DifferenceEngine: Use quickUserCan for display of rollback link
authorDaimona Eaytoy <daimona.wiki@gmail.com>
Fri, 12 Apr 2019 09:17:57 +0000 (11:17 +0200)
committerDaimona Eaytoy <daimona.wiki@gmail.com>
Mon, 9 Sep 2019 15:30:44 +0000 (15:30 +0000)
commitcbf0404caa43b18059abe91c74c2d536286a83b6
tree13522a30eec943025f3a8fc51db4dd40f4052280
parent4ed9a5bcdd5678eb072563dd13faea56ff5153c0
DifferenceEngine: Use quickUserCan for display of rollback link

Title::userCan is too expensive for this, as it queries the master DB
just to decide whether a link should be shown.
The DBPerformance warning for this is seen roughly 8000 times per day on
logstash.

Bug: T232258
Change-Id: I33eab493273ed4790645e338c83993043e76e1d7
includes/diff/DifferenceEngine.php