summaryrefslogtreecommitdiff
path: root/mysql-test/main/alter_table.result
blob: cb3783eca5a117d6610e22d86f14d4de9402d48f (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
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
drop table if exists t1,t2;
drop database if exists mysqltest;
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;
col6	col1	col3	fourth	col4	col4_5	col5	col7	col8
1	2	3	4	5		PENDING		0000-00-00 00:00:00
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;
bandID	payoutID	new_col
6	1	NULL
3	4	NULL
1	6	NULL
2	6	NULL
4	9	NULL
5	10	NULL
7	12	NULL
8	12	NULL
alter table t1 order by bandid,payoutid;
select * from t1;
bandID	payoutID	new_col
1	6	NULL
2	6	NULL
3	4	NULL
4	9	NULL
5	10	NULL
6	1	NULL
7	12	NULL
8	12	NULL
drop table t1;
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));
ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
SHOW FULL COLUMNS FROM t1;
Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
GROUP_ID	int(10) unsigned	NULL	NO	PRI	0		#	
LANG_ID	smallint(5) unsigned	NULL	NO	PRI	0		#	
NAME	char(80)	latin1_swedish_ci	NO	MUL	NULL		#	
DROP TABLE t1;
create table t1 (n int);
insert into t1 values(9),(3),(12),(10);
alter table t1 order by n;
select * from t1;
n
3
9
10
12
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;
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;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
DROP TABLE t1;
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;
i
1
2
3
4
drop table t1;
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;
name
current
select * from mysqltest.t1;
name
mysqltest
alter table t1 rename mysqltest.t1;
ERROR 42S01: Table 't1' already exists
select * from t1;
name
current
select * from mysqltest.t1;
name
mysqltest
drop table t1;
drop database mysqltest;
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;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	n1	1	n1	A	0	NULL	NULL		BTREE		
t1	1	n1_2	1	n1	A	NULL	NULL	NULL		BTREE	disabled	
t1	1	n1_2	2	n2	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n1_2	3	n3	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n1_2	4	n4	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n2	1	n2	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n2	2	n3	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n2	3	n4	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n2	4	n1	A	NULL	NULL	NULL		BTREE	disabled	
t1	1	n3	1	n3	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n3	2	n4	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n3	3	n1	A	NULL	NULL	NULL		BTREE	disabled	
t1	1	n3	4	n2	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n4	1	n4	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n4	2	n1	A	NULL	NULL	NULL		BTREE	disabled	
t1	1	n4	3	n2	A	NULL	NULL	NULL	YES	BTREE	disabled	
t1	1	n4	4	n3	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 enable keys;
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	n1	1	n1	A	10	NULL	NULL		BTREE		
t1	1	n1_2	1	n1	A	10	NULL	NULL		BTREE		
t1	1	n1_2	2	n2	A	10	NULL	NULL	YES	BTREE		
t1	1	n1_2	3	n3	A	10	NULL	NULL	YES	BTREE		
t1	1	n1_2	4	n4	A	10	NULL	NULL	YES	BTREE		
t1	1	n2	1	n2	A	10	NULL	NULL	YES	BTREE		
t1	1	n2	2	n3	A	10	NULL	NULL	YES	BTREE		
t1	1	n2	3	n4	A	10	NULL	NULL	YES	BTREE		
t1	1	n2	4	n1	A	10	NULL	NULL		BTREE		
t1	1	n3	1	n3	A	10	NULL	NULL	YES	BTREE		
t1	1	n3	2	n4	A	10	NULL	NULL	YES	BTREE		
t1	1	n3	3	n1	A	10	NULL	NULL		BTREE		
t1	1	n3	4	n2	A	10	NULL	NULL	YES	BTREE		
t1	1	n4	1	n4	A	10	NULL	NULL	YES	BTREE		
t1	1	n4	2	n1	A	10	NULL	NULL		BTREE		
t1	1	n4	3	n2	A	10	NULL	NULL	YES	BTREE		
t1	1	n4	4	n3	A	10	NULL	NULL	YES	BTREE		
drop table t1;
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;
Field	Type	Null	Key	Default	Extra
i	int(10) unsigned	NO	PRI	NULL	auto_increment
c	char(10)	YES		NULL	
drop table t1;
create table t1 (a int, b int);
alter table t1 add unique (a,b), add key (b);
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	3	NULL	NULL	YES	BTREE		
t1	0	a	2	b	A	300	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	100	NULL	NULL	YES	BTREE		
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Table is already up to date
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	3	NULL	NULL	YES	BTREE		
t1	0	a	2	b	A	300	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	100	NULL	NULL	YES	BTREE		
drop table t1;
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;
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;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE		
ALTER TABLE t1 ENABLE KEYS;
UNLOCK TABLES;
CHECK TABLES t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
DROP TABLE t1;
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;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled	
LOCK TABLES t1 WRITE;
INSERT INTO t1 VALUES ('localhost','root'),('localhost','');
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled	
ALTER TABLE t1 ENABLE KEYS;
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	2	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	1	NULL	NULL		BTREE		
UNLOCK TABLES;
CHECK TABLES t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
LOCK TABLES t1 WRITE;
ALTER TABLE t1 RENAME t2;
UNLOCK TABLES;
select * from t2;
Host	User
localhost	
localhost	root
DROP TABLE t2;
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;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled	
DROP TABLE t1;
create table t1 (a int);
alter table t1 rename to ``;
ERROR 42000: Incorrect table name ''
rename table t1 to ``;
ERROR 42000: Incorrect table name ''
drop table t1;
drop table if exists t1, t2;
Warnings:
Note	1051	Unknown table 'test.t1'
Note	1051	Unknown table 'test.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;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`)
flush tables;
alter table t1 modify a varchar(10) not null;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`)
drop table if exists t1, t2;
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 ignore into t1 (a) values(1);
Warnings:
Warning	1364	Field 'b' doesn't have a default value
