From a9c99fd12a65b7b56a3fbd8b4c2aa1fc6337ab2a Mon Sep 17 00:00:00 2001
From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Fri, 2 Dec 2016 13:19:16 -0500
Subject: [PATCH] kv: make kvdb can print itself statistics.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---
 src/kv/KeyValueDB.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/kv/KeyValueDB.h b/src/kv/KeyValueDB.h
index cb44f113b79..cfaea4b6ffd 100644
--- a/src/kv/KeyValueDB.h
+++ b/src/kv/KeyValueDB.h
@@ -11,6 +11,7 @@
 #include "include/memory.h"
 #include <boost/scoped_ptr.hpp>
 #include "include/encoding.h"
+#include "common/Formatter.h"
 
 using std::string;
 /**
@@ -312,6 +313,9 @@ public:
     return -EOPNOTSUPP;
   }
 
+  virtual void get_statistics(Formatter *f) {
+    return;
+  }
 protected:
   /// List of matching prefixes and merge operators
   std::vector<std::pair<std::string,
-- 
2.47.3