/******************************************************************************** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the examples 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 Technology Preview License Agreement accompanying** this package.**** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef DATABASE_H#define DATABASE_H#include <QMessageBox>#include <QSqlDatabase>#include <QSqlError>#include <QSqlQuery>static bool createConnection(){ QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); db.setDatabaseName(":memory:"); if (!db.open()) { QMessageBox::critical(0, qApp->tr("Cannot open database"), qApp->tr("Unable to establish a database connection.\n" "This example needs SQLite support. Please read " "the Qt SQL driver documentation for information how " "to build it.\n\n" "Click Cancel to exit."), QMessageBox::Cancel); return false; } QSqlQuery query; query.exec("create table artists (id int primary key, " "artist varchar(40), " "albumcount int)"); query.exec("insert into artists values(0, '<all>', 0)"); query.exec("insert into artists values(1, 'Ane Brun', 2)"); query.exec("insert into artists values(2, 'Thomas Dybdahl', 3)"); query.exec("insert into artists values(3, 'Kaizers Orchestra', 3)"); query.exec("create table albums (albumid int primary key, " "title varchar(50), " "artistid int, " "year int)"); query.exec("insert into albums values(1, 'Spending Time With Morgan', 1, " "2003)"); query.exec("insert into albums values(2, 'A Temporary Dive', 1, 2005)"); query.exec("insert into albums values(3, '...The Great October Sound', 2, " "2002)"); query.exec("insert into albums values(4, 'Stray Dogs', 2, 2003)"); query.exec("insert into albums values(5, " "'One day you`ll dance for me, New York City', 2, 2004)"); query.exec("insert into albums values(6, 'Ompa Til Du D\xf8r', 3, 2001)"); query.exec("insert into albums values(7, 'Evig Pint', 3, 2002)"); query.exec("insert into albums values(8, 'Maestro', 3, 2005)"); return true;}#endif