MDL-24678 mod_chat: Fixed race condition on chat module

2017-11-24 10:36:15 -02:00
parent 20cb5f4086
commit fdddb80b70
1 changed files with 1 additions and 1 deletions
@@ -566,7 +566,7 @@ function chat_get_latest_message($chatid, $groupid=0) {

    $sql = "SELECT *
        FROM {chat_messages_current} WHERE chatid = :chatid $groupselect
-        ORDER BY timestamp DESC";
+        ORDER BY timestamp DESC, id DESC";

    // Return the lastest one message.
    return $DB->get_record_sql($sql, $params, true);