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// file : odb/boost/uuid/mssql/uuid-traits.hxx
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_BOOST_UUID_MSSQL_UUID_TRAITS_HXX
#define ODB_BOOST_UUID_MSSQL_UUID_TRAITS_HXX
#include <boost/version.hpp>
// UUID library is available since 1.42.0.
//
#if BOOST_VERSION >= 104200
#include <odb/pre.hxx>
#include <cstring> // std::memcpy, std::memset
#include <boost/uuid/uuid.hpp>
#include <odb/mssql/traits.hxx>
namespace odb
{
namespace mssql
{
template <>
class default_value_traits< ::boost::uuids::uuid, id_uniqueidentifier>
{
public:
typedef ::boost::uuids::uuid value_type;
typedef value_type query_type;
typedef uniqueidentifier image_type;
static void
set_value (value_type& v, const uniqueidentifier& i, bool is_null)
{
if (!is_null)
std::memcpy (v.data, &i, 16);
else
std::memset (v.data, 0, 16);
}
static void
set_image (uniqueidentifier& i, bool& is_null, const value_type& v)
{
// If we can, store nil as NULL. Otherwise, store it as a value.
//
is_null = is_null && v.is_nil ();
if (!is_null)
std::memcpy (&i, v.data, 16);
}
};
template <>
struct default_type_traits< ::boost::uuids::uuid>
{
static const database_type_id db_type_id = id_uniqueidentifier;
};
}
}
#include <odb/post.hxx>
#endif // BOOST_VERSION
#endif // ODB_BOOST_UUID_MSSQL_UUID_TRAITS_HXX
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