text: set autocommit=0;
  use mysql;
  set autocommit=1;
  use test;
  set autocommit=0;
  use mysql;
  set autocommit=1;
  select user,host from user;
  set autocommit=0;
  use fakedb;
  use test;
  use mysql;
  use dontuse;
  use mysql;
  drop table if exists t1;
  commit;
  use test;
  use mysql;
  set autocommit=1;
  create table t1(id integer primary key);
  insert into t1 values(5);
  use test;
  use mysql;
  select user from user;
  set autocommit=0;
  set autocommit=1;
  set autocommit=0;
  insert into mysql.t1 values(7);
  use mysql;
  rollback work;
  commit;
  delete from mysql.t1 where id=7;
  insert into mysql.t1 values(7);
  select host,user from mysql.user;
  set autocommit=1;
  delete from mysql.t1 where id = 7;
  select 1 as "endof cycle" from dual;
  