1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
--source include/have_innodb.inc
set default_storage_engine=innodb;
--echo #
--echo # MDEV-18295 IMPORT TABLESPACE fails with instant-altered tables
--echo #
create table t2 (x int, z int default 41);
alter table t2 discard tablespace;
create table t1 (x int);
insert into t1 values (1);
alter table t1 add z int default 42, algorithm instant;
select * from t1;
flush tables t1 for export;
--let $MYSQLD_DATADIR= `select @@datadir`
--move_file $MYSQLD_DATADIR/test/t1.cfg $MYSQLD_DATADIR/test/t2.cfg
--copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_DATADIR/test/t2.ibd
unlock tables;
--echo # The metadata has to be updated to instant ADD COLUMN.
alter table t2 import tablespace;
select * from t2;
insert into t2 set x=2;
select * from t2;
alter table t1 discard tablespace;
flush tables t2 for export;
--move_file $MYSQLD_DATADIR/test/t2.cfg $MYSQLD_DATADIR/test/t1.cfg
--copy_file $MYSQLD_DATADIR/test/t2.ibd $MYSQLD_DATADIR/test/t1.ibd
unlock tables;
--echo # Both the metadata and the data file used instant ADD COLUMN.
alter table t1 import tablespace;
select * from t1;
drop table t2;
create table t2 select * from t1;
alter table t1 discard tablespace;
flush tables t2 for export;
--move_file $MYSQLD_DATADIR/test/t2.cfg $MYSQLD_DATADIR/test/t1.cfg
--copy_file $MYSQLD_DATADIR/test/t2.ibd $MYSQLD_DATADIR/test/t1.ibd
unlock tables;
--echo # The instant ADD COLUMN has to be removed from the metadata.
alter table t1 import tablespace;
select * from t1;
drop table t2;
drop table t1;
|
