From b38ad8297c8c62871e75cc82afdd6ed666cff44d Mon Sep 17 00:00:00 2001
From: conicliu <conicliu@tencent.com>
Date: Mon, 19 Feb 2024 16:11:42 +0800
Subject: [PATCH] skip log empty message

---
 src/Storages/MergeTree/DataPartStorageOnDiskBase.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Storages/MergeTree/DataPartStorageOnDiskBase.cpp b/src/Storages/MergeTree/DataPartStorageOnDiskBase.cpp
index 000d36752cb..e31d991ef09 100644
--- a/src/Storages/MergeTree/DataPartStorageOnDiskBase.cpp
+++ b/src/Storages/MergeTree/DataPartStorageOnDiskBase.cpp
@@ -701,7 +701,9 @@ void DataPartStorageOnDiskBase::remove(
             if (file_name.starts_with(proj_dir_name))
                 files_not_to_remove_for_projection.emplace(fs::path(file_name).filename());
 
-        LOG_DEBUG(log, "Will not remove files [{}] for projection {}", fmt::join(files_not_to_remove_for_projection, ", "), projection.name);
+        if (!files_not_to_remove_for_projection.empty())
+            LOG_DEBUG(
+                log, "Will not remove files [{}] for projection {}", fmt::join(files_not_to_remove_for_projection, ", "), projection.name);
 
         CanRemoveDescription proj_description
         {