@Override
  public int numberOfCompleteRows() {
    return numberOfCompleteRows;
  }
A ScanResultCache that may return partial result.
<p>
As we can only scan from the starting of a row when error, so here we also implement the logic
that skips the cells that have already been returned.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AllowPartialScanResultCache.java