1
drop table if exists t1,t2;
3
CREATE TEMPORARY TABLE t1 (
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 int not null auto_increment, b blob not null, primary key (a));
19
Table Op Msg_type Msg_text
20
test.t1 check status OK
21
delete from t1 where (a mod 2) = 1;
23
Table Op Msg_type Msg_text
24
test.t1 check status OK
26
create TEMPORARY table t1 (a int not null auto_increment, b int not null, primary key (a), index(b)) ENGINE=MYISAM;
27
insert into t1 (b) values (1),(2),(2),(2),(2);
28
alter table t1 engine=MYISAM;
30
Table Unique Key_name Seq_in_index Column_name
33
alter table t1 engine=MyISAM;
35
Table Unique Key_name Seq_in_index Column_name
39
create temporary table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=myisam;
40
insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4);
41
explain select * from t1 order by a;
42
id select_type table type possible_keys key key_len ref rows Extra
43
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
44
explain select * from t1 order by b;
45
id select_type table type possible_keys key key_len ref rows Extra
46
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
47
explain select * from t1 order by c;
48
id select_type table type possible_keys key key_len ref rows Extra
49
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
50
explain select a from t1 order by a;
51
id select_type table type possible_keys key key_len ref rows Extra
52
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 Using index
53
explain select b from t1 order by b;
54
id select_type table type possible_keys key key_len ref rows Extra
55
1 SIMPLE t1 index NULL b 4 NULL 4 Using index
56
explain select a,b from t1 order by b;
57
id select_type table type possible_keys key key_len ref rows Extra
58
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
59
explain select a,b from t1;
60
id select_type table type possible_keys key key_len ref rows Extra
61
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
62
explain select a,b,c from t1;
63
id select_type table type possible_keys key key_len ref rows Extra
64
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
66
create temporary table t1 ( t1 char(255), key(t1(250))) ENGINE=MYISAM;
67
insert t1 values ('137513751375137513751375137513751375137569516951695169516951695169516951695169');
68
insert t1 values ('178417841784178417841784178417841784178403420342034203420342034203420342034203');
69
insert t1 values ('213872387238723872387238723872387238723867376737673767376737673767376737673767');
70
insert t1 values ('242624262426242624262426242624262426242607890789078907890789078907890789078907');
71
insert t1 values ('256025602560256025602560256025602560256011701170117011701170117011701170117011');
72
insert t1 values ('276027602760276027602760276027602760276001610161016101610161016101610161016101');
73
insert t1 values ('281528152815281528152815281528152815281564956495649564956495649564956495649564');
74
insert t1 values ('292129212921292129212921292129212921292102100210021002100210021002100210021002');
75
insert t1 values ('380638063806380638063806380638063806380634483448344834483448344834483448344834');
76
insert t1 values ('411641164116411641164116411641164116411616301630163016301630163016301630163016');
77
insert t1 values ('420842084208420842084208420842084208420899889988998899889988998899889988998899');
78
insert t1 values ('438443844384438443844384438443844384438482448244824482448244824482448244824482');
79
insert t1 values ('443244324432443244324432443244324432443239613961396139613961396139613961396139');
80
insert t1 values ('485448544854485448544854485448544854485477847784778477847784778477847784778477');
81
