MDL-57649 mod_lesson: Improvement to upgrade query.

We only need one record for each filearea that we are removing.
2017-07-20 09:59:42 +08:00
parent c1f1327009
commit ede53ca719
1 changed files with 1 additions and 1 deletions
@@ -419,7 +419,7 @@ function xmldb_lesson_upgrade($oldversion) {
    if ($oldversion < 2017051501) {

        // Delete orphaned lesson answer and response files.
-        $sql = "SELECT DISTINCT f.*
+        $sql = "SELECT DISTINCT f.contextid, f.component, f.filearea, f.itemid
                  FROM {files} f
             LEFT JOIN {lesson_answers} la ON f.itemid = la.id
                 WHERE component = :component