addSql('ALTER TABLE client CHANGE name name VARCHAR(255) NOT NULL'); $this->addSql('ALTER TABLE network_settings CHANGE mcast_speed mcast_speed INT DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE network_settings CHANGE mcast_speed mcast_speed INT NOT NULL'); $this->addSql('ALTER TABLE client CHANGE name name VARCHAR(255) DEFAULT NULL'); } }