mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
WL#1012: All changes as one single changeset.
This includes both code and test cases.
This commit is contained in:
lars@mysql.com
621
mysql-test/r/innodb_concurrent.result
Normal file
621
mysql-test/r/innodb_concurrent.result
Normal file
@ -0,0 +1,621 @@
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drop table if exists t1;
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Warnings:
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Note 1051 Unknown table 't1'
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create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
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Warnings:
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Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
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insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
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insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
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insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
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insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
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insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
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insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
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insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
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insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
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insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
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insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
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insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
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select get_lock("hello",1);
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get_lock("hello",1)
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1
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begin;
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update t1 set eta=1+get_lock("hello",1)*0 where tipo=11;
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begin;
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update t1 set eta=2 where tipo=22;
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select release_lock("hello");
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release_lock("hello")
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1
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select * from t1;
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eta tipo c
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7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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10 1 ccccccccccccccccccccccccccccccccccccccccccc
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20 2 ddddddddddddddddddddddddddddddddddddddddddd
|
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30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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||||
40 2 fffffffffffffffffffffffffffffffffffffffffff
|
||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
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60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
|
||||
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
|
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90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
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select * from t1;
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eta tipo c
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7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
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8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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10 1 ccccccccccccccccccccccccccccccccccccccccccc
|
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20 2 ddddddddddddddddddddddddddddddddddddddddddd
|
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30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
|
||||
40 2 fffffffffffffffffffffffffffffffffffffffffff
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||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
|
||||
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
|
||||
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
|
||||
1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
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commit;
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select * from t1;
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eta tipo c
|
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7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
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10 1 ccccccccccccccccccccccccccccccccccccccccccc
|
||||
20 2 ddddddddddddddddddddddddddddddddddddddddddd
|
||||
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
|
||||
40 2 fffffffffffffffffffffffffffffffffffffffffff
|
||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
|
||||
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
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||||
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
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90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
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commit;
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select * from t1;
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eta tipo c
|
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7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
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8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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10 1 ccccccccccccccccccccccccccccccccccccccccccc
|
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20 2 ddddddddddddddddddddddddddddddddddddddddddd
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||||
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
|
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40 2 fffffffffffffffffffffffffffffffffffffffffff
|
||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
|
||||
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
|
||||
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
|
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1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
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select * from t1;
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eta tipo c
|
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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
|
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select * from t1;
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eta tipo c
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7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
||||
10 1 ccccccccccccccccccccccccccccccccccccccccccc
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||||
20 2 ddddddddddddddddddddddddddddddddddddddddddd
|
||||
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
|
||||
40 2 fffffffffffffffffffffffffffffffffffffffffff
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||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
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||||
60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
|
||||
2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
|
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1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
|
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drop table t1;
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create table t1(eta int(11) not null, tipo int(11), c varchar(255)) type=innodb;
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Warnings:
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Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead
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insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
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||||
insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
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insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc");
|
||||
insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd");
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||||
insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
|
||||
insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff");
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insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg");
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||||
insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
|
||||
insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii");
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||||
insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj");
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insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
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select get_lock("hello",10);
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get_lock("hello",10)
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||||
0
|
||||
begin;
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update t1 set eta=1+get_lock("hello",10)*0 where tipo=1;
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||||
begin;
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update t1 set tipo=1 where tipo=2;
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select release_lock("hello");
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release_lock("hello")
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0
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select * from t1;
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eta tipo c
|
||||
7 7 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||||
8 8 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
||||
10 1 ccccccccccccccccccccccccccccccccccccccccccc
|
||||
20 1 ddddddddddddddddddddddddddddddddddddddddddd
|
||||
30 1 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
|
||||
40 1 fffffffffffffffffffffffffffffffffffffffffff
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||||
50 1 ggggggggggggggggggggggggggggggggggggggggggg
|
||||
60 1 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
|
||||
70 1 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
|
||||
80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
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||||
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 New Issue
Block a user