From 27f5535e208b26e4aa9eddbe133939c9833af9a9 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aschulz@wikimedia.org>
Date: Thu, 28 Mar 2019 18:06:59 -0700
Subject: [PATCH] Avoid calling setTransactionTicket() on a non-DataUpdate for
 sanity

Change-Id: Idbdb8bb2b8d065c8c86308ef8964e64fcd8dc7fb
---
 includes/Storage/DerivedPageDataUpdater.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/Storage/DerivedPageDataUpdater.php b/includes/Storage/DerivedPageDataUpdater.php
index 9ce12b4b13..d5c1656505 100644
--- a/includes/Storage/DerivedPageDataUpdater.php
+++ b/includes/Storage/DerivedPageDataUpdater.php
@@ -1590,8 +1590,9 @@ class DerivedPageDataUpdater implements IDBAccessObject {
 				$update->setRevision( $legacyRevision );
 				$update->setTriggeringUser( $triggeringUser );
 			}
+
 			if ( $options['defer'] === false ) {
-				if ( $options['transactionTicket'] !== null ) {
+				if ( $update instanceof DataUpdate && $options['transactionTicket'] !== null ) {
 					$update->setTransactionTicket( $options['transactionTicket'] );
 				}
 				$update->doUpdate();
-- 
2.20.1