Query Problem

[eluser]Sawariya[/eluser]
I have some problem while write this query in code igniter format.. Anybody can help me..

"SELECT created_on,user_id,profilepic FROM xyz WHERE date_format(created_on,'%Y-%m') < date_format(now(), '%Y-%m') GROUP BY date_format(created_on,'%Y-%m') desc ";


here created_on is table field name


Thanks in advance.............