@ConstantFunction(name = "add", argTypes = {BIGINT, BIGINT}, returnType = BIGINT, isMonotonic = true)
    public static ConstantOperator addBigInt(ConstantOperator first, ConstantOperator second) {
        return ConstantOperator.createBigint(Math.addExact(first.getBigint(), second.getBigint()));
    }
@Test
    public void addBigInt() {
        assertEquals(200, ScalarOperatorFunctions.addBigInt(O_BI_100, O_BI_100).getBigint());
    }