feat: handle multiple InsertRequests in GRPC method (#47)

* feat: make InsertRequest in a batch

* feat: make InsertRequest in a batch

* feat: make InsertRequest in a batch

go/greptime/v1/database.pb.go

@@ -42,7 +42,7 @@ type GreptimeRequest struct {
 	Header *RequestHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
 	// Types that are assignable to Request:
 	//
-	//	*GreptimeRequest_Insert
+	//	*GreptimeRequest_Inserts
 	//	*GreptimeRequest_Query
 	//	*GreptimeRequest_Ddl
 	//	*GreptimeRequest_Delete
@@ -95,9 +95,9 @@ func (m *GreptimeRequest) GetRequest() isGreptimeRequest_Request {
 	return nil
 }
 
-func (x *GreptimeRequest) GetInsert() *InsertRequest {
+func (x *GreptimeRequest) GetInserts() *InsertRequests {
-	if x, ok := x.GetRequest().(*GreptimeRequest_Insert); ok {
+	if x, ok := x.GetRequest().(*GreptimeRequest_Inserts); ok {
-		return x.Insert
+		return x.Inserts
 	}
 	return nil
 }
@@ -127,8 +127,8 @@ type isGreptimeRequest_Request interface {
 	isGreptimeRequest_Request()
 }
 
-type GreptimeRequest_Insert struct {
+type GreptimeRequest_Inserts struct {
-	Insert *InsertRequest `protobuf:"bytes,2,opt,name=insert,proto3,oneof"`
+	Inserts *InsertRequests `protobuf:"bytes,2,opt,name=inserts,proto3,oneof"`
 }
 
 type GreptimeRequest_Query struct {
@@ -143,7 +143,7 @@ type GreptimeRequest_Delete struct {
 	Delete *DeleteRequest `protobuf:"bytes,5,opt,name=delete,proto3,oneof"`
 }
 
-func (*GreptimeRequest_Insert) isGreptimeRequest_Request() {}
+func (*GreptimeRequest_Inserts) isGreptimeRequest_Request() {}
 
 func (*GreptimeRequest_Query) isGreptimeRequest_Request() {}
 
@@ -321,6 +321,53 @@ func (*QueryRequest_LogicalPlan) isQueryRequest_Query() {}
 
 func (*QueryRequest_PromRangeQuery) isQueryRequest_Query() {}
 
+type InsertRequests struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Inserts []*InsertRequest `protobuf:"bytes,1,rep,name=inserts,proto3" json:"inserts,omitempty"`
+}
+
+func (x *InsertRequests) Reset() {
+	*x = InsertRequests{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_database_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InsertRequests) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InsertRequests) ProtoMessage() {}
+
+func (x *InsertRequests) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_database_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InsertRequests.ProtoReflect.Descriptor instead.
+func (*InsertRequests) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *InsertRequests) GetInserts() []*InsertRequest {
+	if x != nil {
+		return x.Inserts
+	}
+	return nil
+}
+
 type InsertRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -340,7 +387,7 @@ type InsertRequest struct {
 func (x *InsertRequest) Reset() {
 	*x = InsertRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[3]
+		mi := &file_greptime_v1_database_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -353,7 +400,7 @@ func (x *InsertRequest) String() string {
 func (*InsertRequest) ProtoMessage() {}
 
 func (x *InsertRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[3]
+	mi := &file_greptime_v1_database_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -366,7 +413,7 @@ func (x *InsertRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InsertRequest.ProtoReflect.Descriptor instead.
 func (*InsertRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{3}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *InsertRequest) GetTableName() string {
@@ -416,7 +463,7 @@ type DeleteRequest struct {
 func (x *DeleteRequest) Reset() {
 	*x = DeleteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[4]
+		mi := &file_greptime_v1_database_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -429,7 +476,7 @@ func (x *DeleteRequest) String() string {
 func (*DeleteRequest) ProtoMessage() {}
 
 func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[4]
+	mi := &file_greptime_v1_database_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -442,7 +489,7 @@ func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteRequest.ProtoReflect.Descriptor instead.
 func (*DeleteRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{4}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *DeleteRequest) GetTableName() string {
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 }
 
