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
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
|
#
# sql_mode: alter_algorithm: COPY
#
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT NULL,
f4 INT as (f2) STORED,
f5 INT as (f3) STORED,
PRIMARY KEY(f1))ROW_FORMAT=COMPRESSED, ENGINE=INNODB;
INSERT INTO t1(f1, f2, f3) VALUES(1, 1, 1);
# All the following cases needs table rebuild
# Add and Drop primary key
ALTER TABLE t1 ADD COLUMN col1 INT NOT NULL,DROP PRIMARY KEY,ADD PRIMARY KEY(col1), ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Make existing column NULLABLE
ALTER TABLE t1 MODIFY f2 INT, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Drop Stored Column
ALTER TABLE t1 DROP COLUMN f5, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Add base non-generated column as a last column in the compressed table
ALTER TABLE t1 ADD COLUMN f6 INT NOT NULL, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Add base non-generated column but not in the last position
ALTER TABLE t1 ADD COLUMN f7 INT NOT NULL after f3, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Force the table to rebuild
ALTER TABLE t1 FORCE, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Row format changes
ALTER TABLE t1 ROW_FORMAT=COMPRESSED, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Engine table
ALTER TABLE t1 ENGINE=INNODB, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 FORCE, ALGORITHM=DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
affected rows: 0
CREATE TABLE t1(f1 INT PRIMARY KEY, f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
f4 INT NOT NULL UNIQUE,
f5 INT NOT NULL,
INDEX idx(f2))ENGINE=INNODB;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
INDEX(f1),
FOREIGN KEY fidx(f1) REFERENCES t1(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2, f4, f5) VALUES(1, 2, 3, 4);
ALTER TABLE t1 ADD INDEX idx1(f4), page_compressed=1, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX idx, page_compression_level=5, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD UNIQUE INDEX u1(f2), ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX f4, page_compression_level=9, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t1 ADD FOREIGN KEY(f5) REFERENCES t2(f1), ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
DROP TABLE t2, t1;
affected rows: 0
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
INDEX idx (f2))engine=innodb;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
f3 VARCHAR(10),
INDEX(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2) VALUES(1, 1);
# Add column at the end of the table
ALTER TABLE t1 ADD COLUMN f4 char(100) default 'BIG WALL', ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Change virtual column expression
ALTER TABLE t1 CHANGE f3 f3 INT AS (f2 * f2) VIRTUAL, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Add virtual column
ALTER TABLE t1 ADD COLUMN f5 INT AS (f2) VIRTUAL, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Rename Column
ALTER TABLE t1 CHANGE f3 vcol INT AS (f2) VIRTUAL, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Rename table
ALTER TABLE t1 RENAME t3, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Drop Virtual Column
ALTER TABLE t3 DROP COLUMN vcol, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
# Column length varies
ALTER TABLE t2 CHANGE f3 f3 VARCHAR(20), ALGORITHM=COPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t3 ADD FOREIGN KEY fidx(f2) REFERENCES t2(f1), ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 1;
affected rows: 0
ALTER TABLE t3 DROP FOREIGN KEY fidx, ALGORITHM=COPY;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
DROP TABLE t3, t2;
affected rows: 0
#
# sql_mode: alter_algorithm: INPLACE
#
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT NULL,
f4 INT as (f2) STORED,
f5 INT as (f3) STORED,
PRIMARY KEY(f1))ROW_FORMAT=COMPRESSED, ENGINE=INNODB;
INSERT INTO t1(f1, f2, f3) VALUES(1, 1, 1);
# All the following cases needs table rebuild
# Add and Drop primary key
ALTER TABLE t1 ADD COLUMN col1 INT NOT NULL,DROP PRIMARY KEY,ADD PRIMARY KEY(col1), ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Make existing column NULLABLE
ALTER TABLE t1 MODIFY f2 INT, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Drop Stored Column
ALTER TABLE t1 DROP COLUMN f5, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Add base non-generated column as a last column in the compressed table
ALTER TABLE t1 ADD COLUMN f6 INT NOT NULL, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Add base non-generated column but not in the last position
ALTER TABLE t1 ADD COLUMN f7 INT NOT NULL after f3, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Force the table to rebuild
ALTER TABLE t1 FORCE, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Row format changes
ALTER TABLE t1 ROW_FORMAT=COMPRESSED, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Engine table
