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771 lines
31 KiB
C++
771 lines
31 KiB
C++
#include <Functions/IFunction.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionHelpers.h>
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#include <DataTypes/DataTypeDate.h>
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#include <DataTypes/DataTypeDate32.h>
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#include <DataTypes/DataTypeDateTime.h>
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#include <DataTypes/DataTypeDateTime64.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <Columns/ColumnConst.h>
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#include <Columns/ColumnDecimal.h>
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#include <Columns/ColumnsDateTime.h>
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#include <Columns/ColumnsNumber.h>
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#include <Interpreters/castColumn.h>
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#include <Common/DateLUT.h>
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#include <Common/typeid_cast.h>
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#include <array>
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#include <cmath>
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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 BAD_ARGUMENTS;
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extern const int ARGUMENT_OUT_OF_BOUND;
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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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/// Functionality common to
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/// - makeDate, makeDate32, makeDateTime, makeDateTime64,
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/// - YYYYMMDDToDate, YYYYMMDDToDate32, YYYYMMDDhhmmssToDateTime, YYYYMMDDhhmmssToDateTime64
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class FunctionWithNumericParamsBase : public IFunction
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{
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public:
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
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bool useDefaultImplementationForConstants() const override { return true; }
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bool isVariadic() const override { return true; }
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size_t getNumberOfArguments() const override { return 0; }
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protected:
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template <class DataType = DataTypeFloat32, class ArgumentNames>
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Columns convertMandatoryArguments(const ColumnsWithTypeAndName & arguments, const ArgumentNames & argument_names) const
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{
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Columns converted_arguments;
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const DataTypePtr converted_argument_type = std::make_shared<DataType>();
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for (size_t i = 0; i < argument_names.size(); ++i)
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{
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ColumnPtr argument_column = castColumn(arguments[i], converted_argument_type);
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argument_column = argument_column->convertToFullColumnIfConst();
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converted_arguments.push_back(argument_column);
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}
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return converted_arguments;
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}
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};
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/// Implementation of makeDate, makeDate32
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template <typename Traits>
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class FunctionMakeDate : public FunctionWithNumericParamsBase
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{
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private:
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static constexpr std::array mandatory_argument_names_year_month_day = {"year", "month", "day"};
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static constexpr std::array mandatory_argument_names_year_dayofyear = {"year", "dayofyear"};
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public:
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static constexpr auto name = Traits::makeDateName;
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionMakeDate>(); }
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String getName() const override { return name; }
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DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
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{
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const bool is_year_month_variant = (arguments.size() == 3);
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if (is_year_month_variant)
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{
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FunctionArgumentDescriptors args{
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{mandatory_argument_names_year_month_day[0], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names_year_month_day[1], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names_year_month_day[2], &isNumber<IDataType>, nullptr, "Number"}
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};
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validateFunctionArgumentTypes(*this, arguments, args);
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}
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else
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{
