Database activity does not store the last time activity instances were modified

In a 3.0 instance create a few database activites Look at the database and ensure the data table does not have the timmodified field, e.g. select id,timemodified from mdl_data; column "timemodified" does not exist LINE 1: select id,timemodified from mdl_data Upgrade to version including this patch VERIFY: The table now has the timemodified field and it is set to 0. e.g. select id,timemodified from mdl_data; +------+----------------+ | id | timemodified | |------+----------------| | 1 | 0 | +------+----------------+ Update the database activity and change one of its settings in the web ui Verify the timemodified field has been changed: select id,timemodified from mdl_data; +------+----------------+ | id | timemodified | |------+----------------| | 1 | 1456997054 | +------+----------------+ Create a new database activity module VERIFY: the timemodiifed field for the newly created record is set select id,timemodified from mdl_data; +------+----------------+ | id | timemodified | |------+----------------| | 1 | 1456997054 | | 2 | 1456997211 | +------+----------------+ backup and restore a course with database activity in it. Ensure the timemodified field value is preserved