fetchStreamsForCustomers example

            [':id' => $categoryId]
        );
    }

    /** * {@inheritdoc} */
    public function fetchBackendListing(array $ids)
    {
        $streams = $this->fetchStreamsForCustomers($ids);

        /** @var \Doctrine\DBAL\Query\QueryBuilder $query */
        $query = $this->connection->createQueryBuilder();
        $query->select('*');
        $query->from('s_customer_search_index', 'search_index');
        $query->where('search_index.id IN (:ids)');
        $query->setParameter(':ids', $ids, Connection::PARAM_INT_ARRAY);

        $dataRows = $query->execute()->fetchAll(PDO::FETCH_GROUP | PDO::FETCH_UNIQUE);

        $sorted = [];