 0x09, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x45, 0x78,
+	0x0e, 0x46, 0x6c, 0x75, 0x73, 0x68, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12,
-	0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f, 0x6e, 0x61,
-	0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f,
-	0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f,
-	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63, 0x68, 0x65,
-	0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f,
-	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61, 0x62, 0x6c,
-	0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x3a, 0x0a, 0x0b, 0x61, 0x64, 0x64, 0x5f, 0x63, 0x6f, 0x6c,
-	0x75, 0x6d, 0x6e, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x67, 0x72, 0x65,
-	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75,
-	0x6d, 0x6e, 0x73, 0x48, 0x00, 0x52, 0x0a, 0x61, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e,
-	0x73, 0x12, 0x3d, 0x0a, 0x0c, 0x64, 0x72, 0x6f, 0x70, 0x5f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e,
-	0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
-	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x44, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e,
-	0x73, 0x48, 0x00, 0x52, 0x0b, 0x64, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73,
-	0x12, 0x3d, 0x0a, 0x0c, 0x72, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65,
-	0x18, 0x06, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
-	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x52, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65,
-	0x48, 0x00, 0x52, 0x0b, 0x72, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x12,
-	0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x07, 0x20, 0x01, 0x28,
-	0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e,
-	0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64,
-	0x12, 0x23, 0x0a, 0x0d, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f,
-	0x6e, 0x18, 0x08, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0c, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x56, 0x65,
-	0x72, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x06, 0x0a, 0x04, 0x6b, 0x69, 0x6e, 0x64, 0x22, 0xa3, 0x01,
-	0x0a, 0x0d, 0x44, 0x72, 0x6f, 0x70, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12,
 	0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18,
 	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61,
 	0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d,
 	0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e,
 	0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d,
 	0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61,
-	0x6d, 0x65, 0x12, 0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x04,
+	0x6d, 0x65, 0x12, 0x28, 0x0a, 0x0d, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d,
-	0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e,
+	0x62, 0x65, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x48, 0x00, 0x52, 0x0c, 0x72, 0x65, 0x67,
-	0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c,
+	0x69, 0x6f, 0x6e, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x88, 0x01, 0x01, 0x12, 0x2f, 0x0a, 0x08,
-	0x65, 0x49, 0x64, 0x22, 0xe0, 0x01, 0x0a, 0x0e, 0x46, 0x6c, 0x75, 0x73, 0x68, 0x54, 0x61, 0x62,
+	0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14,
-	0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62,
-	0x67, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61,
+	0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x42, 0x10, 0x0a,
-	0x74, 0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68,
+	0x0e, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x22,
-	0x65, 0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a,
+	0xb1, 0x01, 0x0a, 0x10, 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65,
-	0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61,
+	0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f,
-	0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09,
+	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61,
-	0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x28, 0x0a, 0x0d, 0x72, 0x65, 0x67,
+	0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d,
-	0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d,
+	0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63,
-	0x48, 0x00, 0x52, 0x0c, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72,
+	0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c,
-	0x88, 0x01, 0x01, 0x12, 0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18,
+	0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61,
-	0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x28, 0x0a, 0x0d, 0x72, 0x65, 0x67, 0x69, 0x6f,
-	0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62,
+	0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x48, 0x00,
-	0x6c, 0x65, 0x49, 0x64, 0x42, 0x10, 0x0a, 0x0e, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f,
+	0x52, 0x0c, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x88, 0x01,
-	0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x22, 0xb1, 0x01, 0x0a, 0x10, 0x43, 0x6f, 0x6d, 0x70, 0x61,
+	0x01, 0x42, 0x10, 0x0a, 0x0e, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d,
-	0x63, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63,
+	0x62, 0x65, 0x72, 0x22, 0x6a, 0x0a, 0x12, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x44, 0x61, 0x74,
-	0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x61, 0x62, 0x61, 0x73, 0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x23, 0x0a, 0x0d, 0x64, 0x61, 0x74,
-	0x09, 0x52, 0x0b, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f,
+	0x61, 0x62, 0x61, 0x73, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
