From 9fe985cdce9f0e1f9bee0e3cfc7a834b842f1906 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 5 Sep 2012 14:58:54 +0200
Subject: 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.
---
 odb/qt/basic/pgsql/quuid-traits.hxx | 59 +++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 odb/qt/basic/pgsql/quuid-traits.hxx

(limited to 'odb/qt/basic/pgsql/quuid-traits.hxx')

diff --git a/odb/qt/basic/pgsql/quuid-traits.hxx b/odb/qt/basic/pgsql/quuid-traits.hxx
new file mode 100644
index 0000000..c4439a7
--- /dev/null
+++ b/odb/qt/basic/pgsql/quuid-traits.hxx
@@ -0,0 +1,59 @@
+// file      : odb/qt/basic/pgsql/uuid-traits.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_QT_BASIC_PGSQL_UUID_TRAITS_HXX
+#define ODB_QT_BASIC_PGSQL_UUID_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstring> // std::memcpy
+
+#include <QtCore/QUuid>
+
+#include <odb/pgsql/traits.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    template <>
+    class default_value_traits<QUuid, id_uuid>
+    {
+    public:
+      typedef QUuid value_type;
+      typedef value_type query_type;
+      typedef unsigned char* image_type;
+
+      static void
+      set_value (value_type& v, const unsigned char* i, bool is_null)
+      {
+        if (!is_null)
+          std::memcpy (&v.data1, i, 16);
+        else
+          v = QUuid ();
+      }
+
+      static void
+      set_image (unsigned char* 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_uuid;
+    };
+  }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_QT_BASIC_PGSQL_UUID_TRAITS_HXX
-- 
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