From 307fc93d1dfb1c665f385c370d161951ad943ac9 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 19 Feb 2018 07:03:31 +0300
Subject: [PATCH] Added method "getHeader" in IBlockOutputStream: development
 [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/FilterBlockInputStream.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index d9f0c9142a7..2f6115863cf 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -44,7 +44,7 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
         && !constant_filter_description.always_true)
     {
         /// Replace the filter column to a constant with value 1.
-        auto header_filter_elem = header.getByPosition(filter_column);
+        auto & header_filter_elem = header.getByPosition(filter_column);
         header_filter_elem.column = header_filter_elem.type->createColumnConst(header.rows(), UInt64(1));
     }
 }