```
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]
```
{
    if constexpr (dictionary_key_type == DictionaryKeyType::Simple)
    {
        if (hierarchical_index)
            return hierarchical_index;
        size_t hierarchical_attribute_index = *dict_struct.hierarchical_attribute_index;
        const auto & hierarchical_attribute = attributes[hierarchical_attribute_index];
        const AttributeContainerType<UInt64> & parent_keys_container = std::get<AttributeContainerType<UInt64>>(hierarchical_attribute.container);
        const auto & key_attribute_container = key_attribute.container;
        HashMap<size_t, UInt64> index_to_key;
        index_to_key.reserve(key_attribute.container.size());
        for (auto & [key, value] : key_attribute_container)
            index_to_key[value] = key;
        HashMap<UInt64, PaddedPODArray<UInt64>> parent_to_child;
        parent_to_child.reserve(index_to_key.size());
        for (size_t i = 0; i < parent_keys_container.size(); ++i)
        {
            const auto * it = index_to_key.find(i);
            if (it == index_to_key.end())
                continue;
            auto child_key = it->getMapped();
            auto parent_key = parent_keys_container[i];
            parent_to_child[parent_key].emplace_back(child_key);
        }
        return std::make_shared<DictionaryHierarchicalParentToChildIndex>(parent_to_child);