Warning	1364	Field 'c' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'e' doesn't have a default value
Warning	1364	Field 'f' doesn't have a default value
Warning	1364	Field 'g' doesn't have a default value
Warning	1364	Field 'h' doesn't have a default value
Warning	1364	Field 'i' doesn't have a default value
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	1	37	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL			X	N
alter table t1 modify a int;
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	1	37	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL			X	N
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 ignore into t1 (a) values(1);
Warnings:
Warning	1364	Field 'b' doesn't have a default value
Warning	1364	Field 'c' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'e' doesn't have a default value
Warning	1364	Field 'f' doesn't have a default value
Warning	1364	Field 'g' doesn't have a default value
Warning	1364	Field 'h' doesn't have a default value
Warning	1364	Field 'i' doesn't have a default value
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	1	37	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL			X	N
drop table t1;
set names koi8r;
create table t1 (a char(10) character set koi8r);
insert into t1 values ('ÔÅÓÔ');
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	D4C5D3D4
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	F2E5F1F2
alter table t1 change a a binary(4);
select a,hex(a) from t1;
a	hex(a)
òåñò	F2E5F1F2
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	D4C5D3D4
alter table t1 change a a varchar(10) character set cp1251;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	D4C5D3D4
alter table t1 change a a text character set cp1251;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a	hex(a)
ÔÅÓÔ	D4C5D3D4
delete from t1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) CHARACTER SET koi8r DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 DEFAULT CHARACTER SET latin1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) CHARACTER SET koi8r DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 CONVERT TO CHARACTER SET latin1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 DEFAULT CHARACTER SET cp1251;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) CHARACTER SET latin1 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=cp1251
drop table t1;
create table t1 (myblob longblob,mytext longtext) 
default charset latin1 collate latin1_general_cs;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `myblob` longblob DEFAULT NULL,
  `mytext` longtext COLLATE latin1_general_cs DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs
alter table t1 character set latin2;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `myblob` longblob DEFAULT NULL,
  `mytext` longtext CHARACTER SET latin1 COLLATE latin1_general_cs DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin2
drop table t1;
CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
ALTER TABLE t1 DROP PRIMARY KEY;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  UNIQUE KEY `b` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 DROP PRIMARY KEY;
ERROR 42000: Can't DROP INDEX `PRIMARY`; check that it exists
DROP TABLE t1;
create table t1 (a int, b int, key(a));
insert into t1 values (1,1), (2,2);
alter table t1 drop key no_such_key;
ERROR 42000: Can't DROP INDEX `no_such_key`; check that it exists
alter table t1 drop key a;
drop table t1;
CREATE TABLE T12207(a int) ENGINE=MYISAM;
ALTER TABLE T12207 DISCARD TABLESPACE;
ERROR HY000: Storage engine MyISAM of the table `test`.`T12207` doesn't have this option
DROP TABLE T12207;
create table t1 (a text) character set koi8r;
insert into t1 values (_koi8r'ÔÅÓÔ');
select hex(a) from t1;
hex(a)
D4C5D3D4
alter table t1 convert to character set cp1251;
select hex(a) from t1;
hex(a)
F2E5F1F2
drop table t1;
create table t1 ( a timestamp );
alter table t1 add unique ( a(1) );
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
drop table t1;
drop table if exists t1;
create table t1 (a int, key(a));
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
"this used not to disable the index"
alter table t1 modify a int, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 enable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 modify a bigint, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 enable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 add b char(10), disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 add c decimal(10,2), enable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
"this however did"
alter table t1 disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
desc t1;
Field	Type	Null	Key	Default	Extra
a	bigint(20)	YES	MUL	NULL	
b	char(10)	YES		NULL	
c	decimal(10,2)	YES		NULL	
alter table t1 add d decimal(15,5);
"The key should still be disabled"
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
drop table t1;
"Now will test with one unique index"
create table t1(a int, b char(10), unique(a));
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
"If no copy on noop change, this won't touch the data file"
"Unique index, no change"
alter table t1 modify a int, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
"Change the type implying data copy"
"Unique index, no change"
alter table t1 modify a bigint, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 modify a bigint;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
drop table t1;
"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;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE		
alter table t1 disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 enable keys;
"If no copy on noop change, this won't touch the data file"
"The non-unique index will be disabled"
alter table t1 modify a int, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE	disabled	
alter table t1 enable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE		
"Change the type implying data copy"
"The non-unique index will be disabled"
