diff options
Diffstat (limited to 'mysql-test/main/concurrent_innodb_safelog.result')
| -rw-r--r-- | mysql-test/main/concurrent_innodb_safelog.result | 800 |
1 files changed, 800 insertions, 0 deletions
diff --git a/mysql-test/main/concurrent_innodb_safelog.result b/mysql-test/main/concurrent_innodb_safelog.result new file mode 100644 index 00000000000..27889777ac1 --- /dev/null +++ b/mysql-test/main/concurrent_innodb_safelog.result @@ -0,0 +1,800 @@ +SET GLOBAL TRANSACTION ISOLATION LEVEL REPEATABLE READ; +connection default; +SET SQL_MODE=""; +SELECT @@global.tx_isolation; +@@global.tx_isolation +REPEATABLE-READ +SELECT @@global.innodb_locks_unsafe_for_binlog; +@@global.innodb_locks_unsafe_for_binlog +0 +# keep_locks == 1 +GRANT USAGE ON test.* TO mysqltest@localhost; +drop table if exists t1; + +** +** two UPDATE's running and both changing distinct result sets +** +connect thread1, localhost, mysqltest,,; +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +** Get user level lock (ULL) for thread 1 +select get_lock("hello",10); +get_lock("hello",10) +1 +connect thread2, localhost, mysqltest,,; +connection thread2; +** Start transaction for thread 2 +begin; +** Update will cause a table scan and a new ULL will +** be created and blocked on the first row where tipo=11. +update t1 set eta=1+get_lock("hello",10)*0 where tipo=11; +connection thread1; +** Start new transaction for thread 1 +begin; +** Update on t1 will cause a table scan which will be blocked because +** the previously initiated table scan applied exclusive key locks on +** all primary keys. +** Not so if innodb_locks_unsafe_for_binlog is set. The locks that +** do not match the WHERE condition are released. +update t1 set eta=2 where tipo=22; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +** Release user level name lock from thread 1. This will cause the ULL +** on thread 2 to end its wait. +DO release_lock("hello"); +** Table is now updated with a new eta on tipo=22 for thread 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 +80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj +90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk +connection thread2; +** Release the lock and collect result from update on thread 2 +DO release_lock("hello"); +** Table should have eta updates where tipo=11 but updates made by +** thread 1 shouldn't be visible yet. +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 +** Sending commit on thread 2. +commit; +connection thread1; +** Make sure table reads didn't change yet on thread 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 +80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj +90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk +** And send final commit on thread 1. +commit; +** Table should now be updated by both updates in the order of +** thread 1,2. +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 +connection thread2; +** Make sure the output is similar for t1. +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 +connection thread1; +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 +connection default; +drop table t1; + +** +** two UPDATE's running and one changing result set +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +** Get ULL "hello" on thread 1 +select get_lock("hello",10); +get_lock("hello",10) +1 +connection thread2; +** Start transaction on thread 2 +begin; +** Update will cause a table scan. +** This will cause a hang on the first row where tipo=1 until the +** blocking ULL is released. +update t1 set eta=1+get_lock("hello",10)*0 where tipo=1; +connection thread1; +** Start transaction on thread 1 +begin; +** Update on t1 will cause a table scan which will be blocked because +** the previously initiated table scan applied exclusive key locks on +** all primary keys. +** Not so if innodb_locks_unsafe_for_binlog is set. The locks that +** do not match the WHERE condition are released. +update t1 set tipo=1 where tipo=2; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +** Release ULL. This will release the next waiting ULL on thread 2. +DO release_lock("hello"); +** The table should still be updated with updates for thread 1 only: +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 +connection thread2; +** Release the lock and collect result from thread 2: +DO release_lock("hello"); +** Seen from thread 2 the table should have been updated on four +** places. +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; +connection thread1; +** Thread 2 has committed but the result should remain the same for +** thread 1 (updated on three places): +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; +** After a commit the table should be merged with the previous +** commit. +** This select should show both updates: +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 +connection thread2; +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 +connection thread1; +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 +connection default; +drop table t1; + +** +** One UPDATE and one INSERT .... Monty's test +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1 (a int not null, b int not null); +insert into t1 values (1,1),(2,1),(3,1),(4,1); +** Create ULL 'hello2' +select get_lock("hello2",10); +get_lock("hello2",10) +1 +connection thread2; +** Begin a new transaction on thread 2 +begin; +** Update will create a table scan which creates a ULL where a=2; +** this will hang waiting on thread 1. +update t1 set b=10+get_lock(concat("hello",a),10)*0 where a=2; +connection thread1; +** Insert new values to t1 from thread 1; this created an implicit +** commit since there are no on-going transactions. +insert into t1 values (1,1); +** Release the ULL (thread 2 updates will finish). +DO release_lock("hello2"); +** ..but thread 1 will still see t1 as if nothing has happend: +select * from t1; +a b +1 1 +2 1 +3 1 +4 1 +1 1 +connection thread2; +** Collect results from thread 2 and release the lock. +DO release_lock("hello2"); +** The table should look like the original+updates for thread 2, +** and