-	0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20,
+	0x52, 0x0c, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2f,
-	0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12,
+	0x0a, 0x14, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f, 0x69, 0x66, 0x5f, 0x6e, 0x6f, 0x74, 0x5f,
-	0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20,
+	0x65, 0x78, 0x69, 0x73, 0x74, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x11, 0x63, 0x72,
-	0x01, 0x28, 0x09, 0x52, 0x09, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x28,
+	0x65, 0x61, 0x74, 0x65, 0x49, 0x66, 0x4e, 0x6f, 0x74, 0x45, 0x78, 0x69, 0x73, 0x74, 0x73, 0x22,
-	0x0a, 0x0d, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18,
+	0xa7, 0x01, 0x0a, 0x11, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c,
-	0x04, 0x20, 0x01, 0x28, 0x0d, 0x48, 0x00, 0x52, 0x0c, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x4e,
+	0x65, 0x45, 0x78, 0x70, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67,
-	0x75, 0x6d, 0x62, 0x65, 0x72, 0x88, 0x01, 0x01, 0x42, 0x10, 0x0a, 0x0e, 0x5f, 0x72, 0x65, 0x67,
+	0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x61, 0x74,
-	0x69, 0x6f, 0x6e, 0x5f, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x22, 0x6a, 0x0a, 0x12, 0x43, 0x72,
+	0x61, 0x6c, 0x6f, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x63, 0x68, 0x65,
-	0x65, 0x61, 0x74, 0x65, 0x44, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x45, 0x78, 0x70, 0x72,
+	0x6d, 0x61, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73,
-	0x12, 0x23, 0x0a, 0x0d, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x5f, 0x6e, 0x61, 0x6d,
+	0x63, 0x68, 0x65, 0x6d, 0x61, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x74, 0x61, 0x62,
-	0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73,
+	0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x74,
-	0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2f, 0x0a, 0x14, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f,
+	0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2f, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c,
-	0x69, 0x66, 0x5f, 0x6e, 0x6f, 0x74, 0x5f, 0x65, 0x78, 0x69, 0x73, 0x74, 0x73, 0x18, 0x02, 0x20,
+	0x65, 0x5f, 0x69, 0x64, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x72, 0x65,
-	0x01, 0x28, 0x08, 0x52, 0x11, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x49, 0x66, 0x4e, 0x6f, 0x74,
+	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64,
-	0x45, 0x78, 0x69, 0x73, 0x74, 0x73, 0x22, 0x45, 0x0a, 0x0a, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c,
+	0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x22, 0x45, 0x0a, 0x0a, 0x41, 0x64, 0x64,
-	0x75, 0x6d, 0x6e, 0x73, 0x12, 0x37, 0x0a, 0x0b, 0x61, 0x64, 0x64, 0x5f, 0x63, 0x6f, 0x6c, 0x75,
+	0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x12, 0x37, 0x0a, 0x0b, 0x61, 0x64, 0x64, 0x5f, 0x63,
-	0x6d, 0x6e, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x72, 0x65, 0x70,
+	0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67,
-	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d,
+	0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f,
-	0x6e, 0x52, 0x0a, 0x61, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x22, 0x49, 0x0a,
+	0x6c, 0x75, 0x6d, 0x6e, 0x52, 0x0a, 0x61, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73,
-	0x0b, 0x44, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x12, 0x3a, 0x0a, 0x0c,
+	0x22, 0x49, 0x0a, 0x0b, 0x44, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x12,
-	0x64, 0x72, 0x6f, 0x70, 0x5f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x18, 0x01, 0x20, 0x03,
+	0x3a, 0x0a, 0x0c, 0x64, 0x72, 0x6f, 0x70, 0x5f, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x18,
-	0x28, 0x0b, 0x32, 0x17, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31,
+	0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
-	0x2e, 0x44, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x52, 0x0b, 0x64, 0x72, 0x6f,
+	0x2e, 0x76, 0x31, 0x2e, 0x44, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x52, 0x0b,
-	0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x22, 0x33, 0x0a, 0x0b, 0x52, 0x65, 0x6e, 0x61,
+	0x64, 0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x73, 0x22, 0x33, 0x0a, 0x0b, 0x52,
-	0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x12, 0x24, 0x0a, 0x0e, 0x6e, 0x65, 0x77, 0x5f, 0x74,
+	0x65, 0x6e, 0x61, 0x6d, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x12, 0x24, 0x0a, 0x0e, 0x6e, 0x65,
-	0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x77, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
-	0x0c, 0x6e, 0x65, 0x77, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x22, 0xc8, 0x02,
+	0x28, 0x09, 0x52, 0x0c, 0x6e, 0x65, 0x77, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65,
-	0x0a, 0x09, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x12, 0x35, 0x0a, 0x0a, 0x63,
+	0x22, 0xc8, 0x02, 0x0a, 0x09, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x12, 0x35,
-	0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x5f, 0x64, 0x65, 0x66, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x0a, 0x0a, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x5f, 0x64, 0x65, 0x66, 0x18, 0x01, 0x20, 0x01,
-	0x16, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x6f,
+	0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31,
-	0x6c, 0x75, 0x6d, 0x6e, 0x44, 0x65, 0x66, 0x52, 0x09, 0x63, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44,
+	0x2e, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x44, 0x65, 0x66, 0x52, 0x09, 0x63, 0x6f, 0x6c, 0x75,
-	0x65, 0x66, 0x12, 0x15, 0x0a, 0x06, 0x69, 0x73, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01,