insert t1 values ('494549454945494549454945494549454945494555275527552755275527552755275527552755');
82
insert t1 values ('538647864786478647864786478647864786478688918891889188918891889188918891889188');
83
insert t1 values ('565556555655565556555655565556555655565554845484548454845484548454845484548454');
84
insert t1 values ('607860786078607860786078607860786078607856665666566656665666566656665666566656');
85
insert t1 values ('640164016401640164016401640164016401640141274127412741274127412741274127412741');
86
insert t1 values ('719471947194719471947194719471947194719478717871787178717871787178717871787178');
87
insert t1 values ('742574257425742574257425742574257425742549604960496049604960496049604960496049');
88
insert t1 values ('887088708870887088708870887088708870887035963596359635963596359635963596359635');
89
insert t1 values ('917791779177917791779177917791779177917773857385738573857385738573857385738573');
90
insert t1 values ('933293329332933293329332933293329332933278987898789878987898789878987898789878');
91
insert t1 values ('963896389638963896389638963896389638963877807780778077807780778077807780778077');
92
delete from t1 where t1>'2';
93
insert t1 values ('70'), ('84'), ('60'), ('20'), ('76'), ('89'), ('49'), ('50'),
94
('88'), ('61'), ('42'), ('98'), ('39'), ('30'), ('25'), ('66'), ('61'), ('48'),
95
('80'), ('84'), ('98'), ('19'), ('91'), ('42'), ('47');
96
alter table t1 ENGINE=myisam;
98
Table Op Msg_type Msg_text
99
test.t1 check status OK
101
create temporary table t1 (i1 int, i2 int, i3 int, i4 int, i5 int, i6 int, i7 int, i8
102
int, i9 int, i10 int, i11 int, i12 int, i13 int, i14 int, i15 int, i16 int, i17
103
int, i18 int, i19 int, i20 int, i21 int, i22 int, i23 int, i24 int, i25 int,
104
i26 int, i27 int, i28 int, i29 int, i30 int, i31 int, i32 int, i33 int, i34
105
int, i35 int, i36 int, i37 int, i38 int, i39 int, i40 int, i41 int, i42 int,
106
i43 int, i44 int, i45 int, i46 int, i47 int, i48 int, i49 int, i50 int, i51
107
int, i52 int, i53 int, i54 int, i55 int, i56 int, i57 int, i58 int, i59 int,
108
i60 int, i61 int, i62 int, i63 int, i64 int, i65 int, i66 int, i67 int, i68
109
int, i69 int, i70 int, i71 int, i72 int, i73 int, i74 int, i75 int, i76 int,
110
i77 int, i78 int, i79 int, i80 int, i81 int, i82 int, i83 int, i84 int, i85
111
int, i86 int, i87 int, i88 int, i89 int, i90 int, i91 int, i92 int, i93 int,
112
i94 int, i95 int, i96 int, i97 int, i98 int, i99 int, i100 int, i101 int, i102
113
int, i103 int, i104 int, i105 int, i106 int, i107 int, i108 int, i109 int, i110
114
int, i111 int, i112 int, i113 int, i114 int, i115 int, i116 int, i117 int, i118
115
int, i119 int, i120 int, i121 int, i122 int, i123 int, i124 int, i125 int, i126
116
int, i127 int, i128 int, i129 int, i130 int, i131 int, i132 int, i133 int, i134
117
int, i135 int, i136 int, i137 int, i138 int, i139 int, i140 int, i141 int, i142
118
int, i143 int, i144 int, i145 int, i146 int, i147 int, i148 int, i149 int, i150
119
int, i151 int, i152 int, i153 int, i154 int, i155 int, i156 int, i157 int, i158
120
int, i159 int, i160 int, i161 int, i162 int, i163 int, i164 int, i165 int, i166
121
int, i167 int, i168 int, i169 int, i170 int, i171 int, i172 int, i173 int, i174
122
int, i175 int, i176 int, i177 int, i178 int, i179 int, i180 int, i181 int, i182
123
int, i183 int, i184 int, i185 int, i186 int, i187 int, i188 int, i189 int, i190
124
int, i191 int, i192 int, i193 int, i194 int, i195 int, i196 int, i197 int, i198
125
int, i199 int, i200 int, i201 int, i202 int, i203 int, i204 int, i205 int, i206
126
int, i207 int, i208 int, i209 int, i210 int, i211 int, i212 int, i213 int, i214
127
int, i215 int, i216 int, i217 int, i218 int, i219 int, i220 int, i221 int, i222
128
