summaryrefslogtreecommitdiff
path: root/mysql-test/t/alter_table.test
blob: 6fe0f4d30ee570cc983966a6fffce92b5cfeb153 (plain)
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
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
if (`select plugin_auth_version < "5.6.26" from information_schema.plugins where plugin_name='innodb'`)
{
  --skip Not fixed in XtraDB below 5.6.26
}
--source include/have_innodb.inc
#
# Test of alter table
#
--disable_warnings
drop table if exists t1,t2;
drop database if exists mysqltest;
--enable_warnings

create table t1 (
col1 int not null auto_increment primary key,
col2 varchar(30) not null,
col3 varchar (20) not null,
col4 varchar(4) not null,
col5 enum('PENDING', 'ACTIVE', 'DISABLED') not null,
col6 int not null, to_be_deleted int);
insert into t1 values (2,4,3,5,"PENDING",1,7);
alter table t1
add column col4_5 varchar(20) not null after col4,
add column col7 varchar(30) not null after col5,
add column col8 datetime not null, drop column to_be_deleted,
change column col2 fourth varchar(30) not null after col3,
modify column col6 int not null first;
select * from t1;
drop table t1;

create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
alter table t1 add column new_col int, order by payoutid,bandid;
select * from t1;
alter table t1 order by bandid,payoutid;
select * from t1;
drop table t1;

# Check that pack_keys and dynamic length rows are not forced. 

CREATE TABLE t1 (
GROUP_ID int(10) unsigned DEFAULT '0' NOT NULL,
LANG_ID smallint(5) unsigned DEFAULT '0' NOT NULL,
NAME varchar(80) DEFAULT '' NOT NULL,
PRIMARY KEY (GROUP_ID,LANG_ID),
KEY NAME (NAME));
#show table status like "t1";
ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
--replace_column 8 #
SHOW FULL COLUMNS FROM t1;
DROP TABLE t1;

#
# Test of ALTER TABLE ... ORDER BY
#

create table t1 (n int);
insert into t1 values(9),(3),(12),(10);
alter table t1 order by n;
select * from t1;
drop table t1;

CREATE TABLE t1 (
  id int(11) unsigned NOT NULL default '0',
  category_id tinyint(4) unsigned NOT NULL default '0',
  type_id tinyint(4) unsigned NOT NULL default '0',
  body text NOT NULL,
  user_id int(11) unsigned NOT NULL default '0',
  status enum('new','old') NOT NULL default 'new',
  PRIMARY KEY (id)
) ENGINE=MyISAM;

ALTER TABLE t1 ORDER BY t1.id, t1.status, t1.type_id, t1.user_id, t1.body;
DROP TABLE t1;

#
# The following combination found a hang-bug in MyISAM
#

CREATE TABLE t1 (AnamneseId int(10) unsigned NOT NULL auto_increment,B BLOB,PRIMARY KEY (AnamneseId)) engine=myisam;
insert into t1 values (null,"hello");
LOCK TABLES t1 WRITE;
ALTER TABLE t1 ADD Column new_col int not null;
UNLOCK TABLES;
OPTIMIZE TABLE t1;
DROP TABLE t1;

#
# Drop and add an auto_increment column
#

create table t1 (i int unsigned not null auto_increment primary key);
insert into t1 values (null),(null),(null),(null);
alter table t1 drop i,add i int unsigned not null auto_increment, drop primary key, add primary key (i);
select * from t1;
drop table t1;

#
# Bug #2628: 'alter table t1 rename mysqltest.t1' silently drops mysqltest.t1 
# if it exists
#
create table t1 (name char(15));
insert into t1 (name) values ("current");
create database mysqltest;
create table mysqltest.t1 (name char(15));
insert into mysqltest.t1 (name) values ("mysqltest");
select * from t1;
select * from mysqltest.t1;
--error ER_TABLE_EXISTS_ERROR
alter table t1 rename mysqltest.t1;
select * from t1;
select * from mysqltest.t1;
drop table t1;
drop database mysqltest;

#
# ALTER TABLE ... ENABLE/DISABLE KEYS

create table t1 (n1 int not null, n2 int, n3 int, n4 float,
                unique(n1),
                key (n1, n2, n3, n4),
                key (n2, n3, n4, n1),
                key (n3, n4, n1, n2),
                key (n4, n1, n2, n3) );
alter table t1 disable keys;
show keys from t1;
#let $1=10000;
let $1=10;
--disable_query_log
begin;
while ($1)
{
 eval insert into t1 values($1,RAND()*1000,RAND()*1000,RAND());
 dec $1;
}
commit;
--enable_query_log
alter table t1 enable keys;
show keys from t1;
drop table t1;

#
# Alter table and rename
#

create table t1 (i int unsigned not null auto_increment primary key);
alter table t1 rename t2;
alter table t2 rename t1, add c char(10) comment "no comment";
show columns from t1;
drop table t1;

# implicit analyze

create table t1 (a int, b int);
let $1=100;
--disable_query_log
begin;
while ($1)
{
 eval insert into t1 values(1,$1), (2,$1), (3, $1);
 dec $1;
}
commit;
--enable_query_log
alter table t1 add unique (a,b), add key (b);
show keys from t1;
analyze table t1;
show keys from t1;
drop table t1;

#
# Test of ALTER TABLE DELAYED
#

CREATE TABLE t1 (i int(10), index(i) ) ENGINE=MyISAM;
ALTER TABLE t1 DISABLE KEYS;
INSERT DELAYED INTO t1 VALUES(1),(2),(3);
ALTER TABLE t1 ENABLE KEYS;
drop table t1;

#
# Test ALTER TABLE ENABLE/DISABLE keys when things are locked
#

CREATE TABLE t1 (
  Host varchar(16) binary NOT NULL default '',
  User varchar(16) binary NOT NULL default '',
  PRIMARY KEY  (Host,User)
) ENGINE=MyISAM;

ALTER TABLE t1 DISABLE KEYS;
LOCK TABLES t1 WRITE;
INSERT INTO t1 VALUES ('localhost','root'),('localhost',''),('games','monty');
SHOW INDEX FROM t1;
ALTER TABLE t1 ENABLE KEYS;
UNLOCK TABLES;
CHECK TABLES t1;
DROP TABLE t1;

#
# Test with two keys
#

CREATE TABLE t1 (
  Host varchar(16) binary NOT NULL default '',
  User varchar(16) binary NOT NULL default '',
  PRIMARY KEY  (Host,User),
  KEY  (Host)
) ENGINE=MyISAM;

ALTER TABLE t1 DISABLE KEYS;
SHOW INDEX FROM t1;
LOCK TABLES t1 WRITE;
INSERT INTO t1 VALUES ('localhost','root'),('localhost','');
SHOW INDEX FROM t1;
ALTER TABLE t1 ENABLE KEYS;
SHOW INDEX FROM t1;
UNLOCK TABLES;
CHECK TABLES t1;

# Test RENAME with LOCK TABLES
LOCK TABLES t1 WRITE;
ALTER TABLE t1 RENAME t2;
UNLOCK TABLES;
select * from t2;
DROP TABLE t2;

