From 64d130d1514e8c12e827c5b2ed726dc88ac90ca8 Mon Sep 17 00:00:00 2001
From: s-berdnikov <s-berdnikov@yandex-team.com>
Date: Wed, 18 Feb 2026 18:39:56 +0300
Subject: YT-21148 Serialize deleted columns according to new design

* Changelog entry

  Type: fix

  Component: master

  Deleted columns are now stored in table schema attributes instead of being represented as regular columns with `deleted` field.
commit_hash:bbcf72019585ce99df10ce93efe3995111f50f58
---
 yt/cpp/mapreduce/interface/common.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'yt/cpp/mapreduce/interface/common.cpp')

diff --git a/yt/cpp/mapreduce/interface/common.cpp b/yt/cpp/mapreduce/interface/common.cpp
index cea5a6a83fc..fdb3e66b191 100644
--- a/yt/cpp/mapreduce/interface/common.cpp
+++ b/yt/cpp/mapreduce/interface/common.cpp
@@ -449,6 +449,13 @@ bool operator==(const TColumnSchema& lhs, const TColumnSchema& rhs)
 
 ////////////////////////////////////////////////////////////////////////////////
 
+bool operator==(const TDeletedColumnSchema& lhs, const TDeletedColumnSchema& rhs)
+{
+    return lhs.StableName() == rhs.StableName();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 bool TTableSchema::Empty() const
 {
     return Columns_.empty();
-- 
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