From 5444f19c09fd8d5c4757221926499a50e9654748 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Sch=C3=BCttl=C3=B6ffel?=
 <schuettloeffel@zqs.uni-hannover.de>
Date: Thu, 7 Aug 2025 06:47:05 +0000
Subject: Resolve "Wiki Seiten laden teilweise extrem lange"

Closes #5770

Merge request studip/studip!4401
---
 .../5.5.33_add_index_wikipages_parentid.php          | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 db/migrations/5.5.33_add_index_wikipages_parentid.php

diff --git a/db/migrations/5.5.33_add_index_wikipages_parentid.php b/db/migrations/5.5.33_add_index_wikipages_parentid.php
new file mode 100644
index 0000000..bcbda7e
--- /dev/null
+++ b/db/migrations/5.5.33_add_index_wikipages_parentid.php
@@ -0,0 +1,20 @@
+<?php
+
+class AddIndexWikipagesParentid extends Migration
+{
+
+    public function description()
+    {
+        return 'Adds index for parent_id to wiki_pages. @see: #5770';
+    }
+
+    public function up()
+    {
+        DBManager::get()->exec("ALTER TABLE `wiki_pages` ADD INDEX parent_id (`parent_id`)");
+    }
+
+    public function down()
+    {
+        DBManager::get()->exec("ALTER TABLE `wiki_pages` DROP INDEX (`parent_id`)");
+    }
+}
-- 
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