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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
call mtr.add_suppression("InnoDB: Table .* tablespace is set as discarded");
SET GLOBAL innodb_compression_algorithm = 1;
create table t1(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb encrypted=yes encryption_key_id=4;
create table t2(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb encrypted=yes encryption_key_id=1;
create table t3(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb page_compressed=yes;
create table t4(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb page_compressed=yes encrypted=yes encryption_key_id=4;
create table t5(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb;
insert into t1 values (NULL, 'verysecretmessage');
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t1(b) select b from t1;
insert into t2 select * from t1;
insert into t3 select * from t1;
insert into t4 select * from t1;
insert into t5 select * from t1;
FLUSH TABLE t1,t2,t3,t4,t5 FOR EXPORT;
backup: t1
backup: t2
backup: t3
backup: t4
backup: t5
db.opt
t1.cfg
t1.frm
t1.ibd
t2.cfg
t2.frm
t2.ibd
t3.cfg
t3.frm
t3.ibd
t4.cfg
t4.frm
t4.ibd
t5.cfg
t5.frm
t5.ibd
UNLOCK TABLES;
ALTER TABLE t1 DISCARD TABLESPACE;
ALTER TABLE t2 DISCARD TABLESPACE;
ALTER TABLE t3 DISCARD TABLESPACE;
ALTER TABLE t4 DISCARD TABLESPACE;
ALTER TABLE t5 DISCARD TABLESPACE;
DROP TABLE t1;
DROP TABLE t3;
DROP TABLE t4;
DROP TABLE t5;
create table t6(a int) engine=innodb;
create table t5(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb;
create table t3(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb page_compressed=yes;
create table t1(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb encrypted=yes encryption_key_id=4;
create table t4(c1 bigint not null primary key auto_increment, b char(200)) engine=innodb page_compressed=yes encrypted=yes encryption_key_id=4;
ALTER TABLE t1 DISCARD TABLESPACE;
ALTER TABLE t3 DISCARD TABLESPACE;
ALTER TABLE t4 DISCARD TABLESPACE;
ALTER TABLE t5 DISCARD TABLESPACE;
restore: t1 .ibd and .cfg files
restore: t2 .ibd and .cfg files
restore: t3 .ibd and .cfg files
restore: t4 .ibd and .cfg files
restore: t5 .ibd and .cfg files
ALTER TABLE t1 IMPORT TABLESPACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20) NOT NULL AUTO_INCREMENT,
`b` char(200) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=504 DEFAULT CHARSET=latin1 `encrypted`=yes `encryption_key_id`=4
SELECT COUNT(*) FROM t1;
COUNT(*)
256
ALTER TABLE t2 IMPORT TABLESPACE;
SELECT COUNT(*) FROM t2;
COUNT(*)
256
ALTER TABLE t3 IMPORT TABLESPACE;
SELECT COUNT(*) FROM t3;
COUNT(*)
256
ALTER TABLE t4 IMPORT TABLESPACE;
SELECT COUNT(*) FROM t4;
COUNT(*)
256
ALTER TABLE t5 IMPORT TABLESPACE;
SELECT COUNT(*) FROM t5;
COUNT(*)
256
# t1 encrypted expecting NOT FOUND
NOT FOUND /verysecretmessage/ in t1.ibd
# t2 encrypted expecting NOT FOUND
NOT FOUND /verysecretmessage/ in t2.ibd
# t3 page compressed expecting NOT FOUND
NOT FOUND /verysecretmessage/ in t3.ibd
# t4 page compressed and encrypted expecting NOT FOUND
NOT FOUND /verysecretmessage/ in t4.ibd
# t5 normal expecting FOUND
FOUND 289 /verysecretmessage/ in t5.ibd
DROP TABLE t1,t2,t3,t4,t5,t6;
|
