@ConstantFunction(name = "bitxor", argTypes = {LARGEINT, LARGEINT}, returnType = LARGEINT)
    public static ConstantOperator bitxorLargeInt(ConstantOperator first, ConstantOperator second) {
        return ConstantOperator.createLargeInt(first.getLargeInt().xor(second.getLargeInt()));
    }
@Test
    public void bitxorLargeInt() {
        assertEquals("0", ScalarOperatorFunctions.bitxorLargeInt(O_LI_100, O_LI_100).getLargeInt().toString());
    }