| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/suite/versioning/r/ |
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create table t ( a int, b int without system versioning ) with system versioning; insert into t values(1, 2); insert into t values(3, 4); select * from t; a b 1 2 3 4 select a from t for system_time as of timestamp now(6); a 1 3 select a, b, b+0 from t for system_time as of timestamp now(6); a b b+0 1 2 2 3 4 4 select * from t for system_time as of timestamp now(6); a b 1 2 3 4 select count(*) from t for system_time as of timestamp now(6) group by b; count(*) 1 1 select * from t for system_time as of timestamp now(6) order by b asc; a b 1 2 3 4 select * from t for system_time as of timestamp now(6) order by b desc; a b 3 4 1 2 select * from t for system_time as of timestamp now(6) group by a having a=2; a b select * from t for system_time as of timestamp now(6) group by b having b=2; a b 1 2 select a from t for system_time as of timestamp now(6) where b=2; a 1 select a from t for system_time as of timestamp now(6) where b=NULL; a select a from t for system_time as of timestamp now(6) where b is NULL; a select count(*), b from t for system_time as of timestamp now(6) group by b having b=NULL; count(*) b select a, b from t; a b 1 2 3 4 create or replace table t ( a int, b int not null without system versioning ) with system versioning; insert into t values (1, 2), (3, 4); select * from t for system_time as of timestamp now(6); a b 1 2 3 4 select * from t for system_time as of timestamp now(6) where b is NULL; a b create or replace table t (x int with system versioning, y int); select column_name, extra from information_schema.columns where table_name='t'; column_name extra x y WITHOUT SYSTEM VERSIONING show create table t; Table Create Table t CREATE TABLE `t` ( `x` int(11) DEFAULT NULL, `y` int(11) DEFAULT NULL WITHOUT SYSTEM VERSIONING ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING drop table t;