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FunctionArgumentDescriptors args{
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{mandatory_argument_names_year_dayofyear[0], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names_year_dayofyear[1], &isNumber<IDataType>, nullptr, "Number"}
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};
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validateFunctionArgumentTypes(*this, arguments, args);
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}
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return std::make_shared<typename Traits::ReturnDataType>();
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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 bool is_year_month_day_variant = (arguments.size() == 3);
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Columns converted_arguments;
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if (is_year_month_day_variant)
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converted_arguments = convertMandatoryArguments(arguments, mandatory_argument_names_year_month_day);
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else
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converted_arguments = convertMandatoryArguments(arguments, mandatory_argument_names_year_dayofyear);
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auto res_column = Traits::ReturnDataType::ColumnType::create(input_rows_count);
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auto & result_data = res_column->getData();
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const auto & date_lut = DateLUT::instance();
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const Int32 max_days_since_epoch = date_lut.makeDayNum(Traits::MAX_DATE[0], Traits::MAX_DATE[1], Traits::MAX_DATE[2]);
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if (is_year_month_day_variant)
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{
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const auto & year_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[0]).getData();
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const auto & month_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[1]).getData();
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const auto & day_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[2]).getData();
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const auto year = year_data[i];
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const auto month = month_data[i];
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const auto day = day_data[i];
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Int32 day_num = 0;
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if (year >= Traits::MIN_YEAR && year <= Traits::MAX_YEAR &&
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month >= 1 && month <= 12 &&
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day >= 1 && day <= 31)
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{
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Int32 days_since_epoch = date_lut.makeDayNum(static_cast<Int16>(year), static_cast<UInt8>(month), static_cast<UInt8>(day));
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if (days_since_epoch <= max_days_since_epoch)
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day_num = days_since_epoch;
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}
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result_data[i] = day_num;
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}
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}
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else
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{
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const auto & year_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[0]).getData();
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const auto & dayofyear_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[1]).getData();
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const auto year = year_data[i];
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const auto dayofyear = dayofyear_data[i];
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Int32 day_num = 0;
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if (year >= Traits::MIN_YEAR && year <= Traits::MAX_YEAR &&
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dayofyear >= 1 && dayofyear <= 365)
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{
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Int32 days_since_epoch = date_lut.makeDayNum(static_cast<Int16>(year), 1, 1) + static_cast<Int32>(dayofyear) - 1;
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if (days_since_epoch <= max_days_since_epoch)
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day_num = days_since_epoch;
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}
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result_data[i] = day_num;
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}
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}
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return res_column;
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}
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};
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/// Implementation of YYYYMMDDToDate, YYYYMMDDToDate32
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template<typename Traits>
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class FunctionYYYYYMMDDToDate : public FunctionWithNumericParamsBase
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{
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private:
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static constexpr std::array mandatory_argument_names = { "YYYYMMDD" };
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public:
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static constexpr auto name = Traits::YYYYMMDDName;
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionYYYYYMMDDToDate>(); }
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String getName() const override { return name; }
