Cleanup some comments related to DB replication

[lhc/web/wiklou.git] / includes / jobqueue / jobs / ClearUserWatchlistJob.php

diff --git a/includes/jobqueue/jobs/ClearUserWatchlistJob.php b/includes/jobqueue/jobs/ClearUserWatchlistJob.php
index 17c4b66..77adfa1 100644 (file)
--- a/includes/jobqueue/jobs/ClearUserWatchlistJob.php
+++ b/includes/jobqueue/jobs/ClearUserWatchlistJob.php
@@ -28,15 +28,10 @@ class ClearUserWatchlistJob extends Job {
        /**
         * @param Title|null $title Not used by this job.
         * @param array $params
-        *  - batchSize,      Number of watchlist entries to remove at once.
         *  - userId,         The ID for the user whose watchlist is being cleared.
         *  - maxWatchlistId, The maximum wl_id at the time the job was first created,
         */
        public function __construct( Title $title = null, array $params ) {
-               if ( !array_key_exists( 'batchSize', $params ) ) {
-                       $params['batchSize'] = 1000;
-               }
-
                parent::__construct(
                        'clearUserWatchlist',
                        SpecialPage::getTitleFor( 'EditWatchlist', 'clear' ),
@@ -47,8 +42,10 @@ class ClearUserWatchlistJob extends Job {
        }
 
        public function run() {
+               global $wgUpdateRowsPerQuery;
                $userId = $this->params['userId'];
                $maxWatchlistId = $this->params['maxWatchlistId'];
+               $batchSize = $wgUpdateRowsPerQuery;
 
                $loadBalancer = MediaWikiServices::getInstance()->getDBLoadBalancer();
                $dbw = $loadBalancer->getConnection( DB_MASTER );
@@ -56,7 +53,7 @@ class ClearUserWatchlistJob extends Job {
 
                // Wait before lock to try to reduce time waiting in the lock.
                if ( !$loadBalancer->safeWaitForMasterPos( $dbr ) ) {
-                       $this->setLastError( 'Timed out while waiting for slave to catch up before lock' );
+                       $this->setLastError( 'Timed out waiting for replica to catch up before lock' );
                        return false;
                }
 
@@ -69,7 +66,7 @@ class ClearUserWatchlistJob extends Job {
                }
 
                if ( !$loadBalancer->safeWaitForMasterPos( $dbr ) ) {
-                       $this->setLastError( 'Timed out while waiting for slave to catch up within lock' );
+                       $this->setLastError( 'Timed out waiting for replica to catch up within lock' );
                        return false;
                }
 
@@ -86,7 +83,7 @@ class ClearUserWatchlistJob extends Job {
                        __METHOD__,
                        [
                                'ORDER BY' => 'wl_id ASC',
-                               'LIMIT' => $this->params['batchSize'],
+                               'LIMIT' => $batchSize,
                        ]
                );
 
@@ -101,7 +98,9 @@ class ClearUserWatchlistJob extends Job {
                $lbf->commitMasterChanges( __METHOD__ );
                unset( $scopedLock );
 
-               if ( count( $watchlistIds ) == $this->params['batchSize'] ) {
+               if ( count( $watchlistIds ) === (int)$batchSize ) {
+                       // Until we get less results than the limit, recursively push
+                       // the same job again.
                        JobQueueGroup::singleton()->push( new self( $this->getTitle(), $this->getParams() ) );
                }