1
drop table if exists t1,t2;
4
STRING_DATA char(255) default NULL,
5
KEY string_data (STRING_DATA)
7
INSERT INTO t1 VALUES ('AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');
8
INSERT INTO t1 VALUES ('DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD');
9
INSERT INTO t1 VALUES ('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF');
10
INSERT INTO t1 VALUES ('FGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG');
11
INSERT INTO t1 VALUES ('HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH');
12
INSERT INTO t1 VALUES ('WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW');
14
Table Op Msg_type Msg_text
15
test.t1 check status OK
17
create table t1 (a tinyint not null auto_increment, b blob not null, primary key (a));
19
Table Op Msg_type Msg_text
20
test.t1 check status OK
22
Table Op Msg_type Msg_text
23
test.t1 repair status OK
24
delete from t1 where (a & 1);
26
Table Op Msg_type Msg_text
27
test.t1 check status OK
29
Table Op Msg_type Msg_text
30
test.t1 repair status OK
32
Table Op Msg_type Msg_text
33
test.t1 check status OK
35
create table t1 (a int not null auto_increment, b int not null, primary key (a), index(b));
36
insert into t1 (b) values (1),(2),(2),(2),(2);
38
Table Op Msg_type Msg_text
39
test.t1 optimize status OK
41
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
42
t1 0 PRIMARY 1 a A 5 NULL NULL BTREE
43
t1 1 b 1 b A 1 NULL NULL BTREE
45
Table Op Msg_type Msg_text
46
test.t1 optimize status Table is already up to date
48
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
49
t1 0 PRIMARY 1 a A 5 NULL NULL BTREE
50
t1 1 b 1 b A 1 NULL NULL BTREE
52
create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=myisam;
53
insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4);
54
explain select * from t1 order by a;
55
id select_type table type possible_keys key key_len ref rows Extra
56
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
57
explain select * from t1 order by b;
58
id select_type table type possible_keys key key_len ref rows Extra
59
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
60
explain select * from t1 order by c;
61
id select_type table type possible_keys key key_len ref rows Extra
62
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
63
explain select a from t1 order by a;
64
id select_type table type possible_keys key key_len ref rows Extra
65
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 Using index
66
explain select b from t1 order by b;
67
id select_type table type possible_keys key key_len ref rows Extra
68
1 SIMPLE t1 index NULL b 4 NULL 4 Using index
69
explain select a,b from t1 order by b;
70
id select_type table type possible_keys key key_len ref rows Extra
71
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
72
explain select a,b from t1;
73
id select_type table type possible_keys key key_len ref rows Extra
74
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
75
explain select a,b,c from t1;
76
id select_type table type possible_keys key key_len ref rows Extra
77
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
79
CREATE TABLE t1 (a INT);
80
INSERT INTO t1 VALUES (1), (2), (3);
82
INSERT INTO t1 VALUES (1), (2), (3);
84
Table Op Msg_type Msg_text
85
test.t1 optimize status OK
87
create table t1 ( t1 char(255), key(t1(250)));
88
insert t1 values ('137513751375137513751375137513751375137569516951695169516951695169516951695169');
89
insert t1 values ('178417841784178417841784178417841784178403420342034203420342034203420342034203');
90
insert t1 values ('213872387238723872387238723872387238723867376737673767376737673767376737673767');
91
insert t1 values ('242624262426242624262426242624262426242607890789078907890789078907890789078907');
92
insert t1 values ('256025602560256025602560256025602560256011701170117011701170117011701170117011');
93
insert t1 values ('276027602760276027602760276027602760276001610161016101610161016101610161016101');
94
insert t1 values ('281528152815281528152815281528152815281564956495649564956495649564956495649564');
95
insert t1 values ('292129212921292129212921292129212921292102100210021002100210021002100210021002');
96
insert t1 values ('380638063806380638063806380638063806380634483448344834483448344834483448344834');
97
insert t1 values ('411641164116411641164116411641164116411616301630163016301630163016301630163016');
98
insert t1 values ('420842084208420842084208420842084208420899889988998899889988998899889988998899');
99
insert t1 values ('438443844384438443844384438443844384438482448244824482448244824482448244824482');
100
insert t1 values ('443244324432443244324432443244324432443239613961396139613961396139613961396139');
101
insert t1 values ('485448544854485448544854485448544854485477847784778477847784778477847784778477');
102
insert t1 values ('494549454945494549454945494549454945494555275527552755275527552755275527552755');
103
insert t1 values ('538647864786478647864786478647864786478688918891889188918891889188918891889188');
104
insert t1 values ('565556555655565556555655565556555655565554845484548454845484548454845484548454');
105
insert t1 values ('607860786078607860786078607860786078607856665666566656665666566656665666566656');
106
insert t1 values ('640164016401640164016401640164016401640141274127412741274127412741274127412741');
107
insert t1 values ('719471947194719471947194719471947194719478717871787178717871787178717871787178');
108
insert t1 values ('742574257425742574257425742574257425742549604960496049604960496049604960496049');
109
insert t1 values ('887088708870887088708870887088708870887035963596359635963596359635963596359635');
110
insert t1 values ('917791779177917791779177917791779177917773857385738573857385738573857385738573');
111
insert t1 values ('933293329332933293329332933293329332933278987898789878987898789878987898789878');
112
insert t1 values ('963896389638963896389638963896389638963877807780778077807780778077807780778077');
113
delete from t1 where t1>'2';
114
insert t1 values ('70'), ('84'), ('60'), ('20'), ('76'), ('89'), ('49'), ('50'),
115
('88'), ('61'), ('42'), ('98'), ('39'), ('30'), ('25'), ('66'), ('61'), ('48'),
116
('80'), ('84'), ('98'), ('19'), ('91'), ('42'), ('47');
118
Table Op Msg_type Msg_text
119
test.t1 optimize status OK
121
Table Op Msg_type Msg_text
122
test.t1 check status OK
124
create table t1 (i1 int, i2 int, i3 int, i4 int, i5 int, i6 int, i7 int, i8
125
int, i9 int, i10 int, i11 int, i12 int, i13 int, i14 int, i15 int, i16 int, i17
126
int, i18 int, i19 int, i20 int, i21 int, i22 int, i23 int, i24 int, i25 int,
127
i26 int, i27 int, i28 int, i29 int, i30 int, i31 int, i32 int, i33 int, i34
128
int, i35 int, i36 int, i37 int, i38 int, i39 int, i40 int, i41 int, i42 int,
129
i43 int, i44 int, i45 int, i46 int, i47 int, i48 int, i49 int, i50 int, i51
130
int, i52 int, i53 int, i54 int, i55 int, i56 int, i57 int, i58 int, i59 int,
131
i60 int, i61 int, i62 int, i63 int, i64 int, i65 int, i66 int, i67 int, i68
132
int, i69 int, i70 int, i71 int, i72 int, i73 int, i74 int, i75 int, i76 int,
133
i77 int, i78 int, i79 int, i80 int, i81 int, i82 int, i83 int, i84 int, i85
134
int, i86 int, i87 int, i88 int, i89 int, i90 int, i91 int, i92 int, i93 int,
135
i94 int, i95 int, i96 int, i97 int, i98 int, i99 int, i100 int, i101 int, i102
136
int, i103 int, i104 int, i105 int, i106 int, i107 int, i108 int, i109 int, i110
137
int, i111 int, i112 int, i113 int, i114 int, i115 int, i116 int, i117 int, i118
138
int, i119 int, i120 int, i121 int, i122 int, i123 int, i124 int, i125 int, i126
139
int, i127 int, i128 int, i129 int, i130 int, i131 int, i132 int, i133 int, i134
140
int, i135 int, i136 int, i137 int, i138 int, i139 int, i140 int, i141 int, i142
141
int, i143 int, i144 int, i145 int, i146 int, i147 int, i148 int, i149 int, i150
142
int, i151 int, i152 int, i153 int, i154 int, i155 int, i156 int, i157 int, i158
143
int, i159 int, i160 int, i161 int, i162 int, i163 int, i164 int, i165 int, i166
144
int, i167 int, i168 int, i169 int, i170 int, i171 int, i172 int, i173 int, i174
145
int, i175 int, i176 int, i177 int, i178 int, i179 int, i180 int, i181 int, i182
146
int, i183 int, i184 int, i185 int, i186 int, i187 int, i188 int, i189 int, i190
147
int, i191 int, i192 int, i193 int, i194 int, i195 int, i196 int, i197 int, i198
148
int, i199 int, i200 int, i201 int, i202 int, i203 int, i204 int, i205 int, i206
149
int, i207 int, i208 int, i209 int, i210 int, i211 int, i212 int, i213 int, i214
150
int, i215 int, i216 int, i217 int, i218 int, i219 int, i220 int, i221 int, i222
151
int, i223 int, i224 int, i225 int, i226 int, i227 int, i228 int, i229 int, i230
152
int, i231 int, i232 int, i233 int, i234 int, i235 int, i236 int, i237 int, i238
153
int, i239 int, i240 int, i241 int, i242 int, i243 int, i244 int, i245 int, i246
154
int, i247 int, i248 int, i249 int, i250 int, i251 int, i252 int, i253 int, i254
155
int, i255 int, i256 int, i257 int, i258 int, i259 int, i260 int, i261 int, i262
