<?php
/**
- * See deferred.txt
- * @package MediaWiki
- */
-
-/**
- * @todo document
- * @package MediaWiki
+ * See docs/deferred.txt
+ *
+ * @todo document (e.g. one-sentence top-level class description).
*/
class LinksUpdate {
- /**#@+
- * @access private
+ /**@{{
+ * @private
*/
- var $mId, $mTitle;
- /**#@-*/
+ var $mId, //!< Page ID of the article linked from
+ $mTitle, //!< Title object of the article linked from
+ $mLinks, //!< Map of title strings to IDs for the links in the document
+ $mImages, //!< DB keys of the images used, in the array key only
+ $mTemplates, //!< Map of title strings to IDs for the template references, including broken ones
+ $mExternals, //!< URLs of external links, array key only
+ $mCategories, //!< Map of category names to sort keys
+ $mInterlangs, //!< Map of language codes to titles
+ $mProperties, //!< Map of arbitrary name to value
+ $mDb, //!< Database connection reference
+ $mOptions, //!< SELECT options to be used (array)
+ $mRecursive; //!< Whether to queue jobs for recursive updates
+ /**@}}*/
/**
* Constructor
- * Initialize private variables
- * @param integer $id
- * @param string $title
+ *
+ * @param $title Title of the page we're updating
+ * @param $parserOutput ParserOutput: output from a full parse of this page
+ * @param $recursive Boolean: queue jobs for recursive updates?
*/
- function LinksUpdate( $id, $title ) {
- $this->mId = $id;
+ function __construct( $title, $parserOutput, $recursive = true ) {
+ global $wgAntiLockFlags;
+
+ if ( $wgAntiLockFlags & ALF_NO_LINK_LOCK ) {
+ $this->mOptions = array();
+ } else {
+ $this->mOptions = array( 'FOR UPDATE' );
+ }
+ $this->mDb = wfGetDB( DB_MASTER );
+
+ if ( !is_object( $title ) ) {
+ throw new MWException( "The calling convention to LinksUpdate::LinksUpdate() has changed. " .
+ "Please see Article::editUpdates() for an invocation example.\n" );
+ }
$this->mTitle = $title;
+ $this->mId = $title->getArticleID();
+
+ $this->mParserOutput = $parserOutput;
+ $this->mLinks = $parserOutput->getLinks();
+ $this->mImages = $parserOutput->getImages();
+ $this->mTemplates = $parserOutput->getTemplates();
+ $this->mExternals = $parserOutput->getExternalLinks();
+ $this->mCategories = $parserOutput->getCategories();
+ $this->mProperties = $parserOutput->getProperties();
+ $this->mInterwikis = $parserOutput->getInterwikiLinks();
+
+ # Convert the format of the interlanguage links
+ # I didn't want to change it in the ParserOutput, because that array is passed all
+ # the way back to the skin, so either a skin API break would be required, or an
+ # inefficient back-conversion.
+ $ill = $parserOutput->getLanguageLinks();
+ $this->mInterlangs = array();
+ foreach ( $ill as $link ) {
+ list( $key, $title ) = explode( ':', $link, 2 );
+ $this->mInterlangs[$key] = $title;
+ }
+
+ foreach ( $this->mCategories as $cat => &$sortkey ) {
+ # If the sortkey is longer then 255 bytes,
+ # it truncated by DB, and then doesn't get
+ # matched when comparing existing vs current
+ # categories, causing bug 25254.
+ # Also. substr behaves weird when given "".
+ if ( $sortkey !== '' ) {
+ $sortkey = substr( $sortkey, 0, 255 );
+ }
+ }
+
+ $this->mRecursive = $recursive;
+
+ wfRunHooks( 'LinksUpdateConstructed', array( &$this ) );
}
/**
* Update link tables with outgoing links from an updated article
- * Relies on the 'link cache' to be filled out.
