After such successful queries:

```sql
CREATE DATABASE testlazy ENGINE = Lazy(1);
CREATE TABLE testlazy.`таблица_со_странным_названием` (a UInt64, b UInt64) ENGINE = Log;
```
Server failed to restart with error:
```
<Error> Application: filesystem error: in posix_stat: failed to determine attributes for the specified path: File name too long [/home/avogar/tmp/server/metadata/testlazy/%25D1%2582%25D0%25B0%25D0%25B1%25D0%25BB%25D0%25B8%25D1%2586%25D0%25B0_%25D1%2581%25D0%25BE_%25D1%2581%25D1%2582%25D1%2580%25D0%25B0%25D0%25BD%25D0%25BD%25D1%258B%25D0%25BC_%25D0%25BD%25D0%25B0%25D0%25B7%25D0%25B2%25D0%25B0%25D0%25BD%25D0%25B8%25D0%25B5%25D0%25BC.sql]
```

Found in https://github.com/ClickHouse/ClickHouse/pull/27928
{
    std::lock_guard lock(mutex);
    Strings filtered_tables;
    for (const auto & [table_name, cached_table] : tables_cache)
    {
        if (!filter_by_table_name || filter_by_table_name(table_name))
            filtered_tables.push_back(table_name);
    }
    std::sort(filtered_tables.begin(), filtered_tables.end());
    return std::make_unique<DatabaseLazyIterator>(*this, std::move(filtered_tables));
}
bool DatabaseLazy::empty() const
{
    return tables_cache.empty();
}
void DatabaseLazy::attachTable(const String & table_name, const StoragePtr & table, const String &)