owncloud / core

	 * @param IShare $share

	 * @return IShare The share object

	 */

	public function update(IShare $share) {

		/*

		 * We allow updating the permissions of federated shares

		 */

		$qb = $this->dbConnection->getQueryBuilder();

			$qb->update('share')

				->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))

				->set('permissions', $qb->createNamedParameter($share->getPermissions()))

				->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))

				->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))

				->execute();

		return $share;

	}

	/**

	 * @inheritdoc

		], ['root_id', 'user_id']);

	}

	private function setMountPoint(ICachedMountInfo $mount) {

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

		$query = $builder->update('mounts')

			->set('mount_point', $builder->createNamedParameter($mount->getMountPoint()))

			->where($builder->expr()->eq('user_id', $builder->createNamedParameter($mount->getUser()->getUID())))

			->andWhere($builder->expr()->eq('root_id', $builder->createNamedParameter($mount->getRootId(), IQueryBuilder::PARAM_INT)));

		$query->execute();

	}

	private function removeFromCache(ICachedMountInfo $mount) {

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