Git commits in Moodle 2.8.9 by Jean-Philippe Gaudreau
commit 80764a301f19d39a7ff0a468e6f4e6c5f36f675c Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca> Date: Tue, 25 Aug 2015 05:05:44 +0800 Tag: v2.8.9 MDL-51191 assign: Optimizing slow SQL query for MySQL