feat: add ddl task service (#53)

* feat: add ddl task service

* chore: apply suggestions from CR

* chore: add path to build.rs

build.rs

@@ -29,6 +29,7 @@ fn main() {
                 "proto/greptime/v1/meta/common.proto",
                 "proto/greptime/v1/meta/heartbeat.proto",
                 "proto/greptime/v1/meta/route.proto",
+                "proto/greptime/v1/meta/ddl.proto",
                 "proto/greptime/v1/meta/store.proto",
                 "proto/greptime/v1/meta/lock.proto",
                 "proto/greptime/v1/meta/cluster.proto",

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

@@ -0,0 +1,518 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.6
+// source: greptime/v1/meta/ddl.proto
+
+package meta
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type DdlTaskType int32
+
+const (
+	DdlTaskType_Create DdlTaskType = 0
+)
+
+// Enum value maps for DdlTaskType.
+var (
+	DdlTaskType_name = map[int32]string{
+		0: "Create",
+	}
+	DdlTaskType_value = map[string]int32{
+		"Create": 0,
+	}
+)
+
+func (x DdlTaskType) Enum() *DdlTaskType {
+	p := new(DdlTaskType)
+	*p = x
+	return p
+}
+
+func (x DdlTaskType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (DdlTaskType) Descriptor() protoreflect.EnumDescriptor {
+	return file_greptime_v1_meta_ddl_proto_enumTypes[0].Descriptor()
+}
+
+func (DdlTaskType) Type() protoreflect.EnumType {
+	return &file_greptime_v1_meta_ddl_proto_enumTypes[0]
+}
+
+func (x DdlTaskType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use DdlTaskType.Descriptor instead.
+func (DdlTaskType) EnumDescriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{0}
+}
+
+type Status int32
+
+const (
+	Status_Done      Status = 0
+	Status_Failed    Status = 1
+	Status_Cancelled Status = 2
+)
+
+// Enum value maps for Status.
+var (
+	Status_name = map[int32]string{
+		0: "Done",
+		1: "Failed",
+		2: "Cancelled",
+	}
+	Status_value = map[string]int32{
+		"Done":      0,
+		"Failed":    1,
+		"Cancelled": 2,
+	}
+)
+
+func (x Status) Enum() *Status {
+	p := new(Status)
+	*p = x
+	return p
+}
+
+func (x Status) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Status) Descriptor() protoreflect.EnumDescriptor {
+	return file_greptime_v1_meta_ddl_proto_enumTypes[1].Descriptor()
+}
+
+func (Status) Type() protoreflect.EnumType {
+	return &file_greptime_v1_meta_ddl_proto_enumTypes[1]
+}
+
+func (x Status) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Status.Descriptor instead.
+func (Status) EnumDescriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{1}
+}
+
+type Task struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Type DdlTaskType `protobuf:"varint,1,opt,name=type,proto3,enum=greptime.v1.meta.DdlTaskType" json:"type,omitempty"`
+	// Types that are assignable to Payload:
+	//
+	//	*Task_Pd
+	Payload isTask_Payload `protobuf_oneof:"payload"`
+}
+
+func (x *Task) Reset() {
+	*x = Task{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Task) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Task) ProtoMessage() {}
+
+func (x *Task) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[0]
+	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 Task.ProtoReflect.Descriptor instead.
+func (*Task) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Task) GetType() DdlTaskType {
+	if x != nil {
+		return x.Type
+	}
+	return DdlTaskType_Create
+}
+
+func (m *Task) GetPayload() isTask_Payload {
+	if m != nil {
+		return m.Payload
+	}
+	return nil
+}
+
+func (x *Task) GetPd() []byte {
+	if x, ok := x.GetPayload().(*Task_Pd); ok {
+		return x.Pd
+	}
+	return nil
+}
+
+type isTask_Payload interface {
+	isTask_Payload()
+}
+
+type Task_Pd struct {
+	Pd []byte `protobuf:"bytes,2,opt,name=pd,proto3,oneof"`
+}
+
+func (*Task_Pd) isTask_Payload() {}
+
+type SubmitDdlTaskRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Header *RequestHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	// The following information plays a bigger role in making messages traceable
+	// and facilitating debugging.
+	Subject string `protobuf:"bytes,2,opt,name=subject,proto3" json:"subject,omitempty"`
+	From    string `protobuf:"bytes,3,opt,name=from,proto3" json:"from,omitempty"`
+	To      string `protobuf:"bytes,4,opt,name=to,proto3" json:"to,omitempty"`
+	// The unix timestamp in milliseconds.
+	TimestampMillis int64 `protobuf:"varint,5,opt,name=timestamp_millis,json=timestampMillis,proto3" json:"timestamp_millis,omitempty"`
+	Task            *Task `protobuf:"bytes,6,opt,name=task,proto3" json:"task,omitempty"`
+}
+
+func (x *SubmitDdlTaskRequest) Reset() {
+	*x = SubmitDdlTaskRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitDdlTaskRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitDdlTaskRequest) ProtoMessage() {}
+
+func (x *SubmitDdlTaskRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[1]
+	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 SubmitDdlTaskRequest.ProtoReflect.Descriptor instead.
+func (*SubmitDdlTaskRequest) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SubmitDdlTaskRequest) GetHeader() *RequestHeader {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+func (x *SubmitDdlTaskRequest) GetSubject() string {
