Function get_count_with_validity

datafusion/functions-nested/src/repeat.rs:315–322

(count_array: &Int64Array, idx: usize)

/// Return 0 for null values or non-positive count.
#[inline]
fn get_count_with_validity(count_array: &Int64Array, idx: usize) -> usize {
    if count_array.is_null(idx) {
        0
    } else {
        let c = count_array.value(idx);
        if c > 0 { c as usize } else { 0 }
    }
}