| Server IP : 104.21.38.3 / Your IP : 162.158.170.123 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/innodb/r/ |
Upload File : |
drop table if exists t1; set binlog_format=mixed; set session transaction isolation level repeatable read; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; insert into t1 values (1),(2),(3),(4),(5),(6),(7); set autocommit=0; select * from t1 where a=3 lock in share mode; a 3 set binlog_format=mixed; set session transaction isolation level repeatable read; set autocommit=0; update t1 set a=10 where a=5; ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; commit; set session transaction isolation level read committed; update t1 set a=10 where a=5; select * from t1 where a=2 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction select * from t1 where a=2 limit 1 for update; a 2 update t1 set a=11 where a=6; update t1 set a=12 where a=2; ERROR HY000: Lock wait timeout exceeded; try restarting transaction update t1 set a=13 where a=1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; update t1 set a=14 where a=1; commit; select * from t1; a 14 2 3 4 10 11 7 drop table t1; create table t1 (a int, b int) engine=myisam; create table t2 (c int, d int, key (c)) engine=innodb; insert into t1 values (1,1); insert into t2 values (1,2); set session transaction isolation level read committed; delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1); drop table t1, t2;