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H3 - add func ResIsClassIII
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82
src/Functions/h3ResIsClassIII.cpp
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82
src/Functions/h3ResIsClassIII.cpp
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@ -0,0 +1,82 @@
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#if !defined(ARCADIA_BUILD)
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# include "config_functions.h"
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#endif
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#if USE_H3
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#include <Columns/ColumnsNumber.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/IFunction.h>
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#include <Common/typeid_cast.h>
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#include <common/range.h>
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#include <h3api.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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}
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namespace
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{
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class FunctionH3ResIsClassIII : public IFunction
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{
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public:
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static constexpr auto name = "h3ResIsClassIII";
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionH3ResIsClassIII>(); }
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std::string getName() const override { return name; }
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size_t getNumberOfArguments() const override { return 1; }
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bool useDefaultImplementationForConstants() const override { return true; }
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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const auto * arg = arguments[0].get();
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if (!WhichDataType(arg).isUInt64())
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of argument {} of function {}. Must be UInt64",
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arg->getName(), 1, getName());
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return std::make_shared<DataTypeUInt8>();
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}
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ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
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{
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const auto * col_hindex = arguments[0].column.get();
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auto dst = ColumnVector<UInt8>::create();
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auto & dst_data = dst->getData();
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dst_data.resize(input_rows_count);
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for (const auto row : collections::range(0, input_rows_count))
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{
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const UInt64 hindex = col_hindex->getUInt(row);
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UInt8 res = isResClassIII(hindex);
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dst_data[row] = res;
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}
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return dst;
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}
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};
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}
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void registerFunctionH3ResIsClassIII(FunctionFactory & factory)
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{
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factory.registerFunction<FunctionH3ResIsClassIII>();
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}
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}
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#endif
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@ -42,6 +42,7 @@ void registerFunctionH3IndexesAreNeighbors(FunctionFactory &);
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void registerFunctionStringToH3(FunctionFactory &);
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void registerFunctionH3ToString(FunctionFactory &);
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void registerFunctionH3HexAreaM2(FunctionFactory &);
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void registerFunctionH3ResIsClassIII(FunctionFactory &);
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#endif
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#if USE_S2_GEOMETRY
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@ -95,6 +96,7 @@ void registerFunctionsGeo(FunctionFactory & factory)
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registerFunctionStringToH3(factory);
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registerFunctionH3ToString(factory);
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registerFunctionH3HexAreaM2(factory);
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registerFunctionH3ResIsClassIII(factory);
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#endif
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#if USE_S2_GEOMETRY
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