From a8e66c67f601587789ff00b6a2f54d65c2afc628 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Thu, 2 Apr 2026 11:40:20 +0200
Subject: [PATCH] DPL: fix long standing bug with ArrayString serialization

This is actually the reason why tables are lost from the metadata.
---
 Framework/Core/src/VariantJSONHelpers.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Framework/Core/src/VariantJSONHelpers.cxx b/Framework/Core/src/VariantJSONHelpers.cxx
index fbb5abb331867..f3d6061020ea2 100644
--- a/Framework/Core/src/VariantJSONHelpers.cxx
+++ b/Framework/Core/src/VariantJSONHelpers.cxx
@@ -339,7 +339,7 @@ void writeVariant(std::ostream& o, Variant const& v)
     rapidjson::Writer<rapidjson::OStreamWrapper> w(osw);
 
     auto writeArray = [&](auto* values, size_t size) {
-      using T = std::remove_pointer_t<decltype(values)>;
+      using T = std::remove_cv_t<std::remove_pointer_t<decltype(values)>>;
       w.StartArray();
       for (auto i = 0u; i < size; ++i) {
         if constexpr (std::is_same_v<int, T>) {