feat: support "delete" in distributed mode (#28)

go/greptime/v1/database.pb.go

@@ -31,6 +31,7 @@ type GreptimeRequest struct {
 	//	*GreptimeRequest_Insert
 	//	*GreptimeRequest_Query
 	//	*GreptimeRequest_Ddl
+	//	*GreptimeRequest_Delete
 	Request isGreptimeRequest_Request `protobuf_oneof:"request"`
 }
 
@@ -101,6 +102,13 @@ func (x *GreptimeRequest) GetDdl() *DdlRequest {
 	return nil
 }
 
+func (x *GreptimeRequest) GetDelete() *DeleteRequest {
+	if x, ok := x.GetRequest().(*GreptimeRequest_Delete); ok {
+		return x.Delete
+	}
+	return nil
+}
+
 type isGreptimeRequest_Request interface {
 	isGreptimeRequest_Request()
 }
@@ -117,12 +125,18 @@ type GreptimeRequest_Ddl struct {
 	Ddl *DdlRequest `protobuf:"bytes,4,opt,name=ddl,proto3,oneof"`
 }
 
+type GreptimeRequest_Delete struct {
+	Delete *DeleteRequest `protobuf:"bytes,5,opt,name=delete,proto3,oneof"`
+}
+
 func (*GreptimeRequest_Insert) isGreptimeRequest_Request() {}
 
 func (*GreptimeRequest_Query) isGreptimeRequest_Request() {}
 
 func (*GreptimeRequest_Ddl) isGreptimeRequest_Request() {}
 
+func (*GreptimeRequest_Delete) isGreptimeRequest_Request() {}
+
 type GreptimeResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -369,6 +383,81 @@ func (x *InsertRequest) GetRegionNumber() uint32 {
 	return 0
 }
 
+type DeleteRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The table name to delete from. Catalog name and schema name are in the `RequestHeader`.
+	TableName string `protobuf:"bytes,1,opt,name=table_name,json=tableName,proto3" json:"table_name,omitempty"`
+	// The region number of current delete request.
+	RegionNumber uint32 `protobuf:"varint,2,opt,name=region_number,json=regionNumber,proto3" json:"region_number,omitempty"`
+	// The data to delete, indexed by key columns.
+	KeyColumns []*Column `protobuf:"bytes,3,rep,name=key_columns,json=keyColumns,proto3" json:"key_columns,omitempty"`
+	// The row count of all columns above.
+	RowCount uint32 `protobuf:"varint,4,opt,name=row_count,json=rowCount,proto3" json:"row_count,omitempty"`
+}
+
+func (x *DeleteRequest) Reset() {
+	*x = DeleteRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_database_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteRequest) ProtoMessage() {}
+
+func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_database_proto_msgTypes[4]
+	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 DeleteRequest.ProtoReflect.Descriptor instead.
+func (*DeleteRequest) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *DeleteRequest) GetTableName() string {
+	if x != nil {
+		return x.TableName
+	}
+	return ""
+}
+
+func (x *DeleteRequest) GetRegionNumber() uint32 {
+	if x != nil {
+		return x.RegionNumber
+	}
+	return 0
+}
+
+func (x *DeleteRequest) GetKeyColumns() []*Column {
+	if x != nil {
+		return x.KeyColumns
+	}
+	return nil
+}
+
+func (x *DeleteRequest) GetRowCount() uint32 {
+	if x != nil {
+		return x.RowCount
+	}
+	return 0
+}
+
 var File_greptime_v1_database_proto protoreflect.FileDescriptor
 
 var file_greptime_v1_database_proto_rawDesc = []byte{
@@ -380,7 +469,7 @@ var file_greptime_v1_database_proto_rawDesc = []byte{
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+	0x6f, 0x33,
 }
 
 var (
@@ -456,37 +559,40 @@ func file_greptime_v1_database_proto_rawDescGZIP() []byte {
 	return file_greptime_v1_database_proto_rawDescData
 }
 
