Merge branch 'MDL-78716-402' of https://github.com/paulholden/moodle into MOODLE_402_STABLE

2023-07-20 00:28:36 +08:00
parent 97fbf797c4 0bd734bdda
commit 7f50d30e9f
1 changed files with 5 additions and 1 deletions
@@ -596,7 +596,11 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
            if (core_text::strlen($data->idnumber) > 100) {
                throw new moodle_exception('idnumbertoolong');
            }
-            if (strval($data->idnumber) !== '' && $DB->record_exists('course_categories', array('idnumber' => $data->idnumber))) {
+
+            // Ensure there are no other categories with the same idnumber.
+            if (strval($data->idnumber) !== '' &&
+                    $DB->record_exists_select('course_categories', 'idnumber = ? AND id != ?', [$data->idnumber, $this->id])) {
+
                throw new moodle_exception('categoryidnumbertaken');
            }
            $newcategory->idnumber = $data->idnumber;