From 20d349b70b5ec4a13450e95c3c94a13560adf11f Mon Sep 17 00:00:00 2001
From: Marco Bubke <marco.bubke@qt.io>
Date: Thu, 8 Jul 2021 16:52:47 +0200
Subject: [PATCH] Sqlite: Improve compile error message

Change-Id: Ifbe778b32d066ed2b86405a4cbfd328e7abcc800
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
---
 src/libs/sqlite/sqlitebasestatement.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libs/sqlite/sqlitebasestatement.h b/src/libs/sqlite/sqlitebasestatement.h
index 41d840ecac5..c007f3d334c 100644
--- a/src/libs/sqlite/sqlitebasestatement.h
+++ b/src/libs/sqlite/sqlitebasestatement.h
@@ -210,8 +210,10 @@ public:
     }
 
     template<typename ResultType, typename... QueryTypes>
-    std::enable_if_t<!std::is_function_v<ResultType>, ResultType> value(const QueryTypes &...queryValues)
+    auto value(const QueryTypes &...queryValues)
     {
+        static_assert(!std::is_fundamental_v<ResultType>,
+                      "Use optionalValue(...) instead of value(...) for fundamental types!");
         Resetter resetter{this};
         ResultType resultValue{};