alter table t1 modify a bigint, disable keys;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE	disabled	
"Change again the type, but leave the indexes as_is"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE	disabled	
"Try the same. When data is no copied on similar tables, this is noop"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE	disabled	
drop table t1;
create database mysqltest;
create table t1 (c1 int);
alter table t1 rename mysqltest.t1;
drop table t1;
ERROR 42S02: Unknown table 'test.t1'
alter table mysqltest.t1 rename t1;
drop table t1;
create table t1 (c1 int);
use mysqltest;
drop database mysqltest;
alter table test.t1 rename t1;
ERROR 3D000: No database selected
alter table test.t1 rename test.t1;
use test;
drop table t1;
CREATE TABLE t1(a INT) ROW_FORMAT=FIXED;
CREATE INDEX i1 ON t1(a);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  KEY `i1` (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED
DROP INDEX i1 ON t1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED
DROP TABLE t1;
DROP TABLE IF EXISTS bug24219;
DROP TABLE IF EXISTS bug24219_2;
CREATE TABLE bug24219 (a INT, INDEX(a));
SHOW INDEX FROM bug24219;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
bug24219	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;
SHOW INDEX FROM bug24219_2;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
bug24219_2	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE	disabled	
DROP TABLE bug24219_2;
drop table if exists table_24562;
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;
section	subsection	title
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
alter table table_24562 add column reviewer varchar(20),
order by title;
select * from table_24562;
section	subsection	title	reviewer
1	2	Acknowledgements	NULL
4	0	Advanced	NULL
1	1	Authors	NULL
2	0	Basics	NULL
2	2	Client	NULL
3	1	Complex queries	NULL
5	0	Conclusion	NULL
4	3	High availability	NULL
3	0	Intermediate	NULL
1	0	Introduction	NULL
4	2	Load balancing	NULL
4	1	Replication	NULL
2	3	Server	NULL
3	3	Stored Functions	NULL
3	2	Stored Procedures	NULL
2	1	Syntax	NULL
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;
section	subsection	title	reviewer
1	2	Acknowledgements	NULL
1	1	Authors	NULL
1	0	Introduction	NULL
2	3	Server	Me
2	2	Client	Me
2	1	Syntax	Me
2	0	Basics	Me
3	3	Stored Functions	You
3	2	Stored Procedures	You
3	1	Complex queries	You
3	0	Intermediate	You
4	3	High availability	NULL
4	2	Load balancing	NULL
4	1	Replication	NULL
4	0	Advanced	NULL
5	0	Conclusion	NULL
alter table table_24562
order by table_24562.subsection ASC, table_24562.section DESC;
select * from table_24562;
section	subsection	title	reviewer
5	0	Conclusion	NULL
4	0	Advanced	NULL
3	0	Intermediate	You
2	0	Basics	Me
1	0	Introduction	NULL
4	1	Replication	NULL
3	1	Complex queries	You
2	1	Syntax	Me
1	1	Authors	NULL
4	2	Load balancing	NULL
3	2	Stored Procedures	You
2	2	Client	Me
1	2	Acknowledgements	NULL
4	3	High availability	NULL
3	3	Stored Functions	You
2	3	Server	Me
alter table table_24562 order by 12;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '12' at line 1
alter table table_24562 order by (section + 12);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(section + 12)' at line 1
alter table table_24562 order by length(title);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(title)' at line 1
alter table table_24562 order by (select 12 from dual);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select 12 from dual)' at line 1
alter table table_24562 order by no_such_col;
ERROR 42S22: Unknown column 'no_such_col' in 'order clause'
drop table table_24562;
create table t1 (mycol int(10) not null);
alter table t1 alter column mycol set default 0;
desc t1;
Field	Type	Null	Key	Default	Extra
mycol	int(10)	NO		0	
drop table t1;
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;
id
1
2
alter table t1 auto_increment = 50;
alter table t1 engine = myisam;
insert into t1 values (null);
select * from t1;
id
1
2
50
alter table t1 engine = heap;
insert into t1 values (null);
select * from t1;
id
1
2
50
51
drop table t1;
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');
alter table t1 add column f3 datetime not null;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column 'f3' at row 1
alter table t1 add column f3 date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column 'f3' at row 1
alter table t1 add column f4 datetime not null default '2002-02-02',
add column f41 date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column 'f41' at row 1
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;
f1	f2	f21	f4	f41
1	2000-01-01 00:00:00	2000-01-01	2002-02-02 00:00:00	2002-02-02
drop table t1;
set sql_mode= @orig_sql_mode;
create table t1 (v varchar(32));
insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1;
v
def
abc
hij
3r4f
alter table t1 change v v2 varchar(32);
select * from t1;
v2
def
abc
hij
3r4f
alter table t1 change v2 v varchar(64);
select * from t1;
v
def
abc
hij
3r4f
update t1 set v = 'lmn' where v = 'hij';
select * from t1;
v
def
abc
lmn
3r4f
alter table t1 add i int auto_increment not null primary key first;
select * from t1;
i	v
1	def
2	abc
3	lmn
4	3r4f
update t1 set i=5 where i=3;
select * from t1;
i	v
1	def
2	abc
5	lmn
4	3r4f
alter table t1 change i i bigint;
select * from t1;
i	v
1	def
2	abc
5	lmn
4	3r4f
alter table t1 add unique key (i, v);
select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
i	v
4	3r4f
drop table t1;
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;
CREATE TABLE t1 (a varchar(500));
ALTER TABLE t1 ADD b GEOMETRY NOT NULL, ADD SPATIAL INDEX(b);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(500) DEFAULT NULL,
  `b` geometry NOT NULL,
  SPATIAL KEY `b` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD KEY(b(50));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(500) DEFAULT NULL,
  `b` geometry NOT NULL,
  SPATIAL KEY `b` (`b`),
  KEY `b_2` (`b`(50))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD c POINT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(500) DEFAULT NULL,