*/
-
- function doUpdate() {
- global $wgUseDumbLinkUpdate, $wgLinkCache, $wgDBtransactions;
- global $wgUseCategoryMagic;
+ public function doUpdate() {
+ global $wgUseDumbLinkUpdate;
+ wfRunHooks( 'LinksUpdate', array( &$this ) );
if ( $wgUseDumbLinkUpdate ) {
$this->doDumbUpdate();
+ } else {
+ $this->doIncrementalUpdate();
+ }
+ wfRunHooks( 'LinksUpdateComplete', array( &$this ) );
+ }
+
+ protected function doIncrementalUpdate() {
+ wfProfileIn( __METHOD__ );
+
+ # Page links
+ $existing = $this->getExistingLinks();
+ $this->incrTableUpdate( 'pagelinks', 'pl', $this->getLinkDeletions( $existing ),
+ $this->getLinkInsertions( $existing ) );
+
+ # Image links
+ $existing = $this->getExistingImages();
+
+ $imageDeletes = $this->getImageDeletions( $existing );
+ $this->incrTableUpdate( 'imagelinks', 'il', $imageDeletes, $this->getImageInsertions( $existing ) );
+
+ # Invalidate all image description pages which had links added or removed
+ $imageUpdates = $imageDeletes + array_diff_key( $this->mImages, $existing );
+ $this->invalidateImageDescriptions( $imageUpdates );
+
+ # External links
+ $existing = $this->getExistingExternals();
+ $this->incrTableUpdate( 'externallinks', 'el', $this->getExternalDeletions( $existing ),
+ $this->getExternalInsertions( $existing ) );
+
+ # Language links
+ $existing = $this->getExistingInterlangs();
+ $this->incrTableUpdate( 'langlinks', 'll', $this->getInterlangDeletions( $existing ),
+ $this->getInterlangInsertions( $existing ) );
+
+ # Inline interwiki links
+ $existing = $this->getExistingInterwikis();
+ $this->incrTableUpdate( 'iwlinks', 'iwl', $this->getInterwikiDeletions( $existing ),
+ $this->getInterwikiInsertions( $existing ) );
+
+ # Template links
+ $existing = $this->getExistingTemplates();
+ $this->incrTableUpdate( 'templatelinks', 'tl', $this->getTemplateDeletions( $existing ),
+ $this->getTemplateInsertions( $existing ) );
+
+ # Category links
+ $existing = $this->getExistingCategories();
+
+ $categoryDeletes = $this->getCategoryDeletions( $existing );
+
+ $this->incrTableUpdate( 'categorylinks', 'cl', $categoryDeletes, $this->getCategoryInsertions( $existing ) );
+
+ # Invalidate all categories which were added, deleted or changed (set symmetric difference)
+ $categoryInserts = array_diff_assoc( $this->mCategories, $existing );
+ $categoryUpdates = $categoryInserts + $categoryDeletes;
+ $this->invalidateCategories( $categoryUpdates );
+ $this->updateCategoryCounts( $categoryInserts, $categoryDeletes );
+
+ # Page properties
+ $existing = $this->getExistingProperties();
+
+ $propertiesDeletes = $this->getPropertyDeletions( $existing );
+
+ $this->incrTableUpdate( 'page_props', 'pp', $propertiesDeletes, $this->getPropertyInsertions( $existing ) );
+
+ # Invalidate the necessary pages
+ $changed = $propertiesDeletes + array_diff_assoc( $this->mProperties, $existing );
+ $this->invalidateProperties( $changed );
+
+ # Refresh links of all pages including this page
+ # This will be in a separate transaction
+ if ( $this->mRecursive ) {
+ $this->queueRecursiveJobs();
+ }
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Link update which clears the previous entries and inserts new ones
+ * May be slower or faster depending on level of lock contention and write speed of DB
+ * Also useful where link table corruption needs to be repaired, e.g. in refreshLinks.php
+ */
+ protected function doDumbUpdate() {
+ wfProfileIn( __METHOD__ );
+
+ # Refresh category pages and image description pages
+ $existing = $this->getExistingCategories();
+ $categoryInserts = array_diff_assoc( $this->mCategories, $existing );
+ $categoryDeletes = array_diff_assoc( $existing, $this->mCategories );
+ $categoryUpdates = $categoryInserts + $categoryDeletes;
+ $existing = $this->getExistingImages();
+ $imageUpdates = array_diff_key( $existing, $this->mImages ) + array_diff_key( $this->mImages, $existing );
