[scn] fix failure of mittest after refresh feature scn

src/sql/engine/ob_physical_plan.cpp

@@ -115,8 +115,6 @@ ObPhysicalPlan::ObPhysicalPlan(MemoryContext &mem_context /* = CURRENT_CONTEXT *
     contain_pl_udf_or_trigger_(false),
     ddl_schema_version_(0),
     ddl_table_id_(0),
-    ddl_execution_id_(0),
-    ddl_task_id_(0),
     is_packed_(false),
     has_instead_of_trigger_(false)
 {
@@ -740,10 +738,7 @@ OB_SERIALIZE_MEMBER(ObPhysicalPlan,
                     contain_pl_udf_or_trigger_,
                     is_packed_,
                     has_instead_of_trigger_,
-                    is_plain_insert_,
-                    ddl_execution_id_,
-                    ddl_task_id_,
-                    stat_.plan_id_);
+                    is_plain_insert_);
 
 int ObPhysicalPlan::set_table_locations(const ObTablePartitionInfoArray &infos,
                                         ObSchemaGetterGuard &schema_guard)