addSql('ALTER TABLE users ADD api_key VARCHAR(64) NOT NULL'); $this->addSql('CREATE UNIQUE INDEX UNIQ_1483A5E9C912ED9D ON users (api_key)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP INDEX UNIQ_1483A5E9C912ED9D ON users'); $this->addSql('ALTER TABLE users DROP api_key'); } }