+
+ $this->dumbTableUpdate( 'pagelinks', $this->getLinkInsertions(), 'pl_from' );
+ $this->dumbTableUpdate( 'imagelinks', $this->getImageInsertions(), 'il_from' );
+ $this->dumbTableUpdate( 'categorylinks', $this->getCategoryInsertions(), 'cl_from' );
+ $this->dumbTableUpdate( 'templatelinks', $this->getTemplateInsertions(), 'tl_from' );
+ $this->dumbTableUpdate( 'externallinks', $this->getExternalInsertions(), 'el_from' );
+ $this->dumbTableUpdate( 'langlinks', $this->getInterlangInsertions(),'ll_from' );
+ $this->dumbTableUpdate( 'iwlinks', $this->getInterwikiInsertions(),'iwl_from' );
+ $this->dumbTableUpdate( 'page_props', $this->getPropertyInsertions(), 'pp_page' );
+
+ # Update the cache of all the category pages and image description
+ # pages which were changed, and fix the category table count
+ $this->invalidateCategories( $categoryUpdates );
+ $this->updateCategoryCounts( $categoryInserts, $categoryDeletes );
+ $this->invalidateImageDescriptions( $imageUpdates );
+
+ # Refresh links of all pages including this page
+ # This will be in a separate transaction
+ if ( $this->mRecursive ) {
+ $this->queueRecursiveJobs();
+ }
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ function queueRecursiveJobs() {
+ global $wgUpdateRowsPerJob;
+ wfProfileIn( __METHOD__ );
+
+ $cache = $this->mTitle->getBacklinkCache();
+ $batches = $cache->partition( 'templatelinks', $wgUpdateRowsPerJob );
+ if ( !$batches ) {
+ wfProfileOut( __METHOD__ );
return;
}
+ $jobs = array();
+ foreach ( $batches as $batch ) {
+ list( $start, $end ) = $batch;
+ $params = array(
+ 'start' => $start,
+ 'end' => $end,
+ );
+ $jobs[] = new RefreshLinksJob2( $this->mTitle, $params );
+ }
+ Job::batchInsert( $jobs );
- $fname = 'LinksUpdate::doUpdate';
- wfProfileIn( $fname );
+ wfProfileOut( __METHOD__ );
+ }
- $del = array();
- $add = array();
-
- $dbw =& wfGetDB( DB_MASTER );
- $pagelinks = $dbw->tableName( 'pagelinks' );
- $imagelinks = $dbw->tableName( 'imagelinks' );
- $categorylinks = $dbw->tableName( 'categorylinks' );
-
- #------------------------------------------------------------------------------
- # Good links
-
- if ( $wgLinkCache->incrementalSetup( LINKCACHE_PAGE, $del, $add ) ) {
- # Delete where necessary
- if ( count( $del ) ) {
- $batch = new LinkBatch( $del );
- $set = $batch->constructSet( 'pl', $dbw );
- if ( $set ) {
- $sql = "DELETE FROM $pagelinks WHERE pl_from={$this->mId} AND ($set)";
- $dbw->query( $sql, $fname );
- }
+ /**
+ * Invalidate the cache of a list of pages from a single namespace
+ *
+ * @param $namespace Integer
+ * @param $dbkeys Array
+ */
+ function invalidatePages( $namespace, $dbkeys ) {
+ if ( !count( $dbkeys ) ) {
+ return;
+ }
+
+ /**
+ * Determine which pages need to be updated
+ * This is necessary to prevent the job queue from smashing the DB with
+ * large numbers of concurrent invalidations of the same page
+ */
+ $now = $this->mDb->timestamp();
+ $ids = array();
+ $res = $this->mDb->select( 'page', array( 'page_id' ),
+ array(
+ 'page_namespace' => $namespace,
+ 'page_title IN (' . $this->mDb->makeList( $dbkeys ) . ')',
+ 'page_touched < ' . $this->mDb->addQuotes( $now )
+ ), __METHOD__
+ );
+ foreach ( $res as $row ) {
+ $ids[] = $row->page_id;
+ }
+ if ( !count( $ids ) ) {
+ return;
+ }
+
+ /**
+ * Do the update
+ * We still need the page_touched condition, in case the row has changed since
+ * the non-locking select above.
+ */
+ $this->mDb->update( 'page', array( 'page_touched' => $now ),
+ array(
+ 'page_id IN (' . $this->mDb->makeList( $ids ) . ')',
+ 'page_touched < ' . $this->mDb->addQuotes( $now )
+ ), __METHOD__
+ );
+ }
+
+ function invalidateCategories( $cats ) {
+ $this->invalidatePages( NS_CATEGORY, array_keys( $cats ) );
+ }
+
+ /**
+ * Update all the appropriate counts in the category table.
