From 071e31a7fae894d7007e286b590f6f27193980f3 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Tue, 25 Nov 2014 19:33:01 +0300
Subject: [PATCH] Revert "dbms: fix column names asynchrony in SELECT from
 StorageDistributed. [#METR-13399]"

This reverts commit f68d3226e0e55179b4cd734477f0aa45b669d6fa.
---
 dbms/src/Storages/StorageDistributed.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dbms/src/Storages/StorageDistributed.cpp b/dbms/src/Storages/StorageDistributed.cpp
index 25f339f34cb..e36f96d46ed 100644
--- a/dbms/src/Storages/StorageDistributed.cpp
+++ b/dbms/src/Storages/StorageDistributed.cpp
@@ -21,9 +21,9 @@ namespace
 {
 	/// select query has database and table names as AST pointers
 	/// Создает копию запроса, меняет имена базы данных и таблицы.
-	inline ASTPtr rewriteSelectQuery(ASTPtr & query, const std::string & database, const std::string & table)
+	inline ASTPtr rewriteSelectQuery(const ASTPtr & query, const std::string & database, const std::string & table)
 	{
-		auto & modified_query_ast = query;
+		auto modified_query_ast = query->clone();
 
 		auto & actual_query = typeid_cast<ASTSelectQuery &>(*modified_query_ast);
 		actual_query.database = new ASTIdentifier{{}, database, ASTIdentifier::Database};