From f38db1974d99a2fdd2b3406c1ab8302653d9404a Mon Sep 17 00:00:00 2001
From: Anton Alkin <anton.alkin@cern.ch>
Date: Tue, 13 Jan 2026 13:28:50 +0100
Subject: [PATCH] use better criterion to add arrow support service

---
 Framework/Core/src/runDataProcessing.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Framework/Core/src/runDataProcessing.cxx b/Framework/Core/src/runDataProcessing.cxx
index 14bdb2d8c72d9..166f26878c363 100644
--- a/Framework/Core/src/runDataProcessing.cxx
+++ b/Framework/Core/src/runDataProcessing.cxx
@@ -3010,8 +3010,8 @@ int doMain(int argc, char** argv, o2::framework::WorkflowSpec const& workflow,
   ServiceSpecs driverServices = ServiceSpecHelpers::filterDisabled(CommonDriverServices::defaultServices(), driverServicesOverride);
   // We insert the hash for the internal devices.
   WorkflowHelpers::injectServiceDevices(physicalWorkflow, configContext);
-  auto reader = std::find_if(physicalWorkflow.begin(), physicalWorkflow.end(), [](DataProcessorSpec& spec) { return spec.name == "internal-dpl-aod-reader"; });
-  if (reader != physicalWorkflow.end()) {
+  auto& dec = configContext.services().get<DanglingEdgesContext>();
+  if (!(dec.requestedAODs.empty() && dec.requestedDYNs.empty() && dec.requestedIDXs.empty() && dec.requestedTIMs.empty())) {
     driverServices.push_back(ArrowSupport::arrowBackendSpec());
   }
   for (auto& service : driverServices) {