From 4145100a0f2fdd412dafab99c41ddd998d9ad4b3 Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Willms <tleilax+studip@gmail.com>
Date: Fri, 20 Feb 2026 17:01:28 +0100
Subject: delete log action's events directly by sql to avoid memory issues,
 fixes #6285

Closes #6285

Merge request studip/studip!4754
---
 lib/models/LogAction.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/models/LogAction.php b/lib/models/LogAction.php
index 4c0fe32..e53ede9 100644
--- a/lib/models/LogAction.php
+++ b/lib/models/LogAction.php
@@ -36,7 +36,13 @@ class LogAction extends SimpleORMap
 
         $config['has_many']['events'] = [
             'class_name' => LogEvent::class,
-            'on_delete'  => 'delete',
+            'on_delete'  => function (LogAction $action) {
+                // Direct db query to avoid memory issues
+                return DBManager::get()->execute(
+                    'DELETE FROM `log_events` WHERE `action_id` = ?',
+                    [$action->id]
+                );
+            },
         ];
 
         parent::configure($config);
-- 
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