+	if x != nil {
+		return x.Subject
+	}
+	return ""
+}
+
+func (x *SubmitDdlTaskRequest) GetFrom() string {
+	if x != nil {
+		return x.From
+	}
+	return ""
+}
+
+func (x *SubmitDdlTaskRequest) GetTo() string {
+	if x != nil {
+		return x.To
+	}
+	return ""
+}
+
+func (x *SubmitDdlTaskRequest) GetTimestampMillis() int64 {
+	if x != nil {
+		return x.TimestampMillis
+	}
+	return 0
+}
+
+func (x *SubmitDdlTaskRequest) GetTask() *Task {
+	if x != nil {
+		return x.Task
+	}
+	return nil
+}
+
+type SubmitDdlTaskResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	// Key is the identifier for the ddl task.
+	Key    []byte `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	Status Status `protobuf:"varint,3,opt,name=status,proto3,enum=greptime.v1.meta.Status" json:"status,omitempty"`
+}
+
+func (x *SubmitDdlTaskResponse) Reset() {
+	*x = SubmitDdlTaskResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_meta_ddl_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitDdlTaskResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitDdlTaskResponse) ProtoMessage() {}
+
+func (x *SubmitDdlTaskResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_meta_ddl_proto_msgTypes[2]
+	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 SubmitDdlTaskResponse.ProtoReflect.Descriptor instead.
+func (*SubmitDdlTaskResponse) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_ddl_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SubmitDdlTaskResponse) GetHeader() *ResponseHeader {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+func (x *SubmitDdlTaskResponse) GetKey() []byte {
+	if x != nil {
+		return x.Key
+	}
+	return nil
+}
+
+func (x *SubmitDdlTaskResponse) GetStatus() Status {
+	if x != nil {
+		return x.Status
+	}
+	return Status_Done
+}
+
+var File_greptime_v1_meta_ddl_proto protoreflect.FileDescriptor
+
+var file_greptime_v1_meta_ddl_proto_rawDesc = []byte{
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+	0x33,
+}
+
+var (
+	file_greptime_v1_meta_ddl_proto_rawDescOnce sync.Once
+	file_greptime_v1_meta_ddl_proto_rawDescData = file_greptime_v1_meta_ddl_proto_rawDesc
+)
+
+func file_greptime_v1_meta_ddl_proto_rawDescGZIP() []byte {
+	file_greptime_v1_meta_ddl_proto_rawDescOnce.Do(func() {
+		file_greptime_v1_meta_ddl_proto_rawDescData = protoimpl.X.CompressGZIP(file_greptime_v1_meta_ddl_proto_rawDescData)
+	})
+	return file_greptime_v1_meta_ddl_proto_rawDescData
+}
+
+var file_greptime_v1_meta_ddl_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_greptime_v1_meta_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_greptime_v1_meta_ddl_proto_goTypes = []interface{}{
+	(DdlTaskType)(0),              // 0: greptime.v1.meta.DdlTaskType
+	(Status)(0),                   // 1: greptime.v1.meta.Status
+	(*Task)(nil),                  // 2: greptime.v1.meta.Task
+	(*SubmitDdlTaskRequest)(nil),  // 3: greptime.v1.meta.SubmitDdlTaskRequest
+	(*SubmitDdlTaskResponse)(nil), // 4: greptime.v1.meta.SubmitDdlTaskResponse
+	(*RequestHeader)(nil),         // 5: greptime.v1.meta.RequestHeader
+	(*ResponseHeader)(nil),        // 6: greptime.v1.meta.ResponseHeader
+}
+var file_greptime_v1_meta_ddl_proto_depIdxs = []int32{
+	0, // 0: greptime.v1.meta.Task.type:type_name -> greptime.v1.meta.DdlTaskType
+	5, // 1: greptime.v1.meta.SubmitDdlTaskRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	2, // 2: greptime.v1.meta.SubmitDdlTaskRequest.task:type_name -> greptime.v1.meta.Task
+	6, // 3: greptime.v1.meta.SubmitDdlTaskResponse.header:type_name -> greptime.v1.meta.ResponseHeader
+	1, // 4: greptime.v1.meta.SubmitDdlTaskResponse.status:type_name -> greptime.v1.meta.Status
+	3, // 5: greptime.v1.meta.DdlTask.SubmitDdlTask:input_type -> greptime.v1.meta.SubmitDdlTaskRequest
+	4, // 6: greptime.v1.meta.DdlTask.SubmitDdlTask:output_type -> greptime.v1.meta.SubmitDdlTaskResponse
+	6, // [6:7] is the sub-list for method output_type
+	5, // [5:6] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
+}
+
+func init() { file_greptime_v1_meta_ddl_proto_init() }
+func file_greptime_v1_meta_ddl_proto_init() {
+	if File_greptime_v1_meta_ddl_proto != nil {
+		return
+	}
+	file_greptime_v1_meta_common_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_greptime_v1_meta_ddl_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Task); 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[1].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[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubmitDdlTaskResponse); 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[0].OneofWrappers = []interface{}{
+		(*Task_Pd)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_greptime_v1_meta_ddl_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_greptime_v1_meta_ddl_proto_goTypes,
+		DependencyIndexes: file_greptime_v1_meta_ddl_proto_depIdxs,
+		EnumInfos:         file_greptime_v1_meta_ddl_proto_enumTypes,
+		MessageInfos:      file_greptime_v1_meta_ddl_proto_msgTypes,
+	}.Build()
+	File_greptime_v1_meta_ddl_proto = out.File
+	file_greptime_v1_meta_ddl_proto_rawDesc = nil
+	file_greptime_v1_meta_ddl_proto_goTypes = nil
+	file_greptime_v1_meta_ddl_proto_depIdxs = nil
+}

