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Diffstat (limited to 'odb/qt/date-time/mssql/qtime-traits.hxx')
-rw-r--r-- | odb/qt/date-time/mssql/qtime-traits.hxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/odb/qt/date-time/mssql/qtime-traits.hxx b/odb/qt/date-time/mssql/qtime-traits.hxx new file mode 100644 index 0000000..4bd022f --- /dev/null +++ b/odb/qt/date-time/mssql/qtime-traits.hxx @@ -0,0 +1,80 @@ +// file : odb/qt/date-time/mssql/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_MSSQL_QTIME_TRAITS_HXX +#define ODB_QT_DATE_TIME_MSSQL_QTIME_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <QtCore/QTime> + +#include <odb/mssql/traits.hxx> + +namespace odb +{ + namespace mssql + { + template <> + struct default_value_traits<QTime, id_time> + { + typedef QTime value_type; + typedef QTime query_type; + typedef time image_type; + + static void + set_value (QTime& v, const time& 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.setHMS (i.hour, + i.minute, + i.second, + static_cast<int> (i.fraction / 1000000)); + } + + static void + set_image (time& i, unsigned short s, bool& is_null, const QTime& v) + { + if (v.isNull ()) + is_null = true; + else + { + is_null = false; + i.hour = static_cast<SQLUSMALLINT> (v.hour ()); + i.minute = static_cast<SQLUSMALLINT> (v.minute ()); + i.second = static_cast<SQLUSMALLINT> (v.second ()); + + const unsigned int divider[8] = + { + 1000000000, + 100000000, + 10000000, + 1000000, + 100000, + 10000, + 1000, + 100 + }; + + unsigned int ns (static_cast<unsigned int> (v.msec ()) * 1000000); + i.fraction = static_cast<SQLUINTEGER> (ns - ns % divider[s]); + } + } + }; + + template <> + struct default_type_traits<QTime> + { + static const database_type_id db_type_id = id_time; + }; + } +} + +#endif // ODB_QT_DATE_TIME_MSSQL_QTIME_TRAITS_HXX |