mirror of
https://github.com/MariaDB/server.git
synced 2025-01-31 02:51:44 +01:00
a544f920e3
and the system_versioning_transaction_registry variable. The user enables transaction registry by specifying BIGINT for row_start/row_end columns. check mysql.transaction_registry structure on the first open, not on startup. Avoid warnings unless transaction_registry is actually used.
49 lines
1.1 KiB
Text
49 lines
1.1 KiB
Text
create table t (a int) with system versioning;
|
|
insert into t values (1);
|
|
update t set a=2;
|
|
insert into t values (3);
|
|
# shutdown server
|
|
# remove datadir
|
|
# xtrabackup move back
|
|
# restart server
|
|
show create table t;
|
|
Table Create Table
|
|
t CREATE TABLE `t` (
|
|
`a` int(11) DEFAULT NULL
|
|
) ENGINE=INNODB_OR_MYISAM DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
|
|
select * from t;
|
|
a
|
|
2
|
|
select a from t for system_time all;
|
|
a
|
|
2
|
|
1
|
|
create or replace table t (
|
|
a int,
|
|
s bigint unsigned as row start invisible,
|
|
e bigint unsigned as row end invisible,
|
|
period for system_time(s, e)
|
|
) with system versioning engine=innodb;
|
|
insert into t values (1);
|
|
update t set a=2;
|
|
insert into t values (3);
|
|
# shutdown server
|
|
# remove datadir
|
|
# xtrabackup move back
|
|
# restart server
|
|
show create table t;
|
|
Table Create Table
|
|
t CREATE TABLE `t` (
|
|
`a` int(11) DEFAULT NULL,
|
|
`s` bigint(20) unsigned GENERATED ALWAYS AS ROW START INVISIBLE,
|
|
`e` bigint(20) unsigned GENERATED ALWAYS AS ROW END INVISIBLE,
|
|
PERIOD FOR SYSTEM_TIME (`s`, `e`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
|
|
select * from t;
|
|
a
|
|
2
|
|
select a from t for system_time all;
|
|
a
|
|
2
|
|
1
|
|
drop table t;
|