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size_t getNumberOfArguments() const override { return mandatory_argument_names.size(); }
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DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
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{
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FunctionArgumentDescriptors args{
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{mandatory_argument_names[0], &isNumber<IDataType>, nullptr, "Number"}
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};
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validateFunctionArgumentTypes(*this, arguments, args);
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return std::make_shared<typename Traits::ReturnDataType>();
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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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Columns converted_arguments = convertMandatoryArguments<DataTypeFloat64>(arguments, mandatory_argument_names);
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auto res_column = Traits::ReturnDataType::ColumnType::create(input_rows_count);
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auto & result_data = res_column->getData();
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const auto & yyyymmdd_data = typeid_cast<const ColumnFloat64 &>(*converted_arguments[0]).getData();
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const auto & date_lut = DateLUT::instance();
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const Int32 max_days_since_epoch = date_lut.makeDayNum(Traits::MAX_DATE[0], Traits::MAX_DATE[1], Traits::MAX_DATE[2]);
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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if (std::isinf(yyyymmdd_data[i]) || std::isnan(yyyymmdd_data[i])) [[unlikely]]
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throw Exception(ErrorCodes::BAD_ARGUMENTS, "Argument for function {} must be finite", getName());
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const auto yyyymmdd = std::llround(yyyymmdd_data[i]);
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const auto year = yyyymmdd / 10'000;
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const auto month = yyyymmdd / 100 % 100;
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const auto day = yyyymmdd % 100;
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Int32 day_num = 0;
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if (year >= Traits::MIN_YEAR && year <= Traits::MAX_YEAR &&
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month >= 1 && month <= 12 &&
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day >= 1 && day <= 31)
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{
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Int32 days_since_epoch = date_lut.makeDayNum(static_cast<Int16>(year), static_cast<UInt8>(month), static_cast<UInt8>(day));
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if (days_since_epoch <= max_days_since_epoch)
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day_num = days_since_epoch;
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}
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result_data[i] = day_num;
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}
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return res_column;
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}
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};
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struct DateTraits
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{
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static constexpr auto makeDateName = "makeDate";
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static constexpr auto YYYYMMDDName = "YYYYMMDDToDate";
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using ReturnDataType = DataTypeDate;
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static constexpr auto MIN_YEAR = 1970;
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static constexpr auto MAX_YEAR = 2149;
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static constexpr std::array MAX_DATE = {MAX_YEAR, 6, 6};
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};
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struct Date32Traits
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{
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static constexpr auto makeDateName = "makeDate32";
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static constexpr auto YYYYMMDDName = "YYYYMMDDToDate32";
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using ReturnDataType = DataTypeDate32;
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static constexpr auto MIN_YEAR = 1900;
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static constexpr auto MAX_YEAR = 2299;
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static constexpr std::array MAX_DATE = {MAX_YEAR, 12, 31};
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};
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/// Functionality common to makeDateTime, makeDateTime64, YYYYMMDDhhmmssToDateTime, YYYYMMDDhhmmssToDateTime64
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class FunctionDateTimeBase : public FunctionWithNumericParamsBase
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{
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protected:
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static constexpr UInt32 DEFAULT_PRECISION = 3;
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template <typename T>
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static Int64 dateTime(T year, T month, T day_of_month, T hour, T minute, T second, const DateLUTImpl & lut)
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{
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/// Note that hour, minute and second are checked against 99 to behave consistently with parsing DateTime from String