-var file_greptime_v1_database_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_greptime_v1_database_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
 var file_greptime_v1_database_proto_goTypes = []interface{}{
 	(*GreptimeRequest)(nil),  // 0: greptime.v1.GreptimeRequest
 	(*GreptimeResponse)(nil), // 1: greptime.v1.GreptimeResponse
 	(*QueryRequest)(nil),     // 2: greptime.v1.QueryRequest
 	(*InsertRequest)(nil),    // 3: greptime.v1.InsertRequest
-	(*RequestHeader)(nil),    // 4: greptime.v1.RequestHeader
+	(*DeleteRequest)(nil),    // 4: greptime.v1.DeleteRequest
-	(*DdlRequest)(nil),       // 5: greptime.v1.DdlRequest
+	(*RequestHeader)(nil),    // 5: greptime.v1.RequestHeader
-	(*ResponseHeader)(nil),   // 6: greptime.v1.ResponseHeader
+	(*DdlRequest)(nil),       // 6: greptime.v1.DdlRequest
-	(*AffectedRows)(nil),     // 7: greptime.v1.AffectedRows
+	(*ResponseHeader)(nil),   // 7: greptime.v1.ResponseHeader
-	(*PromRangeQuery)(nil),   // 8: greptime.v1.PromRangeQuery
+	(*AffectedRows)(nil),     // 8: greptime.v1.AffectedRows
-	(*Column)(nil),           // 9: greptime.v1.Column
+	(*PromRangeQuery)(nil),   // 9: greptime.v1.PromRangeQuery
+	(*Column)(nil),           // 10: greptime.v1.Column
 }
 var file_greptime_v1_database_proto_depIdxs = []int32{
-	4,  // 0: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
+	5,  // 0: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
 	3,  // 1: greptime.v1.GreptimeRequest.insert:type_name -> greptime.v1.InsertRequest
 	2,  // 2: greptime.v1.GreptimeRequest.query:type_name -> greptime.v1.QueryRequest
-	5,  // 3: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
+	6,  // 3: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
-	6,  // 4: greptime.v1.GreptimeResponse.header:type_name -> greptime.v1.ResponseHeader
+	4,  // 4: greptime.v1.GreptimeRequest.delete:type_name -> greptime.v1.DeleteRequest
-	7,  // 5: greptime.v1.GreptimeResponse.affected_rows:type_name -> greptime.v1.AffectedRows
+	7,  // 5: greptime.v1.GreptimeResponse.header:type_name -> greptime.v1.ResponseHeader
-	8,  // 6: greptime.v1.QueryRequest.prom_range_query:type_name -> greptime.v1.PromRangeQuery
+	8,  // 6: greptime.v1.GreptimeResponse.affected_rows:type_name -> greptime.v1.AffectedRows
-	9,  // 7: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
+	9,  // 7: greptime.v1.QueryRequest.prom_range_query:type_name -> greptime.v1.PromRangeQuery
-	0,  // 8: greptime.v1.GreptimeDatabase.Handle:input_type -> greptime.v1.GreptimeRequest
+	10, // 8: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
-	0,  // 9: greptime.v1.GreptimeDatabase.HandleRequests:input_type -> greptime.v1.GreptimeRequest
+	10, // 9: greptime.v1.DeleteRequest.key_columns:type_name -> greptime.v1.Column
-	1,  // 10: greptime.v1.GreptimeDatabase.Handle:output_type -> greptime.v1.GreptimeResponse
+	0,  // 10: greptime.v1.GreptimeDatabase.Handle:input_type -> greptime.v1.GreptimeRequest
-	1,  // 11: greptime.v1.GreptimeDatabase.HandleRequests:output_type -> greptime.v1.GreptimeResponse
+	0,  // 11: greptime.v1.GreptimeDatabase.HandleRequests:input_type -> greptime.v1.GreptimeRequest
-	10, // [10:12] is the sub-list for method output_type
+	1,  // 12: greptime.v1.GreptimeDatabase.Handle:output_type -> greptime.v1.GreptimeResponse
-	8,  // [8:10] is the sub-list for method input_type
+	1,  // 13: greptime.v1.GreptimeDatabase.HandleRequests:output_type -> greptime.v1.GreptimeResponse
-	8,  // [8:8] is the sub-list for extension type_name
+	12, // [12:14] is the sub-list for method output_type
-	8,  // [8:8] is the sub-list for extension extendee
+	10, // [10:12] is the sub-list for method input_type
-	0,  // [0:8] is the sub-list for field type_name
+	10, // [10:10] is the sub-list for extension type_name
+	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_database_proto_init() }
@@ -547,11 +653,24 @@ func file_greptime_v1_database_proto_init() {
 				return nil
 			}
 		}
+		file_greptime_v1_database_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeleteRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	file_greptime_v1_database_proto_msgTypes[0].OneofWrappers = []interface{}{
 		(*GreptimeRequest_Insert)(nil),
 		(*GreptimeRequest_Query)(nil),
 		(*GreptimeRequest_Ddl)(nil),
+		(*GreptimeRequest_Delete)(nil),
 	}
 	file_greptime_v1_database_proto_msgTypes[1].OneofWrappers = []interface{}{
 		(*GreptimeResponse_AffectedRows)(nil),
@@ -567,7 +686,7 @@ func file_greptime_v1_database_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_database_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   5,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/greptime/v1/database.proto

@@ -23,6 +23,7 @@ message GreptimeRequest {
     InsertRequest insert = 2;
     QueryRequest query = 3;
     DdlRequest ddl = 4;
+    DeleteRequest delete = 5;
   }
 }
 
@@ -55,3 +56,17 @@ message InsertRequest {
   // The region number of current insert request.
   uint32 region_number = 5;
 }
+
+message DeleteRequest {
+  // The table name to delete from. Catalog name and schema name are in the `RequestHeader`.
+  string table_name = 1;
+
+  // The region number of current delete request.
+  uint32 region_number = 2;
+
+  // The data to delete, indexed by key columns.
+  repeated Column key_columns = 3;
+
+  // The row count of all columns above.
+  uint32 row_count = 4;
+}