mirror of
https://github.com/MariaDB/server.git
synced 2025-08-09 22:24:09 +03:00
39 lines
914 B
Plaintext
39 lines
914 B
Plaintext
create table t (a int) with system versioning;
|
|
insert into t values (1);
|
|
update t set a=2;
|
|
select * from t;
|
|
a
|
|
2
|
|
show variables where Variable_name like "temporal_current_timestamp%";
|
|
Variable_name Value
|
|
temporal_current_timestamp now
|
|
set global temporal_current_timestamp = '2031-1-1 0:0:0';
|
|
select * from t;
|
|
a
|
|
2
|
|
set global temporal_current_timestamp = '2011-1-1 0:0:0';
|
|
select * from t;
|
|
a
|
|
set global temporal_current_timestamp = 'all';
|
|
select * from t;
|
|
a
|
|
2
|
|
1
|
|
show variables where Variable_name like "temporal_current_timestamp%";
|
|
Variable_name Value
|
|
temporal_current_timestamp all
|
|
create view vt as select * from t;
|
|
select * from t;
|
|
a
|
|
2
|
|
1
|
|
drop view vt;
|
|
select * from (select * from t) as tt;
|
|
a
|
|
2
|
|
1
|
|
set session temporal_current_timestamp = 'now';
|
|
ERROR HY000: Variable 'temporal_current_timestamp' is a GLOBAL variable and should be set with SET GLOBAL
|
|
drop table t;
|
|
set global temporal_current_timestamp = 'now';
|