Server IP : 172.67.216.182 / Your IP : 172.70.208.151 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/ |
Upload File : |
# # Testcase for InnoDB # Bug#42419 Server crash with "Pure virtual method called" on two concurrent connections # --source include/not_embedded.inc --source include/have_innodb.inc let $innodb_lock_wait_timeout= query_get_value(SHOW VARIABLES LIKE 'innodb_lock_wait_timeout%', Value, 1); if ($innodb_lock_wait_timeout < 10) { --echo # innodb_lock_wait_timeout must be >= 10 seconds --echo # so that this test can work all time fine on an overloaded testing box SHOW VARIABLES LIKE 'innodb_lock_wait_timeout'; exit; } # Save the initial number of concurrent sessions --source include/count_sessions.inc # First session connection default; --enable_warnings CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b INT) ENGINE = InnoDB; INSERT INTO t1 VALUES (1,1),(2,2),(3,3); COMMIT; SET AUTOCOMMIT = 0; CREATE TEMPORARY TABLE t1_tmp ( b INT ); INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 3; INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 2; # Second session connect (user2,localhost,root,,,$MASTER_MYPORT,$MASTER_MYSOCK); SET AUTOCOMMIT = 0; CREATE TEMPORARY TABLE t2_tmp ( a int, new_a int ); INSERT INTO t2_tmp VALUES (1,51),(2,52),(3,53); UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 1; send UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 2; # The last update will wait for a lock held by the first session # First session connection default; # Poll till the UPDATE of the second session waits for lock let $show_statement= SHOW PROCESSLIST; let $field= State; let $condition= = 'Updating'; --source include/wait_show_condition.inc # If the testing box is overloadeded and innodb_lock_wait_timeout is too small # we might get here ER_LOCK_WAIT_TIMEOUT. --error ER_LOCK_DEADLOCK INSERT INTO t1_tmp (b) SELECT b FROM t1 WHERE a = 1; # Second session connection user2; --echo Reap the server message for connection user2 UPDATE t1 ... reap; # The server crashed when executing this UPDATE or the succeeding SQL command. UPDATE t1 SET a = (SELECT new_a FROM t2_tmp WHERE t2_tmp.a = t1.a) WHERE a = 3; connection default; disconnect user2; DROP TABLE t1; # Wait till all disconnects are completed --source include/wait_until_count_sessions.inc