<?phpdeclare(strict_types=1);namespace DoctrineMigrations;use Doctrine\DBAL\Schema\Schema;use Doctrine\Migrations\AbstractMigration;final class Version20230914201807 extends AbstractMigration{ public function up(Schema $schema): void { $this->addSql('ALTER TABLE submission_item ADD description_generated TINYINT(1) DEFAULT NULL'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE submission_item DROP description_generated'); }}