fixes #4196

Closes #4196

Merge request studip/studip!3027

db/migrations/6.0.6_adjust_default_cache_name.php

+<?php
+/**
+ * @see https://gitlab.studip.de/studip/studip/-/issues/4196
+ */
+return new class extends Migration
+{
+    public function description()
+    {
+        return 'Adjust the default cache in table "config" as well"';
+    }
+
+    protected function up()
+    {
+        $query = "UPDATE `config`
+                  SET `value` = JSON_REPLACE(`value`, '$.type', ?)
+                  WHERE `field` = 'SYSTEMCACHE'";
+        DBManager::get()->execute($query, [Studip\Cache\DbCache::class]);
+    }
+
+    protected function down()
+    {
+        $query = "UPDATE `config`
+                  SET `value` = JSON_REPLACE(`value`, '$.type', ?)
+                  WHERE `field` = 'SYSTEMCACHE'";
+        DBManager::get()->execute($query, [StudipDbCache::class]);
+    }
+};