home/omtekel/wiki/maintenance/fixInconsistentRedirects.php000066600000006024151335063420020136 0ustar00addDescription( 'Fix redirect pages with missing or incomplete row in the redirect table' ); $this->setBatchSize( 100 ); } protected function getUpdateKey() { return __CLASS__; } protected function doDBUpdates() { $dbr = $this->getDB( DB_REPLICA ); $builder = $dbr->newSelectQueryBuilder() ->from( 'page' ) ->where( [ 'page_is_redirect' => 1 ] ); $this->output( "Fixing inconsistent redirects ...\n" ); $estimateCount = $builder->estimateRowCount(); $this->output( "Estimated redirect page count: $estimateCount\n" ); $builder ->limit( $this->getBatchSize() ) ->leftJoin( 'redirect', null, 'page_id=rd_from' ) ->select( [ 'rd_from', 'rd_interwiki', 'rd_fragment' ] ); // Using the page_redirect_namespace_len index to skip non-redirects $index = [ 'page_is_redirect', 'page_namespace', 'page_len', 'page_id' ]; $builder->select( $index )->orderBy( $index ); $prevRow = []; $total = 0; $updated = 0; do { $res = ( clone $builder ) ->where( $prevRow ? [ $dbr->buildComparison( '>', $prevRow ) ] : [] ) ->caller( __METHOD__ )->fetchResultSet(); foreach ( $res as $row ) { // Only attempt write queries if the row or rd_interwiki/rd_fragment fields are missing // (we don't include this condition in the query to avoid slow queries and bad estimates) if ( $row->rd_from === null || $row->rd_interwiki === null || $row->rd_fragment === null ) { RefreshLinks::fixRedirect( $this, $row->page_id ); $updated++; } } if ( isset( $row ) ) { // Update the conditions to select the next batch foreach ( $index as $field ) { $prevRow[ $field ] = $row->$field; } } $this->waitForReplication(); $total += $res->numRows(); $this->output( "$updated/$total\n" ); } while ( $res->numRows() == $this->getBatchSize() ); $this->output( "Done, updated $updated of $total rows.\n" ); return true; } } $maintClass = FixInconsistentRedirects::class; require_once RUN_MAINTENANCE_IF_MAIN;