Add PostgreSQL support to Qt profile

1 files changed, 65 insertions, 0 deletions

diff --git a/odb/qt/date-time/pgsql/qdate-traits.hxx b/odb/qt/date-time/pgsql/qdate-traits.hxx
new file mode 100644
index 0000000..94345e1
--- /dev/null
+++ b/odb/qt/date-time/pgsql/qdate-traits.hxx
@@ -0,0 +1,65 @@
+// file      : odb/qt/date-time/pgsql/qdate-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_PGSQL_QDATE_TRAITS_HXX
+#define ODB_QT_DATE_TIME_PGSQL_QDATE_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <QtCore/QDate>
+
+#include <odb/pgsql/traits.hxx>
+#include <odb/qt/date-time/exceptions.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    // Implementation of the mapping between QDate and PostgreSQL DATE. The
+    // DATE values are stored as days since the PostgreSQL epoch 2000-01-01.
+    //
+    template <>
+    struct default_value_traits<QDate, id_date>
+    {
+      typedef details::endian_traits endian_traits;
+
+      typedef QDate value_type;
+      typedef QDate query_type;
+      typedef int image_type;
+
+      static void
+      set_value (QDate& v, int i, bool is_null)
+      {
+        if (is_null)
+          // A null QDate value is equivalent to an invalid QDate value.
+          // Set v to an invalid date to represent null.
+          //
+          v.setDate (0, 0, 0);
+        else
+          v = QDate (2000, 1, 1).addDays (endian_traits::ntoh (i));
+      }
+
+      static void
+      set_image (int& i, bool& is_null, const QDate& v)
+      {
+        if (v.isNull ())
+          is_null = true;
+        else
+        {
+          is_null = false;
+          i = endian_traits::hton (QDate (2000, 1, 1).daysTo (v));
+        }
+      }
+    };
+
+    template <>
+    struct default_type_traits<QDate>
+    {
+      static const database_type_id db_type_id = id_date;
+    };
+  }
+}
+
+#endif // ODB_QT_DATE_TIME_PGSQL_QDATE_TRAITS_HXX