From fa2610e0961500800ae2da14a7c0f98e03afd8c3 Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Mon, 22 Jul 2019 19:46:42 +0300
Subject: [PATCH] Fix CAST from LowCardinality(Nullable).

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

diff --git a/dbms/src/Columns/ColumnLowCardinality.cpp b/dbms/src/Columns/ColumnLowCardinality.cpp
index 47433942c51..1dbb3f8574f 100644
--- a/dbms/src/Columns/ColumnLowCardinality.cpp
+++ b/dbms/src/Columns/ColumnLowCardinality.cpp
@@ -614,7 +614,7 @@ bool ColumnLowCardinality::Index::containsDefault() const
 {
     bool contains = false;
 
-    auto check_contains_default = [&](auto & x)
+    auto check_contains_default = [&](auto x)
     {
         using CurIndexType = decltype(x);
         auto & data = getPositionsData<CurIndexType>();