Function hash_fixed_list_array

datafusion/common/src/hash_utils.rs:841–871

(
    array: &FixedSizeListArray,
    random_state: &RandomState,
    hashes_buffer: &mut [u64],
)

#[cfg(not(feature = "force_hash_collisions"))]
fn hash_fixed_list_array(
    array: &FixedSizeListArray,
    random_state: &RandomState,
    hashes_buffer: &mut [u64],
) -> Result<()> {
    let values = array.values();
    let value_length = array.value_length() as usize;
    let nulls = array.nulls();
    let mut values_hashes = vec![0u64; values.len()];
    create_hashes([values], random_state, &mut values_hashes)?;
    if let Some(nulls) = nulls {
        for i in 0..array.len() {
            if nulls.is_valid(i) {
                let hash = &mut hashes_buffer[i];
                for values_hash in
                    &values_hashes[i * value_length..(i + 1) * value_length]
                {
                    *hash = combine_hashes(*hash, *values_hash);
                }
            }
        }
    } else {
        for i in 0..array.len() {
            let hash = &mut hashes_buffer[i];
            for values_hash in &values_hashes[i * value_length..(i + 1) * value_length] {
                *hash = combine_hashes(*hash, *values_hash);
            }
        }
    }
    Ok(())
}

/// Inner hash function for RunArray
#[inline(never)]