go/greptime/v1/meta/ddl_grpc.pb.go

@@ -0,0 +1,107 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.6
+// source: greptime/v1/meta/ddl.proto
+
+package meta
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// DdlTaskClient is the client API for DdlTask service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type DdlTaskClient interface {
+	// Submits a DDL task to meta.
+	SubmitDdlTask(ctx context.Context, in *SubmitDdlTaskRequest, opts ...grpc.CallOption) (*SubmitDdlTaskResponse, error)
+}
+
+type ddlTaskClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewDdlTaskClient(cc grpc.ClientConnInterface) DdlTaskClient {
+	return &ddlTaskClient{cc}
+}
+
+func (c *ddlTaskClient) SubmitDdlTask(ctx context.Context, in *SubmitDdlTaskRequest, opts ...grpc.CallOption) (*SubmitDdlTaskResponse, error) {
+	out := new(SubmitDdlTaskResponse)
+	err := c.cc.Invoke(ctx, "/greptime.v1.meta.DdlTask/SubmitDdlTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// DdlTaskServer is the server API for DdlTask service.
+// All implementations must embed UnimplementedDdlTaskServer
+// for forward compatibility
+type DdlTaskServer interface {
+	// Submits a DDL task to meta.
+	SubmitDdlTask(context.Context, *SubmitDdlTaskRequest) (*SubmitDdlTaskResponse, error)
+	mustEmbedUnimplementedDdlTaskServer()
+}
+
+// UnimplementedDdlTaskServer must be embedded to have forward compatible implementations.
+type UnimplementedDdlTaskServer struct {
+}
+
+func (UnimplementedDdlTaskServer) SubmitDdlTask(context.Context, *SubmitDdlTaskRequest) (*SubmitDdlTaskResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SubmitDdlTask not implemented")
+}
+func (UnimplementedDdlTaskServer) mustEmbedUnimplementedDdlTaskServer() {}
+
+// UnsafeDdlTaskServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to DdlTaskServer will
+// result in compilation errors.
+type UnsafeDdlTaskServer interface {
+	mustEmbedUnimplementedDdlTaskServer()
+}
+
+func RegisterDdlTaskServer(s grpc.ServiceRegistrar, srv DdlTaskServer) {
+	s.RegisterService(&DdlTask_ServiceDesc, srv)
+}
+
+func _DdlTask_SubmitDdlTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SubmitDdlTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DdlTaskServer).SubmitDdlTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/greptime.v1.meta.DdlTask/SubmitDdlTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DdlTaskServer).SubmitDdlTask(ctx, req.(*SubmitDdlTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// DdlTask_ServiceDesc is the grpc.ServiceDesc for DdlTask service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var DdlTask_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "greptime.v1.meta.DdlTask",
+	HandlerType: (*DdlTaskServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "SubmitDdlTask",
+			Handler:    _DdlTask_SubmitDdlTask_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "greptime/v1/meta/ddl.proto",
+}

