MDL-43946 gradebook upgrade Improve SQL to find duplicate sortorders.

2014-02-05 09:57:30 -05:00
parent 4f6e4f8d86
commit e29585b206
1 changed files with 1 additions and 1 deletions
@@ -2064,7 +2064,7 @@ function upgrade_grade_item_fix_sortorder() {

    $transaction = $DB->start_delegated_transaction();

-    $sql = "SELECT g1.id, g1.courseid, g1.sortorder
+    $sql = "SELECT DISTINCT g1.id, g1.courseid, g1.sortorder
              FROM {grade_items} g1
              JOIN {grade_items} g2 ON g1.courseid = g2.courseid
             WHERE g1.sortorder = g2.sortorder AND g1.id != g2.id