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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
|
# Pre-create some tables, so that DDTableBuffer is not empty
set global innodb_flush_log_at_trx_commit=1;
CREATE TABLE t1(a TINYINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31);
SELECT * FROM t1;
a
-10
-1
1
2
3
4
5
20
30
31
CREATE TABLE t2(a TINYINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t2 VALUES(-5);
ERROR 22003: Out of range value for column 'a' at row 1
INSERT INTO t2 VALUES(0), (0), (0), (0), (8), (10), (0),
(20), (30), (31);
SELECT * FROM t2;
a
1
2
3
4
8
10
11
20
30
31
CREATE TABLE t3(a SMALLINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t3 VALUES(0), (0), (0), (0), (-1), (-10), (0),
(20), (30), (31), (1024), (4096);
SELECT * FROM t3;
a
-10
-1
1
2
3
4
5
20
30
31
1024
4096
# restart
set global innodb_flush_log_at_trx_commit=1;
# Scenario 1: Create two new tables, with simple DMLs on them,
# and force a checkpoint, then some other DMLs on them
CREATE TABLE t4(a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b INT, KEY b(b)) ENGINE = InnoDB;
CREATE TABLE t5(a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b INT, KEY b(b)) ENGINE = InnoDB;
SET @start_global_value = @@global.innodb_log_checkpoint_now;
SELECT @start_global_value;
@start_global_value
0
# Invoke a checkpoint, which would persist the autoinc counters
# of t4 and t5 into DD Table Buffer
set global innodb_log_checkpoint_now=ON;
INSERT INTO t4 VALUES(0, 1), (0, 2), (10, 3), (12, 4), (0, 5);
SELECT * FROM t4;
a b
1 1
2 2
10 3
12 4
13 5
SHOW CREATE TABLE t4;
Table Create Table
t4 CREATE TABLE `t4` (
`a` int NOT NULL AUTO_INCREMENT,
`b` int DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB AUTO_INCREMENT=14 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSERT INTO t5 VALUES(0, 1), (100, 2), (50, 3);
INSERT INTO t5 VALUES(0, 4), (109, 5), (0, 6);
SELECT * FROM t5;
a b
1 1
100 2
50 3
101 4
109 5
110 6
SHOW CREATE TABLE t5;
Table Create Table
t5 CREATE TABLE `t5` (
`a` int NOT NULL AUTO_INCREMENT,
`b` int DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB AUTO_INCREMENT=111 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
set global innodb_log_checkpoint_now=ON;
SELECT @start_global_value;
@start_global_value
0
SET @@global.innodb_log_checkpoint_now = @start_global_value;
SELECT @@global.innodb_log_checkpoint_now;
@@global.innodb_log_checkpoint_now
0
START TRANSACTION;
# This should insert 14, 15
INSERT INTO t4 VALUES(0, 10), (0, 20);
# This should insert 111, 112
INSERT INTO t5 VALUES(0, 10), (0, 20);
COMMIT;
START TRANSACTION;
# This should insert 16, 17
INSERT INTO t4 VALUES(0, 10), (0, 20);
# This should insert 113, 114
INSERT INTO t5 VALUES(0, 10), (0, 20);
# This will not rollback the counter
ROLLBACK;
# Kill and restart
SET GLOBAL innodb_flush_log_at_trx_commit=1;
SELECT MAX(a) AS `Expect 15` FROM t4;
Expect 15
15
SELECT MAX(a) AS `Expect 112` FROM t5;
Expect 112
112
SHOW CREATE TABLE t4;
Table Create Table
t4 CREATE TABLE `t4` (
`a` int NOT NULL AUTO_INCREMENT,
`b` int DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
SHOW CREATE TABLE t5;
Table Create Table
t5 CREATE TABLE `t5` (
`a` int NOT NULL AUTO_INCREMENT,
`b` int DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB AUTO_INCREMENT=115 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
# Scenario 2: Mix the persisted autoinc counter and corrupted bits
TRUNCATE TABLE t1;
TRUNCATE TABLE t2;
TRUNCATE TABLE t3;
set debug = "+d, dict_set_index_corrupted";
CHECK TABLE t4;
Table Op Msg_type Msg_text
test.t4 check Warning InnoDB: The B-tree of index b is corrupted.
