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

		$this->addSortCriteria($this->pager->getQuery());
		$this->addFiltersCriteria(
		$this->pager
		->getQuery()
						->from('OrderItem')
						->leftJoin('Member')
						->leftJoin('SubProgram')
						->leftJoin('P2MReseller')
						->where('reseller  = ?', 2)
		);