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/// E.g. "select cast('1984-01-01 99:99:99' as DateTime);" returns "1984-01-05 04:40:39"
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if (std::isnan(year) || std::isnan(month) || std::isnan(day_of_month) ||
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std::isnan(hour) || std::isnan(minute) || std::isnan(second) ||
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year < DATE_LUT_MIN_YEAR || month < 1 || month > 12 || day_of_month < 1 || day_of_month > 31 ||
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hour < 0 || hour > 99 || minute < 0 || minute > 99 || second < 0 || second > 99) [[unlikely]]
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return minDateTime(lut);
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if (year > DATE_LUT_MAX_YEAR) [[unlikely]]
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return maxDateTime(lut);
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return lut.makeDateTime(
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static_cast<Int16>(year), static_cast<UInt8>(month), static_cast<UInt8>(day_of_month),
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static_cast<UInt8>(hour), static_cast<UInt8>(minute), static_cast<UInt8>(second));
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}
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static Int64 minDateTime(const DateLUTImpl & lut)
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{
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return lut.makeDateTime(DATE_LUT_MIN_YEAR - 1, 1, 1, 0, 0, 0);
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}
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static Int64 maxDateTime(const DateLUTImpl & lut)
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{
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return lut.makeDateTime(DATE_LUT_MAX_YEAR + 1, 1, 1, 23, 59, 59);
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}
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std::string extractTimezone(const ColumnWithTypeAndName & timezone_argument) const
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{
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if (!isStringOrFixedString(timezone_argument.type) || !timezone_argument.column || (timezone_argument.column->size() != 1 && !typeid_cast<const ColumnConst*>(timezone_argument.column.get())))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Argument 'timezone' for function {} must be const string", getName());
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String timezone = timezone_argument.column->getDataAt(0).toString();
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return timezone;
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}
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UInt32 extractPrecision(const ColumnWithTypeAndName & precision_argument) const
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{
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if (!isNumber(precision_argument.type) || !precision_argument.column || (precision_argument.column->size() != 1 && !typeid_cast<const ColumnConst*>(precision_argument.column.get())))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Argument 'precision' for function {} must be constant number", getName());
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Int64 precision = precision_argument.column->getInt(0);
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if (precision < 0 || precision > 9)
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throw Exception(ErrorCodes::ARGUMENT_OUT_OF_BOUND,
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"Argument 'precision' for function {} must be in range [0, 9]", getName());
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return static_cast<UInt32>(precision);
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}
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};
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class FunctionMakeDateTimeBase : public FunctionDateTimeBase
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{
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protected:
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static constexpr std::array mandatory_argument_names = {"year", "month", "day", "hour", "minute", "second"};
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};
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/// makeDateTime(year, month, day, hour, minute, second, [timezone])
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class FunctionMakeDateTime : public FunctionMakeDateTimeBase
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{
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private:
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static constexpr std::array optional_argument_names = {"timezone"};
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public:
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static constexpr auto name = "makeDateTime";
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionMakeDateTime>(); }
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String getName() const override { return name; }
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DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
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{
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FunctionArgumentDescriptors mandatory_args{
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{mandatory_argument_names[0], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[1], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[2], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[3], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[4], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[5], &isNumber<IDataType>, nullptr, "Number"}
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};
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FunctionArgumentDescriptors optional_args{
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{optional_argument_names[0], &isString<IDataType>, isColumnConst, "const String"}
