*
* @file
*/
+use MediaWiki\MediaWikiServices;
+
/**
* Update object handling the cleanup of links tables after a page was deleted.
**/
-class LinksDeletionUpdate extends SqlDataUpdate implements EnqueueableDataUpdate {
+class LinksDeletionUpdate extends DataUpdate implements EnqueueableDataUpdate {
/** @var WikiPage */
protected $page;
/** @var integer */
/** @var string */
protected $timestamp;
+ /** @var IDatabase */
+ private $db;
+
/**
* @param WikiPage $page Page we are updating
* @param integer|null $pageId ID of the page we are updating [optional]
* @throws MWException
*/
function __construct( WikiPage $page, $pageId = null, $timestamp = null ) {
- parent::__construct( false ); // no implicit transaction
+ parent::__construct();
$this->page = $page;
if ( $pageId ) {
}
public function doUpdate() {
- $config = RequestContext::getMain()->getConfig();
+ $services = MediaWikiServices::getInstance();
+ $config = $services->getMainConfig();
+ $lbFactory = $services->getDBLoadBalancerFactory();
$batchSize = $config->get( 'UpdateRowsPerQuery' );
- $factory = wfGetLBFactory();
// Page may already be deleted, so don't just getId()
$id = $this->pageId;
- // Make sure all links update threads see the changes of each other.
- // This handles the case when updates have to batched into several COMMITs.
- $scopedLock = LinksUpdate::acquirePageLock( $this->mDb, $id );
+
+ if ( $this->ticket ) {
+ // Make sure all links update threads see the changes of each other.
+ // This handles the case when updates have to batched into several COMMITs.
+ $scopedLock = LinksUpdate::acquirePageLock( $this->getDB(), $id );
+ }
$title = $this->page->getTitle();
+ $dbw = $this->getDB(); // convenience
// Delete restrictions for it
- $this->mDb->delete( 'page_restrictions', [ 'pr_page' => $id ], __METHOD__ );
+ $dbw->delete( 'page_restrictions', [ 'pr_page' => $id ], __METHOD__ );
// Fix category table counts
- $cats = $this->mDb->selectFieldValues(
+ $cats = $dbw->selectFieldValues(
'categorylinks',
'cl_to',
[ 'cl_from' => $id ],
foreach ( $catBatches as $catBatch ) {
$this->page->updateCategoryCounts( [], $catBatch, $id );
if ( count( $catBatches ) > 1 ) {
- $factory->commitMasterChanges( __METHOD__ );
- $factory->waitForReplication( [ 'wiki' => $this->mDb->getWikiID() ] );
+ $lbFactory->commitAndWaitForReplication(
+ __METHOD__, $this->ticket, [ 'wiki' => $dbw->getWikiID() ]
+ );
}
}
// Refresh the category table entry if it seems to have no pages. Check
// master for the most up-to-date cat_pages count.
if ( $title->getNamespace() === NS_CATEGORY ) {
- $row = $this->mDb->selectRow(
+ $row = $dbw->selectRow(
'category',
[ 'cat_id', 'cat_title', 'cat_pages', 'cat_subcats', 'cat_files' ],
[ 'cat_title' => $title->getDBkey(), 'cat_pages <= 0' ],
__METHOD__
);
if ( $row ) {
- $cat = Category::newFromRow( $row, $title )->refreshCounts();
+ Category::newFromRow( $row, $title )->refreshCounts();
}
}
// If using cascading deletes, we can skip some explicit deletes
- if ( !$this->mDb->cascadingDeletes() ) {
+ if ( !$dbw->cascadingDeletes() ) {
// Delete outgoing links
$this->batchDeleteByPK(
'pagelinks',
$batchSize
);
// Delete any redirect entry or page props entries
- $this->mDb->delete( 'redirect', [ 'rd_from' => $id ], __METHOD__ );
- $this->mDb->delete( 'page_props', [ 'pp_page' => $id ], __METHOD__ );
+ $dbw->delete( 'redirect', [ 'rd_from' => $id ], __METHOD__ );
+ $dbw->delete( 'page_props', [ 'pp_page' => $id ], __METHOD__ );
}
// If using cleanup triggers, we can skip some manual deletes
- if ( !$this->mDb->cleanupTriggers() ) {
+ if ( !$dbw->cleanupTriggers() ) {
// Find recentchanges entries to clean up...