go/greptime/v1/meta/route.pb.go

@@ -34,77 +34,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type CreateRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Header     *RequestHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
-	TableName  *TableName     `protobuf:"bytes,2,opt,name=table_name,json=tableName,proto3" json:"table_name,omitempty"`
-	Partitions []*Partition   `protobuf:"bytes,3,rep,name=partitions,proto3" json:"partitions,omitempty"`
-	TableInfo  []byte         `protobuf:"bytes,4,opt,name=table_info,json=tableInfo,proto3" json:"table_info,omitempty"`
-}
-
-func (x *CreateRequest) Reset() {
-	*x = CreateRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *CreateRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*CreateRequest) ProtoMessage() {}
-
-func (x *CreateRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[0]
-	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 CreateRequest.ProtoReflect.Descriptor instead.
-func (*CreateRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *CreateRequest) GetHeader() *RequestHeader {
-	if x != nil {
-		return x.Header
-	}
-	return nil
-}
-
-func (x *CreateRequest) GetTableName() *TableName {
-	if x != nil {
-		return x.TableName
-	}
-	return nil
-}
-
-func (x *CreateRequest) GetPartitions() []*Partition {
-	if x != nil {
-		return x.Partitions
-	}
-	return nil
-}
-
-func (x *CreateRequest) GetTableInfo() []byte {
-	if x != nil {
-		return x.TableInfo
-	}
-	return nil
-}
-
 type RouteRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -117,7 +46,7 @@ type RouteRequest struct {
 func (x *RouteRequest) Reset() {
 	*x = RouteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[1]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -130,7 +59,7 @@ func (x *RouteRequest) String() string {
 func (*RouteRequest) ProtoMessage() {}
 
 func (x *RouteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[1]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -143,7 +72,7 @@ func (x *RouteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RouteRequest.ProtoReflect.Descriptor instead.
 func (*RouteRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{1}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *RouteRequest) GetHeader() *RequestHeader {
@@ -172,7 +101,7 @@ type DeleteRequest struct {
 func (x *DeleteRequest) Reset() {
 	*x = DeleteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[2]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -185,7 +114,7 @@ func (x *DeleteRequest) String() string {
 func (*DeleteRequest) ProtoMessage() {}
 
 func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[2]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -198,7 +127,7 @@ func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteRequest.ProtoReflect.Descriptor instead.
 func (*DeleteRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{2}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *DeleteRequest) GetHeader() *RequestHeader {
@@ -228,7 +157,7 @@ type RouteResponse struct {
 func (x *RouteResponse) Reset() {
 	*x = RouteResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[3]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -241,7 +170,7 @@ func (x *RouteResponse) String() string {
 func (*RouteResponse) ProtoMessage() {}
 
 func (x *RouteResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[3]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -254,7 +183,7 @@ func (x *RouteResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RouteResponse.ProtoReflect.Descriptor instead.
 func (*RouteResponse) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{3}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *RouteResponse) GetHeader() *ResponseHeader {
@@ -290,7 +219,7 @@ type TableRoute struct {
 func (x *TableRoute) Reset() {
 	*x = TableRoute{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[4]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -303,7 +232,7 @@ func (x *TableRoute) String() string {
 func (*TableRoute) ProtoMessage() {}
 
 func (x *TableRoute) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[4]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -316,7 +245,7 @@ func (x *TableRoute) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TableRoute.ProtoReflect.Descriptor instead.
 func (*TableRoute) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{4}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *TableRoute) GetTable() *Table {
@@ -348,7 +277,7 @@ type RegionRoute struct {
 func (x *RegionRoute) Reset() {
 	*x = RegionRoute{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[5]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -361,7 +290,7 @@ func (x *RegionRoute) String() string {
 func (*RegionRoute) ProtoMessage() {}
 