156
int, i263 int, i264 int, i265 int, i266 int, i267 int, i268 int, i269 int, i270
157
int, i271 int, i272 int, i273 int, i274 int, i275 int, i276 int, i277 int, i278
158
int, i279 int, i280 int, i281 int, i282 int, i283 int, i284 int, i285 int, i286
159
int, i287 int, i288 int, i289 int, i290 int, i291 int, i292 int, i293 int, i294
160
int, i295 int, i296 int, i297 int, i298 int, i299 int, i300 int, i301 int, i302
161
int, i303 int, i304 int, i305 int, i306 int, i307 int, i308 int, i309 int, i310
162
int, i311 int, i312 int, i313 int, i314 int, i315 int, i316 int, i317 int, i318
163
int, i319 int, i320 int, i321 int, i322 int, i323 int, i324 int, i325 int, i326
164
int, i327 int, i328 int, i329 int, i330 int, i331 int, i332 int, i333 int, i334
165
int, i335 int, i336 int, i337 int, i338 int, i339 int, i340 int, i341 int, i342
166
int, i343 int, i344 int, i345 int, i346 int, i347 int, i348 int, i349 int, i350
167
int, i351 int, i352 int, i353 int, i354 int, i355 int, i356 int, i357 int, i358
168
int, i359 int, i360 int, i361 int, i362 int, i363 int, i364 int, i365 int, i366
169
int, i367 int, i368 int, i369 int, i370 int, i371 int, i372 int, i373 int, i374
170
int, i375 int, i376 int, i377 int, i378 int, i379 int, i380 int, i381 int, i382
171
int, i383 int, i384 int, i385 int, i386 int, i387 int, i388 int, i389 int, i390
172
int, i391 int, i392 int, i393 int, i394 int, i395 int, i396 int, i397 int, i398
173
int, i399 int, i400 int, i401 int, i402 int, i403 int, i404 int, i405 int, i406
174
int, i407 int, i408 int, i409 int, i410 int, i411 int, i412 int, i413 int, i414
175
int, i415 int, i416 int, i417 int, i418 int, i419 int, i420 int, i421 int, i422
176
int, i423 int, i424 int, i425 int, i426 int, i427 int, i428 int, i429 int, i430
177
int, i431 int, i432 int, i433 int, i434 int, i435 int, i436 int, i437 int, i438
178
int, i439 int, i440 int, i441 int, i442 int, i443 int, i444 int, i445 int, i446
179
int, i447 int, i448 int, i449 int, i450 int, i451 int, i452 int, i453 int, i454
180
int, i455 int, i456 int, i457 int, i458 int, i459 int, i460 int, i461 int, i462
181
int, i463 int, i464 int, i465 int, i466 int, i467 int, i468 int, i469 int, i470
182
int, i471 int, i472 int, i473 int, i474 int, i475 int, i476 int, i477 int, i478
183
int, i479 int, i480 int, i481 int, i482 int, i483 int, i484 int, i485 int, i486
184
int, i487 int, i488 int, i489 int, i490 int, i491 int, i492 int, i493 int, i494
185
int, i495 int, i496 int, i497 int, i498 int, i499 int, i500 int, i501 int, i502
186
int, i503 int, i504 int, i505 int, i506 int, i507 int, i508 int, i509 int, i510
187
int, i511 int, i512 int, i513 int, i514 int, i515 int, i516 int, i517 int, i518
188
int, i519 int, i520 int, i521 int, i522 int, i523 int, i524 int, i525 int, i526
189
int, i527 int, i528 int, i529 int, i530 int, i531 int, i532 int, i533 int, i534
190
int, i535 int, i536 int, i537 int, i538 int, i539 int, i540 int, i541 int, i542
191
int, i543 int, i544 int, i545 int, i546 int, i547 int, i548 int, i549 int, i550
192
int, i551 int, i552 int, i553 int, i554 int, i555 int, i556 int, i557 int, i558
193
int, i559 int, i560 int, i561 int, i562 int, i563 int, i564 int, i565 int, i566
194
int, i567 int, i568 int, i569 int, i570 int, i571 int, i572 int, i573 int, i574
195
int, i575 int, i576 int, i577 int, i578 int, i579 int, i580 int, i581 int, i582
196
int, i583 int, i584 int, i585 int, i586 int, i587 int, i588 int, i589 int, i590
197
int, i591 int, i592 int, i593 int, i594 int, i595 int, i596 int, i597 int, i598
198
int, i599 int, i600 int, i601 int, i602 int, i603 int, i604 int, i605 int, i606
199
int, i607 int, i608 int, i609 int, i610 int, i611 int, i612 int, i613 int, i614
200
int, i615 int, i616 int, i617 int, i618 int, i619 int, i620 int, i621 int, i622
201
int, i623 int, i624 int, i625 int, i626 int, i627 int, i628 int, i629 int, i630
202
int, i631 int, i632 int, i633 int, i634 int, i635 int, i636 int, i637 int, i638
203
int, i639 int, i640 int, i641 int, i642 int, i643 int, i644 int, i645 int, i646
204
int, i647 int, i648 int, i649 int, i650 int, i651 int, i652 int, i653 int, i654
205
int, i655 int, i656 int, i657 int, i658 int, i659 int, i660 int, i661 int, i662
206
int, i663 int, i664 int, i665 int, i666 int, i667 int, i668 int, i669 int, i670
207
int, i671 int, i672 int, i673 int, i674 int, i675 int, i676 int, i677 int, i678
208
int, i679 int, i680 int, i681 int, i682 int, i683 int, i684 int, i685 int, i686
209
int, i687 int, i688 int, i689 int, i690 int, i691 int, i692 int, i693 int, i694
210
int, i695 int, i696 int, i697 int, i698 int, i699 int, i700 int, i701 int, i702
211
int, i703 int, i704 int, i705 int, i706 int, i707 int, i708 int, i709 int, i710
212
int, i711 int, i712 int, i713 int, i714 int, i715 int, i716 int, i717 int, i718
213
int, i719 int, i720 int, i721 int, i722 int, i723 int, i724 int, i725 int, i726
214
int, i727 int, i728 int, i729 int, i730 int, i731 int, i732 int, i733 int, i734
215
int, i735 int, i736 int, i737 int, i738 int, i739 int, i740 int, i741 int, i742
216
int, i743 int, i744 int, i745 int, i746 int, i747 int, i748 int, i749 int, i750
217
int, i751 int, i752 int, i753 int, i754 int, i755 int, i756 int, i757 int, i758
218
int, i759 int, i760 int, i761 int, i762 int, i763 int, i764 int, i765 int, i766
219
int, i767 int, i768 int, i769 int, i770 int, i771 int, i772 int, i773 int, i774
220
int, i775 int, i776 int, i777 int, i778 int, i779 int, i780 int, i781 int, i782
221
int, i783 int, i784 int, i785 int, i786 int, i787 int, i788 int, i789 int, i790
222
int, i791 int, i792 int, i793 int, i794 int, i795 int, i796 int, i797 int, i798
223
int, i799 int, i800 int, i801 int, i802 int, i803 int, i804 int, i805 int, i806
224
int, i807 int, i808 int, i809 int, i810 int, i811 int, i812 int, i813 int, i814
225
int, i815 int, i816 int, i817 int, i818 int, i819 int, i820 int, i821 int, i822
226
int, i823 int, i824 int, i825 int, i826 int, i827 int, i828 int, i829 int, i830
227
int, i831 int, i832 int, i833 int, i834 int, i835 int, i836 int, i837 int, i838
228
int, i839 int, i840 int, i841 int, i842 int, i843 int, i844 int, i845 int, i846
229
int, i847 int, i848 int, i849 int, i850 int, i851 int, i852 int, i853 int, i854
230
int, i855 int, i856 int, i857 int, i858 int, i859 int, i860 int, i861 int, i862
231
int, i863 int, i864 int, i865 int, i866 int, i867 int, i868 int, i869 int, i870
232
int, i871 int, i872 int, i873 int, i874 int, i875 int, i876 int, i877 int, i878
233
int, i879 int, i880 int, i881 int, i882 int, i883 int, i884 int, i885 int, i886
234
int, i887 int, i888 int, i889 int, i890 int, i891 int, i892 int, i893 int, i894
235
int, i895 int, i896 int, i897 int, i898 int, i899 int, i900 int, i901 int, i902
236
int, i903 int, i904 int, i905 int, i906 int, i907 int, i908 int, i909 int, i910
237
int, i911 int, i912 int, i913 int, i914 int, i915 int, i916 int, i917 int, i918
238
int, i919 int, i920 int, i921 int, i922 int, i923 int, i924 int, i925 int, i926
239
int, i927 int, i928 int, i929 int, i930 int, i931 int, i932 int, i933 int, i934
240
int, i935 int, i936 int, i937 int, i938 int, i939 int, i940 int, i941 int, i942
241
int, i943 int, i944 int, i945 int, i946 int, i947 int, i948 int, i949 int, i950
242
int, i951 int, i952 int, i953 int, i954 int, i955 int, i956 int, i957 int, i958
243
int, i959 int, i960 int, i961 int, i962 int, i963 int, i964 int, i965 int, i966
244
int, i967 int, i968 int, i969 int, i970 int, i971 int, i972 int, i973 int, i974
245
int, i975 int, i976 int, i977 int, i978 int, i979 int, i980 int, i981 int, i982
246
int, i983 int, i984 int, i985 int, i986 int, i987 int, i988 int, i989 int, i990
247
int, i991 int, i992 int, i993 int, i994 int, i995 int, i996 int, i997 int, i998
248
int, i999 int, i1000 int, b blob) row_format=dynamic;
249
insert into t1 values (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
250
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
251
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
252
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
253
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
254
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
255
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
256
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
257
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
258
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
259
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
260
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
261
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
262
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
263
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
264
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
265
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
266
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
267
