3d67793a9e
Changed signals and slots to new syntax, used nullptr and replaced foreach with new C++11 range based for loops. Also fixed a few minor flaws. Task-number: QTBUG-60633 Change-Id: Ice4030133971912f96752d9d84c638c70fd73e35 Reviewed-by: Jesus Fernandez <Jesus.Fernandez@qt.io> Reviewed-by: André Hartmann <aha_1980@gmx.de> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
107 lines
4.5 KiB
C
107 lines
4.5 KiB
C
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DATABASE_H
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#define DATABASE_H
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#include <QMessageBox>
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#include <QSqlDatabase>
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#include <QSqlError>
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#include <QSqlQuery>
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static bool createConnection()
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{
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QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
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db.setDatabaseName(":memory:");
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if (!db.open()) {
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QMessageBox::critical(nullptr, QObject::tr("Cannot open database"),
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QObject::tr("Unable to establish a database connection.\n"
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"This example needs SQLite support. Please read "
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"the Qt SQL driver documentation for information how "
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"to build it.\n\n"
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"Click Cancel to exit."), QMessageBox::Cancel);
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return false;
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}
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QSqlQuery query;
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query.exec("create table artists (id int primary key, "
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"artist varchar(40), "
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"albumcount int)");
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query.exec("insert into artists values(0, '<all>', 0)");
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query.exec("insert into artists values(1, 'Ane Brun', 2)");
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query.exec("insert into artists values(2, 'Thomas Dybdahl', 3)");
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query.exec("insert into artists values(3, 'Kaizers Orchestra', 3)");
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query.exec("create table albums (albumid int primary key, "
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"title varchar(50), "
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"artistid int, "
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"year int)");
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query.exec("insert into albums values(1, 'Spending Time With Morgan', 1, "
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"2003)");
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query.exec("insert into albums values(2, 'A Temporary Dive', 1, 2005)");
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query.exec("insert into albums values(3, '...The Great October Sound', 2, "
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"2002)");
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query.exec("insert into albums values(4, 'Stray Dogs', 2, 2003)");
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query.exec("insert into albums values(5, "
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"'One day you`ll dance for me, New York City', 2, 2004)");
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query.exec("insert into albums values(6, 'Ompa Til Du D\xc3\xb8r', 3, 2001)");
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query.exec("insert into albums values(7, 'Evig Pint', 3, 2002)");
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query.exec("insert into albums values(8, 'Maestro', 3, 2005)");
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return true;
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}
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#endif
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