#
# Test disable keys with locking
#
CREATE TABLE t1 (
  Host varchar(16) binary NOT NULL default '',
  User varchar(16) binary NOT NULL default '',
  PRIMARY KEY  (Host,User),
  KEY  (Host)
) ENGINE=MyISAM;

LOCK TABLES t1 WRITE;
ALTER TABLE t1 DISABLE KEYS;
SHOW INDEX FROM t1;
DROP TABLE t1;

#
# BUG#4717 - check for valid table names
#
create table t1 (a int);
--error ER_WRONG_TABLE_NAME
alter table t1 rename to ``;
--error ER_WRONG_TABLE_NAME
rename table t1 to ``;
drop table t1;

#
# BUG#6236 - ALTER TABLE MODIFY should set implicit NOT NULL on PK columns
#
drop table if exists t1, t2;
create table t1 ( a varchar(10) not null primary key ) engine=myisam;
create table t2 ( a varchar(10) not null primary key ) engine=merge union=(t1);
flush tables;
alter table t1 modify a varchar(10);
show create table t2;
flush tables;
alter table t1 modify a varchar(10) not null;
show create table t2;
drop table if exists t1, t2;

# The following is also part of bug #6236 (CREATE TABLE didn't properly count
# not null columns for primary keys)

create table t1 (a int, b int, c int, d int, e int, f int, g int, h int,i int, primary key (a,b,c,d,e,f,g,i,h)) engine=MyISAM;
insert into t1 (a) values(1);
--replace_column 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X
show table status like 't1';
alter table t1 modify a int;
--replace_column 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X
show table status like 't1';
drop table t1;
create table t1 (a int not null, b int not null, c int not null, d int not null, e int not null, f int not null, g int not null, h int not null,i int not null, primary key (a,b,c,d,e,f,g,i,h)) engine=MyISAM;
insert into t1 (a) values(1);
--replace_column 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X
show table status like 't1';
drop table t1;

#
# Test that data get converted when character set is changed
# Test that data doesn't get converted when src or dst is BINARY/BLOB
#
set names koi8r;
create table t1 (a char(10) character set koi8r);
insert into t1 values ('ΤΕΣΤ');
select a,hex(a) from t1;
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
alter table t1 change a a binary(4);
select a,hex(a) from t1;
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
alter table t1 change a a varchar(10) character set cp1251;
select a,hex(a) from t1;
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
alter table t1 change a a text character set cp1251;
select a,hex(a) from t1;
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
delete from t1;

#
# Test ALTER TABLE .. CHARACTER SET ..
#
show create table t1;
alter table t1 DEFAULT CHARACTER SET latin1;
show create table t1;
alter table t1 CONVERT TO CHARACTER SET latin1;
show create table t1;
alter table t1 DEFAULT CHARACTER SET cp1251;
show create table t1;

drop table t1;

#
# Bug#2821
# Test that table CHARACTER SET does not affect blobs
#
create table t1 (myblob longblob,mytext longtext) 
default charset latin1 collate latin1_general_cs;
show create table t1;
alter table t1 character set latin2;
show create table t1;
drop table t1;

#
# Bug 2361 (Don't drop UNIQUE with DROP PRIMARY KEY)
#

CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
ALTER TABLE t1 DROP PRIMARY KEY;
SHOW CREATE TABLE t1;
--error ER_CANT_DROP_FIELD_OR_KEY
ALTER TABLE t1 DROP PRIMARY KEY;
DROP TABLE t1;

# BUG#3899
create table t1 (a int, b int, key(a));
insert into t1 values (1,1), (2,2);
--error ER_CANT_DROP_FIELD_OR_KEY
alter table t1 drop key no_such_key;
alter table t1 drop key a;
drop table t1;

#
# BUG 12207 alter table ... discard table space on MyISAM table causes ERROR 2013 (HY000)
#
# Some platforms (Mac OS X, Windows) will send the error message using small letters.
CREATE TABLE T12207(a int) ENGINE=MYISAM;
--replace_result t12207 T12207
--error ER_ILLEGAL_HA
ALTER TABLE T12207 DISCARD TABLESPACE;
DROP TABLE T12207;

#
# Bug #6479  ALTER TABLE ... changing charset fails for TEXT columns
#
# The column's character set was changed but the actual data was not
# modified. In other words, the values were reinterpreted
# as UTF8 instead of being converted.
create table t1 (a text) character set koi8r;
insert into t1 values (_koi8r'ΤΕΣΤ');
select hex(a) from t1;
alter table t1 convert to character set cp1251;
select hex(a) from t1;
drop table t1;

#
# Test for bug #7884 "Able to add invalid unique index on TIMESTAMP prefix"
# MySQL should not think that packed field with non-zero decimals is
# geometry field and allow to create prefix index which is
# shorter than packed field length.
#
create table t1 ( a timestamp );
--error ER_WRONG_SUB_KEY
alter table t1 add unique ( a(1) );
drop table t1;

#
# Bug #24395: ALTER TABLE DISABLE KEYS doesn't work when modifying the table
#
# This problem happens if the data change is compatible.
# Changing to the same type is compatible for example.
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (a int, key(a));
show indexes from t1;
--echo "this used not to disable the index"
alter table t1 modify a int, disable keys;
show indexes from t1;

alter table t1 enable keys;
show indexes from t1;

alter table t1 modify a bigint, disable keys;
show indexes from t1;

alter table t1 enable keys;
show indexes from t1;

alter table t1 add b char(10), disable keys;
show indexes from t1;

alter table t1 add c decimal(10,2), enable keys;
show indexes from t1;

--echo "this however did"
alter table t1 disable keys;
show indexes from t1;

desc t1;

alter table t1 add d decimal(15,5);
--echo "The key should still be disabled"
show indexes from t1;

drop table t1;

--echo "Now will test with one unique index"
create table t1(a int, b char(10), unique(a));
show indexes from t1;
alter table t1 disable keys;
show indexes from t1;
alter table t1 enable keys;

--echo "If no copy on noop change, this won't touch the data file"
--echo "Unique index, no change"
alter table t1 modify a int, disable keys;
show indexes from t1;

--echo "Change the type implying data copy"
--echo "Unique index, no change"
alter table t1 modify a bigint, disable keys;
show indexes from t1;

alter table t1 modify a bigint;
show indexes from t1;

alter table t1 modify a int;
show indexes from t1;

drop table t1;

--echo "Now will test with one unique and one non-unique index"
create table t1(a int, b char(10), unique(a), key(b));
show indexes from t1;
alter table t1 disable keys;
show indexes from t1;
alter table t1 enable keys;


--echo "If no copy on noop change, this won't touch the data file"
--echo "The non-unique index will be disabled"
alter table t1 modify a int, disable keys;
show indexes from t1;
alter table t1 enable keys;
show indexes from t1;

--echo "Change the type implying data copy"
--echo "The non-unique index will be disabled"
alter table t1 modify a bigint, disable keys;
show indexes from t1;

--echo "Change again the type, but leave the indexes as_is"
alter table t1 modify a int;
show indexes from t1;
--echo "Try the same. When data is no copied on similar tables, this is noop"
alter table t1 modify a int;
show indexes from t1;

drop table t1;


