fix update plan detective failed

src/share/resource_manager/ob_resource_manager_proxy.cpp

@@ -1080,9 +1080,10 @@ int ObResourceManagerProxy::update_plan_directive(
       LOG_USER_ERROR(OB_ERR_PLAN_DIRECTIVE_NOT_EXIST,
                      plan.length(), plan.ptr(), group.length(), group.ptr());
     } else if (comments.is_null() && mgmt_p1.is_null() && utilization_limit.is_null() &&
-               min_iops.is_null() && max_iops.is_null() && weight_iops.is_null()) {
+               min_iops.is_null() && max_iops.is_null() && weight_iops.is_null() && max_net_bandwidth.is_null() && net_bandwidth_weight.is_null()) {
       // 没有指定任何有效参数，什么都不做，也不报错。兼容 Oracle 行为。
       ret = OB_SUCCESS;
+      LOG_WARN("did not receive any valid parameter", K(ret));
     } else if (OB_FAIL(sql.assign_fmt("UPDATE /* UPDATE_PLAN_DIRECTIVE */ %s SET ", tname))) {
       STORAGE_LOG(WARN, "append table name failed, ", K(ret));
     } else {
@@ -1179,6 +1180,8 @@ int ObResourceManagerProxy::update_plan_directive(
               LOG_WARN("fail get percentage", K(ret));
             } else if (OB_FAIL(sql.append_fmt("%s MAX_NET_BANDWIDTH=%ld", comma, v))) {
               LOG_WARN("fail append value", K(ret));
+            } else {
+              comma = ",";
             }
           }
         }
@@ -1188,6 +1191,8 @@ int ObResourceManagerProxy::update_plan_directive(
               LOG_WARN("fail get percentage", K(ret));
             } else if (OB_FAIL(sql.append_fmt("%s NET_BANDWIDTH_WEIGHT=%ld", comma, v))) {
               LOG_WARN("fail append value", K(ret));
+            } else {
+              comma = ",";
             }
           }
         }

src/share/resource_manager/ob_resource_plan_info.cpp

@@ -11,7 +11,6 @@
  */
 
 #define USING_LOG_PREFIX SHARE
-
 #include "ob_resource_plan_info.h"
 
 using namespace oceanbase::common;