int, i223 int, i224 int, i225 int, i226 int, i227 int, i228 int, i229 int, i230
129
int, i231 int, i232 int, i233 int, i234 int, i235 int, i236 int, i237 int, i238
130
int, i239 int, i240 int, i241 int, i242 int, i243 int, i244 int, i245 int, i246
131
int, i247 int, i248 int, i249 int, i250 int, i251 int, i252 int, i253 int, i254
132
int, i255 int, i256 int, i257 int, i258 int, i259 int, i260 int, i261 int, i262
133
int, i263 int, i264 int, i265 int, i266 int, i267 int, i268 int, i269 int, i270
134
int, i271 int, i272 int, i273 int, i274 int, i275 int, i276 int, i277 int, i278
135
int, i279 int, i280 int, i281 int, i282 int, i283 int, i284 int, i285 int, i286
136
int, i287 int, i288 int, i289 int, i290 int, i291 int, i292 int, i293 int, i294
137
int, i295 int, i296 int, i297 int, i298 int, i299 int, i300 int, i301 int, i302
138
int, i303 int, i304 int, i305 int, i306 int, i307 int, i308 int, i309 int, i310
139
int, i311 int, i312 int, i313 int, i314 int, i315 int, i316 int, i317 int, i318
140
int, i319 int, i320 int, i321 int, i322 int, i323 int, i324 int, i325 int, i326
141
int, i327 int, i328 int, i329 int, i330 int, i331 int, i332 int, i333 int, i334
142
int, i335 int, i336 int, i337 int, i338 int, i339 int, i340 int, i341 int, i342
143
int, i343 int, i344 int, i345 int, i346 int, i347 int, i348 int, i349 int, i350
144
int, i351 int, i352 int, i353 int, i354 int, i355 int, i356 int, i357 int, i358
145
int, i359 int, i360 int, i361 int, i362 int, i363 int, i364 int, i365 int, i366
146
int, i367 int, i368 int, i369 int, i370 int, i371 int, i372 int, i373 int, i374
147
int, i375 int, i376 int, i377 int, i378 int, i379 int, i380 int, i381 int, i382
148
int, i383 int, i384 int, i385 int, i386 int, i387 int, i388 int, i389 int, i390
149
int, i391 int, i392 int, i393 int, i394 int, i395 int, i396 int, i397 int, i398
150
int, i399 int, i400 int, i401 int, i402 int, i403 int, i404 int, i405 int, i406
151
int, i407 int, i408 int, i409 int, i410 int, i411 int, i412 int, i413 int, i414
152
int, i415 int, i416 int, i417 int, i418 int, i419 int, i420 int, i421 int, i422
153
int, i423 int, i424 int, i425 int, i426 int, i427 int, i428 int, i429 int, i430
154
int, i431 int, i432 int, i433 int, i434 int, i435 int, i436 int, i437 int, i438
155
int, i439 int, i440 int, i441 int, i442 int, i443 int, i444 int, i445 int, i446
156
int, i447 int, i448 int, i449 int, i450 int, i451 int, i452 int, i453 int, i454
157
int, i455 int, i456 int, i457 int, i458 int, i459 int, i460 int, i461 int, i462
158
int, i463 int, i464 int, i465 int, i466 int, i467 int, i468 int, i469 int, i470
159
int, i471 int, i472 int, i473 int, i474 int, i475 int, i476 int, i477 int, i478
160
int, i479 int, i480 int, i481 int, i482 int, i483 int, i484 int, i485 int, i486
161
int, i487 int, i488 int, i489 int, i490 int, i491 int, i492 int, i493 int, i494
162
int, i495 int, i496 int, i497 int, i498 int, i499 int, i500 int, i501 int, i502
163
int, i503 int, i504 int, i505 int, i506 int, i507 int, i508 int, i509 int, i510
164
int, i511 int, i512 int, i513 int, i514 int, i515 int, i516 int, i517 int, i518
165
int, i519 int, i520 int, i521 int, i522 int, i523 int, i524 int, i525 int, i526
166
int, i527 int, i528 int, i529 int, i530 int, i531 int, i532 int, i533 int, i534
167
int, i535 int, i536 int, i537 int, i538 int, i539 int, i540 int, i541 int, i542
168
int, i543 int, i544 int, i545 int, i546 int, i547 int, i548 int, i549 int, i550
169
int, i551 int, i552 int, i553 int, i554 int, i555 int, i556 int, i557 int, i558
170
int, i559 int, i560 int, i561 int, i562 int, i563 int, i564 int, i565 int, i566
171
int, i567 int, i568 int, i569 int, i570 int, i571 int, i572 int, i573 int, i574
172
