From 130166ea0b8a396a3d1fc211c8f2b111e15ae53c Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Wed, 8 Mar 2017 00:35:34 +0300
Subject: [PATCH] If for Nullable: continued [#CLICKHOUSE-2873].

---
 dbms/include/DB/Functions/FunctionsConditional.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/include/DB/Functions/FunctionsConditional.h b/dbms/include/DB/Functions/FunctionsConditional.h
index f00384515ce..168d7f1dcf8 100644
--- a/dbms/include/DB/Functions/FunctionsConditional.h
+++ b/dbms/include/DB/Functions/FunctionsConditional.h
@@ -1336,8 +1336,8 @@ private:
 
 			executeImpl(temporary_block, {0, 1, 2}, 3);
 
-			block.getByPosition(result).column = temporary_block.getByPosition(3).column;
 			ColumnPtr & result_column = block.getByPosition(result).column;
+			result_column = temporary_block.getByPosition(3).column;
 
 			if (ColumnNullable * result_nullable = typeid_cast<ColumnNullable *>(result_column.get()))
 			{