mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-15 20:24:07 +00:00
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#include <chrono>
|
|
#include <string>
|
|
#include <common/DateLUT.h>
|
|
|
|
|
|
namespace ext
|
|
{
|
|
template <typename Clock, typename Duration = typename Clock::duration>
|
|
std::string to_string(const std::chrono::time_point<Clock, Duration> & tp)
|
|
{
|
|
return DateLUT::instance().timeToString(std::chrono::system_clock::to_time_t(tp));
|
|
}
|
|
|
|
template <typename Rep, typename Period = std::ratio<1>>
|
|
std::string to_string(const std::chrono::duration<Rep, Period> & dur)
|
|
{
|
|
auto seconds_as_int = std::chrono::duration_cast<std::chrono::seconds>(dur);
|
|
if (seconds_as_int == dur)
|
|
return std::to_string(seconds_as_int.count()) + "s";
|
|
auto seconds_as_double = std::chrono::duration_cast<std::chrono::duration<double>>(dur);
|
|
return std::to_string(seconds_as_double.count()) + "s";
|
|
}
|
|
|
|
template <typename Clock, typename Duration = typename Clock::duration>
|
|
std::ostream & operator<<(std::ostream & o, const std::chrono::time_point<Clock, Duration> & tp)
|
|
{
|
|
return o << to_string(tp);
|
|
}
|
|
|
|
template <typename Rep, typename Period = std::ratio<1>>
|
|
std::ostream & operator<<(std::ostream & o, const std::chrono::duration<Rep, Period> & dur)
|
|
{
|
|
return o << to_string(dur);
|
|
}
|
|
}
|