feat: add bulk insert request type (#228)

* add bulk insert request type

* fix: rename

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

@@ -430,11 +430,39 @@ struct RegionColumnDefDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 RegionColumnDefDefaultTypeInternal _RegionColumnDef_default_instance_;
+PROTOBUF_CONSTEXPR BulkInsertRequests::BulkInsertRequests(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.requests_)*/{}
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct BulkInsertRequestsDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR BulkInsertRequestsDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~BulkInsertRequestsDefaultTypeInternal() {}
+  union {
+    BulkInsertRequests _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 BulkInsertRequestsDefaultTypeInternal _BulkInsertRequests_default_instance_;
+PROTOBUF_CONSTEXPR BulkInsertRequest::BulkInsertRequest(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.payload_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
+  , /*decltype(_impl_.region_id_)*/uint64_t{0u}
+  , /*decltype(_impl_.payload_type_)*/0
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct BulkInsertRequestDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR BulkInsertRequestDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~BulkInsertRequestDefaultTypeInternal() {}
+  union {
+    BulkInsertRequest _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 BulkInsertRequestDefaultTypeInternal _BulkInsertRequest_default_instance_;
 }  // namespace region
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto[30];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto[32];
-static constexpr ::_pb::EnumDescriptor const** file_level_enum_descriptors_greptime_2fv1_2fregion_2fserver_2eproto = nullptr;
+static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fregion_2fserver_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fregion_2fserver_2eproto = nullptr;
 
 const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
@@ -477,6 +505,7 @@ const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PR
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
+  ::_pbi::kInvalidFieldOffsetTag,
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionRequest, _impl_.body_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionResponse_ExtensionsEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionResponse_ExtensionsEntry_DoNotUse, _internal_metadata_),
@@ -704,38 +733,56 @@ const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PR
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionColumnDef, _impl_.column_def_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::RegionColumnDef, _impl_.column_id_),
+  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequests, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequests, _impl_.requests_),
+  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequest, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequest, _impl_.region_id_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequest, _impl_.payload_type_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::BulkInsertRequest, _impl_.payload_),
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
   { 0, 8, -1, sizeof(::greptime::v1::region::RegionRequestHeader_TracingContextEntry_DoNotUse)},
   { 10, -1, -1, sizeof(::greptime::v1::region::RegionRequestHeader)},
   { 19, -1, -1, sizeof(::greptime::v1::region::RegionRequest)},
-  { 40, 48, -1, sizeof(::greptime::v1::region::RegionResponse_ExtensionsEntry_DoNotUse)},
+  { 41, 49, -1, sizeof(::greptime::v1::region::RegionResponse_ExtensionsEntry_DoNotUse)},
-  { 50, -1, -1, sizeof(::greptime::v1::region::RegionResponse)},
+  { 51, -1, -1, sizeof(::greptime::v1::region::RegionResponse)},
-  { 59, -1, -1, sizeof(::greptime::v1::region::InsertRequests)},
+  { 60, -1, -1, sizeof(::greptime::v1::region::InsertRequests)},
-  { 66, -1, -1, sizeof(::greptime::v1::region::DeleteRequests)},
+  { 67, -1, -1, sizeof(::greptime::v1::region::DeleteRequests)},
-  { 73, -1, -1, sizeof(::greptime::v1::region::InsertRequest)},
+  { 74, -1, -1, sizeof(::greptime::v1::region::InsertRequest)},
-  { 81, -1, -1, sizeof(::greptime::v1::region::DeleteRequest)},
+  { 82, -1, -1, sizeof(::greptime::v1::region::DeleteRequest)},
-  { 89, -1, -1, sizeof(::greptime::v1::region::QueryRequest)},
+  { 90, -1, -1, sizeof(::greptime::v1::region::QueryRequest)},
-  { 98, -1, -1, sizeof(::greptime::v1::region::CreateRequests)},
+  { 99, -1, -1, sizeof(::greptime::v1::region::CreateRequests)},
-  { 105, 113, -1, sizeof(::greptime::v1::region::CreateRequest_OptionsEntry_DoNotUse)},
+  { 106, 114, -1, sizeof(::greptime::v1::region::CreateRequest_OptionsEntry_DoNotUse)},
-  { 115, -1, -1, sizeof(::greptime::v1::region::CreateRequest)},
+  { 116, -1, -1, sizeof(::greptime::v1::region::CreateRequest)},
-  { 127, -1, -1, sizeof(::greptime::v1::region::DropRequests)},
+  { 128, -1, -1, sizeof(::greptime::v1::region::DropRequests)},
-  { 134, -1, -1, sizeof(::greptime::v1::region::DropRequest)},
+  { 135, -1, -1, sizeof(::greptime::v1::region::DropRequest)},
-  { 142, 150, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
+  { 143, 151, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
-  { 152, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
+  { 153, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
-  { 162, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
+  { 163, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
-  { 169, -1, -1, sizeof(::greptime::v1::region::AlterRequests)},
+  { 170, -1, -1, sizeof(::greptime::v1::region::AlterRequests)},
-  { 176, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
+  { 177, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
-  { 192, -1, -1, sizeof(::greptime::v1::region::AddColumns)},
+  { 193, -1, -1, sizeof(::greptime::v1::region::AddColumns)},
-  { 199, -1, -1, sizeof(::greptime::v1::region::DropColumns)},
+  { 200, -1, -1, sizeof(::greptime::v1::region::DropColumns)},
-  { 206, -1, -1, sizeof(::greptime::v1::region::AddColumn)},
+  { 207, -1, -1, sizeof(::greptime::v1::region::AddColumn)},
-  { 214, -1, -1, sizeof(::greptime::v1::region::DropColumn)},
+  { 215, -1, -1, sizeof(::greptime::v1::region::DropColumn)},
-  { 221, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
+  { 222, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
-  { 228, -1, -1, sizeof(::greptime::v1::region::Regular)},
+  { 229, -1, -1, sizeof(::greptime::v1::region::Regular)},
-  { 234, -1, -1, sizeof(::greptime::v1::region::StrictWindow)},
+  { 235, -1, -1, sizeof(::greptime::v1::region::StrictWindow)},
-  { 241, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
+  { 242, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
-  { 251, -1, -1, sizeof(::greptime::v1::region::TruncateRequest)},
+  { 252, -1, -1, sizeof(::greptime::v1::region::TruncateRequest)},
-  { 258, -1, -1, sizeof(::greptime::v1::region::RegionColumnDef)},
+  { 259, -1, -1, sizeof(::greptime::v1::region::RegionColumnDef)},
+  { 267, -1, -1, sizeof(::greptime::v1::region::BulkInsertRequests)},
+  { 274, -1, -1, sizeof(::greptime::v1::region::BulkInsertRequest)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -769,6 +816,8 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::region::_CompactRequest_default_instance_._instance,
   &::greptime::v1::region::_TruncateRequest_default_instance_._instance,
   &::greptime::v1::region::_RegionColumnDef_default_instance_._instance,
+  &::greptime::v1::region::_BulkInsertRequests_default_instance_._instance,
+  &::greptime::v1::region::_BulkInsertRequest_default_instance_._instance,
 };
 
