remove table wiki_links via migration, fixes #5833

Closes #5833

Merge request studip/studip!4446

2 files changed, 25 insertions, 4 deletions

diff --git a/db/migrations/5.5.34_remove_table_wiki_links.php b/db/migrations/5.5.34_remove_table_wiki_links.php
new file mode 100644
index 0000000..961a5b4
--- /dev/null
+++ b/db/migrations/5.5.34_remove_table_wiki_links.php
@@ -0,0 +1,25 @@
+<?php
+final class RemoveTableWikiLinks extends Migration
+{
+    public function description()
+    {
+        return 'Removes the table "wiki_links"';
+    }
+
+    protected function up()
+    {
+        $query = "DROP TABLE `wiki_links`";
+        DBManager::get()->exec($query);
+    }
+
+    protected function down()
+    {
+        $query = "CREATE TABLE `wiki_links` (
+                    `range_id` CHAR(32) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL DEFAULT '',
+                    `from_page_id` INT(10) UNSIGNED NOT NULL,
+                    `to_page_id` INT(10) UNSIGNED NOT NULL,
+                    PRIMARY KEY (`range_id`,`to_page_id`,`from_page_id`)
+                  )";
+        DBManager::get()->exec($query);
+    }
+}
diff --git a/lib/models/Course.php b/lib/models/Course.php
index 5d31ffd..6d53399 100644
--- a/lib/models/Course.php
+++ b/lib/models/Course.php
@@ -391,10 +391,6 @@ class Course extends SimpleORMap implements Range, PrivacyObject, StudipItem, Fe
             StudipNews::DeleteNewsRanges($course->id);
             StudipNews::UnsetRssId($course->id);
 
-            //Cleanup remaining wiki table entries:
-            $query = 'DELETE FROM `wiki_links` WHERE `range_id` = ?';
-            DBManager::get()->execute($query, [$course->id]);
-
             //Remove all entries of the course in calendars:
             $query = 'DELETE FROM `schedule_courses` WHERE `course_id` = ?';
             $statement = DBManager::get()->execute($query, [$course->id]);