nextcloud / server

	}

	private function reparent($from, $to) {

		if (!$this->reparentQuery) {

			$builder = $this->connection->getQueryBuilder();

			$this->reparentQuery = $builder->update('filecache')

				->set('parent', $builder->createParameter('to'))

				->where($builder->expr()->eq('fileid', $builder->createParameter('from')));

		}

		$this->reparentQuery->setParameter('from', $from);

		$this->reparentQuery->setParameter('to', $to);

	}

	private function delete($fileid) {

		if (!$this->deleteQuery) {

			$builder = $this->connection->getQueryBuilder();

			$this->deleteQuery = $builder->delete('filecache')

				->where($builder->expr()->eq('fileid', $builder->createParameter('fileid')));

		}

		$this->deleteQuery->setParameter('fileid', $fileid, IQueryBuilder::PARAM_INT);