 func (x *RegionRoute) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[5]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -374,7 +303,7 @@ func (x *RegionRoute) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RegionRoute.ProtoReflect.Descriptor instead.
 func (*RegionRoute) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{5}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *RegionRoute) GetRegion() *Region {
@@ -411,7 +340,7 @@ type Table struct {
 func (x *Table) Reset() {
 	*x = Table{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[6]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -424,7 +353,7 @@ func (x *Table) String() string {
 func (*Table) ProtoMessage() {}
 
 func (x *Table) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[6]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -437,7 +366,7 @@ func (x *Table) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Table.ProtoReflect.Descriptor instead.
 func (*Table) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{6}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *Table) GetId() uint64 {
@@ -476,7 +405,7 @@ type Region struct {
 func (x *Region) Reset() {
 	*x = Region{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[7]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -489,7 +418,7 @@ func (x *Region) String() string {
 func (*Region) ProtoMessage() {}
 
 func (x *Region) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[7]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -502,7 +431,7 @@ func (x *Region) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Region.ProtoReflect.Descriptor instead.
 func (*Region) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{7}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Region) GetId() uint64 {
@@ -546,7 +475,7 @@ type Partition struct {
 func (x *Partition) Reset() {
 	*x = Partition{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[8]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -559,7 +488,7 @@ func (x *Partition) String() string {
 func (*Partition) ProtoMessage() {}
 
 func (x *Partition) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[8]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -572,7 +501,7 @@ func (x *Partition) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Partition.ProtoReflect.Descriptor instead.
 func (*Partition) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{8}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *Partition) GetColumnList() [][]byte {
@@ -602,7 +531,7 @@ type TableRouteValue struct {
 func (x *TableRouteValue) Reset() {
 	*x = TableRouteValue{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_route_proto_msgTypes[9]
+		mi := &file_greptime_v1_meta_route_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -615,7 +544,7 @@ func (x *TableRouteValue) String() string {
 func (*TableRouteValue) ProtoMessage() {}
 
 func (x *TableRouteValue) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_route_proto_msgTypes[9]
+	mi := &file_greptime_v1_meta_route_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -628,7 +557,7 @@ func (x *TableRouteValue) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TableRouteValue.ProtoReflect.Descriptor instead.
 func (*TableRouteValue) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{9}
+	return file_greptime_v1_meta_route_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *TableRouteValue) GetPeers() []*Peer {
@@ -653,121 +582,102 @@ var file_greptime_v1_meta_route_proto_rawDesc = []byte{
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 }
 
 var (
@@ -782,54 +692,48 @@ func file_greptime_v1_meta_route_proto_rawDescGZIP() []byte {
 	return file_greptime_v1_meta_route_proto_rawDescData
 }
 