 const char descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
@@ -780,7 +829,7 @@ const char descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto[] P
   "onRequestHeader.TracingContextEntry\022\016\n\006d"
   "bname\030\003 \001(\t\0220\n\rquery_context\030\006 \001(\0132\031.gre"
   "ptime.v1.QueryContext\0325\n\023TracingContextE"
-  "ntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\375\005\n"
+  "ntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\275\006\n"
   "\rRegionRequest\0227\n\006header\030\001 \001(\0132\'.greptim"
   "e.v1.region.RegionRequestHeader\0225\n\007inser"
   "ts\030\003 \001(\0132\".greptime.v1.region.InsertRequ"
@@ -799,73 +848,80 @@ const char descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto[] P
   "\007creates\030\r \001(\0132\".greptime.v1.region.Crea"
   "teRequestsH\000\0221\n\005drops\030\016 \001(\0132 .greptime.v"
   "1.region.DropRequestsH\000\0223\n\006alters\030\017 \001(\0132"
-  "!.greptime.v1.region.AlterRequestsH\000B\006\n\004"
+  "!.greptime.v1.region.AlterRequestsH\000\022>\n\014"
-  "body\"\317\001\n\016RegionResponse\022+\n\006header\030\001 \001(\0132"
+  "bulk_inserts\030\020 \001(\0132&.greptime.v1.region."
-  "\033.greptime.v1.ResponseHeader\022\025\n\raffected"
+  "BulkInsertRequestsH\000B\006\n\004body\"\317\001\n\016RegionR"
-  "_rows\030\002 \001(\004\022F\n\nextensions\030\003 \003(\01322.grepti"
+  "esponse\022+\n\006header\030\001 \001(\0132\033.greptime.v1.Re"
-  "me.v1.region.RegionResponse.ExtensionsEn"
+  "sponseHeader\022\025\n\raffected_rows\030\002 \001(\004\022F\n\ne"
-  "try\0321\n\017ExtensionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
+  "xtensions\030\003 \003(\01322.greptime.v1.region.Reg"
-  "alue\030\002 \001(\014:\0028\001\"E\n\016InsertRequests\0223\n\010requ"
+  "ionResponse.ExtensionsEntry\0321\n\017Extension"
-  "ests\030\001 \003(\0132!.greptime.v1.region.InsertRe"
+  "sEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028\001\"E"
-  "quest\"E\n\016DeleteRequests\0223\n\010requests\030\001 \003("
+  "\n\016InsertRequests\0223\n\010requests\030\001 \003(\0132!.gre"
-  "\0132!.greptime.v1.region.DeleteRequest\"C\n\r"
+  "ptime.v1.region.InsertRequest\"E\n\016DeleteR"
-  "InsertRequest\022\021\n\tregion_id\030\001 \001(\004\022\037\n\004rows"
+  "equests\0223\n\010requests\030\001 \003(\0132!.greptime.v1."
-  "\030\002 \001(\0132\021.greptime.v1.Rows\"C\n\rDeleteReque"
+  "region.DeleteRequest\"C\n\rInsertRequest\022\021\n"
-  "st\022\021\n\tregion_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.gr"
+  "\tregion_id\030\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptim"
-  "eptime.v1.Rows\"h\n\014QueryRequest\0227\n\006header"
+  "e.v1.Rows\"C\n\rDeleteRequest\022\021\n\tregion_id\030"
-  "\030\001 \001(\0132\'.greptime.v1.region.RegionReques"
+  "\001 \001(\004\022\037\n\004rows\030\002 \001(\0132\021.greptime.v1.Rows\"h"
-  "tHeader\022\021\n\tregion_id\030\002 \001(\004\022\014\n\004plan\030\003 \001(\014"
+  "\n\014QueryRequest\0227\n\006header\030\001 \001(\0132\'.greptim"
-  "\"E\n\016CreateRequests\0223\n\010requests\030\001 \003(\0132!.g"
+  "e.v1.region.RegionRequestHeader\022\021\n\tregio"
-  "reptime.v1.region.CreateRequest\"\200\002\n\rCrea"
+  "n_id\030\002 \001(\004\022\014\n\004plan\030\003 \001(\014\"E\n\016CreateReques"
-  "teRequest\022\021\n\tregion_id\030\001 \001(\004\022\016\n\006engine\030\002"
+  "ts\0223\n\010requests\030\001 \003(\0132!.greptime.v1.regio"
-  " \001(\t\0228\n\013column_defs\030\003 \003(\0132#.greptime.v1."
+  "n.CreateRequest\"\200\002\n\rCreateRequest\022\021\n\treg"
-  "region.RegionColumnDef\022\023\n\013primary_key\030\004 "
+  "ion_id\030\001 \001(\004\022\016\n\006engine\030\002 \001(\t\0228\n\013column_d"
-  "\003(\r\022\014\n\004path\030\005 \001(\t\022\?\n\007options\030\006 \003(\0132..gre"
+  "efs\030\003 \003(\0132#.greptime.v1.region.RegionCol"
-  "ptime.v1.region.CreateRequest.OptionsEnt"
+  "umnDef\022\023\n\013primary_key\030\004 \003(\r\022\014\n\004path\030\005 \001("
+  "\t\022\?\n\007options\030\006 \003(\0132..greptime.v1.region."
+  "CreateRequest.OptionsEntry\032.\n\014OptionsEnt"
+  "ry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"A\n\014Dr"
+  "opRequests\0221\n\010requests\030\001 \003(\0132\037.greptime."
+  "v1.region.DropRequest\"3\n\013DropRequest\022\021\n\t"
+  "region_id\030\001 \001(\004\022\021\n\tfast_path\030\002 \001(\010\"\255\001\n\013O"
+  "penRequest\022\021\n\tregion_id\030\001 \001(\004\022\016\n\006engine\030"
+  "\002 \001(\t\022\014\n\004path\030\003 \001(\t\022=\n\007options\030\004 \003(\0132,.g"
+  "reptime.v1.region.OpenRequest.OptionsEnt"
   "ry\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value"
-  "\030\002 \001(\t:\0028\001\"A\n\014DropRequests\0221\n\010requests\030\001"
+  "\030\002 \001(\t:\0028\001\"!\n\014CloseRequest\022\021\n\tregion_id\030"
-  " \003(\0132\037.greptime.v1.region.DropRequest\"3\n"
+  "\001 \001(\004\"C\n\rAlterRequests\0222\n\010requests\030\001 \003(\013"
-  "\013DropRequest\022\021\n\tregion_id\030\001 \001(\004\022\021\n\tfast_"
+  "2 .greptime.v1.region.AlterRequest\"\306\003\n\014A"
-  "path\030\002 \001(\010\"\255\001\n\013OpenRequest\022\021\n\tregion_id\030"
+  "lterRequest\022\021\n\tregion_id\030\001 \001(\004\0225\n\013add_co"
-  "\001 \001(\004\022\016\n\006engine\030\002 \001(\t\022\014\n\004path\030\003 \001(\t\022=\n\007o"
+  "lumns\030\002 \001(\0132\036.greptime.v1.region.AddColu"
-  "ptions\030\004 \003(\0132,.greptime.v1.region.OpenRe"
+  "mnsH\000\0227\n\014drop_columns\030\003 \001(\0132\037.greptime.v"
-  "quest.OptionsEntry\032.\n\014OptionsEntry\022\013\n\003ke"
+  "1.region.DropColumnsH\000\022=\n\023modify_column_"
-  "y\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014CloseReque"