+	0x6d, 0x6e, 0x44, 0x65, 0x66, 0x12, 0x15, 0x0a, 0x06, 0x69, 0x73, 0x5f, 0x6b, 0x65, 0x79, 0x18,
-	0x28, 0x08, 0x52, 0x05, 0x69, 0x73, 0x4b, 0x65, 0x79, 0x12, 0x3b, 0x0a, 0x08, 0x6c, 0x6f, 0x63,
+	0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x05, 0x69, 0x73, 0x4b, 0x65, 0x79, 0x12, 0x3b, 0x0a, 0x08,
-	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72,
+	0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f,
-	0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64,
-	0x75, 0x6d, 0x6e, 0x2e, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x08, 0x6c, 0x6f,
+	0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x2e, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52,
-	0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x1a, 0xaf, 0x01, 0x0a, 0x08, 0x4c, 0x6f, 0x63, 0x61, 0x74,
+	0x08, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x1a, 0xaf, 0x01, 0x0a, 0x08, 0x4c, 0x6f,
-	0x69, 0x6f, 0x6e, 0x12, 0x51, 0x0a, 0x0d, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f,
+	0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x51, 0x0a, 0x0d, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69,
-	0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x2c, 0x2e, 0x67, 0x72, 0x65,
+	0x6f, 0x6e, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x2c, 0x2e,
-	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43, 0x6f, 0x6c, 0x75,
+	0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64, 0x64, 0x43,
-	0x6d, 0x6e, 0x2e, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x4c, 0x6f, 0x63, 0x61,
+	0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x2e, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x4c,
-	0x74, 0x69, 0x6f, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x52, 0x0c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69,
+	0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x52, 0x0c, 0x6c, 0x6f, 0x63,
-	0x6f, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x12, 0x2a, 0x0a, 0x11, 0x61, 0x66, 0x74, 0x65, 0x72, 0x5f,
+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x12, 0x2a, 0x0a, 0x11, 0x61, 0x66, 0x74,
-	0x63, 0x6c, 0x6f, 0x75, 0x6d, 0x6e, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x65, 0x72, 0x5f, 0x63, 0x6c, 0x6f, 0x75, 0x6d, 0x6e, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02,
-	0x09, 0x52, 0x0f, 0x61, 0x66, 0x74, 0x65, 0x72, 0x43, 0x6c, 0x6f, 0x75, 0x6d, 0x6e, 0x4e, 0x61,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x61, 0x66, 0x74, 0x65, 0x72, 0x43, 0x6c, 0x6f, 0x75, 0x6d,
-	0x6d, 0x65, 0x22, 0x24, 0x0a, 0x0c, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x54, 0x79,
+	0x6e, 0x4e, 0x61, 0x6d, 0x65, 0x22, 0x24, 0x0a, 0x0c, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f,
-	0x70, 0x65, 0x12, 0x09, 0x0a, 0x05, 0x46, 0x49, 0x52, 0x53, 0x54, 0x10, 0x00, 0x12, 0x09, 0x0a,
+	0x6e, 0x54, 0x79, 0x70, 0x65, 0x12, 0x09, 0x0a, 0x05, 0x46, 0x49, 0x52, 0x53, 0x54, 0x10, 0x00,
-	0x05, 0x41, 0x46, 0x54, 0x45, 0x52, 0x10, 0x01, 0x22, 0x20, 0x0a, 0x0a, 0x44, 0x72, 0x6f, 0x70,
+	0x12, 0x09, 0x0a, 0x05, 0x41, 0x46, 0x54, 0x45, 0x52, 0x10, 0x01, 0x22, 0x20, 0x0a, 0x0a, 0x44,
-	0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01,
+	0x72, 0x6f, 0x70, 0x43, 0x6f, 0x6c, 0x75, 0x6d, 0x6e, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d,
-	0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x19, 0x0a, 0x07, 0x54, 0x61,
+	0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x19, 0x0a,
-	0x62, 0x6c, 0x65, 0x49, 0x64, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x07, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01,
-	0x0d, 0x52, 0x02, 0x69, 0x64, 0x42, 0x4c, 0x0a, 0x0e, 0x69, 0x6f, 0x2e, 0x67, 0x72, 0x65, 0x70,
+	0x20, 0x01, 0x28, 0x0d, 0x52, 0x02, 0x69, 0x64, 0x42, 0x4c, 0x0a, 0x0e, 0x69, 0x6f, 0x2e, 0x67,
-	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x42, 0x03, 0x44, 0x64, 0x6c, 0x5a, 0x35, 0x67, 0x69,
+	0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x42, 0x03, 0x44, 0x64, 0x6c, 0x5a,
-	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x35, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x72, 0x65, 0x70,
-	0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2d, 0x70,
+	0x74, 0x69, 0x6d, 0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
-	0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x65, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74,
-	0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1314,7 +1414,7 @@ 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
 	(*DdlRequest)(nil),                   // 1: greptime.v1.DdlRequest
@@ -1324,15 +1424,16 @@ var file_greptime_v1_ddl_proto_goTypes = []interface{}{
 	(*FlushTableExpr)(nil),               // 5: greptime.v1.FlushTableExpr
 	(*CompactTableExpr)(nil),             // 6: greptime.v1.CompactTableExpr
 	(*CreateDatabaseExpr)(nil),           // 7: greptime.v1.CreateDatabaseExpr
-	(*AddColumns)(nil),                   // 8: greptime.v1.AddColumns
+	(*TruncateTableExpr)(nil),            // 8: greptime.v1.TruncateTableExpr
-	(*DropColumns)(nil),                  // 9: greptime.v1.DropColumns
+	(*AddColumns)(nil),                   // 9: greptime.v1.AddColumns
-	(*RenameTable)(nil),                  // 10: greptime.v1.RenameTable
+	(*DropColumns)(nil),                  // 10: greptime.v1.DropColumns
-	(*AddColumn)(nil),                    // 11: greptime.v1.AddColumn
+	(*RenameTable)(nil),                  // 11: greptime.v1.RenameTable
-	(*DropColumn)(nil),                   // 12: greptime.v1.DropColumn
+	(*AddColumn)(nil),                    // 12: greptime.v1.AddColumn
-	(*TableId)(nil),                      // 13: greptime.v1.TableId