-var file_greptime_v1_meta_route_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_greptime_v1_meta_route_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
 var file_greptime_v1_meta_route_proto_goTypes = []interface{}{
-	(*CreateRequest)(nil),   // 0: greptime.v1.meta.CreateRequest
+	(*RouteRequest)(nil),    // 0: greptime.v1.meta.RouteRequest
-	(*RouteRequest)(nil),    // 1: greptime.v1.meta.RouteRequest
+	(*DeleteRequest)(nil),   // 1: greptime.v1.meta.DeleteRequest
-	(*DeleteRequest)(nil),   // 2: greptime.v1.meta.DeleteRequest
+	(*RouteResponse)(nil),   // 2: greptime.v1.meta.RouteResponse
-	(*RouteResponse)(nil),   // 3: greptime.v1.meta.RouteResponse
+	(*TableRoute)(nil),      // 3: greptime.v1.meta.TableRoute
-	(*TableRoute)(nil),      // 4: greptime.v1.meta.TableRoute
+	(*RegionRoute)(nil),     // 4: greptime.v1.meta.RegionRoute
-	(*RegionRoute)(nil),     // 5: greptime.v1.meta.RegionRoute
+	(*Table)(nil),           // 5: greptime.v1.meta.Table
-	(*Table)(nil),           // 6: greptime.v1.meta.Table
+	(*Region)(nil),          // 6: greptime.v1.meta.Region
-	(*Region)(nil),          // 7: greptime.v1.meta.Region
+	(*Partition)(nil),       // 7: greptime.v1.meta.Partition
-	(*Partition)(nil),       // 8: greptime.v1.meta.Partition
+	(*TableRouteValue)(nil), // 8: greptime.v1.meta.TableRouteValue
-	(*TableRouteValue)(nil), // 9: greptime.v1.meta.TableRouteValue
+	nil,                     // 9: greptime.v1.meta.Region.AttrsEntry
-	nil,                     // 10: greptime.v1.meta.Region.AttrsEntry
+	(*RequestHeader)(nil),   // 10: greptime.v1.meta.RequestHeader
-	(*RequestHeader)(nil),   // 11: greptime.v1.meta.RequestHeader
+	(*TableName)(nil),       // 11: greptime.v1.meta.TableName
-	(*TableName)(nil),       // 12: greptime.v1.meta.TableName
+	(*ResponseHeader)(nil),  // 12: greptime.v1.meta.ResponseHeader
-	(*ResponseHeader)(nil),  // 13: greptime.v1.meta.ResponseHeader
+	(*Peer)(nil),            // 13: greptime.v1.meta.Peer
-	(*Peer)(nil),            // 14: greptime.v1.meta.Peer
 }
 var file_greptime_v1_meta_route_proto_depIdxs = []int32{
-	11, // 0: greptime.v1.meta.CreateRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	10, // 0: greptime.v1.meta.RouteRequest.header:type_name -> greptime.v1.meta.RequestHeader
-	12, // 1: greptime.v1.meta.CreateRequest.table_name:type_name -> greptime.v1.meta.TableName
+	11, // 1: greptime.v1.meta.RouteRequest.table_names:type_name -> greptime.v1.meta.TableName
-	8,  // 2: greptime.v1.meta.CreateRequest.partitions:type_name -> greptime.v1.meta.Partition
+	10, // 2: greptime.v1.meta.DeleteRequest.header:type_name -> greptime.v1.meta.RequestHeader
-	11, // 3: greptime.v1.meta.RouteRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	11, // 3: greptime.v1.meta.DeleteRequest.table_name:type_name -> greptime.v1.meta.TableName
-	12, // 4: greptime.v1.meta.RouteRequest.table_names:type_name -> greptime.v1.meta.TableName
+	12, // 4: greptime.v1.meta.RouteResponse.header:type_name -> greptime.v1.meta.ResponseHeader
-	11, // 5: greptime.v1.meta.DeleteRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	13, // 5: greptime.v1.meta.RouteResponse.peers:type_name -> greptime.v1.meta.Peer
-	12, // 6: greptime.v1.meta.DeleteRequest.table_name:type_name -> greptime.v1.meta.TableName
+	3,  // 6: greptime.v1.meta.RouteResponse.table_routes:type_name -> greptime.v1.meta.TableRoute
-	13, // 7: greptime.v1.meta.RouteResponse.header:type_name -> greptime.v1.meta.ResponseHeader
+	5,  // 7: greptime.v1.meta.TableRoute.table:type_name -> greptime.v1.meta.Table
-	14, // 8: greptime.v1.meta.RouteResponse.peers:type_name -> greptime.v1.meta.Peer
+	4,  // 8: greptime.v1.meta.TableRoute.region_routes:type_name -> greptime.v1.meta.RegionRoute
-	4,  // 9: greptime.v1.meta.RouteResponse.table_routes:type_name -> greptime.v1.meta.TableRoute
+	6,  // 9: greptime.v1.meta.RegionRoute.region:type_name -> greptime.v1.meta.Region
-	6,  // 10: greptime.v1.meta.TableRoute.table:type_name -> greptime.v1.meta.Table
+	11, // 10: greptime.v1.meta.Table.table_name:type_name -> greptime.v1.meta.TableName
-	5,  // 11: greptime.v1.meta.TableRoute.region_routes:type_name -> greptime.v1.meta.RegionRoute
