config root man

set global innodb_file_per_table = off;
use test;
create temporary table t1
(a int, b char(100), c char(100)) engine = innodb;
create procedure populate_t1()
begin
declare i int default 1;
while (i <= 2000) DO
insert into t1 values (i, 'a', 'b');
set i = i + 1;
end while;
end|
begin;
call populate_t1();
commit;
select count(*) from t1;
count(*)
2000
begin;
call populate_t1();
rollback;
select count(*) from t1;
count(*)
2000
truncate table t1;
select count(*) from t1;
count(*)
0
begin;
call populate_t1();
commit;
select count(*) from t1;
count(*)
2000
delete from t1 where a < 500;
select count(*) from t1;
count(*)
1501
update t1 set b = 'innodb' where b = 'a';
update t1 set c = 'mysql' where c = 'b' and a < 1000;
begin;
update t1 set c = 'sqldb' where c = 'mysql' and a < 1000;
select count(*) from t1 where c = 'sqldb';
count(*)
500
rollback;
drop procedure populate_t1;
drop table t1;
create table t1
(a int, b char(100), c char(100)) engine = innodb;
create procedure populate_t1()
begin
declare i int default 1;
while (i <= 2000) DO
insert into t1 values (i, 'a', 'b');
set i = i + 1;
end while;
end|
begin;
call populate_t1();
commit;
select count(*) from t1;
count(*)
2000
begin;
call populate_t1();
rollback;
select count(*) from t1;
count(*)
2000
truncate table t1;
select count(*) from t1;
count(*)
0
begin;
call populate_t1();
commit;
select count(*) from t1;
count(*)
2000
delete from t1 where a < 500;
select count(*) from t1;
count(*)
1501
update t1 set b = 'innodb' where b = 'a';
update t1 set c = 'mysql' where c = 'b' and a < 1000;
begin;
update t1 set c = 'sqldb' where c = 'mysql' and a < 1000;
select count(*) from t1 where c = 'sqldb';
count(*)
500
rollback;
drop procedure populate_t1;
drop table t1;
use test;
create temporary table t1
(a int, b char(100), c char(100)) engine = innodb;
create table t2
(a int, b char(100), c char(100)) engine = innodb;
create procedure populate_t1_t2()
begin
declare i int default 1;
while (i <= 2000) DO
insert into t1 values (i, 'a', 'b');
insert into t2 values (i, 'a', 'b');
set i = i + 1;
end while;
end|
create procedure populate_t1_t2_small()
begin
declare i int default 1;
while (i <= 200) DO
insert into t1 values (i, 'a', 'b');
insert into t2 values (i, 'a', 'b');
set i = i + 1;
end while;
end|
begin;
call populate_t1_t2();
commit;
select count(*) from t1;
count(*)
2000
select count(*) from t2;
count(*)
2000
begin;
delete from t1 where a <= 100;
delete from t2 where a > 1900;
select count(*) from t1;
count(*)
1900
select count(*) from t2;
count(*)
1900
commit;
begin;
update t1 set b = 'innodb' where b = 'a' and a <= 1000;
update t2 set b = 'myisam' where c = 'b' and a > 1000;
commit;
delete from t1 where b = 'a';
delete from t2 where c = 'myisam';
select count(*) from t1;
count(*)
900
select count(*) from t2;
count(*)
1900
insert into t1 values (1000000, 'mysql', 'db');
begin;
call populate_t1_t2_small();
select count(*) from t1;
count(*)
1101
select count(*) from t2;
count(*)
2100
rollback;
select count(*) from t1;
count(*)
901
select count(*) from t2;
count(*)
1900
drop table t2;
drop table t1;
drop procedure populate_t1_t2;
drop procedure populate_t1_t2_small;
create temporary table t1 (i int) engine=innodb;
create table t2 (i int) engine=innodb;
insert into t1 values (1);
insert into t2 values (101);
select * from t1;
i
1
select * from t2;
i
101
xa start 'tx1';
insert into t1 values (2), (3);
insert into t2 values (202), (303);
select * from t1;
i
1
2
3
select * from t2;
i
101
202
303
xa end 'tx1';
xa prepare 'tx1';
xa commit 'tx1';
select * from t1;
i
1
2
3
select * from t2;
i
101
202
303
xa start 'tx1';
insert into t1 values (2), (3);
insert into t2 values (202), (303);
select * from t1;
i
1
2
3
2
3
select * from t2;
i
101
202
303
202
303
xa end 'tx1';
xa prepare 'tx1';
xa rollback 'tx1';
select * from t1;
i
1
2
3
select * from t2;
i
101
202
303
xa start 'tx1';
insert into t1 values (2), (3);
select * from t1;
i
1
2
3
2
3
xa end 'tx1';
xa prepare 'tx1';
xa commit 'tx1';
select * from t1;
i
1
2
3
2
3
drop table t1;
drop table t2;
set global innodb_file_per_table=default;