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drop table if exists t1, t2;
create table t1 (a int) engine=innodb;
create table t2 (a int) engine=myisam;
reset master;
begin;
insert into t1 values(1);
insert into t2 select * from t1;
commit;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(1)
master-bin.000001 238 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 326 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(2);
insert into t2 select * from t1;
rollback;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(2)
master-bin.000001 238 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 326 Query 1 # use `test`; ROLLBACK
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(3);
savepoint my_savepoint;
insert into t1 values(4);
insert into t2 select * from t1;
rollback to savepoint my_savepoint;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
commit;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(3)
master-bin.000001 238 Query 1 # use `test`; savepoint my_savepoint
master-bin.000001 317 Query 1 # use `test`; insert into t1 values(4)
master-bin.000001 398 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 486 Query 1 # use `test`; rollback to savepoint my_savepoint
master-bin.000001 577 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(5);
savepoint my_savepoint;
insert into t1 values(6);
insert into t2 select * from t1;
rollback to savepoint my_savepoint;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
insert into t1 values(7);
commit;
select a from t1 order by a;
a
5
7
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(5)
master-bin.000001 238 Query 1 # use `test`; savepoint my_savepoint
master-bin.000001 317 Query 1 # use `test`; insert into t1 values(6)
master-bin.000001 398 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 486 Query 1 # use `test`; rollback to savepoint my_savepoint
master-bin.000001 577 Query 1 # use `test`; insert into t1 values(7)
master-bin.000001 658 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
reset master;
select get_lock("a",10);
get_lock("a",10)
1
begin;
insert into t1 values(8);
insert into t2 select * from t1;
select get_lock("a",10);
get_lock("a",10)
1
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(8)
master-bin.000001 238 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 326 Query 1 # use `test`; ROLLBACK
delete from t1;
delete from t2;
reset master;
insert into t1 values(9);
insert into t2 select * from t1;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; insert into t1 values(9)
master-bin.000001 176 Query 1 # use `test`; insert into t2 select * from t1
delete from t1;
delete from t2;
reset master;
insert into t1 values(10);
begin;
insert into t2 select * from t1;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; insert into t1 values(10)
master-bin.000001 177 Query 1 # use `test`; insert into t2 select * from t1
insert into t1 values(11);
commit;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; insert into t1 values(10)
master-bin.000001 177 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 265 Query 1 # use `test`; BEGIN
master-bin.000001 327 Query 1 # use `test`; insert into t1 values(11)
master-bin.000001 409 Query 1 # use `test`; COMMIT
alter table t2 engine=INNODB;
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(12);
insert into t2 select * from t1;
commit;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(12)
master-bin.000001 239 Query 1 # use `test`; insert into t2 select * from t1
master-bin.000001 327 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(13);
insert into t2 select * from t1;
rollback;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(14);
savepoint my_savepoint;
insert into t1 values(15);
insert into t2 select * from t1;
rollback to savepoint my_savepoint;
commit;
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(14)
master-bin.000001 239 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
reset master;
begin;
insert into t1 values(16);
savepoint my_savepoint;
insert into t1 values(17);
insert into t2 select * from t1;
rollback to savepoint my_savepoint;
insert into t1 values(18);
commit;
select a from t1 order by a;
a
16
18
show binlog events from 95;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 95 Query 1 # use `test`; BEGIN
master-bin.000001 157 Query 1 # use `test`; insert into t1 values(16)
master-bin.000001 239 Query 1 # use `test`; insert into t1 values(18)
master-bin.000001 321 Query 1 # use `test`; COMMIT
delete from t1;
delete from t2;
alter table t2 type=MyISAM;
insert into t1 values (1);
begin;
select * from t1 for update;
a
1
select (@before:=unix_timestamp())*0;
(@before:=unix_timestamp())*0
0
begin;
select * from t1 for update;
insert into t2 values (20);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select (@after:=unix_timestamp())*0;
(@after:=unix_timestamp())*0
0
select (@after-@before) >= 2;
(@after-@before) >= 2
1
drop table t1,t2;
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