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DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7;
create table t1 (x integer not null primary key, y varchar(32)) engine = ndb;
insert into t1 values (1,'one'), (2,'two');
select * from t1 order by x;
x y
1 one
2 two
select * from t1 order by x;
x y
1 one
2 two
start transaction;
insert into t1 values (3,'three');
select * from t1 order by x;
x y
1 one
2 two
3 three
start transaction;
select * from t1 order by x;
x y
1 one
2 two
commit;
select * from t1 order by x;
x y
1 one
2 two
3 three
commit;
drop table t1;
create table t1 (pk integer not null primary key, u int not null, o int not null,
unique(u), key(o)) engine = ndb;
insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5);
lock tables t1 write;
delete from t1 where pk = 1;
unlock tables;
select * from t1 order by pk;
pk u o
2 2 2
3 3 3
4 4 4
5 5 5
insert into t1 values (1,1,1);
lock tables t1 write;
delete from t1 where u = 1;
unlock tables;
select * from t1 order by pk;
pk u o
2 2 2
3 3 3
4 4 4
5 5 5
insert into t1 values (1,1,1);
lock tables t1 write;
delete from t1 where o = 1;
unlock tables;
select * from t1 order by pk;
pk u o
2 2 2
3 3 3
4 4 4
5 5 5
insert into t1 values (1,1,1);
drop table t1;
create table t1 (x integer not null primary key, y varchar(32), z integer, key(z)) engine = ndb;
insert into t1 values (1,'one',1), (2,'two',2),(3,"three",3);
begin;
select * from t1 where x = 1 for update;
x y z
1 one 1
begin;
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' order by x for update;
x y z
1 one 1
3 three 3
begin;
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where z > 1 and z < 3 for update;
x y z
2 two 2
begin;
select * from t1 where x = 1 for update;
x y z
1 one 1
select * from t1 where x = 2 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where x = 1 lock in share mode;
x y z
1 one 1
begin;
select * from t1 where x = 1 lock in share mode;
x y z
1 one 1
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' order by x lock in share mode;
x y z
1 one 1
3 three 3
begin;
select * from t1 where y = 'one' lock in share mode;
x y z
1 one 1
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where z > 1 and z < 3 lock in share mode;
x y z
2 two 2
begin;
select * from t1 where z = 1 lock in share mode;
x y z
1 one 1
select * from t1 where x = 1 for update;
x y z
1 one 1
select * from t1 where x = 2 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
drop table t1;
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