How to modify Symfony ORM insert\update query - symfony

Question

I have project that is migrate to Symfony, that project have multiple tables,and also some tables are migrated to ORM, but now i need to incert/update from Symfony to table that have Entity but not managed by ORM. Problem consist in not null columns that require some value and in Entity I cannot define that value because of table relations.
It posible to edit MySql query before they submited to Database.
For example i have Entity:
namespace App\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* User
*
* #ORM\Table(name="p_user")
* #ORM\Entity(repositoryClass="App\Repository\UserRepository")
*/
class User
{
/**
* #var int
*
* #ORM\Column(name="user_id", type="integer")
* #ORM\Id
* #ORM\GeneratedValue(strategy="IDENTITY")
*/
private $id;
/**
* #var string|null
*
* #ORM\Column(name="name", type="string", length=55, nullable=true)
*/
private $name;
/**
* #var Permission
*
* #ORM\ManyToOne(targetEntity="Permission", inversedBy="user", cascade={"persist", "remove"})
* #ORM\JoinColumn(name="permission_id", referencedColumnName="permission_id", onDelete="CASCADE")
*/
private $permission;
}
permission_id can be null but in database is not null with default value 0, same for name but with default value ''.
That mean when I make flush, ORM execute INSERT INTO p_user (name, permission_id) VALUES ('name', null), but I want also to execute INSERT INTO p_user (name) VALUES ('name').
It's possible to do that I wanted.

Answer 1

To achieve this you can provide default values.
private $permission = 0;
private $name = '';