 var (
@@ -574,40 +625,42 @@ 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, 5)
+var file_greptime_v1_database_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 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
+	(*InsertRequests)(nil),   // 3: greptime.v1.InsertRequests
-	(*DeleteRequest)(nil),    // 4: greptime.v1.DeleteRequest
+	(*InsertRequest)(nil),    // 4: greptime.v1.InsertRequest
-	(*RequestHeader)(nil),    // 5: greptime.v1.RequestHeader
+	(*DeleteRequest)(nil),    // 5: greptime.v1.DeleteRequest
-	(*DdlRequest)(nil),       // 6: greptime.v1.DdlRequest
+	(*RequestHeader)(nil),    // 6: greptime.v1.RequestHeader
-	(*ResponseHeader)(nil),   // 7: greptime.v1.ResponseHeader
+	(*DdlRequest)(nil),       // 7: greptime.v1.DdlRequest
-	(*AffectedRows)(nil),     // 8: greptime.v1.AffectedRows
+	(*ResponseHeader)(nil),   // 8: greptime.v1.ResponseHeader
-	(*PromRangeQuery)(nil),   // 9: greptime.v1.PromRangeQuery
+	(*AffectedRows)(nil),     // 9: greptime.v1.AffectedRows
-	(*Column)(nil),           // 10: greptime.v1.Column
+	(*PromRangeQuery)(nil),   // 10: greptime.v1.PromRangeQuery
+	(*Column)(nil),           // 11: greptime.v1.Column
 }
 var file_greptime_v1_database_proto_depIdxs = []int32{
-	5,  // 0: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
+	6,  // 0: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
-	3,  // 1: greptime.v1.GreptimeRequest.insert:type_name -> greptime.v1.InsertRequest
+	3,  // 1: greptime.v1.GreptimeRequest.inserts:type_name -> greptime.v1.InsertRequests
 	2,  // 2: greptime.v1.GreptimeRequest.query:type_name -> greptime.v1.QueryRequest
-	6,  // 3: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
+	7,  // 3: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
-	4,  // 4: greptime.v1.GreptimeRequest.delete:type_name -> greptime.v1.DeleteRequest
+	5,  // 4: greptime.v1.GreptimeRequest.delete:type_name -> greptime.v1.DeleteRequest
-	7,  // 5: greptime.v1.GreptimeResponse.header:type_name -> greptime.v1.ResponseHeader
+	8,  // 5: greptime.v1.GreptimeResponse.header:type_name -> greptime.v1.ResponseHeader
-	8,  // 6: greptime.v1.GreptimeResponse.affected_rows:type_name -> greptime.v1.AffectedRows
+	9,  // 6: greptime.v1.GreptimeResponse.affected_rows:type_name -> greptime.v1.AffectedRows
-	9,  // 7: greptime.v1.QueryRequest.prom_range_query:type_name -> greptime.v1.PromRangeQuery
+	10, // 7: greptime.v1.QueryRequest.prom_range_query:type_name -> greptime.v1.PromRangeQuery
-	10, // 8: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
+	4,  // 8: greptime.v1.InsertRequests.inserts:type_name -> greptime.v1.InsertRequest
-	10, // 9: greptime.v1.DeleteRequest.key_columns:type_name -> greptime.v1.Column
+	11, // 9: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
-	0,  // 10: greptime.v1.GreptimeDatabase.Handle:input_type -> greptime.v1.GreptimeRequest
+	11, // 10: greptime.v1.DeleteRequest.key_columns:type_name -> greptime.v1.Column
-	0,  // 11: greptime.v1.GreptimeDatabase.HandleRequests:input_type -> greptime.v1.GreptimeRequest
+	0,  // 11: greptime.v1.GreptimeDatabase.Handle:input_type -> greptime.v1.GreptimeRequest
-	1,  // 12: greptime.v1.GreptimeDatabase.Handle:output_type -> greptime.v1.GreptimeResponse
+	0,  // 12: greptime.v1.GreptimeDatabase.HandleRequests:input_type -> greptime.v1.GreptimeRequest
-	1,  // 13: greptime.v1.GreptimeDatabase.HandleRequests:output_type -> greptime.v1.GreptimeResponse
+	1,  // 13: greptime.v1.GreptimeDatabase.Handle:output_type -> greptime.v1.GreptimeResponse
-	12, // [12:14] is the sub-list for method output_type
+	1,  // 14: greptime.v1.GreptimeDatabase.HandleRequests:output_type -> greptime.v1.GreptimeResponse
-	10, // [10:12] is the sub-list for method input_type
+	13, // [13:15] is the sub-list for method output_type
-	10, // [10:10] is the sub-list for extension type_name
+	11, // [11:13] is the sub-list for method input_type
-	10, // [10:10] is the sub-list for extension extendee
+	11, // [11:11] is the sub-list for extension type_name
-	0,  // [0:10] is the sub-list for field type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_database_proto_init() }
@@ -657,7 +710,7 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InsertRequest); i {
+			switch v := v.(*InsertRequests); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -669,6 +722,18 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InsertRequest); 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[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DeleteRequest); i {
 			case 0:
 				return &v.state
@@ -682,7 +747,7 @@ func file_greptime_v1_database_proto_init() {
 		}
 	}
 	file_greptime_v1_database_proto_msgTypes[0].OneofWrappers = []interface{}{
-		(*GreptimeRequest_Insert)(nil),
+		(*GreptimeRequest_Inserts)(nil),
 		(*GreptimeRequest_Query)(nil),
 		(*GreptimeRequest_Ddl)(nil),
 		(*GreptimeRequest_Delete)(nil),
@@ -701,7 +766,7 @@ func file_greptime_v1_database_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_database_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

