From 7c6312fcb284ecb0cc38741124d2a542b46375f2 Mon Sep 17 00:00:00 2001
From: millb <mikhail.korotov.io@yandex.ru>
Date: Wed, 22 Jan 2020 19:32:18 +0300
Subject: [PATCH] first attempt

---
 dbms/programs/server/HTTPHandler.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dbms/programs/server/HTTPHandler.cpp b/dbms/programs/server/HTTPHandler.cpp
index b2b3298693e..10a7b662d38 100644
--- a/dbms/programs/server/HTTPHandler.cpp
+++ b/dbms/programs/server/HTTPHandler.cpp
@@ -610,6 +610,7 @@ void HTTPHandler::trySendExceptionToClient(const std::string & s, int exception_
 {
     try
     {
+        response.set("X-ClickHouse-Exception-Code", toString<int>(exception_code));
         /// If HTTP method is POST and Keep-Alive is turned on, we should read the whole request body
         /// to avoid reading part of the current request body in the next request.
         if (request.getMethod() == Poco::Net::HTTPRequest::HTTP_POST