  `b` geometry NOT NULL,
  `c` point DEFAULT NULL,
  SPATIAL KEY `b` (`b`),
  KEY `b_2` (`b`(50))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
CREATE TABLE t2 (a INT, KEY (a(20)));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
ALTER TABLE t1 ADD d INT;
ALTER TABLE t1 ADD KEY (d(20));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
ALTER TABLE t1 ADD e GEOMETRY NOT NULL, ADD SPATIAL KEY (e(30));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
DROP TABLE t1;
CREATE TABLE t1 (s CHAR(8) BINARY);
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
ALTER TABLE t1 MODIFY s CHAR(10) BINARY;
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
DROP TABLE t1;
CREATE TABLE t1 (s BINARY(8));
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
8
SELECT HEX(s) FROM t1;
HEX(s)
7465737400000000
ALTER TABLE t1 MODIFY s BINARY(10);
SELECT HEX(s) FROM t1;
HEX(s)
74657374000000000000
SELECT LENGTH(s) FROM t1;
LENGTH(s)
10
DROP TABLE t1;
CREATE TABLE t1 (v VARCHAR(3), b INT);
INSERT INTO t1 VALUES ('abc', 5);
SELECT * FROM t1;
v	b
abc	5
ALTER TABLE t1 MODIFY COLUMN v VARCHAR(4);
SELECT * FROM t1;
v	b
abc	5
DROP TABLE t1;
create table t1 (a tinytext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
drop table t1;
create table t1 (a mediumtext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
drop table t1;
End of 5.0 tests
drop table if exists t1, t2, t3;
create table t1 (i int);
create table t3 (j int);
insert into t1 values ();
insert into t3 values ();
lock table t1 write, t3 read;
alter table t1 modify i int default 1;
insert into t1 values ();
select * from t1;
i
NULL
1
alter table t1 change i c char(10) default "Two";
insert into t1 values ();
select * from t1;
c
NULL
1
Two
alter table t1 modify c char(10) default "Three", rename to t2;
select * from t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
select * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
select * from t3;
j
NULL
unlock tables;
insert into t2 values ();
select * from t2;
c
NULL
1
Two
Three
lock table t2 write, t3 read;
alter table t2 change c vc varchar(100) default "Four", rename to t1;
select * from t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
select * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
select * from t3;
j
NULL
unlock tables;
insert into t1 values ();
select * from t1;
vc
NULL
1
Two
Three
Four
drop tables t1, t3;
DROP TABLE IF EXISTS `t+1`, `t+2`;
CREATE TABLE `t+1` (c1 INT);
ALTER TABLE  `t+1` RENAME `t+2`;
CREATE TABLE `t+1` (c1 INT);
ALTER TABLE  `t+1` RENAME `t+2`;
ERROR 42S01: Table 't+2' already exists
DROP TABLE   `t+1`, `t+2`;
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
ALTER TABLE  `tt+1` RENAME `tt+2`;
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
ALTER TABLE  `tt+1` RENAME `tt+2`;
ERROR 42S01: Table 'tt+2' already exists
SHOW CREATE TABLE `tt+1`;
Table	Create Table
tt+1	CREATE TEMPORARY TABLE `tt+1` (
  `c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SHOW CREATE TABLE `tt+2`;
Table	Create Table
tt+2	CREATE TEMPORARY TABLE `tt+2` (
  `c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE   `tt+1`, `tt+2`;
CREATE TABLE `#sql1` (c1 INT);
CREATE TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
Tables_in_test
#sql1
@0023sql2
RENAME TABLE `#sql1`     TO `@0023sql1`;
RENAME TABLE `@0023sql2` TO `#sql2`;
SHOW TABLES;
Tables_in_test
#sql2
@0023sql1
ALTER TABLE `@0023sql1`  RENAME `#sql-1`;
ALTER TABLE `#sql2`      RENAME `@0023sql-2`;
SHOW TABLES;
Tables_in_test
#sql-1
@0023sql-2
INSERT INTO `#sql-1`     VALUES (1);
INSERT INTO `@0023sql-2` VALUES (2);
DROP TABLE `#sql-1`, `@0023sql-2`;
CREATE TEMPORARY TABLE `#sql1` (c1 INT);
CREATE TEMPORARY TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
Tables_in_test
ALTER TABLE `#sql1`      RENAME `@0023sql1`;
ALTER TABLE `@0023sql2`  RENAME `#sql2`;
SHOW TABLES;
Tables_in_test
INSERT INTO `#sql2`      VALUES (1);
INSERT INTO `@0023sql1`  VALUES (2);
SHOW CREATE TABLE `#sql2`;
Table	Create Table
#sql2	CREATE TEMPORARY TABLE `#sql2` (
  `c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SHOW CREATE TABLE `@0023sql1`;
Table	Create Table
@0023sql1	CREATE TEMPORARY TABLE `@0023sql1` (
  `c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE `#sql2`, `@0023sql1`;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
int_field INTEGER UNSIGNED NOT NULL,
char_field CHAR(10),
INDEX(`int_field`)
);
DESCRIBE t1;
Field	Type	Null	Key	Default	Extra
int_field	int(10) unsigned	NO	MUL	NULL	
char_field	char(10)	YES		NULL	
SHOW INDEXES FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	int_field	1	int_field	A	NULL	NULL	NULL		BTREE		
INSERT INTO t1 VALUES (1, "edno"), (1, "edno"), (2, "dve"), (3, "tri"), (5, "pet");
"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;
SELECT * FROM t1 ORDER BY int_field;
ERROR 42S02: Table 'test.t1' doesn't exist
SELECT * FROM t2 ORDER BY unsigned_int_field;
unsigned_int_field	char_field
1	edno
1	edno
2	dve
3	tri
5	pet
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	int(10) unsigned	NO	MUL	NULL	
char_field	char(10)	YES		NULL	
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	int(10) unsigned	NO	MUL	NULL	
char_field	char(10)	YES		NULL	
ALTER TABLE t2 MODIFY unsigned_int_field BIGINT UNSIGNED NOT NULL;
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	bigint(20) unsigned	NO	MUL	NULL	
char_field	char(10)	YES		NULL	
DROP TABLE t2;
CREATE TABLE t1 (f1 INT, f2 INT, f3 INT);
INSERT INTO t1 VALUES (1, 2, NULL);
SELECT * FROM t1;
f1	f2	f3
1	2	NULL
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f1;
SELECT * FROM t1;
f1	f3	f2
1	NULL	2
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f2;
SELECT * FROM t1;
f1	f2	f3
1	2	NULL
DROP TABLE t1;
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;
c
Two
check table t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
drop table t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id int, c int) character set latin1;
INSERT INTO t1 VALUES (1,1);