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};
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validateFunctionArgumentTypes(*this, arguments, mandatory_args, optional_args);
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/// Optional timezone argument
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std::string timezone;
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if (arguments.size() == mandatory_argument_names.size() + 1)
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timezone = extractTimezone(arguments.back());
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return std::make_shared<DataTypeDateTime>(timezone);
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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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/// Optional timezone argument
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std::string timezone;
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if (arguments.size() == mandatory_argument_names.size() + 1)
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timezone = extractTimezone(arguments.back());
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Columns converted_arguments = convertMandatoryArguments(arguments, mandatory_argument_names);
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auto res_column = ColumnDateTime::create(input_rows_count);
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auto & result_data = res_column->getData();
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const auto & year_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[0]).getData();
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const auto & month_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[1]).getData();
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const auto & day_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[2]).getData();
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const auto & hour_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[3]).getData();
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const auto & minute_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[4]).getData();
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const auto & second_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[5]).getData();
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const auto & date_lut = DateLUT::instance(timezone);
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const auto year = year_data[i];
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const auto month = month_data[i];
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const auto day = day_data[i];
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const auto hour = hour_data[i];
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const auto minute = minute_data[i];
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const auto second = second_data[i];
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auto date_time = dateTime(year, month, day, hour, minute, second, date_lut);
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if (date_time < 0) [[unlikely]]
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date_time = 0;
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else if (date_time > 0x0ffffffffll) [[unlikely]]
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date_time = 0x0ffffffffll;
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result_data[i] = static_cast<UInt32>(date_time);
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}
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return res_column;
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}
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};
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/// makeDateTime64(year, month, day, hour, minute, second[, fraction[, precision[, timezone]]])
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class FunctionMakeDateTime64 : public FunctionMakeDateTimeBase
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{
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private:
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static constexpr std::array optional_argument_names = {"fraction", "precision", "timezone"};
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public:
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static constexpr auto name = "makeDateTime64";
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionMakeDateTime64>(); }
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String getName() const override { return name; }
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DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
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{
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FunctionArgumentDescriptors mandatory_args{
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{mandatory_argument_names[0], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[1], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[2], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[3], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[4], &isNumber<IDataType>, nullptr, "Number"},
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{mandatory_argument_names[5], &isNumber<IDataType>, nullptr, "Number"}
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};
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FunctionArgumentDescriptors optional_args{
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{optional_argument_names[0], &isNumber<IDataType>, isColumnConst, "const Number"},
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{optional_argument_names[1], &isNumber<IDataType>, isColumnConst, "const Number"},
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{optional_argument_names[2], &isString<IDataType>, isColumnConst, "const String"}
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};
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validateFunctionArgumentTypes(*this, arguments, mandatory_args, optional_args);