+ * @param $added associative array of category name => sort key
+ * @param $deleted associative array of category name => sort key
+ */
+ function updateCategoryCounts( $added, $deleted ) {
+ $a = new Article($this->mTitle);
+ $a->updateCategoryCounts(
+ array_keys( $added ), array_keys( $deleted )
+ );
+ }
+
+ function invalidateImageDescriptions( $images ) {
+ $this->invalidatePages( NS_FILE, array_keys( $images ) );
+ }
+
+ function dumbTableUpdate( $table, $insertions, $fromField ) {
+ $this->mDb->delete( $table, array( $fromField => $this->mId ), __METHOD__ );
+ if ( count( $insertions ) ) {
+ # The link array was constructed without FOR UPDATE, so there may
+ # be collisions. This may cause minor link table inconsistencies,
+ # which is better than crippling the site with lock contention.
+ $this->mDb->insert( $table, $insertions, __METHOD__, array( 'IGNORE' ) );
+ }
+ }
+
+ /**
+ * Update a table by doing a delete query then an insert query
+ * @private
+ */
+ function incrTableUpdate( $table, $prefix, $deletions, $insertions ) {
+ if ( $table == 'page_props' ) {
+ $fromField = 'pp_page';
+ } else {
+ $fromField = "{$prefix}_from";
+ }
+ $where = array( $fromField => $this->mId );
+ if ( $table == 'pagelinks' || $table == 'templatelinks' || $table == 'iwlinks' ) {
+ if ( $table == 'iwlinks' ) {
+ $baseKey = 'iwl_prefix';
+ } else {
+ $baseKey = "{$prefix}_namespace";
+ }
+ $clause = $this->mDb->makeWhereFrom2d( $deletions, $baseKey, "{$prefix}_title" );
+ if ( $clause ) {
+ $where[] = $clause;
+ } else {
+ $where = false;
}
} else {
- # Delete everything
- $dbw->delete( 'pagelinks', array( 'pl_from' => $this->mId ), $fname );
-
- # Get the addition list
- $add = $wgLinkCache->getPageLinks();
- }
-
- # Do the insertion
- if( 0 != count( $add ) ) {
- $arr = array();
- foreach( $add as $lt => $target ) {
- array_push( $arr, array(
- 'pl_from' => $this->mId,
- 'pl_namespace' => $target->getNamespace(),
- 'pl_title' => $target->getDbKey() ) );
- }
-
- # The link cache was constructed without FOR UPDATE, so there may be collisions
- # Ignoring for now, I'm not sure if that causes problems or not, but I'm fairly
- # sure it's better than without IGNORE
- $dbw->insert( 'pagelinks', $arr, $fname, array( 'IGNORE' ) );
- }
-
- #------------------------------------------------------------------------------
- # Image links
- $dbw->delete('imagelinks',array('il_from'=>$this->mId),$fname);
-
- # Get addition list
- $add = $wgLinkCache->getImageLinks();
-
- # Do the insertion
- $sql = '';
- $image = NS_IMAGE;
- if ( 0 != count ( $add ) ) {
- $arr = array();
- foreach ($add as $iname => $val ) {
- $nt = Title::makeTitle( $image, $iname );
- if( !$nt ) continue;
- $nt->invalidateCache();
- array_push( $arr, array(
- 'il_from' => $this->mId,
- 'il_to' => $iname ) );
- }
- $dbw->insert('imagelinks', $arr, $fname, array('IGNORE'));
- }
-
- #------------------------------------------------------------------------------
- # Category links
- if( $wgUseCategoryMagic ) {
- global $messageMemc, $wgDBname;
-
- # Get addition list
- $add = $wgLinkCache->getCategoryLinks();
-
- # select existing catlinks for this page
- $res = $dbw->select( 'categorylinks',
- array( 'cl_to', 'cl_sortkey' ),
- array( 'cl_from' => $this->mId ),
- $fname,
- 'FOR UPDATE' );
-
- $del = array();
- if( 0 != $dbw->numRows( $res ) ) {