ALTER TABLE t1 CHANGE c d int;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE d c int;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 MODIFY c VARCHAR(10);
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE c d varchar(10);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE d c varchar(10);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id int, c int) character set utf8;
INSERT INTO t1 VALUES (1,1);
ALTER TABLE t1 CHANGE c d int;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE d c int;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 MODIFY c VARCHAR(10);
affected rows: 1
info: Records: 1  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE c d varchar(10);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 CHANGE d c varchar(10);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t1;
create table t1(f1 int not null, f2 int not null, key  (f1), key (f2));
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);
(@unpaked_keys_size > @paked_keys_size)
1
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);
(@orig_max_data_length > @changed_max_data_length)
1
drop table t1;
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;
a	b
1	a
2	c
3	b
4	b
5	a
DROP TABLE t1;
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;
a
42
ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
INSERT INTO t1 values ();
ERROR HY000: Field 'a' doesn't have a default value
INSERT INTO t1 (a) VALUES (11);
SELECT * FROM t1 ORDER BY a;
a
11
42
DROP TABLE t1;
SET @@sql_mode=@save_sql_mode;
#
# Bug#45567: Fast ALTER TABLE broken for enum and set
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a ENUM('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
# No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
# No copy: Add new enumeration to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a3');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
# Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx','a5');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# Copy: Add new enumeration
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# No copy: Add new enumerations to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx','a5','a6');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t1;
CREATE TABLE t1 (a SET('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
# No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
# No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a3');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
# Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx','a5');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# Copy: Add new member
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
# No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
# Copy: Numerical incrase (pack lenght)
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6','a7','a8','a9','a10');
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
DROP TABLE t1;
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);
this should affect no rows as there is no real change
ALTER TABLE t1 CHANGE COLUMN f1 f1_no_real_change TIMESTAMP NULL DEFAULT NULL;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t1;
#
# Bug #31145: ALTER TABLE DROP COLUMN, ADD COLUMN crashes (linux) 
#   or freezes (win) the server
#
CREATE TABLE t1 (a TEXT, id INT, b INT);
ALTER TABLE t1 DROP COLUMN a, ADD COLUMN c TEXT FIRST;
DROP TABLE t1;
#
# Test for bug #12652385 - "61493: REORDERING COLUMNS TO POSITION
#                           FIRST CAN CAUSE DATA TO BE CORRUPTED".
#
drop table if exists t1;
# Use MyISAM engine as the fact that InnoDB doesn't support
# in-place ALTER TABLE in cases when columns are being renamed
# hides some bugs.
create table t1 (i int, j int) engine=myisam;
insert into t1 value (1, 2);
# First, test for original problem described in the bug report.
select * from t1;
i	j
1	2
# Change of column order by the below ALTER TABLE statement should
# affect both column names and column contents.
alter table t1 modify column j int first;
select * from t1;
j	i
2	1
# Now test for similar problem with the same root.
# The below ALTER TABLE should change not only the name but
# 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;
j	k
2	0
# Clean-up.
drop table t1;
End of 5.1 tests
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;
CREATE TABLE t1 (a CHAR(1), PRIMARY KEY (a(255)));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
CREATE TABLE t1 (a CHAR(1));
ALTER TABLE t1 ADD PRIMARY KEY (a(20));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
ALTER TABLE t1 ADD KEY (a(20));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
CREATE UNIQUE INDEX i1 ON t1 (a(20));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
CREATE INDEX i2 ON t1 (a(20));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
DROP TABLE t1;
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;
#
# Test for bug #53820 "ALTER a MEDIUMINT column table causes full
#                      table copy".
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT, b MEDIUMINT);
INSERT INTO t1 VALUES (1, 1), (2, 2);
# The below ALTER should not copy table and so no rows should
# be shown as affected.
ALTER TABLE t1 CHANGE a id INT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
DROP TABLE t1;
#
# Bug#11754461 CANNOT ALTER TABLE WHEN KEY PREFIX TOO LONG
#
DROP DATABASE IF EXISTS db1;
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;
# Additional coverage for refactoring which is made as part
# of fix for bug #27480 "Extend CREATE TEMPORARY TABLES privilege
# to allow temp table operations".
#
# At some point the below test case failed on assertion.
DROP TABLE IF EXISTS t1;
CREATE TEMPORARY TABLE t1 (i int) ENGINE=MyISAM;
ALTER TABLE t1 DISCARD TABLESPACE;
ERROR HY000: Storage engine MyISAM of the table `test`.`t1` doesn't have this option
DROP TABLE t1;
#
# Bug#11938039 RE-EXECUTION OF FRM-ONLY ALTER TABLE WITH RENAME
#              CLAUSE FAILS OR ABORTS SERVER.
#
drop table if exists t1;
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;
