private function getMappingData()
 {
     $conn = Propel::getConnection();
     $c = new Criteria();
     $c->add(ImportMappingPeer::IMPORT_FILE_TYPE, EnumItemPeer::CSV_TYPE);
     $c->addAscendingOrderByColumn(ImportMappingPeer::COLUMN);
     return ImportMappingPeer::doselect($c, $conn);
 }