+	(*DropColumn)(nil),                   // 13: greptime.v1.DropColumn
-	nil,                                  // 14: greptime.v1.CreateTableExpr.TableOptionsEntry
+	(*TableId)(nil),                      // 14: greptime.v1.TableId
-	(*AddColumn_Location)(nil),           // 15: greptime.v1.AddColumn.Location
+	nil,                                  // 15: greptime.v1.CreateTableExpr.TableOptionsEntry
-	(*ColumnDef)(nil),                    // 16: greptime.v1.ColumnDef
+	(*AddColumn_Location)(nil),           // 16: greptime.v1.AddColumn.Location
+	(*ColumnDef)(nil),                    // 17: greptime.v1.ColumnDef
 }
 var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	7,  // 0: greptime.v1.DdlRequest.create_database:type_name -> greptime.v1.CreateDatabaseExpr
@@ -1341,25 +1442,27 @@ var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	4,  // 3: greptime.v1.DdlRequest.drop_table:type_name -> greptime.v1.DropTableExpr
 	5,  // 4: greptime.v1.DdlRequest.flush_table:type_name -> greptime.v1.FlushTableExpr
 	6,  // 5: greptime.v1.DdlRequest.compact_table:type_name -> greptime.v1.CompactTableExpr
-	16, // 6: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
+	8,  // 6: greptime.v1.DdlRequest.truncate_table:type_name -> greptime.v1.TruncateTableExpr
-	14, // 7: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
+	17, // 7: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
-	13, // 8: greptime.v1.CreateTableExpr.table_id:type_name -> greptime.v1.TableId
+	15, // 8: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
-	8,  // 9: greptime.v1.AlterExpr.add_columns:type_name -> greptime.v1.AddColumns
+	14, // 9: greptime.v1.CreateTableExpr.table_id:type_name -> greptime.v1.TableId
-	9,  // 10: greptime.v1.AlterExpr.drop_columns:type_name -> greptime.v1.DropColumns
+	9,  // 10: greptime.v1.AlterExpr.add_columns:type_name -> greptime.v1.AddColumns
-	10, // 11: greptime.v1.AlterExpr.rename_table:type_name -> greptime.v1.RenameTable
+	10, // 11: greptime.v1.AlterExpr.drop_columns:type_name -> greptime.v1.DropColumns
-	13, // 12: greptime.v1.AlterExpr.table_id:type_name -> greptime.v1.TableId
+	11, // 12: greptime.v1.AlterExpr.rename_table:type_name -> greptime.v1.RenameTable
-	13, // 13: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
+	14, // 13: greptime.v1.AlterExpr.table_id:type_name -> greptime.v1.TableId
-	13, // 14: greptime.v1.FlushTableExpr.table_id:type_name -> greptime.v1.TableId
+	14, // 14: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
-	11, // 15: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
+	14, // 15: greptime.v1.FlushTableExpr.table_id:type_name -> greptime.v1.TableId
-	12, // 16: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
+	14, // 16: greptime.v1.TruncateTableExpr.table_id:type_name -> greptime.v1.TableId
-	16, // 17: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
+	12, // 17: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
-	15, // 18: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumn.Location
+	13, // 18: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
-	0,  // 19: greptime.v1.AddColumn.Location.location_type:type_name -> greptime.v1.AddColumn.Location.LocationType
+	17, // 19: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
-	20, // [20:20] is the sub-list for method output_type
+	16, // 20: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumn.Location
-	20, // [20:20] is the sub-list for method input_type
+	0,  // 21: greptime.v1.AddColumn.Location.location_type:type_name -> greptime.v1.AddColumn.Location.LocationType
-	20, // [20:20] is the sub-list for extension type_name
+	22, // [22:22] is the sub-list for method output_type
-	20, // [20:20] is the sub-list for extension extendee
+	22, // [22:22] is the sub-list for method input_type
-	0,  // [0:20] is the sub-list for field type_name
+	22, // [22:22] is the sub-list for extension type_name
+	22, // [22:22] is the sub-list for extension extendee
+	0,  // [0:22] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_ddl_proto_init() }
@@ -1454,7 +1557,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddColumns); i {
+			switch v := v.(*TruncateTableExpr); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1466,7 +1569,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DropColumns); i {
+			switch v := v.(*AddColumns); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1478,7 +1581,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RenameTable); i {
+			switch v := v.(*DropColumns); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1490,7 +1593,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddColumn); i {
+			switch v := v.(*RenameTable); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1502,7 +1605,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DropColumn); i {
+			switch v := v.(*AddColumn); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1514,6 +1617,18 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DropColumn); 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.(*TableId); i {
 			case 0:
 				return &v.state
@@ -1525,7 +1640,7 @@ 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[15].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AddColumn_Location); i {
 			case 0:
 				return &v.state
@@ -1545,6 +1660,7 @@ func file_greptime_v1_ddl_proto_init() {
 		(*DdlRequest_DropTable)(nil),
 		(*DdlRequest_FlushTable)(nil),
 		(*DdlRequest_CompactTable)(nil),
+		(*DdlRequest_TruncateTable)(nil),
 	}
 	file_greptime_v1_ddl_proto_msgTypes[2].OneofWrappers = []interface{}{
 		(*AlterExpr_AddColumns)(nil),
@@ -1559,7 +1675,7 @@ 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,
 		},