test.t4 check error Corrupt
set debug = "-d, dict_set_index_corrupted";
SELECT b FROM t4 WHERE b > 3;
ERROR HY000: Index b is corrupted
# This should insert 18, 19
INSERT INTO t4 VALUES(0, 6), (0, 7);
SELECT MAX(a) AS `Expect 19` FROM t4;
Expect 19
19
INSERT INTO t1 VALUES(0), (0);
INSERT INTO t2 VALUES(0), (0);
INSERT INTO t3 VALUES(0), (0);
# This should insert 115, 116
INSERT INTO t5 VALUES(0, 10), (0, 11);
# Kill and restart
set global innodb_flush_log_at_trx_commit=1;
CHECK TABLE t4;
Table Op Msg_type Msg_text
test.t4 check Warning InnoDB: Index b is marked as corrupted
test.t4 check error Corrupt
SELECT b FROM t4 WHERE b > 3;
ERROR HY000: Index b is corrupted
# This should fix the corrupted index
DROP INDEX b ON t4;
CREATE INDEX b ON t4(b);
CHECK TABLE t4;
Table Op Msg_type Msg_text
test.t4 check status OK
INSERT INTO t4 VALUES(0, 8), (0, 9), (30, 10);
SET @start_global_value = @@global.innodb_log_checkpoint_now;
SELECT @start_global_value;
@start_global_value
0
set global innodb_log_checkpoint_now=ON;
SELECT MAX(a) AS `Expect 116` FROM t5;
Expect 116
116
DELETE FROM t5;
set debug = "+d, dict_set_index_corrupted";
CHECK TABLE t5;
Table Op Msg_type Msg_text
test.t5 check Warning InnoDB: The B-tree of index b is corrupted.
test.t5 check error Corrupt
set debug = "-d, dict_set_index_corrupted";
SELECT @start_global_value;
@start_global_value
0
SET @@global.innodb_log_checkpoint_now = @start_global_value;
SELECT @@global.innodb_log_checkpoint_now;
@@global.innodb_log_checkpoint_now
0
# This should insert 117, 118
INSERT INTO t5 VALUES(0, 10), (0, 20);
# Kill and restart
set global innodb_flush_log_at_trx_commit=1;
SELECT b FROM t5 WHERE b > 3;
ERROR HY000: Index b is corrupted
# This should fix the corrupted index
DROP INDEX b ON t5;
CREATE INDEX b ON t5(b);
CHECK TABLE t5;
Table Op Msg_type Msg_text
test.t5 check status OK
# This should insert 31, 32
INSERT INTO t4 VALUES(0, 11), (0, 12);
SELECT MAX(a) AS `Expect 32` FROM t4;
Expect 32
32
# restart
set global innodb_flush_log_at_trx_commit=1;
# This should insert 119, 120
INSERT INTO t5 VALUES(0, 12), (0, 13);
SELECT MAX(a) AS `Expect 120` FROM t5;
Expect 120
120
CREATE TABLE t6 (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(100)
) ENGINE=InnoDB AUTO_INCREMENT=99;
SET GLOBAL debug="+d,innodb_evict_autoinc_table";
# Evict table from dictionary cache
SET GLOBAL innodb_ft_aux_table="test/t6";
ERROR 42000: Variable 'innodb_ft_aux_table' can't be set to the value of 'test/t6'
SET GLOBAL debug="-d,innodb_evict_autoinc_table";
INSERT INTO t6(name) VALUES('mysql');
SELECT * FROM t6;
id name
99 mysql
DROP TABLE t1, t2, t3, t4, t5, t6;
#
# Scenario 4: Test ALTER TABLE .. AUTO_INCREMENT to a smaller value
# and maybe crash
#
CREATE TABLE t1(a TINYINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0), (0), (10), (20), (30), (31), (32);
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 35` FROM t1;
Expect 35
35
DELETE FROM t1 WHERE a >= 30;
ALTER TABLE t1 AUTO_INCREMENT = 21;
# restart
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` tinyint NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=21 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 23` FROM t1;
Expect 23
23
DROP TABLE t1;
