Server IP : 104.21.38.3 / Your IP : 172.69.176.88 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/ |
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drop table if exists t1; create table t1(a int primary key, b int, c int, unique(b)) engine = ndb; insert into t1 values (2,2,2); insert into t1 values (3,3,3); insert into t1 values (4,4,4); begin; insert into t1 values (1,1,1); begin; update t1 set c = 2 where b = 1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; rollback; drop table t1; create table t1(a int primary key, b int, c int, key(b)) engine = ndb; insert into t1 values (2,2,2); insert into t1 values (3,3,3); insert into t1 values (4,4,4); begin; insert into t1 values (1,1,1); begin; update t1 set c = 2 where b = 1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction rollback; rollback; drop table t1; --con1 create table t1(a int primary key, b int, c int, key(b)) engine = ndb; insert into t1 values (1,1,1); insert into t1 values (2,2,2); insert into t1 values (3,3,3); insert into t1 values (4,4,4); begin; update t1 set c = 10 where a = 1; update t1 set c = 20 where a = 1; update t1 set c = 30 where a = 1; --con1 c=30 select * from t1 where b >= 1 order by b; a b c 1 1 30 2 2 2 3 3 3 4 4 4 --con2 c=1 select * from t1 where b >= 1 order by b; a b c 1 1 1 2 2 2 3 3 3 4 4 4 --con1 delete from t1 where a = 1; --con1 c=none select * from t1 where b >= 1 order by b; a b c 2 2 2 3 3 3 4 4 4 --con2 c=1 select * from t1 where b >= 1 order by b; a b c 1 1 1 2 2 2 3 3 3 4 4 4 --con1 commit; --con1 c=none select * from t1 where b >= 1 order by b; a b c 2 2 2 3 3 3 4 4 4 --con2 c=none select * from t1 where b >= 1 order by b; a b c 2 2 2 3 3 3 4 4 4 --con1 begin; insert into t1 values (1,1,1); update t1 set c = 10 where a = 1; update t1 set c = 20 where a = 1; update t1 set c = 30 where a = 1; --con1 c=30 select * from t1 where b >= 1 order by b; a b c 1 1 30 2 2 2 3 3 3 4 4 4 --con2 c=none select * from t1 where b >= 1 order by b; a b c 2 2 2 3 3 3 4 4 4 drop table t1;