1drop table if exists t1;
2create table t1 (n int not null primary key) engine=myisam;
3begin work;
4insert into t1 values (4);
5insert into t1 values (5);
6rollback;
7Warnings:
8Warning	1196	Some non-transactional changed tables couldn't be rolled back
9show warnings;
10Level	Code	Message
11Warning	1196	Some non-transactional changed tables couldn't be rolled back
12show errors;
13Level	Code	Message
14select @@warning_count,@@error_count;
15@@warning_count	@@error_count
161	0
17select * from t1;
18n
194
205
21show warnings;
22Level	Code	Message
23select @@warning_count;
24@@warning_count
250
26drop table t1;
27