datetime.hpp File Reference

DateTime column APIs. More...

#include <cudf/types.hpp>
#include <rmm/mr/device/per_device_resource.hpp>
#include <memory>

Go to the source code of this file.

Namespaces
	cudf
	cuDF interfaces

Enumerations
enum class	cudf::datetime::rounding_frequency : int32_t {   DAY , HOUR , MINUTE , SECOND ,   MILLISECOND , MICROSECOND , NANOSECOND }
	Fixed frequencies supported by datetime rounding functions ceil, floor, round.

Functions
std::unique_ptr< cudf::column >	cudf::datetime::extract_year (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts year from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_month (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts month from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_day (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts day from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_weekday (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts a weekday from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_hour (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts hour from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_minute (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts minute from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_second (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts second from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_millisecond_fraction (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts millisecond fraction from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_microsecond_fraction (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts microsecond fraction from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_nanosecond_fraction (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extracts nanosecond fraction from any datetime type and returns an int16_t cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::last_day_of_month (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the last day of the month in datetime type and returns a TIMESTAMP_DAYS cudf::column. More...
std::unique_ptr< cudf::column >	cudf::datetime::day_of_year (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the day number since the start of the year from the datetime and returns an int16_t cudf::column. The value is between [1, {365-366}]. More...
std::unique_ptr< cudf::column >	cudf::datetime::add_calendrical_months (cudf::column_view const &timestamps, cudf::column_view const &months, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Adds or subtracts a number of months from the datetime type and returns a timestamp column that is of the same type as the input timestamps column. More...
std::unique_ptr< cudf::column >	cudf::datetime::add_calendrical_months (cudf::column_view const &timestamps, cudf::scalar const &months, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Adds or subtracts a number of months from the datetime type and returns a timestamp column that is of the same type as the input timestamps column. More...
std::unique_ptr< cudf::column >	cudf::datetime::is_leap_year (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Check if the year of the given date is a leap year. More...
std::unique_ptr< cudf::column >	cudf::datetime::days_in_month (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Extract the number of days in the month. More...
std::unique_ptr< cudf::column >	cudf::datetime::extract_quarter (cudf::column_view const &column, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Returns the quarter of the date. More...
std::unique_ptr< cudf::column >	cudf::datetime::ceil_datetimes (cudf::column_view const &column, rounding_frequency freq, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Round datetimes up to the nearest multiple of the given frequency. More...
std::unique_ptr< cudf::column >	cudf::datetime::floor_datetimes (cudf::column_view const &column, rounding_frequency freq, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Round datetimes down to the nearest multiple of the given frequency. More...
std::unique_ptr< cudf::column >	cudf::datetime::round_datetimes (cudf::column_view const &column, rounding_frequency freq, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Round datetimes to the nearest multiple of the given frequency. More...

Detailed Description

DateTime column APIs.

Definition in file datetime.hpp.