赋初始值时先判断是否已经有值；初始化方式由小括号更改为花括号；

qicosmos · Dec 12, 2024 · ea69f67 · ea69f67
1 parent 18990a7
commit ea69f67
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ormpp/mysql.hpp b/ormpp/mysql.hpp
@@ -210,7 +210,9 @@ class mysql {
     using U = std::remove_const_t<std::remove_reference_t<T>>;
     if constexpr (is_optional_v<U>::value) {
       using value_type = typename U::value_type;
-      value = value_type();
+      if(!value.has_value()) {
+        value = value_type{};
+      }
       return set_param_bind(param_bind, *value, i, mp, is_null);
     }
     else if constexpr (std::is_enum_v<U>) {