#
# Bug#11493 - Alter table rename to default database does not work without
#             db name qualifying
#
create database mysqltest;
create table t1 (c1 int);
# Move table to other database.
alter table t1 rename mysqltest.t1;
# Assure that it has moved.
--error ER_BAD_TABLE_ERROR
drop table t1;
# Move table back.
alter table mysqltest.t1 rename t1;
# Assure that it is back.
drop table t1;
# Now test for correct message if no database is selected.
# Create t1 in 'test'.
create table t1 (c1 int);
# Change to other db.
use mysqltest;
# Drop the current db. This de-selects any db.
drop database mysqltest;
# Now test for correct message.
--error ER_NO_DB_ERROR
alter table test.t1 rename t1;
# Check that explicit qualifying works even with no selected db.
alter table test.t1 rename test.t1;
# Go back to standard 'test' db.
use test;
drop table t1;

#
# BUG#23404 - ROW_FORMAT=FIXED option is lost is an index is added to the
# table
#
CREATE TABLE t1(a INT) ROW_FORMAT=FIXED;
CREATE INDEX i1 ON t1(a);
SHOW CREATE TABLE t1;
DROP INDEX i1 ON t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

#
# Bug#24219 - ALTER TABLE ... RENAME TO ... , DISABLE KEYS leads to crash
#
--disable_warnings
DROP TABLE IF EXISTS bug24219;
DROP TABLE IF EXISTS bug24219_2;
--enable_warnings

CREATE TABLE bug24219 (a INT, INDEX(a));

SHOW INDEX FROM bug24219;

ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;

SHOW INDEX FROM bug24219_2;

DROP TABLE bug24219_2;

#
# Bug#24562 (ALTER TABLE ... ORDER BY ... with complex expression asserts)
#

--disable_warnings
drop table if exists table_24562;
--enable_warnings

create table table_24562(
  section int,
  subsection int,
  title varchar(50));

insert into table_24562 values
(1, 0, "Introduction"),
(1, 1, "Authors"),
(1, 2, "Acknowledgements"),
(2, 0, "Basics"),
(2, 1, "Syntax"),
(2, 2, "Client"),
(2, 3, "Server"),
(3, 0, "Intermediate"),
(3, 1, "Complex queries"),
(3, 2, "Stored Procedures"),
(3, 3, "Stored Functions"),
(4, 0, "Advanced"),
(4, 1, "Replication"),
(4, 2, "Load balancing"),
(4, 3, "High availability"),
(5, 0, "Conclusion");

select * from table_24562;

alter table table_24562 add column reviewer varchar(20),
order by title;

select * from table_24562;

update table_24562 set reviewer="Me" where section=2;
update table_24562 set reviewer="You" where section=3;

alter table table_24562
order by section ASC, subsection DESC;

select * from table_24562;

alter table table_24562
order by table_24562.subsection ASC, table_24562.section DESC;

select * from table_24562;

--error ER_PARSE_ERROR
alter table table_24562 order by 12;
--error ER_PARSE_ERROR
alter table table_24562 order by (section + 12);
--error ER_PARSE_ERROR
alter table table_24562 order by length(title);
--error ER_PARSE_ERROR
alter table table_24562 order by (select 12 from dual);

--error ER_BAD_FIELD_ERROR
alter table table_24562 order by no_such_col;

drop table table_24562;

# End of 4.1 tests

#
# Bug #14693 (ALTER SET DEFAULT doesn't work)
#

create table t1 (mycol int(10) not null);
alter table t1 alter column mycol set default 0;
desc t1;
drop table t1;

#
# Bug#25262 Auto Increment lost when changing Engine type
#

create table t1(id int(8) primary key auto_increment) engine=heap;

insert into t1 values (null);
insert into t1 values (null);

select * from t1;

# Set auto increment to 50
alter table t1 auto_increment = 50;

# Alter to myisam
alter table t1 engine = myisam;

# This insert should get id 50
insert into t1 values (null);
select * from t1;

# Alter to heap again
alter table t1 engine = heap;
insert into t1 values (null);
select * from t1;

drop table t1;

#
# Bug#27507: Wrong DATETIME value was allowed by ALTER TABLE in the
#            NO_ZERO_DATE mode.
#
set @orig_sql_mode = @@sql_mode;
set sql_mode="no_zero_date";
create table t1(f1 int);
alter table t1 add column f2 datetime not null, add column f21 date not null;
insert into t1 values(1,'2000-01-01','2000-01-01');
--error 1292
alter table t1 add column f3 datetime not null;
--error 1292
alter table t1 add column f3 date not null;
--error 1292
alter table t1 add column f4 datetime not null default '2002-02-02',
  add column f41 date not null;
alter table t1 add column f4 datetime not null default '2002-02-02',
  add column f41 date not null default '2002-02-02';
select * from t1;
drop table t1;
set sql_mode= @orig_sql_mode;

#
# Some additional tests for new, faster alter table.  Note that most of the
# whole alter table code is being tested all around the test suite already.
#

create table t1 (v varchar(32));
insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1;
# Fast alter, no copy performed
alter table t1 change v v2 varchar(32);
select * from t1;
# Fast alter, no copy performed
alter table t1 change v2 v varchar(64);
select * from t1;
update t1 set v = 'lmn' where v = 'hij';
select * from t1;
# Regular alter table
alter table t1 add i int auto_increment not null primary key first;
select * from t1;
update t1 set i=5 where i=3;
select * from t1;
alter table t1 change i i bigint;
select * from t1;
alter table t1 add unique key (i, v);
select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
drop table t1;

#
# Bug#6073 "ALTER table minor glich": ALTER TABLE complains that an index
# without # prefix is not allowed for TEXT columns, while index
# is defined with prefix.
# 
create table t1 (t varchar(255) default null, key t (t(80)))
engine=myisam default charset=latin1;
alter table t1 change t t text;
drop table t1;

#
# Bug #26794: Adding an index with a prefix on a SPATIAL type breaks ALTER
# TABLE
#
CREATE TABLE t1 (a varchar(500));

ALTER TABLE t1 ADD b GEOMETRY NOT NULL, ADD SPATIAL INDEX(b);
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD KEY(b(50));
SHOW CREATE TABLE t1;

ALTER TABLE t1 ADD c POINT;
SHOW CREATE TABLE t1;

--error ER_WRONG_SUB_KEY
CREATE TABLE t2 (a INT, KEY (a(20)));

ALTER TABLE t1 ADD d INT;
--error ER_WRONG_SUB_KEY
ALTER TABLE t1 ADD KEY (d(20));

# the 5.1 part of the test
--error ER_WRONG_SUB_KEY
ALTER TABLE t1 ADD e GEOMETRY NOT NULL, ADD SPATIAL KEY (e(30));

DROP TABLE t1;

#
# Bug#18038  MySQL server corrupts binary columns data
#

CREATE TABLE t1 (s CHAR(8) BINARY);
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
ALTER TABLE t1 MODIFY s CHAR(10) BINARY;
SELECT LENGTH(s) FROM t1;
DROP TABLE t1;

CREATE TABLE t1 (s BINARY(8));
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
SELECT HEX(s) FROM t1;
ALTER TABLE t1 MODIFY s BINARY(10);
SELECT HEX(s) FROM t1;
SELECT LENGTH(s) FROM t1;
DROP TABLE t1;

