Function contains_nulls

arrow-data/src/data.rs:34–48

(
    null_bit_buffer: Option<&NullBuffer>,
    offset: usize,
    len: usize,
)

#[inline]
pub(crate) fn contains_nulls(
    null_bit_buffer: Option<&NullBuffer>,
    offset: usize,
    len: usize,
) -> bool {
    match null_bit_buffer {
        Some(buffer) => {
            match BitSliceIterator::new(buffer.validity(), buffer.offset() + offset, len).next() {
                Some((start, end)) => start != 0 || end != len,
                None => len != 0, // No non-null values
            }
        }
        None => false, // No null buffer
    }
}

#[inline]
pub(crate) fn count_nulls(