}
// Job to update link tables for a given title
} else {
- $this->runForTitle( $this->mTitle );
+ $this->runForTitle( $this->title );
}
return true;
wfGetLB()->waitFor( $this->params['masterPos'] );
}
+ // Fetch the current revision...
$revision = Revision::newFromTitle( $title, false, Revision::READ_NORMAL );
if ( !$revision ) {
$this->setLastError( "refreshLinks: Article not found {$title->getPrefixedDBkey()}" );
return false; // XXX: what if it was just deleted?
}
-
$content = $revision->getContent( Revision::RAW );
if ( !$content ) {
// If there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
- // Revision ID must be passed to the parser output to get revision variables correct
- $parserOutput = $content->getParserOutput( $title, $revision->getId(), null, false );
+ $parserOutput = false;
+ // If page_touched changed after this root job (with a good slave lag skew factor),
+ // then it is likely that any views of the pages already resulted in re-parses which
+ // are now in cache. This can be reused to avoid expensive parsing in some cases.
+ if ( isset( $this->params['rootJobTimestamp'] ) ) {
+ $page = WikiPage::factory( $title );
+ $skewedTimestamp = wfTimestamp( TS_UNIX, $this->params['rootJobTimestamp'] ) + 5;
+ if ( $page->getTouched() > wfTimestamp( TS_MW, $skewedTimestamp ) ) {
+ $parserOptions = $page->makeParserOptions( 'canonical' );
+ $parserOutput = ParserCache::singleton()->getDirty( $page, $parserOptions );
+ if ( $parserOutput && $parserOutput->getCacheTime() <= $skewedTimestamp ) {
+ $parserOutput = false; // too stale
+ }
+ }
+ }
+ // Fetch the current revision and parse it if necessary...
+ if ( $parserOutput == false ) {
+ // Revision ID must be passed to the parser output to get revision variables correct
+ $parserOutput = $content->getParserOutput( $title, $revision->getId(), null, false );
+ }
$updates = $content->getSecondaryDataUpdates( $title, null, false, $parserOutput );
DataUpdate::runUpdates( $updates );