+	7,  // 11: greptime.v1.meta.Region.partition:type_name -> greptime.v1.meta.Partition
-	7,  // 12: greptime.v1.meta.RegionRoute.region:type_name -> greptime.v1.meta.Region
+	9,  // 12: greptime.v1.meta.Region.attrs:type_name -> greptime.v1.meta.Region.AttrsEntry
-	12, // 13: greptime.v1.meta.Table.table_name:type_name -> greptime.v1.meta.TableName
+	13, // 13: greptime.v1.meta.TableRouteValue.peers:type_name -> greptime.v1.meta.Peer
-	8,  // 14: greptime.v1.meta.Region.partition:type_name -> greptime.v1.meta.Partition
+	3,  // 14: greptime.v1.meta.TableRouteValue.table_route:type_name -> greptime.v1.meta.TableRoute
-	10, // 15: greptime.v1.meta.Region.attrs:type_name -> greptime.v1.meta.Region.AttrsEntry
+	0,  // 15: greptime.v1.meta.Router.Route:input_type -> greptime.v1.meta.RouteRequest
-	14, // 16: greptime.v1.meta.TableRouteValue.peers:type_name -> greptime.v1.meta.Peer
+	1,  // 16: greptime.v1.meta.Router.Delete:input_type -> greptime.v1.meta.DeleteRequest
-	4,  // 17: greptime.v1.meta.TableRouteValue.table_route:type_name -> greptime.v1.meta.TableRoute
+	2,  // 17: greptime.v1.meta.Router.Route:output_type -> greptime.v1.meta.RouteResponse
-	0,  // 18: greptime.v1.meta.Router.Create:input_type -> greptime.v1.meta.CreateRequest
+	2,  // 18: greptime.v1.meta.Router.Delete:output_type -> greptime.v1.meta.RouteResponse
-	1,  // 19: greptime.v1.meta.Router.Route:input_type -> greptime.v1.meta.RouteRequest
+	17, // [17:19] is the sub-list for method output_type
-	2,  // 20: greptime.v1.meta.Router.Delete:input_type -> greptime.v1.meta.DeleteRequest
+	15, // [15:17] is the sub-list for method input_type
-	3,  // 21: greptime.v1.meta.Router.Create:output_type -> greptime.v1.meta.RouteResponse
+	15, // [15:15] is the sub-list for extension type_name
-	3,  // 22: greptime.v1.meta.Router.Route:output_type -> greptime.v1.meta.RouteResponse
+	15, // [15:15] is the sub-list for extension extendee
-	3,  // 23: greptime.v1.meta.Router.Delete:output_type -> greptime.v1.meta.RouteResponse
+	0,  // [0:15] is the sub-list for field type_name
-	21, // [21:24] is the sub-list for method output_type
-	18, // [18:21] is the sub-list for method input_type
-	18, // [18:18] is the sub-list for extension type_name
-	18, // [18:18] is the sub-list for extension extendee
-	0,  // [0:18] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_meta_route_proto_init() }
@@ -840,18 +744,6 @@ func file_greptime_v1_meta_route_proto_init() {
 	file_greptime_v1_meta_common_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_greptime_v1_meta_route_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CreateRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_greptime_v1_meta_route_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RouteRequest); i {
 			case 0:
 				return &v.state
@@ -863,7 +755,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DeleteRequest); i {
 			case 0:
 				return &v.state
@@ -875,7 +767,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RouteResponse); i {
 			case 0:
 				return &v.state
@@ -887,7 +779,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TableRoute); i {
 			case 0:
 				return &v.state
@@ -899,7 +791,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RegionRoute); i {
 			case 0:
 				return &v.state
@@ -911,7 +803,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Table); i {
 			case 0:
 				return &v.state
@@ -923,7 +815,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Region); i {
 			case 0:
 				return &v.state
@@ -935,7 +827,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Partition); i {
 			case 0:
 				return &v.state
@@ -947,7 +839,7 @@ func file_greptime_v1_meta_route_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_route_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_route_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TableRouteValue); i {
 			case 0:
 				return &v.state
@@ -966,7 +858,7 @@ func file_greptime_v1_meta_route_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_meta_route_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   11,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

