ClickHouse/src/Functions/polygonsDistance.cpp

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// #include <Functions/FunctionFactory.h>
// #include <Functions/geometryConverters.h>
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// #include <boost/geometry.hpp>
// #include <boost/geometry/geometries/point_xy.hpp>
// #include <boost/geometry/geometries/polygon.hpp>
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// #include <common/logger_useful.h>
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// #include <Columns/ColumnArray.h>
// #include <Columns/ColumnTuple.h>
// #include <Columns/ColumnConst.h>
// #include <Columns/ColumnsNumber.h>
// #include <DataTypes/DataTypesNumber.h>
// #include <DataTypes/DataTypeArray.h>
// #include <DataTypes/DataTypeTuple.h>
// #include <DataTypes/DataTypeCustomGeo.h>
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// #include <memory>
// #include <utility>
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// namespace DB
// {
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// template <typename Point>
// class FunctionPolygonsDistance : public IFunction
// {
// public:
// static inline const char * name;
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// explicit FunctionPolygonsDistance() = default;
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// static FunctionPtr create(const Context &)
// {
// return std::make_shared<FunctionPolygonsDistance>();
// }
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// String getName() const override
// {
// return name;
// }
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// bool isVariadic() const override
// {
// return false;
// }
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// size_t getNumberOfArguments() const override
// {
// return 2;
// }
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// DataTypePtr getReturnTypeImpl(const DataTypes &) const override
// {
// return std::make_shared<DataTypeFloat64>();
// }
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// ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & /*result_type*/, size_t input_rows_count) const override
// {
// checkColumnTypeOrThrow<Point, MultiPolygon>(arguments[0]);
// auto first_parser = MultiPolygonFromColumnParser<Point>(std::move(arguments[0].column->convertToFullColumnIfConst()));
// MultiPolygon<Point> first_container;
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// checkColumnTypeOrThrow<Point, MultiPolygon>(arguments[1]);
// auto second_parser = MultiPolygonFromColumnParser<Point>(std::move(arguments[1].column->convertToFullColumnIfConst()));
// MultiPolygon<Point> second_container;
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// auto res_column = ColumnFloat64::create();
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// for (size_t i = 0; i < input_rows_count; i++)
// {
// first_parser.get(first_container, i);
// second_parser.get(second_container, i);
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// boost::geometry::correct(first_container);
// boost::geometry::correct(second_container);
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// res_column->insertValue(boost::geometry::distance(first_container, second_container));
// }
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// return res_column;
// }
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// bool useDefaultImplementationForConstants() const override
// {
// return true;
// }
// };
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// template <>
// const char * FunctionPolygonsDistance<CartesianPoint>::name = "polygonsDistanceCartesian";
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// template <>
// const char * FunctionPolygonsDistance<GeographicPoint>::name = "polygonsDistanceGeographic";
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// void registerFunctionPolygonsDistance(FunctionFactory & factory)
// {
// factory.registerFunction<FunctionPolygonsDistance<CartesianPoint>>();
// factory.registerFunction<FunctionPolygonsDistance<GeographicPoint>>();
// }
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// }