refreshImageCount.php

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<?php
require_once( dirname( __FILE__ ) . '/Maintenance.php' );

class RefreshImageCount extends Maintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "Resets ss_image count, forcing slaves to pick it up.";
        }

        public function execute() {
                $dbw = wfGetDB( DB_MASTER );

                // Load the current value from the master
                $count = $dbw->selectField( 'site_stats', 'ss_images' );

                $this->output( wfWikiID() . ": forcing ss_images to $count\n" );

                // First set to NULL so that it changes on the master
                $dbw->update( 'site_stats',
                        array( 'ss_images' => null ),
                        array( 'ss_row_id' => 1 ) );

                // Now this update will be forced to go out
                $dbw->update( 'site_stats',
                        array( 'ss_images' => $count ),
                        array( 'ss_row_id' => 1 ) );
                        }
}

$maintClass = "RefreshImageCount";
require_once( RUN_MAINTENANCE_IF_MAIN );