- while( $row = $dbw->fetchObject( $res ) ) {
- if( !isset( $add[$row->cl_to] ) || $add[$row->cl_to] != $row->cl_sortkey ) {
- // in the db, but no longer in the page
- // or sortkey has changed -> delete
- $del[] = $row->cl_to;
- } else {
- // remove already existing category memberships
- // from the add array
- unset( $add[$row->cl_to] );
- }
- }
+ if ( $table == 'langlinks' ) {
+ $toField = 'll_lang';
+ } elseif ( $table == 'page_props' ) {
+ $toField = 'pp_propname';
+ } else {
+ $toField = $prefix . '_to';
}
-
- // delete any removed categorylinks
- if( count( $del ) > 0) {
- // delete old ones
- $dbw->delete( 'categorylinks',
- array(
- 'cl_from' => $this->mId,
- 'cl_to' => $del ),
- $fname );
- foreach( $del as $cname ){
- $nt = Title::makeTitle( NS_CATEGORY, $cname );
- $nt->invalidateCache();
- // update the timestamp which indicates when the last article
- // was added or removed to/from this article
- $key = $wgDBname . ':Category:' . md5( $nt->getDBkey() ) . ':adddeltimestamp';
- $messageMemc->set( $key , wfTimestamp( TS_MW ), 24*3600 );
- }
+ if ( count( $deletions ) ) {
+ $where[] = "$toField IN (" . $this->mDb->makeList( array_keys( $deletions ) ) . ')';
+ } else {
+ $where = false;
}
-
- // add any new category memberships
- if( count( $add ) > 0 ) {
- $arr = array();
- foreach( $add as $cname => $sortkey ) {
- $nt = Title::makeTitle( NS_CATEGORY, $cname );
- $nt->invalidateCache();
- // update the timestamp which indicates when the last article
- // was added or removed to/from this article
- $key = $wgDBname . ':Category:' . md5( $nt->getDBkey() ) . ':adddeltimestamp';
- $messageMemc->set( $key , wfTimestamp( TS_MW ), 24*3600 );
- array_push( $arr, array(
- 'cl_from' => $this->mId,
- 'cl_to' => $cname,
- 'cl_sortkey' => $sortkey ) );
- }
- // do the actual sql insertion
- $dbw->insert( 'categorylinks', $arr, $fname, array( 'IGNORE' ) );
+ }
+ if ( $where ) {
+ $this->mDb->delete( $table, $where, __METHOD__ );
+ }
+ if ( count( $insertions ) ) {
+ $this->mDb->insert( $table, $insertions, __METHOD__, 'IGNORE' );
+ }
+ }
+
+
+ /**
+ * Get an array of pagelinks insertions for passing to the DB
+ * Skips the titles specified by the 2-D array $existing
+ * @private
+ */
+ function getLinkInsertions( $existing = array() ) {
+ $arr = array();
+ foreach( $this->mLinks as $ns => $dbkeys ) {
+ $diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
+ foreach ( $diffs as $dbk => $id ) {
+ $arr[] = array(
+ 'pl_from' => $this->mId,
+ 'pl_namespace' => $ns,
+ 'pl_title' => $dbk
+ );
}
}
-
- wfProfileOut( $fname );
+ return $arr;
}
/**
- * Link update which clears the previous entries and inserts new ones
- * May be slower or faster depending on level of lock contention and write speed of DB
- * Also useful where link table corruption needs to be repaired, e.g. in refreshLinks.php
+ * Get an array of template insertions. Like getLinkInsertions()
+ * @private
*/
- function doDumbUpdate() {
- global $wgLinkCache, $wgDBtransactions, $wgUseCategoryMagic;
- $fname = 'LinksUpdate::doDumbUpdate';
- wfProfileIn( $fname );
-
-
- $dbw =& wfGetDB( DB_MASTER );
- $pagelinks = $dbw->tableName( 'pagelinks' );
- $imagelinks = $dbw->tableName( 'imagelinks' );
- $categorylinks = $dbw->tableName( 'categorylinks' );
-
- $dbw->delete('pagelinks', array('pl_from'=>$this->mId),$fname);
