SpecialUncategorizedImages.php

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<?php
class SpecialUncategorizedImages extends ImageQueryPage {
    public function __construct( $name = 'Uncategorizedimages' ) {
        parent::__construct( $name );
        $this->addHelpLink( 'Help:Categories' );
    }
 
    protected function sortDescending() {
        return false;
    }
 
    public function isExpensive() {
        return true;
    }
 
    public function isSyndicated() {
        return false;
    }
 
    protected function getOrderFields() {
        return [ 'title' ];
    }
 
    public function getQueryInfo() {
        return [
            'tables' => [ 'page', 'categorylinks' ],
            'fields' => [
                'namespace' => 'page_namespace',
                'title' => 'page_title',
            ],
            'conds' => [
                'cl_from IS NULL',
                'page_namespace' => NS_FILE,
                'page_is_redirect' => 0,
            ],
            'join_conds' => [
                'categorylinks' => [
                    'LEFT JOIN',
                    'cl_from=page_id',
                ],
            ],
        ];
    }
 
    protected function getGroupName() {
        return 'maintenance';
    }
}