addSql('ALTER TABLE chill_doc.stored_object ADD uuid UUID NOT NULL'); $this->addSql('CREATE UNIQUE INDEX UNIQ_49604E36D17F50A6 ON chill_doc.stored_object (uuid)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP INDEX UNIQ_49604E36D17F50A6'); $this->addSql('ALTER TABLE chill_doc.stored_object DROP uuid'); } }