use \MediaWiki\Logger\LoggerFactory;
use \MediaWiki\MediaWikiServices;
+use Wikimedia\Rdbms\FakeResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+use Wikimedia\Rdbms\DBError;
+use Wikimedia\Rdbms\DBUnexpectedError;
/**
* Class representing a MediaWiki article and history.
*/
protected $mLinksUpdated = '19700101000000';
- const PURGE_CDN_CACHE = 1; // purge CDN cache for page variant URLs
- const PURGE_CLUSTER_PCACHE = 2; // purge parser cache in the local datacenter
- const PURGE_GLOBAL_PCACHE = 4; // set page_touched to clear parser cache in all datacenters
+ /** @deprecated since 1.29. Added in 1.28 for partial purging, no longer used. */
+ const PURGE_CDN_CACHE = 1;
+ const PURGE_CLUSTER_PCACHE = 2;
+ const PURGE_GLOBAL_PCACHE = 4;
const PURGE_ALL = 7;
/**
* @return WikiPage|null
*/
public static function newFromID( $id, $from = 'fromdb' ) {
- // page id's are never 0 or negative, see bug 61166
+ // page ids are never 0 or negative, see T63166
if ( $id < 1 ) {
return null;
}
$this->mTimestamp = '';
$this->mIsRedirect = false;
$this->mLatest = false;
- // Bug 57026: do not clear mPreparedEdit since prepareTextForEdit() already checks
+ // T59026: do not clear mPreparedEdit since prepareTextForEdit() already checks
// the requested rev ID and content against the cached one for equality. For most
// content types, the output should not change during the lifetime of this cache.
// Clearing it can cause extra parses on edit for no reason.
$row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__, $options );
- Hooks::run( 'ArticlePageDataAfter', [ &$this, &$row ] );
+ Hooks::run( 'ArticlePageDataAfter', [ &$wikiPage, &$row ] );
return $row;
}
$this->mLinksUpdated = wfTimestampOrNull( TS_MW, $data->page_links_updated );
$this->mIsRedirect = intval( $data->page_is_redirect );
$this->mLatest = intval( $data->page_latest );
- // Bug 37225: $latest may no longer match the cached latest Revision object.
+ // T39225: $latest may no longer match the cached latest Revision object.
// Double-check the ID of any cached latest Revision object for consistency.
if ( $this->mLastRevision && $this->mLastRevision->getId() != $this->mLatest ) {
$this->mLastRevision = null;
* @return Revision|null
*/
public function getOldestRevision() {
-
// Try using the replica DB first, then try the master
- $continue = 2;
- $db = wfGetDB( DB_REPLICA );
- $revSelectFields = Revision::selectFields();
-
- $row = null;
- while ( $continue ) {
- $row = $db->selectRow(
- [ 'page', 'revision' ],
- $revSelectFields,
- [
- 'page_namespace' => $this->mTitle->getNamespace(),
- 'page_title' => $this->mTitle->getDBkey(),
- 'rev_page = page_id'
- ],
- __METHOD__,
- [
- 'ORDER BY' => 'rev_timestamp ASC'
- ]
- );
-
- if ( $row ) {
- $continue = 0;
- } else {
- $db = wfGetDB( DB_MASTER );
- $continue--;
- }
+ $rev = $this->mTitle->getFirstRevision();
+ if ( !$rev ) {
+ $rev = $this->mTitle->getFirstRevision( Title::GAID_FOR_UPDATE );
}
-
- return $row ? Revision::newFromRow( $row ) : null;
+ return $rev;
}
/**
}
if ( $this->mDataLoadedFrom == self::READ_LOCKING ) {
- // Bug 37225: if session S1 loads the page row FOR UPDATE, the result always
+ // T39225: if session S1 loads the page row FOR UPDATE, the result always
// includes the latest changes committed. This is true even within REPEATABLE-READ
// transactions, where S1 normally only sees changes committed before the first S1
// SELECT. Thus we need S1 to also gets the revision row FOR UPDATE; otherwise, it
/**
* Perform the actions of a page purging
- * @param integer $flags Bitfield of WikiPage::PURGE_* constants
* @return bool
+ * @note In 1.28 (and only 1.28), this took a $flags parameter that
+ * controlled how much purging was done.
