```
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:
```
{
public:
    PolygonDictionaryIndexCell(
            const StorageID & dict_id_,
            const DictionaryStructure & dict_struct_,
            DictionarySourcePtr source_ptr_,
            DictionaryLifetime dict_lifetime_,
            InputType input_type_,
            PointType point_type_,
            size_t min_intersections_,
            size_t max_depth_);
    std::shared_ptr<const IExternalLoadable> clone() const override;
    static constexpr size_t kMinIntersectionsDefault = 1;
    static constexpr size_t kMaxDepthDefault = 5;
private:
    bool find(const Point & point, size_t & id) const override;
    GridRoot<FinalCellWithSlabs> index;
    const size_t min_intersections;
    const size_t max_depth;
};
}