#
# Bug#19386: Multiple alter causes crashed table
# The trailing column would get corrupted data, or server could not even read
# it.
#

CREATE TABLE t1 (v VARCHAR(3), b INT);
INSERT INTO t1 VALUES ('abc', 5);
SELECT * FROM t1;
ALTER TABLE t1 MODIFY COLUMN v VARCHAR(4);
SELECT * FROM t1;
DROP TABLE t1;


#
# Bug#31291 ALTER TABLE CONVERT TO CHARACTER SET does not change some data types
#
create table t1 (a tinytext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
drop table t1;
create table t1 (a mediumtext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
drop table t1;

--echo End of 5.0 tests

#
# Extended test coverage for ALTER TABLE behaviour under LOCK TABLES
# It should be consistent across all platforms and for all engines
# (Before 5.1 this was not true as behavior was different between 
# Unix/Windows and transactional/non-transactional tables).
# See also innodb_mysql.test
#
--disable_warnings
drop table if exists t1, t2, t3;
--enable_warnings
create table t1 (i int);
create table t3 (j int);
insert into t1 values ();
insert into t3 values ();
# Table which is altered under LOCK TABLES it should stay in list of locked
# tables and be available after alter takes place unless ALTER contains RENAME
# clause. We should see the new definition of table, of course.
lock table t1 write, t3 read;
# Example of so-called 'fast' ALTER TABLE
alter table t1 modify i int default 1;
insert into t1 values ();
select * from t1;
# And now full-blown ALTER TABLE
alter table t1 change i c char(10) default "Two";
insert into t1 values ();
select * from t1;
# If table is renamed then it should be removed from the list
# of locked tables. 'Fast' ALTER TABLE with RENAME clause:
alter table t1 modify c char(10) default "Three", rename to t2;
--error ER_TABLE_NOT_LOCKED
select * from t1;
--error ER_TABLE_NOT_LOCKED
select * from t2;
select * from t3;
unlock tables;
insert into t2 values ();
select * from t2;
lock table t2 write, t3 read;
# Full ALTER TABLE with RENAME
alter table t2 change c vc varchar(100) default "Four", rename to t1;
--error ER_TABLE_NOT_LOCKED
select * from t1;
--error ER_TABLE_NOT_LOCKED
select * from t2;
select * from t3;
unlock tables;
insert into t1 values ();
select * from t1;
drop tables t1, t3;


#
# Bug#18775 - Temporary table from alter table visible to other threads
#
# Check if special characters work and duplicates are detected.
--disable_warnings
DROP TABLE IF EXISTS `t+1`, `t+2`;
--enable_warnings
CREATE TABLE `t+1` (c1 INT);
ALTER TABLE  `t+1` RENAME `t+2`;
CREATE TABLE `t+1` (c1 INT);
--error ER_TABLE_EXISTS_ERROR
ALTER TABLE  `t+1` RENAME `t+2`;
DROP TABLE   `t+1`, `t+2`;
#
# Same for temporary tables though these names do not become file names.
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
ALTER TABLE  `tt+1` RENAME `tt+2`;
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
--error ER_TABLE_EXISTS_ERROR
ALTER TABLE  `tt+1` RENAME `tt+2`;
SHOW CREATE TABLE `tt+1`;
SHOW CREATE TABLE `tt+2`;
DROP TABLE   `tt+1`, `tt+2`;
#
# Check if special characters as in tmp_file_prefix work.
CREATE TABLE `#sql1` (c1 INT);
CREATE TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
RENAME TABLE `#sql1`     TO `@0023sql1`;
RENAME TABLE `@0023sql2` TO `#sql2`;
SHOW TABLES;
ALTER TABLE `@0023sql1`  RENAME `#sql-1`;
ALTER TABLE `#sql2`      RENAME `@0023sql-2`;
SHOW TABLES;
INSERT INTO `#sql-1`     VALUES (1);
INSERT INTO `@0023sql-2` VALUES (2);
DROP TABLE `#sql-1`, `@0023sql-2`;
#
# Same for temporary tables though these names do not become file names.
CREATE TEMPORARY TABLE `#sql1` (c1 INT);
CREATE TEMPORARY TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
ALTER TABLE `#sql1`      RENAME `@0023sql1`;
ALTER TABLE `@0023sql2`  RENAME `#sql2`;
SHOW TABLES;
INSERT INTO `#sql2`      VALUES (1);
INSERT INTO `@0023sql1`  VALUES (2);
SHOW CREATE TABLE `#sql2`;
SHOW CREATE TABLE `@0023sql1`;
DROP TABLE `#sql2`, `@0023sql1`;

#
# Bug #22369: Alter table rename combined with other alterations causes lost tables
#
# This problem happens if the data change is compatible.
# Changing to the same type is compatible for example.
#
--disable_warnings
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
--enable_warnings
CREATE TABLE t1 (
  int_field INTEGER UNSIGNED NOT NULL,
  char_field CHAR(10),
  INDEX(`int_field`)
);

DESCRIBE t1;

SHOW INDEXES FROM t1;

INSERT INTO t1 VALUES (1, "edno"), (1, "edno"), (2, "dve"), (3, "tri"), (5, "pet"); 
--echo "Non-copy data change - new frm, but old data and index files"
ALTER TABLE t1
  CHANGE int_field unsigned_int_field INTEGER UNSIGNED NOT NULL,
  RENAME t2;

--error ER_NO_SUCH_TABLE
SELECT * FROM t1 ORDER BY int_field;
SELECT * FROM t2 ORDER BY unsigned_int_field;
DESCRIBE t2;
DESCRIBE t2;
ALTER TABLE t2 MODIFY unsigned_int_field BIGINT UNSIGNED NOT NULL;
DESCRIBE t2;

DROP TABLE t2;

#
# Bug#28427: Columns were renamed instead of moving by ALTER TABLE.
#
CREATE TABLE t1 (f1 INT, f2 INT, f3 INT);
INSERT INTO t1 VALUES (1, 2, NULL);
SELECT * FROM t1;
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f1;
SELECT * FROM t1;
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f2;
SELECT * FROM t1;
DROP TABLE t1;

#
# BUG#29957 - alter_table.test fails
#
create table t1 (c char(10) default "Two");
lock table t1 write;
insert into t1 values ();
alter table t1 modify c char(10) default "Three";
unlock tables;
select * from t1;
check table t1;
drop table t1;

#
# Bug#33873: Fast ALTER TABLE doesn't work with multibyte character sets
#

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (id int, c int) character set latin1;
INSERT INTO t1 VALUES (1,1);
--enable_info
ALTER TABLE t1 CHANGE c d int;
ALTER TABLE t1 CHANGE d c int;
ALTER TABLE t1 MODIFY c VARCHAR(10);
ALTER TABLE t1 CHANGE c d varchar(10);
ALTER TABLE t1 CHANGE d c varchar(10);
--disable_info
DROP TABLE t1;

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (id int, c int) character set utf8;
INSERT INTO t1 VALUES (1,1);
--enable_info
ALTER TABLE t1 CHANGE c d int;
ALTER TABLE t1 CHANGE d c int;
ALTER TABLE t1 MODIFY c VARCHAR(10);
ALTER TABLE t1 CHANGE c d varchar(10);
ALTER TABLE t1 CHANGE d c varchar(10);
--disable_info
DROP TABLE t1;

