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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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t2
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 Xid 1 # COMMIT /* xid= */
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t2
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Query 1 # use `test`; savepoint my_savepoint
master-bin.000001 328 Table_map 1 # test.t1
master-bin.000001 367 Write_rows 1 #
master-bin.000001 401 Table_map 1 # test.t2
master-bin.000001 440 Write_rows 1 #
master-bin.000001 479 Query 1 # use `test`; rollback to savepoint my_savepoint
master-bin.000001 576 Xid 1 # COMMIT /* xid= */
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Query 1 # use `test`; savepoint my_savepoint
master-bin.000001 328 Table_map 1 # test.t1
master-bin.000001 367 Write_rows 1 #
master-bin.000001 401 Table_map 1 # test.t2
master-bin.000001 440 Write_rows 1 #
master-bin.000001 479 Query 1 # use `test`; rollback to savepoint my_savepoint
master-bin.000001 576 Table_map 1 # test.t1
master-bin.000001 615 Write_rows 1 #
master-bin.000001 649 Xid 1 # COMMIT /* xid= */
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t2
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Table_map 1 # test.t1
master-bin.000001 141 Write_rows 1 #
master-bin.000001 175 Xid 1 # COMMIT /* xid= */
master-bin.000001 202 Table_map 1 # test.t2
master-bin.000001 241 Write_rows 1 #
delete from t1;
delete from t2;
reset master;
insert into t1 values(10);
begin;
insert into t2 select * from t1;
show binlog events from 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Table_map 1 # test.t1
master-bin.000001 141 Write_rows 1 #
master-bin.000001 175 Xid 1 # COMMIT /* xid= */
master-bin.000001 202 Table_map 1 # test.t2
master-bin.000001 241 Write_rows 1 #
insert into t1 values(11);
commit;
show binlog events from 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Table_map 1 # test.t1
master-bin.000001 141 Write_rows 1 #
master-bin.000001 175 Xid 1 # COMMIT /* xid= */
master-bin.000001 202 Table_map 1 # test.t2
master-bin.000001 241 Write_rows 1 #
master-bin.000001 275 Query 1 # use `test`; BEGIN
master-bin.000001 343 Table_map 1 # test.t1
master-bin.000001 382 Write_rows 1 #
master-bin.000001 416 Xid 1 # COMMIT /* xid= */
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t2
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 Xid 1 # COMMIT /* xid= */
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 102;
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Xid 1 # COMMIT /* xid= */
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 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t1
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 Xid 1 # COMMIT /* xid= */
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;
commit;
begin;
create temporary table ti (a int) engine=innodb;
rollback;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
insert into ti values(1);
set autocommit=0;
create temporary table t1 (a int) engine=myisam;
commit;
insert t1 values (1);
rollback;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
create table t0 (n int);
insert t0 select * from t1;
set autocommit=1;
insert into t0 select GET_LOCK("lock1",null);
set autocommit=0;
create table t2 (n int) engine=innodb;
insert into t2 values (3);
select get_lock("lock1",60);
get_lock("lock1",60)
1
show binlog events from 102;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 102 Query 1 # use `test`; BEGIN
master-bin.000001 170 Table_map 1 # test.t1
master-bin.000001 209 Write_rows 1 #
master-bin.000001 243 Table_map 1 # test.t1
master-bin.000001 282 Write_rows 1 #
master-bin.000001 316 Xid 1 # COMMIT /* xid= */
master-bin.000001 343 Query 1 # use `test`; delete from t1
master-bin.000001 420 Xid 1 # COMMIT /* xid= */
master-bin.000001 447 Query 1 # use `test`; delete from t2
master-bin.000001 524 Xid 1 # COMMIT /* xid= */
master-bin.000001 551 Query 1 # use `test`; alter table t2 type=MyISAM
master-bin.000001 640 Table_map 1 # test.t1
master-bin.000001 679 Write_rows 1 #
master-bin.000001 713 Xid 1 # COMMIT /* xid= */
master-bin.000001 740 Table_map 1 # test.t2
master-bin.000001 779 Write_rows 1 #
master-bin.000001 813 Query 1 # use `test`; drop table t1,t2
master-bin.000001 892 Query 1 # use `test`; create table t0 (n int)
master-bin.000001 978 Table_map 1 # test.t0
master-bin.000001 1017 Write_rows 1 #
master-bin.000001 1051 Table_map 1 # test.t0
master-bin.000001 1090 Write_rows 1 #
master-bin.000001 1124 Query 1 # use `test`; create table t2 (n int) engine=innodb
do release_lock("lock1");
drop table t0,t2;
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