+ function getTemplateInsertions( $existing = array() ) {
+ $arr = array();
+ foreach( $this->mTemplates as $ns => $dbkeys ) {
+ $diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
+ foreach ( $diffs as $dbk => $id ) {
+ $arr[] = array(
+ 'tl_from' => $this->mId,
+ 'tl_namespace' => $ns,
+ 'tl_title' => $dbk
+ );
+ }
+ }
+ return $arr;
+ }
- $a = $wgLinkCache->getPageLinks();
- if ( 0 != count( $a ) ) {
- $arr = array();
- foreach( $a as $lt => $target ) {
- array_push( $arr, array(
- 'pl_from' => $this->mId,
- 'pl_namespace' => $target->getNamespace(),
- 'pl_title' => $target->getDBkey() ) );
- }
- $dbw->insert( 'pagelinks', $arr, $fname, array( 'IGNORE' ) );
- }
-
- $dbw->delete('imagelinks', array('il_from'=>$this->mId),$fname);
-
- $a = $wgLinkCache->getImageLinks();
- $sql = '';
- if ( 0 != count ( $a ) ) {
- $arr = array();
- foreach( $a as $iname => $val )
- array_push( $arr, array(
- 'il_from' => $this->mId,
- 'il_to' => $iname ) );
- $dbw->insert( 'imagelinks', $arr, $fname, array( 'IGNORE' ) );
- }
-
- if( $wgUseCategoryMagic ) {
- $dbw->delete('categorylinks', array('cl_from'=>$this->mId),$fname);
-
- # Get addition list
- $add = $wgLinkCache->getCategoryLinks();
-
- # Do the insertion
- $sql = '';
- if ( 0 != count ( $add ) ) {
- $arr = array();
- foreach( $add as $cname => $sortkey ) {
- # FIXME: Change all this to avoid unnecessary duplication
- $nt = Title::makeTitle( NS_CATEGORY, $cname );
- if( !$nt ) continue;
- $nt->invalidateCache();
- array_push( $arr, array(
- 'cl_from' => $this->mId,
- 'cl_to' => $cname,
- 'cl_sortkey' => $sortkey ) );
+ /**
+ * Get an array of image insertions
+ * Skips the names specified in $existing
+ * @private
+ */
+ function getImageInsertions( $existing = array() ) {
+ $arr = array();
+ $diffs = array_diff_key( $this->mImages, $existing );
+ foreach( $diffs as $iname => $dummy ) {
+ $arr[] = array(
+ 'il_from' => $this->mId,
+ 'il_to' => $iname
+ );
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of externallinks insertions. Skips the names specified in $existing
+ * @private
+ */
+ function getExternalInsertions( $existing = array() ) {
+ $arr = array();
+ $diffs = array_diff_key( $this->mExternals, $existing );
+ foreach( $diffs as $url => $dummy ) {
+ $arr[] = array(
+ 'el_from' => $this->mId,
+ 'el_to' => $url,
+ 'el_index' => wfMakeUrlIndex( $url ),
+ );
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of category insertions
+ *
+ * @param $existing Array mapping existing category names to sort keys. If both
+ * match a link in $this, the link will be omitted from the output
+ * @private
+ */
+ function getCategoryInsertions( $existing = array() ) {
+ global $wgContLang, $wgCategoryCollation;
+ $diffs = array_diff_assoc( $this->mCategories, $existing );
+ $arr = array();
+ foreach ( $diffs as $name => $prefix ) {
+ $nt = Title::makeTitleSafe( NS_CATEGORY, $name );
+ $wgContLang->findVariantLink( $name, $nt, true );
+
+ if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
+ $type = 'subcat';
+ } elseif ( $this->mTitle->getNamespace() == NS_FILE ) {
+ $type = 'file';
+ } else {
+ $type = 'page';
+ }
+
+ # Treat custom sortkeys as a prefix, so that if multiple
+ # things are forced to sort as '*' or something, they'll
+ # sort properly in the category rather than in page_id
+ # order or such.
