Fix group by for date sorting

diff --git a/includes/specials/SpecialListusers.php b/includes/specials/SpecialListusers.php
index 8895c14..ff9e57e 100644 (file)
--- a/includes/specials/SpecialListusers.php
+++ b/includes/specials/SpecialListusers.php
@@ -98,8 +98,9 @@ class UsersPager extends AlphabeticPager {
                $query = array(
                        'tables' => " $user $useIndex LEFT JOIN $user_groups ON user_id=ug_user
                                LEFT JOIN $ipblocks ON user_id=ipb_user AND ipb_auto=0 ",
-                       'fields' => array('user_name',
-                               'MAX(user_id) AS user_id',
+                       'fields' => array(
+                               $this->creationSort ? 'MAX(user_name) AS user_name' : 'user_name',
+                               $this->creationSort ? 'user_id' : 'MAX(user_id) AS user_id',
                                'MAX(user_editcount) AS edits',
                                'COUNT(ug_group) AS numgroups',
                                'MAX(ug_group) AS singlegroup',