/**
  * Get collection size
  *
  * @return int
  */
 public function getSize()
 {
     if (!$this->_interferWithCountSql) {
         return parent::getSize();
     }
     if (is_null($this->_totalRecords)) {
         $sql = $this->getSelectCountSql();
         $this->_totalRecords = count($this->getConnection()->fetchAll($sql, $this->_bindParams));
     }
     return intval($this->_totalRecords);
 }