go/greptime/v1/meta/ddl.pb.go

@@ -238,6 +238,53 @@ func (x *AlterTableTask) GetAlterTable() *v1.AlterExpr {
 	return nil
 }
 
+type TruncateTableTask struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TruncateTable *v1.TruncateTableExpr `protobuf:"bytes,1,opt,name=truncate_table,json=truncateTable,proto3" json:"truncate_table,omitempty"`
+}
+
+func (x *TruncateTableTask) Reset() {
+	*x = TruncateTableTask{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TruncateTableTask) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TruncateTableTask) ProtoMessage() {}
+
+func (x *TruncateTableTask) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[3]
+	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 TruncateTableTask.ProtoReflect.Descriptor instead.
+func (*TruncateTableTask) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *TruncateTableTask) GetTruncateTable() *v1.TruncateTableExpr {
+	if x != nil {
+		return x.TruncateTable
+	}
+	return nil
+}
+
 type SubmitDdlTaskRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -249,13 +296,14 @@ type SubmitDdlTaskRequest struct {
 	//	*SubmitDdlTaskRequest_CreateTableTask
 	//	*SubmitDdlTaskRequest_DropTableTask
 	//	*SubmitDdlTaskRequest_AlterTableTask
+	//	*SubmitDdlTaskRequest_TruncateTableTask
 	Task isSubmitDdlTaskRequest_Task `protobuf_oneof:"task"`
 }
 
 func (x *SubmitDdlTaskRequest) Reset() {
 	*x = SubmitDdlTaskRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[3]
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -268,7 +316,7 @@ func (x *SubmitDdlTaskRequest) String() string {
 func (*SubmitDdlTaskRequest) ProtoMessage() {}
 
 func (x *SubmitDdlTaskRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[3]
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -281,7 +329,7 @@ func (x *SubmitDdlTaskRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubmitDdlTaskRequest.ProtoReflect.Descriptor instead.
 func (*SubmitDdlTaskRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{3}
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *SubmitDdlTaskRequest) GetHeader() *RequestHeader {
@@ -319,6 +367,13 @@ func (x *SubmitDdlTaskRequest) GetAlterTableTask() *AlterTableTask {
 	return nil
 }
 
+func (x *SubmitDdlTaskRequest) GetTruncateTableTask() *TruncateTableTask {
+	if x, ok := x.GetTask().(*SubmitDdlTaskRequest_TruncateTableTask); ok {
+		return x.TruncateTableTask
+	}
+	return nil
+}
+
 type isSubmitDdlTaskRequest_Task interface {
 	isSubmitDdlTaskRequest_Task()
 }
@@ -335,12 +390,18 @@ type SubmitDdlTaskRequest_AlterTableTask struct {
 	AlterTableTask *AlterTableTask `protobuf:"bytes,4,opt,name=alter_table_task,json=alterTableTask,proto3,oneof"`
 }
 
+type SubmitDdlTaskRequest_TruncateTableTask struct {
+	TruncateTableTask *TruncateTableTask `protobuf:"bytes,5,opt,name=truncate_table_task,json=truncateTableTask,proto3,oneof"`
+}
+
 func (*SubmitDdlTaskRequest_CreateTableTask) isSubmitDdlTaskRequest_Task() {}
 
 func (*SubmitDdlTaskRequest_DropTableTask) isSubmitDdlTaskRequest_Task() {}
 
 func (*SubmitDdlTaskRequest_AlterTableTask) isSubmitDdlTaskRequest_Task() {}
 
+func (*SubmitDdlTaskRequest_TruncateTableTask) isSubmitDdlTaskRequest_Task() {}
+
 type SubmitDdlTaskResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -356,7 +417,7 @@ type SubmitDdlTaskResponse struct {
 func (x *SubmitDdlTaskResponse) Reset() {
 	*x = SubmitDdlTaskResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[4]
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -369,7 +430,7 @@ func (x *SubmitDdlTaskResponse) String() string {
 func (*SubmitDdlTaskResponse) ProtoMessage() {}
 
