database.h Example File

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#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 (! { QMessageBox::critical(nullptr, QObject::tr("Cannot open database"), QObject::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\xc3\xb8r', 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

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