diff options
Diffstat (limited to 'libodb-boost/odb/boost/uuid/mssql/uuid-traits.hxx')
-rw-r--r-- | libodb-boost/odb/boost/uuid/mssql/uuid-traits.hxx | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/libodb-boost/odb/boost/uuid/mssql/uuid-traits.hxx b/libodb-boost/odb/boost/uuid/mssql/uuid-traits.hxx new file mode 100644 index 0000000..ead1d85 --- /dev/null +++ b/libodb-boost/odb/boost/uuid/mssql/uuid-traits.hxx @@ -0,0 +1,65 @@ +// 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 |