#
# Bug#39372 "Smart" ALTER TABLE not so smart after all.
#
create table t1(f1 int not null, f2 int not null, key  (f1), key (f2));
let $count= 50;
--disable_query_log
begin;
while ($count)
{
  EVAL insert into t1 values (1,1),(1,1),(1,1),(1,1),(1,1);
  EVAL insert into t1 values (2,2),(2,2),(2,2),(2,2),(2,2);
  dec $count ;
}
commit;
--enable_query_log

select index_length into @unpaked_keys_size from
information_schema.tables where table_name='t1';
alter table t1 pack_keys=1;
select index_length into @paked_keys_size from
information_schema.tables where table_name='t1';
select (@unpaked_keys_size > @paked_keys_size);

select max_data_length into @orig_max_data_length from
information_schema.tables where table_name='t1';
alter table t1 max_rows=100;
select max_data_length into @changed_max_data_length from
information_schema.tables where table_name='t1';
select (@orig_max_data_length > @changed_max_data_length);

drop table t1;

#
# Bug #23113: Different behavior on altering ENUM fields between 5.0 and 5.1
#
CREATE TABLE t1(a INT AUTO_INCREMENT PRIMARY KEY, 
  b ENUM('a', 'b', 'c') NOT NULL);
INSERT INTO t1 (b) VALUES ('a'), ('c'), ('b'), ('b'), ('a');
ALTER TABLE t1 MODIFY b ENUM('a', 'z', 'b', 'c') NOT NULL;
SELECT * FROM t1;
DROP TABLE t1;

#
# Test for ALTER column DROP DEFAULT
#

SET @save_sql_mode=@@sql_mode;
SET sql_mode=strict_all_tables;

CREATE TABLE t1 (a int NOT NULL default 42);
INSERT INTO t1 values ();
SELECT * FROM t1;
ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
--error 1364
INSERT INTO t1 values ();
INSERT INTO t1 (a) VALUES (11);
SELECT * FROM t1 ORDER BY a;
DROP TABLE t1;
SET @@sql_mode=@save_sql_mode;
--echo #
--echo # Bug#45567: Fast ALTER TABLE broken for enum and set
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a ENUM('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
--enable_info
--echo # No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2');
--echo # No copy: Add new enumeration to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a3');
--echo # Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx','a5');
--echo # Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx');
--echo # Copy: Add new enumeration
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx');
--echo # No copy: Add new enumerations to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx','a5','a6');
--disable_info
DROP TABLE t1;

CREATE TABLE t1 (a SET('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
--enable_info
--echo # No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2');
--echo # No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a3');
--echo # Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx','a5');
--echo # Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx');
--echo # Copy: Add new member
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx');
--echo # No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6');
--echo # Copy: Numerical incrase (pack lenght)
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6','a7','a8','a9','a10');
--disable_info
DROP TABLE t1;

#
# Bug#43508: Renaming timestamp or date column triggers table copy
#

CREATE TABLE t1 (f1 TIMESTAMP NULL DEFAULT NULL,
                 f2 INT(11) DEFAULT NULL) ENGINE=MYISAM DEFAULT CHARSET=utf8;

INSERT INTO t1 VALUES (NULL, NULL), ("2009-10-09 11:46:19", 2);

--echo this should affect no rows as there is no real change
--enable_info
ALTER TABLE t1 CHANGE COLUMN f1 f1_no_real_change TIMESTAMP NULL DEFAULT NULL;
--disable_info
DROP TABLE t1;


--echo #
--echo # Bug #31145: ALTER TABLE DROP COLUMN, ADD COLUMN crashes (linux) 
--echo #   or freezes (win) the server
--echo #

CREATE TABLE t1 (a TEXT, id INT, b INT);
ALTER TABLE t1 DROP COLUMN a, ADD COLUMN c TEXT FIRST;

DROP TABLE t1;


--echo #
--echo # Test for bug #12652385 - "61493: REORDERING COLUMNS TO POSITION
--echo #                           FIRST CAN CAUSE DATA TO BE CORRUPTED".
--echo #
--disable_warnings
drop table if exists t1;
--enable_warnings
--echo # Use MyISAM engine as the fact that InnoDB doesn't support
--echo # in-place ALTER TABLE in cases when columns are being renamed
--echo # hides some bugs.
create table t1 (i int, j int) engine=myisam;
insert into t1 value (1, 2);
--echo # First, test for original problem described in the bug report.
select * from t1;
--echo # Change of column order by the below ALTER TABLE statement should
--echo # affect both column names and column contents.
alter table t1 modify column j int first;
select * from t1;
--echo # Now test for similar problem with the same root.
--echo # The below ALTER TABLE should change not only the name but
--echo # also the value for the last column of the table.
alter table t1 drop column i, add column k int default 0;
select * from t1;
--echo # Clean-up.
drop table t1;


--echo End of 5.1 tests

#
# Bug #31031 ALTER TABLE regression in 5.0
#
#  The ALTER TABLE operation failed with 
#  ERROR 1089 (HY000): Incorrect sub part key; ...
#
CREATE TABLE t1(c CHAR(10), 
  i INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY);
INSERT INTO t1 VALUES('a',2),('b',4),('c',6);
ALTER TABLE t1
  DROP i,
  ADD i INT UNSIGNED NOT NULL AUTO_INCREMENT,
  AUTO_INCREMENT = 1;
DROP TABLE t1;


#
# Bug#50542 5.5.x doesn't check length of key prefixes: 
#           corruption and crash results
#
# This case is related to Bug#31031 (above)
# A statement where the index key is larger/wider than
# the column type, should cause an error
#
--error ER_WRONG_SUB_KEY
CREATE TABLE t1 (a CHAR(1), PRIMARY KEY (a(255)));

# Test other variants of creating indices
CREATE TABLE t1 (a CHAR(1));
#  ALTER TABLE
--error ER_WRONG_SUB_KEY
ALTER TABLE t1 ADD PRIMARY KEY (a(20));
--error ER_WRONG_SUB_KEY
ALTER TABLE t1 ADD KEY (a(20));
#  CREATE INDEX
--error ER_WRONG_SUB_KEY
CREATE UNIQUE INDEX i1 ON t1 (a(20));
--error ER_WRONG_SUB_KEY
CREATE INDEX i2 ON t1 (a(20));
# cleanup
DROP TABLE t1;


#
# Bug #45052    ALTER TABLE ADD COLUMN crashes server with multiple foreign key columns
#   The alter table fails if 2 or more new fields added and
#   also added a key with these fields
#
CREATE TABLE t1 (id int);
INSERT INTO t1 VALUES (1), (2);
ALTER TABLE t1 ADD COLUMN (f1 INT), ADD COLUMN (f2 INT), ADD KEY f2k(f2);
DROP TABLE t1;


--echo #
--echo # Test for bug #53820 "ALTER a MEDIUMINT column table causes full
--echo #                      table copy".
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (a INT, b MEDIUMINT);
INSERT INTO t1 VALUES (1, 1), (2, 2);
--echo # The below ALTER should not copy table and so no rows should
--echo # be shown as affected.
--enable_info
ALTER TABLE t1 CHANGE a id INT;
--disable_info
DROP TABLE t1;


--echo #
--echo # Bug#11754461 CANNOT ALTER TABLE WHEN KEY PREFIX TOO LONG
--echo #

--disable_warnings
DROP DATABASE IF EXISTS db1;
--enable_warnings

CREATE DATABASE db1 CHARACTER SET utf8;
CREATE TABLE db1.t1 (bar TINYTEXT, KEY (bar(100)));
ALTER TABLE db1.t1 ADD baz INT;

DROP DATABASE db1;


--echo # Additional coverage for refactoring which is made as part
--echo # of fix for bug #27480 "Extend CREATE TEMPORARY TABLES privilege
--echo # to allow temp table operations".
--echo #
--echo # At some point the below test case failed on assertion.