int, i575 int, i576 int, i577 int, i578 int, i579 int, i580 int, i581 int, i582
173
int, i583 int, i584 int, i585 int, i586 int, i587 int, i588 int, i589 int, i590
174
int, i591 int, i592 int, i593 int, i594 int, i595 int, i596 int, i597 int, i598
175
int, i599 int, i600 int, i601 int, i602 int, i603 int, i604 int, i605 int, i606
176
int, i607 int, i608 int, i609 int, i610 int, i611 int, i612 int, i613 int, i614
177
int, i615 int, i616 int, i617 int, i618 int, i619 int, i620 int, i621 int, i622
178
int, i623 int, i624 int, i625 int, i626 int, i627 int, i628 int, i629 int, i630
179
int, i631 int, i632 int, i633 int, i634 int, i635 int, i636 int, i637 int, i638
180
int, i639 int, i640 int, i641 int, i642 int, i643 int, i644 int, i645 int, i646
181
int, i647 int, i648 int, i649 int, i650 int, i651 int, i652 int, i653 int, i654
182
int, i655 int, i656 int, i657 int, i658 int, i659 int, i660 int, i661 int, i662
183
int, i663 int, i664 int, i665 int, i666 int, i667 int, i668 int, i669 int, i670
184
int, i671 int, i672 int, i673 int, i674 int, i675 int, i676 int, i677 int, i678
185
int, i679 int, i680 int, i681 int, i682 int, i683 int, i684 int, i685 int, i686
186
int, i687 int, i688 int, i689 int, i690 int, i691 int, i692 int, i693 int, i694
187
int, i695 int, i696 int, i697 int, i698 int, i699 int, i700 int, i701 int, i702
188
int, i703 int, i704 int, i705 int, i706 int, i707 int, i708 int, i709 int, i710
189
int, i711 int, i712 int, i713 int, i714 int, i715 int, i716 int, i717 int, i718
190
int, i719 int, i720 int, i721 int, i722 int, i723 int, i724 int, i725 int, i726
191
int, i727 int, i728 int, i729 int, i730 int, i731 int, i732 int, i733 int, i734
192
int, i735 int, i736 int, i737 int, i738 int, i739 int, i740 int, i741 int, i742
193
int, i743 int, i744 int, i745 int, i746 int, i747 int, i748 int, i749 int, i750
194
int, i751 int, i752 int, i753 int, i754 int, i755 int, i756 int, i757 int, i758
195
int, i759 int, i760 int, i761 int, i762 int, i763 int, i764 int, i765 int, i766
196
int, i767 int, i768 int, i769 int, i770 int, i771 int, i772 int, i773 int, i774
197
int, i775 int, i776 int, i777 int, i778 int, i779 int, i780 int, i781 int, i782
198
int, i783 int, i784 int, i785 int, i786 int, i787 int, i788 int, i789 int, i790
199
int, i791 int, i792 int, i793 int, i794 int, i795 int, i796 int, i797 int, i798
200
int, i799 int, i800 int, i801 int, i802 int, i803 int, i804 int, i805 int, i806
201
int, i807 int, i808 int, i809 int, i810 int, i811 int, i812 int, i813 int, i814
202
int, i815 int, i816 int, i817 int, i818 int, i819 int, i820 int, i821 int, i822
203
int, i823 int, i824 int, i825 int, i826 int, i827 int, i828 int, i829 int, i830
204
int, i831 int, i832 int, i833 int, i834 int, i835 int, i836 int, i837 int, i838
205
int, i839 int, i840 int, i841 int, i842 int, i843 int, i844 int, i845 int, i846
206
int, i847 int, i848 int, i849 int, i850 int, i851 int, i852 int, i853 int, i854
207
int, i855 int, i856 int, i857 int, i858 int, i859 int, i860 int, i861 int, i862
208
int, i863 int, i864 int, i865 int, i866 int, i867 int, i868 int, i869 int, i870
209
int, i871 int, i872 int, i873 int, i874 int, i875 int, i876 int, i877 int, i878
210
int, i879 int, i880 int, i881 int, i882 int, i883 int, i884 int, i885 int, i886
211
int, i887 int, i888 int, i889 int, i890 int, i891 int, i892 int, i893 int, i894
212
int, i895 int, i896 int, i897 int, i898 int, i899 int, i900 int, i901 int, i902
213
int, i903 int, i904 int, i905 int, i906 int, i907 int, i908 int, i909 int, i910
214
int, i911 int, i912 int, i913 int, i914 int, i915 int, i916 int, i917 int, i918
215
int, i919 int, i920 int, i921 int, i922 int, i923 int, i924 int, i925 int, i926
216