ALTER TABLE t1 ENGINE=INNODB, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 FORCE, ALGORITHM=DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
affected rows: 0
CREATE TABLE t1(f1 INT PRIMARY KEY, f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
f4 INT NOT NULL UNIQUE,
f5 INT NOT NULL,
INDEX idx(f2))ENGINE=INNODB;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
INDEX(f1),
FOREIGN KEY fidx(f1) REFERENCES t1(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2, f4, f5) VALUES(1, 2, 3, 4);
ALTER TABLE t1 ADD INDEX idx1(f4), page_compressed=1, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX idx, page_compression_level=5, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD UNIQUE INDEX u1(f2), ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX f4, page_compression_level=9, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t1 ADD FOREIGN KEY(f5) REFERENCES t2(f1), ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t2, t1;
affected rows: 0
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
INDEX idx (f2))engine=innodb;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
f3 VARCHAR(10),
INDEX(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2) VALUES(1, 1);
# Add column at the end of the table
ALTER TABLE t1 ADD COLUMN f4 char(100) default 'BIG WALL', ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Change virtual column expression
ALTER TABLE t1 CHANGE f3 f3 INT AS (f2 * f2) VIRTUAL, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Add virtual column
ALTER TABLE t1 ADD COLUMN f5 INT AS (f2) VIRTUAL, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename Column
ALTER TABLE t1 CHANGE f3 vcol INT AS (f2) VIRTUAL, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename table
ALTER TABLE t1 RENAME t3, ALGORITHM=INPLACE;
affected rows: 0
# Drop Virtual Column
ALTER TABLE t3 DROP COLUMN vcol, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Column length varies
ALTER TABLE t2 CHANGE f3 f3 VARCHAR(20), ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t3 ADD FOREIGN KEY fidx(f2) REFERENCES t2(f1), ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 1;
affected rows: 0
ALTER TABLE t3 DROP FOREIGN KEY fidx, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t3, t2;
affected rows: 0
#
# sql_mode: alter_algorithm: NOCOPY
#
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT NULL,
f4 INT as (f2) STORED,
f5 INT as (f3) STORED,
PRIMARY KEY(f1))ROW_FORMAT=COMPRESSED, ENGINE=INNODB;
INSERT INTO t1(f1, f2, f3) VALUES(1, 1, 1);
# All the following cases needs table rebuild
# Add and Drop primary key
ALTER TABLE t1 ADD COLUMN col1 INT NOT NULL,DROP PRIMARY KEY,ADD PRIMARY KEY(col1), ALGORITHM=NOCOPY;
Got one of the listed errors
# Make existing column NULLABLE
ALTER TABLE t1 MODIFY f2 INT, ALGORITHM=NOCOPY;
Got one of the listed errors
# Drop Stored Column
ALTER TABLE t1 DROP COLUMN f5, ALGORITHM=NOCOPY;
Got one of the listed errors
# Add base non-generated column as a last column in the compressed table
ALTER TABLE t1 ADD COLUMN f6 INT NOT NULL, ALGORITHM=NOCOPY;
Got one of the listed errors
# Add base non-generated column but not in the last position
ALTER TABLE t1 ADD COLUMN f7 INT NOT NULL after f3, ALGORITHM=NOCOPY;
Got one of the listed errors
# Force the table to rebuild
ALTER TABLE t1 FORCE, ALGORITHM=NOCOPY;
Got one of the listed errors
# Row format changes
ALTER TABLE t1 ROW_FORMAT=COMPRESSED, ALGORITHM=NOCOPY;
Got one of the listed errors
# Engine table
ALTER TABLE t1 ENGINE=INNODB, ALGORITHM=NOCOPY;
Got one of the listed errors
ALTER TABLE t1 FORCE, ALGORITHM=DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
affected rows: 0
CREATE TABLE t1(f1 INT PRIMARY KEY, f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
f4 INT NOT NULL UNIQUE,
f5 INT NOT NULL,
INDEX idx(f2))ENGINE=INNODB;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
INDEX(f1),
FOREIGN KEY fidx(f1) REFERENCES t1(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2, f4, f5) VALUES(1, 2, 3, 4);
ALTER TABLE t1 ADD INDEX idx1(f4), page_compressed=1, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX idx, page_compression_level=5, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD UNIQUE INDEX u1(f2), ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX f4, page_compression_level=9, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t1 ADD FOREIGN KEY(f5) REFERENCES t2(f1), ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t2, t1;
affected rows: 0
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
INDEX idx (f2))engine=innodb;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
f3 VARCHAR(10),
INDEX(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2) VALUES(1, 1);
# Add column at the end of the table
ALTER TABLE t1 ADD COLUMN f4 char(100) default 'BIG WALL', ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Change virtual column expression