consist of new rows: +select * from t1; +a b +1 1 +2 10 +3 1 +4 1 +1 1 +** Commit changes from thread 2 +commit; +connection default; +drop table t1; + +** +** one UPDATE changing result set and SELECT ... FOR UPDATE +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +connection thread2; +** Begin a new transaction on thread 2 +begin; +** Select a range for update. +select * from t1 where tipo=2 FOR UPDATE; +eta tipo c +20 2 ddddddddddddddddddddddddddddddddddddddddddd +40 2 fffffffffffffffffffffffffffffffffffffffffff +60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh +connection thread1; +** Begin a new transaction on thread 1 +begin; +** Update the same range which is marked for update on thread 2; this +** will hang because of row locks. +update t1 set tipo=1 where tipo=2; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +** After the update the table will be unmodified because the previous +** transaction failed and was rolled back. +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 +connection thread2; +** The table should look unmodified from thread 2. +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 +** Sending a commit should release the row locks and enable +** thread 1 to complete the transaction. +commit; +connection thread1; +** Commit on thread 1. +commit; +connection thread2; +** The table should not have been changed. +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 +connection thread1; +** Even on thread 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 +80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj +90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk +connection default; +drop table t1; + +** +** one UPDATE not changing result set and SELECT ... FOR UPDATE +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +connection thread2; +** Starting new transaction on thread 2. +begin; +** Starting SELECT .. FOR UPDATE +select * from t1 where tipo=2 FOR UPDATE; +eta tipo c +20 2 ddddddddddddddddddddddddddddddddddddddddddd +40 2 fffffffffffffffffffffffffffffffffffffffffff +60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh +connection thread1; + +** Starting new transaction on thread 1 +begin; +** Updating single row using a table scan. This will time out +** because of ongoing transaction on thread 1 holding lock on +** all primary keys in the scan. +** Not so if innodb_locks_unsafe_for_binlog is set. The locks that +** do not match the WHERE condition are released. +update t1 set tipo=11 where tipo=22; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +** After the time out the transaction is aborted; no rows should +** have changed. +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 +connection thread2; +** The same thing should hold true for the transaction on +** thread 2 +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; +connection thread1; +commit; +connection thread2; +** Even after committing: +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 +connection thread1; +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 +connection default; +drop table t1; + +** +** two SELECT ... FOR UPDATE +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +connection thread2; +** Begin a new transaction on thread 2 +begin; +select * from t1 where tipo=2 FOR UPDATE; +eta tipo c +20 2 ddddddddddddddddddddddddddddddddddddddddddd +40 2 fffffffffffffffffffffffffffffffffffffffffff +60 2 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh +connection thread1; +** Begin a new transaction on thread 1 +begin; +** Selecting a range for update by table scan will be blocked +** because of on-going transaction on thread 2. +select * from t1 where tipo=1 FOR UPDATE; +ERROR HY000: Lock wait timeout exceeded; try restarting transaction +connection thread2; +** Table will be unchanged and the select command will not be +** blocked: +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 transacton on thread 2. +commit; +connection thread1; +** Commit transaction on thread 1. +commit; +connection thread2; +** Make sure table isn't blocked on thread 2: +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 +connection thread1; +** Make sure table isn't blocked on thread 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 +80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj +90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk +connection default; +drop table t1; + +** +** one UPDATE changing result set and DELETE +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +connection thread2; +begin; +delete from t1 where tipo=2; +connection thread1; +begin; +update t1 set tipo=1 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 +connection thread2; +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; +connection thread1; +commit; +connection thread2; +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 +connection thread1; +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 +connection default; +drop table t1; + +** +** one UPDATE not changing result set and DELETE +** +connection thread1; +** Set up table +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +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"); +connection thread2; +begin; +delete from t1 where tipo=2; +connection thread1; +begin; +** Update on t1 will cause a table scan which will be blocked because +** the previously initiated table scan applied exclusive key locks on +** all primary keys. +** Not so if innodb_locks_unsafe_for_binlog is set. The locks that +** do not match the WHERE condition are released. +update t1 set tipo=1 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 +connection thread2; +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; +connection thread1; +commit; +connection thread2; +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 +connection thread1; +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 +** Cleanup +connection thread1; +disconnect thread1; +connection thread2; +disconnect thread2; +connection default; +drop table t1; +drop user mysqltest@localhost; +SET SQL_MODE=default; |