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TEMPORARY TABLE t1 (i int) ENGINE=MyISAM;

--error ER_ILLEGAL_HA
ALTER TABLE t1 DISCARD TABLESPACE;

DROP TABLE t1;


--echo #
--echo # Bug#11938039 RE-EXECUTION OF FRM-ONLY ALTER TABLE WITH RENAME
--echo #              CLAUSE FAILS OR ABORTS SERVER.
--echo #
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (a int);
prepare stmt1 from 'alter table t1 alter column a set default 1, rename to t2';
execute stmt1;
rename table t2 to t1;
--echo # The below statement should succeed and not emit error or abort server.
execute stmt1;
deallocate prepare stmt1;
drop table t2;

#
# Test of ALTER TABLE IF [NOT] EXISTS
#

CREATE TABLE t1 (
  id INT(11) NOT NULL,
  x_param INT(11) DEFAULT NULL,
  PRIMARY KEY (id)
) ENGINE=MYISAM;

ALTER TABLE t1 ADD COLUMN IF NOT EXISTS id INT,
               ADD COLUMN IF NOT EXISTS lol INT AFTER id;
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;

ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 MODIFY IF EXISTS lol INT;

DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1 (
  id INT(11) NOT NULL,
  x_param INT(11) DEFAULT NULL,
  PRIMARY KEY (id)
) ENGINE=INNODB;

CREATE TABLE t2 (
  id INT(11) NOT NULL) ENGINE=INNODB;

ALTER TABLE t1 ADD COLUMN IF NOT EXISTS id INT,
               ADD COLUMN IF NOT EXISTS lol INT AFTER id;
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;

ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 MODIFY IF EXISTS lol INT;

DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
SHOW CREATE TABLE t1;

ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS fk(id) REFERENCES t1(id);
ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS fk(id) REFERENCES t1(id);
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
SHOW CREATE TABLE t2;
ALTER TABLE t2 ADD FOREIGN KEY (id) REFERENCES t1(id);
ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS t2_ibfk_1(id) REFERENCES t1(id);
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
SHOW CREATE TABLE t2;

DROP TABLE t2;
CREATE TABLE t2 (
  id INT(11) NOT NULL);
ALTER TABLE t2 ADD COLUMN a INT, ADD COLUMN IF NOT EXISTS a INT;
ALTER TABLE t2 ADD KEY k_id(id), ADD KEY IF NOT EXISTS k_id(id);
SHOW CREATE TABLE t2;
ALTER TABLE t2 DROP KEY k_id, DROP KEY IF EXISTS k_id;
ALTER TABLE t2 DROP COLUMN a, DROP COLUMN IF EXISTS a;
SHOW CREATE TABLE t2;

DROP TABLE t2;
DROP TABLE t1;

CREATE TABLE t1 (
    `transaction_id` int(11) NOT NULL DEFAULT '0', 
    KEY `transaction_id` (`transaction_id`));
ALTER TABLE t1 DROP KEY IF EXISTS transaction_id, ADD PRIMARY KEY IF NOT EXISTS (transaction_id);
SHOW CREATE TABLE t1;

DROP TABLE t1;

--echo # Bug#11748057 (formerly known as 34972): ALTER TABLE statement doesn't
--echo #                                         identify correct column name.
--echo #

CREATE TABLE t1 (c1 int unsigned , c2 char(100) not null default '');
ALTER TABLE t1 ADD c3 char(16) NOT NULL DEFAULT '' AFTER c2,
               MODIFY c2 char(100) NOT NULL DEFAULT '' AFTER c1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

--echo #
--echo # WL#5534 Online ALTER, Phase 1
--echo #

--echo # Single thread tests.
--echo # See innodb_mysql_sync.test for multi thread tests.

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1(a INT PRIMARY KEY, b INT) engine=InnoDB;
CREATE TABLE m1(a INT PRIMARY KEY, b INT) engine=MyISAM;
INSERT INTO t1 VALUES (1,1), (2,2);
INSERT INTO m1 VALUES (1,1), (2,2);

--echo #
--echo # 1: Test ALGORITHM keyword
--echo #

--echo # --enable_info allows us to see how many rows were updated
--echo # by ALTER TABLE. in-place will show 0 rows, while copy > 0.

--enable_info
ALTER TABLE t1 ADD INDEX i1(b);
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
--error ER_UNKNOWN_ALTER_ALGORITHM
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= INVALID;

ALTER TABLE m1 ENABLE KEYS;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= DEFAULT;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE;
--disable_info

ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;

--echo #
--echo # 2: Test ALGORITHM + old_alter_table
--echo #

--enable_info
SET SESSION old_alter_table= 1;
ALTER TABLE t1 ADD INDEX i1(b);
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
SET SESSION old_alter_table= 0;
--disable_info

ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;

--echo #
--echo # 3: Test unsupported in-place operation
--echo #

ALTER TABLE t1 ADD COLUMN (c1 INT);
ALTER TABLE t1 ADD COLUMN (c2 INT), ALGORITHM= DEFAULT;
ALTER TABLE t1 ADD COLUMN (c3 INT), ALGORITHM= COPY;
ALTER TABLE t1 ADD COLUMN (c4 INT), ALGORITHM= INPLACE;

ALTER TABLE t1 DROP COLUMN c1, DROP COLUMN c2, DROP COLUMN c3, DROP COLUMN c4;

--echo #
--echo # 4: Test LOCK keyword
--echo #

--enable_info
ALTER TABLE t1 ADD INDEX i1(b), LOCK= DEFAULT;
ALTER TABLE t1 ADD INDEX i2(b), LOCK= NONE;
ALTER TABLE t1 ADD INDEX i3(b), LOCK= SHARED;
ALTER TABLE t1 ADD INDEX i4(b), LOCK= EXCLUSIVE;
--error ER_UNKNOWN_ALTER_LOCK
ALTER TABLE t1 ADD INDEX i5(b), LOCK= INVALID;
--disable_info

ALTER TABLE m1 ENABLE KEYS, LOCK= DEFAULT;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE m1 ENABLE KEYS, LOCK= NONE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE m1 ENABLE KEYS, LOCK= SHARED;
ALTER TABLE m1 ENABLE KEYS, LOCK= EXCLUSIVE;

ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;

