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MDEV-24690 Dropping primary key column from versioned table always fails with 1072

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Exclude system-invisible key-parts from MDEV-11114 (04b288ae)
restriction.
This commit is contained in:
Aleksey Midenkov
2021-02-05 01:52:21 +03:00
parent b9d1c6574b
commit af52a0e516
3 changed files with 75 additions and 1 deletions
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42
mysql-test/suite/versioning/r/alter.result
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@@ -693,3 +693,45 @@ delete from t1;
set statement system_versioning_alter_history=keep for
alter table t1 drop system versioning, modify column a tinyint;
drop table t1;
#
# MDEV-24690 Dropping primary key column from versioned table always fails with 1072
#
create table t1 (a int, b int primary key) with system versioning;
alter table t1 drop column b;
create or replace table t1 (
a int, b int primary key,
row_start timestamp(6) as row start,
row_end timestamp(6) as row end,
period for system_time(row_start, row_end)
) with system versioning;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) NOT NULL,
`row_start` timestamp(6) GENERATED ALWAYS AS ROW START,
`row_end` timestamp(6) GENERATED ALWAYS AS ROW END,
PRIMARY KEY (`b`,`row_end`),
PERIOD FOR SYSTEM_TIME (`row_start`, `row_end`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
alter table t1 drop column b;
ERROR 42000: Key column 'b' doesn't exist in table
create or replace table t1 (
a int, b int primary key,
row_start timestamp(6) as row start invisible,
row_end timestamp(6) as row end invisible,
period for system_time(row_start, row_end)
) with system versioning;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) NOT NULL,
`row_start` timestamp(6) GENERATED ALWAYS AS ROW START INVISIBLE,
`row_end` timestamp(6) GENERATED ALWAYS AS ROW END INVISIBLE,
PRIMARY KEY (`b`,`row_end`),
PERIOD FOR SYSTEM_TIME (`row_start`, `row_end`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
alter table t1 drop column b;
ERROR 42000: Key column 'b' doesn't exist in table
drop table t1;