5 * @subpackage Maintenance
9 define( "REPORTING_INTERVAL", 100 );
10 #define( "REPORTING_INTERVAL", 1 );
12 function refreshLinks( $start, $newOnly = false, $maxLag = false, $end = 0 ) {
13 global $wgUser, $wgParser, $wgUseImageResize, $wgUseTidy;
15 $fname = 'refreshLinks';
16 $dbr =& wfGetDB( DB_SLAVE );
17 $dbw =& wfGetDB( DB_MASTER );
18 $start = intval( $start );
20 # Don't generate TeX PNGs (lack of a sensible current directory causes errors anyway)
21 $wgUser->setOption('math', MW_MATH_SOURCE);
23 # Don't generate extension images (e.g. Timeline)
24 $wgParser->mTagHooks = array();
26 # Don't generate thumbnail images
27 $wgUseImageResize = false;
31 print "Refreshing links from ";
32 $res = $dbr->select( 'page',
39 $num = $dbr->numRows( $res );
40 print "$num new articles...\n";
43 while ( $row = $dbr->fetchObject( $res ) ) {
44 if ( !( ++$i % REPORTING_INTERVAL ) ) {
46 wfWaitForSlaves( $maxLag );
49 fixLinksFromArticle( $row->page_id );
52 print "Refreshing link table.\n";
54 $end = $dbr->selectField( 'page', 'max(page_id)', false );
56 print("Starting from page_id $start of $end.\n");
58 for ($id = $start; $id <= $end; $id++) {
60 if ( !($id % REPORTING_INTERVAL) ) {
62 wfWaitForSlaves( $maxLag );
64 fixLinksFromArticle( $id );
71 function fixLinksFromArticle( $id ) {
72 global $wgTitle, $wgArticle, $wgOut, $wgParser;
74 $wgTitle = Title::newFromID( $id );
75 $dbw =& wfGetDB( DB_MASTER );
77 $linkCache =& LinkCache::singleton();
80 if ( is_null( $wgTitle ) ) {
85 $revision = Revision::newFromTitle( $wgTitle );
90 $options = new ParserOptions;
91 $parserOutput = $wgParser->parse( $revision->getText(), $wgTitle, $options, true, true, $revision->getId() );
92 $update = new LinksUpdate( $wgTitle, $parserOutput, false );
94 $dbw->immediateCommit();
97 function deleteLinksFromNonexistent( $maxLag = 0 ) {
98 $fname = 'deleteLinksFromNonexistent';
100 wfWaitForSlaves( $maxLag );
102 $dbw =& wfGetDB( DB_WRITE );
104 $linksTables = array(
105 'pagelinks' => 'pl_from',
106 'imagelinks' => 'il_from',
107 'categorylinks' => 'cl_from',
108 'templatelinks' => 'tl_from',
109 'externallinks' => 'el_from',
112 $page = $dbw->tableName( 'page' );
115 foreach ( $linksTables as $table => $field ) {
116 if ( !$dbw->ping() ) {
117 print "DB disconnected, reconnecting...";
118 while ( !$dbw->ping() ) {
125 $pTable = $dbw->tableName( $table );
126 $sql = "DELETE $pTable FROM $pTable LEFT JOIN $page ON page_id=$field WHERE page_id IS NULL";
128 print "Deleting $table from non-existent articles...";
129 $dbw->query( $sql, $fname );
130 print " fixed " .$dbw->affectedRows() . " row(s)\n";