From 2b235f1b1abf70bda2a563ea2c7977c4c9fa1188 Mon Sep 17 00:00:00 2001
From: alesapin <alesapin@gmail.com>
Date: Tue, 31 Mar 2020 22:33:37 +0300
Subject: [PATCH] Remove dynamic cast from check

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

diff --git a/dbms/src/Storages/StorageReplicatedMergeTree.cpp b/dbms/src/Storages/StorageReplicatedMergeTree.cpp
index 90c0d3418e6..336fef069d0 100644
--- a/dbms/src/Storages/StorageReplicatedMergeTree.cpp
+++ b/dbms/src/Storages/StorageReplicatedMergeTree.cpp
@@ -3336,7 +3336,7 @@ void StorageReplicatedMergeTree::alter(
         }
         else if (rc == Coordination::ZBADVERSION)
         {
-            if (dynamic_cast<const Coordination::SetResponse &>(*results[0]).error)
+            if (results[0]->error)
                 throw Exception("Metadata on replica is not up to date with common metadata in Zookeeper. Cannot alter", ErrorCodes::CANNOT_ASSIGN_ALTER);
 
             continue;