# The below statement should succeed and not emit error or abort server.
execute stmt1;
deallocate prepare stmt1;
drop table t2;
#
# MDEV-8960 Can't refer the same column twice in one ALTER TABLE
#
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
ALTER COLUMN `consultant_id` DROP DEFAULT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `consultant_id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
ALTER COLUMN `consultant_id` SET DEFAULT 2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `consultant_id` int(11) NOT NULL DEFAULT 2
) ENGINE=MyISAM DEFAULT CHARSET=utf8
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
ALTER COLUMN `consultant_id` DROP DEFAULT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `consultant_id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
ALTER COLUMN `consultant_id` DROP DEFAULT,
MODIFY COLUMN `consultant_id` BIGINT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `consultant_id` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
DROP TABLE t1;
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;
Warnings:
Note	1060	Duplicate column name 'id'
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note	1060	Duplicate column name 'lol'
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
Warnings:
Note	1091	Can't DROP COLUMN `lol`; check that it exists
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
Warnings:
Note	1061	Duplicate key name 'x_param'
ALTER TABLE t1 MODIFY IF EXISTS lol INT;
Warnings:
Note	1054	Unknown column 'lol' in 't1'
DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
Warnings:
Note	1091	Can't DROP INDEX `x_param`; check that it exists
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
Warnings:
Note	1061	Duplicate key name 'x_param1'
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `x_param` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `x_param1` (`x_param`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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;
Warnings:
Note	1060	Duplicate column name 'id'
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note	1060	Duplicate column name 'lol'
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
Warnings:
Note	1091	Can't DROP COLUMN `lol`; check that it exists
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
Warnings:
Note	1061	Duplicate key name 'x_param'
ALTER TABLE t1 MODIFY IF EXISTS lol INT;
Warnings:
Note	1054	Unknown column 'lol' in 't1'
DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
Warnings:
Note	1091	Can't DROP INDEX `x_param`; check that it exists
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
Warnings:
Note	1061	Duplicate key name 'x_param1'
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `x_param` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `x_param1` (`x_param`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
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);
Warnings:
Note	1061	Duplicate key name 'fk'
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
Warnings:
Note	1091	Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `id` int(11) NOT NULL,
  KEY `fk` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
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);
Warnings:
Note	1061	Duplicate key name 't2_ibfk_1'
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
Warnings:
Note	1091	Can't DROP FOREIGN KEY `t2_ibfk_1`; check that it exists
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `id` int(11) NOT NULL,
  KEY `id` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
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;
Warnings:
Note	1060	Duplicate column name 'a'
ALTER TABLE t2 ADD KEY k_id(id), ADD KEY IF NOT EXISTS k_id(id);
Warnings:
Note	1061	Duplicate key name 'k_id'
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `id` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  KEY `k_id` (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t2 DROP KEY k_id, DROP KEY IF EXISTS k_id;
Warnings:
Note	1091	Can't DROP INDEX `k_id`; check that it exists
ALTER TABLE t2 DROP COLUMN a, DROP COLUMN IF EXISTS a;
Warnings:
Note	1091	Can't DROP COLUMN `a`; check that it exists
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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;
Table	Create Table
t1	CREATE TABLE `t1` (
  `transaction_id` int(11) NOT NULL DEFAULT 0,
  PRIMARY KEY (`transaction_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
# Bug#11748057 (formerly known as 34972): ALTER TABLE statement doesn't
#                                         identify correct column name.
#
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;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(10) unsigned DEFAULT NULL,
  `c2` char(100) NOT NULL DEFAULT '',
  `c3` char(16) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# WL#5534 Online ALTER, Phase 1
#
# Single thread tests.
# See innodb_mysql_sync.test for multi thread tests.
DROP TABLE IF EXISTS t1;
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);
#
# 1: Test ALGORITHM keyword
#
# --enable_info allows us to see how many rows were updated
# by ALTER TABLE. in-place will show 0 rows, while copy > 0.
ALTER TABLE t1 ADD INDEX i1(b);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i4`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= INVALID;
ERROR HY000: Unknown ALGORITHM 'INVALID'
ALTER TABLE m1 ENABLE KEYS;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= DEFAULT;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE;
affected rows: 0
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 2: Test ALGORITHM + old_alter_table
#
SET SESSION old_alter_table= 1;
affected rows: 0
ALTER TABLE t1 ADD INDEX i1(b);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i4`. This is deprecated and will be disallowed in a future release
SET SESSION old_alter_table= 0;
affected rows: 0
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 3: Test unsupported in-place operation
#
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;
#
# 4: Test LOCK keyword
#
ALTER TABLE t1 ADD INDEX i1(b), LOCK= DEFAULT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), LOCK= NONE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), LOCK= SHARED;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), LOCK= EXCLUSIVE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i4`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i5(b), LOCK= INVALID;
ERROR HY000: Unknown LOCK type 'INVALID'
ALTER TABLE m1 ENABLE KEYS, LOCK= DEFAULT;
ALTER TABLE m1 ENABLE KEYS, LOCK= NONE;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, LOCK= SHARED;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, LOCK= EXCLUSIVE;
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 5: Test ALGORITHM + LOCK
#
ALTER TABLE t1 ADD INDEX i1(b), ALGORITHM= INPLACE, LOCK= NONE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= INPLACE, LOCK= SHARED;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= COPY, LOCK= NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: COPY algorithm requires a lock. Try LOCK=SHARED
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= COPY, LOCK= SHARED;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i5`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i6(b), ALGORITHM= COPY, LOCK= EXCLUSIVE;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 1
Warnings:
Note	1831	Duplicate index `i6`. This is deprecated and will be disallowed in a future release
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= NONE;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= SHARED;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: COPY algorithm requires a lock. Try LOCK=SHARED
ALTER ONLINE TABLE m1 ADD COLUMN c int;
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= SHARED;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= EXCLUSIVE;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
DROP TABLE t1, m1;
#
# 6: Possible deadlock involving thr_lock.c
#
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);
connect  con1, localhost, root;
# Sending:
ALTER TABLE t1 DISABLE KEYS;
connection default;
# Waiting until ALTER TABLE is blocked.
UPDATE t1 SET b = 4;
COMMIT;
connection con1;
# Reaping: ALTER TABLE t1 DISABLE KEYS
disconnect con1;
connection default;
DROP TABLE t1;