+ $sortkey = Collation::singleton()->getSortKey(
+ $this->mTitle->getCategorySortkey( $prefix ) );
+
+ $arr[] = array(
+ 'cl_from' => $this->mId,
+ 'cl_to' => $name,
+ 'cl_sortkey' => $sortkey,
+ 'cl_timestamp' => $this->mDb->timestamp(),
+ 'cl_sortkey_prefix' => $prefix,
+ 'cl_collation' => $wgCategoryCollation,
+ 'cl_type' => $type,
+ );
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of interlanguage link insertions
+ *
+ * @param $existing Array mapping existing language codes to titles
+ * @private
+ */
+ function getInterlangInsertions( $existing = array() ) {
+ $diffs = array_diff_assoc( $this->mInterlangs, $existing );
+ $arr = array();
+ foreach( $diffs as $lang => $title ) {
+ $arr[] = array(
+ 'll_from' => $this->mId,
+ 'll_lang' => $lang,
+ 'll_title' => $title
+ );
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of page property insertions
+ */
+ function getPropertyInsertions( $existing = array() ) {
+ $diffs = array_diff_assoc( $this->mProperties, $existing );
+ $arr = array();
+ foreach ( $diffs as $name => $value ) {
+ $arr[] = array(
+ 'pp_page' => $this->mId,
+ 'pp_propname' => $name,
+ 'pp_value' => $value,
+ );
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of interwiki insertions for passing to the DB
+ * Skips the titles specified by the 2-D array $existing
+ * @private
+ */
+ function getInterwikiInsertions( $existing = array() ) {
+ $arr = array();
+ foreach( $this->mInterwikis as $prefix => $dbkeys ) {
+ $diffs = isset( $existing[$prefix] ) ? array_diff_key( $dbkeys, $existing[$prefix] ) : $dbkeys;
+ foreach ( $diffs as $dbk => $id ) {
+ $arr[] = array(
+ 'iwl_from' => $this->mId,
+ 'iwl_prefix' => $prefix,
+ 'iwl_title' => $dbk
+ );
+ }
+ }
+ return $arr;
+ }
+
+ /**
+ * Given an array of existing links, returns those links which are not in $this
+ * and thus should be deleted.
+ * @private
+ */
+ function getLinkDeletions( $existing ) {
+ $del = array();
+ foreach ( $existing as $ns => $dbkeys ) {
+ if ( isset( $this->mLinks[$ns] ) ) {
+ $del[$ns] = array_diff_key( $existing[$ns], $this->mLinks[$ns] );
+ } else {
+ $del[$ns] = $existing[$ns];
+ }
+ }
+ return $del;
+ }
+
+ /**
+ * Given an array of existing templates, returns those templates which are not in $this
+ * and thus should be deleted.
+ * @private
+ */
+ function getTemplateDeletions( $existing ) {
+ $del = array();
+ foreach ( $existing as $ns => $dbkeys ) {
+ if ( isset( $this->mTemplates[$ns] ) ) {
+ $del[$ns] = array_diff_key( $existing[$ns], $this->mTemplates[$ns] );
+ } else {
+ $del[$ns] = $existing[$ns];
+ }
+ }
+ return $del;
+ }
+
+ /**
+ * Given an array of existing images, returns those images which are not in $this
+ * and thus should be deleted.
+ * @private
+ */
+ function getImageDeletions( $existing ) {
+ return array_diff_key( $existing, $this->mImages );
+ }
+
+ /**
+ * Given an array of existing external links, returns those links which are not
+ * in $this and thus should be deleted.
+ * @private
+ */
+ function getExternalDeletions( $existing ) {
+ return array_diff_key( $existing, $this->mExternals );
+ }
+
+ /**
+ * Given an array of existing categories, returns those categories which are not in $this
+ * and thus should be deleted.
+ * @private
+ */
+ function getCategoryDeletions( $existing ) {
+ return array_diff_assoc( $existing, $this->mCategories );
+ }
+
+ /**
+ * Given an array of existing interlanguage links, returns those links which are not
+ * in $this and thus should be deleted.
+ * @private
+ */
+ function getInterlangDeletions( $existing ) {
+ return array_diff_assoc( $existing, $this->mInterlangs );
+ }
+
+ /**
+ * Get array of properties which should be deleted.
+ * @private
+ */
+ function getPropertyDeletions( $existing ) {
+ return array_diff_assoc( $existing, $this->mProperties );
+ }
+
+ /**
+ * Given an array of existing interwiki links, returns those links which are not in $this
+ * and thus should be deleted.
