Issue #3254887 by stefan.korn: Search API Exact Match Boost does not work with other database

      if (!empty($searchkeys)) {

        /* @var \Drupal\views\ViewExecutable $view */

        $view = $query->getOption('search_api_view');

        $database = Drupal::database();

        /* @var \Drupal\search_api_db\Plugin\search_api\backend\Database $backend */

        $backend = $this->searchServer->getBackend();

        $database = $backend->getDatabase();

        $items = [];

        try {

          $this->transliterationProcessor = $this->index->getProcessor('transliteration');