Object Hierarchy

    GObject
    ├── RygelDatabaseCursor
    ├── RygelDatabaseDatabase
    ╰── RygelDatabaseSqlOperator
        ╰── RygelDatabaseSqlFunction
    RygelDatabaseCursorIterator
    GEnum
    ├── RygelDatabaseFlags
    ╰── RygelDatabaseFlavor