| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | 
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| 4 | ** All rights reserved. | 
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com) | 
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| 6 | ** | 
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| 7 | ** This file is part of the examples of the Qt Toolkit. | 
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| 8 | ** | 
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 10 | ** Commercial Usage | 
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in | 
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the | 
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| 13 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 14 | ** a written agreement between you and Nokia. | 
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| 15 | ** | 
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| 16 | ** GNU Lesser General Public License Usage | 
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 18 | ** General Public License version 2.1 as published by the Free Software | 
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the | 
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| 20 | ** packaging of this file.  Please review the following information to | 
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements | 
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | 
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| 23 | ** | 
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional | 
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| 25 | ** rights.  These rights are described in the Nokia Qt LGPL Exception | 
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | 
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| 27 | ** | 
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| 28 | ** GNU General Public License Usage | 
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| 29 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 30 | ** General Public License version 3.0 as published by the Free Software | 
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the | 
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| 32 | ** packaging of this file.  Please review the following information to | 
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be | 
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html. | 
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| 35 | ** | 
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| 36 | ** If you have questions regarding the use of this file, please contact | 
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| 37 | ** Nokia at qt-info@nokia.com. | 
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| 38 | ** $QT_END_LICENSE$ | 
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| 39 | ** | 
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| 40 | ****************************************************************************/ | 
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| 41 |  | 
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| 42 | #ifndef DATABASE_H | 
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| 43 | #define DATABASE_H | 
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| 44 |  | 
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| 45 | #include <QMessageBox> | 
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| 46 | #include <QSqlDatabase> | 
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| 47 | #include <QSqlError> | 
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| 48 | #include <QSqlQuery> | 
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| 49 |  | 
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| 50 | static bool createConnection() | 
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| 51 | { | 
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| 52 | QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); | 
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| 53 | db.setDatabaseName(":memory:"); | 
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| 54 | if (!db.open()) { | 
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| 55 | QMessageBox::critical(0, qApp->tr("Cannot open database"), | 
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| 56 | qApp->tr("Unable to establish a database connection.\n" | 
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| 57 | "This example needs SQLite support. Please read " | 
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| 58 | "the Qt SQL driver documentation for information how " | 
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| 59 | "to build it.\n\n" | 
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| 60 | "Click Cancel to exit."), QMessageBox::Cancel); | 
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| 61 | return false; | 
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| 62 | } | 
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| 63 |  | 
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| 64 | QSqlQuery query; | 
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| 65 |  | 
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| 66 | query.exec("create table artists (id int primary key, " | 
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| 67 | "artist varchar(40), " | 
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| 68 | "albumcount int)"); | 
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| 69 |  | 
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| 70 | query.exec("insert into artists values(0, '<all>', 0)"); | 
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| 71 | query.exec("insert into artists values(1, 'Ane Brun', 2)"); | 
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| 72 | query.exec("insert into artists values(2, 'Thomas Dybdahl', 3)"); | 
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| 73 | query.exec("insert into artists values(3, 'Kaizers Orchestra', 3)"); | 
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| 74 |  | 
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| 75 | query.exec("create table albums (albumid int primary key, " | 
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| 76 | "title varchar(50), " | 
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| 77 | "artistid int, " | 
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| 78 | "year int)"); | 
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| 79 |  | 
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| 80 | query.exec("insert into albums values(1, 'Spending Time With Morgan', 1, " | 
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| 81 | "2003)"); | 
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| 82 | query.exec("insert into albums values(2, 'A Temporary Dive', 1, 2005)"); | 
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| 83 | query.exec("insert into albums values(3, '...The Great October Sound', 2, " | 
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| 84 | "2002)"); | 
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| 85 | query.exec("insert into albums values(4, 'Stray Dogs', 2, 2003)"); | 
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| 86 | query.exec("insert into albums values(5, " | 
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| 87 | "'One day you`ll dance for me, New York City', 2, 2004)"); | 
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| 88 | query.exec("insert into albums values(6, 'Ompa Til Du D\xf8r', 3, 2001)"); | 
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| 89 | query.exec("insert into albums values(7, 'Evig Pint', 3, 2002)"); | 
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| 90 | query.exec("insert into albums values(8, 'Maestro', 3, 2005)"); | 
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| 91 |  | 
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| 92 | return true; | 
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| 93 | } | 
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| 94 |  | 
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| 95 | #endif | 
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| 96 |  | 
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| 97 |  | 
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