/**
  * Handles collection filtering by ids retrieves from search engine.
  * Will also stores faceted data and total records.
  *
  * @return Mage_Catalog_Model_Resource_Category_Collection
  */
 protected function _beforeLoad()
 {
     $this->_prepareQuery();
     $ids = array();
     $result = $this->getSearchEngineQuery()->search();
     $ids = isset($result['ids']) ? $result['ids'] : array();
     $this->_facetedData = isset($result['faceted_data']) ? $result['faceted_data'] : array();
     $this->_totalRecords = isset($result['total_count']) ? $result['total_count'] : null;
     $this->_isSpellChecked = isset($result['is_spellchecked']) ? $result['is_spellchecked'] : false;
     if (empty($ids)) {
         $ids = array(0);
         // Fix for no result
     }
     $this->addIdFilter($ids);
     $this->_searchedEntityIds = $ids;
     $this->_pageSize = false;
     return parent::_beforeLoad();
 }