 func (x *SubmitDdlTaskResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[4]
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -382,7 +443,7 @@ func (x *SubmitDdlTaskResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubmitDdlTaskResponse.ProtoReflect.Descriptor instead.
 func (*SubmitDdlTaskResponse) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{4}
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *SubmitDdlTaskResponse) GetHeader() *ResponseHeader {
@@ -437,51 +498,62 @@ var file_greptime_v1_meta_ddl_proto_rawDesc = []byte{
 	0x6b, 0x12, 0x37, 0x0a, 0x0b, 0x61, 0x6c, 0x74, 0x65, 0x72, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
 	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x45, 0x78, 0x70, 0x72, 0x52, 0x0a,
-	0x61, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x22, 0xc1, 0x02, 0x0a, 0x14, 0x53,
+	0x61, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x22, 0x5a, 0x0a, 0x11, 0x54, 0x72,
-	0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x71, 0x75,
+	0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x12,
-	0x65, 0x73, 0x74, 0x12, 0x37, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20,
+	0x45, 0x0a, 0x0e, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c,
-	0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76,
+	0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
-	0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x48, 0x65,
+	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x54, 0x61,
-	0x61, 0x64, 0x65, 0x72, 0x52, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x4f, 0x0a, 0x11,
+	0x62, 0x6c, 0x65, 0x45, 0x78, 0x70, 0x72, 0x52, 0x0d, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74,
-	0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73,
+	0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x22, 0x98, 0x03, 0x0a, 0x14, 0x53, 0x75, 0x62, 0x6d, 0x69,
-	0x6b, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
+	0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12,
-	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x43, 0x72, 0x65, 0x61, 0x74,
+	0x37, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x0f, 0x63, 0x72,
+	0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65,
-	0x65, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x49, 0x0a,
+	0x74, 0x61, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72,
-	0x0f, 0x64, 0x72, 0x6f, 0x70, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b,
+	0x52, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x4f, 0x0a, 0x11, 0x63, 0x72, 0x65, 0x61,
-	0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x74, 0x65, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b, 0x18, 0x02, 0x20,
-	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x44, 0x72, 0x6f, 0x70, 0x54, 0x61,
+	0x01, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76,
-	0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x0d, 0x64, 0x72, 0x6f, 0x70, 0x54,
+	0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62,
-	0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x4c, 0x0a, 0x10, 0x61, 0x6c, 0x74, 0x65,
+	0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x0f, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65,
-	0x72, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b, 0x18, 0x04, 0x20, 0x01,
+	0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x49, 0x0a, 0x0f, 0x64, 0x72, 0x6f,
-	0x28, 0x0b, 0x32, 0x20, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31,
+	0x70, 0x5f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b, 0x18, 0x03, 0x20, 0x01,
-	0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62, 0x6c, 0x65,
+	0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31,
-	0x54, 0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x0e, 0x61, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62,
+	0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x44, 0x72, 0x6f, 0x70, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54,
-	0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x42, 0x06, 0x0a, 0x04, 0x74, 0x61, 0x73, 0x6b, 0x22, 0x99,
+	0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x0d, 0x64, 0x72, 0x6f, 0x70, 0x54, 0x61, 0x62, 0x6c, 0x65,
-	0x01, 0x0a, 0x15, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b,
+	0x54, 0x61, 0x73, 0x6b, 0x12, 0x4c, 0x0a, 0x10, 0x61, 0x6c, 0x74, 0x65, 0x72, 0x5f, 0x74, 0x61,
-	0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x38, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64,
+	0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20,
-	0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74,
-	0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x52, 0x65, 0x73, 0x70,
+	0x61, 0x2e, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b,
-	0x6f, 0x6e, 0x73, 0x65, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x06, 0x68, 0x65, 0x61, 0x64,
+	0x48, 0x00, 0x52, 0x0e, 0x61, 0x6c, 0x74, 0x65, 0x72, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61,
-	0x65, 0x72, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52,
+	0x73, 0x6b, 0x12, 0x55, 0x0a, 0x13, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x5f, 0x74,
-	0x03, 0x6b, 0x65, 0x79, 0x12, 0x34, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x69, 0x64,
+	0x61, 0x62, 0x6c, 0x65, 0x5f, 0x74, 0x61, 0x73, 0x6b, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x23, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65,
-	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49,
+	0x74, 0x61, 0x2e, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x54, 0x61, 0x62, 0x6c, 0x65,
-	0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x2a, 0x23, 0x0a, 0x0b, 0x44, 0x64,
+	0x54, 0x61, 0x73, 0x6b, 0x48, 0x00, 0x52, 0x11, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65,
-	0x6c, 0x54, 0x61, 0x73, 0x6b, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06, 0x43, 0x72, 0x65,
+	0x54, 0x61, 0x62, 0x6c, 0x65, 0x54, 0x61, 0x73, 0x6b, 0x42, 0x06, 0x0a, 0x04, 0x74, 0x61, 0x73,
-	0x61, 0x74, 0x65, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04, 0x44, 0x72, 0x6f, 0x70, 0x10, 0x01, 0x32,
+	0x6b, 0x22, 0x99, 0x01, 0x0a, 0x15, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54,
-	0x6b, 0x0a, 0x07, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x60, 0x0a, 0x0d, 0x53, 0x75,
+	0x61, 0x73, 0x6b, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x38, 0x0a, 0x06, 0x68,
-	0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x26, 0x2e, 0x67, 0x72,
+	0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x67, 0x72,
-	0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x53,
+	0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x52,
-	0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x06, 0x68,
-	0x65, 0x73, 0x74, 0x1a, 0x27, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76,
+	0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01,
-	0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c,
+	0x28, 0x0c, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x34, 0x0a, 0x08, 0x74, 0x61, 0x62, 0x6c, 0x65,
-	0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x3c, 0x5a, 0x3a,
+	0x5f, 0x69, 0x64, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x72, 0x65, 0x70,
-	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x72, 0x65, 0x70, 0x74,
+	0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x54, 0x61, 0x62,
-	0x69, 0x6d, 0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