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
268
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
269
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
270
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
271
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
272
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
273
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
274
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
275
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
276
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
277
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
278
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
279
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
280
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
281
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
282
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
283
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
284
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
285
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
286
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
287
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, "Sergei");
288
update t1 set b=repeat('a',256);
289
update t1 set i1=0, i2=0, i3=0, i4=0, i5=0, i6=0, i7=0;
291
Table Op Msg_type Msg_text
292
test.t1 check status OK
293
delete from t1 where i8=1;
294
select i1,i2 from t1;
297
Table Op Msg_type Msg_text
298
test.t1 check status OK
301
`post_id` mediumint(8) unsigned NOT NULL auto_increment,
302
`topic_id` mediumint(8) unsigned NOT NULL default '0',
303
`post_time` datetime NOT NULL default '0000-00-00 00:00:00',
304
`post_text` text NOT NULL,
305
`icon_url` varchar(10) NOT NULL default '',
306
`sign` tinyint(1) unsigned NOT NULL default '0',
307
`post_edit` varchar(150) NOT NULL default '',
308
`poster_login` varchar(35) NOT NULL default '',
309
`ip` varchar(15) NOT NULL default '',
310
PRIMARY KEY (`post_id`),
311
KEY `post_time` (`post_time`),
313
KEY `poster_login` (`poster_login`),
314
KEY `topic_id` (`topic_id`),
315
FULLTEXT KEY `post_text` (`post_text`)
317
INSERT INTO t1 (post_text) VALUES ('ceci est un test'),('ceci est un test'),('ceci est un test'),('ceci est un test'),('ceci est un test');
319
Table Op Msg_type Msg_text
320
test.t1 repair status OK
322
Table Op Msg_type Msg_text
323
test.t1 check status OK
325
CREATE TABLE t1 (a varchar(300), b varchar(300), c varchar(300), d varchar(300), e varchar(300), KEY t1 (a, b, c, d, e));
326
ERROR 42000: Specified key was too long; max key length is 1332 bytes
327
CREATE TABLE t1 (a varchar(300), b varchar(300), c varchar(300), d varchar(300), e varchar(300));
328
ALTER TABLE t1 ADD INDEX t1 (a, b, c, d, e);
329
ERROR 42000: Specified key was too long; max key length is 1332 bytes
331
CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
332
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
333
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
334
INSERT into t2 values (1,1,1), (2,2,2);
336
Table Op Msg_type Msg_text
337
test.t1 optimize status OK
339
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
340
t1 1 b 1 b A 5 NULL NULL YES BTREE
341
t1 1 c 1 c A 5 NULL NULL YES BTREE
342
t1 1 a 1 a A 1 NULL NULL BTREE
343
t1 1 a 2 b A 5 NULL NULL YES BTREE
344
t1 1 c_2 1 c A 5 NULL NULL YES BTREE
345
t1 1 c_2 2 a A 5 NULL NULL BTREE
346
explain select * from t1,t2 where t1.a=t2.a;
347
id select_type table type possible_keys key key_len ref rows Extra
348
1 SIMPLE t2 ALL a NULL NULL NULL 2
349
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
350
explain select * from t1,t2 force index(a) where t1.a=t2.a;
351
id select_type table type possible_keys key key_len ref rows Extra
352
1 SIMPLE t2 ALL a NULL NULL NULL 2
353
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
354
explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
355
id select_type table type possible_keys key key_len ref rows Extra
356
1 SIMPLE t2 ALL a NULL NULL NULL 2
357
1 SIMPLE t1 ref a a 4 test.t2.a 3
358
explain select * from t1,t2 where t1.b=t2.b;
359
id select_type table type possible_keys key key_len ref rows Extra
360
1 SIMPLE t2 ALL b NULL NULL NULL 2
361
1 SIMPLE t1 ref b b 5 test.t2.b 1
362
explain select * from t1,t2 force index(c) where t1.a=t2.a;
363
id select_type table type possible_keys key key_len ref rows Extra
364
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
365
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
366
explain select * from t1 where a=0 or a=2;
367
id select_type table type possible_keys key key_len ref rows Extra
368
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
369
explain select * from t1 force index (a) where a=0 or a=2;
370
id select_type table type possible_keys key key_len ref rows Extra
371
1 SIMPLE t1 range a a 4 NULL 4 Using index condition; Using MRR
372
explain select * from t1 where c=1;
373
id select_type table type possible_keys key key_len ref rows Extra
374
1 SIMPLE t1 ref c,c_2 c 5 const 1
375
explain select * from t1 use index() where c=1;
376
id select_type table type possible_keys key key_len ref rows Extra
377
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
379
create table t1 (a int not null auto_increment primary key, b varchar(255));
380
insert into t1 (b) values (repeat('a',100)),(repeat('b',100)),(repeat('c',100));
381
update t1 set b=repeat(left(b,1),200) where a=1;
382
delete from t1 where (a & 1)= 0;
383
update t1 set b=repeat('e',200) where a=1;
386
Table Op Msg_type Msg_text
387
test.t1 check status OK
388
update t1 set b=repeat(left(b,1),255) where a between 1 and 5;
389
update t1 set b=repeat(left(b,1),10) where a between 32 and 43;
390
update t1 set b=repeat(left(b,1),2) where a between 64 and 66;
391
update t1 set b=repeat(left(b,1),65) where a between 67 and 70;
393
Table Op Msg_type Msg_text
394
test.t1 check status OK
395
insert into t1 (b) values (repeat('z',100));
396
update t1 set b="test" where left(b,1) > 'n';
398
Table Op Msg_type Msg_text
399
test.t1 check status OK
401
create table t1 ( a text not null, key a (a(20)));
402
insert into t1 values ('aaa '),('aaa'),('aa');
404
Table Op Msg_type Msg_text
405
test.t1 check status OK
407
Table Op Msg_type Msg_text
408
test.t1 repair status OK
409
select concat(a,'.') from t1 where a='aaa';
413
select concat(a,'.') from t1 where binary a='aaa';
416
update t1 set a='bbb' where a='aaa';
417
select concat(a,'.') from t1;
423
create table t1(a text not null, b text not null, c text not null, index (a(10),b(10),c(10)));
424
insert into t1 values('807780', '477', '165');
425
insert into t1 values('807780', '477', '162');
426
insert into t1 values('807780', '472', '162');
427
select * from t1 where a='807780' and b='477' and c='165';
431
DROP TABLE IF EXISTS t1;
433
Note 1051 Unknown table 't1'
434
CREATE TABLE t1 (a varchar(150) NOT NULL, KEY (a));
435
INSERT t1 VALUES ("can \tcan");
436
INSERT t1 VALUES ("can can");
437
INSERT t1 VALUES ("can");
444
Table Op Msg_type Msg_text
445
test.t1 check status OK
447
create table t1 (a blob);
448
insert into t1 values('a '),('a');
449
select concat(a,'.') from t1 where a='a';
452
select concat(a,'.') from t1 where a='a ';
455
alter table t1 add key(a(2));
456
select concat(a,'.') from t1 where a='a';
459
select concat(a,'.') from t1 where a='a ';
463
create table t1 (a int not null auto_increment primary key, b text not null, unique b (b(20)));
464
insert into t1 (b) values ('a'),('b'),('c');
465
select concat(b,'.') from t1;
470
update t1 set b='b ' where a=2;
471
update t1 set b='b ' where a > 1;
472
ERROR 23000: Duplicate entry 'b ' for key 'b'
473
insert into t1 (b) values ('b');
474
ERROR 23000: Duplicate entry 'b' for key 'b'
480
delete from t1 where b='b';
481
select a,concat(b,'.') from t1;
486
create table t1 (a int not null);
487
create table t2 (a int not null, primary key (a));
488
insert into t1 values (1);
489
insert into t2 values (1),(2);
490
select sql_big_result distinct t1.a from t1,t2 order by t2.a;
493
select distinct t1.a from t1,t2 order by t2.a;
496
select sql_big_result distinct t1.a from t1,t2;
499
explain select sql_big_result distinct t1.a from t1,t2 order by t2.a;
500
id select_type table type possible_keys key key_len ref rows Extra
501
1 SIMPLE t1 system NULL NULL NULL NULL 1 Using temporary
502
1 SIMPLE t2 index NULL PRIMARY 4 NULL 2 Using index; Distinct
503
explain select distinct t1.a from t1,t2 order by t2.a;
504
id select_type table type possible_keys key key_len ref rows Extra
505
1 SIMPLE t1 system NULL NULL NULL NULL 1 Using temporary
506
1 SIMPLE t2 index NULL PRIMARY 4 NULL 2 Using index; Distinct
512
alter table t1 disable keys;
513
insert into t1 values ('a'), ('b');
514
select c1 from t1 order by c1 limit 1;
518
create table t1 (a int not null, primary key(a));
519
create table t2 (a int not null, b int not null, primary key(a,b));
520
insert into t1 values (1),(2),(3),(4),(5),(6);
