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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 (!db.open()) { |
| 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 |
| |
| |