| Server IP : 172.67.216.182 / Your IP : 172.71.124.171 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/perfschema/r/ |
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CREATE USER user1@localhost; CREATE USER user2@localhost; CREATE USER user3@localhost; grant ALL on *.* to user1@localhost; grant ALL on *.* to user2@localhost; grant ALL on *.* to user3@localhost; SET GLOBAL show_compatibility_56=0; TRUNCATE TABLE performance_schema.accounts; FLUSH PRIVILEGES; CREATE TABLE test.t_range(a int, b int, PRIMARY KEY(a)); INSERT INTO test.t_range values (1, 1), (2,2), (3, 3), (4, 4), (5, 5); INSERT INTO test.t_range values (6, 6), (7,7), (8, 8), (9, 9), (10, 10); FLUSH STATUS; SELECT * from test.t_range where (a >= 3) AND (a <= 5); a b 3 3 4 4 5 5 SELECT * from performance_schema.session_status WHERE VARIABLE_NAME = 'Select_range'; VARIABLE_NAME VARIABLE_VALUE Select_range 1 VARIABLE_NAME DELTA Select_range 1 SELECT * from test.t_range where (a >= 3) AND (a <= 5); a b 3 3 4 4 5 5 SELECT * from performance_schema.session_status WHERE VARIABLE_NAME = 'Select_range'; VARIABLE_NAME VARIABLE_VALUE Select_range 1 VARIABLE_NAME DELTA Select_range 2 SELECT * from test.t_range where (a >= 3) AND (a <= 5); a b 3 3 4 4 5 5 SELECT * from test.t_range where (a >= 4) AND (a <= 6); a b 4 4 5 5 6 6 SELECT * from performance_schema.session_status WHERE VARIABLE_NAME = 'Select_range'; VARIABLE_NAME VARIABLE_VALUE Select_range 2 VARIABLE_NAME DELTA Select_range 4 SELECT * from test.t_range where (a >= 3) AND (a <= 5); a b 3 3 4 4 5 5 SELECT * from test.t_range where (a >= 4) AND (a <= 6); a b 4 4 5 5 6 6 SELECT * from test.t_range where (a >= 5) AND (a <= 7); a b 5 5 6 6 7 7 SELECT * from performance_schema.session_status WHERE VARIABLE_NAME = 'Select_range'; VARIABLE_NAME VARIABLE_VALUE Select_range 3 VARIABLE_NAME DELTA Select_range 7 VARIABLE_NAME DELTA Select_range 7 SELECT `USER`, `HOST`, VARIABLE_NAME, VARIABLE_VALUE FROM performance_schema.status_by_account WHERE VARIABLE_NAME = 'Select_range' AND `USER` LIKE 'user%' ORDER BY `USER`; USER HOST VARIABLE_NAME VARIABLE_VALUE user1 localhost Select_range 1 user2 localhost Select_range 2 user3 localhost Select_range 3 VARIABLE_NAME DELTA Select_range 7 TRUNCATE TABLE performance_schema.accounts; VARIABLE_NAME DELTA Select_range 7 VARIABLE_NAME DELTA Select_range 7 TRUNCATE TABLE performance_schema.accounts; VARIABLE_NAME DELTA Select_range 7 DROP TABLE test.t_range; REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost; REVOKE ALL PRIVILEGES, GRANT OPTION FROM user2@localhost; REVOKE ALL PRIVILEGES, GRANT OPTION FROM user3@localhost; DROP USER user1@localhost; DROP USER user2@localhost; DROP USER user3@localhost; SET GLOBAL show_compatibility_56=1; FLUSH PRIVILEGES;