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/sun/rowset/CachedRowSetImpl.java