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Diffstat (limited to 'examples/sql/masterdetail/database.h')
| -rw-r--r-- | examples/sql/masterdetail/database.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/examples/sql/masterdetail/database.h b/examples/sql/masterdetail/database.h new file mode 100644 index 0000000..a760e41 --- /dev/null +++ b/examples/sql/masterdetail/database.h @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 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 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 + + |