--echo #
--echo # 5: Test ALGORITHM + LOCK
--echo #

--enable_info
ALTER TABLE t1 ADD INDEX i1(b), ALGORITHM= INPLACE, LOCK= NONE;
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= INPLACE, LOCK= SHARED;
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= COPY, LOCK= NONE;
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= COPY, LOCK= SHARED;
ALTER TABLE t1 ADD INDEX i6(b), ALGORITHM= COPY, LOCK= EXCLUSIVE;

--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= NONE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= SHARED;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= NONE;
# This works because the lock will be SNW for the copy phase.
# It will still require exclusive lock for actually enabling keys.
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= SHARED;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= EXCLUSIVE;
--disable_info

DROP TABLE t1, m1;

--echo #
--echo # 6: Possible deadlock involving thr_lock.c
--echo #

CREATE TABLE t1(a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);

START TRANSACTION;
INSERT INTO t1 VALUES (3,3);

--echo # Connection con1
connect (con1, localhost, root);
--echo # Sending:
--send ALTER TABLE t1 DISABLE KEYS

--echo # Connection default
connection default;
--echo # Waiting until ALTER TABLE is blocked.
let $wait_condition=
  SELECT COUNT(*) = 1 FROM information_schema.processlist
  WHERE state = "Waiting for table metadata lock" AND
        info = "ALTER TABLE t1 DISABLE KEYS";
--source include/wait_condition.inc
UPDATE t1 SET b = 4;
COMMIT;

--echo # Connection con1
connection con1;
--echo # Reaping: ALTER TABLE t1 DISABLE KEYS
--reap
disconnect con1;
--source include/wait_until_disconnected.inc

--echo # Connection default
connection default;
DROP TABLE t1;

--echo #
--echo # 7: Which operations require copy and which can be done in-place?
--echo #
--echo # Test which ALTER TABLE operations are done in-place and
--echo # which operations are done using temporary table copy.
--echo #
--echo # --enable_info allows us to see how many rows were updated
--echo # by ALTER TABLE. in-place will show 0 rows, while copy > 0.
--echo #

--disable_warnings
DROP TABLE IF EXISTS ti1, ti2, ti3, tm1, tm2, tm3;
--enable_warnings

--echo # Single operation tests

CREATE TABLE ti1(a INT NOT NULL, b INT, c INT) engine=InnoDB;
CREATE TABLE tm1(a INT NOT NULL, b INT, c INT) engine=MyISAM;
CREATE TABLE ti2(a INT PRIMARY KEY AUTO_INCREMENT, b INT, c INT) engine=InnoDB;
CREATE TABLE tm2(a INT PRIMARY KEY AUTO_INCREMENT, b INT, c INT) engine=MyISAM;
INSERT INTO ti1 VALUES (1,1,1), (2,2,2);
INSERT INTO ti2 VALUES (1,1,1), (2,2,2);
INSERT INTO tm1 VALUES (1,1,1), (2,2,2);
INSERT INTO tm2 VALUES (1,1,1), (2,2,2);

--enable_info
ALTER TABLE ti1;
ALTER TABLE tm1;

ALTER TABLE ti1 ADD COLUMN d VARCHAR(200);
ALTER TABLE tm1 ADD COLUMN d VARCHAR(200);
ALTER TABLE ti1 ADD COLUMN d2 VARCHAR(200);
ALTER TABLE tm1 ADD COLUMN d2 VARCHAR(200);
ALTER TABLE ti1 ADD COLUMN e ENUM('a', 'b') FIRST;
ALTER TABLE tm1 ADD COLUMN e ENUM('a', 'b') FIRST;
ALTER TABLE ti1 ADD COLUMN f INT AFTER a;
ALTER TABLE tm1 ADD COLUMN f INT AFTER a;

ALTER TABLE ti1 ADD INDEX ii1(b);
ALTER TABLE tm1 ADD INDEX im1(b);
ALTER TABLE ti1 ADD UNIQUE INDEX ii2 (c);
ALTER TABLE tm1 ADD UNIQUE INDEX im2 (c);
ALTER TABLE ti1 ADD FULLTEXT INDEX ii3 (d);
ALTER TABLE tm1 ADD FULLTEXT INDEX im3 (d);
ALTER TABLE ti1 ADD FULLTEXT INDEX ii4 (d2);
ALTER TABLE tm1 ADD FULLTEXT INDEX im4 (d2);

# Bug#14140038 INCONSISTENT HANDLING OF FULLTEXT INDEXES IN ALTER TABLE
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE ti1 ADD PRIMARY KEY(a), ALGORITHM=INPLACE;
ALTER TABLE ti1 ADD PRIMARY KEY(a);
ALTER TABLE tm1 ADD PRIMARY KEY(a);

ALTER TABLE ti1 DROP INDEX ii3;
ALTER TABLE tm1 DROP INDEX im3;

ALTER TABLE ti1 DROP COLUMN d2;
ALTER TABLE tm1 DROP COLUMN d2;

ALTER TABLE ti1 ADD CONSTRAINT fi1 FOREIGN KEY (b) REFERENCES ti2(a);
ALTER TABLE tm1 ADD CONSTRAINT fm1 FOREIGN KEY (b) REFERENCES tm2(a);

ALTER TABLE ti1 ALTER COLUMN b SET DEFAULT 1;
ALTER TABLE tm1 ALTER COLUMN b SET DEFAULT 1;
ALTER TABLE ti1 ALTER COLUMN b DROP DEFAULT;
ALTER TABLE tm1 ALTER COLUMN b DROP DEFAULT;

# This will set both ALTER_COLUMN_NAME and COLUMN_DEFAULT_VALUE
ALTER TABLE ti1 CHANGE COLUMN f g INT;
ALTER TABLE tm1 CHANGE COLUMN f g INT;
ALTER TABLE ti1 CHANGE COLUMN g h VARCHAR(20);
ALTER TABLE tm1 CHANGE COLUMN g h VARCHAR(20);
ALTER TABLE ti1 MODIFY COLUMN e ENUM('a', 'b', 'c');
ALTER TABLE tm1 MODIFY COLUMN e ENUM('a', 'b', 'c');
ALTER TABLE ti1 MODIFY COLUMN e INT;
ALTER TABLE tm1 MODIFY COLUMN e INT;
# This will set both ALTER_COLUMN_ORDER and COLUMN_DEFAULT_VALUE
ALTER TABLE ti1 MODIFY COLUMN e INT AFTER h;
ALTER TABLE tm1 MODIFY COLUMN e INT AFTER h;
ALTER TABLE ti1 MODIFY COLUMN e INT FIRST;
ALTER TABLE tm1 MODIFY COLUMN e INT FIRST;
# This will set both ALTER_COLUMN_NOT_NULLABLE and COLUMN_DEFAULT_VALUE
--disable_info
# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
SET @orig_sql_mode = @@sql_mode;
SET @@sql_mode = 'STRICT_TRANS_TABLES';
--enable_info
ALTER TABLE ti1 MODIFY COLUMN c INT NOT NULL;
--disable_info
SET @@sql_mode = @orig_sql_mode;
--enable_info
ALTER TABLE tm1 MODIFY COLUMN c INT NOT NULL;
# This will set both ALTER_COLUMN_NULLABLE and COLUMN_DEFAULT_VALUE
ALTER TABLE ti1 MODIFY COLUMN c INT NULL;
ALTER TABLE tm1 MODIFY COLUMN c INT NULL;
# This will set both ALTER_COLUMN_EQUAL_PACK_LENGTH and COLUMN_DEFAULT_VALUE
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30);
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30);
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30) AFTER d;
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30) AFTER d;