- $rcIdsForTitle = $this->mDb->selectFieldValues(
+ $rcIdsForTitle = $dbw->selectFieldValues(
'recentchanges',
'rc_id',
[
'rc_namespace' => $title->getNamespace(),
'rc_title' => $title->getDBkey(),
'rc_timestamp < ' .
- $this->mDb->addQuotes( $this->mDb->timestamp( $this->timestamp ) )
+ $dbw->addQuotes( $dbw->timestamp( $this->timestamp ) )
],
__METHOD__
);
- $rcIdsForPage = $this->mDb->selectFieldValues(
+ $rcIdsForPage = $dbw->selectFieldValues(
'recentchanges',
'rc_id',
[ 'rc_type != ' . RC_LOG, 'rc_cur_id' => $id ],
// T98706: delete by PK to avoid lock contention with RC delete log insertions
$rcIdBatches = array_chunk( array_merge( $rcIdsForTitle, $rcIdsForPage ), $batchSize );
foreach ( $rcIdBatches as $rcIdBatch ) {
- $this->mDb->delete( 'recentchanges', [ 'rc_id' => $rcIdBatch ], __METHOD__ );
+ $dbw->delete( 'recentchanges', [ 'rc_id' => $rcIdBatch ], __METHOD__ );
if ( count( $rcIdBatches ) > 1 ) {
- $factory->commitMasterChanges( __METHOD__ );
- $factory->waitForReplication( [ 'wiki' => $this->mDb->getWikiID() ] );
+ $lbFactory->commitAndWaitForReplication(
+ __METHOD__, $this->ticket, [ 'wiki' => $dbw->getWikiID() ]
+ );
}
}
}
- // Commit and release the lock
+ // Commit and release the lock (if set)
ScopedCallback::consume( $scopedLock );
}
private function batchDeleteByPK( $table, array $conds, array $pk, $bSize ) {
- $dbw = $this->mDb; // convenience
- $factory = wfGetLBFactory();
+ $services = MediaWikiServices::getInstance();
+ $lbFactory = $services->getDBLoadBalancerFactory();
+ $dbw = $this->getDB(); // convenience
+
$res = $dbw->select( $table, $pk, $conds, __METHOD__ );
$pkDeleteConds = [];
foreach ( $res as $row ) {
- $pkDeleteConds[] = $this->mDb->makeList( (array)$row, LIST_AND );
+ $pkDeleteConds[] = $dbw->makeList( (array)$row, LIST_AND );
if ( count( $pkDeleteConds ) >= $bSize ) {
$dbw->delete( $table, $dbw->makeList( $pkDeleteConds, LIST_OR ), __METHOD__ );
- $factory->commitMasterChanges( __METHOD__ );
- $factory->waitForReplication( [ 'wiki' => $dbw->getWikiID() ] );
+ $lbFactory->commitAndWaitForReplication(
+ __METHOD__, $this->ticket, [ 'wiki' => $dbw->getWikiID() ]
+ );
$pkDeleteConds = [];
}
}
}
}
+ protected function getDB() {
+ if ( !$this->db ) {
+ $this->db = wfGetDB( DB_MASTER );
+ }
+
+ return $this->db;
+ }
+
public function getAsJobSpecification() {
return [
- 'wiki' => $this->mDb->getWikiID(),
+ 'wiki' => $this->getDB()->getWikiID(),
'job' => new JobSpecification(
'deleteLinks',
[ 'pageId' => $this->pageId, 'timestamp' => $this->timestamp ],
dépôts / lhc / web / wiklou.git / blobdiff