| Server IP : 172.67.216.182 / Your IP : 172.71.124.71 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/sys_vars/r/ |
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** Setup **
** Connecting con0 using root **
** Connecting con1 using root **
** Connection default **
SET @global_low_priority_updates = @@GLOBAL.low_priority_updates;
SET @session_low_priority_updates = @@SESSION.low_priority_updates;
CREATE TABLE t1 (a varchar(100));
create view v1 as select * from t1;
'#--------------------FN_DYNVARS_160_01-------------------------#'
** Connection con0 **
SET SESSION low_priority_updates = ON;
** Connection con1 **
SET SESSION low_priority_updates = ON;
** Connection default **
SET SESSION low_priority_updates = ON;
INSERT INTO t1 VALUES('1');
INSERT INTO t1 VALUES('2');
INSERT INTO t1 VALUES('3');
INSERT INTO t1 VALUES('4');
INSERT INTO t1 VALUES('5');
INSERT INTO t1 VALUES('6');
LOCK TABLE v1 WRITE;
** Connection con1 **
** Asynchronous Execution **
UPDATE t1 SET a = CONCAT(a,"-updated");|
** Connection con0 **
** Asynchronous Execution **
LOCK TABLE t1 READ;
SELECT * FROM t1;
UNLOCK TABLES;|
** Connection default **
UNLOCK TABLES;
** Connection con0 **
** Asynchronous Result **
a
1
2
3
4
5
6
Expected values of a without -updated;
** Connection default **
DELETE FROM t1;
'#--------------------FN_DYNVARS_160_02-------------------------#'
** Connection con0 **
SET SESSION low_priority_updates = OFF;
** Connection con1 **
SET SESSION low_priority_updates = OFF;
** Connection default**
SET SESSION low_priority_updates = OFF;
INSERT INTO t1 VALUES('1');
INSERT INTO t1 VALUES('2');
INSERT INTO t1 VALUES('3');
INSERT INTO t1 VALUES('4');
INSERT INTO t1 VALUES('5');
INSERT INTO t1 VALUES('6');
LOCK TABLE v1 WRITE;
** Connection con1 **
** Asynchronous Execution **
UPDATE t1 SET a = CONCAT(a,"-updated");|
** Connection con0 **
** Asynchronous Execution **
LOCK TABLE t1 READ;
SELECT * FROM t1;
UNLOCK TABLES;|
** Connection default **
UNLOCK TABLES;
** Connection con0 **
** Asynchronous Result **
a
1-updated
2-updated
3-updated
4-updated
5-updated
6-updated
Expected values of a with -updated;
** Connection default**
DELETE FROM t1;
'#--------------------FN_DYNVARS_160_03-------------------------#'
** Connecting con_int1 using root **
** Connection con_int1 **
SELECT @@SESSION.low_priority_updates;
@@SESSION.low_priority_updates
0
1 / TRUE Expected
SET SESSION low_priority_updates = FALSE;
** Connecting con_int2 using root **
** Connection con_int2 **
SELECT @@SESSION.low_priority_updates;
@@SESSION.low_priority_updates
0
1 / TRUE Expected
SET SESSION low_priority_updates = TRUE;
** Connection con_int1 **
SELECT @@SESSION.low_priority_updates;
@@SESSION.low_priority_updates
0
0 / FALSE Expected
** Connection con_int2 **
SELECT @@SESSION.low_priority_updates;
@@SESSION.low_priority_updates
1
1 / TRUE Expected
** Connection default **
Disconnecting Connections con_int1, con_int2
** Connection default **
Disconnecting Connections con0, con1
drop view v1;
DROP TABLE t1;
SET @@GLOBAL.low_priority_updates = @global_low_priority_updates;
SET @@SESSION.low_priority_updates = @session_low_priority_updates;