From 984e81876a80f52b7e5ecae7a3509a4ee6c68489 Mon Sep 17 00:00:00 2001
From: Vladimir Chebotarev <vladimir.chebotarev@gmail.com>
Date: Sat, 7 Dec 2019 22:30:37 +0300
Subject: [PATCH] Fixed Clang build.

---
 dbms/src/Storages/MergeTree/MergeTreeDataPart.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/Storages/MergeTree/MergeTreeDataPart.h b/dbms/src/Storages/MergeTree/MergeTreeDataPart.h
index d7bbcaece7f..22a2d81a05f 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeDataPart.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeDataPart.h
@@ -23,7 +23,7 @@ namespace DB
 
 struct ColumnSize;
 class MergeTreeData;
-class FutureMergedMutatedPart;
+struct FutureMergedMutatedPart;
 
 
 /// Description of the data part.