Server IP : 172.67.216.182 / Your IP : 172.70.143.166 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/ndb/r/ |
Upload File : |
DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7; create table t1 (x integer not null primary key, y varchar(32)) engine = ndb; insert into t1 values (1,'one'), (2,'two'); select * from t1 order by x; x y 1 one 2 two select * from t1 order by x; x y 1 one 2 two start transaction; insert into t1 values (3,'three'); select * from t1 order by x; x y 1 one 2 two 3 three start transaction; select * from t1 order by x; x y 1 one 2 two commit; select * from t1 order by x; x y 1 one 2 two 3 three commit; drop table t1; create table t1 (pk integer not null primary key, u int not null, o int not null, unique(u), key(o)) engine = ndb; insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5); lock tables t1 write; delete from t1 where pk = 1; unlock tables; select * from t1 order by pk; pk u o 2 2 2 3 3 3 4 4 4 5 5 5 insert into t1 values (1,1,1); lock tables t1 write; delete from t1 where u = 1; unlock tables; select * from t1 order by pk; pk u o 2 2 2 3 3 3 4 4 4 5 5 5 insert into t1 values (1,1,1); lock tables t1 write; delete from t1 where o = 1; unlock tables; select * from t1 order by pk; pk u o 2 2 2 3 3 3 4 4 4 5 5 5 insert into t1 values (1,1,1); drop table t1; create table t1 (x integer not null primary key, y varchar(32), z integer, key(z)) engine = ndb; insert into t1 values (1,'one',1); begin; select * from t1 where x = 1 for update; x y z 1 one 1 begin; select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; rollback; insert into t1 values (2,'two',2),(3,"three",3); begin; select * from t1 where x = 1 for update; x y z 1 one 1 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction select * from t1 where x = 2 for update; x y z 2 two 2 rollback; commit; begin; select * from t1 where y = 'one' or y = 'three' for update; x y z # # # # # # begin; select * from t1 where x = 2 for update; x y z 2 two 2 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; begin; select * from t1 where y = 'one' or y = 'three' order by x for update; x y z 1 one 1 3 three 3 begin; select * from t1 where x = 2 for update; x y z 2 two 2 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; begin; select * from t1 where z > 1 and z < 3 for update; x y z 2 two 2 begin; select * from t1 where x = 1 for update; x y z 1 one 1 select * from t1 where x = 2 for update; Got one of the listed errors rollback; commit; begin; select * from t1 where x = 1 lock in share mode; x y z 1 one 1 begin; select * from t1 where x = 1 lock in share mode; x y z 1 one 1 select * from t1 where x = 2 for update; x y z 2 two 2 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; begin; select * from t1 where y = 'one' or y = 'three' lock in share mode; x y z # # # # # # begin; select * from t1 where y = 'one' lock in share mode; x y z 1 one 1 select * from t1 where x = 2 for update; x y z 2 two 2 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; begin; select * from t1 where y = 'one' or y = 'three' order by x lock in share mode; x y z 1 one 1 3 three 3 begin; select * from t1 where y = 'one' lock in share mode; x y z 1 one 1 select * from t1 where x = 2 for update; x y z 2 two 2 select * from t1 where x = 1 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; begin; select * from t1 where z > 1 and z < 3 lock in share mode; x y z 2 two 2 begin; select * from t1 where z = 1 lock in share mode; x y z 1 one 1 select * from t1 where x = 1 for update; x y z 1 one 1 select * from t1 where x = 2 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; commit; drop table t1; create table t3 (id2 int) engine=ndb; lock tables t3 write; unlock tables; drop table t3; create table t2 (id int, j int) engine=ndb; insert into t2 values (2, 2); create table t3 (id int) engine=ndb; lock tables t3 read; delete t2 from t2, t3 where t2.id = t3.id; unlock tables; drop table t2, t3;