Method SetCompactPointer

src/leveldb/db/version_edit.h:56–58

    last_sequence_ = seq;
  }
  void SetCompactPointer(int level, const InternalKey& key) {
    compact_pointers_.push_back(std::make_pair(level, key));
  }

  // Add the specified file at the specified number.
  // REQUIRES: This version has not been saved (see VersionSet::SaveTo)