Merge "PostgreSQL: Fix Special:ActiveUsers GROUP BY query"

diff --git a/includes/specials/SpecialActiveusers.php b/includes/specials/SpecialActiveusers.php
index ff63243..0caf6b4 100644 (file)
--- a/includes/specials/SpecialActiveusers.php
+++ b/includes/specials/SpecialActiveusers.php
@@ -115,10 +115,16 @@ class ActiveUsersPager extends UsersPager {
                        ) . ')';
                }
 
+               if ( $dbr->implicitGroupby() ) {
+                       $options = array( 'GROUP BY' => array( 'qcc_title' ) );
+               } else {
+                       $options = array( 'GROUP BY' => array( 'user_name', 'user_id', 'qcc_title' ) );
+               }
+
                return array(
                        'tables' => array( 'querycachetwo', 'user', 'recentchanges' ),
                        'fields' => array( 'user_name', 'user_id', 'recentedits' => 'COUNT(*)', 'qcc_title' ),
-                       'options' => array( 'GROUP BY' => array( 'qcc_title' ) ),
+                       'options' => $options,
                        'conds' => $conds
                );
        }