private Iterator<Row<ByteBuffer,UUID>> rowScan(final DeltaPlacement placement,final ByteBufferRange rowRange,final ByteBufferRange columnRange,final LimitCounter limit,final ReadConsistency consistency){
  return rowScan(placement,placement.getDeltaColumnFamily(),rowRange,columnRange,limit,consistency);
}

private Iterator < Row < ByteBuffer , UUID > > rowScan ( final DeltaPlacement placement , final ByteBufferRange rowRange , final ByteBufferRange columnRange , final LimitCounter limit , final ReadConsistency consistency ) { return rowScan ( placement , placement . getDeltaColumnFamily ( ) , rowRange , columnRange , limit , consistency ) ; }
scans for rows within the specified range , exclusive on start and inclusive on end .
