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// file : odb/qt/date-time/pgsql/qtime-traits.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_QT_DATE_TIME_PGSQL_QTIME_TRAITS_HXX
#define ODB_QT_DATE_TIME_PGSQL_QTIME_TRAITS_HXX
#include <odb/pre.hxx>
#include <QtCore/QTime>
#include <odb/pgsql/traits.hxx>
namespace odb
{
namespace pgsql
{
// Implementation of the mapping between QTime and PostgreSQL TIME. The
// TIME values are stored as micro-seconds since 00:00:00.
//
template <>
struct default_value_traits<QTime, id_time>
{
typedef details::endian_traits endian_traits;
typedef QTime value_type;
typedef QTime query_type;
typedef long long image_type;
static void
set_value (QTime& v, long long i, bool is_null)
{
if (is_null)
// A null QTime value is equivalent to an invalid QTime value.
// Set v to an invalid time to represent null (hour value of
// a valid time must be in the range 0-23).
//
v.setHMS (24, 0, 0);
else
v = QTime (0, 0, 0).addSecs (
static_cast<int> (endian_traits::ntoh (i) / 1000000));
}
static void
set_image (long long& i, bool& is_null, const QTime& v)
{
if (v.isNull ())
is_null = true;
else
{
is_null = false;
i = endian_traits::hton (
static_cast<long long> (QTime (0, 0, 0).secsTo (v)) * 1000000);
}
}
};
template <>
struct default_type_traits<QTime>
{
static const database_type_id db_type_id = id_time;
};
}
}
#endif // ODB_QT_DATE_TIME_PGSQL_QTIME_TRAITS_HXX
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