+  "types\030\005 \001(\0132\036.greptime.v1.ModifyColumnTy"
-  "st\022\021\n\tregion_id\030\001 \001(\004\"C\n\rAlterRequests\0222"
+  "pesH\000\0229\n\021set_table_options\030\006 \001(\0132\034.grept"
-  "\n\010requests\030\001 \003(\0132 .greptime.v1.region.Al"
+  "ime.v1.SetTableOptionsH\000\022=\n\023unset_table_"
-  "terRequest\"\306\003\n\014AlterRequest\022\021\n\tregion_id"
+  "options\030\t \001(\0132\036.greptime.v1.UnsetTableOp"
-  "\030\001 \001(\004\0225\n\013add_columns\030\002 \001(\0132\036.greptime.v"
+  "tionsH\000\022*\n\tset_index\030\n \001(\0132\025.greptime.v1"
-  "1.region.AddColumnsH\000\0227\n\014drop_columns\030\003 "
+  ".SetIndexH\000\022.\n\013unset_index\030\013 \001(\0132\027.grept"
-  "\001(\0132\037.greptime.v1.region.DropColumnsH\000\022="
+  "ime.v1.UnsetIndexH\000\022\026\n\016schema_version\030\004 "
-  "\n\023modify_column_types\030\005 \001(\0132\036.greptime.v"
+  "\001(\004B\006\n\004kind\"@\n\nAddColumns\0222\n\013add_columns"
-  "1.ModifyColumnTypesH\000\0229\n\021set_table_optio"
+  "\030\001 \003(\0132\035.greptime.v1.region.AddColumn\"C\n"
-  "ns\030\006 \001(\0132\034.greptime.v1.SetTableOptionsH\000"
+  "\013DropColumns\0224\n\014drop_columns\030\001 \003(\0132\036.gre"
-  "\022=\n\023unset_table_options\030\t \001(\0132\036.greptime"
+  "ptime.v1.region.DropColumn\"v\n\tAddColumn\022"
-  ".v1.UnsetTableOptionsH\000\022*\n\tset_index\030\n \001"
+  "7\n\ncolumn_def\030\001 \001(\0132#.greptime.v1.region"
-  "(\0132\025.greptime.v1.SetIndexH\000\022.\n\013unset_ind"
+  ".RegionColumnDef\0220\n\010location\030\003 \001(\0132\036.gre"
-  "ex\030\013 \001(\0132\027.greptime.v1.UnsetIndexH\000\022\026\n\016s"
+  "ptime.v1.AddColumnLocation\"\032\n\nDropColumn"
-  "chema_version\030\004 \001(\004B\006\n\004kind\"@\n\nAddColumn"
+  "\022\014\n\004name\030\001 \001(\t\"!\n\014FlushRequest\022\021\n\tregion"
-  "s\0222\n\013add_columns\030\001 \003(\0132\035.greptime.v1.reg"
+  "_id\030\001 \001(\004\"\t\n\007Regular\"&\n\014StrictWindow\022\026\n\016"
-  "ion.AddColumn\"C\n\013DropColumns\0224\n\014drop_col"
+  "window_seconds\030\001 \001(\003\"\231\001\n\016CompactRequest\022"
-  "umns\030\001 \003(\0132\036.greptime.v1.region.DropColu"
+  "\021\n\tregion_id\030\001 \001(\004\022.\n\007regular\030\002 \001(\0132\033.gr"
-  "mn\"v\n\tAddColumn\0227\n\ncolumn_def\030\001 \001(\0132#.gr"
+  "eptime.v1.region.RegularH\000\0229\n\rstrict_win"
-  "eptime.v1.region.RegionColumnDef\0220\n\010loca"
+  "dow\030\003 \001(\0132 .greptime.v1.region.StrictWin"
-  "tion\030\003 \001(\0132\036.greptime.v1.AddColumnLocati"
+  "dowH\000B\t\n\007options\"$\n\017TruncateRequest\022\021\n\tr"
-  "on\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t\"!\n\014FlushR"
+  "egion_id\030\001 \001(\004\"P\n\017RegionColumnDef\022*\n\ncol"
-  "equest\022\021\n\tregion_id\030\001 \001(\004\"\t\n\007Regular\"&\n\014"
+  "umn_def\030\001 \001(\0132\026.greptime.v1.ColumnDef\022\021\n"
-  "StrictWindow\022\026\n\016window_seconds\030\001 \001(\003\"\231\001\n"
+  "\tcolumn_id\030\002 \001(\r\"M\n\022BulkInsertRequests\0227"
-  "\016CompactRequest\022\021\n\tregion_id\030\001 \001(\004\022.\n\007re"
+  "\n\010requests\030\001 \003(\0132%.greptime.v1.region.Bu"
-  "gular\030\002 \001(\0132\033.greptime.v1.region.Regular"
+  "lkInsertRequest\"q\n\021BulkInsertRequest\022\021\n\t"
-  "H\000\0229\n\rstrict_window\030\003 \001(\0132 .greptime.v1."
+  "region_id\030\001 \001(\004\0228\n\014payload_type\030\002 \001(\0162\"."
-  "region.StrictWindowH\000B\t\n\007options\"$\n\017Trun"
+  "greptime.v1.region.BulkInsertType\022\017\n\007pay"
-  "cateRequest\022\021\n\tregion_id\030\001 \001(\004\"P\n\017Region"
+  "load\030\003 \001(\014*\037\n\016BulkInsertType\022\r\n\tARROW_IP"
-  "ColumnDef\022*\n\ncolumn_def\030\001 \001(\0132\026.greptime"
+  "C\020\0002Y\n\006Region\022O\n\006Handle\022!.greptime.v1.re"
-  ".v1.ColumnDef\022\021\n\tcolumn_id\030\002 \001(\r2Y\n\006Regi"
+  "gion.RegionRequest\032\".greptime.v1.region."
-  "on\022O\n\006Handle\022!.greptime.v1.region.Region"
+  "RegionResponseB]\n\025io.greptime.v1.regionB"
-  "Request\032\".greptime.v1.region.RegionRespo"
+  "\006ServerZ<github.com/GreptimeTeam/greptim"
-  "nseB]\n\025io.greptime.v1.regionB\006ServerZ<gi"
+  "e-proto/go/greptime/v1/regionb\006proto3"
-  "thub.com/GreptimeTeam/greptime-proto/go/"
-  "greptime/v1/regionb\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps[3] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
@@ -874,9 +930,9 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2freg
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto = {
-    false, false, 3746, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
+    false, false, 4037, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
     "greptime/v1/region/server.proto",
-    &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps, 3, 30,
+    &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps, 3, 32,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto, file_level_enum_descriptors_greptime_2fv1_2fregion_2fserver_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fregion_2fserver_2eproto,
@@ -890,6 +946,19 @@ PROTOBUF_ATTRIBUTE_INIT_PRIORITY2 static ::_pbi::AddDescriptorsRunner dynamic_in
 namespace greptime {
 namespace v1 {
 namespace region {
+const ::PROTOBUF_NAMESPACE_ID::EnumDescriptor* BulkInsertType_descriptor() {
+  ::PROTOBUF_NAMESPACE_ID::internal::AssignDescriptors(&descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto);
+  return file_level_enum_descriptors_greptime_2fv1_2fregion_2fserver_2eproto[0];
+}
+bool BulkInsertType_IsValid(int value) {
+  switch (value) {
+    case 0:
+      return true;
+    default:
+      return false;
+  }
+}
+
 
