Merge "Special:RC 'hidemajor' filter"
[lhc/web/wiklou.git] / includes / deferred / LinksDeletionUpdate.php
index ca3500e..7215696 100644 (file)
  * @file
  */
 use MediaWiki\MediaWikiServices;
+use Wikimedia\ScopedCallback;
 
 /**
  * Update object handling the cleanup of links tables after a page was deleted.
- **/
+ */
 class LinksDeletionUpdate extends DataUpdate implements EnqueueableDataUpdate {
        /** @var WikiPage */
        protected $page;
@@ -42,6 +43,8 @@ class LinksDeletionUpdate extends DataUpdate implements EnqueueableDataUpdate {
         * @throws MWException
         */
        function __construct( WikiPage $page, $pageId = null, $timestamp = null ) {
+               parent::__construct();
+
                $this->page = $page;
                if ( $pageId ) {
                        $this->pageId = $pageId; // page ID at time of deletion
@@ -62,9 +65,12 @@ class LinksDeletionUpdate extends DataUpdate implements EnqueueableDataUpdate {
 
                // 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->getDB(), $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
@@ -103,91 +109,85 @@ class LinksDeletionUpdate extends DataUpdate implements EnqueueableDataUpdate {
                        }
                }
 
-               // If using cascading deletes, we can skip some explicit deletes
-               if ( !$dbw->cascadingDeletes() ) {
-                       // Delete outgoing links
-                       $this->batchDeleteByPK(
-                               'pagelinks',
-                               [ 'pl_from' => $id ],
-                               [ 'pl_from', 'pl_namespace', 'pl_title' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'imagelinks',
-                               [ 'il_from' => $id ],
-                               [ 'il_from', 'il_to' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'categorylinks',
-                               [ 'cl_from' => $id ],
-                               [ 'cl_from', 'cl_to' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'templatelinks',
-                               [ 'tl_from' => $id ],
-                               [ 'tl_from', 'tl_namespace', 'tl_title' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'externallinks',
-                               [ 'el_from' => $id ],
-                               [ 'el_id' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'langlinks',
-                               [ 'll_from' => $id ],
-                               [ 'll_from', 'll_lang' ],
-                               $batchSize
-                       );
-                       $this->batchDeleteByPK(
-                               'iwlinks',
-                               [ 'iwl_from' => $id ],
-                               [ 'iwl_from', 'iwl_prefix', 'iwl_title' ],
-                               $batchSize
-                       );
-                       // Delete any redirect entry or page props entries
-                       $dbw->delete( 'redirect', [ 'rd_from' => $id ], __METHOD__ );
-                       $dbw->delete( 'page_props', [ 'pp_page' => $id ], __METHOD__ );
-               }
+               $this->batchDeleteByPK(
+                       'pagelinks',
+                       [ 'pl_from' => $id ],
+                       [ 'pl_from', 'pl_namespace', 'pl_title' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'imagelinks',
+                       [ 'il_from' => $id ],
+                       [ 'il_from', 'il_to' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'categorylinks',
+                       [ 'cl_from' => $id ],
+                       [ 'cl_from', 'cl_to' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'templatelinks',
+                       [ 'tl_from' => $id ],
+                       [ 'tl_from', 'tl_namespace', 'tl_title' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'externallinks',
+                       [ 'el_from' => $id ],
+                       [ 'el_id' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'langlinks',
+                       [ 'll_from' => $id ],
+                       [ 'll_from', 'll_lang' ],
+                       $batchSize
+               );
+               $this->batchDeleteByPK(
+                       'iwlinks',
+                       [ 'iwl_from' => $id ],
+                       [ 'iwl_from', 'iwl_prefix', 'iwl_title' ],
+                       $batchSize
+               );
 
-               // If using cleanup triggers, we can skip some manual deletes
-               if ( !$dbw->cleanupTriggers() ) {
-                       // Find recentchanges entries to clean up...
-                       $rcIdsForTitle = $dbw->selectFieldValues(
-                               'recentchanges',
-                               'rc_id',
-                               [
-                                       'rc_type != ' . RC_LOG,
-                                       'rc_namespace' => $title->getNamespace(),
-                                       'rc_title' => $title->getDBkey(),
-                                       'rc_timestamp < ' .
-                                               $dbw->addQuotes( $dbw->timestamp( $this->timestamp ) )
-                               ],
-                               __METHOD__
-                       );
-                       $rcIdsForPage = $dbw->selectFieldValues(
-                               'recentchanges',
-                               'rc_id',
-                               [ 'rc_type != ' . RC_LOG, 'rc_cur_id' => $id ],
-                               __METHOD__
-                       );
+               // Delete any redirect entry or page props entries
+               $dbw->delete( 'redirect', [ 'rd_from' => $id ], __METHOD__ );
+               $dbw->delete( 'page_props', [ 'pp_page' => $id ], __METHOD__ );
+
+               // Find recentchanges entries to clean up...
+               $rcIdsForTitle = $dbw->selectFieldValues(
+                       'recentchanges',
+                       'rc_id',
+                       [
+                               'rc_type != ' . RC_LOG,
+                               'rc_namespace' => $title->getNamespace(),
+                               'rc_title' => $title->getDBkey(),
+                               'rc_timestamp < ' .
+                                       $dbw->addQuotes( $dbw->timestamp( $this->timestamp ) )
+                       ],
+                       __METHOD__
+               );
+               $rcIdsForPage = $dbw->selectFieldValues(
+                       'recentchanges',
+                       'rc_id',
+                       [ 'rc_type != ' . RC_LOG, 'rc_cur_id' => $id ],
+                       __METHOD__
+               );
 
-                       // 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 ) {
-                               $dbw->delete( 'recentchanges', [ 'rc_id' => $rcIdBatch ], __METHOD__ );
-                               if ( count( $rcIdBatches ) > 1 ) {
-                                       $lbFactory->commitAndWaitForReplication(
-                                               __METHOD__, $this->ticket, [ 'wiki' => $dbw->getWikiID() ]
-                                       );
-                               }
+               // 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 ) {
+                       $dbw->delete( 'recentchanges', [ 'rc_id' => $rcIdBatch ], __METHOD__ );
+                       if ( count( $rcIdBatches ) > 1 ) {
+                               $lbFactory->commitAndWaitForReplication(
+                                       __METHOD__, $this->ticket, [ 'wiki' => $dbw->getWikiID() ]
+                               );
                        }
                }
 
-               // Commit and release the lock
+               // Commit and release the lock (if set)
                ScopedCallback::consume( $scopedLock );
        }