Fix empty vector write in ForwardIterator

9 years ago · cb9459f85c
parent a163cc2d5a
commit cb9459f85c
1 changed files with 1 additions and 1 deletions
--- a/db/forward_iterator.cc
+++ b/db/forward_iterator.cc
@ -575,8 +575,8 @@ void ForwardIterator::BuildLevelIterators(const VersionStorageInfo* vstorage) {
         (user_comparator_->Compare(*read_options_.iterate_upper_bound,
                                    level_files[0]->smallest.user_key()) <
          0))) {
-      level_iters_[level - 1] = nullptr;
      if (!level_files.empty()) {
+        level_iters_[level - 1] = nullptr;
        has_iter_trimmed_for_upper_bound_ = true;
      }
    } else {