ClickHouse

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#include <DataTypes/IDataType.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionMathUnary.h>
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namespace DB
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{
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namespace
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{
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    struct DegreesName
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    {
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        static constexpr auto name = "degrees";
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    };
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    Float64 degrees(Float64 r)
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    {
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        Float64 degrees = r * (180 / M_PI);
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        return degrees;
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    }
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    using FunctionDegrees = FunctionMathUnary<UnaryFunctionVectorized<DegreesName, degrees>>;
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}
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REGISTER_FUNCTION(Degrees)
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{
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    factory.registerFunction<FunctionDegrees>({}, FunctionFactory::CaseInsensitive);
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}
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}
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