```
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:
```
#pragma once
#include "PolygonDictionary.h"
#include "PolygonDictionaryUtils.h"
#include <vector>
namespace DB
{
/** Simple implementation of the polygon dictionary. Doesn't generate anything during its construction.
  * Iterates over all stored polygons for each query, checking each of them in linear time.
  * Retrieves the polygon with the smallest area containing the given point.
  * If there is more than one any such polygon may be returned.
  */
class PolygonDictionarySimple : public IPolygonDictionary