Resolve "Wiki Seiten laden teilweise extrem lange"

Closes #5770

Merge request studip/studip!4401

1 files changed, 20 insertions, 0 deletions

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`)");
+    }
+}