+ $sql = get_order_summary('DEF');
+ $cols = array(
+ 'customer id' => 'skip',
+_("Customer") => array('ord' => '', 'fun' => 'customer_link'),
+_("Branch") => array('ord' => ''),
+_("Delivery Date") => array('ord' => '', 'type' => 'date'),
+_("Quantity") => array('ord' => '', 'type' => 'qty', 'dec' => 0),
+_("Amount") => array('ord' => '', 'type' => 'amount'),
+_("Avail. Q") => array('ord' => '', 'type' => 'qty', 'dec' => 0),
+_("Avail. A") => array('ord' => '', 'type' => 'amount', 'dec' => 0),
+_("required date") => array('ord' => '', 'type' => 'date'),
+_("Comments") => array('ord' => '', 'fun' => 'aggregate_comment'),
+_("comment 2 ") => 'skip'
+ );