Laravel model iterable trait.php

<?php

namespace App\Models\Traits;

use Illuminate\Support\Facades\DB;
use PDO;

trait Iterable
{
    public static function iterate(array $columns = [])
    {
        $query = DB::table((new self)->getTable());
        if (!empty($columns)) {
            $query->select($columns);
        }
        
        $pdo = $query->getConnection()->getPdo();
        $pdo->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false);
        
        $statement = $pdo->prepare($query->toSql());
        $statement->execute($query->getBindings());
        
        while ($row = $statement->fetch(PDO::FETCH_OBJ)) {
            yield $row;
        }
    }
}