public void clearUpdated() {
        updated = false;
        for (int i = 0; i < numCols; i++) {
            currentVals[i] = null;
            colsChanged.clear(i);
        }
    }
Sets the <code>updated</code> field for this <code>Row</code> object to
<code>false</code>, sets all the column values in this <code>Row</code>
object's internal array of current values to <code>null</code>, and clears
all of the bits in the <code>BitSet</code> object maintained by this
<code>Row</code> object.
src/main/java/org/replicadb/rowset/sun/rowset/internal/Row.java