 // ===================================================================
 
@@ -1242,6 +1311,7 @@ class RegionRequest::_Internal {
   static const ::greptime::v1::region::CreateRequests& creates(const RegionRequest* msg);
   static const ::greptime::v1::region::DropRequests& drops(const RegionRequest* msg);
   static const ::greptime::v1::region::AlterRequests& alters(const RegionRequest* msg);
+  static const ::greptime::v1::region::BulkInsertRequests& bulk_inserts(const RegionRequest* msg);
 };
 
 const ::greptime::v1::region::RegionRequestHeader&
@@ -1300,6 +1370,10 @@ const ::greptime::v1::region::AlterRequests&
 RegionRequest::_Internal::alters(const RegionRequest* msg) {
   return *msg->_impl_.body_.alters_;
 }
+const ::greptime::v1::region::BulkInsertRequests&
+RegionRequest::_Internal::bulk_inserts(const RegionRequest* msg) {
+  return *msg->_impl_.body_.bulk_inserts_;
+}
 void RegionRequest::set_allocated_inserts(::greptime::v1::region::InsertRequests* inserts) {
   ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
   clear_body();
@@ -1495,6 +1569,21 @@ void RegionRequest::set_allocated_alters(::greptime::v1::region::AlterRequests*
   }
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.region.RegionRequest.alters)
 }
+void RegionRequest::set_allocated_bulk_inserts(::greptime::v1::region::BulkInsertRequests* bulk_inserts) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  clear_body();
+  if (bulk_inserts) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+      ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(bulk_inserts);
+    if (message_arena != submessage_arena) {
+      bulk_inserts = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, bulk_inserts, submessage_arena);
+    }
+    set_has_bulk_inserts();
+    _impl_.body_.bulk_inserts_ = bulk_inserts;
+  }
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.region.RegionRequest.bulk_inserts)
+}
 RegionRequest::RegionRequest(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -1581,6 +1670,11 @@ RegionRequest::RegionRequest(const RegionRequest& from)
           from._internal_alters());
       break;
     }
+    case kBulkInserts: {
+      _this->_internal_mutable_bulk_inserts()->::greptime::v1::region::BulkInsertRequests::MergeFrom(
+          from._internal_bulk_inserts());
+      break;
+    }
     case BODY_NOT_SET: {
       break;
     }
@@ -1703,6 +1797,12 @@ void RegionRequest::clear_body() {
       }
       break;
     }
+    case kBulkInserts: {
+      if (GetArenaForAllocation() == nullptr) {
+        delete _impl_.body_.bulk_inserts_;
+      }
+      break;
+    }
     case BODY_NOT_SET: {
       break;
     }
@@ -1843,6 +1943,14 @@ const char* RegionRequest::_InternalParse(const char* ptr, ::_pbi::ParseContext*
         } else
           goto handle_unusual;
         continue;
+      // .greptime.v1.region.BulkInsertRequests bulk_inserts = 16;
+      case 16:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 130)) {
+          ptr = ctx->ParseMessage(_internal_mutable_bulk_inserts(), ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -1970,6 +2078,13 @@ uint8_t* RegionRequest::_InternalSerialize(
         _Internal::alters(this).GetCachedSize(), target, stream);
   }
 
+  // .greptime.v1.region.BulkInsertRequests bulk_inserts = 16;
+  if (_internal_has_bulk_inserts()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(16, _Internal::bulk_inserts(this),
+        _Internal::bulk_inserts(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);
@@ -2085,6 +2200,13 @@ size_t RegionRequest::ByteSizeLong() const {
           *_impl_.body_.alters_);
       break;
     }
+    // .greptime.v1.region.BulkInsertRequests bulk_inserts = 16;
+    case kBulkInserts: {
+      total_size += 2 +
+        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+          *_impl_.body_.bulk_inserts_);
+      break;
+    }
     case BODY_NOT_SET: {
       break;
     }
@@ -2177,6 +2299,11 @@ void RegionRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::
           from._internal_alters());
       break;
     }
+    case kBulkInserts: {
+      _this->_internal_mutable_bulk_inserts()->::greptime::v1::region::BulkInsertRequests::MergeFrom(
+          from._internal_bulk_inserts());
+      break;
+    }
     case BODY_NOT_SET: {
       break;
     }
@@ -8016,6 +8143,452 @@ void RegionColumnDef::InternalSwap(RegionColumnDef* other) {
       file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto[29]);
 }
 
