38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
136 lines
6.3 KiB
C
136 lines
6.3 KiB
C
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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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** You may use this file under the terms of the BSD license 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 Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef CONNECTION_H
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#define CONNECTION_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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/*
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This file defines a helper function to open a connection to an
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in-memory SQLITE database and to create a test table.
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If you want to use another database, simply modify the code
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below. All the examples in this directory use this function to
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connect to a database.
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*/
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//! [0]
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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(0, qApp->tr("Cannot open database"),
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qApp->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 person (id int primary key, "
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"firstname varchar(20), lastname varchar(20))");
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query.exec("insert into person values(101, 'Danny', 'Young')");
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query.exec("insert into person values(102, 'Christine', 'Holand')");
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query.exec("insert into person values(103, 'Lars', 'Gordon')");
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query.exec("insert into person values(104, 'Roberto', 'Robitaille')");
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query.exec("insert into person values(105, 'Maria', 'Papadopoulos')");
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query.exec("create table offices (id int primary key,"
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"imagefile int,"
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"location varchar(20),"
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"country varchar(20),"
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"description varchar(100))");
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query.exec("insert into offices "
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"values(0, 0, 'Oslo', 'Norway',"
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"'Oslo is home to more than 500 000 citizens and has a "
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"lot to offer.It has been called \"The city with the big "
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"heart\" and this is a nickname we are happy to live up to.')");
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query.exec("insert into offices "
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"values(1, 1, 'Brisbane', 'Australia',"
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"'Brisbane is the capital of Queensland, the Sunshine State, "
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"where it is beautiful one day, perfect the next. "
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"Brisbane is Australia''s 3rd largest city, being home "
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"to almost 2 million people.')");
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query.exec("insert into offices "
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"values(2, 2, 'Redwood City', 'US',"
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"'You find Redwood City in the heart of the Bay Area "
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"just north of Silicon Valley. The largest nearby city is "
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"San Jose which is the third largest city in California "
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"and the 10th largest in the US.')");
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query.exec("insert into offices "
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"values(3, 3, 'Berlin', 'Germany',"
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"'Berlin, the capital of Germany is dynamic, cosmopolitan "
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"and creative, allowing for every kind of lifestyle. "
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"East meets West in the metropolis at the heart of a "
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"changing Europe.')");
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query.exec("insert into offices "
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"values(4, 4, 'Munich', 'Germany',"
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"'Several technology companies are represented in Munich, "
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"and the city is often called the \"Bavarian Silicon Valley\". "
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"The exciting city is also filled with culture, "
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"art and music. ')");
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query.exec("insert into offices "
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"values(5, 5, 'Beijing', 'China',"
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"'Beijing as a capital city has more than 3000 years of "
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"history. Today the city counts 12 million citizens, and "
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"is the political, economic and cultural centre of China.')");
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query.exec("create table images (locationid int, file varchar(20))");
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query.exec("insert into images values(0, 'images/oslo.png')");
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query.exec("insert into images values(1, 'images/brisbane.png')");
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query.exec("insert into images values(2, 'images/redwood.png')");
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query.exec("insert into images values(3, 'images/berlin.png')");
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query.exec("insert into images values(4, 'images/munich.png')");
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query.exec("insert into images values(5, 'images/beijing.png')");
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return true;
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}
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//! [0]
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#endif
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