```
SELECT *
FROM system.dictionaries
WHERE name LIKE 'XXXX%'

Row 1:
──────
database:                    default
name:                        XXXX_dict
uuid:                        00000000-0000-0000-0000-000000000000
status:                      LOADED
origin:                      default.XXXX_dict
type:                        Polygon
key:                         (Array(Array(Array(Array(Float64)))))
attribute.names:             ['name','id']
attribute.types:             ['String','String']
bytes_allocated:             0
query_count:                 0
hit_rate:                    1
element_count:               433731
load_factor:                 1
source:                      ClickHouse: default.XXXX
lifetime_min:                60
lifetime_max:                1800
loading_start_time:          2021-03-11 00:07:52
last_successful_update_time: 2021-03-11 00:08:24
loading_duration:            31.595
last_exception:
```
for (size_t i = 0; i < polygon_ids.size(); ++i)
    {
        auto & polygon = polygon_ids[i];
        correct_ids.emplace_back(ids[polygon.second]);
        polygons[i] = polygon.first;
    }
    ids = correct_ids;
}
void IPolygonDictionary::calculateBytesAllocated()
{
    
    for (const auto & column : attributes)
        bytes_allocated += column->allocatedBytes();
}
std::vector<IPolygonDictionary::Point> IPolygonDictionary::extractPoints(const Columns & key_columns)
{
    if (key_columns.size() != 2)
        throw Exception{"Expected two columns of coordinates", ErrorCodes::BAD_ARGUMENTS};
    const auto * column_x = typeid_cast<const ColumnVector<Float64>*>(key_columns[0].get());
    const auto * column_y = typeid_cast<const ColumnVector<Float64>*>(key_columns[1].get());
    if (!column_x || !column_y)
        throw Exception{"Expected columns of Float64", ErrorCodes::TYPE_MISMATCH};
    const auto rows = key_columns.front()->size();
    std::vector<Point> result;
    result.reserve(rows);
    for (const auto row : ext::range(0, rows))
        result.emplace_back(column_x->getElement(row), column_y->getElement(row));
    return result;
}
ColumnUInt8::Ptr IPolygonDictionary::hasKeys(const Columns & key_columns, const DataTypes &) const