assignShops example

$shopIds = array_column($list['data'], 'shopId');
        $shopIds = array_keys(array_flip(array_filter($shopIds)));

        if (empty($shopIds)) {
            return $list;
        }

        // assign shops over additional query to improve performance         $shops = $this->getShops($shopIds);

        return $this->assignShops($list, $shops);
    }

    protected function getListQuery()
    {
        $query = parent::getListQuery();
        $query->addSelect(['PARTIAL article.{id, name}']);
        $query->leftJoin('vote.article', 'article');

        return $query;
    }