From e3183cb54acb8308c8591d6b664c6d2a01ca8001 Mon Sep 17 00:00:00 2001
From: Vasily Nemkov <V.Nemkov@gmail.com>
Date: Mon, 21 Nov 2022 18:39:32 +0400
Subject: [PATCH] Deprecated StringView

---
 clickhouse/base/string_view.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/clickhouse/base/string_view.h b/clickhouse/base/string_view.h
index 46619ed5..ad71907e 100644
--- a/clickhouse/base/string_view.h
+++ b/clickhouse/base/string_view.h
@@ -11,7 +11,9 @@ template <
     typename TChar,
     typename TTraits = std::char_traits<TChar>
 >
-class StringViewImpl {
+class
+[[deprecated("Obsolete due to C++17's std::string_view. Will be removed in next major release (3.0) ")]]
+StringViewImpl {
 public:
     using size_type = size_t;
     using traits_type = TTraits;