public void moveCurrentToOrig() {
        for (int i = 0; i < numCols; i++) {
            if (getColUpdated(i) == true) {
                origVals[i] = currentVals[i];
                currentVals[i] = null;
                colsChanged.clear(i);
            }
        }
        updated = false;
    }
Sets the column values in this <code>Row</code> object's internal
array of original values with the values in its internal array of
current values, sets all the values in this <code>Row</code>
object's internal array of current values to <code>null</code>,
clears all the bits in this <code>Row</code> object's internal bitset,
and sets its <code>updated</code> field to <code>false</code>.
<P>
This method is called internally by the <code>CachedRowSet</code>
method <code>makeRowOriginal</code>.
src/main/java/org/replicadb/rowset/sun/rowset/internal/Row.java