2021-10-27 23:10:39 +00:00
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#include "config_functions.h"
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2021-09-21 01:50:45 +00:00
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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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2021-10-02 07:13:14 +00:00
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#include <base/range.h>
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2021-09-21 01:50:45 +00:00
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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 FunctionH3IsPentagon : public IFunction
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{
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public:
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2021-09-21 05:57:43 +00:00
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static constexpr auto name = "h3IsPentagon";
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2021-09-21 01:50:45 +00:00
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionH3IsPentagon>(); }
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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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2021-09-23 18:01:38 +00:00
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const auto * column = checkAndGetColumn<ColumnUInt64>(arguments[0].column.get());
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const auto & data = column->getData();
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2021-09-21 01:50:45 +00:00
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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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2021-09-23 05:50:33 +00:00
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for (size_t row = 0 ; row < input_rows_count ; row++)
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2021-09-21 01:50:45 +00:00
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{
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2021-09-23 05:50:33 +00:00
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UInt8 res = isPentagon(data[row]);
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2021-09-21 01:50:45 +00:00
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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 registerFunctionH3IsPentagon(FunctionFactory & factory)
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{
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factory.registerFunction<FunctionH3IsPentagon>();
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}
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}
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#endif
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