You have to provide the following information whenever possible.

**Describe the bug**

Interval data type is not passed correctly from subquery

**Does it reproduce on recent release?**

Yes, tested on 21.6.5.37.

**How to reproduce**

```sql
SELECT
    toIntervalDay(5) AS interval,
    now() + interval AS res

┌─interval─┬─────────────────res─┐
│        5 │ 2021-07-03 13:11:45 │
└──────────┴─────────────────────┘
```

But if I wrap interval calculation in subquery:

```sql
SELECT
    (SELECT toIntervalDay(5)) AS interval,
    now() + interval AS res

Received exception from server (version 21.6.5):
Code: 70. DB::Exception: Received from localhost:9000. DB::Exception: Conversion from Int8 to IntervalDay is not supported: While processing CAST(5, 'IntervalDay') AS interval, now() + interval AS res.
```

**Expected behavior**

Both queries should work the same way.
{
            const auto & from_names = from_type->getElementNames();
            std::unordered_map<String, size_t> from_positions;
            from_positions.reserve(from_names.size());
            for (size_t i = 0; i < from_names.size(); ++i)
                from_positions[from_names[i]] = i;
            const auto & to_names = to_type->getElementNames();
            element_wrappers.reserve(to_names.size());
            to_reverse_index.reserve(from_names.size());
            for (size_t i = 0; i < to_names.size(); ++i)
            {
                auto it = from_positions.find(to_names[i]);
                if (it != from_positions.end())
                {
                    element_wrappers.emplace_back(prepareUnpackDictionaries(from_element_types[it->second], to_element_types[i]));
                    to_reverse_index.emplace_back(it->second);
                }
                else
                {
                    element_wrappers.emplace_back();
                    to_reverse_index.emplace_back();
                }
            }
        }
        else
        {
            if (from_element_types.size() != to_element_types.size())
                throw Exception{"CAST AS Tuple can only be performed between tuple types with the same number of elements or from String.\n"
                    "Left type: " + from_type->getName() + ", right type: " + to_type->getName(), ErrorCodes::TYPE_MISMATCH};
            element_wrappers = getElementWrappers(from_element_types, to_element_types);