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MDEV-15990 versioning: don't allow changes in the past

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This commit is contained in:
Nikita Malyavin
2024-04-27 21:04:49 +02:00
parent e56f6c585e
commit db26bf7ada
3 changed files with 55 additions and 4 deletions
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24
mysql-test/suite/versioning/r/misc.result
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@@ -57,6 +57,30 @@ insert into t2 (a) values (now()),(now());
select * from t2 where a in (select row_start from t1);
a
drop table t1, t2;
# MDEV-30046 wrong row targeted with "insert ... on duplicate" and "replace"
# Don't allow changes from the past
create or replace table t1 (pk int primary key, i int) with system versioning;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING
set timestamp=12345;
insert t1(pk, i) values(1,3);
set timestamp=12344;
delete from t1;
select pk,i from t1 for system_time all;
pk i
set timestamp=12345;
insert t1(pk, i) values(1,3);
set timestamp=12344;
replace t1(pk, i) values(1,4);
select pk,i from t1 for system_time all;
pk i
1 4
drop table t1;
#
# End of 10.11 tests
#