int, i927 int, i928 int, i929 int, i930 int, i931 int, i932 int, i933 int, i934
217
int, i935 int, i936 int, i937 int, i938 int, i939 int, i940 int, i941 int, i942
218
int, i943 int, i944 int, i945 int, i946 int, i947 int, i948 int, i949 int, i950
219
int, i951 int, i952 int, i953 int, i954 int, i955 int, i956 int, i957 int, i958
220
int, i959 int, i960 int, i961 int, i962 int, i963 int, i964 int, i965 int, i966
221
int, i967 int, i968 int, i969 int, i970 int, i971 int, i972 int, i973 int, i974
222
int, i975 int, i976 int, i977 int, i978 int, i979 int, i980 int, i981 int, i982
223
int, i983 int, i984 int, i985 int, i986 int, i987 int, i988 int, i989 int, i990
224
int, i991 int, i992 int, i993 int, i994 int, i995 int, i996 int, i997 int, i998
225
int, i999 int, i1000 int, b blob) engine=myisam row_format=dynamic;
226
insert into t1 values (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
227
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,
228
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,
229
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,
230
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,
231
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,
232
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,
233
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,
234
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,
235
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,
236
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,
237
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,
238
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,
239
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,
240
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,
241
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,
242
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,
243
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,
244
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,
245
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,
246
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,
247
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,
248
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,
249
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,
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, "Sergei");
265
update t1 set b=repeat('a',256);
266
update t1 set i1=0, i2=0, i3=0, i4=0, i5=0, i6=0, i7=0;
268
Table Op Msg_type Msg_text
269
test.t1 check status OK
270
delete from t1 where i8=1;
271
select i1,i2 from t1;
274
Table Op Msg_type Msg_text
275
test.t1 check status OK
277
CREATE TEMPORARY TABLE `t1` (
278
`post_id` int NOT NULL auto_increment,
279
`topic_id` int NOT NULL default '0',
280
`post_time` datetime,
281
`post_text` text NOT NULL,
282
`icon_url` varchar(10) NOT NULL default '',
283
`sign` int NOT NULL default '0',
284
`post_edit` varchar(150) NOT NULL default '',
285
`poster_login` varchar(35) NOT NULL default '',
286
`ip` varchar(15) NOT NULL default '',
287
PRIMARY KEY (`post_id`),
288
KEY `post_time` (`post_time`),
290
KEY `poster_login` (`poster_login`),
291
KEY `topic_id` (`topic_id`)
292
# FULLTEXT KEY `post_text` (`post_text`)
294
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');
296
Table Op Msg_type Msg_text
297
test.t1 check status OK
299
CREATE TEMPORARY TABLE t1 (a varchar(300), b varchar(300), c varchar(300), d varchar(300), e varchar(300), KEY t1 (a, b, c, d, e)) ENGINE=MyISAM;
300
ERROR 42000: Specified key was too long; max key length is 1332 bytes
301
CREATE TEMPORARY TABLE t1 (a varchar(300), b varchar(300), c varchar(300), d varchar(300), e varchar(300)) ENGINE=MyISAM;
302
ALTER TABLE t1 ADD INDEX t1 (a, b, c, d, e);
303