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

@@ -477,6 +477,8 @@ public final class Columns {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -1400,6 +1402,8 @@ public final class Columns {
           }
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
           throw e.setUnfinishedMessage(this);
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
         } catch (java.io.IOException e) {
           throw new com.google.protobuf.InvalidProtocolBufferException(
               e).setUnfinishedMessage(this);
@@ -5889,6 +5893,8 @@ public final class Columns {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);

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

@@ -74,6 +74,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -613,6 +615,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -1791,6 +1795,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -2358,8 +2364,9 @@ public final class Common {
         } else {
           if (authSchemeCase_ == 1) {
             basicBuilder_.mergeFrom(value);
+          } else {
+            basicBuilder_.setMessage(value);
           }
-          basicBuilder_.setMessage(value);
         }
         authSchemeCase_ = 1;
         return this;
@@ -2499,8 +2506,9 @@ public final class Common {
         } else {
           if (authSchemeCase_ == 2) {
             tokenBuilder_.mergeFrom(value);
+          } else {
+            tokenBuilder_.setMessage(value);
           }
-          tokenBuilder_.setMessage(value);
         }
         authSchemeCase_ = 2;
         return this;
@@ -2716,6 +2724,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -3415,6 +3425,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -3975,6 +3987,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -4480,6 +4494,8 @@ public final class Common {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);

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

@@ -228,6 +228,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -979,8 +981,9 @@ public final class Ddl {
         } else {
           if (exprCase_ == 1) {
             createDatabaseBuilder_.mergeFrom(value);
+          } else {
+            createDatabaseBuilder_.setMessage(value);
           }
-          createDatabaseBuilder_.setMessage(value);
         }
         exprCase_ = 1;
         return this;
@@ -1120,8 +1123,9 @@ public final class Ddl {
         } else {
           if (exprCase_ == 2) {
             createTableBuilder_.mergeFrom(value);
+          } else {
+            createTableBuilder_.setMessage(value);
           }
-          createTableBuilder_.setMessage(value);
         }
         exprCase_ = 2;
         return this;
@@ -1261,8 +1265,9 @@ public final class Ddl {
         } else {
           if (exprCase_ == 3) {
             alterBuilder_.mergeFrom(value);
+          } else {
+            alterBuilder_.setMessage(value);
           }
-          alterBuilder_.setMessage(value);
         }
         exprCase_ = 3;
         return this;
@@ -1402,8 +1407,9 @@ public final class Ddl {
         } else {
           if (exprCase_ == 4) {
             dropTableBuilder_.mergeFrom(value);
+          } else {
+            dropTableBuilder_.setMessage(value);
           }
-          dropTableBuilder_.setMessage(value);
         }
         exprCase_ = 4;
         return this;
@@ -1543,8 +1549,9 @@ public final class Ddl {
         } else {
           if (exprCase_ == 5) {
             flushTableBuilder_.mergeFrom(value);
+          } else {
+            flushTableBuilder_.setMessage(value);
           }
-          flushTableBuilder_.setMessage(value);
         }
         exprCase_ = 5;
         return this;
@@ -1805,9 +1812,11 @@ public final class Ddl {
      * <code>map&lt;string, string&gt; table_options = 9;</code>
      */
 
