From 6db30e2f7a6dbd772caf02dc3d6d93117200c9f5 Mon Sep 17 00:00:00 2001
From: tkleinke <thomas.kleinke@gbv.de>
Date: Wed, 8 Nov 2023 18:01:30 +0100
Subject: [PATCH] Improve performance of warnings updater

---
 core/src/datastore/warnings-updater.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/datastore/warnings-updater.ts b/core/src/datastore/warnings-updater.ts
index 9637d61004..a1432738ac 100644
--- a/core/src/datastore/warnings-updater.ts
+++ b/core/src/datastore/warnings-updater.ts
@@ -50,7 +50,7 @@ export module WarningsUpdater {
                     );
                 }
             }
-        } else if (document.warnings) {
+        } else if (document.warnings?.nonUniqueIdentifier) {
             delete document.warnings.nonUniqueIdentifier;
             if (!Warnings.hasWarnings(document.warnings)) delete document.warnings;
             indexFacade.put(document);