ClickHouse

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#include <Functions/FunctionFactory.h>
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#include <Functions/DateTimeTransforms.h>
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#include <Functions/FunctionDateOrDateTimeToSomething.h>
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#include <DataTypes/DataTypesNumber.h>
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namespace DB
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{
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using FunctionToISOYear = FunctionDateOrDateTimeToSomething<DataTypeUInt16, ToISOYearImpl>;
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REGISTER_FUNCTION(ToISOYear)
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{
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    factory.registerFunction<FunctionToISOYear>();
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}
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}
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