symfony-playground/src/Entity/MerParaDM.php

<?php

namespace App\Entity;

use App\Repository\MerParaDMRepository;
use Doctrine\ORM\Mapping as ORM;

#[ORM\Entity(repositoryClass: MerParaDMRepository::class)]
class MerParaDM extends MerService
{
    use MerDM;

//    #[ORM\Id]
//    #[ORM\GeneratedValue]
//    #[ORM\Column(type: 'integer')]
//    private $id;

    #[ORM\Column(type: 'string', length: 255)]
    private $product_code;

//    public function getId(): ?int
//    {
//        return $this->id;
//    }

    public function getProductCode(): ?string
    {
        return $this->product_code;
    }

    public function setProductCode(string $productCode): self
    {
        $this->product_code = $productCode;

        return $this;
    }
}