옵션관련 필드 cart에 추가

extend/shop.extend.php

@@ -116,6 +116,17 @@ if(!$result) {
                     ADD `od_mobile` TINYINT(4) NOT NULL DEFAULT '0' AFTER `od_time` ", false);
 }
 
+// ct_option 추가
+$sql = " select ct_option from {$g4['shop_cart_table']} limit 1 ";
+$result = sql_query($sql, false);
+if(!$result) {
+    sql_query(" ALTER TABLE `{$g4['shop_cart_table']}`
+                    ADD `ct_option` VARCHAR(255) NOT NULL DEFAULT '' AFTER `ct_stock_use`,
+                    ADD `io_id` VARCHAR(255) NOT NULL DEFAULT '' AFTER `ct_qty`,
+                    ADD `io_type` TINYINT(4) NOT NULL DEFAULT '0' AFTER `io_id`,
+                    ADD `io_price` INT(11) NOT NULL DEFAULT '0' AFTER `io_type` ", false);
+}
+
 // it_brand 추가
 /*
 $sql = " select it_brand from {$g4['shop_item_table']} limit 1 ";