addSql('ALTER TABLE application ADD uuid VARCHAR(36) NOT NULL'); $this->addSql('CREATE UNIQUE INDEX UNIQ_A45BDDC1D17F50A6 ON application (uuid)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP INDEX UNIQ_A45BDDC1D17F50A6 ON application'); $this->addSql('ALTER TABLE application DROP uuid'); } }