Merge "Make UserEditCountUpdate::doUpdate avoid comparing IDatabase instances"

[lhc/web/wiklou.git] / includes / deferred / UserEditCountUpdate.php

diff --git a/includes/deferred/UserEditCountUpdate.php b/includes/deferred/UserEditCountUpdate.php
index 3ccb4a8..ed7e00c 100644 (file)
--- a/includes/deferred/UserEditCountUpdate.php
+++ b/includes/deferred/UserEditCountUpdate.php
@@ -82,16 +82,15 @@ class UserEditCountUpdate implements DeferrableUpdate, MergeableUpdate {
                                $affectedInstances = $info['instances'];
                                // Lazy initialization check...
                                if ( $dbw->affectedRows() == 0 ) {
-                                       // No rows will be "affected" if user_editcount is NULL.
-                                       // Check if the generic "replica" connection is not the master.
+                                       // The user_editcount is probably NULL (e.g. not initialized).
+                                       // Since this update runs after the new revisions were committed,
+                                       // wait for the replica DB to catch up so they will be counted.
                                        $dbr = $lb->getConnection( DB_REPLICA );
-                                       if ( $dbr !== $dbw ) {
-                                               // This method runs after the new revisions were committed.
-                                               // Wait for the replica to catch up so they will all be counted.
-                                               $dbr->flushSnapshot( $fname );
-                                               $lb->waitForMasterPos( $dbr );
-                                       }
-                                       $affectedInstances[0]->initEditCountInternal();
+                                       // If $dbr is actually the master DB, then clearing the snapshot is
+                                       // is harmless and waitForMasterPos() will just no-op.
+                                       $dbr->flushSnapshot( $fname );
+                                       $lb->waitForMasterPos( $dbr );
+                                       $affectedInstances[0]->initEditCountInternal( $dbr );
                                }
                                $newCount = (int)$dbw->selectField(
                                        'user',