+ * @private
+ */
+ function getInterwikiDeletions( $existing ) {
+ $del = array();
+ foreach ( $existing as $prefix => $dbkeys ) {
+ if ( isset( $this->mInterwikis[$prefix] ) ) {
+ $del[$prefix] = array_diff_key( $existing[$prefix], $this->mInterwikis[$prefix] );
+ } else {
+ $del[$prefix] = $existing[$prefix];
+ }
+ }
+ return $del;
+ }
+
+ /**
+ * Get an array of existing links, as a 2-D array
+ * @private
+ */
+ function getExistingLinks() {
+ $res = $this->mDb->select( 'pagelinks', array( 'pl_namespace', 'pl_title' ),
+ array( 'pl_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ if ( !isset( $arr[$row->pl_namespace] ) ) {
+ $arr[$row->pl_namespace] = array();
+ }
+ $arr[$row->pl_namespace][$row->pl_title] = 1;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing templates, as a 2-D array
+ * @private
+ */
+ function getExistingTemplates() {
+ $res = $this->mDb->select( 'templatelinks', array( 'tl_namespace', 'tl_title' ),
+ array( 'tl_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ if ( !isset( $arr[$row->tl_namespace] ) ) {
+ $arr[$row->tl_namespace] = array();
+ }
+ $arr[$row->tl_namespace][$row->tl_title] = 1;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing images, image names in the keys
+ * @private
+ */
+ function getExistingImages() {
+ $res = $this->mDb->select( 'imagelinks', array( 'il_to' ),
+ array( 'il_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ $arr[$row->il_to] = 1;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing external links, URLs in the keys
+ * @private
+ */
+ function getExistingExternals() {
+ $res = $this->mDb->select( 'externallinks', array( 'el_to' ),
+ array( 'el_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ $arr[$row->el_to] = 1;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing categories, with the name in the key and sort key in the value.
+ * @private
+ */
+ function getExistingCategories() {
+ $res = $this->mDb->select( 'categorylinks', array( 'cl_to', 'cl_sortkey_prefix' ),
+ array( 'cl_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ $arr[$row->cl_to] = $row->cl_sortkey_prefix;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing interlanguage links, with the language code in the key and the
+ * title in the value.
+ * @private
+ */
+ function getExistingInterlangs() {
+ $res = $this->mDb->select( 'langlinks', array( 'll_lang', 'll_title' ),
+ array( 'll_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ $arr[$row->ll_lang] = $row->ll_title;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing inline interwiki links, as a 2-D array
+ * @return array (prefix => array(dbkey => 1))
+ */
+ protected function getExistingInterwikis() {
+ $res = $this->mDb->select( 'iwlinks', array( 'iwl_prefix', 'iwl_title' ),
+ array( 'iwl_from' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ if ( !isset( $arr[$row->iwl_prefix] ) ) {
+ $arr[$row->iwl_prefix] = array();
+ }
+ $arr[$row->iwl_prefix][$row->iwl_title] = 1;
+ }
+ return $arr;
+ }
+
+ /**
+ * Get an array of existing categories, with the name in the key and sort key in the value.
+ * @private
+ */
+ function getExistingProperties() {
+ $res = $this->mDb->select( 'page_props', array( 'pp_propname', 'pp_value' ),
+ array( 'pp_page' => $this->mId ), __METHOD__, $this->mOptions );
+ $arr = array();
+ foreach ( $res as $row ) {
+ $arr[$row->pp_propname] = $row->pp_value;
+ }
+ return $arr;
+ }
+
+
+ /**
+ * Return the title object of the page being updated
+ */
+ function getTitle() {
+ return $this->mTitle;
+ }
+
+ /**
+ * Return the list of images used as generated by the parser
+ */
+ public function getImages() {
+ return $this->mImages;
+ }
+
+ /**
+ * Invalidate any necessary link lists related to page property changes
+ */
+ function invalidateProperties( $changed ) {
+ global $wgPagePropLinkInvalidations;
+
+ foreach ( $changed as $name => $value ) {
+ if ( isset( $wgPagePropLinkInvalidations[$name] ) ) {
+ $inv = $wgPagePropLinkInvalidations[$name];
+ if ( !is_array( $inv ) ) {
+ $inv = array( $inv );
+ }
+ foreach ( $inv as $table ) {
+ $update = new HTMLCacheUpdate( $this->mTitle, $table );
+ $update->doUpdate();
}
- $dbw->insert( 'categorylinks', $arr, $fname, array( 'IGNORE' ) );
}
}
- wfProfileOut( $fname );
}
}
-?>
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff