4 * @addtogroup Maintenance
8 define( "REPORTING_INTERVAL", 100 );
9 #define( "REPORTING_INTERVAL", 1 );
11 function refreshLinks( $start, $newOnly = false, $maxLag = false, $end = 0 ) {
12 global $wgUser, $wgParser, $wgUseImageResize, $wgUseTidy;
14 $fname = 'refreshLinks';
15 $dbr = wfGetDB( DB_SLAVE );
16 $start = intval( $start );
18 # Don't generate TeX PNGs (lack of a sensible current directory causes errors anyway)
19 $wgUser->setOption('math', MW_MATH_SOURCE);
21 # Don't generate extension images (e.g. Timeline)
22 $wgParser->mTagHooks = array();
24 # Don't generate thumbnail images
25 $wgUseImageResize = false;
29 print "Refreshing links from ";
30 $res = $dbr->select( 'page',
37 $num = $dbr->numRows( $res );
38 print "$num new articles...\n";
41 while ( $row = $dbr->fetchObject( $res ) ) {
42 if ( !( ++$i % REPORTING_INTERVAL ) ) {
44 wfWaitForSlaves( $maxLag );
47 fixLinksFromArticle( $row->page_id );
50 print "Refreshing link table.\n";
52 $end = $dbr->selectField( 'page', 'max(page_id)', false );
54 print("Starting from page_id $start of $end.\n");
56 for ($id = $start; $id <= $end; $id++) {
58 if ( !($id % REPORTING_INTERVAL) ) {
60 wfWaitForSlaves( $maxLag );
62 fixLinksFromArticle( $id );
67 function fixLinksFromArticle( $id ) {
68 global $wgTitle, $wgParser;
70 $wgTitle = Title::newFromID( $id );
71 $dbw = wfGetDB( DB_MASTER );
73 $linkCache =& LinkCache::singleton();
76 if ( is_null( $wgTitle ) ) {
81 $revision = Revision::newFromTitle( $wgTitle );
86 $options = new ParserOptions;
87 $parserOutput = $wgParser->parse( $revision->getText(), $wgTitle, $options, true, true, $revision->getId() );
88 $update = new LinksUpdate( $wgTitle, $parserOutput, false );
90 $dbw->immediateCommit();
93 function deleteLinksFromNonexistent( $maxLag = 0 ) {
94 $fname = 'deleteLinksFromNonexistent';
96 wfWaitForSlaves( $maxLag );
98 $dbw = wfGetDB( DB_WRITE );
100 $linksTables = array(
101 'pagelinks' => 'pl_from',
102 'imagelinks' => 'il_from',
103 'categorylinks' => 'cl_from',
104 'templatelinks' => 'tl_from',
105 'externallinks' => 'el_from',
108 $page = $dbw->tableName( 'page' );
111 foreach ( $linksTables as $table => $field ) {
112 if ( !$dbw->ping() ) {
113 print "DB disconnected, reconnecting...";
114 while ( !$dbw->ping() ) {
121 $pTable = $dbw->tableName( $table );
122 $sql = "DELETE $pTable FROM $pTable LEFT JOIN $page ON page_id=$field WHERE page_id IS NULL";
124 print "Deleting $table from non-existent articles...";
125 $dbw->query( $sql, $fname );
126 print " fixed " .$dbw->affectedRows() . " row(s)\n";