left join in laravel eloquent code example

Example 1: laravel find query

return Destination::orderByDesc(
    Flight::select('arrived_at')
        ->whereColumn('destination_id', 'destinations.id')
        ->orderBy('arrived_at', 'desc')
        ->limit(1)
)->get();

Example 2: laravel find query

foreach (Flight::where('foo', 'bar')->cursor() as $flight) {
    //
}