521
insert into t2 values (1,1),(2,1);
522
lock tables t1 read local, t2 read local;
523
select straight_join * from t1,t2 force index (primary) where t1.a=t2.a;
527
insert into t2 values(2,0);
528
select straight_join * from t1,t2 force index (primary) where t1.a=t2.a;
534
CREATE TABLE t1 (c1 varchar(250) NOT NULL);
535
CREATE TABLE t2 (c1 varchar(250) NOT NULL, PRIMARY KEY (c1));
536
INSERT INTO t1 VALUES ('test000001'), ('test000002'), ('test000003');
537
INSERT INTO t2 VALUES ('test000002'), ('test000003'), ('test000004');
538
LOCK TABLES t1 READ LOCAL, t2 READ LOCAL;
539
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
540
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
542
INSERT INTO t2 VALUES ('test000001'), ('test000005');
543
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
544
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
548
CREATE TABLE t1 (`a` int(11) NOT NULL default '0', `b` int(11) NOT NULL default '0', UNIQUE KEY `a` USING RTREE (`a`,`b`)) ENGINE=MyISAM;
549
Got one of the listed errors
550
create table t1 (a int, b varchar(200), c text not null) checksum=1;
551
create table t2 (a int, b varchar(200), c text not null) checksum=0;
552
insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, "");
553
insert t2 select * from t1;
554
checksum table t1, t2, t3 quick;
560
Error 1146 Table 'test.t3' doesn't exist
561
checksum table t1, t2, t3;
567
Error 1146 Table 'test.t3' doesn't exist
568
checksum table t1, t2, t3 extended;
574
Error 1146 Table 'test.t3' doesn't exist
576
create table t1 (a int, key (a));
578
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
579
t1 1 a 1 a A NULL NULL NULL YES BTREE
580
alter table t1 disable keys;
582
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
583
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
584
create table t2 (a int);
585
set @@rand_seed1=31415926,@@rand_seed2=2718281828;
586
insert t1 select * from t2;
588
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
589
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
590
alter table t1 enable keys;
592
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
593
t1 1 a 1 a A 1000 NULL NULL YES BTREE
594
alter table t1 engine=heap;
595
alter table t1 disable keys;
597
Note 1031 Table storage engine for 't1' doesn't have this option
599
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
600
t1 1 a 1 a NULL 500 NULL NULL YES HASH
602
create table t1 ( a tinytext, b char(1), index idx (a(1),b) );
603
insert into t1 values (null,''), (null,'');
604
explain select count(*) from t1 where a is null;
605
id select_type table type possible_keys key key_len ref rows Extra
606
1 SIMPLE t1 ref idx idx 4 const 1 Using where
607
select count(*) from t1 where a is null;
611
create table t1 (c1 int, c2 varchar(4) not null default '',
612
key(c2(3))) default charset=utf8;
613
insert into t1 values (1,'A'), (2, 'B'), (3, 'A');
614
update t1 set c2='A B' where c1=2;
616
Table Op Msg_type Msg_text
617
test.t1 check status OK
619
create table t1 (c1 int);
620
insert into t1 values (1),(2),(3),(4);
624
delete from t1 where c1 = 1;
625
create table t2 as select * from t1;
633
show variables like 'myisam_stats_method';
635
myisam_stats_method nulls_unequal
636
create table t1 (a int, key(a));
637
insert into t1 values (0),(1),(2),(3),(4);
638
insert into t1 select NULL from t1;
640
Table Op Msg_type Msg_text
641
test.t1 analyze status OK
643
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
644
t1 1 a 1 a A 10 NULL NULL YES BTREE
645
insert into t1 values (11);
646
delete from t1 where a=11;
648
Table Op Msg_type Msg_text
649
test.t1 check status OK
651
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
652
t1 1 a 1 a A 10 NULL NULL YES BTREE
653
set myisam_stats_method=nulls_equal;
654
show variables like 'myisam_stats_method';
656
myisam_stats_method nulls_equal
657
insert into t1 values (11);
658
delete from t1 where a=11;
660
Table Op Msg_type Msg_text
661
test.t1 analyze status OK
663
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
664
t1 1 a 1 a A 5 NULL NULL YES BTREE
665
insert into t1 values (11);
666
delete from t1 where a=11;
668
Table Op Msg_type Msg_text
669
test.t1 check status OK
671
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
672
t1 1 a 1 a A 5 NULL NULL YES BTREE
673
set myisam_stats_method=DEFAULT;
674
show variables like 'myisam_stats_method';
676
myisam_stats_method nulls_unequal
677
insert into t1 values (11);
678
delete from t1 where a=11;
680
Table Op Msg_type Msg_text
681
test.t1 analyze status OK
683
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
684
t1 1 a 1 a A 10 NULL NULL YES BTREE
685
insert into t1 values (11);
686
delete from t1 where a=11;
688
Table Op Msg_type Msg_text
689
test.t1 check status OK
691
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
692
t1 1 a 1 a A 10 NULL NULL YES BTREE
694
set myisam_stats_method=nulls_ignored;
695
show variables like 'myisam_stats_method';
697
myisam_stats_method nulls_ignored
699
a char(3), b char(4), c char(5), d char(6),
702
insert into t1 values ('bcd','def1', NULL, 'zz');
703
insert into t1 values ('bcd','def2', NULL, 'zz');
704
insert into t1 values ('bce','def1', 'yuu', NULL);
705
insert into t1 values ('bce','def2', NULL, 'quux');
707
Table Op Msg_type Msg_text
708
test.t1 analyze status OK
710
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
711
t1 1 a 1 a A 2 NULL NULL YES BTREE
712
t1 1 a 2 b A 4 NULL NULL YES BTREE
713
t1 1 a 3 c A 4 NULL NULL YES BTREE
714
t1 1 a 4 d A 4 NULL NULL YES BTREE
717
Table Op Msg_type Msg_text
718
test.t1 analyze status OK
720
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
721
t1 1 a 1 a A 0 NULL NULL YES BTREE
722
t1 1 a 2 b A 0 NULL NULL YES BTREE
723
t1 1 a 3 c A 0 NULL NULL YES BTREE
724
t1 1 a 4 d A 0 NULL NULL YES BTREE
725
set myisam_stats_method=DEFAULT;
730
score INT NOT NULL DEFAULT 0,
733
insert into t1 (cip, time) VALUES (1, '00:01'), (2, '00:02'), (3,'00:03');
734
insert into t1 (cip, bob, time) VALUES (4, 'a', '00:04'), (5, 'b', '00:05'),
736
select * from t1 where bob is null and cip=1;
739
create index bug on t1 (bob(22), cip, time);
740
select * from t1 where bob is null and cip=1;
745
id1 int not null auto_increment,
746
id2 int not null default '0',
751
insert into t1 (id2, t) values
752
(10, 'abc'), (10, 'abc'), (10, 'abc'),
753
(20, 'abc'), (20, 'abc'), (20, 'def'),
754
(10, 'abc'), (10, 'abc');
755
select count(*) from t1 where id2 = 10;
758
select count(id1) from t1 where id2 = 10;
762
CREATE TABLE t1(a TINYINT, KEY(a)) ENGINE=MyISAM;
763
INSERT INTO t1 VALUES(1);
764
SELECT MAX(a) FROM t1 IGNORE INDEX(a);
767
ALTER TABLE t1 DISABLE KEYS;
768
SELECT MAX(a) FROM t1;
771
SELECT MAX(a) FROM t1 IGNORE INDEX(a);
775
CREATE TABLE t1(a CHAR(9), b VARCHAR(7)) ENGINE=MyISAM;
776
INSERT INTO t1(a) VALUES('xxxxxxxxx'),('xxxxxxxxx');
777
UPDATE t1 AS ta1,t1 AS ta2 SET ta1.b='aaaaaa',ta2.b='bbbbbb';
783
SET @@myisam_repair_threads=2;
784
SHOW VARIABLES LIKE 'myisam_repair%';
786
myisam_repair_threads 2
788
`_id` int(11) NOT NULL default '0',
792
`loverlap` int(11) default NULL,
793
`roverlap` int(11) default NULL,
794
`lneighbor_id` int(11) default NULL,
795
`rneighbor_id` int(11) default NULL,
796
`length_` int(11) default NULL,
797
`sequence` mediumtext,
799
`_obj_class` text NOT NULL,
801
UNIQUE KEY `sequence_name_index` (`name`(50)),
803
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
804
INSERT INTO t1 VALUES
805
(1,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample1',''),
806
(2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample2',''),
807
(3,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample3',''),
808
(4,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample4',''),
809
(5,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample5',''),
810
(6,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample6',''),
811
(7,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample7',''),
812
(8,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample8',''),
813
(9,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample9','');
825
DELETE FROM t1 WHERE _id < 8;
826
SHOW TABLE STATUS LIKE 't1';
827
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
828
t1 MyISAM 10 Dynamic 2 # # # # 140 # # # # # #
829
CHECK TABLE t1 EXTENDED;
830
Table Op Msg_type Msg_text
831
test.t1 check status OK
833
Table Op Msg_type Msg_text
834
test.t1 optimize status OK
835
CHECK TABLE t1 EXTENDED;
836
Table Op Msg_type Msg_text
837
test.t1 check status OK
838
SHOW TABLE STATUS LIKE 't1';
839
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
840
t1 MyISAM 10 Dynamic 2 # # # # 0 # # # # # #
847
`_id` int(11) NOT NULL default '0',
851
`loverlap` int(11) default NULL,
852
`roverlap` int(11) default NULL,
853
`lneighbor_id` int(11) default NULL,
854
`rneighbor_id` int(11) default NULL,
855
`length_` int(11) default NULL,
856