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if (arguments.size() >= mandatory_argument_names.size() + 1)
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{
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const auto& fraction_argument = arguments[mandatory_argument_names.size()];
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if (!isNumber(fraction_argument.type))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Argument 'fraction' for function {} must be a number", getName());
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}
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/// Optional precision argument
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Int64 precision = DEFAULT_PRECISION;
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if (arguments.size() >= mandatory_argument_names.size() + 2)
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|
precision = extractPrecision(arguments[mandatory_argument_names.size() + 1]);
|
|
|
|
/// Optional timezone argument
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 3)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
return std::make_shared<DataTypeDateTime64>(precision, timezone);
|
|
}
|
|
|
|
ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
|
|
{
|
|
/// Optional precision argument
|
|
Int64 precision = DEFAULT_PRECISION;
|
|
if (arguments.size() >= mandatory_argument_names.size() + 2)
|
|
precision = extractPrecision(arguments[mandatory_argument_names.size() + 1]);
|
|
|
|
/// Optional timezone argument
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 3)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
Columns converted_arguments = convertMandatoryArguments(arguments, mandatory_argument_names);
|
|
|
|
/// Optional fraction argument
|
|
const ColumnVector<Float64>::Container * fraction_data = nullptr;
|
|
if (arguments.size() >= mandatory_argument_names.size() + 1)
|
|
{
|
|
ColumnPtr fraction_column = castColumn(arguments[mandatory_argument_names.size()], std::make_shared<DataTypeFloat64>());
|
|
fraction_column = fraction_column->convertToFullColumnIfConst();
|
|
converted_arguments.push_back(fraction_column);
|
|
fraction_data = &typeid_cast<const ColumnFloat64 &>(*converted_arguments[6]).getData();
|
|
}
|
|
|
|
auto res_column = ColumnDateTime64::create(input_rows_count, static_cast<UInt32>(precision));
|
|
auto & result_data = res_column->getData();
|
|
|
|
const auto & year_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[0]).getData();
|
|
const auto & month_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[1]).getData();
|
|
const auto & day_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[2]).getData();
|
|
const auto & hour_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[3]).getData();
|
|
const auto & minute_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[4]).getData();
|
|
const auto & second_data = typeid_cast<const ColumnFloat32 &>(*converted_arguments[5]).getData();
|
|
|
|
const auto & date_lut = DateLUT::instance(timezone);
|
|
|
|
const auto max_fraction = pow(10, precision) - 1;
|
|
const auto min_date_time = minDateTime(date_lut);
|
|
const auto max_date_time = maxDateTime(date_lut);
|
|
|
|
for (size_t i = 0; i < input_rows_count; ++i)
|
|
{
|
|
const auto year = year_data[i];
|
|
const auto month = month_data[i];
|
|
const auto day = day_data[i];
|
|
const auto hour = hour_data[i];
|
|
const auto minute = minute_data[i];
|
|
const auto second = second_data[i];
|
|
|
|
auto date_time = dateTime(year, month, day, hour, minute, second, date_lut);
|
|
|
|
double fraction = 0;
|
|
if (date_time == min_date_time) [[unlikely]]
|
|
fraction = 0;
|
|
else if (date_time == max_date_time) [[unlikely]]
|
|
fraction = 999999999;
|
|
else
|
|
{
|
|
fraction = fraction_data ? (*fraction_data)[i] : 0;
|
|
if (std::isnan(fraction)) [[unlikely]]
|
|
{
|
|
date_time = min_date_time;
|
|
fraction = 0;
|
|
}
|
|
else if (fraction < 0) [[unlikely]]
|
|
fraction = 0;
|
|
else if (fraction > max_fraction) [[unlikely]]
|
|
fraction = max_fraction;
|
|
}
|
|
|
|
result_data[i] = DecimalUtils::decimalFromComponents<DateTime64>(
|
|
date_time,
|
|
static_cast<Int64>(fraction),
|
|
static_cast<UInt32>(precision));
|
|
}
|
|
|
|
return res_column;
|
|
}
|
|
};
|
|
|
|
class FunctionYYYYMMDDhhmmssToDateTimeBase : public FunctionDateTimeBase
|
|
{
|
|
protected:
|
|
static constexpr std::array mandatory_argument_names = { "YYYYMMDDhhmmss" };
|
|
};
|
|
|
|
/// YYYYMMDDhhmmssToDateTime
|
|
class FunctionYYYYMMDDhhmmssToDateTime : public FunctionYYYYMMDDhhmmssToDateTimeBase
|
|
{
|
|
private:
|
|
static constexpr std::array optional_argument_names = { "timezone" };
|
|
|
|
public:
|
|
static constexpr auto name = "YYYYMMDDhhmmssToDateTime";
|
|
|
|
static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionYYYYMMDDhhmmssToDateTime>(); }
|
|
|
|
String getName() const override { return name; }
|
|
|
|
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
|
|
{
|
|
FunctionArgumentDescriptors mandatory_args{
|
|
{mandatory_argument_names[0], &isNumber<IDataType>, nullptr, "Number"}
|
|
};
|
|
|
|
FunctionArgumentDescriptors optional_args{
|
|
{optional_argument_names[0], &isString<IDataType>, isColumnConst, "const String"}
|
|
};
|
|
|
|
validateFunctionArgumentTypes(*this, arguments, mandatory_args, optional_args);
|
|
|
|
/// Optional timezone argument
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 1)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
return std::make_shared<DataTypeDateTime>(timezone);
|
|
}
|
|
|
|
ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
|
|
{
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 1)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
Columns converted_arguments = convertMandatoryArguments<DataTypeFloat64>(arguments, mandatory_argument_names);
|
|
|
|
auto res_column = ColumnDateTime::create(input_rows_count);
|
|
auto & result_data = res_column->getData();
|
|
|
|
const auto & yyyymmddhhmmss_data = typeid_cast<const ColumnFloat64 &>(*converted_arguments[0]).getData();
|
|
|
|
const auto & date_lut = DateLUT::instance(timezone);
|
|
|
|