+// ===================================================================
+
+class BulkInsertRequests::_Internal {
+ public:
+};
+
+BulkInsertRequests::BulkInsertRequests(::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.region.BulkInsertRequests)
+}
+BulkInsertRequests::BulkInsertRequests(const BulkInsertRequests& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  BulkInsertRequests* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.requests_){from._impl_.requests_}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.region.BulkInsertRequests)
+}
+
+inline void BulkInsertRequests::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.requests_){arena}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+}
+
+BulkInsertRequests::~BulkInsertRequests() {
+  // @@protoc_insertion_point(destructor:greptime.v1.region.BulkInsertRequests)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void BulkInsertRequests::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.requests_.~RepeatedPtrField();
+}
+
+void BulkInsertRequests::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void BulkInsertRequests::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.region.BulkInsertRequests)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.requests_.Clear();
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* BulkInsertRequests::_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) {
+      // repeated .greptime.v1.region.BulkInsertRequest requests = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
+          ptr -= 1;
+          do {
+            ptr += 1;
+            ptr = ctx->ParseMessage(_internal_add_requests(), ptr);
+            CHK_(ptr);
+            if (!ctx->DataAvailable(ptr)) break;
+          } while (::PROTOBUF_NAMESPACE_ID::internal::ExpectTag<10>(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* BulkInsertRequests::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.region.BulkInsertRequests)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .greptime.v1.region.BulkInsertRequest requests = 1;
+  for (unsigned i = 0,
+      n = static_cast<unsigned>(this->_internal_requests_size()); i < n; i++) {
+    const auto& repfield = this->_internal_requests(i);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        InternalWriteMessage(1, repfield, repfield.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.region.BulkInsertRequests)
+  return target;
+}
+
+size_t BulkInsertRequests::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.region.BulkInsertRequests)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // repeated .greptime.v1.region.BulkInsertRequest requests = 1;
+  total_size += 1UL * this->_internal_requests_size();
+  for (const auto& msg : this->_impl_.requests_) {
+    total_size +=
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData BulkInsertRequests::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    BulkInsertRequests::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*BulkInsertRequests::GetClassData() const { return &_class_data_; }
+
+
+void BulkInsertRequests::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<BulkInsertRequests*>(&to_msg);
+  auto& from = static_cast<const BulkInsertRequests&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.region.BulkInsertRequests)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  _this->_impl_.requests_.MergeFrom(from._impl_.requests_);
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void BulkInsertRequests::CopyFrom(const BulkInsertRequests& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.region.BulkInsertRequests)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool BulkInsertRequests::IsInitialized() const {
+  return true;
+}
+
+void BulkInsertRequests::InternalSwap(BulkInsertRequests* other) {
+  using std::swap;
+  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  _impl_.requests_.InternalSwap(&other->_impl_.requests_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata BulkInsertRequests::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_getter, &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto[30]);
+}
+
+// ===================================================================
+
+class BulkInsertRequest::_Internal {
+ public:
+};
+
+BulkInsertRequest::BulkInsertRequest(::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.region.BulkInsertRequest)
+}
+BulkInsertRequest::BulkInsertRequest(const BulkInsertRequest& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  BulkInsertRequest* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.payload_){}
+    , decltype(_impl_.region_id_){}
+    , decltype(_impl_.payload_type_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  _impl_.payload_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.payload_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_payload().empty()) {
+    _this->_impl_.payload_.Set(from._internal_payload(), 
+      _this->GetArenaForAllocation());
+  }
+  ::memcpy(&_impl_.region_id_, &from._impl_.region_id_,
+    static_cast<size_t>(reinterpret_cast<char*>(&_impl_.payload_type_) -
+    reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.payload_type_));
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.region.BulkInsertRequest)
+}
+
+inline void BulkInsertRequest::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.payload_){}
+    , decltype(_impl_.region_id_){uint64_t{0u}}
+    , decltype(_impl_.payload_type_){0}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+  _impl_.payload_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.payload_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+}
+
+BulkInsertRequest::~BulkInsertRequest() {
+  // @@protoc_insertion_point(destructor:greptime.v1.region.BulkInsertRequest)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void BulkInsertRequest::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.payload_.Destroy();
+}
+
+void BulkInsertRequest::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void BulkInsertRequest::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.region.BulkInsertRequest)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.payload_.ClearToEmpty();
+  ::memset(&_impl_.region_id_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&_impl_.payload_type_) -
+      reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.payload_type_));
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* BulkInsertRequest::_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) {
+      // uint64 region_id = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
+          _impl_.region_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      // .greptime.v1.region.BulkInsertType payload_type = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
+          uint64_t val = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+          _internal_set_payload_type(static_cast<::greptime::v1::region::BulkInsertType>(val));
+        } else
+          goto handle_unusual;
+        continue;
+      // bytes payload = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
+          auto str = _internal_mutable_payload();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      default:
+        goto handle_unusual;
+    }  // switch
+  handle_unusual:
+    if ((tag == 0) || ((tag & 7) == 4)) {
+      CHK_(ptr);
+      ctx->SetLastTag(tag);
+      goto message_done;
+    }
+    ptr = UnknownFieldParse(
+        tag,
+        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+        ptr, ctx);
+    CHK_(ptr != nullptr);
+  }  // while
+message_done:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto message_done;
+#undef CHK_
+}
+
+uint8_t* BulkInsertRequest::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.region.BulkInsertRequest)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // uint64 region_id = 1;
+  if (this->_internal_region_id() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteUInt64ToArray(1, this->_internal_region_id(), target);
+  }
+
+  // .greptime.v1.region.BulkInsertType payload_type = 2;
+  if (this->_internal_payload_type() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteEnumToArray(
+      2, this->_internal_payload_type(), target);
+  }
+
+  // bytes payload = 3;
+  if (!this->_internal_payload().empty()) {
+    target = stream->WriteBytesMaybeAliased(
+        3, this->_internal_payload(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.region.BulkInsertRequest)
+  return target;
+}
+
+size_t BulkInsertRequest::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.region.BulkInsertRequest)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // bytes payload = 3;
+  if (!this->_internal_payload().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::BytesSize(
+        this->_internal_payload());
+  }
+
+  // uint64 region_id = 1;
+  if (this->_internal_region_id() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_region_id());
+  }
+
+  // .greptime.v1.region.BulkInsertType payload_type = 2;
+  if (this->_internal_payload_type() != 0) {
+    total_size += 1 +
+      ::_pbi::WireFormatLite::EnumSize(this->_internal_payload_type());
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData BulkInsertRequest::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    BulkInsertRequest::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*BulkInsertRequest::GetClassData() const { return &_class_data_; }
+
+
+void BulkInsertRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<BulkInsertRequest*>(&to_msg);
+  auto& from = static_cast<const BulkInsertRequest&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.region.BulkInsertRequest)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (!from._internal_payload().empty()) {
+    _this->_internal_set_payload(from._internal_payload());
+  }
+  if (from._internal_region_id() != 0) {
+    _this->_internal_set_region_id(from._internal_region_id());
+  }
+  if (from._internal_payload_type() != 0) {
+    _this->_internal_set_payload_type(from._internal_payload_type());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void BulkInsertRequest::CopyFrom(const BulkInsertRequest& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.region.BulkInsertRequest)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool BulkInsertRequest::IsInitialized() const {
+  return true;
+}
+
+void BulkInsertRequest::InternalSwap(BulkInsertRequest* 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_.payload_, lhs_arena,
+      &other->_impl_.payload_, rhs_arena
+  );
+  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
+      PROTOBUF_FIELD_OFFSET(BulkInsertRequest, _impl_.payload_type_)
+      + sizeof(BulkInsertRequest::_impl_.payload_type_)
+      - PROTOBUF_FIELD_OFFSET(BulkInsertRequest, _impl_.region_id_)>(
+          reinterpret_cast<char*>(&_impl_.region_id_),
+          reinterpret_cast<char*>(&other->_impl_.region_id_));
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata BulkInsertRequest::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_getter, &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fregion_2fserver_2eproto[31]);
+}
+
 // @@protoc_insertion_point(namespace_scope)
 }  // namespace region
 }  // namespace v1
@@ -8141,6 +8714,14 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::region::RegionColumnDef*
 Arena::CreateMaybeMessage< ::greptime::v1::region::RegionColumnDef >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::region::RegionColumnDef >(arena);
 }
+template<> PROTOBUF_NOINLINE ::greptime::v1::region::BulkInsertRequests*
+Arena::CreateMaybeMessage< ::greptime::v1::region::BulkInsertRequests >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::region::BulkInsertRequests >(arena);
+}
+template<> PROTOBUF_NOINLINE ::greptime::v1::region::BulkInsertRequest*
+Arena::CreateMaybeMessage< ::greptime::v1::region::BulkInsertRequest >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::region::BulkInsertRequest >(arena);
+}
 PROTOBUF_NAMESPACE_CLOSE
 
 // @@protoc_insertion_point(global_scope)

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

@@ -33,6 +33,7 @@
 #include <google/protobuf/map.h>  // IWYU pragma: export
 #include <google/protobuf/map_entry.h>
 #include <google/protobuf/map_field_inl.h>
+#include <google/protobuf/generated_enum_reflection.h>
 #include <google/protobuf/unknown_field_set.h>
 #include "greptime/v1/common.pb.h"
 #include "greptime/v1/row.pb.h"
@@ -66,6 +67,12 @@ extern AlterRequestDefaultTypeInternal _AlterRequest_default_instance_;
 class AlterRequests;
 struct AlterRequestsDefaultTypeInternal;
 extern AlterRequestsDefaultTypeInternal _AlterRequests_default_instance_;
+class BulkInsertRequest;
+struct BulkInsertRequestDefaultTypeInternal;
+extern BulkInsertRequestDefaultTypeInternal _BulkInsertRequest_default_instance_;
+class BulkInsertRequests;
+struct BulkInsertRequestsDefaultTypeInternal;
+extern BulkInsertRequestsDefaultTypeInternal _BulkInsertRequests_default_instance_;
 class CloseRequest;
 struct CloseRequestDefaultTypeInternal;
 extern CloseRequestDefaultTypeInternal _CloseRequest_default_instance_;
@@ -152,6 +159,8 @@ template<> ::greptime::v1::region::AddColumn* Arena::CreateMaybeMessage<::grepti
 template<> ::greptime::v1::region::AddColumns* Arena::CreateMaybeMessage<::greptime::v1::region::AddColumns>(Arena*);
 template<> ::greptime::v1::region::AlterRequest* Arena::CreateMaybeMessage<::greptime::v1::region::AlterRequest>(Arena*);
 template<> ::greptime::v1::region::AlterRequests* Arena::CreateMaybeMessage<::greptime::v1::region::AlterRequests>(Arena*);
+template<> ::greptime::v1::region::BulkInsertRequest* Arena::CreateMaybeMessage<::greptime::v1::region::BulkInsertRequest>(Arena*);
+template<> ::greptime::v1::region::BulkInsertRequests* Arena::CreateMaybeMessage<::greptime::v1::region::BulkInsertRequests>(Arena*);
 template<> ::greptime::v1::region::CloseRequest* Arena::CreateMaybeMessage<::greptime::v1::region::CloseRequest>(Arena*);
 template<> ::greptime::v1::region::CompactRequest* Arena::CreateMaybeMessage<::greptime::v1::region::CompactRequest>(Arena*);
 template<> ::greptime::v1::region::CreateRequest* Arena::CreateMaybeMessage<::greptime::v1::region::CreateRequest>(Arena*);
@@ -183,6 +192,30 @@ namespace greptime {
 namespace v1 {
 namespace region {
 
