Intermediate changes

commit_hash:dbf7495ed55cb43d01c1e3ced535d1569d76cd2a

Author: robot-piglet

yt/yql/providers/yt/fmr/request_options/proto_helpers/yql_yt_request_proto_helpers.cpp

@@ -64,11 +64,11 @@ TFmrTableRef FmrTableRefFromProto(const NProto::TFmrTableRef protoFmrTableRef) {
 
 NProto::TTableRef TableRefToProto(const TTableRef& tableRef) {
     NProto::TTableRef protoTableRef;
-    if (auto* ytTableRefPtr = std::get_if<TYtTableRef>(&tableRef.TableRef)) {
+    if (auto* ytTableRefPtr = std::get_if<TYtTableRef>(&tableRef)) {
         NProto::TYtTableRef protoYtTableRef = YtTableRefToProto(*ytTableRefPtr);
         protoTableRef.MutableYtTableRef()->Swap(&protoYtTableRef);
     } else {
-        auto* fmrTableRefPtr = std::get_if<TFmrTableRef>(&tableRef.TableRef);
+        auto* fmrTableRefPtr = std::get_if<TFmrTableRef>(&tableRef);
         NProto::TFmrTableRef protoFmrTableRef = FmrTableRefToProto(*fmrTableRefPtr);
         protoTableRef.MutableFmrTableRef()->Swap(&protoFmrTableRef);
     }

yt/yql/providers/yt/fmr/request_options/yql_yt_request_options.h

@@ -46,6 +46,10 @@ struct TFmrError {
     TMaybe<TString> OperationId;
 };
 
+struct TError {
+    TString ErrorMessage;
+};
+
 struct TStatistics {
 };
 
@@ -59,9 +63,7 @@ struct TFmrTableRef {
     TString TableId;
 };
 
-struct TTableRef {
-    std::variant<TYtTableRef, TFmrTableRef> TableRef;
-};
+using TTableRef = std::variant<TYtTableRef, TFmrTableRef>;
 
 struct TUploadTaskParams {
     TFmrTableRef Input;