RAW result query on Extbase

SomeRepository.php

<?php

	function findRaw(){

		$localQuery = $this->createQuery();
		$storagePageIds = $localQuery->getQuerySettings()->getStoragePageIds();
		$querySettings = $localQuery->getQuerySettings();
		$querySettings->setReturnRawQueryResult(TRUE);
		$localQuery->setQuerySettings( $querySettings );

		$localQuery->statement('select mm2.uid_foreign as ea, cl.uid as cl '.
 			 	' from tx_extension_domain_model_courselevels cl '.
				' inner join tx_extension_serie_courselevels_mm mm on mm.uid_foreign = cl.uid '.
				' inner join tx_extension_serie_educationalarea_mm mm2 on mm.uid_local = mm2.uid_local '.
				' inner join tx_extension_domain_model_educationalarea ea on mm2.uid_foreign = ea.uid '.
				' where cl.new != 0 '.
				' AND cl.pid IN (' . implode(', ', $storagePageIds) . ') '.
				' AND ea.pid IN (' . implode(', ', $storagePageIds) . ') '.
				'order by ea.sorting, cl.sorting ');

		$result = $localQuery->execute(); 
	}

?>