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Added function "toDayOfYear" [#CLICKHOUSE-3716]

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This commit is contained in:
Alexey Milovidov 2018-09-17 04:27:34 +03:00
parent adb0f65bee
commit 55bc0bb46b
3 changed files with 21 additions and 0 deletions
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1
dbms/src/Functions/FunctionsDateTime.cpp
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@ -62,6 +62,7 @@ void registerFunctionsDateTime(FunctionFactory & factory)
factory.registerFunction<FunctionToMonth>();
factory.registerFunction<FunctionToDayOfMonth>();
factory.registerFunction<FunctionToDayOfWeek>();
factory.registerFunction<FunctionToDayOfYear>();
factory.registerFunction<FunctionToHour>();
factory.registerFunction<FunctionToMinute>();
factory.registerFunction<FunctionToSecond>();

17
dbms/src/Functions/FunctionsDateTime.h
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@ -351,6 +351,22 @@ struct ToDayOfWeekImpl
using FactorTransform = ToMondayImpl;
};
struct ToDayOfYearImpl
{
static constexpr auto name = "toDayOfYear";
static inline UInt16 execute(UInt32 t, const DateLUTImpl & time_zone)
{
return time_zone.toDayOfYear(t);
}
static inline UInt16 execute(UInt16 d, const DateLUTImpl & time_zone)
{
return time_zone.toDayOfYear(DayNum(d));
}
using FactorTransform = ToStartOfYearImpl;
};
struct ToHourImpl
{
static constexpr auto name = "toHour";
@ -1560,6 +1576,7 @@ using FunctionToQuarter = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToQua
using FunctionToMonth = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToMonthImpl>;
using FunctionToDayOfMonth = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToDayOfMonthImpl>;
using FunctionToDayOfWeek = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToDayOfWeekImpl>;
using FunctionToDayOfYear = FunctionDateOrDateTimeToSomething<DataTypeUInt16, ToDayOfYearImpl>;
using FunctionToHour = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToHourImpl>;
using FunctionToMinute = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToMinuteImpl>;
using FunctionToSecond = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToSecondImpl>;

3
libs/libcommon/include/common/DateLUTImpl.h
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@ -309,6 +309,9 @@ public:
inline unsigned toYear(DayNum d) const { return lut[d].year; }
inline unsigned toDayOfWeek(DayNum d) const { return lut[d].day_of_week; }
inline unsigned toDayOfMonth(DayNum d) const { return lut[d].day_of_month; }
inline unsigned toDayOfYear(DayNum d) const { return d + 1 - toFirstDayNumOfYear(d); }
inline unsigned toDayOfYear(time_t t) const { return toDayOfYear(toDayNum(t)); }
/// Number of week from some fixed moment in the past. Week begins at monday.
/// (round down to monday and divide DayNum by 7; we made an assumption,