for (size_t i = 0; i < input_rows_count; i++)
|
|
{
|
|
if (std::isinf(yyyymmddhhmmss_data[i]) || std::isnan(yyyymmddhhmmss_data[i])) [[unlikely]]
|
|
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Argument for function {} must be finite", getName());
|
|
|
|
const auto yyyymmddhhmmss = std::llround(yyyymmddhhmmss_data[i]);
|
|
|
|
const auto yyyymmdd = yyyymmddhhmmss / 1'000'000;
|
|
const auto hhmmss = yyyymmddhhmmss % 1'000'000;
|
|
|
|
const auto year = yyyymmdd / 10'000;
|
|
const auto month = yyyymmdd / 100 % 100;
|
|
const auto day = yyyymmdd % 100;
|
|
const auto hour = hhmmss / 10'000;
|
|
const auto minute = hhmmss / 100 % 100;
|
|
const auto second = hhmmss % 100;
|
|
|
|
auto date_time = dateTime(year, month, day, hour, minute, second, date_lut);
|
|
|
|
if (date_time < 0) [[unlikely]]
|
|
date_time = 0;
|
|
else if (date_time > 0x0ffffffffll) [[unlikely]]
|
|
date_time = 0x0ffffffffll;
|
|
|
|
result_data[i] = static_cast<UInt32>(date_time);
|
|
}
|
|
|
|
return res_column;
|
|
}
|
|
};
|
|
|
|
/// YYYYMMDDhhmmssToDateTime64
|
|
class FunctionYYYYMMDDhhmmssToDateTime64 : public FunctionYYYYMMDDhhmmssToDateTimeBase
|
|
{
|
|
private:
|
|
static constexpr std::array optional_argument_names = { "precision", "timezone" };
|
|
|
|
public:
|
|
static constexpr auto name = "YYYYMMDDhhmmssToDateTime64";
|
|
|
|
static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionYYYYMMDDhhmmssToDateTime64>(); }
|
|
|
|
String getName() const override { return name; }
|
|
|
|
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
|
|
{
|
|
FunctionArgumentDescriptors mandatory_args{
|
|
{mandatory_argument_names[0], &isNumber<IDataType>, nullptr, "Number"}
|
|
};
|
|
|
|
FunctionArgumentDescriptors optional_args{
|
|
{optional_argument_names[0], &isNumber<IDataType>, isColumnConst, "const Number"},
|
|
{optional_argument_names[0], &isString<IDataType>, isColumnConst, "const String"}
|
|
};
|
|
|
|
validateFunctionArgumentTypes(*this, arguments, mandatory_args, optional_args);
|
|
|
|
/// Optional precision argument
|
|
auto precision = DEFAULT_PRECISION;
|
|
if (arguments.size() >= mandatory_argument_names.size() + 1)
|
|
precision = extractPrecision(arguments[mandatory_argument_names.size()]);
|
|
|
|
/// Optional timezone argument
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 2)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
return std::make_shared<DataTypeDateTime64>(precision, timezone);
|
|
}
|
|
|
|
ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
|
|
{
|
|
UInt32 precision = DEFAULT_PRECISION;
|
|
if (arguments.size() >= mandatory_argument_names.size() + 1)
|
|
precision = extractPrecision(arguments[mandatory_argument_names.size()]);
|
|
|
|
std::string timezone;
|
|
if (arguments.size() == mandatory_argument_names.size() + 2)
|
|
timezone = extractTimezone(arguments.back());
|
|
|
|
Columns converted_arguments = convertMandatoryArguments<DataTypeFloat64>(arguments, mandatory_argument_names);
|
|
|
|
auto res_column = ColumnDateTime64::create(input_rows_count, static_cast<UInt32>(precision));
|
|
auto & result_data = res_column->getData();
|
|
|
|
const auto & yyyymmddhhmmss_data = typeid_cast<const ColumnFloat64 &>(*converted_arguments[0]).getData();
|
|
|
|
const auto & date_lut = DateLUT::instance(timezone);
|
|
|
|
const auto fraction_pow = common::exp10_i32(precision);
|
|
|
|
for (size_t i = 0; i < input_rows_count; i++)
|
|
{
|
|
const auto float_date = yyyymmddhhmmss_data[i];
|
|
|
|
if (std::isinf(float_date) || std::isnan(float_date)) [[unlikely]]
|
|
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Argument for function {} must be finite", getName());
|
|
|
|
const auto yyyymmddhhmmss = std::llround(float_date);
|
|
|
|
const auto yyyymmdd = yyyymmddhhmmss / 1'000'000;
|
|
const auto hhmmss = yyyymmddhhmmss % 1'000'000;
|
|
|
|
const auto decimal = float_date - yyyymmddhhmmss;
|
|
|
|
const auto year = yyyymmdd / 10'000;
|
|
const auto month = yyyymmdd / 100 % 100;
|
|
const auto day = yyyymmdd % 100;
|
|
const auto hour = hhmmss / 10'000;
|
|
const auto minute = hhmmss / 100 % 100;
|
|
const auto second = hhmmss % 100;
|
|
|
|
auto date_time = dateTime(year, month, day, hour, minute, second, date_lut);
|
|
|
|
auto fraction = std::llround(decimal * fraction_pow);
|
|
|
|
result_data[i] = DecimalUtils::decimalFromComponents<DateTime64>(date_time, fraction, precision);
|
|
}
|
|
|
|
return res_column;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
REGISTER_FUNCTION(MakeDate)
|
|
{
|
|
factory.registerFunction<FunctionMakeDate<DateTraits>>({}, FunctionFactory::CaseInsensitive);
|
|
factory.registerFunction<FunctionMakeDate<Date32Traits>>();
|
|
factory.registerFunction<FunctionMakeDateTime>();
|
|
factory.registerFunction<FunctionMakeDateTime64>();
|
|
|
|
factory.registerFunction<FunctionYYYYYMMDDToDate<DateTraits>>(
|
|
FunctionDocumentation{
|
|
.description = R"(
|
|
Converts a number containing the year, month and day number to a Date.
|
|
This functions is the opposite of function `toYYYYMMDD()`.
|
|
The output is undefined if the input does not encode a valid Date value.
|
|
)",
|
|
.categories{"Dates and Times"}
|
|
}
|
|
);
|
|
factory.registerFunction<FunctionYYYYYMMDDToDate<Date32Traits>>(
|
|
FunctionDocumentation{
|
|
.description = R"(
|
|
Like function `YYYYMMDDToDate()` but produces a Date32.
|
|
)",
|
|
.categories{"Dates and Times"}
|
|
}
|
|
);
|
|
factory.registerFunction<FunctionYYYYMMDDhhmmssToDateTime>(
|
|
FunctionDocumentation{
|
|
.description = R"(
|
|
Converts a number containing the year, month, day, hour, minute and second number to a DateTime.
|
|
The output is undefined if the input does not encode a valid DateTime value.
|
|
This functions is the opposite of function `toYYYYMMDD()`.
|
|
)",
|
|
.categories{"Dates and Times"}
|
|
}
|
|
);
|
|
factory.registerFunction<FunctionYYYYMMDDhhmmssToDateTime64>(
|
|
FunctionDocumentation{
|
|
.description = R"(
|
|
Like function `YYYYMMDDhhmmssToDate()` but produces a DateTime64.
|
|
Accepts an additional, optional `precision` parameter after the `timezone` parameter.
|
|
)",
|
|
.categories{"Dates and Times"}
|
|
}
|
|
);
|
|
}
|
|
|
|
}
|