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mariadb/mysql-test/r/innodb_concurrent.result

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WL#1012: All changes as one single changeset. This includes both code and test cases.
2005-12-22 06:39:02 +01:00
drop table if exists t1;
Warnings:
Note 1051 Unknown table 't1'
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",1);
get_lock("hello",1)
1
begin;
update t1 set eta=1+get_lock("hello",1)*0 where tipo=11;
begin;
update t1 set eta=2 where tipo=22;
select release_lock("hello");
release_lock("hello")
1
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
0
begin;
update t1 set eta=1+get_lock("hello",10)*0 where tipo=1;
begin;
update t1 set tipo=1 where tipo=2;
select release_lock("hello");
release_lock("hello")
0
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 1 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 1 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
1 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
1 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
1 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
1 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 1 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 1 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 1 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 1 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
1 1 ccccccccccccccccccccccccccccccccccccccccccc
20 1 ddddddddddddddddddddddddddddddddddddddddddd
1 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 1 fffffffffffffffffffffffffffffffffffffffffff
1 1 ggggggggggggggggggggggggggggggggggggggggggg
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
1 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
1 1 ccccccccccccccccccccccccccccccccccccccccccc
20 1 ddddddddddddddddddddddddddddddddddddddddddd
1 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 1 fffffffffffffffffffffffffffffffffffffffffff
1 1 ggggggggggggggggggggggggggggggggggggggggggg
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
1 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1 (a int not null, b int not null) engine=innodb;
insert into t1 values (1,1),(2,1),(3,1),(4,1);
select get_lock("hello2",1000);
get_lock("hello2",1000)
1
begin;
update t1 set b=10+get_lock(concat("hello",a),1000)*0 where
a=2;
insert into t1 values (1,1);
select release_lock("hello2");
release_lock("hello2")
1
select * from t1;
a b
1 1
2 1
3 1
4 1
1 1
select * from t1;
a b
1 1
2 10
3 1
4 1
1 1
commit;
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
1
begin;
select * from t1 where tipo=2 FOR UPDATE;
begin;
select release_lock("hello");
release_lock("hello")
1
update t1 set tipo=1+get_lock("hello",10)*0 where tipo=2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
eta tipo c
20 2 ddddddddddddddddddddddddddddddddddddddddddd
40 2 fffffffffffffffffffffffffffffffffffffffffff
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
1
begin;
select * from t1 where tipo=2 FOR UPDATE;
begin;
select release_lock("hello");
release_lock("hello")
1
update t1 set tipo=11+get_lock("hello",10)*0 where tipo=22;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
eta tipo c
20 2 ddddddddddddddddddddddddddddddddddddddddddd
40 2 fffffffffffffffffffffffffffffffffffffffffff
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
1
begin;
select * from t1 where tipo=2 FOR UPDATE;
begin;
select release_lock("hello");
release_lock("hello")
1
select * from t1 where tipo=1 FOR UPDATE;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
eta tipo c
20 2 ddddddddddddddddddddddddddddddddddddddddddd
40 2 fffffffffffffffffffffffffffffffffffffffffff
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
1
begin;
delete from t1 where tipo=2;
begin;
select release_lock("hello");
release_lock("hello")
1
update t1 set tipo=1+get_lock("hello",10)*0 where tipo=2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
Warnings:
Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
select get_lock("hello",10);
get_lock("hello",10)
1
begin;
delete from t1 where tipo=2;
begin;
select release_lock("hello");
release_lock("hello")
1
update t1 set tipo=1+get_lock("hello",10)*0 where tipo=22;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
20 2 ddddddddddddddddddddddddddddddddddddddddddd
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
40 2 fffffffffffffffffffffffffffffffffffffffffff
50 1 ggggggggggggggggggggggggggggggggggggggggggg
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 1 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
commit;
commit;
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 1 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
select * from t1;
eta tipo c
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
10 1 ccccccccccccccccccccccccccccccccccccccccccc
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
50 1 ggggggggggggggggggggggggggggggggggggggggggg
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
80 1 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
drop table t1;
Reference in a new issue Copy permalink