*/
- public function doPurge( $flags = self::PURGE_ALL ) {
+ public function doPurge() {
// Avoid PHP 7.1 warning of passing $this by reference
$wikiPage = $this;
return false;
}
- if ( ( $flags & self::PURGE_GLOBAL_PCACHE ) == self::PURGE_GLOBAL_PCACHE ) {
- // Set page_touched in the database to invalidate all DC caches
- $this->mTitle->invalidateCache();
- } elseif ( ( $flags & self::PURGE_CLUSTER_PCACHE ) == self::PURGE_CLUSTER_PCACHE ) {
- // Delete the parser options key in the local cluster to invalidate the DC cache
- ParserCache::singleton()->deleteOptionsKey( $this );
- // Avoid sending HTTP 304s in ViewAction to the client who just issued the purge
- $cache = ObjectCache::getLocalClusterInstance();
- $cache->set(
- $cache->makeKey( 'page', 'last-dc-purge', $this->getId() ),
- wfTimestamp( TS_MW ),
- $cache::TTL_HOUR
- );
- }
+ $this->mTitle->invalidateCache();
- if ( ( $flags & self::PURGE_CDN_CACHE ) == self::PURGE_CDN_CACHE ) {
- // Clear any HTML file cache
- HTMLFileCache::clearFileCache( $this->getTitle() );
- // Send purge after any page_touched above update was committed
- DeferredUpdates::addUpdate(
- new CdnCacheUpdate( $this->mTitle->getCdnUrls() ),
- DeferredUpdates::PRESEND
- );
- }
+ // Clear file cache
+ HTMLFileCache::clearFileCache( $this->getTitle() );
+ // Send purge after above page_touched update was committed
+ DeferredUpdates::addUpdate(
+ new CdnCacheUpdate( $this->mTitle->getCdnUrls() ),
+ DeferredUpdates::PRESEND
+ );
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
$messageCache = MessageCache::singleton();
*
* @return string|bool TS_MW timestamp or false
* @since 1.28
+ * @deprecated since 1.29. It will always return false.
*/
public function getLastPurgeTimestamp() {
- $cache = ObjectCache::getLocalClusterInstance();
-
- return $cache->get( $cache->makeKey( 'page', 'last-dc-purge', $this->getId() ) );
+ wfDeprecated( __METHOD__, '1.29' );
+ return false;
}
/**
);
if ( $dbw->affectedRows() > 0 ) {
- $newid = $pageId ?: $dbw->insertId();
+ $newid = $pageId ? (int)$pageId : $dbw->insertId();
$this->mId = $newid;
$this->mTitle->resetArticleID( $newid );
$this->getContentHandler()->getModelID() );
}
- // Bug 30711: always use current version when adding a new section
+ // T32711: always use current version when adding a new section
if ( is_null( $baseRevId ) || $sectionId === 'new' ) {
$oldContent = $this->getContent();
} else {
return $status;
} elseif ( !$oldContent ) {
- // Sanity check for bug 37225
+ // Sanity check for T39225
throw new MWException( "Could not find text for current revision {$oldid}." );
}
$dbw->endAtomic( __METHOD__ );
$this->mTimestamp = $now;
} else {
- // Bug 32948: revision ID must be set to page {{REVISIONID}} and
+ // T34948: revision ID must be set to page {{REVISIONID}} and
// related variables correctly. Likewise for {{REVISIONUSER}} (T135261).
$revision->setId( $this->getLatest() );
$revision->setUserIdAndName(
$user = is_null( $user ) ? $wgUser : $user;
// XXX: check $user->getId() here???
- // Use a sane default for $serialFormat, see bug 57026
+ // Use a sane default for $serialFormat, see T59026
if ( $serialFormat === null ) {
$serialFormat = $content->getContentHandler()->getDefaultFormat();
}
// Update the links tables and other secondary data
if ( $content ) {
- $recursive = $options['changed']; // bug 50785
+ $recursive = $options['changed']; // T52785
$updates = $content->getSecondaryDataUpdates(
$this->getTitle(), null, $recursive, $editInfo->output
);
if ( $options['created'] ) {
self::onArticleCreate( $this->mTitle );
- } elseif ( $options['changed'] ) { // bug 50785
+ } elseif ( $options['changed'] ) { // T52785
self::onArticleEdit( $this->mTitle, $revision );
}
$dbw->onTransactionPreCommitOrIdle(
function () use ( $dbw, $logEntry, $logid ) {
- // Bug 56776: avoid deadlocks (especially from FileDeleteForm)
+ // T58776: avoid deadlocks (especially from FileDeleteForm)
$logEntry->publish( $logid );
},
__METHOD__
$status->value = $logid;
// Show log excerpt on 404 pages rather than just a link
- $cache = ObjectCache::getMainStashInstance();
- $key = wfMemcKey( 'page-recent-delete', md5( $logTitle->getPrefixedText() ) );
+ $cache = MediaWikiServices::getInstance()->getMainObjectStash();
+ $key = $cache->makeKey( 'page-recent-delete', md5( $logTitle->getPrefixedText() ) );
$cache->set( $key, 1, $cache::TTL_DAY );
return $status;
);
// Set patrolling and bot flag on the edits, which gets rollbacked.
- // This is done even on edit failure to have patrolling in that case (bug 62157).
+ // This is done even on edit failure to have patrolling in that case (T64157).
$set = [];
if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
// Mark all reverted edits as bot
MediaWikiServices::getInstance()->getLinkCache()->invalidateTitle( $title );
+ // Invalidate caches of articles which include this page
+ DeferredUpdates::addUpdate( new HTMLCacheUpdate( $title, 'templatelinks' ) );
+
if ( $title->getNamespace() == NS_CATEGORY ) {
// Load the Category object, which will schedule a job to create
// the category table row if necessary. Checking a replica DB is ok