text: drop table if exists gh_ost_test;
  create table gh_ost_test (
    id int auto_increment,
    t varchar(128) charset utf8mb4,
    primary key(id)
  ) auto_increment=1;
  
  drop event if exists gh_ost_test;
  delimiter ;;
  create event gh_ost_test
    on schedule every 1 second
    starts current_timestamp
    ends current_timestamp + interval 60 second
    on completion not preserve
    enable
    do
  begin
    insert into gh_ost_test values (null, md5(rand()));
    insert into gh_ost_test values (null, 'átesting');
    insert into gh_ost_test values (null, '🍻😀');
  end ;;
  