From 172b9ec84c2f8eb1ef423a807226aeea3fe85d58 Mon Sep 17 00:00:00 2001
From: sdong <siying.d@fb.com>
Date: Tue, 1 Oct 2019 16:50:15 -0700
Subject: [PATCH] Fix a bug of the previous fix.

---
 table/merging_iterator.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/table/merging_iterator.cc b/table/merging_iterator.cc
index a76b91e75..592eddfb4 100644
--- a/table/merging_iterator.cc
+++ b/table/merging_iterator.cc
@@ -130,8 +130,10 @@ class MergingIterator : public InternalIterator {
     ClearHeaps();
     status_ = Status::OK();
     for (auto& child : children_) {
-      PERF_TIMER_GUARD(seek_child_seek_time);
-      child.Seek(target);
+      {
+        PERF_TIMER_GUARD(seek_child_seek_time);
+        child.Seek(target);
+      }
       PERF_COUNTER_ADD(seek_child_seek_count, 1);
 
       if (child.Valid()) {