MDL-13399 prevent ambiguous column names in get_my_courses; merged from MOODLE_19_STABLE

2008-02-18 20:14:16 +00:00
parent 47ab6f83bb
commit 7007049315
1 changed files with 10 additions and 0 deletions
@@ -832,6 +832,16 @@ function get_my_courses($userid, $sort='visible DESC,sortorder ASC', $fields=NUL
    $orderby = '';
    $sort    = trim($sort);
    if (!empty($sort)) {
+        $rawsorts = explode(',', $sort);
+        $sorts = array();
+        foreach ($rawsorts as $rawsort) {
+            $rawsort = trim($rawsort);
+            if (strpos('c.', $rawsort)) {
+                $rawsort = substr($rawsort, 2);
+            }
+            $sorts[] = trim($rawsort);
+        }
+        $sort = 'c.'.implode(',c.', $sorts);
        $orderby = "ORDER BY $sort";
    }