API: (bug 17563) Fix regression from r46845 that changed the output for list=backlink...
[lhc/web/wiklou.git] / includes / SiteStats.php
index 48df848..9427536 100644 (file)
@@ -93,6 +93,11 @@ class SiteStats {
                self::load();
                return self::$row->ss_users;
        }
+       
+       static function activeUsers() {
+               self::load();
+               return self::$row->ss_active_users;
+       }
 
        static function images() {
                self::load();
@@ -114,9 +119,16 @@ class SiteStats {
         */
        static function numberingroup($group) {
                if ( !isset( self::$groupMemberCounts[$group] ) ) {
-                       $dbr = wfGetDB( DB_SLAVE );
-                       self::$groupMemberCounts[$group] = $dbr->selectField( 'user_groups', 'COUNT(*)', 
+                       global $wgMemc;
+                       $key = wfMemcKey( 'SiteStats', 'groupcounts', $group );
+                       $hit = $wgMemc->get( $key );
+                       if ( !$hit ) {
+                               $dbr = wfGetDB( DB_SLAVE );
+                               $hit = $dbr->selectField( 'user_groups', 'COUNT(*)', 
                                                                                                        array( 'ug_group' => $group ), __METHOD__ );
+                               $wgMemc->set( $key, $hit, 3600 );
+                       }
+                       self::$groupMemberCounts[$group] = $hit;
                }
                return self::$groupMemberCounts[$group];                
        }
@@ -200,54 +212,35 @@ class SiteStatsUpdate {
                $fname = 'SiteStatsUpdate::doUpdate';
                $dbw = wfGetDB( DB_MASTER );
 
-               # First retrieve the row just to find out which schema we're in
-               $row = $dbw->selectRow( 'site_stats', '*', false, $fname );
-
                $updates = '';
 
                $this->appendUpdate( $updates, 'ss_total_views', $this->mViews );
                $this->appendUpdate( $updates, 'ss_total_edits', $this->mEdits );
                $this->appendUpdate( $updates, 'ss_good_articles', $this->mGood );
+               $this->appendUpdate( $updates, 'ss_total_pages', $this->mPages );
+               $this->appendUpdate( $updates, 'ss_users', $this->mUsers );
 
-               if ( isset( $row->ss_total_pages ) ) {
-                       # Update schema if required
-                       if ( $row->ss_total_pages == -1 && !$this->mViews ) {
-                               $dbr = wfGetDB( DB_SLAVE, array( 'SpecialStatistics', 'vslow') );
-                               list( $page, $user ) = $dbr->tableNamesN( 'page', 'user' );
-
-                               $sql = "SELECT COUNT(page_namespace) AS total FROM $page";
-                               $res = $dbr->query( $sql, $fname );
-                               $pageRow = $dbr->fetchObject( $res );
-                               $pages = $pageRow->total + $this->mPages;
-
-                               $sql = "SELECT COUNT(user_id) AS total FROM $user";
-                               $res = $dbr->query( $sql, $fname );
-                               $userRow = $dbr->fetchObject( $res );
-                               $users = $userRow->total + $this->mUsers;
-
-                               if ( $updates ) {
-                                       $updates .= ',';
-                               }
-                               $updates .= "ss_total_pages=$pages, ss_users=$users";
-                       } else {
-                               $this->appendUpdate( $updates, 'ss_total_pages', $this->mPages );
-                               $this->appendUpdate( $updates, 'ss_users', $this->mUsers );
-                       }
-               }
                if ( $updates ) {
                        $site_stats = $dbw->tableName( 'site_stats' );
-                       $sql = $dbw->limitResultForUpdate("UPDATE $site_stats SET $updates", 1);
+                       $sql = "UPDATE $site_stats SET $updates";
+
+                       # Need a separate transaction because this a global lock
                        $dbw->begin();
                        $dbw->query( $sql, $fname );
                        $dbw->commit();
                }
-
-               /*
-               global $wgDBname, $wgTitle;
-               if ( $this->mGood && $wgDBname == 'enwiki' ) {
-                       $good = $dbw->selectField( 'site_stats', 'ss_good_articles', '', $fname );
-                       error_log( $good . ' ' . $wgTitle->getPrefixedDBkey() . "\n", 3, '/home/wikipedia/logs/million.log' );
-               }
-               */
+       }
+       
+       public static function cacheUpdate( $dbw ) {
+               $dbr = wfGetDB( DB_SLAVE, array( 'SpecialStatistics', 'vslow') );
+               # Get non-bot users than did some recent action other than making accounts.
+               # If account creation is included, the number gets inflated ~20+ fold on enwiki.
+               $activeUsers = $dbr->selectField( 'recentchanges', 'COUNT( DISTINCT rc_user_text )',
+                       array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers' OR rc_log_type IS NULL" ),
+                       __METHOD__ );
+               $dbw->update( 'site_stats', 
+                       array( 'ss_active_users' => intval($activeUsers) ),
+                       array( 'ss_row_id' => 1 ), __METHOD__
+               );
        }
 }