From b8f0ff3e6b43845cf8740fca7e7019e207600be4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20M=C3=BCller?= <marcel-mueller@gmx.de>
Date: Mon, 12 Oct 2026 18:30:04 +0200
Subject: [PATCH] chore: Skip transaction when no preview exists
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Assisted-by: ClaudeCode:claude-opus-5-5
Signed-off-by: Marcel Müller <marcel-mueller@gmx.de>
---
 lib/private/Preview/Watcher.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/private/Preview/Watcher.php b/lib/private/Preview/Watcher.php
index 342ec20adf51a..26a0d50bba05e 100644
--- a/lib/private/Preview/Watcher.php
+++ b/lib/private/Preview/Watcher.php
@@ -50,6 +50,10 @@ protected function deleteNode(FileInfo $node): void {
 		}
 
 		[$node->getId() => $previews] = $this->previewMapper->getAvailablePreviews([$nodeId]);
+		if ($previews === []) {
+			return;
+		}
+
 		$this->connection->beginTransaction();
 		try {
 			foreach ($previews as $preview) {