decltype is_null type, bool or my_bool

qicosmos · Aug 23, 2023 · 1c3e791 · 1c3e791
1 parent 1ccb6bd
commit 1c3e791
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/include/mysql.hpp b/include/mysql.hpp
@@ -344,9 +344,9 @@ class mysql {
     return v;
   }
 
-  template <typename T>
+  template <typename T, typename B>
   void set_param_bind(MYSQL_BIND &param_bind, T &&value, int i,
-                      std::map<size_t, std::vector<char>> &mp, bool &is_null) {
+                      std::map<size_t, std::vector<char>> &mp, B &&is_null) {
     using U = std::remove_const_t<std::remove_reference_t<T>>;
     if constexpr (is_optional_v<U>::value) {
       return set_param_bind(param_bind, *value, i, mp, is_null);
@@ -377,7 +377,7 @@ class mysql {
       param_bind.buffer = &(mp.rbegin()->second[0]);
       param_bind.buffer_length = 65536;
     }
-    param_bind.is_null = &is_null;
+    param_bind.is_null = is_null;
   }
 
   template <typename T>
@@ -435,9 +435,9 @@ class mysql {
       return {};
     }
 
+    std::array<decltype(std::declval<MYSQL_BIND>().is_null), SIZE> nulls = {};
     std::array<MYSQL_BIND, SIZE> param_binds = {};
     std::map<size_t, std::vector<char>> mp;
-    std::array<bool, SIZE> nulls = {};
 
     std::vector<T> v;
     T t{};