```
create table default.test_parent
(
    id        UInt64,
    parent_id Nullable(UInt64)
) engine = MergeTree

create dictionary default.d4test_parent
    ( id UInt64,
    parent_id  Nullable(UInt64) HIERARCHICAL
    )
    PRIMARY KEY id
    SOURCE (CLICKHOUSE(DB 'default' TABLE 'test_parent'))
    LIFETIME (MIN 0 MAX 0)
    LAYOUT (HASHED)
;
insert into default.test_parent
values (1, null),
       (2, 3),
       (3, 1),
       (4, 2)
;
system reload dictionary default.d4test_parent
;
select dictGetDescendants('default.d4test_parent', toUInt64(2))
;
```

Code: 53. DB::Exception: default.d4test_parent (443f6664-e217-44ec-80e2-bbec982b4963): type mismatch: column has wrong type expected UInt64: While processing dictGetDescendants('default.d4test_parent', 2). (TYPE_MISMATCH) (version 22.3.2.1)


On old versions no errors
```
select version()
-- 21.11.6.7
;
select dictGetDescendants('default.d4test_parent', toUInt64(2))
-- [4]
```
{
    const auto size = dict_struct.attributes.size();
    attributes.reserve(size);
    for (const auto & attribute : dict_struct.attributes)
        attributes.push_back(createAttribute(attribute));
}
void FlatDictionary::blockToAttributes(const Block & block)
{
    const auto keys_column = block.safeGetByPosition(0).column;
    DictionaryKeysArenaHolder<DictionaryKeyType::Simple> arena_holder;
    DictionaryKeysExtractor<DictionaryKeyType::Simple> keys_extractor({ keys_column }, arena_holder.getComplexKeyArena());
    size_t keys_size = keys_extractor.getKeysSize();
    static constexpr size_t key_offset = 1;
    size_t attributes_size = attributes.size();
    if (unlikely(attributes_size == 0))
    {
        for (size_t i = 0; i < keys_size; ++i)
        {