+enum BulkInsertType : int {
+  ARROW_IPC = 0,
+  BulkInsertType_INT_MIN_SENTINEL_DO_NOT_USE_ = std::numeric_limits<int32_t>::min(),
+  BulkInsertType_INT_MAX_SENTINEL_DO_NOT_USE_ = std::numeric_limits<int32_t>::max()
+};
+bool BulkInsertType_IsValid(int value);
+constexpr BulkInsertType BulkInsertType_MIN = ARROW_IPC;
+constexpr BulkInsertType BulkInsertType_MAX = ARROW_IPC;
+constexpr int BulkInsertType_ARRAYSIZE = BulkInsertType_MAX + 1;
+
+const ::PROTOBUF_NAMESPACE_ID::EnumDescriptor* BulkInsertType_descriptor();
+template<typename T>
+inline const std::string& BulkInsertType_Name(T enum_t_value) {
+  static_assert(::std::is_same<T, BulkInsertType>::value ||
+    ::std::is_integral<T>::value,
+    "Incorrect type passed to function BulkInsertType_Name.");
+  return ::PROTOBUF_NAMESPACE_ID::internal::NameOfEnum(
+    BulkInsertType_descriptor(), enum_t_value);
+}
+inline bool BulkInsertType_Parse(
+    ::PROTOBUF_NAMESPACE_ID::ConstStringParam name, BulkInsertType* value) {
+  return ::PROTOBUF_NAMESPACE_ID::internal::ParseNamedEnum<BulkInsertType>(
+    BulkInsertType_descriptor(), name, value);
+}
 // ===================================================================
 
 class RegionRequestHeader_TracingContextEntry_DoNotUse : public ::PROTOBUF_NAMESPACE_ID::internal::MapEntry<RegionRequestHeader_TracingContextEntry_DoNotUse, 
@@ -469,6 +502,7 @@ class RegionRequest final :
     kCreates = 13,
     kDrops = 14,
     kAlters = 15,
+    kBulkInserts = 16,
     BODY_NOT_SET = 0,
   };
 
@@ -564,6 +598,7 @@ class RegionRequest final :
     kCreatesFieldNumber = 13,
     kDropsFieldNumber = 14,
     kAltersFieldNumber = 15,
+    kBulkInsertsFieldNumber = 16,
   };
   // .greptime.v1.region.RegionRequestHeader header = 1;
   bool has_header() const;
@@ -817,6 +852,24 @@ class RegionRequest final :
       ::greptime::v1::region::AlterRequests* alters);
   ::greptime::v1::region::AlterRequests* unsafe_arena_release_alters();
 
+  // .greptime.v1.region.BulkInsertRequests bulk_inserts = 16;
+  bool has_bulk_inserts() const;
+  private:
+  bool _internal_has_bulk_inserts() const;
+  public:
+  void clear_bulk_inserts();
+  const ::greptime::v1::region::BulkInsertRequests& bulk_inserts() const;
+  PROTOBUF_NODISCARD ::greptime::v1::region::BulkInsertRequests* release_bulk_inserts();
+  ::greptime::v1::region::BulkInsertRequests* mutable_bulk_inserts();
+  void set_allocated_bulk_inserts(::greptime::v1::region::BulkInsertRequests* bulk_inserts);
+  private:
+  const ::greptime::v1::region::BulkInsertRequests& _internal_bulk_inserts() const;
+  ::greptime::v1::region::BulkInsertRequests* _internal_mutable_bulk_inserts();
+  public:
+  void unsafe_arena_set_allocated_bulk_inserts(
+      ::greptime::v1::region::BulkInsertRequests* bulk_inserts);
+  ::greptime::v1::region::BulkInsertRequests* unsafe_arena_release_bulk_inserts();
+
   void clear_body();
   BodyCase body_case() const;
   // @@protoc_insertion_point(class_scope:greptime.v1.region.RegionRequest)
@@ -835,6 +888,7 @@ class RegionRequest final :
   void set_has_creates();
   void set_has_drops();
   void set_has_alters();
+  void set_has_bulk_inserts();
 
