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
105
|
call mtr.add_suppression("Index for table 'tab' is corrupt; try to repair it");
SET @row_format = @@GLOBAL.innodb_default_row_format;
# ###########################################################
# Check with Import/Export tablespace with Default_row_format
SET GLOBAL innodb_default_row_format=Compact;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
compact
SELECT @@innodb_file_per_table;
@@innodb_file_per_table
1
CREATE TABLE tab(a INT) ENGINE=InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL 0 N
INSERT INTO tab VALUES(1);
INSERT INTO tab VALUES(2);
SELECT * FROM tab;
a
1
2
FLUSH TABLE tab FOR EXPORT;
UNLOCK TABLES;
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Dynamic;
CREATE TABLE tab(a INT) ENGINE=InnoDB;
ALTER TABLE tab DISCARD TABLESPACE;
ALTER TABLE tab IMPORT TABLESPACE;
ERROR HY000: Schema mismatch (Table flags don't match, server table has 0x21 and the meta-data file has 0x1; .cfg file uses ROW_FORMAT=COMPACT)
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Compact;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
compact
CREATE TABLE tab(a INT) ENGINE=InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL 0 N
ALTER TABLE tab DISCARD TABLESPACE;
call mtr.add_suppression("InnoDB: Tried to read .* bytes at offset 0");
ALTER TABLE tab IMPORT TABLESPACE;
ERROR HY000: Index for table 'tab' is corrupt; try to repair it
ALTER TABLE tab IMPORT TABLESPACE;
SELECT * FROM tab;
a
1
2
DROP TABLE tab;
# ###########################################################
SET GLOBAL innodb_default_row_format=Dynamic;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(3070))) ENGINE= InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL 0 N
INSERT INTO tab(a,b) VALUES(1,'Check with max column size');
SELECT * FROM tab;
a b
1 Check with max column size
SET GLOBAL innodb_default_row_format=COMPACT;
ALTER TABLE tab ROW_FORMAT=COMPACT;
ERROR HY000: Index column size too large. The maximum column size is 767 bytes
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Default;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
SET GLOBAL innodb_default_row_format=Dynamic;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(767))) ENGINE= InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL 0 N
INSERT INTO tab(a,b) VALUES(1,'Check with max column size');
SELECT * FROM tab;
a b
1 Check with max column size
ALTER TABLE tab ROW_FORMAT=COMPACT;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=COMPACT 0 N
SELECT * FROM tab;
a b
1 Check with max column size
SET @save_innodb_read_only_compressed=@@GLOBAL.innodb_read_only_compressed;
SET GLOBAL innodb_read_only_compressed=ON;
ALTER TABLE tab ROW_FORMAT=COMPRESSED;
ERROR HY000: InnoDB refuses to write tables with ROW_FORMAT=COMPRESSED or KEY_BLOCK_SIZE.
SET GLOBAL innodb_read_only_compressed=OFF;
ALTER TABLE tab ROW_FORMAT=COMPRESSED;
SET GLOBAL innodb_read_only_compressed=ON;
SELECT * FROM tab;
a b
1 Check with max column size
ALTER TABLE tab ROW_FORMAT=Dynamic;
SET GLOBAL innodb_read_only_compressed=@save_innodb_read_only_compressed;
SHOW TABLE STATUS LIKE 'tab';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=DYNAMIC 0 N
DROP TABLE tab;
SET GLOBAL innodb_default_row_format = @row_format;
|