go/greptime/v1/meta/route_grpc.pb.go

@@ -22,7 +22,6 @@ const _ = grpc.SupportPackageIsVersion7
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type RouterClient interface {
-	Create(ctx context.Context, in *CreateRequest, opts ...grpc.CallOption) (*RouteResponse, error)
 	// Fetch routing information for tables. The smallest unit is the complete
 	// routing information(all regions) of a table.
 	//
@@ -57,15 +56,6 @@ func NewRouterClient(cc grpc.ClientConnInterface) RouterClient {
 	return &routerClient{cc}
 }
 
-func (c *routerClient) Create(ctx context.Context, in *CreateRequest, opts ...grpc.CallOption) (*RouteResponse, error) {
-	out := new(RouteResponse)
-	err := c.cc.Invoke(ctx, "/greptime.v1.meta.Router/Create", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *routerClient) Route(ctx context.Context, in *RouteRequest, opts ...grpc.CallOption) (*RouteResponse, error) {
 	out := new(RouteResponse)
 	err := c.cc.Invoke(ctx, "/greptime.v1.meta.Router/Route", in, out, opts...)
@@ -88,7 +78,6 @@ func (c *routerClient) Delete(ctx context.Context, in *DeleteRequest, opts ...gr
 // All implementations must embed UnimplementedRouterServer
 // for forward compatibility
 type RouterServer interface {
-	Create(context.Context, *CreateRequest) (*RouteResponse, error)
 	// Fetch routing information for tables. The smallest unit is the complete
 	// routing information(all regions) of a table.
 	//
@@ -120,9 +109,6 @@ type RouterServer interface {
 type UnimplementedRouterServer struct {
 }
 
-func (UnimplementedRouterServer) Create(context.Context, *CreateRequest) (*RouteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Create not implemented")
-}
 func (UnimplementedRouterServer) Route(context.Context, *RouteRequest) (*RouteResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Route not implemented")
 }
@@ -142,24 +128,6 @@ func RegisterRouterServer(s grpc.ServiceRegistrar, srv RouterServer) {
 	s.RegisterService(&Router_ServiceDesc, srv)
 }
 
-func _Router_Create_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CreateRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(RouterServer).Create(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/greptime.v1.meta.Router/Create",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(RouterServer).Create(ctx, req.(*CreateRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _Router_Route_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RouteRequest)
 	if err := dec(in); err != nil {
@@ -203,10 +171,6 @@ var Router_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "greptime.v1.meta.Router",
 	HandlerType: (*RouterServer)(nil),
 	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "Create",
-			Handler:    _Router_Create_Handler,
-		},
 		{
 			MethodName: "Route",
 			Handler:    _Router_Route_Handler,

proto/greptime/v1/meta/ddl.proto

@@ -0,0 +1,64 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package greptime.v1.meta;
+
+option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/meta";
+
+import "greptime/v1/meta/common.proto";
+
+service DdlTask {
+    // Submits a DDL task to meta.
+    rpc SubmitDdlTask(SubmitDdlTaskRequest) returns (SubmitDdlTaskResponse);
+}
+
+enum DdlTaskType {
+    Create = 0;
+}
+
+message Task {
+    DdlTaskType type = 1;
+    
+    oneof payload { bytes pd = 2; }
+}
+
+message SubmitDdlTaskRequest {
+    RequestHeader header = 1;
+
+    // The following information plays a bigger role in making messages traceable
+    // and facilitating debugging.
+    string subject = 2;
+    string from = 3;
+    string to = 4;
+    // The unix timestamp in milliseconds.
+    int64 timestamp_millis = 5;
+    
+    Task task = 6;
+}
+
+enum Status {
+    Done = 0;
+    Failed = 1;
+    Cancelled = 2;
+}
+
+message SubmitDdlTaskResponse {
+    ResponseHeader header = 1;
+    // Key is the identifier for the ddl task.
+    bytes key = 2;
+
+    Status status = 3;
+}

proto/greptime/v1/meta/route.proto

@@ -21,8 +21,6 @@ option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/meta"
 import "greptime/v1/meta/common.proto";
 
 service Router {
-  rpc Create(CreateRequest) returns (RouteResponse) {}
-
   // Fetch routing information for tables. The smallest unit is the complete
   // routing information(all regions) of a table.
   //
@@ -47,14 +45,6 @@ service Router {
   rpc Delete(DeleteRequest) returns (RouteResponse) {}
 }
 
-message CreateRequest {
-  RequestHeader header = 1;
-
-  TableName table_name = 2;
-  repeated Partition partitions = 3;
-  bytes table_info = 4;
-}
-
 message RouteRequest {
   RequestHeader header = 1;
 

src/v1/meta.rs

@@ -156,7 +156,6 @@ macro_rules! gen_set_header {
 
 gen_set_header!(HeartbeatRequest);
 gen_set_header!(RouteRequest);
-gen_set_header!(CreateRequest);
 gen_set_header!(RangeRequest);
 gen_set_header!(DeleteRequest);
 gen_set_header!(PutRequest);
@@ -168,6 +167,7 @@ gen_set_header!(DeleteRangeRequest);
 gen_set_header!(MoveValueRequest);
 gen_set_header!(LockRequest);
 gen_set_header!(UnlockRequest);
+gen_set_header!(SubmitDdlTaskRequest);
 
 #[cfg(test)]
 mod tests {