From c7cba4a85bbeb27b21073c04e537ae4dc4b0e856 Mon Sep 17 00:00:00 2001
From: Xavier Robin <xavier.robin@unibas.ch>
Date: Wed, 16 Aug 2023 13:08:10 +0200
Subject: [PATCH] fix: try with a different sorting syntax

---
 modules/conop/src/compound_lib.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/conop/src/compound_lib.cc b/modules/conop/src/compound_lib.cc
index b875a3b65..7d906fb3f 100644
--- a/modules/conop/src/compound_lib.cc
+++ b/modules/conop/src/compound_lib.cc
@@ -559,7 +559,7 @@ CompoundPtr CompoundLib::FindCompound(const String& id,
          " WHERE " + by + "=? AND dialect='"+String(1, char(dialect))+"'";
   if(obsolete_available_) {
     // Prefer active compounds, then the ones with a replacement
-    query+=" ORDER BY obsolete, replaced_by NULLS LAST";
+    query+=" ORDER BY obsolete, replaced_by IS NULL";
   }
 
   // Run the query
-- 
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