```
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]
```
};
        static constexpr Int64 key_range_requires_update = -1;
        HashMap<UInt64, Range> already_processed_keys_to_range [[maybe_unused]];
        if constexpr (std::is_same_v<Strategy, GetAllDescendantsStrategy>)
            already_processed_keys_to_range.reserve(keys_size);
        struct KeyAndDepth
        {
            UInt64 key;
            Int64 depth;
        };
        HashSet<UInt64> already_processed_keys_during_loop;
        already_processed_keys_during_loop.reserve(keys_size);
        PaddedPODArray<KeyAndDepth> next_keys_to_process_stack;
        next_keys_to_process_stack.reserve(keys_size);
        Int64 level = static_cast<Int64>(strategy.level);
        for (size_t i = 0; i < keys_size; ++i)
        {
            const UInt64 & requested_key = keys[i];
            if (parent_to_children_keys_range.find(requested_key) == nullptr)
            {
                descendants_offsets.emplace_back(descendants.size());
                continue;
            }
            ++valid_keys;
            next_keys_to_process_stack.emplace_back(KeyAndDepth{requested_key, 0});
            /** To cache range for key without recursive function calls and custom stack we put special
              * signaling value on stack key_range_requires_update.
              * When we pop such value from stack that means processing descendants for key is finished
              * and we can update range with end_index.
              */