`sequence` mediumtext,
858
`_obj_class` text NOT NULL,
860
UNIQUE KEY `sequence_name_index` (`name`(50)),
862
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
863
INSERT INTO t1 VALUES
864
(1,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample1',''),
865
(2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample2',''),
866
(3,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample3',''),
867
(4,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample4',''),
868
(5,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample5',''),
869
(6,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample6',''),
870
(7,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample7',''),
871
(8,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample8',''),
872
(9,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample9','');
884
DELETE FROM t1 WHERE _id < 8;
885
SHOW TABLE STATUS LIKE 't1';
886
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
887
t1 MyISAM 10 Dynamic 2 # # # # 140 # # # # # #
888
CHECK TABLE t1 EXTENDED;
889
Table Op Msg_type Msg_text
890
test.t1 check status OK
891
REPAIR TABLE t1 QUICK;
892
Table Op Msg_type Msg_text
893
test.t1 repair status OK
894
CHECK TABLE t1 EXTENDED;
895
Table Op Msg_type Msg_text
896
test.t1 check status OK
897
SHOW TABLE STATUS LIKE 't1';
898
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
899
t1 MyISAM 10 Dynamic 2 # # # # 140 # # # # # #
905
SET @@myisam_repair_threads=1;
906
SHOW VARIABLES LIKE 'myisam_repair%';
908
myisam_repair_threads 1
909
CREATE TABLE t1(a VARCHAR(16));
910
INSERT INTO t1 VALUES('aaaaaaaa'),(NULL);
911
UPDATE t1 AS ta1, t1 AS ta2 SET ta1.a='aaaaaaaaaaaaaaaa';
917
CREATE TABLE t1(a INT);
918
INSERT INTO t1 VALUES(1),(2);
919
UPDATE t1,t1 AS t2 SET t1.a=t1.a+2 WHERE t1.a=t2.a-1;
920
SELECT * FROM t1 ORDER BY a;
925
CREATE TABLE t1 (c1 TEXT) AVG_ROW_LENGTH=70100 MAX_ROWS=4100100100;
926
SHOW TABLE STATUS LIKE 't1';
927
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
928
t1 MyISAM 10 Dynamic X X X 72057594037927935 X X X X X X latin1_swedish_ci X max_rows=4100100100 avg_row_length=70100
930
CREATE TABLE t1 (c1 TEXT NOT NULL, KEY c1 (c1(10))) ENGINE=MyISAM;
931
INSERT INTO t1 VALUES
932
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
933
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
934
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
935
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
936
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
937
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
938
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
939
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
940
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
941
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
942
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
943
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
944
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
945
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
946
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
947
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
948
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
949
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
950
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
951
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
952
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
953
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
954
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
955
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
956
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
957
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
958
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
959
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
960
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
961
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
962
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
963
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
964
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
965
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
966
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
967
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
968
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
969
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
970
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
971
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
972
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
973
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
974
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
975
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
976
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
977
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
978
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
979
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
980
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
981
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
982
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
983
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
984
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
985
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
986
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
987
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
988
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
989
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
990
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
991
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
992
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
993
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
994
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
995
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
996
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
997
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
998
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
999
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1000
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1001
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1002
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1003
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1004
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1005
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1006
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1007
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1008
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1009
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1010
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1011
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1012
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1013
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1014
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1015
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1016
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1017
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1018
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1019
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1020
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1021
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1022
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1023
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1024
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1025
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1026
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1027
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1028
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1029
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1030
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1031
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1032
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1033
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1034
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1035
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1036
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1037
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1038
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1039
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1040
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1041
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1042
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1043
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1044
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1045
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1046
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1047
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1048
