From d8b3a3388349d7055423f35911ef8ae17aba5ab4 Mon Sep 17 00:00:00 2001
From: Constantin Michael <constantin@codesynthesis.com>
Date: Fri, 22 Jul 2011 00:06:17 +0200
Subject: Add PostgreSQL support to Qt profile

---
 odb/qt/basic/pgsql/default-mapping.hxx    | 22 +++++++++
 odb/qt/basic/pgsql/qbyte-array-traits.hxx | 71 +++++++++++++++++++++++++++++
 odb/qt/basic/pgsql/qstring-traits.hxx     | 76 +++++++++++++++++++++++++++++++
 3 files changed, 169 insertions(+)
 create mode 100644 odb/qt/basic/pgsql/default-mapping.hxx
 create mode 100644 odb/qt/basic/pgsql/qbyte-array-traits.hxx
 create mode 100644 odb/qt/basic/pgsql/qstring-traits.hxx

(limited to 'odb/qt/basic')

diff --git a/odb/qt/basic/pgsql/default-mapping.hxx b/odb/qt/basic/pgsql/default-mapping.hxx
new file mode 100644
index 0000000..17882e4
--- /dev/null
+++ b/odb/qt/basic/pgsql/default-mapping.hxx
@@ -0,0 +1,22 @@
+// file      : odb/qt/basic/pgsql/default-mapping.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_BASIC_PGSQL_DEFAULT_MAPPING_HXX
+#define ODB_QT_BASIC_PGSQL_DEFAULT_MAPPING_HXX
+
+#include <QtCore/QString>
+#include <QtCore/QByteArray>
+
+// Map QString to PostgreSQL TEXT by default. Allow NULL values by default as
+// QString provides a null representation.
+//
+#pragma db value(QString) type("TEXT") null
+
+// Map QByteArray to PostgreSQL BYTEA by default. Allow NULL values by default
+// as QByteArray provides a null representation.
+//
+#pragma db value(QByteArray) type("BYTEA") null
+
+#endif // ODB_QT_BASIC_PGSQL_DEFAULT_MAPPING_HXX
diff --git a/odb/qt/basic/pgsql/qbyte-array-traits.hxx b/odb/qt/basic/pgsql/qbyte-array-traits.hxx
new file mode 100644
index 0000000..cf0477e
--- /dev/null
+++ b/odb/qt/basic/pgsql/qbyte-array-traits.hxx
@@ -0,0 +1,71 @@
+// file      : odb/qt/basic/pgsql/qbyte-array-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_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX
+#define ODB_QT_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstring> // std::memcpy
+#include <cstddef> // std::size_t
+
+#include <QtCore/QByteArray>
+
+#include <odb/details/buffer.hxx>
+#include <odb/pgsql/traits.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    template <>
+    struct default_value_traits<QByteArray, id_bytea>
+    {
+      typedef QByteArray value_type;
+      typedef QByteArray query_type;
+      typedef details::buffer image_type;
+
+      static void
+      set_value (QByteArray& v,
+                 const details::buffer& b,
+                 std::size_t n,
+                 bool is_null)
+      {
+        if (is_null)
+          v = QByteArray ();
+        else
+          v.replace (0, v.size (), b.data (), static_cast<int> (n));
+      }
+
+      static void
+      set_image (details::buffer& b,
+                 std::size_t& n,
+                 bool& is_null,
+                 const QByteArray& v)
+      {
+        if (v.isNull ())
+          is_null = true;
+        else
+        {
+          is_null = false;
+
+          n = static_cast<std::size_t> (v.size ());
+          if (n > b.capacity ())
+            b.capacity (n);
+
+          std::memcpy (b.data (), v.data (), n);
+        }
+      }
+    };
+
+    template <>
+    struct default_type_traits<QByteArray>
+    {
+      static const database_type_id db_type_id = id_bytea;
+    };
+  }
+}
+
+#endif // ODB_QT_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX
diff --git a/odb/qt/basic/pgsql/qstring-traits.hxx b/odb/qt/basic/pgsql/qstring-traits.hxx
new file mode 100644
index 0000000..047509b
--- /dev/null
+++ b/odb/qt/basic/pgsql/qstring-traits.hxx
@@ -0,0 +1,76 @@
+// file      : odb/qt/basic/pgsql/qstring-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_BASIC_PGSQL_QSTRING_TRAITS_HXX
+#define ODB_QT_BASIC_PGSQL_QSTRING_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstring> // std::memcpy
+#include <cstddef> // std::size_t
+
+#include <QtCore/QString>
+
+#include <odb/details/buffer.hxx>
+#include <odb/pgsql/traits.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    template <>
+    struct default_value_traits <QString, id_string>
+    {
+    public:
+      typedef QString value_type;
+      typedef QString query_type;
+      typedef details::buffer image_type;
+
+      static void
+      set_value (QString& v,
+                 const details::buffer& b,
+                 std::size_t n,
+                 bool is_null)
+      {
+        if (is_null)
+          v = QString ();
+        else
+          v = QString::fromUtf8 (b.data (), static_cast<int> (n));
+      }
+
+      static void
+      set_image (details::buffer& b,
+                 std::size_t& n,
+                 bool& is_null,
+                 const QString& v)
+      {
+        if (v.isNull ())
+          is_null = true;
+        else
+        {
+          is_null = false;
+
+          const QByteArray& a (v.toUtf8 ());
+          n = static_cast<std::size_t> (a.size ());
+
+          if (n > b.capacity ())
+            b.capacity (n);
+
+          std::memcpy (b.data (), a.data (), n);
+        }
+      }
+    };
+
+    template <>
+    struct default_type_traits<QString>
+    {
+      static const database_type_id db_type_id = id_string;
+    };
+  }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_QT_BASIC_PGSQL_QSTRING_TRAITS_HXX
-- 
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