code: func (s *LDBStore) doPut(chunk Chunk, index *dpaDBIndex, po uint8) {
  	data := s.encodeDataFunc(chunk)
  	dkey := getDataKey(s.dataIdx, po)
  	s.batch.Put(dkey, data)
  	index.Idx = s.dataIdx
  	s.bucketCnt[po] = s.dataIdx
  	s.entryCnt++
  	dbEntryCount.Inc(1)
  	s.dataIdx++
  	index.Access = s.accessCnt
  	s.accessCnt++
  	cntKey := make([]byte, 2)
  	cntKey[0] = keyDistanceCnt
  	cntKey[1] = po
  	s.batch.Put(cntKey, U64ToBytes(s.bucketCnt[po]))
  }
docs: // force putting into db, does not check or update necessary indices