#
# 7: Which operations require copy and which can be done in-place?
#
# Test which ALTER TABLE operations are done in-place and
# which operations are done using temporary table copy.
#
# --enable_info allows us to see how many rows were updated
# by ALTER TABLE. in-place will show 0 rows, while copy > 0.
#
DROP TABLE IF EXISTS ti1, ti2, ti3, tm1, tm2, tm3;
# 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);
ALTER TABLE ti1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD COLUMN d VARCHAR(200);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD COLUMN d VARCHAR(200);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD COLUMN d2 VARCHAR(200);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD COLUMN d2 VARCHAR(200);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD COLUMN e ENUM('a', 'b') FIRST;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD COLUMN e ENUM('a', 'b') FIRST;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD COLUMN f INT AFTER a;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD COLUMN f INT AFTER a;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD INDEX ii1(b);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD INDEX im1(b);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD UNIQUE INDEX ii2 (c);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD UNIQUE INDEX im2 (c);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD FULLTEXT INDEX ii3 (d);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD FULLTEXT INDEX im3 (d);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD FULLTEXT INDEX ii4 (d2);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD FULLTEXT INDEX im4 (d2);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD PRIMARY KEY(a), ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: InnoDB presently supports one FULLTEXT index creation at a time. Try ALGORITHM=COPY
ALTER TABLE ti1 ADD PRIMARY KEY(a);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD PRIMARY KEY(a);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP INDEX ii3;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP INDEX im3;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP COLUMN d2;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP COLUMN d2;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ADD CONSTRAINT fi1 FOREIGN KEY (b) REFERENCES ti2(a);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ADD CONSTRAINT fm1 FOREIGN KEY (b) REFERENCES tm2(a);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ALTER COLUMN b SET DEFAULT 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ALTER COLUMN b SET DEFAULT 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 ALTER COLUMN b DROP DEFAULT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ALTER COLUMN b DROP DEFAULT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 CHANGE COLUMN f g INT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 CHANGE COLUMN f g INT;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 CHANGE COLUMN g h VARCHAR(20);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 CHANGE COLUMN g h VARCHAR(20);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e ENUM('a', 'b', 'c');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e ENUM('a', 'b', 'c');
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT AFTER h;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT AFTER h;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT FIRST;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT FIRST;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
SET @orig_sql_mode = @@sql_mode;
SET @@sql_mode = 'STRICT_TRANS_TABLES';
ALTER TABLE ti1 MODIFY COLUMN c INT NOT NULL;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
SET @@sql_mode = @orig_sql_mode;
ALTER TABLE tm1 MODIFY COLUMN c INT NOT NULL;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN c INT NULL;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN c INT NULL;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30);
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30) AFTER d;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30) AFTER d;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP COLUMN h;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP COLUMN h;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP INDEX ii2;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP INDEX im2;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP PRIMARY KEY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP PRIMARY KEY;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DROP FOREIGN KEY fi1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DROP FOREIGN KEY fm1;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 RENAME TO ti3;
affected rows: 0
ALTER TABLE tm1 RENAME TO tm3;
affected rows: 0
ALTER TABLE ti3 RENAME TO ti1;
affected rows: 0
ALTER TABLE tm3 RENAME TO tm1;
affected rows: 0
ALTER TABLE ti1 ORDER BY b;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 ORDER BY b;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 CONVERT TO CHARACTER SET utf16;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 CONVERT TO CHARACTER SET utf16;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 DEFAULT CHARACTER SET utf8;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 DEFAULT CHARACTER SET utf8;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 FORCE;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 FORCE;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 AUTO_INCREMENT 3;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 AUTO_INCREMENT 3;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 AVG_ROW_LENGTH 10;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 AVG_ROW_LENGTH 10;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 CHECKSUM 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 CHECKSUM 1;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 COMMENT 'test';
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 COMMENT 'test';
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MAX_ROWS 100;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MAX_ROWS 100;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 MIN_ROWS 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 MIN_ROWS 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti1 PACK_KEYS 1;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE tm1 PACK_KEYS 1;
affected rows: 2
info: Records: 2  Duplicates: 0  Warnings: 0
DROP TABLE ti1, ti2, tm1, tm2;
# 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);
ALTER TABLE ti1 RENAME TO ti3, ADD INDEX ii1(b);
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
ALTER TABLE ti3 DROP INDEX ii1, AUTO_INCREMENT 5;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
INSERT INTO ti3(b) VALUES (5);
ALTER TABLE ti3 ADD INDEX ii1(b), AUTO_INCREMENT 7;
affected rows: 0
info: Records: 0  Duplicates: 0  Warnings: 0
INSERT INTO ti3(b) VALUES (7);
SELECT * FROM ti3;
a	b
1	1
2	2
5	5
7	7
DROP TABLE ti3;
#
# 8: Scenario in which ALTER TABLE was returning an unwarranted
#    ER_ILLEGAL_HA error at some point during work on this WL.
#
CREATE TABLE tm1(i INT DEFAULT 1) engine=MyISAM;
ALTER TABLE tm1 ADD INDEX ii1(i), ALTER COLUMN i DROP DEFAULT;
DROP TABLE tm1;
create table if not exists t1 (i int);
alter table t1 add key (i);
alter table t1 add key if not exists (i);
Warnings:
Note	1061	Duplicate key name 'i'
DROP TABLE t1;
create table t1 (a int);
alter table t1 change column if exists a b bigint;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
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);
Warnings:
Note	1061	Duplicate key name 'idx'
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int(11) DEFAULT NULL,
  UNIQUE KEY `idx` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
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);
Warnings:
Note	1061	Multiple primary key defined
DROP TABLE t1;
#
# MDEV-11126 Crash while altering persistent virtual column
#
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`;
Table	Create Table
tab1	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) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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`;
Table	Create Table
tab1	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) GENERATED ALWAYS 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`))) STORED,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE `tab1`;
#
# MDEV-11548 Reproducible server crash after the 2nd ALTER TABLE ADD FOREIGN KEY IF NOT EXISTS
#
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);
Warnings:
Note	1061	Duplicate key name 'id1'
DROP TABLE t2;
DROP TABLE t1;
