addSql('ALTER TABLE user ADD uuid CHAR(36) NOT NULL COMMENT \'(DC2Type:uuid)\', ADD migration_id VARCHAR(255) DEFAULT NULL'); $this->addSql('CREATE UNIQUE INDEX UNIQ_8D93D649D17F50A6 ON user (uuid)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP INDEX UNIQ_8D93D649D17F50A6 ON user'); $this->addSql('ALTER TABLE user DROP uuid, DROP migration_id'); } }