addSql('ALTER TABLE bovine ADD work_number VARCHAR(50) DEFAULT NULL'); $this->addSql('ALTER TABLE bovine ADD birth_date DATE DEFAULT NULL'); $this->addSql('ALTER TABLE bovine ADD breed_code VARCHAR(20) DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE bovine DROP work_number'); $this->addSql('ALTER TABLE bovine DROP birth_date'); $this->addSql('ALTER TABLE bovine DROP breed_code'); } }