case 'search_customer_status':
                $tmp_where = '';
                foreach ($objFormParam->getValue($key) as $element) {
                    if ($element != '') {
                        if ($tmp_where == '') {
                            $tmp_where .= ' AND ( EXISTS(SELECT * FROM dtb_customer WHERE customer_id = dtb_order.customer_id AND customer_status = ?) ';
                        } else {
                            $tmp_where .= ' OR EXISTS(SELECT * FROM dtb_customer WHERE customer_id = dtb_order.customer_id AND customer_status = ?)';
                        }
                        $arrValues[] = $element;
                    }
                }

                if (!SC_Utils_Ex::isBlank($tmp_where)) {
                    $tmp_where .= ')';
                    $where .= " $tmp_where ";
                }
                break;