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1049
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1050
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1051
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1052
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1053
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1054
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1055
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1056
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1057
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1058
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1059
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
1060
(''), (''), (''), (''),
1061
(' B'), (' B'), (' B'), (' B');
1062
SELECT DISTINCT COUNT(*) FROM t1 WHERE c1 = '';
1065
SELECT DISTINCT length(c1), c1 FROM t1 WHERE c1 = '';
1068
SELECT DISTINCT COUNT(*) FROM t1 IGNORE INDEX (c1) WHERE c1 = '';
1071
SELECT DISTINCT length(c1), c1 FROM t1 IGNORE INDEX (c1) WHERE c1 = '';
1074
SELECT DISTINCT length(c1), c1 FROM t1 ORDER BY c1;
1081
set storage_engine=MyISAM;
1082
drop table if exists t1,t2,t3;
1083
--- Testing varchar ---
1084
--- Testing varchar ---
1085
create table t1 (v varchar(10), c char(10), t text);
1086
insert into t1 values('+ ', '+ ', '+ ');
1087
set @a=repeat(' ',20);
1088
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
1090
Note 1265 Data truncated for column 'v' at row 1
1091
Note 1265 Data truncated for column 'c' at row 1
1092
select concat('*',v,'*',c,'*',t,'*') from t1;
1093
concat('*',v,'*',c,'*',t,'*')
1096
show create table t1;
1098
t1 CREATE TABLE `t1` (
1099
`v` varchar(10) DEFAULT NULL,
1100
`c` char(10) DEFAULT NULL,
1102
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1103
create table t2 like t1;
1104
show create table t2;
1106
t2 CREATE TABLE `t2` (
1107
`v` varchar(10) DEFAULT NULL,
1108
`c` char(10) DEFAULT NULL,
1110
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1111
create table t3 select * from t1;
1112
show create table t3;
1114
t3 CREATE TABLE `t3` (
1115
`v` varchar(10) DEFAULT NULL,
1116
`c` char(10) DEFAULT NULL,
1118
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1119
alter table t1 modify c varchar(10);
1120
show create table t1;
1122
t1 CREATE TABLE `t1` (
1123
`v` varchar(10) DEFAULT NULL,
1124
`c` varchar(10) DEFAULT NULL,
1126
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1127
alter table t1 modify v char(10);
1128
show create table t1;
1130
t1 CREATE TABLE `t1` (
1131
`v` char(10) DEFAULT NULL,
1132
`c` varchar(10) DEFAULT NULL,
1134
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1135
alter table t1 modify t varchar(10);
1137
Note 1265 Data truncated for column 't' at row 2
1138
show create table t1;
1140
t1 CREATE TABLE `t1` (
1141
`v` char(10) DEFAULT NULL,
1142
`c` varchar(10) DEFAULT NULL,
1143
`t` varchar(10) DEFAULT NULL
1144
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1145
select concat('*',v,'*',c,'*',t,'*') from t1;
1146
concat('*',v,'*',c,'*',t,'*')
1149
drop table t1,t2,t3;
1150
create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
1151
show create table t1;
1153
t1 CREATE TABLE `t1` (
1154
`v` varchar(10) DEFAULT NULL,
1155
`c` char(10) DEFAULT NULL,
1160
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1161
select count(*) from t1;
1164
insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
1165
select count(*) from t1 where v='a';
1168
select count(*) from t1 where c='a';
1171
select count(*) from t1 where t='a';
1174
select count(*) from t1 where v='a ';
1177
select count(*) from t1 where c='a ';
1180
select count(*) from t1 where t='a ';
1183
select count(*) from t1 where v between 'a' and 'a ';
1186
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1189
select count(*) from t1 where v like 'a%';
1192
select count(*) from t1 where c like 'a%';
1195
select count(*) from t1 where t like 'a%';
1198
select count(*) from t1 where v like 'a %';
1201
explain select count(*) from t1 where v='a ';
1202
id select_type table type possible_keys key key_len ref rows Extra
1203
1 SIMPLE t1 ref v v 13 const # Using where; Using index
1204
explain select count(*) from t1 where c='a ';
1205
id select_type table type possible_keys key key_len ref rows Extra
1206
1 SIMPLE t1 ref c c 11 const # Using where; Using index
1207
explain select count(*) from t1 where t='a ';
1208
id select_type table type possible_keys key key_len ref rows Extra
1209
1 SIMPLE t1 ref t t 13 const # Using where
1210
explain select count(*) from t1 where v like 'a%';
1211
id select_type table type possible_keys key key_len ref rows Extra
1212
1 SIMPLE t1 range v v 13 NULL # Using where; Using index
1213
explain select count(*) from t1 where v between 'a' and 'a ';
1214
id select_type table type possible_keys key key_len ref rows Extra
1215
1 SIMPLE t1 ref v v 13 const # Using where; Using index
1216
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1217
id select_type table type possible_keys key key_len ref rows Extra
1218
1 SIMPLE t1 ref v v 13 const # Using where; Using index
1219
alter table t1 add unique(v);
1220
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
1221
alter table t1 add key(v);
1222
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
1234
explain select * from t1 where v='a';
1235
id select_type table type possible_keys key key_len ref rows Extra
1236
1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
1237
select v,count(*) from t1 group by v limit 10;
1249
select v,count(t) from t1 group by v limit 10;
1261
select v,count(c) from t1 group by v limit 10;
1273
select sql_big_result v,count(t) from t1 group by v limit 10;
1285
select sql_big_result v,count(c) from t1 group by v limit 10;
1297
select c,count(*) from t1 group by c limit 10;
1309
select c,count(t) from t1 group by c limit 10;
1321
select sql_big_result c,count(t) from t1 group by c limit 10;
1333
select t,count(*) from t1 group by t limit 10;
1345
select t,count(t) from t1 group by t limit 10;
1357
select sql_big_result t,count(t) from t1 group by t limit 10;
1369
alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v);
1370
show create table t1;
1372
t1 CREATE TABLE `t1` (
1373
`v` varchar(300) DEFAULT NULL,
1374
`c` char(10) DEFAULT NULL,
1379
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1380
select count(*) from t1 where v='a';
1383
select count(*) from t1 where v='a ';
1386
select count(*) from t1 where v between 'a' and 'a ';
1389
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1392
select count(*) from t1 where v like 'a%';
1395
select count(*) from t1 where v like 'a %';
1398
explain select count(*) from t1 where v='a ';
1399
id select_type table type possible_keys key key_len ref rows Extra
1400
1 SIMPLE t1 ref v v 303 const # Using where; Using index
1401
explain select count(*) from t1 where v like 'a%';
1402
id select_type table type possible_keys key key_len ref rows Extra
1403
1 SIMPLE t1 range v v 303 NULL # Using where; Using index
1404
explain select count(*) from t1 where v between 'a' and 'a ';
1405
id select_type table type possible_keys key key_len ref rows Extra
1406
1 SIMPLE t1 ref v v 303 const # Using where; Using index
1407
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1408
id select_type table type possible_keys key key_len ref rows Extra
1409
1 SIMPLE t1 ref v v 303 const # Using where; Using index
1410
explain select * from t1 where v='a';
1411
id select_type table type possible_keys key key_len ref rows Extra
1412
1 SIMPLE t1 ref v v 303 const # Using index condition
1413
select v,count(*) from t1 group by v limit 10;
1425
select v,count(t) from t1 group by v limit 10;
1437
select sql_big_result v,count(t) from t1 group by v limit 10;
1449
alter table t1 drop key v, add key v (v(30));
1450
show create table t1;
1452
t1 CREATE TABLE `t1` (
1453
`v` varchar(300) DEFAULT NULL,
1454
`c` char(10) DEFAULT NULL,
1459
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1460
select count(*) from t1 where v='a';
1463
select count(*) from t1 where v='a ';
1466
select count(*) from t1 where v between 'a' and 'a ';
1469
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1472
select count(*) from t1 where v like 'a%';
1475
select count(*) from t1 where v like 'a %';
1478
explain select count(*) from t1 where v='a ';
1479
id select_type table type possible_keys key key_len ref rows Extra
1480
1 SIMPLE t1 ref v v 33 const # Using where
1481
explain select count(*) from t1 where v like 'a%';
1482
id select_type table type possible_keys key key_len ref rows Extra
1483
1 SIMPLE t1 range v v 33 NULL # Using where
1484
explain select count(*) from t1 where v between 'a' and 'a ';
1485
id select_type table type possible_keys key key_len ref rows Extra
1486
1 SIMPLE t1 ref v v 33 const # Using where
1487
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1488
id select_type table type possible_keys key key_len ref rows Extra