CREATE TABLE t1(a TINYINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0), (0), (10), (20), (30), (31), (32);
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 35` FROM t1;
Expect 35
35
DELETE FROM t1 WHERE a >= 30;
SET SESSION debug="+d, ib_ddl_crash_before_update_stats";
# Write file to make mysql-test-run.pl expect crash
ALTER TABLE t1 AUTO_INCREMENT = 21;
ERROR HY000: Lost connection to MySQL server during query
# Restart mysqld after the crash and reconnect.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` tinyint NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=36 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 38` FROM t1;
Expect 38
38
DROP TABLE t1;
CREATE TABLE t1 (a INT AUTO_INCREMENT NOT NULL, KEY(a))
PARTITION BY RANGE (a)
( PARTITION p0 VALUES LESS THAN (10),
PARTITION p1 VALUES LESS THAN (20),
PARTITION p2 VALUES LESS THAN (50));
INSERT INTO t1 VALUES(0), (0), (10), (20), (30), (31), (32);
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 35` FROM t1;
Expect 35
35
DELETE FROM t1 WHERE a >= 30;
ALTER TABLE t1 AUTO_INCREMENT = 21;
# restart
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int NOT NULL AUTO_INCREMENT,
KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=21 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!50100 PARTITION BY RANGE (`a`)
(PARTITION p0 VALUES LESS THAN (10) ENGINE = InnoDB,
PARTITION p1 VALUES LESS THAN (20) ENGINE = InnoDB,
PARTITION p2 VALUES LESS THAN (50) ENGINE = InnoDB) */
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 23` FROM t1;
Expect 23
23
DROP TABLE t1;
CREATE TABLE t1 (a INT AUTO_INCREMENT NOT NULL, KEY(a))
PARTITION BY RANGE (a)
( PARTITION p0 VALUES LESS THAN (10),
PARTITION p1 VALUES LESS THAN (20),
PARTITION p2 VALUES LESS THAN (50));
INSERT INTO t1 VALUES(0), (0), (10), (20), (30), (31), (32);
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 35` FROM t1;
Expect 35
35
DELETE FROM t1 WHERE a >= 30;
SET SESSION debug="+d, ib_ddl_crash_before_update_stats";
# Write file to make mysql-test-run.pl expect crash
ALTER TABLE t1 AUTO_INCREMENT = 21;
ERROR HY000: Lost connection to MySQL server during query
# Restart mysqld after the crash and reconnect.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int NOT NULL AUTO_INCREMENT,
KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=36 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!50100 PARTITION BY RANGE (`a`)
(PARTITION p0 VALUES LESS THAN (10) ENGINE = InnoDB,
PARTITION p1 VALUES LESS THAN (20) ENGINE = InnoDB,
PARTITION p2 VALUES LESS THAN (50) ENGINE = InnoDB) */
INSERT INTO t1 VALUES(0), (0), (0);
SELECT MAX(a) `Expect 38` FROM t1;
Expect 38
38
DROP TABLE t1;
#
# BUG#31763837: DEBUG ASSERT IS HIT IN DD DURING TABLE TRUNCATE
#
CREATE TABLE t1(col1 INT AUTO_INCREMENT PRIMARY KEY);
INSERT INTO t1 VALUES (DEFAULT), (DEFAULT), (DEFAULT);
SELECT * FROM t1 ORDER BY col1;
col1
1
2
3
# Stop mysqld and trigger failure during boot.
# Kill the server
# Start server normally.
# restart:
SELECT * FROM t1 ORDER BY col1;
col1
1
2
3
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1 ORDER BY col1;
col1
1
2
3
4
ALTER TABLE t1 AUTO_INCREMENT = 4;
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1 ORDER BY col1;
col1
1
2
3
4
5
TRUNCATE TABLE t1;
DROP TABLE t1;
|
