minor style fixes (#7907)

Author: evanevanevanevannnn

ydb/core/external_sources/object_storage.cpp

@@ -359,13 +359,13 @@ struct TObjectStorageExternalSource : public IExternalSource {
                     metaPromise.SetValue(NYql::NCommon::ResultFromError<TMetadataResult>(response.Status.GetIssues()));
                     return;
                 }
-                TMetadataResult result;
                 meta->Changed = true;
                 meta->Schema.clear_column();
                 for (const auto& column : response.Fields) {
                     auto& destColumn = *meta->Schema.add_column();
                     destColumn = column;
                 }
+                TMetadataResult result;
                 result.SetSuccess();
                 result.Metadata = meta;
                 metaPromise.SetValue(std::move(result));

ydb/core/external_sources/object_storage/inference/arrow_inferencinator.cpp

@@ -8,8 +8,17 @@
 #include <ydb/core/external_sources/object_storage/events.h>
 #include <ydb/library/actors/core/actor_bootstrapped.h>
 #include <ydb/library/actors/core/hfunc.h>
+#include <ydb/library/actors/core/log.h>
 #include <ydb/public/api/protos/ydb_value.pb.h>
 
+#define LOG_E(name, stream) \
+    LOG_ERROR_S(*NActors::TlsActivationContext, NKikimrServices::OBJECT_STORAGE_INFERENCINATOR, name << ": " << this->SelfId() << ". " << stream)
+#define LOG_I(name, stream) \
+    LOG_INFO_S(*NActors::TlsActivationContext, NKikimrServices::OBJECT_STORAGE_INFERENCINATOR, name << ": " << this->SelfId() << ". " << stream)
+#define LOG_D(name, stream) \
+    LOG_DEBUG_S(*NActors::TlsActivationContext, NKikimrServices::OBJECT_STORAGE_INFERENCINATOR, name << ": " << this->SelfId() << ". " << stream)
+#define LOG_T(name, stream) \
+    LOG_TRACE_S(*NActors::TlsActivationContext, NKikimrServices::OBJECT_STORAGE_INFERENCINATOR, name << ": " << this->SelfId() << ". " << stream)
 
 namespace NKikimr::NExternalSource::NObjectStorage::NInference {
 
@@ -314,7 +323,7 @@ class TArrowInferencinator : public NActors::TActorBootstrapped<TArrowInferencin
     }
 
     void HandleFileError(TEvFileError::TPtr& ev, const NActors::TActorContext& ctx) {
-        Cout << "TArrowInferencinator::HandleFileError" << Endl;
+        LOG_D("TArrowInferencinator", "HandleFileError: " << ev->Get()->Issues.ToOneLineString());
         ctx.Send(RequesterId_, new TEvInferredFileSchema(ev->Get()->Path, std::move(ev->Get()->Issues)));
     }
 

ydb/library/services/services.proto

@@ -338,6 +338,7 @@ enum EServiceKikimr {
 
     DB_POOL = 1167;
     YTS = 1168;
+    OBJECT_STORAGE_INFERENCINATOR = 1169;
 
     // 1024 - 1099 is reserved for nbs