$this->pager = new sfDoctrinePager('OrderItem o', 20);

		$this->addSortCriteria($this->pager->getQuery());
		$this->addFiltersCriteria(
		$this->pager
		->getQuery()
						->leftJoin('o.Member m')
						->leftJoin('o.SubProgram s')
						->leftJoin('o.P2MReseller r')
						->where('o.reseller  = ?', 2)
		);