mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-11 18:14:03 +00:00
42 lines
748 B
C++
42 lines
748 B
C++
#pragma once
|
|
|
|
#include <Yandex/Common.h> /// Yandex::VisitID_t
|
|
|
|
#include <DB/Core/Field.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
|
|
/// Перевести что угодно в Field.
|
|
template <typename T>
|
|
inline Field toField(const T & x)
|
|
{
|
|
return Field(typename NearestFieldType<T>::Type(x));
|
|
}
|
|
|
|
inline Field toField(const mysqlxx::Date & x)
|
|
{
|
|
return toField(static_cast<UInt16>(x.getDayNum()));
|
|
}
|
|
|
|
inline Field toField(const mysqlxx::DateTime & x)
|
|
{
|
|
return toField(static_cast<UInt32>(static_cast<time_t>(x)));
|
|
}
|
|
|
|
inline Field toField(const Yandex::VisitID_t & x)
|
|
{
|
|
return toField(static_cast<UInt64>(x));
|
|
}
|
|
|
|
template <typename T>
|
|
inline Field toField(const mysqlxx::Null<T> & x)
|
|
{
|
|
return x.isNull() ? Field(Null()) : toField(static_cast<const T &>(x));
|
|
}
|
|
|
|
|
|
}
|