From 6e07bfe7bc93721676ec0b7f99ef267e26acea80 Mon Sep 17 00:00:00 2001
From: Alexander Kuzmenkov <akuzm@yandex-team.ru>
Date: Thu, 1 Oct 2020 17:29:22 +0300
Subject: [PATCH] return the comment

---
 src/Common/Exception.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Common/Exception.h b/src/Common/Exception.h
index d0de8d6a3f2..09d923fe60e 100644
--- a/src/Common/Exception.h
+++ b/src/Common/Exception.h
@@ -39,6 +39,7 @@ public:
     const char * name() const throw() override { return "DB::Exception"; }
     const char * what() const throw() override { return message().data(); }
 
+    /// Add something to the existing message.
     template <typename ...Fmt>
     void addMessage(Fmt&&... fmt)
     {