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diff --git a/examples/sql/books/initdb.h b/examples/sql/books/initdb.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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 1.1, 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef INITDB_H
+#define INITDB_H
+
+#include <QtSql>
+
+void addBook(QSqlQuery &q, const QString &title, int year, const QVariant &authorId,
+             const QVariant &genreId, int rating)
+{
+    q.addBindValue(title);
+    q.addBindValue(year);
+    q.addBindValue(authorId);
+    q.addBindValue(genreId);
+    q.addBindValue(rating);
+    q.exec();
+}
+
+QVariant addGenre(QSqlQuery &q, const QString &name)
+{
+    q.addBindValue(name);
+    q.exec();
+    return q.lastInsertId();
+}
+
+QVariant addAuthor(QSqlQuery &q, const QString &name, const QDate &birthdate)
+{
+    q.addBindValue(name);
+    q.addBindValue(birthdate);
+    q.exec();
+    return q.lastInsertId();
+}
+
+QSqlError initDb()
+{
+    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
+    db.setDatabaseName(":memory:");
+
+    if (!db.open())
+        return db.lastError();
+
+    QStringList tables = db.tables();
+    if (tables.contains("books", Qt::CaseInsensitive)
+        && tables.contains("authors", Qt::CaseInsensitive))
+        return QSqlError();
+
+    QSqlQuery q;
+    if (!q.exec(QLatin1String("create table books(id integer primary key, title varchar, author integer, genre integer, year integer, rating integer)")))
+        return q.lastError();
+    if (!q.exec(QLatin1String("create table authors(id integer primary key, name varchar, birthdate date)")))
+        return q.lastError();
+    if (!q.exec(QLatin1String("create table genres(id integer primary key, name varchar)")))
+        return q.lastError();
+
+    if (!q.prepare(QLatin1String("insert into authors(name, birthdate) values(?, ?)")))
+        return q.lastError();
+    QVariant asimovId = addAuthor(q, QLatin1String("Isaac Asimov"), QDate(1920, 2, 1));
+    QVariant greeneId = addAuthor(q, QLatin1String("Graham Greene"), QDate(1904, 10, 2));
+    QVariant pratchettId = addAuthor(q, QLatin1String("Terry Pratchett"), QDate(1948, 4, 28));
+
+    if (!q.prepare(QLatin1String("insert into genres(name) values(?)")))
+        return q.lastError();
+    QVariant sfiction = addGenre(q, QLatin1String("Science Fiction"));
+    QVariant fiction = addGenre(q, QLatin1String("Fiction"));
+    QVariant fantasy = addGenre(q, QLatin1String("Fantasy"));
+
+    if (!q.prepare(QLatin1String("insert into books(title, year, author, genre, rating) values(?, ?, ?, ?, ?)")))
+        return q.lastError();
+    addBook(q, QLatin1String("Foundation"), 1951, asimovId, sfiction, 3);
+    addBook(q, QLatin1String("Foundation and Empire"), 1952, asimovId, sfiction, 4);
+    addBook(q, QLatin1String("Second Foundation"), 1953, asimovId, sfiction, 3);
+    addBook(q, QLatin1String("Foundation's Edge"), 1982, asimovId, sfiction, 3);
+    addBook(q, QLatin1String("Foundation and Earth"), 1986, asimovId, sfiction, 4);
+    addBook(q, QLatin1String("Prelude to Foundation"), 1988, asimovId, sfiction, 3);
+    addBook(q, QLatin1String("Forward the Foundation"), 1993, asimovId, sfiction, 3);
+    addBook(q, QLatin1String("The Power and the Glory"), 1940, greeneId, fiction, 4);
+    addBook(q, QLatin1String("The Third Man"), 1950, greeneId, fiction, 5);
+    addBook(q, QLatin1String("Our Man in Havana"), 1958, greeneId, fiction, 4);
+    addBook(q, QLatin1String("Guards! Guards!"), 1989, pratchettId, fantasy, 3);
+    addBook(q, QLatin1String("Night Watch"), 2002, pratchettId, fantasy, 3);
+    addBook(q, QLatin1String("Going Postal"), 2004, pratchettId, fantasy, 3);
+
+    return QSqlError();
+}
+
+#endif