diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2012-09-05 14:58:54 +0200 |
---|---|---|
committer | Boris Kolpackov <boris@codesynthesis.com> | 2012-09-05 14:58:54 +0200 |
commit | 9fe985cdce9f0e1f9bee0e3cfc7a834b842f1906 (patch) | |
tree | c3eee4245d4cdd3b828d5dceb6efdc150d2bc483 /odb/qt/basic/mssql | |
parent | cdca463703de22e87d0d8f995d22f6d95fe89d6c (diff) |
Support for Qt QUuid persistence
This support was added to the basic sub-profile. New test: qt/common/basic.
Updated the qt example to use QUuid as an object id.
Diffstat (limited to 'odb/qt/basic/mssql')
-rw-r--r-- | odb/qt/basic/mssql/default-mapping.hxx | 7 | ||||
-rw-r--r-- | odb/qt/basic/mssql/quuid-traits.hxx | 59 |
2 files changed, 66 insertions, 0 deletions
diff --git a/odb/qt/basic/mssql/default-mapping.hxx b/odb/qt/basic/mssql/default-mapping.hxx index 2a1b6af..916d306 100644 --- a/odb/qt/basic/mssql/default-mapping.hxx +++ b/odb/qt/basic/mssql/default-mapping.hxx @@ -7,6 +7,7 @@ #include <QtCore/QString> #include <QtCore/QByteArray> +#include <QtCore/QUuid> // By default map QString to SQL Server VARCHAR(512) for non-id members // and to VARCHAR(256) for id members (the same as the default mapping @@ -20,4 +21,10 @@ // #pragma db value(QByteArray) type("VARBINARY(max)") null +// By default map QUuid to SQL Server UNIQUEIDENTIFIER and use NULL to +// represent null UUIDs. If NULL is disabled (e.g., at the member level), +// then we store the null UUID (i.e., all bytes are zero). +// +#pragma db value(QUuid) type("UNIQUEIDENTIFIER") null + #endif // ODB_QT_BASIC_MSSQL_DEFAULT_MAPPING_HXX diff --git a/odb/qt/basic/mssql/quuid-traits.hxx b/odb/qt/basic/mssql/quuid-traits.hxx new file mode 100644 index 0000000..7302921 --- /dev/null +++ b/odb/qt/basic/mssql/quuid-traits.hxx @@ -0,0 +1,59 @@ +// file : odb/qt/basic/mssql/uuid-traits.hxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_BASIC_MSSQL_UUID_TRAITS_HXX +#define ODB_QT_BASIC_MSSQL_UUID_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <cstring> // std::memcpy + +#include <QtCore/QUuid> + +#include <odb/mssql/traits.hxx> + +namespace odb +{ + namespace mssql + { + template <> + class default_value_traits<QUuid, id_uniqueidentifier> + { + public: + typedef QUuid 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.data1, &i, 16); + else + v = QUuid (); + } + + 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.isNull (); + + if (!is_null) + std::memcpy (&i, &v.data1, 16); + } + }; + + template <> + struct default_type_traits<QUuid> + { + static const database_type_id db_type_id = id_uniqueidentifier; + }; + } +} + +#include <odb/post.hxx> + +#endif // ODB_QT_BASIC_MSSQL_UUID_TRAITS_HXX |