modified:
  mysql-test/r/ps_2myisam.result
  mysql-test/r/ps_3innodb.result
  mysql-test/r/ps_4heap.result
  mysql-test/r/ps_5merge.result
  mysql-test/r/type_datetime_hires.result
  mysql-test/suite/maria/r/ps_maria.result
  mysql-test/t/type_datetime_hires.test
  sql/item_timefunc.h