protected function _prepareCollection(Mzax_Emarketing_Model_Object_Collection $collection) { parent::_prepareCollection($collection); $collection->addField('last_login', new Zend_Db_Expr('MAX(`log`.`login_at`)')); }
protected function _prepareCollection(Mzax_Emarketing_Model_Object_Collection $collection) { parent::_prepareCollection($collection); }
protected function _prepareCollection(Mzax_Emarketing_Model_Object_Collection $collection) { parent::_prepareCollection($collection); $collection->addField('customer_id'); $collection->addField('orders', new Zend_Db_Expr('COUNT(DISTINCT `order_id`)')); }