From 2a5385b4a0d7f46f64f36e5a03f5da3e78be98f7 Mon Sep 17 00:00:00 2001
From: kssenii <sumarokovakseniia@mail.ru>
Date: Fri, 15 Nov 2024 15:53:25 +0100
Subject: [PATCH] Try fix race

---
 src/Interpreters/Cache/FileSegment.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Interpreters/Cache/FileSegment.cpp b/src/Interpreters/Cache/FileSegment.cpp
index 541f0f5607a..96229f15247 100644
--- a/src/Interpreters/Cache/FileSegment.cpp
+++ b/src/Interpreters/Cache/FileSegment.cpp
@@ -321,8 +321,10 @@ void FileSegment::resetRemoteFileReader()
 FileSegment::RemoteFileReaderPtr FileSegment::extractRemoteFileReader()
 {
     auto lk = lock();
-    if (remote_file_reader && (download_state == State::DOWNLOADED
-        || download_state == State::PARTIALLY_DOWNLOADED_NO_CONTINUATION))
+    if (remote_file_reader
+        && remote_file_reader.unique()
+        && (download_state == State::DOWNLOADED
+            || download_state == State::PARTIALLY_DOWNLOADED_NO_CONTINUATION))
     {
         return std::move(remote_file_reader);
     }