-    java.lang.String getTableOptionsOrDefault(
+    /* nullable */
+java.lang.String getTableOptionsOrDefault(
         java.lang.String key,
-        java.lang.String defaultValue);
+        /* nullable */
+java.lang.String defaultValue);
     /**
      * <code>map&lt;string, string&gt; table_options = 9;</code>
      */
@@ -2031,6 +2040,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -4566,6 +4577,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -5585,8 +5598,9 @@ public final class Ddl {
         } else {
           if (kindCase_ == 4) {
             addColumnsBuilder_.mergeFrom(value);
+          } else {
+            addColumnsBuilder_.setMessage(value);
           }
-          addColumnsBuilder_.setMessage(value);
         }
         kindCase_ = 4;
         return this;
@@ -5726,8 +5740,9 @@ public final class Ddl {
         } else {
           if (kindCase_ == 5) {
             dropColumnsBuilder_.mergeFrom(value);
+          } else {
+            dropColumnsBuilder_.setMessage(value);
           }
-          dropColumnsBuilder_.setMessage(value);
         }
         kindCase_ = 5;
         return this;
@@ -5867,8 +5882,9 @@ public final class Ddl {
         } else {
           if (kindCase_ == 6) {
             renameTableBuilder_.mergeFrom(value);
+          } else {
+            renameTableBuilder_.setMessage(value);
           }
-          renameTableBuilder_.setMessage(value);
         }
         kindCase_ = 6;
         return this;
@@ -6103,6 +6119,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -6988,6 +7006,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -7925,6 +7945,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -8597,6 +8619,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -9390,6 +9414,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -10167,6 +10193,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -10783,6 +10811,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -10901,6 +10931,8 @@ public final class Ddl {
           }
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
           throw e.setUnfinishedMessage(this);
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
         } catch (java.io.IOException e) {
           throw new com.google.protobuf.InvalidProtocolBufferException(
               e).setUnfinishedMessage(this);
@@ -12413,6 +12445,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -12973,6 +13007,8 @@ public final class Ddl {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);

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

@@ -162,6 +162,8 @@ public final class Prometheus {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -904,8 +906,9 @@ public final class Prometheus {
         } else {
           if (promqlCase_ == 2) {
             instantQueryBuilder_.mergeFrom(value);
+          } else {
+            instantQueryBuilder_.setMessage(value);
           }
-          instantQueryBuilder_.setMessage(value);
         }
         promqlCase_ = 2;
         return this;
@@ -1045,8 +1048,9 @@ public final class Prometheus {
         } else {
           if (promqlCase_ == 3) {
             rangeQueryBuilder_.mergeFrom(value);
+          } else {
+            rangeQueryBuilder_.setMessage(value);
           }
-          rangeQueryBuilder_.setMessage(value);
         }
         promqlCase_ = 3;
         return this;
@@ -1268,6 +1272,8 @@ public final class Prometheus {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -1977,6 +1983,8 @@ public final class Prometheus {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
@@ -2733,6 +2741,8 @@ public final class Prometheus {
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
         throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
       } catch (java.io.IOException e) {
         throw new com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);

proto/greptime/v1/database.proto

@@ -34,7 +34,7 @@ service GreptimeDatabase {
 message GreptimeRequest {
   RequestHeader header = 1;
   oneof request {
-    InsertRequest insert = 2;
+    InsertRequests inserts = 2;
     QueryRequest query = 3;
     DdlRequest ddl = 4;
     DeleteRequest delete = 5;
@@ -54,6 +54,10 @@ message QueryRequest {
   }
 }
 
+message InsertRequests {
+  repeated InsertRequest inserts = 1;
+}
+
 message InsertRequest {
   string table_name = 1;