From 0ca3ead0cb7a1554011118ecf3447b839c70caf2 Mon Sep 17 00:00:00 2001
From: Aaron Gao <gzh@fb.com>
Date: Thu, 27 Apr 2017 14:15:30 -0700
Subject: [PATCH] add GetRootDB() in DeleteFilesInRange

Summary:
In case users cast a subclass of db* into dbimpl*
Closes https://github.com/facebook/rocksdb/pull/2222

Differential Revision: D4964486

Pulled By: lightmark

fbshipit-source-id: 0ccdc08ee8e7a193dfbbe0218c3cbfd795662ca1
---
 db/convenience.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db/convenience.cc b/db/convenience.cc
index 3618e44b0c..68910508d9 100644
--- a/db/convenience.cc
+++ b/db/convenience.cc
@@ -21,7 +21,7 @@ void CancelAllBackgroundWork(DB* db, bool wait) {
 
 Status DeleteFilesInRange(DB* db, ColumnFamilyHandle* column_family,
                           const Slice* begin, const Slice* end) {
-  return (dynamic_cast<DBImpl*>(db))
+  return (dynamic_cast<DBImpl*>(db->GetRootDB()))
       ->DeleteFilesInRange(column_family, begin, end);
 }