From 45c9080cd82392b6e4bc97b80daa04eb87fb5b29 Mon Sep 17 00:00:00 2001
From: robot-piglet <robot-piglet@yandex-team.com>
Date: Wed, 7 Feb 2024 11:47:25 +0300
Subject: Intermediate changes

---
 yt/cpp/mapreduce/io/skiff_table_reader.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/yt/cpp/mapreduce/io/skiff_table_reader.cpp b/yt/cpp/mapreduce/io/skiff_table_reader.cpp
index 66c7c3ab6f8..3f6440a8bb1 100644
--- a/yt/cpp/mapreduce/io/skiff_table_reader.cpp
+++ b/yt/cpp/mapreduce/io/skiff_table_reader.cpp
@@ -180,10 +180,9 @@ TVector<TSkiffTableReader::TSkiffTableSchema> TSkiffTableReader::CreateSkiffTabl
             "Expected 'tuple' wire type for table schema, got '" << tableSchema->GetWireType() << "'");
         TVector<TSkiffColumnSchema> columns;
         for (const auto& columnSchema : tableSchema->GetChildren()) {
-            if (columnSchema->GetName().StartsWith("$")) {
-                auto iter = specialColumns.find(columnSchema->GetName());
-                Y_ENSURE(iter != specialColumns.end(), "Unknown special column: " << columnSchema->GetName());
-                columns.push_back(iter->second);
+            auto specialColumnIter = specialColumns.find(columnSchema->GetName());
+            if (specialColumnIter != specialColumns.end()) {
+                columns.push_back(specialColumnIter->second);
             } else {
                 auto wireType = columnSchema->GetWireType();
                 bool required = true;
-- 
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