code: public int copyTo(byte []buffer, int rowOffset, int blobTail)
    {
      byte []blockBuffer = _block.getBuffer();
  
      System.arraycopy(blockBuffer, _rowOffset, buffer, rowOffset, _length);
  
      return _row.copyBlobs(blockBuffer, _rowOffset, buffer, rowOffset,
                            blobTail);
    }
docs: Copies the row and its inline blobs to the target buffer.
  
  @return -1 if the row or the blobs can't fit in the new buffer.