Server IP : 104.21.38.3 / Your IP : 172.69.176.123 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/t/ |
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--source include/have_innodb.inc --source include/have_debug.inc create table t1 ( rowid int, f1 int, f2 int, key i1 (f1, f2), key i2 (f2)) engine=innodb; show create table t1; insert into `t1` (rowid, f1, f2) values (1, 1, 10), (2, 1, NULL); connect (a,localhost,root,,); connect (b,localhost,root,,); connection a; start transaction with consistent snapshot; connection b; start transaction; update t1 set f2 = 4 where f1 = 1 and f2 is null; -- echo (b) Number of rows updated: select row_count(); insert into t1 values (3, 1, null); -- echo (b) After update and insert query. select rowid, f1, f2 from t1; commit; connection a; -- echo (a) Before the update statement is executed. select rowid, f1, f2 from t1; SET SESSION debug="+d,bug14007649"; update t1 set f2 = 6 where f1 = 1 and f2 is null; -- echo (a) Number of rows updated: select row_count(); -- echo (a) After the update statement is executed. select rowid, f1, f2 from t1; commit; --echo "The trx with consistent snapshot ended." select rowid, f1, f2 from t1; connection default; disconnect a; disconnect b; drop table t1;