1489
1 SIMPLE t1 ref v v 33 const # Using where
1490
explain select * from t1 where v='a';
1491
id select_type table type possible_keys key key_len ref rows Extra
1492
1 SIMPLE t1 ref v v 33 const # Using where
1493
select v,count(*) from t1 group by v limit 10;
1505
select v,count(t) from t1 group by v limit 10;
1517
select sql_big_result v,count(t) from t1 group by v limit 10;
1529
alter table t1 modify v varchar(600), drop key v, add key v (v);
1530
show create table t1;
1532
t1 CREATE TABLE `t1` (
1533
`v` varchar(600) DEFAULT NULL,
1534
`c` char(10) DEFAULT NULL,
1539
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1540
select v,count(*) from t1 group by v limit 10;
1552
select v,count(t) from t1 group by v limit 10;
1564
select sql_big_result v,count(t) from t1 group by v limit 10;
1577
create table t1 (a char(10), unique (a));
1578
insert into t1 values ('a ');
1579
insert into t1 values ('a ');
1580
ERROR 23000: Duplicate entry 'a' for key 'a'
1581
alter table t1 modify a varchar(10);
1582
insert into t1 values ('a '),('a '),('a '),('a ');
1583
ERROR 23000: Duplicate entry 'a ' for key 'a'
1584
insert into t1 values ('a ');
1585
ERROR 23000: Duplicate entry 'a ' for key 'a'
1586
insert into t1 values ('a ');
1587
ERROR 23000: Duplicate entry 'a ' for key 'a'
1588
insert into t1 values ('a ');
1589
ERROR 23000: Duplicate entry 'a ' for key 'a'
1590
update t1 set a='a ' where a like 'a%';
1591
select concat(a,'.') from t1;
1594
update t1 set a='abc ' where a like 'a ';
1595
select concat(a,'.') from t1;
1598
update t1 set a='a ' where a like 'a %';
1599
select concat(a,'.') from t1;
1602
update t1 set a='a ' where a like 'a ';
1603
select concat(a,'.') from t1;
1607
create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5)));
1608
show create table t1;
1610
t1 CREATE TABLE `t1` (
1611
`v` varchar(10) DEFAULT NULL,
1612
`c` char(10) DEFAULT NULL,
1617
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1619
create table t1 (v char(10) character set utf8);
1620
show create table t1;
1622
t1 CREATE TABLE `t1` (
1623
`v` char(10) CHARACTER SET utf8 DEFAULT NULL
1624
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1626
create table t1 (v varchar(10), c char(10)) row_format=fixed;
1627
show create table t1;
1629
t1 CREATE TABLE `t1` (
1630
`v` varchar(10) DEFAULT NULL,
1631
`c` char(10) DEFAULT NULL
1632
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED
1633
insert into t1 values('a','a'),('a ','a ');
1634
select concat('*',v,'*',c,'*') from t1;
1635
concat('*',v,'*',c,'*')
1639
create table t1 (v varchar(65530), key(v(10)));
1640
insert into t1 values(repeat('a',65530));
1641
select length(v) from t1 where v=repeat('a',65530);
1645
create table t1(a int, b varchar(12), key ba(b, a));
1646
insert into t1 values (1, 'A'), (20, NULL);
1647
explain select * from t1 where a=20 and b is null;
1648
id select_type table type possible_keys key key_len ref rows Extra
1649
1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index
1650
select * from t1 where a=20 and b is null;
1654
create table t1 (v varchar(65530), key(v));
1656
Warning 1071 Specified key was too long; max key length is 1332 bytes
1657
drop table if exists t1;
1658
create table t1 (v varchar(65536));
1660
Note 1246 Converting column 'v' from VARCHAR to TEXT
1661
show create table t1;
1663
t1 CREATE TABLE `t1` (
1665
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1667
create table t1 (v varchar(65530) character set utf8);
1669
Note 1246 Converting column 'v' from VARCHAR to TEXT
1670
show create table t1;
1672
t1 CREATE TABLE `t1` (
1673
`v` mediumtext CHARACTER SET utf8
1674
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1676
create table t1 (v varchar(65535));
1677
ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. You have to change some columns to TEXT or BLOBs
1678
set storage_engine=MyISAM;
1679
set @save_concurrent_insert=@@concurrent_insert;
1680
set global concurrent_insert=1;
1681
create table t1 (a int);
1682
insert into t1 values (1),(2),(3),(4),(5);
1683
lock table t1 read local;
1684
insert into t1 values(6),(7);
1686
delete from t1 where a>=3 and a<=4;
1687
lock table t1 read local;
1688
set global concurrent_insert=2;
1689
insert into t1 values (8),(9);
1691
insert into t1 values (10),(11),(12);
1705
Table Op Msg_type Msg_text
1706
test.t1 check status OK
1708
create table t1 (a int, b varchar(30) default "hello");
1709
insert into t1 (a) values (1),(2),(3),(4),(5);
1710
lock table t1 read local;
1711
insert into t1 (a) values(6),(7);
1713
delete from t1 where a>=3 and a<=4;
1714
lock table t1 read local;
1715
set global concurrent_insert=2;
1716
insert into t1 (a) values (8),(9);
1718
insert into t1 (a) values (10),(11),(12);
1732
Table Op Msg_type Msg_text
1733
test.t1 check status OK
1735
set global concurrent_insert=@save_concurrent_insert;
1736
create table t1 (a int, key(a));
1737
insert into t1 values (1),(2),(3),(4),(NULL),(NULL),(NULL),(NULL);
1739
Table Op Msg_type Msg_text
1740
test.t1 analyze status OK
1742
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
1743
t1 1 a 1 a A 8 NULL NULL YES BTREE
1744
alter table t1 disable keys;
1745
alter table t1 enable keys;
1747
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
1748
t1 1 a 1 a A 8 NULL NULL YES BTREE
1750
create table t1 (c1 int) engine=myisam pack_keys=0;
1751
create table t2 (c1 int) engine=myisam pack_keys=1;
1752
create table t3 (c1 int) engine=myisam pack_keys=default;
1753
create table t4 (c1 int) engine=myisam pack_keys=2;
1754
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '2' at line 1
1755
drop table t1, t2, t3;
1756
CREATE TABLE t1(a INT, b INT, KEY inx (a), UNIQUE KEY uinx (b)) ENGINE=MyISAM;
1757
INSERT INTO t1(a,b) VALUES (1,1),(2,2),(3,3),(4,4),(5,5);
1758
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1761
ALTER TABLE t1 DISABLE KEYS;
1762
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1765
SELECT a FROM t1 USE INDEX (inx) WHERE a=1;
1768
SELECT b FROM t1 FORCE INDEX (uinx) WHERE b=1;
1771
SELECT b FROM t1 USE INDEX (uinx) WHERE b=1;
1774
SELECT a FROM t1 FORCE INDEX (inx,uinx) WHERE a=1;
1777
ALTER TABLE t1 ENABLE KEYS;
1778
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1782
CREATE TABLE t1 (c1 INT, c2 INT, UNIQUE INDEX (c1), INDEX (c2)) ENGINE=MYISAM;
1783
SHOW TABLE STATUS LIKE 't1';
1784
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
1785
t1 MyISAM 10 Fixed 0 # # # 1024 # # # # # # #
1786
INSERT INTO t1 VALUES (1,1);
1787
SHOW TABLE STATUS LIKE 't1';
1788
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
1789
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
1790
ALTER TABLE t1 DISABLE KEYS;
1791
SHOW TABLE STATUS LIKE 't1';
1792
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
1793
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
1794
ALTER TABLE t1 ENABLE KEYS;
1795
SHOW TABLE STATUS LIKE 't1';
1796
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
1797
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
1798
ALTER TABLE t1 DISABLE KEYS;
1799
SHOW TABLE STATUS LIKE 't1';
1800
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
1801
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
1802
ALTER TABLE t1 ENABLE KEYS;
1803
SHOW TABLE STATUS LIKE 't1';
1804
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
1805
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
1806
# Enable keys with parallel repair
1807
SET @@myisam_repair_threads=2;
1808
ALTER TABLE t1 DISABLE KEYS;
1809
ALTER TABLE t1 ENABLE KEYS;
1810
SET @@myisam_repair_threads=1;
1811
CHECK TABLE t1 EXTENDED;
1812
Table Op Msg_type Msg_text
1813
test.t1 check status OK
1815
CREATE TABLE t1 (id int NOT NULL, ref int NOT NULL, INDEX (id)) ENGINE=MyISAM;
1816
CREATE TABLE t2 LIKE t1;
1817
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
1818
INSERT INTO t1 SELECT * FROM t2;
1819
SELECT * FROM t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
1829
DELETE FROM a USING t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
1838
create table t1 (a int not null, key `a` (a) key_block_size=1024);
1839
show create table t1;
1841
t1 CREATE TABLE `t1` (
1842
`a` int(11) NOT NULL,
1843
KEY `a` (`a`) KEY_BLOCK_SIZE=1024
1844
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1846
create table t1 (a int not null, key `a` (a) key_block_size=2048);
1847
show create table t1;
1849
t1 CREATE TABLE `t1` (
1850
`a` int(11) NOT NULL,
1851
KEY `a` (`a`) KEY_BLOCK_SIZE=2048
1852
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1854
create table t1 (a varchar(2048), key `a` (a));
1856
Warning 1071 Specified key was too long; max key length is 1332 bytes
1857
show create table t1;
1859
t1 CREATE TABLE `t1` (
1860
`a` varchar(2048) DEFAULT NULL,
1862
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1864
create table t1 (a varchar(2048), key `a` (a) key_block_size=1024);
1866
Warning 1071 Specified key was too long; max key length is 1332 bytes
