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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
#
# Bug#20015132 ALTER TABLE FAILS TO CHECK IF TABLE IS CORRUPTED
#
CREATE TABLE t1(c1 INT PRIMARY KEY, c2 CHAR(1), c3 INT UNSIGNED) ENGINE=InnoDB;
SET @saved_debug_dbug = @@SESSION.debug_dbug;
SET DEBUG_DBUG='+d,create_index_metadata_fail';
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
ERROR HY000: The table 't1' is full
SET DEBUG_DBUG='+d,ib_create_table_fail_too_many_trx';
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
ERROR HY000: Too many active concurrent transactions
SET DEBUG_DBUG=@saved_debug_dbug;
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
SET DEBUG_DBUG='+d,dict_set_index_corrupted';
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check Warning InnoDB: Index c2 is marked as corrupted
test.t1 check Warning InnoDB: Index c3 is marked as corrupted
test.t1 check error Corrupt
# restart
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check Warning InnoDB: Index c2 is marked as corrupted
test.t1 check Warning InnoDB: Index c3 is marked as corrupted
test.t1 check error Corrupt
ALTER TABLE t1 DROP INDEX c2;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check Warning InnoDB: Index c3 is marked as corrupted
test.t1 check error Corrupt
ALTER TABLE t1 ADD INDEX (c2,c3);
ERROR HY000: Index c3 is corrupted
ALTER TABLE t1 CHANGE c3 c3 INT NOT NULL;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
ALTER TABLE t1 ADD INDEX (c2,c3);
DROP TABLE t1;
#
# Bug #14669848 CRASH DURING ALTER MAKES ORIGINAL TABLE INACCESSIBLE
#
# -- Scenario 1:
# Crash the server in ha_innobase::commit_inplace_alter_table()
# just after committing the dictionary changes.
CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=innodb;
INSERT INTO t1 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
ERROR HY000: Lost connection to server during query
# Restart mysqld after the crash and reconnect.
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = ID;
TABLE_ID NAME FLAG N_COLS SPACE ROW_FORMAT ZIP_PAGE_SIZE SPACE_TYPE
# Files in datadir after manual recovery.
db.opt
t1.frm
t1.ibd
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(11) NOT NULL,
`f2` int(11) NOT NULL,
PRIMARY KEY (`f2`,`f1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 VALUES (5,6),(7,8);
SELECT * FROM t1;
f1 f2
1 2
3 4
5 6
7 8
DROP TABLE t1;
CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
DROP TABLE t1;
# -- Scenario 2:
# Crash the server in ha_innobase::commit_inplace_alter_table()
# just before committing the dictionary changes, but after
# writing the MLOG_FILE_RENAME records. As the mini-transaction
# is not committed, the renames will not be replayed.
CREATE TABLE t2 (f1 int not null, f2 int not null) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_before_commit';
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
ERROR HY000: Lost connection to server during query
# Startup the server after the crash
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE name LIKE 'test/#sql-%';
TABLE_ID NAME FLAG N_COLS SPACE ROW_FORMAT ZIP_PAGE_SIZE SPACE_TYPE
SHOW TABLES;
Tables_in_test
t2
INSERT INTO t2 VALUES (5,6),(7,8);
SELECT * from t2;
f1 f2
1 2
3 4
5 6
7 8
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f1` int(11) NOT NULL,
`f2` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
DROP TABLE t2;
db.opt
# -------------------------
# End of Testing Scenario 2
# -------------------------
#
# Bug#19330255 WL#7142 - CRASH DURING ALTER TABLE LEADS TO
# DATA DICTIONARY INCONSISTENCY
#
CREATE TABLE t1(a int PRIMARY KEY, b varchar(255), c int NOT NULL)
ENGINE=InnoDB;
INSERT INTO t1 SET a=1,c=2;
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
ALTER TABLE t1 ADD INDEX (b), CHANGE c d int, ALGORITHM=INPLACE;
ERROR HY000: Lost connection to server during query
# Restart mysqld after the crash and reconnect.
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = ID;
TABLE_ID NAME FLAG N_COLS SPACE ROW_FORMAT ZIP_PAGE_SIZE SPACE_TYPE
db.opt
t1.frm
t1.ibd
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` varchar(255) DEFAULT NULL,
`d` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
UPDATE t1 SET d=NULL;
SELECT * FROM t1;
a b d
1 NULL NULL
DROP TABLE t1;
#
# MDEV-22637 Rollback of insert fails when column reorder happens
#
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_TRANS_TABLES', '');
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_ALL_TABLES', '');
CREATE TABLE t1(f1 INT NOT NULL, f2 CHAR(100),
f3 CHAR(100), f4 CHAR(100))ENGINE=InnoDB;
INSERT INTO t1 VALUES(1, "This is column2", "This is column3",
"This is column4");
set DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
ALTER TABLE t1 ADD COLUMN f6 int after f3, add primary key(f6, f4(3), f3(3));
connect con1,localhost,root,,;
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1(f1, f2) VALUES(2, "This is column2 value");
ROLLBACK;
set DEBUG_SYNC = 'now SIGNAL insert_done';
connection default;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(11) NOT NULL,
`f2` char(100) DEFAULT NULL,
`f3` char(100) NOT NULL,
`f6` int(11) NOT NULL,
`f4` char(100) NOT NULL,
PRIMARY KEY (`f6`,`f4`(3),`f3`(3))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT COUNT(*) FROM t1;
COUNT(*)
1
disconnect con1;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
SET SQL_MODE=DEFAULT;
#
# MDEV-26936 Recovery crash on rolling back DELETE FROM SYS_INDEXES
#
CREATE TABLE t1(a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1,1);
connect ddl, localhost, root;
SET DEBUG_SYNC = 'row_merge_after_scan SIGNAL scanned WAIT_FOR commit';
SET DEBUG_SYNC = 'before_commit_rollback_inplace SIGNAL c WAIT_FOR ever';
ALTER TABLE t1 ADD UNIQUE INDEX(b), ALGORITHM=INPLACE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1 VALUES(2,1);
COMMIT;
SET DEBUG_SYNC = 'now SIGNAL commit';
SET DEBUG_SYNC = 'now WAIT_FOR c';
SET GLOBAL innodb_fil_make_page_dirty_debug=0;
# Kill the server
disconnect ddl;
# restart
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
a b
1 1
2 1
DROP TABLE t1;
|
