Function masked_bytes

arrow-select/src/dictionary.rs:360–372

Compute [`get_masked_values`] for a [`GenericByteArray`] Note: this does not check the null mask and will return values contained in null slots

(
    array: &'a GenericByteArray<T>,
    mask: &BooleanBuffer,
)

///
/// Note: this does not check the null mask and will return values contained in null slots
fn masked_bytes<'a, T: ByteArrayType>(
    array: &'a GenericByteArray<T>,
    mask: &BooleanBuffer,
) -> Vec<(usize, Option<&'a [u8]>)> {
    let mut out = Vec::with_capacity(mask.count_set_bits());
    for idx in mask.set_indices() {
        out.push((
            idx,
            array.is_valid(idx).then_some(array.value(idx).as_ref()),
        ))
    }
    out
}

#[cfg(test)]
mod tests {