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
|
#
# Show what happens during ALTER TABLE when an existing file
# exists in the target location.
#
# Bug #19218794: IF TABLESPACE EXISTS, CAN'T CREATE TABLE,
# BUT CAN ALTER ENGINE=INNODB
#
CREATE TABLE t1 (a SERIAL, b CHAR(10)) ENGINE=Memory;
INSERT INTO t1(b) VALUES('one'), ('two'), ('three');
#
# Create a file called MYSQLD_DATADIR/test/t1.ibd
# Directory listing of test/*.ibd
#
t1.ibd
ALTER TABLE t1 ENGINE = InnoDB;
ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 "Tablespace already exists")
#
# Move the file to InnoDB as t2
#
ALTER TABLE t1 RENAME TO t2, ENGINE = INNODB;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`b` char(10) DEFAULT NULL,
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT * from t2;
a b
1 one
2 two
3 three
ALTER TABLE t2 RENAME TO t1;
ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 "Tablespace already exists")
#
# Create another t1, but in the system tablespace.
#
SET GLOBAL innodb_file_per_table=OFF;
CREATE TABLE t1 (a SERIAL, b CHAR(20)) ENGINE=InnoDB;
INSERT INTO t1(b) VALUES('one'), ('two'), ('three');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`b` char(20) DEFAULT NULL,
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT name, space=0 FROM information_schema.innodb_sys_tables WHERE name = 'test/t1';
name space=0
test/t1 1
#
# ALTER TABLE from system tablespace to system tablespace
#
ALTER TABLE t1 ADD COLUMN c INT, ALGORITHM=INPLACE;
ALTER TABLE t1 ADD COLUMN d INT, ALGORITHM=COPY;
#
# Try to move t1 from the system tablespace to a file-per-table
# while a blocking t1.ibd file exists.
#
SET GLOBAL innodb_file_per_table=ON;
ALTER TABLE t1 FORCE, ALGORITHM=INPLACE;
ERROR HY000: Tablespace for table 'test/#sql-ib' exists. Please DISCARD the tablespace before IMPORT
ALTER TABLE t1 FORCE, ALGORITHM=COPY;
ERROR HY000: Error on rename of 'OLD_FILE_NAME' to 'NEW_FILE_NAME' (errno: 184 "Tablespace already exists")
#
# Delete the blocking file called MYSQLD_DATADIR/test/t1.ibd
# Move t1 to file-per-table using ALGORITHM=INPLACE with no blocking t1.ibd.
#
ALTER TABLE t1 FORCE, ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`b` char(20) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` int(11) DEFAULT NULL,
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT name, space=0 FROM information_schema.innodb_sys_tables WHERE name = 'test/t1';
name space=0
test/t1 0
DROP TABLE t1;
#
# Rename t2.ibd to t1.ibd.
#
ALTER TABLE t2 RENAME TO t1;
SELECT name, space=0 FROM information_schema.innodb_sys_tables WHERE name = 'test/t1';
name space=0
test/t1 0
SELECT * from t1;
a b
1 one
2 two
3 three
DROP TABLE t1;
|
