Method clone

src/core/algorithm/flat_sparse/flat_sparse_streamer_entity.cc:539–544

}

FlatSparseStreamerEntity::Pointer FlatSparseStreamerEntity::clone() const {
  auto entity = new (std::nothrow) FlatSparseStreamerEntity(
      stats_, meta_, streamer_meta_, keys_map_lock_, keys_map_,
      sparse_data_chunks_, sparse_offset_chunks_);
  return FlatSparseStreamerEntity::Pointer(entity);
}

int FlatSparseStreamerEntity::add(uint64_t key,
                                  const std::string &sparse_vector,