2021-02-19 22:26:33 +00:00
|
|
|
// #include <Functions/FunctionFactory.h>
|
|
|
|
// #include <Functions/geometryConverters.h>
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// #include <boost/geometry.hpp>
|
|
|
|
// #include <boost/geometry/geometries/point_xy.hpp>
|
|
|
|
// #include <boost/geometry/geometries/polygon.hpp>
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// #include <common/logger_useful.h>
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// #include <Columns/ColumnArray.h>
|
|
|
|
// #include <Columns/ColumnTuple.h>
|
|
|
|
// #include <Columns/ColumnsNumber.h>
|
|
|
|
// #include <DataTypes/DataTypeArray.h>
|
|
|
|
// #include <DataTypes/DataTypeTuple.h>
|
|
|
|
// #include <DataTypes/DataTypeCustomGeo.h>
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// #include <memory>
|
|
|
|
// #include <string>
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// namespace DB
|
|
|
|
// {
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// template <typename Point>
|
|
|
|
// class FunctionPolygonConvexHull : public IFunction
|
|
|
|
// {
|
|
|
|
// public:
|
|
|
|
// static const char * name;
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// explicit FunctionPolygonConvexHull() = default;
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// static FunctionPtr create(const Context &)
|
|
|
|
// {
|
|
|
|
// return std::make_shared<FunctionPolygonConvexHull>();
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// String getName() const override
|
|
|
|
// {
|
|
|
|
// return name;
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// bool isVariadic() const override
|
|
|
|
// {
|
|
|
|
// return false;
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// size_t getNumberOfArguments() const override
|
|
|
|
// {
|
|
|
|
// return 1;
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// DataTypePtr getReturnTypeImpl(const DataTypes &) const override
|
|
|
|
// {
|
|
|
|
// return DataTypeCustomPolygonSerialization::nestedDataType();
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & /*result_type*/, size_t input_rows_count) const override
|
|
|
|
// {
|
|
|
|
// auto parser = getConverterBasedOnType<Point>(arguments[0]);
|
|
|
|
// auto figures = parseFigure(parser);
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// PolygonSerializer<Point> serializer;
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// for (size_t i = 0; i < input_rows_count; i++)
|
|
|
|
// {
|
|
|
|
// Polygon<Point> convex_hull{};
|
|
|
|
// boost::geometry::convex_hull(figures[i], convex_hull);
|
|
|
|
// serializer.add(convex_hull);
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// return serializer.finalize();
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// bool useDefaultImplementationForConstants() const override
|
|
|
|
// {
|
|
|
|
// return true;
|
|
|
|
// }
|
|
|
|
// };
|
2020-06-22 16:15:11 +00:00
|
|
|
|
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// template <>
|
|
|
|
// const char * FunctionPolygonConvexHull<CartesianPoint>::name = "polygonConvexHullCartesian";
|
2021-01-19 14:52:53 +00:00
|
|
|
|
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// void registerFunctionPolygonConvexHull(FunctionFactory & factory)
|
|
|
|
// {
|
|
|
|
// factory.registerFunction<FunctionPolygonConvexHull<CartesianPoint>>();
|
|
|
|
// }
|
2020-06-22 16:15:11 +00:00
|
|
|
|
2021-02-19 22:26:33 +00:00
|
|
|
// }
|