+	0x6c, 0x65, 0x49, 0x64, 0x52, 0x07, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64, 0x2a, 0x23, 0x0a,
-	0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
+	0x0b, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06,
-	0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04, 0x44, 0x72, 0x6f, 0x70,
-	0x6f, 0x33,
+	0x10, 0x01, 0x32, 0x6b, 0x0a, 0x07, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x60, 0x0a,
+	0x0d, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x12, 0x26,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74,
+	0x61, 0x2e, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x27, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74,
+	0x44, 0x64, 0x6c, 0x54, 0x61, 0x73, 0x6b, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42,
+	0x3c, 0x5a, 0x3a, 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, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -497,40 +569,44 @@ func file_greptime_v1_meta_ddl_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_meta_ddl_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_greptime_v1_meta_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_greptime_v1_meta_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_greptime_v1_meta_ddl_proto_goTypes = []interface{}{
 	(DdlTaskType)(0),              // 0: greptime.v1.meta.DdlTaskType
 	(*CreateTableTask)(nil),       // 1: greptime.v1.meta.CreateTableTask
 	(*DropTableTask)(nil),         // 2: greptime.v1.meta.DropTableTask
 	(*AlterTableTask)(nil),        // 3: greptime.v1.meta.AlterTableTask
-	(*SubmitDdlTaskRequest)(nil),  // 4: greptime.v1.meta.SubmitDdlTaskRequest
+	(*TruncateTableTask)(nil),     // 4: greptime.v1.meta.TruncateTableTask
-	(*SubmitDdlTaskResponse)(nil), // 5: greptime.v1.meta.SubmitDdlTaskResponse
+	(*SubmitDdlTaskRequest)(nil),  // 5: greptime.v1.meta.SubmitDdlTaskRequest
-	(*v1.CreateTableExpr)(nil),    // 6: greptime.v1.CreateTableExpr
+	(*SubmitDdlTaskResponse)(nil), // 6: greptime.v1.meta.SubmitDdlTaskResponse
-	(*Partition)(nil),             // 7: greptime.v1.meta.Partition
+	(*v1.CreateTableExpr)(nil),    // 7: greptime.v1.CreateTableExpr
-	(*v1.DropTableExpr)(nil),      // 8: greptime.v1.DropTableExpr
+	(*Partition)(nil),             // 8: greptime.v1.meta.Partition
-	(*v1.AlterExpr)(nil),          // 9: greptime.v1.AlterExpr
+	(*v1.DropTableExpr)(nil),      // 9: greptime.v1.DropTableExpr
-	(*RequestHeader)(nil),         // 10: greptime.v1.meta.RequestHeader
+	(*v1.AlterExpr)(nil),          // 10: greptime.v1.AlterExpr
-	(*ResponseHeader)(nil),        // 11: greptime.v1.meta.ResponseHeader
+	(*v1.TruncateTableExpr)(nil),  // 11: greptime.v1.TruncateTableExpr
-	(*TableId)(nil),               // 12: greptime.v1.meta.TableId
+	(*RequestHeader)(nil),         // 12: greptime.v1.meta.RequestHeader
+	(*ResponseHeader)(nil),        // 13: greptime.v1.meta.ResponseHeader
+	(*TableId)(nil),               // 14: greptime.v1.meta.TableId
 }
 var file_greptime_v1_meta_ddl_proto_depIdxs = []int32{
-	6,  // 0: greptime.v1.meta.CreateTableTask.create_table:type_name -> greptime.v1.CreateTableExpr
+	7,  // 0: greptime.v1.meta.CreateTableTask.create_table:type_name -> greptime.v1.CreateTableExpr
-	7,  // 1: greptime.v1.meta.CreateTableTask.partitions:type_name -> greptime.v1.meta.Partition
+	8,  // 1: greptime.v1.meta.CreateTableTask.partitions:type_name -> greptime.v1.meta.Partition
-	8,  // 2: greptime.v1.meta.DropTableTask.drop_table:type_name -> greptime.v1.DropTableExpr
+	9,  // 2: greptime.v1.meta.DropTableTask.drop_table:type_name -> greptime.v1.DropTableExpr
-	9,  // 3: greptime.v1.meta.AlterTableTask.alter_table:type_name -> greptime.v1.AlterExpr
+	10, // 3: greptime.v1.meta.AlterTableTask.alter_table:type_name -> greptime.v1.AlterExpr
-	10, // 4: greptime.v1.meta.SubmitDdlTaskRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	11, // 4: greptime.v1.meta.TruncateTableTask.truncate_table:type_name -> greptime.v1.TruncateTableExpr
-	1,  // 5: greptime.v1.meta.SubmitDdlTaskRequest.create_table_task:type_name -> greptime.v1.meta.CreateTableTask
+	12, // 5: greptime.v1.meta.SubmitDdlTaskRequest.header:type_name -> greptime.v1.meta.RequestHeader
-	2,  // 6: greptime.v1.meta.SubmitDdlTaskRequest.drop_table_task:type_name -> greptime.v1.meta.DropTableTask
+	1,  // 6: greptime.v1.meta.SubmitDdlTaskRequest.create_table_task:type_name -> greptime.v1.meta.CreateTableTask
-	3,  // 7: greptime.v1.meta.SubmitDdlTaskRequest.alter_table_task:type_name -> greptime.v1.meta.AlterTableTask
+	2,  // 7: greptime.v1.meta.SubmitDdlTaskRequest.drop_table_task:type_name -> greptime.v1.meta.DropTableTask
-	11, // 8: greptime.v1.meta.SubmitDdlTaskResponse.header:type_name -> greptime.v1.meta.ResponseHeader
+	3,  // 8: greptime.v1.meta.SubmitDdlTaskRequest.alter_table_task:type_name -> greptime.v1.meta.AlterTableTask
-	12, // 9: greptime.v1.meta.SubmitDdlTaskResponse.table_id:type_name -> greptime.v1.meta.TableId
+	4,  // 9: greptime.v1.meta.SubmitDdlTaskRequest.truncate_table_task:type_name -> greptime.v1.meta.TruncateTableTask
-	4,  // 10: greptime.v1.meta.DdlTask.SubmitDdlTask:input_type -> greptime.v1.meta.SubmitDdlTaskRequest
+	13, // 10: greptime.v1.meta.SubmitDdlTaskResponse.header:type_name -> greptime.v1.meta.ResponseHeader
-	5,  // 11: greptime.v1.meta.DdlTask.SubmitDdlTask:output_type -> greptime.v1.meta.SubmitDdlTaskResponse
+	14, // 11: greptime.v1.meta.SubmitDdlTaskResponse.table_id:type_name -> greptime.v1.meta.TableId
-	11, // [11:12] is the sub-list for method output_type
+	5,  // 12: greptime.v1.meta.DdlTask.SubmitDdlTask:input_type -> greptime.v1.meta.SubmitDdlTaskRequest
-	10, // [10:11] is the sub-list for method input_type
+	6,  // 13: greptime.v1.meta.DdlTask.SubmitDdlTask:output_type -> greptime.v1.meta.SubmitDdlTaskResponse
-	10, // [10:10] is the sub-list for extension type_name
+	13, // [13:14] is the sub-list for method output_type
-	10, // [10:10] is the sub-list for extension extendee
+	12, // [12:13] is the sub-list for method input_type
-	0,  // [0:10] is the sub-list for field type_name
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_meta_ddl_proto_init() }
@@ -578,7 +654,7 @@ func file_greptime_v1_meta_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_ddl_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubmitDdlTaskRequest); i {
+			switch v := v.(*TruncateTableTask); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -590,6 +666,18 @@ func file_greptime_v1_meta_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_ddl_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubmitDdlTaskRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_meta_ddl_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubmitDdlTaskResponse); i {
 			case 0:
 				return &v.state
@@ -602,10 +690,11 @@ func file_greptime_v1_meta_ddl_proto_init() {
 			}
 		}
 	}
-	file_greptime_v1_meta_ddl_proto_msgTypes[3].OneofWrappers = []interface{}{
+	file_greptime_v1_meta_ddl_proto_msgTypes[4].OneofWrappers = []interface{}{
 		(*SubmitDdlTaskRequest_CreateTableTask)(nil),
 		(*SubmitDdlTaskRequest_DropTableTask)(nil),
 		(*SubmitDdlTaskRequest_AlterTableTask)(nil),
+		(*SubmitDdlTaskRequest_TruncateTableTask)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -613,7 +702,7 @@ func file_greptime_v1_meta_ddl_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_meta_ddl_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/greptime/v1/ddl.proto

