Long live Qt 4.5!

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diff --git a/src/sql/kernel/qsqldatabase.h b/src/sql/kernel/qsqldatabase.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtSql module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSQLDATABASE_H
+#define QSQLDATABASE_H
+
+#include <QtCore/qstring.h>
+#include <QtSql/qsql.h>
+#ifdef QT3_SUPPORT
+#include <QtSql/qsqlrecord.h>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Sql)
+
+class QSqlError;
+class QSqlDriver;
+class QSqlIndex;
+class QSqlRecord;
+class QSqlQuery;
+class QSqlDatabasePrivate;
+
+class Q_SQL_EXPORT QSqlDriverCreatorBase
+{
+public:
+    virtual ~QSqlDriverCreatorBase() {}
+    virtual QSqlDriver *createObject() const = 0;
+};
+
+template <class T>
+class QSqlDriverCreator : public QSqlDriverCreatorBase
+{
+public:
+    QSqlDriver *createObject() const { return new T; }
+};
+
+class Q_SQL_EXPORT QSqlDatabase
+{
+public:
+    QSqlDatabase();
+    QSqlDatabase(const QSqlDatabase &other);
+    ~QSqlDatabase();
+
+    QSqlDatabase &operator=(const QSqlDatabase &other);
+
+    bool open();
+    bool open(const QString& user, const QString& password);
+    void close();
+    bool isOpen() const;
+    bool isOpenError() const;
+    QStringList tables(QSql::TableType type = QSql::Tables) const;
+    QSqlIndex primaryIndex(const QString& tablename) const;
+    QSqlRecord record(const QString& tablename) const;
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT QSqlRecord record(const QSqlQuery& query) const;
+    inline QT3_SUPPORT QSqlRecord recordInfo(const QString& tablename) const
+    { return record(tablename); }
+    QT3_SUPPORT QSqlRecord recordInfo(const QSqlQuery& query) const;
+#endif
+    QSqlQuery exec(const QString& query = QString()) const;
+    QSqlError lastError() const;
+    bool isValid() const;
+
+    bool transaction();
+    bool commit();
+    bool rollback();
+
+    void setDatabaseName(const QString& name);
+    void setUserName(const QString& name);
+    void setPassword(const QString& password);
+    void setHostName(const QString& host);
+    void setPort(int p);
+    void setConnectOptions(const QString& options = QString());
+    QString databaseName() const;
+    QString userName() const;
+    QString password() const;
+    QString hostName() const;
+    QString driverName() const;
+    int port() const;
+    QString connectOptions() const;
+    QString connectionName() const;
+
+    QSqlDriver* driver() const;
+
+    QT_STATIC_CONST char *defaultConnection;
+
+    static QSqlDatabase addDatabase(const QString& type,
+                                 const QString& connectionName = QLatin1String(defaultConnection));
+    static QSqlDatabase addDatabase(QSqlDriver* driver,
+                                 const QString& connectionName = QLatin1String(defaultConnection));
+    static QSqlDatabase cloneDatabase(const QSqlDatabase &other, const QString& connectionName);
+    static QSqlDatabase database(const QString& connectionName = QLatin1String(defaultConnection),
+                                 bool open = true);
+    static void removeDatabase(const QString& connectionName);
+    static bool contains(const QString& connectionName = QLatin1String(defaultConnection));
+    static QStringList drivers();
+    static QStringList connectionNames();
+    static void registerSqlDriver(const QString &name, QSqlDriverCreatorBase *creator);
+    static bool isDriverAvailable(const QString &name);
+
+protected:
+    explicit QSqlDatabase(const QString& type);
+    explicit QSqlDatabase(QSqlDriver* driver);
+
+private:
+    friend class QSqlDatabasePrivate;
+    QSqlDatabasePrivate *d;
+};
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlDatabase &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSQLDATABASE_H