addSql('ALTER TABLE user ADD created_at DATETIME NOT NULL, ADD updated_at DATETIME NOT NULL, ADD created_by VARCHAR(255) DEFAULT NULL, ADD updated_by VARCHAR(255) DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE user DROP created_at, DROP updated_at, DROP created_by, DROP updated_by'); } }