124 lines
4.3 KiB
Plaintext
124 lines
4.3 KiB
Plaintext
|
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
|
||
|
|
create table t1 (id int not null, f_id int not null, f int not null,
|
||
|
|
primary key(f_id, id)) engine = InnoDB;
|
||
|
|
create table t2 (id int not null,s_id int not null,s varchar(200),
|
||
|
|
primary key(id)) engine = InnoDB;
|
||
|
|
INSERT INTO t1 VALUES (8, 1, 3);
|
||
|
|
INSERT INTO t1 VALUES (1, 2, 1);
|
||
|
|
INSERT INTO t2 VALUES (1, 0, '');
|
||
|
|
INSERT INTO t2 VALUES (8, 1, '');
|
||
|
|
commit;
|
||
|
|
DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id)
|
||
|
|
WHERE mm.id IS NULL;
|
||
|
|
select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id)
|
||
|
|
where mm.id is null lock in share mode;
|
||
|
|
id f_id f
|
||
|
|
drop table t1,t2;
|
||
|
|
create table t1(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3);
|
||
|
|
commit;
|
||
|
|
set autocommit = 0;
|
||
|
|
select * from t1 lock in share mode;
|
||
|
|
a b
|
||
|
|
1 1
|
||
|
|
2 2
|
||
|
|
3 1
|
||
|
|
4 2
|
||
|
|
5 1
|
||
|
|
6 2
|
||
|
|
7 3
|
||
|
|
update t1 set b = 5 where b = 1;
|
||
|
|
set autocommit = 0;
|
||
|
|
select * from t1 where a = 2 and b = 2 for update;
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
commit;
|
||
|
|
commit;
|
||
|
|
drop table t1;
|
||
|
|
create table t1(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3);
|
||
|
|
commit;
|
||
|
|
set autocommit = 0;
|
||
|
|
update t1 set b = 5 where b = 1;
|
||
|
|
set autocommit = 0;
|
||
|
|
select * from t1 where a = 7 and b = 3 for update;
|
||
|
|
a b
|
||
|
|
7 3
|
||
|
|
commit;
|
||
|
|
commit;
|
||
|
|
drop table t1;
|
||
|
|
create table t1(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t1 values (1,2),(5,3),(4,2);
|
||
|
|
create table t2(d int not null, e int, primary key(d)) engine = InnoDB;
|
||
|
|
insert into t2 values (8,6),(12,1),(3,1);
|
||
|
|
commit;
|
||
|
|
set autocommit = 0;
|
||
|
|
select * from t2 for update;
|
||
|
|
d e
|
||
|
|
3 1
|
||
|
|
8 6
|
||
|
|
12 1
|
||
|
|
set autocommit = 0;
|
||
|
|
insert into t1 select * from t2;
|
||
|
|
update t1 set b = (select e from t2 where a = d);
|
||
|
|
create table t3(d int not null, e int, primary key(d)) engine = InnoDB
|
||
|
|
select * from t2;
|
||
|
|
commit;
|
||
|
|
commit;
|
||
|
|
drop table t1, t2, t3;
|
||
|
|
SET SESSION STORAGE_ENGINE = InnoDB;
|
||
|
|
SET SESSION STORAGE_ENGINE = InnoDB;
|
||
|
|
SET SESSION STORAGE_ENGINE = InnoDB;
|
||
|
|
create table t1(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t1 values (1,2),(5,3),(4,2);
|
||
|
|
create table t2(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t2 values (8,6),(12,1),(3,1);
|
||
|
|
create table t3(d int not null, b int, primary key(d)) engine = InnoDB;
|
||
|
|
insert into t3 values (8,6),(12,1),(3,1);
|
||
|
|
create table t5(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t5 values (1,2),(5,3),(4,2);
|
||
|
|
create table t6(d int not null, e int, primary key(d)) engine = InnoDB;
|
||
|
|
insert into t6 values (8,6),(12,1),(3,1);
|
||
|
|
create table t8(a int not null, b int, primary key(a)) engine = InnoDB;
|
||
|
|
insert into t8 values (1,2),(5,3),(4,2);
|
||
|
|
create table t9(d int not null, e int, primary key(d)) engine = InnoDB;
|
||
|
|
insert into t9 values (8,6),(12,1),(3,1);
|
||
|
|
commit;
|
||
|
|
set autocommit = 0;
|
||
|
|
select * from t2 for update;
|
||
|
|
a b
|
||
|
|
3 1
|
||
|
|
8 6
|
||
|
|
12 1
|
||
|
|
set autocommit = 0;
|
||
|
|
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
|
||
|
|
insert into t1 select * from t2;
|
||
|
|
set autocommit = 0;
|
||
|
|
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
|
||
|
|
update t3 set b = (select b from t2 where a = d);
|
||
|
|
set autocommit = 0;
|
||
|
|
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
|
||
|
|
create table t4(a int not null, b int, primary key(a)) select * from t2;
|
||
|
|
set autocommit = 0;
|
||
|
|
insert into t5 (select * from t2 lock in share mode);
|
||
|
|
set autocommit = 0;
|
||
|
|
update t6 set e = (select b from t2 where a = d lock in share mode);
|
||
|
|
set autocommit = 0;
|
||
|
|
create table t7(a int not null, b int, primary key(a)) select * from t2 lock in share mode;
|
||
|
|
set autocommit = 0;
|
||
|
|
insert into t8 (select * from t2 for update);
|
||
|
|
set autocommit = 0;
|
||
|
|
update t9 set e = (select b from t2 where a = d for update);
|
||
|
|
set autocommit = 0;
|
||
|
|
create table t10(a int not null, b int, primary key(a)) select * from t2 for update;
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||
|
|
commit;
|
||
|
|
drop table t1, t2, t3, t5, t6, t8, t9;
|