   inline bool has_body() const;
   inline void clear_has_body();
@@ -860,6 +914,7 @@ class RegionRequest final :
       ::greptime::v1::region::CreateRequests* creates_;
       ::greptime::v1::region::DropRequests* drops_;
       ::greptime::v1::region::AlterRequests* alters_;
+      ::greptime::v1::region::BulkInsertRequests* bulk_inserts_;
     } body_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
     uint32_t _oneof_case_[1];
@@ -5122,6 +5177,338 @@ class RegionColumnDef final :
   union { Impl_ _impl_; };
   friend struct ::TableStruct_greptime_2fv1_2fregion_2fserver_2eproto;
 };
+// -------------------------------------------------------------------
+
+class BulkInsertRequests final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.region.BulkInsertRequests) */ {
+ public:
+  inline BulkInsertRequests() : BulkInsertRequests(nullptr) {}
+  ~BulkInsertRequests() override;
+  explicit PROTOBUF_CONSTEXPR BulkInsertRequests(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  BulkInsertRequests(const BulkInsertRequests& from);
+  BulkInsertRequests(BulkInsertRequests&& from) noexcept
+    : BulkInsertRequests() {
+    *this = ::std::move(from);
+  }
+
+  inline BulkInsertRequests& operator=(const BulkInsertRequests& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline BulkInsertRequests& operator=(BulkInsertRequests&& 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 BulkInsertRequests& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const BulkInsertRequests* internal_default_instance() {
+    return reinterpret_cast<const BulkInsertRequests*>(
+               &_BulkInsertRequests_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    30;
+
+  friend void swap(BulkInsertRequests& a, BulkInsertRequests& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(BulkInsertRequests* 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(BulkInsertRequests* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  BulkInsertRequests* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<BulkInsertRequests>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const BulkInsertRequests& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const BulkInsertRequests& from) {
+    BulkInsertRequests::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(BulkInsertRequests* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.region.BulkInsertRequests";
+  }
+  protected:
+  explicit BulkInsertRequests(::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 {
+    kRequestsFieldNumber = 1,
+  };
+  // repeated .greptime.v1.region.BulkInsertRequest requests = 1;
+  int requests_size() const;
+  private:
+  int _internal_requests_size() const;
+  public:
+  void clear_requests();
+  ::greptime::v1::region::BulkInsertRequest* mutable_requests(int index);
+  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::region::BulkInsertRequest >*
+      mutable_requests();
+  private:
+  const ::greptime::v1::region::BulkInsertRequest& _internal_requests(int index) const;
+  ::greptime::v1::region::BulkInsertRequest* _internal_add_requests();
+  public:
+  const ::greptime::v1::region::BulkInsertRequest& requests(int index) const;
+  ::greptime::v1::region::BulkInsertRequest* add_requests();
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::region::BulkInsertRequest >&
+      requests() const;
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.region.BulkInsertRequests)
+ private:
+  class _Internal;
+
+  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  struct Impl_ {
+    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::region::BulkInsertRequest > requests_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fregion_2fserver_2eproto;
+};
+// -------------------------------------------------------------------
+
+class BulkInsertRequest final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.region.BulkInsertRequest) */ {
+ public:
+  inline BulkInsertRequest() : BulkInsertRequest(nullptr) {}
+  ~BulkInsertRequest() override;
+  explicit PROTOBUF_CONSTEXPR BulkInsertRequest(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  BulkInsertRequest(const BulkInsertRequest& from);
+  BulkInsertRequest(BulkInsertRequest&& from) noexcept
+    : BulkInsertRequest() {
+    *this = ::std::move(from);
+  }
+
+  inline BulkInsertRequest& operator=(const BulkInsertRequest& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline BulkInsertRequest& operator=(BulkInsertRequest&& 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 BulkInsertRequest& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const BulkInsertRequest* internal_default_instance() {
+    return reinterpret_cast<const BulkInsertRequest*>(
+               &_BulkInsertRequest_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    31;
+
+  friend void swap(BulkInsertRequest& a, BulkInsertRequest& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(BulkInsertRequest* 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(BulkInsertRequest* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  BulkInsertRequest* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<BulkInsertRequest>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const BulkInsertRequest& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const BulkInsertRequest& from) {
+    BulkInsertRequest::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(BulkInsertRequest* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.region.BulkInsertRequest";
+  }
+  protected:
+  explicit BulkInsertRequest(::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 {
+    kPayloadFieldNumber = 3,
+    kRegionIdFieldNumber = 1,
+    kPayloadTypeFieldNumber = 2,
+  };
+  // bytes payload = 3;
+  void clear_payload();
+  const std::string& payload() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_payload(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_payload();
+  PROTOBUF_NODISCARD std::string* release_payload();
+  void set_allocated_payload(std::string* payload);
+  private:
+  const std::string& _internal_payload() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_payload(const std::string& value);
+  std::string* _internal_mutable_payload();
+  public:
+
+  // uint64 region_id = 1;
+  void clear_region_id();
+  uint64_t region_id() const;
+  void set_region_id(uint64_t value);
+  private:
+  uint64_t _internal_region_id() const;
+  void _internal_set_region_id(uint64_t value);
+  public:
+
+  // .greptime.v1.region.BulkInsertType payload_type = 2;
+  void clear_payload_type();
+  ::greptime::v1::region::BulkInsertType payload_type() const;
+  void set_payload_type(::greptime::v1::region::BulkInsertType value);
+  private:
+  ::greptime::v1::region::BulkInsertType _internal_payload_type() const;
+  void _internal_set_payload_type(::greptime::v1::region::BulkInsertType value);
+  public:
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.region.BulkInsertRequest)
+ 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 payload_;
+    uint64_t region_id_;
+    int payload_type_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fregion_2fserver_2eproto;
+};
 // ===================================================================
 
 
@@ -6355,6 +6742,80 @@ inline ::greptime::v1::region::AlterRequests* RegionRequest::mutable_alters() {
   return _msg;
 }
 
+// .greptime.v1.region.BulkInsertRequests bulk_inserts = 16;
+inline bool RegionRequest::_internal_has_bulk_inserts() const {
+  return body_case() == kBulkInserts;
+}
+inline bool RegionRequest::has_bulk_inserts() const {
+  return _internal_has_bulk_inserts();
+}
+inline void RegionRequest::set_has_bulk_inserts() {
+  _impl_._oneof_case_[0] = kBulkInserts;
+}
+inline void RegionRequest::clear_bulk_inserts() {
+  if (_internal_has_bulk_inserts()) {
+    if (GetArenaForAllocation() == nullptr) {
+      delete _impl_.body_.bulk_inserts_;
+    }
+    clear_has_body();
+  }
+}
+inline ::greptime::v1::region::BulkInsertRequests* RegionRequest::release_bulk_inserts() {
+  // @@protoc_insertion_point(field_release:greptime.v1.region.RegionRequest.bulk_inserts)
+  if (_internal_has_bulk_inserts()) {
+    clear_has_body();
+    ::greptime::v1::region::BulkInsertRequests* temp = _impl_.body_.bulk_inserts_;
+    if (GetArenaForAllocation() != nullptr) {
+      temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+    }
+    _impl_.body_.bulk_inserts_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline const ::greptime::v1::region::BulkInsertRequests& RegionRequest::_internal_bulk_inserts() const {
+  return _internal_has_bulk_inserts()
+      ? *_impl_.body_.bulk_inserts_
+      : reinterpret_cast< ::greptime::v1::region::BulkInsertRequests&>(::greptime::v1::region::_BulkInsertRequests_default_instance_);
+}
+inline const ::greptime::v1::region::BulkInsertRequests& RegionRequest::bulk_inserts() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.RegionRequest.bulk_inserts)
+  return _internal_bulk_inserts();
+}
+inline ::greptime::v1::region::BulkInsertRequests* RegionRequest::unsafe_arena_release_bulk_inserts() {
+  // @@protoc_insertion_point(field_unsafe_arena_release:greptime.v1.region.RegionRequest.bulk_inserts)
+  if (_internal_has_bulk_inserts()) {
+    clear_has_body();
+    ::greptime::v1::region::BulkInsertRequests* temp = _impl_.body_.bulk_inserts_;
+    _impl_.body_.bulk_inserts_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline void RegionRequest::unsafe_arena_set_allocated_bulk_inserts(::greptime::v1::region::BulkInsertRequests* bulk_inserts) {
+  clear_body();
+  if (bulk_inserts) {
+    set_has_bulk_inserts();
+    _impl_.body_.bulk_inserts_ = bulk_inserts;
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.region.RegionRequest.bulk_inserts)
+}
+inline ::greptime::v1::region::BulkInsertRequests* RegionRequest::_internal_mutable_bulk_inserts() {
+  if (!_internal_has_bulk_inserts()) {
+    clear_body();
+    set_has_bulk_inserts();
+    _impl_.body_.bulk_inserts_ = CreateMaybeMessage< ::greptime::v1::region::BulkInsertRequests >(GetArenaForAllocation());
+  }
+  return _impl_.body_.bulk_inserts_;
+}
+inline ::greptime::v1::region::BulkInsertRequests* RegionRequest::mutable_bulk_inserts() {
+  ::greptime::v1::region::BulkInsertRequests* _msg = _internal_mutable_bulk_inserts();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.region.RegionRequest.bulk_inserts)
+  return _msg;
+}
+
 inline bool RegionRequest::has_body() const {
   return body_case() != BODY_NOT_SET;
 }
@@ -8789,6 +9250,144 @@ inline void RegionColumnDef::set_column_id(uint32_t value) {
   // @@protoc_insertion_point(field_set:greptime.v1.region.RegionColumnDef.column_id)
 }
 
