Function hash_single_array

datafusion/common/src/hash_utils.rs:974–1043

(
    array: &dyn Array,
    random_state: &RandomState,
    hashes_buffer: &mut [u64],
    rehash: bool,
)

/// the hash values in the buffer.
#[cfg(not(feature = "force_hash_collisions"))]
fn hash_single_array(
    array: &dyn Array,
    random_state: &RandomState,
    hashes_buffer: &mut [u64],
    rehash: bool,
) -> Result<()> {
    downcast_primitive_array! {
        array => hash_array_primitive(array, random_state, hashes_buffer, rehash),
        DataType::Null => hash_null(random_state, hashes_buffer, rehash),
        DataType::Boolean => hash_array(&as_boolean_array(array)?, random_state, hashes_buffer, rehash),
        DataType::Utf8 => hash_array(&as_string_array(array)?, random_state, hashes_buffer, rehash),
        DataType::Utf8View => hash_generic_byte_view_array(as_string_view_array(array)?, random_state, hashes_buffer, rehash),
        DataType::LargeUtf8 => hash_array(&as_largestring_array(array), random_state, hashes_buffer, rehash),
        DataType::Binary => hash_array(&as_generic_binary_array::<i32>(array)?, random_state, hashes_buffer, rehash),
        DataType::BinaryView => hash_generic_byte_view_array(as_binary_view_array(array)?, random_state, hashes_buffer, rehash),
        DataType::LargeBinary => hash_array(&as_generic_binary_array::<i64>(array)?, random_state, hashes_buffer, rehash),
        DataType::FixedSizeBinary(_) => {
            let array: &FixedSizeBinaryArray = array.as_any().downcast_ref().unwrap();
            hash_array(&array, random_state, hashes_buffer, rehash)
        }
        DataType::Dictionary(_, _) => downcast_dictionary_array! {
            array => hash_dictionary(array, random_state, hashes_buffer, rehash)?,
            _ => unreachable!()
        }
        DataType::Struct(_) => {
            let array = as_struct_array(array)?;
            hash_struct_array(array, random_state, hashes_buffer)?;
        }
        DataType::List(_) => {
            let array = as_list_array(array)?;
            hash_list_array(array, random_state, hashes_buffer)?;
        }
        DataType::LargeList(_) => {
            let array = as_large_list_array(array)?;
            hash_list_array(array, random_state, hashes_buffer)?;
        }
        DataType::ListView(_) => {
            let array = as_list_view_array(array)?;
            hash_list_view_array(array, random_state, hashes_buffer)?;
        }
        DataType::LargeListView(_) => {
            let array = as_large_list_view_array(array)?;
            hash_list_view_array(array, random_state, hashes_buffer)?;
        }
        DataType::Map(_, _) => {
            let array = as_map_array(array)?;
            hash_map_array(array, random_state, hashes_buffer)?;
        }
        DataType::FixedSizeList(_,_) => {
            let array = as_fixed_size_list_array(array)?;
            hash_fixed_list_array(array, random_state, hashes_buffer)?;
        }
        DataType::Union(_, _) => {
            let array = as_union_array(array)?;
            hash_union_array(array, random_state, hashes_buffer)?;
        }
        DataType::RunEndEncoded(_, _) => downcast_run_array! {
            array => hash_run_array(array, random_state, hashes_buffer, rehash)?,