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#include <Functions/FunctionFactory.h>
#include <Functions/DateTimeTransforms.h>
#include <Functions/FunctionDateOrDateTimeToSomething.h>
#include <DataTypes/DataTypesNumber.h>
namespace DB
{
using FunctionToHour = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToHourImpl>;
REGISTER_FUNCTION(ToHour)
{
factory.registerFunction<FunctionToHour>();
/// MysQL compatibility alias.
factory.registerAlias("HOUR", "toHour", FunctionFactory::CaseInsensitive);
}
}
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