Function sum_numeric

src/expr/src/relation/func.rs:176–193

(datums: I)

}

fn sum_numeric<'a, I>(datums: I) -> Datum<'a>
where
    I: IntoIterator<Item = Datum<'a>>,
{
    let mut cx = numeric::cx_datum();
    let mut sum = Numeric::zero();
    let mut empty = true;
    for d in datums {
        if !d.is_null() {
            empty = false;
            cx.add(&mut sum, &d.unwrap_numeric().0);
        }
    }
    match empty {
        true => Datum::Null,
        false => Datum::from(sum),
    }
}

fn count<'a, I>(datums: I) -> Datum<'a>
where