[CP] add serialization size check

src/sql/engine/expr/ob_expr.h

@@ -1235,6 +1235,7 @@ struct ObSerCArray
   ObSerCArray(T &data, U &cnt) : data_(data), cnt_(cnt) {}
   T &data_;
   U &cnt_;
+  TO_STRING_KV(K(cnt_));
 };
 
 template <typename T, typename U>

src/sql/engine/expr/ob_expr_dll_udf.h

@@ -103,6 +103,7 @@ public:
   common::ObFixedArray<ObExprResType, common::ObIAllocator> udf_attributes_types_;
   // indicate the argument is const expr or not
   common::ObFixedArray<bool, common::ObIAllocator> args_const_attr_;
+  TO_STRING_KV(K(udf_meta_), K(udf_attributes_), K(udf_attributes_types_), K(args_const_attr_));
 };
 
 OB_DEF_SERIALIZE(ObDllUdfInfo<UF>, template<typename UF>)

src/sql/engine/expr/ob_i_expr_extra_info.h

@@ -40,6 +40,7 @@ public:
                         ObIExprExtraInfo *&copied_info) const = 0;
 public:
   ObExprOperatorType type_;
+  TO_STRING_KV(K(type_));
 };
 
 } // end namespace sql