ALTER TABLE t1 CHANGE f3 f3 INT AS (f2 * f2) VIRTUAL, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Add virtual column
ALTER TABLE t1 ADD COLUMN f5 INT AS (f2) VIRTUAL, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename Column
ALTER TABLE t1 CHANGE f3 vcol INT AS (f2) VIRTUAL, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename table
ALTER TABLE t1 RENAME t3, ALGORITHM=NOCOPY;
affected rows: 0
# Drop Virtual Column
ALTER TABLE t3 DROP COLUMN vcol, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Column length varies
ALTER TABLE t2 CHANGE f3 f3 VARCHAR(20), ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t3 ADD FOREIGN KEY fidx(f2) REFERENCES t2(f1), ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 1;
affected rows: 0
ALTER TABLE t3 DROP FOREIGN KEY fidx, ALGORITHM=NOCOPY;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t3, t2;
affected rows: 0
#
# sql_mode: alter_algorithm: INSTANT
#
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT NULL,
f4 INT as (f2) STORED,
f5 INT as (f3) STORED,
PRIMARY KEY(f1))ROW_FORMAT=COMPRESSED, ENGINE=INNODB;
INSERT INTO t1(f1, f2, f3) VALUES(1, 1, 1);
# All the following cases needs table rebuild
# Add and Drop primary key
ALTER TABLE t1 ADD COLUMN col1 INT NOT NULL,DROP PRIMARY KEY,ADD PRIMARY KEY(col1), ALGORITHM=INSTANT;
Got one of the listed errors
# Make existing column NULLABLE
ALTER TABLE t1 MODIFY f2 INT, ALGORITHM=INSTANT;
Got one of the listed errors
# Drop Stored Column
ALTER TABLE t1 DROP COLUMN f5, ALGORITHM=INSTANT;
Got one of the listed errors
# Add base non-generated column as a last column in the compressed table
ALTER TABLE t1 ADD COLUMN f6 INT NOT NULL, ALGORITHM=INSTANT;
Got one of the listed errors
# Add base non-generated column but not in the last position
ALTER TABLE t1 ADD COLUMN f7 INT NOT NULL after f3, ALGORITHM=INSTANT;
Got one of the listed errors
# Force the table to rebuild
ALTER TABLE t1 FORCE, ALGORITHM=INSTANT;
Got one of the listed errors
# Row format changes
ALTER TABLE t1 ROW_FORMAT=COMPRESSED, ALGORITHM=INSTANT;
Got one of the listed errors
# Engine table
ALTER TABLE t1 ENGINE=INNODB, ALGORITHM=INSTANT;
Got one of the listed errors
ALTER TABLE t1 FORCE, ALGORITHM=DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
affected rows: 0
CREATE TABLE t1(f1 INT PRIMARY KEY, f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
f4 INT NOT NULL UNIQUE,
f5 INT NOT NULL,
INDEX idx(f2))ENGINE=INNODB;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
INDEX(f1),
FOREIGN KEY fidx(f1) REFERENCES t1(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2, f4, f5) VALUES(1, 2, 3, 4);
ALTER TABLE t1 ADD INDEX idx1(f4), page_compressed=1, ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: ADD INDEX. Try ALGORITHM=NOCOPY
ALTER TABLE t1 DROP INDEX idx, page_compression_level=5, ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: DROP INDEX. Try ALGORITHM=NOCOPY
ALTER TABLE t1 ADD UNIQUE INDEX u1(f2), ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: ADD INDEX. Try ALGORITHM=NOCOPY
ALTER TABLE t1 DROP INDEX f4, page_compression_level=9, ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: DROP INDEX. Try ALGORITHM=NOCOPY
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t1 ADD FOREIGN KEY(f5) REFERENCES t2(f1), ALGORITHM=INSTANT;
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: ADD INDEX. Try ALGORITHM=NOCOPY
DROP TABLE t2, t1;
affected rows: 0
CREATE TABLE t1(f1 INT NOT NULL,
f2 INT NOT NULL,
f3 INT AS (f2 * f2) VIRTUAL,
INDEX idx (f2))engine=innodb;
CREATE TABLE t2(f1 INT NOT NULL, f2 INT NOT NULL,
f3 VARCHAR(10),
INDEX(f1))ENGINE=INNODB;
INSERT INTO t1(f1, f2) VALUES(1, 1);
# Add column at the end of the table
ALTER TABLE t1 ADD COLUMN f4 char(100) default 'BIG WALL', ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Change virtual column expression
ALTER TABLE t1 CHANGE f3 f3 INT AS (f2 * f2) VIRTUAL, ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Add virtual column
ALTER TABLE t1 ADD COLUMN f5 INT AS (f2) VIRTUAL, ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename Column
ALTER TABLE t1 CHANGE f3 vcol INT AS (f2) VIRTUAL, ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Rename table
ALTER TABLE t1 RENAME t3, ALGORITHM=INSTANT;
affected rows: 0
# Drop Virtual Column
ALTER TABLE t3 DROP COLUMN vcol, ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Column length varies
ALTER TABLE t2 CHANGE f3 f3 VARCHAR(20), ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;
affected rows: 0
ALTER TABLE t3 ADD FOREIGN KEY fidx(f2) REFERENCES t2(f1), ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 1;
affected rows: 0
ALTER TABLE t3 DROP FOREIGN KEY fidx, ALGORITHM=INSTANT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t3, t2;
affected rows: 0
|