@@ -34,6 +34,7 @@ message DdlRequest {
     DropTableExpr drop_table = 4;
     FlushTableExpr flush_table = 5;
     CompactTableExpr compact_table = 6;
+    TruncateTableExpr truncate_table = 7;
   }
 }
 
@@ -93,6 +94,13 @@ message CreateDatabaseExpr {
   bool create_if_not_exists = 2;
 }
 
+message TruncateTableExpr {
+  string catalog_name = 1;
+  string schema_name = 2;
+  string table_name = 3;
+  TableId table_id = 4;
+}
+
 message AddColumns { repeated AddColumn add_columns = 1; }
 
 message DropColumns { repeated DropColumn drop_columns = 1; }

proto/greptime/v1/meta/ddl.proto

@@ -47,6 +47,10 @@ message AlterTableTask{
     AlterExpr alter_table = 1;
 }
 
+message TruncateTableTask {
+    TruncateTableExpr truncate_table = 1;
+}
+
 message SubmitDdlTaskRequest {
     RequestHeader header = 1;
 
@@ -54,6 +58,7 @@ message SubmitDdlTaskRequest {
         CreateTableTask create_table_task = 2;
         DropTableTask drop_table_task = 3;
         AlterTableTask alter_table_task = 4;
+        TruncateTableTask truncate_table_task = 5;
      }
 }