1867
show create table t1;
1869
t1 CREATE TABLE `t1` (
1870
`a` varchar(2048) DEFAULT NULL,
1871
KEY `a` (`a`(1332)) KEY_BLOCK_SIZE=6144
1872
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1874
create table t1 (a int not null, b varchar(2048), key (a), key(b)) key_block_size=1024;
1876
Warning 1071 Specified key was too long; max key length is 1332 bytes
1877
show create table t1;
1879
t1 CREATE TABLE `t1` (
1880
`a` int(11) NOT NULL,
1881
`b` varchar(2048) DEFAULT NULL,
1883
KEY `b` (`b`(1332)) KEY_BLOCK_SIZE=6144
1884
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=1024
1885
alter table t1 key_block_size=2048;
1886
show create table t1;
1888
t1 CREATE TABLE `t1` (
1889
`a` int(11) NOT NULL,
1890
`b` varchar(2048) DEFAULT NULL,
1891
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1892
KEY `b` (`b`(1332)) KEY_BLOCK_SIZE=8192
1893
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=2048
1894
alter table t1 add c int, add key (c);
1895
show create table t1;
1897
t1 CREATE TABLE `t1` (
1898
`a` int(11) NOT NULL,
1899
`b` varchar(2048) DEFAULT NULL,
1900
`c` int(11) DEFAULT NULL,
1901
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1902
KEY `b` (`b`(1332)) KEY_BLOCK_SIZE=8192,
1904
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=2048
1905
alter table t1 key_block_size=0;
1906
alter table t1 add d int, add key (d);
1907
show create table t1;
1909
t1 CREATE TABLE `t1` (
1910
`a` int(11) NOT NULL,
1911
`b` varchar(2048) DEFAULT NULL,
1912
`c` int(11) DEFAULT NULL,
1913
`d` int(11) DEFAULT NULL,
1914
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1915
KEY `b` (`b`(1332)) KEY_BLOCK_SIZE=8192,
1916
KEY `c` (`c`) KEY_BLOCK_SIZE=2048,
1918
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1920
create table t1 (a int not null, b varchar(2048), key (a), key(b)) key_block_size=8192;
1922
Warning 1071 Specified key was too long; max key length is 1332 bytes
1923
show create table t1;
1925
t1 CREATE TABLE `t1` (
1926
`a` int(11) NOT NULL,
1927
`b` varchar(2048) DEFAULT NULL,
1930
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=8192
1932
create table t1 (a int not null, b varchar(2048), key (a) key_block_size=1024, key(b)) key_block_size=8192;
1934
Warning 1071 Specified key was too long; max key length is 1332 bytes
1935
show create table t1;
1937
t1 CREATE TABLE `t1` (
1938
`a` int(11) NOT NULL,
1939
`b` varchar(2048) DEFAULT NULL,
1940
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1942
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=8192
1944
create table t1 (a int not null, b int, key (a) key_block_size=1024, key(b) key_block_size=8192) key_block_size=16384;
1945
show create table t1;
1947
t1 CREATE TABLE `t1` (
1948
`a` int(11) NOT NULL,
1949
`b` int(11) DEFAULT NULL,
1950
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1951
KEY `b` (`b`) KEY_BLOCK_SIZE=8192
1952
) ENGINE=MyISAM DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=16384
1954
create table t1 (a int not null, key `a` (a) key_block_size=512);
1955
show create table t1;
1957
t1 CREATE TABLE `t1` (
1958
`a` int(11) NOT NULL,
1959
KEY `a` (`a`) KEY_BLOCK_SIZE=1024
1960
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1962
create table t1 (a varchar(2048), key `a` (a) key_block_size=1000000000000000000);
1964
Warning 1071 Specified key was too long; max key length is 1332 bytes
1965
show create table t1;
1967
t1 CREATE TABLE `t1` (
1968
`a` varchar(2048) DEFAULT NULL,
1969
KEY `a` (`a`(1332)) KEY_BLOCK_SIZE=6144
1970
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1972
create table t1 (a int not null, key `a` (a) key_block_size=1025);
1973
show create table t1;
1975
t1 CREATE TABLE `t1` (
1976
`a` int(11) NOT NULL,
1977
KEY `a` (`a`) KEY_BLOCK_SIZE=2048
1978
) ENGINE=MyISAM DEFAULT CHARSET=latin1
1980
create table t1 (a int not null, key key_block_size=1024 (a));
1981
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '=1024 (a))' at line 1
1982
create table t1 (a int not null, key `a` key_block_size=1024 (a));
1983
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_block_size=1024 (a))' at line 1
1987
KEY (c1) KEY_BLOCK_SIZE 1024,
1988
KEY (c2) KEY_BLOCK_SIZE 8192
1990
INSERT INTO t1 VALUES (10, REPEAT('a', CEIL(RAND(10) * 300))),
1991
(11, REPEAT('b', CEIL(RAND() * 300))),
1992
(12, REPEAT('c', CEIL(RAND() * 300))),
1993
(13, REPEAT('d', CEIL(RAND() * 300))),
1994
(14, REPEAT('e', CEIL(RAND() * 300))),
1995
(15, REPEAT('f', CEIL(RAND() * 300))),
1996
(16, REPEAT('g', CEIL(RAND() * 300))),
1997
(17, REPEAT('h', CEIL(RAND() * 300))),
1998
(18, REPEAT('i', CEIL(RAND() * 300))),
1999
(19, REPEAT('j', CEIL(RAND() * 300))),
2000
(20, REPEAT('k', CEIL(RAND() * 300))),
2001
(21, REPEAT('l', CEIL(RAND() * 300))),
2002
(22, REPEAT('m', CEIL(RAND() * 300))),
2003
(23, REPEAT('n', CEIL(RAND() * 300))),
2004
(24, REPEAT('o', CEIL(RAND() * 300))),
2005
(25, REPEAT('p', CEIL(RAND() * 300))),
2006
(26, REPEAT('q', CEIL(RAND() * 300))),
2007
(27, REPEAT('r', CEIL(RAND() * 300))),
2008
(28, REPEAT('s', CEIL(RAND() * 300))),
2009
(29, REPEAT('t', CEIL(RAND() * 300))),
2010
(30, REPEAT('u', CEIL(RAND() * 300))),
2011
(31, REPEAT('v', CEIL(RAND() * 300))),
2012
(32, REPEAT('w', CEIL(RAND() * 300))),
2013
(33, REPEAT('x', CEIL(RAND() * 300))),
2014
(34, REPEAT('y', CEIL(RAND() * 300))),
2015
(35, REPEAT('z', CEIL(RAND() * 300)));
2016
INSERT INTO t1 SELECT * FROM t1;
2017
INSERT INTO t1 SELECT * FROM t1;
2019
Table Op Msg_type Msg_text
2020
test.t1 check status OK
2022
Table Op Msg_type Msg_text
2023
test.t1 repair status OK
2024
DELETE FROM t1 WHERE c1 >= 10;
2026
Table Op Msg_type Msg_text
2027
test.t1 check status OK
2033
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
2034
SELECT COUNT(*) FROM t1;
2038
Table Op Msg_type Msg_text
2039
test.t1 check status OK
2041
Table Op Msg_type Msg_text
2042
test.t1 repair status OK
2043
SELECT COUNT(*) FROM t1;
2047
Table Op Msg_type Msg_text
2048
test.t1 check status OK
2054
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
2055
SELECT COUNT(*) FROM t1;
2058
CHECK TABLE t1 EXTENDED;
2059
Table Op Msg_type Msg_text
2060
test.t1 check status OK
2061
REPAIR TABLE t1 EXTENDED;
2062
Table Op Msg_type Msg_text
2063
test.t1 repair status OK
2064
SELECT COUNT(*) FROM t1;
2067
CHECK TABLE t1 EXTENDED;
2068
Table Op Msg_type Msg_text
2069
test.t1 check status OK
2075
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
2076
INSERT INTO t1 VALUES('b', 'b');
2077
INSERT INTO t1 VALUES('c', 'b');
2078
DELETE FROM t1 WHERE c1='b';
2079
SELECT COUNT(*) FROM t1;
2083
Table Op Msg_type Msg_text
2084
test.t1 optimize status OK
2085
SELECT COUNT(*) FROM t1;
2094
# Insert 100 rows. Query log disabled.
2095
UPDATE t1 SET c1=REPEAT("a",128) LIMIT 90;
2096
SELECT COUNT(*) FROM t1;
2099
ALTER TABLE t1 ENGINE=MyISAM;
2100
SELECT COUNT(*) FROM t1;
2104
Table Op Msg_type Msg_text
2105
test.t1 check status OK
2106
CHECK TABLE t1 EXTENDED;
2107
Table Op Msg_type Msg_text
2108
test.t1 check status OK
2113
) ENGINE=MyISAM DEFAULT CHARSET UTF8;
2114
INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b');
2115
SELECT COUNT(*) FROM t1;
2119
Table Op Msg_type Msg_text
2120
test.t1 check status OK
2122
Table Op Msg_type Msg_text
2123
test.t1 repair status OK
2124
SELECT COUNT(*) FROM t1;
2128
Table Op Msg_type Msg_text
2129
test.t1 check status OK
2134
) ENGINE=MyISAM DEFAULT CHARSET UTF8;
2135
INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b');
2136
SELECT COUNT(*) FROM t1;
2139
CHECK TABLE t1 EXTENDED;
2140
Table Op Msg_type Msg_text
2141
test.t1 check status OK
2142
REPAIR TABLE t1 EXTENDED;
2143
Table Op Msg_type Msg_text
2144
test.t1 repair status OK
2145
SELECT COUNT(*) FROM t1;
2148
CHECK TABLE t1 EXTENDED;
2149
Table Op Msg_type Msg_text
2150
test.t1 check status OK
2155
) ENGINE=MyISAM DEFAULT CHARSET UTF8;
2156
INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b');
2157
INSERT INTO t1 VALUES('b', 'b');
2158
INSERT INTO t1 VALUES('c', 'b');
2159
DELETE FROM t1 WHERE c1='b';
2160
SELECT COUNT(*) FROM t1;
2164
Table Op Msg_type Msg_text
2165
test.t1 optimize status OK
2166
SELECT COUNT(*) FROM t1;
2174
) ENGINE=MyISAM DEFAULT CHARSET UTF8;
2175
# Insert 100 rows. Query log disabled.
2176
UPDATE t1 SET c1=REPEAT(_utf8 x'e0ae85',43) LIMIT 90;
2177
SELECT COUNT(*) FROM t1;
2180
ALTER TABLE t1 ENGINE=MyISAM;
2181
SELECT COUNT(*) FROM t1;
2185
Table Op Msg_type Msg_text
2186
test.t1 check status OK
2187
CHECK TABLE t1 EXTENDED;
2188
Table Op Msg_type Msg_text
2189
test.t1 check status OK
2192
c1 VARCHAR(10) NOT NULL,
2193
c2 CHAR(10) DEFAULT NULL,
2194
c3 VARCHAR(10) NOT NULL,
2197
) ENGINE=MyISAM DEFAULT CHARSET=utf8 PACK_KEYS=0;
2199
MyISAM file: MYSQLTEST_VARDIR/master-data/test/t1
2200
Record format: Packed
2201
Character set: utf8_general_ci (45)
2202
Data records: 0 Deleted blocks: 0
2206
Key Start Len Index Type
2207
1 2 40 multip. varchar
2208
2 43 40 multip. char NULL