public void setOriginal() throws SQLException {
      for (Iterator<?> i = rvh.iterator(); i.hasNext();) {
         Row row = (Row)i.next();
         makeRowOriginal(row);
         // remove deleted rows from the collection.
         if (row.getDeleted() == true) {
            i.remove();
            --numRows;
         }
      }
      numDeleted = 0;

      // notify any listeners that the rowset has changed
      notifyRowSetChanged();
   }
Marks all rows in this rowset as being original rows. Any updates
made to the rows become the original values for the rowset.
Calls to the method <code>setOriginal</code> connot be reversed.

@throws SQLException if an error occurs
src/main/java/org/replicadb/rowset/StreamingRowSetImpl.java