| Server IP : 185.86.78.101 / Your IP : 216.73.216.213 Web Server : Apache System : Linux 675867-vds-valikoshka1996.gmhost.pp.ua 5.4.0-150-generic #167-Ubuntu SMP Mon May 15 17:35:05 UTC 2023 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 : OFF Directory : /www/server/mysql/mysql-test/r/ |
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create user test_nopw;
grant select on test.* to test_nopw;
create user test_newpw identified by "newpw";
grant select on test.* to test_newpw;
select user(), current_user(), database();
user() current_user() database()
root@localhost root@localhost test
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<root@localhost> <root@localhost> test
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<test_nopw@localhost> <test_nopw@%> NULL
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<test_newpw@localhost> <test_newpw@%> NULL
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<root@localhost> <root@localhost> NULL
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<test_nopw@localhost> <test_nopw@%> test
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<test_newpw@localhost> <test_newpw@%> test
select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
concat('<', user(), '>') concat('<', current_user(), '>') database()
<root@localhost> <root@localhost> test
drop user test_nopw;
drop user test_newpw;
Bug#20023
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
SELECT @@global.max_join_size;
@@global.max_join_size
HA_POS_ERROR
change_user
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
SELECT @@global.max_join_size;
@@global.max_join_size
HA_POS_ERROR
SET @@global.max_join_size = 10000;
SET @@session.max_join_size = default;
change_user
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
0
SET @@global.max_join_size = 18446744073709551615;
SET @@session.max_join_size = default;
change_user
SELECT @@session.sql_big_selects;
@@session.sql_big_selects
1
SET INSERT_ID=12;
SELECT @@INSERT_ID;
@@INSERT_ID
12
SET TIMESTAMP=200;
SELECT @@TIMESTAMP;
@@TIMESTAMP
200.000000
change_user
SELECT @@INSERT_ID;
@@INSERT_ID
0
SELECT @@TIMESTAMP=200;
@@TIMESTAMP=200
0
Bug#31418
SELECT IS_FREE_LOCK('bug31418');
IS_FREE_LOCK('bug31418')
1
SELECT IS_USED_LOCK('bug31418');
IS_USED_LOCK('bug31418')
NULL
SELECT GET_LOCK('bug31418', 1);
GET_LOCK('bug31418', 1)
1
SELECT IS_USED_LOCK('bug31418') = CONNECTION_ID();
IS_USED_LOCK('bug31418') = CONNECTION_ID()
1
change_user
SELECT IS_FREE_LOCK('bug31418');
IS_FREE_LOCK('bug31418')
1
SELECT IS_USED_LOCK('bug31418');
IS_USED_LOCK('bug31418')
NULL
FLUSH STATUS;
Value of com_select did not change