addSql('ALTER TABLE collection.cpu ADD l1_data_way INT DEFAULT NULL'); $this->addSql('ALTER TABLE collection.cpu ADD l1_code_way INT DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('CREATE SCHEMA public'); $this->addSql('ALTER TABLE collection.cpu DROP l1_data_way'); $this->addSql('ALTER TABLE collection.cpu DROP l1_code_way'); } }