+// -------------------------------------------------------------------
+
+// BulkInsertRequests
+
+// repeated .greptime.v1.region.BulkInsertRequest requests = 1;
+inline int BulkInsertRequests::_internal_requests_size() const {
+  return _impl_.requests_.size();
+}
+inline int BulkInsertRequests::requests_size() const {
+  return _internal_requests_size();
+}
+inline void BulkInsertRequests::clear_requests() {
+  _impl_.requests_.Clear();
+}
+inline ::greptime::v1::region::BulkInsertRequest* BulkInsertRequests::mutable_requests(int index) {
+  // @@protoc_insertion_point(field_mutable:greptime.v1.region.BulkInsertRequests.requests)
+  return _impl_.requests_.Mutable(index);
+}
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::region::BulkInsertRequest >*
+BulkInsertRequests::mutable_requests() {
+  // @@protoc_insertion_point(field_mutable_list:greptime.v1.region.BulkInsertRequests.requests)
+  return &_impl_.requests_;
+}
+inline const ::greptime::v1::region::BulkInsertRequest& BulkInsertRequests::_internal_requests(int index) const {
+  return _impl_.requests_.Get(index);
+}
+inline const ::greptime::v1::region::BulkInsertRequest& BulkInsertRequests::requests(int index) const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.BulkInsertRequests.requests)
+  return _internal_requests(index);
+}
+inline ::greptime::v1::region::BulkInsertRequest* BulkInsertRequests::_internal_add_requests() {
+  return _impl_.requests_.Add();
+}
+inline ::greptime::v1::region::BulkInsertRequest* BulkInsertRequests::add_requests() {
+  ::greptime::v1::region::BulkInsertRequest* _add = _internal_add_requests();
+  // @@protoc_insertion_point(field_add:greptime.v1.region.BulkInsertRequests.requests)
+  return _add;
+}
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::region::BulkInsertRequest >&
+BulkInsertRequests::requests() const {
+  // @@protoc_insertion_point(field_list:greptime.v1.region.BulkInsertRequests.requests)
+  return _impl_.requests_;
+}
+
+// -------------------------------------------------------------------
+
+// BulkInsertRequest
+
+// uint64 region_id = 1;
+inline void BulkInsertRequest::clear_region_id() {
+  _impl_.region_id_ = uint64_t{0u};
+}
+inline uint64_t BulkInsertRequest::_internal_region_id() const {
+  return _impl_.region_id_;
+}
+inline uint64_t BulkInsertRequest::region_id() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.BulkInsertRequest.region_id)
+  return _internal_region_id();
+}
+inline void BulkInsertRequest::_internal_set_region_id(uint64_t value) {
+  
+  _impl_.region_id_ = value;
+}
+inline void BulkInsertRequest::set_region_id(uint64_t value) {
+  _internal_set_region_id(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.region.BulkInsertRequest.region_id)
+}
+
+// .greptime.v1.region.BulkInsertType payload_type = 2;
+inline void BulkInsertRequest::clear_payload_type() {
+  _impl_.payload_type_ = 0;
+}
+inline ::greptime::v1::region::BulkInsertType BulkInsertRequest::_internal_payload_type() const {
+  return static_cast< ::greptime::v1::region::BulkInsertType >(_impl_.payload_type_);
+}
+inline ::greptime::v1::region::BulkInsertType BulkInsertRequest::payload_type() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.BulkInsertRequest.payload_type)
+  return _internal_payload_type();
+}
+inline void BulkInsertRequest::_internal_set_payload_type(::greptime::v1::region::BulkInsertType value) {
+  
+  _impl_.payload_type_ = value;
+}
+inline void BulkInsertRequest::set_payload_type(::greptime::v1::region::BulkInsertType value) {
+  _internal_set_payload_type(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.region.BulkInsertRequest.payload_type)
+}
+
+// bytes payload = 3;
+inline void BulkInsertRequest::clear_payload() {
+  _impl_.payload_.ClearToEmpty();
+}
+inline const std::string& BulkInsertRequest::payload() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.BulkInsertRequest.payload)
+  return _internal_payload();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void BulkInsertRequest::set_payload(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.payload_.SetBytes(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:greptime.v1.region.BulkInsertRequest.payload)
+}
+inline std::string* BulkInsertRequest::mutable_payload() {
+  std::string* _s = _internal_mutable_payload();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.region.BulkInsertRequest.payload)
+  return _s;
+}
+inline const std::string& BulkInsertRequest::_internal_payload() const {
+  return _impl_.payload_.Get();
+}
+inline void BulkInsertRequest::_internal_set_payload(const std::string& value) {
+  
+  _impl_.payload_.Set(value, GetArenaForAllocation());
+}
+inline std::string* BulkInsertRequest::_internal_mutable_payload() {
+  
+  return _impl_.payload_.Mutable(GetArenaForAllocation());
+}
+inline std::string* BulkInsertRequest::release_payload() {
+  // @@protoc_insertion_point(field_release:greptime.v1.region.BulkInsertRequest.payload)
+  return _impl_.payload_.Release();
+}
+inline void BulkInsertRequest::set_allocated_payload(std::string* payload) {
+  if (payload != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.payload_.SetAllocated(payload, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.payload_.IsDefault()) {
+    _impl_.payload_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.region.BulkInsertRequest.payload)
+}
+
 #ifdef __GNUC__
   #pragma GCC diagnostic pop
 #endif  // __GNUC__
@@ -8850,6 +9449,10 @@ inline void RegionColumnDef::set_column_id(uint32_t value) {
 
 // -------------------------------------------------------------------
 
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
 
 // @@protoc_insertion_point(namespace_scope)
 
@@ -8857,6 +9460,16 @@ inline void RegionColumnDef::set_column_id(uint32_t value) {
 }  // namespace v1
 }  // namespace greptime
 
+PROTOBUF_NAMESPACE_OPEN
+
+template <> struct is_proto_enum< ::greptime::v1::region::BulkInsertType> : ::std::true_type {};
+template <>
+inline const EnumDescriptor* GetEnumDescriptor< ::greptime::v1::region::BulkInsertType>() {
+  return ::greptime::v1::region::BulkInsertType_descriptor();
+}
+
+PROTOBUF_NAMESPACE_CLOSE
+
 // @@protoc_insertion_point(global_scope)
 
 #include <google/protobuf/port_undef.inc>

proto/greptime/v1/region/server.proto

@@ -53,6 +53,7 @@ message RegionRequest {
     CreateRequests creates = 13;
     DropRequests drops = 14;
     AlterRequests alters = 15;
+    BulkInsertRequests bulk_inserts = 16;
   }
 }
 
@@ -182,3 +183,16 @@ message RegionColumnDef {
   ColumnDef column_def = 1;
   uint32 column_id = 2;
 }
+
+// Request of bulk ingestion API.
+message BulkInsertRequests { repeated BulkInsertRequest requests = 1; }
+
+enum BulkInsertType {
+  ARROW_IPC = 0;
+}
+
+message BulkInsertRequest {
+  uint64 region_id = 1;
+  BulkInsertType payload_type = 2;
+  bytes payload = 3;
+}