Problem with Select in Codeigniter

[eluser]yoelrodguez[/eluser]
Hi all I’m having problems when I try to insert a function of Select detro example DATE_FORMAT (date_end, ‘% W% M% Y’) AS dateend here tells me that the ‘% W% M% Y’ the method is unknown I’m using is:
$ this-> db-> select (name, DATE_FORMAT (date_end, ‘% W% M% Y’) AS dateend)