#
# MDEV-6390 CONVERT TO CHARACTER SET utf8 doesn't change DEFAULT CHARSET.
#
CREATE TABLE t1 (id int(11) NOT NULL, a int(11) NOT NULL, b int(11))
ENGINE=InnoDB DEFAULT CHARSET=latin1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
DROP TABLE t1;
#
# MDEV-15308
# Assertion `ha_alter_info->alter_info->drop_list.elements > 0' failed
# in ha_innodb::prepare_inplace_alter_table
#
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP COLUMN b;
Warnings:
Note	1091	Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP INDEX IF EXISTS fk, DROP COLUMN b;
Warnings:
Note	1091	Can't DROP INDEX `fk`; check that it exists
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT, KEY(c)) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP COLUMN c;
Warnings:
Note	1091	Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT, KEY c1(c)) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP INDEX c1;
Warnings:
Note	1091	Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP INDEX IF EXISTS fk, DROP COLUMN IF EXISTS c;
Warnings:
Note	1091	Can't DROP INDEX `fk`; check that it exists
Note	1091	Can't DROP COLUMN `c`; check that it exists
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# MDEV-14668 ADD PRIMARY KEY IF NOT EXISTS on composite key
#
CREATE TABLE t1 (
`ID` BIGINT(20) NOT NULL,
`RANK` MEDIUMINT(4) NOT NULL,
`CHECK_POINT` BIGINT(20) NOT NULL,
UNIQUE INDEX `HORIZON_UIDX01` (`ID`, `RANK`)
) ENGINE=InnoDB;
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS (`ID`, `CHECK_POINT`);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `ID` bigint(20) NOT NULL,
  `RANK` mediumint(4) NOT NULL,
  `CHECK_POINT` bigint(20) NOT NULL,
  PRIMARY KEY (`ID`,`CHECK_POINT`),
  UNIQUE KEY `HORIZON_UIDX01` (`ID`,`RANK`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS (`ID`, `CHECK_POINT`);
Warnings:
Note	1061	Multiple primary key defined
DROP TABLE t1;
#
# End of 10.0 tests
#
#
# MDEV-7374 : Losing connection to MySQL while running ALTER TABLE
#
CREATE TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
INSERT INTO t1 SELECT a.* FROM t1 a, t1 b, t1 c, t1 d, t1 e;
ALTER TABLE t1 MODIFY i FLOAT;
DROP TABLE t1;
#
# MDEV-7816 ALTER with DROP INDEX and ADD INDEX .. COMMENT='comment2' ignores the new comment
#
CREATE TABLE t1(a INT);
CREATE INDEX i1 ON t1(a) COMMENT 'comment1';
ALTER TABLE t1 DROP INDEX i1, ADD INDEX i1(a) COMMENT 'comment2';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  KEY `i1` (`a`) COMMENT 'comment2'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# End of 10.1 tests
#
#
# MDEV-10421 duplicate CHECK CONSTRAINTs
#
CREATE TABLE t1 (a INT, b INT) engine=myisam;
ALTER TABLE t1 ADD CONSTRAINT IF NOT EXISTS `min` CHECK (a+b > 100);
ALTER TABLE t1 ADD CONSTRAINT `min` CHECK (a+b > 100);
ERROR HY000: Duplicate CHECK constraint name 'min'
ALTER TABLE t1 ADD CONSTRAINT IF NOT EXISTS `min` CHECK (a+b > 100);
Warnings:
Note	1826	Duplicate CHECK constraint name 'min'
ALTER TABLE t1 ADD CONSTRAINT `mini` CHECK (a+b > 100);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `min` CHECK (`a` + `b` > 100),
  CONSTRAINT `mini` CHECK (`a` + `b` > 100)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a INT, b INT, CONSTRAINT min check (a>5),
CONSTRAINT min check (b>5));
ERROR HY000: Duplicate CHECK constraint name 'min'
create table t1 (a int, b int, check(a>b));
alter table t1 drop column a;
ERROR 42S22: Unknown column 'a' in 'CHECK'
alter table t1 drop column b, add column b bigint first;
ERROR 42S22: Unknown column 'b' in 'CHECK'
alter table t1 drop column a, drop constraint constraint_1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int, b int, check(a>0));
alter table t1 drop column a;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int, b int, check(a>0));
alter table t1 drop column a, add column a bigint first;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` bigint(20) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int, b int, c int, unique(a));
alter table t1 drop column a;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int, b int, c int, unique(a,b));
alter table t1 drop column a;
ERROR 42000: Key column 'a' doesn't exist in table
alter table t1 drop column a, drop index a;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (i int);
alter table t1 alter column if exists a set default 1;
Warnings:
Note	1054	Unknown column 'a' in 't1'
alter table t1 alter column if exists a drop default;
Warnings:
Note	1054	Unknown column 'a' in 't1'
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
#
# MDEV-13508 Check that rename of columns changes defaults, virtual
# columns and constraints
#
create table t1 (a int, b int, check(a>b));
alter table t1 change column a b int, change column b a int;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `b` int(11) DEFAULT NULL,
  `a` int(11) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` > `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int primary key, b int, c int default (a+b) check (a+b>0),
d int as (a+b),
key (b),
constraint test check (a+b > 1));
alter table t1 change b new_b int not null, add column b char(1), add constraint new check (length(b) > 0);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `new_b` int(11) NOT NULL,
  `c` int(11) DEFAULT (`a` + `new_b`) CHECK (`a` + `new_b` > 0),
  `d` int(11) GENERATED ALWAYS AS (`a` + `new_b`) VIRTUAL,
  `b` char(1) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `b` (`new_b`),
  CONSTRAINT `test` CHECK (`a` + `new_b` > 1),
  CONSTRAINT `new` CHECK (octet_length(`b`) > 0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
#
# MDEV-11071: Assertion `thd->transaction.stmt.is_empty()' failed
# in Locked_tables_list::unlock_locked_tables
#
CREATE TABLE t1 (d DATETIME DEFAULT CURRENT_TIMESTAMP, i INT) ENGINE=InnoDB;
INSERT INTO t1 (i) VALUES (1),(1);
LOCK TABLE t1 WRITE;
ALTER TABLE t1 ADD UNIQUE(i);
ERROR 23000: Duplicate entry '1' for key 'i'
UNLOCK TABLES;
DROP TABLE t1;
#
# End of 10.2 tests
#