drop table if exists t1,t2,t3,t4;
create table t1(id int primary key, money1 int);
insert into t1 values(1,100);
begin;
update t1 set money1 = money1+100 where id=2;
begin;
insert into t1 values(2,100);
commit;
ROLLBACK;
select * from t1;
id	money1
1	100
begin;
insert into t1 values(3,100);
commit;
begin;
update t1 set money1 = money1+100 where id=3;
set @@ob_trx_timeout=100000000;
begin;
set @@ob_query_timeout = 10000000;
delete from t1 where id = 3;
Got one of the listed errors
commit;
ROLLBACK;
select * from t1;
id	money1
1	100
3	200
drop table t1;