1 files changed, 1 insertions, 0 deletions
diff --git a/sql/item_func.h b/sql/item_func.h
index e512c94efc1..67049af81a2 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -1455,6 +1455,7 @@ public:
                            LEX_STRING *component_arg, const char *name_arg,
                            size_t name_len_arg);
   enum Functype functype() const { return GSYSVAR_FUNC; }
+  void update_null_value();
   void fix_length_and_dec();
   void print(String *str, enum_query_type query_type);
   bool const_item() const { return true; }