ALTER TABLE ti1 DROP COLUMN h;
ALTER TABLE tm1 DROP COLUMN h;

ALTER TABLE ti1 DROP INDEX ii2;
ALTER TABLE tm1 DROP INDEX im2;
ALTER TABLE ti1 DROP PRIMARY KEY;
ALTER TABLE tm1 DROP PRIMARY KEY;

ALTER TABLE ti1 DROP FOREIGN KEY fi1;
ALTER TABLE tm1 DROP FOREIGN KEY fm1;

ALTER TABLE ti1 RENAME TO ti3;
ALTER TABLE tm1 RENAME TO tm3;
ALTER TABLE ti3 RENAME TO ti1;
ALTER TABLE tm3 RENAME TO tm1;

ALTER TABLE ti1 ORDER BY b;
ALTER TABLE tm1 ORDER BY b;

ALTER TABLE ti1 CONVERT TO CHARACTER SET utf16;
ALTER TABLE tm1 CONVERT TO CHARACTER SET utf16;
ALTER TABLE ti1 DEFAULT CHARACTER SET utf8;
ALTER TABLE tm1 DEFAULT CHARACTER SET utf8;

ALTER TABLE ti1 FORCE;
ALTER TABLE tm1 FORCE;

ALTER TABLE ti1 AUTO_INCREMENT 3;
ALTER TABLE tm1 AUTO_INCREMENT 3;
ALTER TABLE ti1 AVG_ROW_LENGTH 10;
ALTER TABLE tm1 AVG_ROW_LENGTH 10;
ALTER TABLE ti1 CHECKSUM 1;
ALTER TABLE tm1 CHECKSUM 1;
ALTER TABLE ti1 COMMENT 'test';
ALTER TABLE tm1 COMMENT 'test';
ALTER TABLE ti1 MAX_ROWS 100;
ALTER TABLE tm1 MAX_ROWS 100;
ALTER TABLE ti1 MIN_ROWS 1;
ALTER TABLE tm1 MIN_ROWS 1;
ALTER TABLE ti1 PACK_KEYS 1;
ALTER TABLE tm1 PACK_KEYS 1;

--disable_info
DROP TABLE ti1, ti2, tm1, tm2;

--echo # Tests of >1 operation (InnoDB)

CREATE TABLE ti1(a INT PRIMARY KEY AUTO_INCREMENT, b INT) engine=InnoDB;
INSERT INTO ti1(b) VALUES (1), (2);

--enable_info
ALTER TABLE ti1 RENAME TO ti3, ADD INDEX ii1(b);

ALTER TABLE ti3 DROP INDEX ii1, AUTO_INCREMENT 5;
--disable_info
INSERT INTO ti3(b) VALUES (5);
--enable_info
ALTER TABLE ti3 ADD INDEX ii1(b), AUTO_INCREMENT 7;
--disable_info
INSERT INTO ti3(b) VALUES (7);
SELECT * FROM ti3;

DROP TABLE ti3;

--echo #
--echo # 8: Scenario in which ALTER TABLE was returning an unwarranted
--echo #    ER_ILLEGAL_HA error at some point during work on this WL.
--echo #

CREATE TABLE tm1(i INT DEFAULT 1) engine=MyISAM;
ALTER TABLE tm1 ADD INDEX ii1(i), ALTER COLUMN i DROP DEFAULT;
DROP TABLE tm1;

#
# MDEV-4435 Server crashes in my_strcasecmp_utf8 on ADD KEY IF NOT EXISTS with implicit name when the key exists.
#
create table if not exists t1 (i int);
alter table t1 add key (i);
alter table t1 add key if not exists (i);
DROP TABLE t1;

#
# MDEV-4436 CHANGE COLUMN IF EXISTS does not work and throws wrong warning.
#
create table t1 (a int);
alter table t1 change column if exists a b bigint;
show create table t1;
DROP TABLE t1;

#
# MDEV-4437 ALTER TABLE .. ADD UNIQUE INDEX IF NOT EXISTS causes syntax error.
#

create table t1 (i int);
alter table t1 add unique index if not exists idx(i);
alter table t1 add unique index if not exists idx(i);
show create table t1;
DROP TABLE t1;

#
# MDEV-8358 ADD PRIMARY KEY IF NOT EXISTS -> ERROR 1068 (42000): Multiple primary key
#

CREATE TABLE t1 (
   `event_id` bigint(20) unsigned NOT NULL DEFAULT '0',
   `market_id` bigint(20) unsigned NOT NULL DEFAULT '0',
 PRIMARY KEY (`event_id`,`market_id`)
 );
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS event_id (event_id,market_id);
DROP TABLE t1;

--echo #
--echo # MDEV-11126 Crash while altering persistent virtual column
--echo #

CREATE TABLE `tab1` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `field2` set('option1','option2','option3','option4') NOT NULL,
  `field3` set('option1','option2','option3','option4','option5') NOT NULL,
  `field4` set('option1','option2','option3','option4') NOT NULL,
  `field5` varchar(32) NOT NULL,
  `field6` varchar(32) NOT NULL,
  `field7` varchar(32) NOT NULL,
  `field8` varchar(32) NOT NULL,
  `field9` int(11) NOT NULL DEFAULT '1',
  `field10` varchar(16) NOT NULL,
  `field11` enum('option1','option2','option3') NOT NULL DEFAULT 'option1',
  `v_col` varchar(128) AS (IF(field11='option1',CONCAT_WS(":","field1",field2,field3,field4,field5,field6,field7,field8,field9,field10), CONCAT_WS(":","field1",field11,field2,field3,field4,field5,field6,field7,field8,field9,field10))) PERSISTENT,
  PRIMARY KEY (`id`)
) DEFAULT CHARSET=latin1;

ALTER TABLE `tab1` CHANGE COLUMN v_col `v_col` varchar(128);
SHOW CREATE TABLE `tab1`;
ALTER TABLE `tab1` CHANGE COLUMN v_col `v_col` varchar(128) AS (IF(field11='option1',CONCAT_WS(":","field1",field2,field3,field4,field5,field6,field7,field8,field9,field10), CONCAT_WS(":","field1",field11,field2,field3,field4,field5,field6,field7,field8,field9,field10))) PERSISTENT;
SHOW CREATE TABLE `tab1`;
DROP TABLE `tab1`;

--echo #
--echo # MDEV-11548 Reproducible server crash after the 2nd ALTER TABLE ADD FOREIGN KEY IF NOT EXISTS
--echo #
 
CREATE TABLE t1 (id INT UNSIGNED NOT NULL PRIMARY KEY);
CREATE TABLE t2 (id1 INT UNSIGNED NOT NULL);
 
ALTER TABLE t2
ADD FOREIGN KEY IF NOT EXISTS (id1)
  REFERENCES t1 (id);
   
ALTER TABLE t2
ADD FOREIGN KEY IF NOT EXISTS (id1)
REFERENCES t1 (id);

DROP TABLE t2;
DROP TABLE t1;