ERROR 42000: Specified key was too long; max key length is 1332 bytes
305
CREATE TEMPORARY TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a)) ENGINE=MyISAM;
306
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
307
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
308
INSERT into t2 values (1,1,1), (2,2,2);
309
alter table t1 ENGINE=MYISAM;
311
Table Unique Key_name Seq_in_index Column_name
318
explain select * from t1,t2 where t1.a=t2.a;
319
id select_type table type possible_keys key key_len ref rows Extra
320
1 SIMPLE t2 ALL a NULL NULL NULL 2
321
1 SIMPLE t1 ref a a 4 test.t2.a 1
322
explain select * from t1,t2 force index(a) where t1.a=t2.a;
323
id select_type table type possible_keys key key_len ref rows Extra
324
1 SIMPLE t2 ALL a NULL NULL NULL 2
325
1 SIMPLE t1 ref a a 4 test.t2.a 1
326
explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
327
id select_type table type possible_keys key key_len ref rows Extra
328
1 SIMPLE t2 ALL a NULL NULL NULL 2
329
1 SIMPLE t1 ref a a 4 test.t2.a 1
330
explain select * from t1,t2 where t1.b=t2.b;
331
id select_type table type possible_keys key key_len ref rows Extra
332
1 SIMPLE t2 ALL b NULL NULL NULL 2
333
1 SIMPLE t1 ALL b NULL NULL NULL 5 Using where; Using join buffer
334
explain select * from t1,t2 force index(c) where t1.a=t2.a;
335
id select_type table type possible_keys key key_len ref rows Extra
336
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
337
1 SIMPLE t1 ref a a 4 test.t2.a 1
338
explain select * from t1 where a=0 or a=2;
339
id select_type table type possible_keys key key_len ref rows Extra
340
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
341
explain select * from t1 force index (a) where a=0 or a=2;
342
id select_type table type possible_keys key key_len ref rows Extra
343
1 SIMPLE t1 range a a 4 NULL 4 Using where
344
explain select * from t1 where c=1;
345
id select_type table type possible_keys key key_len ref rows Extra
346
1 SIMPLE t1 ref c,c_2 c 5 const 1
347
explain select * from t1 use index() where c=1;
348
id select_type table type possible_keys key key_len ref rows Extra
349
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
351
create table t1 (a int not null auto_increment primary key, b varchar(255));
352
insert into t1 (b) values (repeat('a',100)),(repeat('b',100)),(repeat('c',100));
353
update t1 set b=repeat(left(b,1),200) where a=1;
354
delete from t1 where (a mod 2) = 0;
355
update t1 set b=repeat('e',200) where a=1;
358
Table Op Msg_type Msg_text
359
test.t1 check status OK
360
update t1 set b=repeat(left(b,1),255) where a between 1 and 5;
361
update t1 set b=repeat(left(b,1),10) where a between 32 and 43;
362
update t1 set b=repeat(left(b,1),2) where a between 64 and 66;
363
update t1 set b=repeat(left(b,1),65) where a between 67 and 70;
365
Table Op Msg_type Msg_text
366
test.t1 check status OK
367
insert into t1 (b) values (repeat('z',100));
368
update t1 set b="test" where left(b,1) > 'n';
370
Table Op Msg_type Msg_text
371
test.t1 check status OK
373
create temporary table t1 ( a text not null, key a (a(20))) engine=myisam;
374
insert into t1 values ('aaa '),('aaa'),('aa');
376
Table Op Msg_type Msg_text
377
test.t1 check status OK
378
select concat(a,'.') from t1 where a='aaa';
382
select concat(a,'.') from t1 where binary a='aaa';
385
update t1 set a='bbb' where a='aaa';
386
select concat(a,'.') from t1;
392
create temporary table t1(a text not null, b text not null, c text not null, index (a(10),b(10),c(10))) engine=myisam;
393
insert into t1 values('807780', '477', '165');
394
insert into t1 values('807780', '477', '162');
395
insert into t1 values('807780', '472', '162');
396
select * from t1 where a='807780' and b='477' and c='165';
400
DROP TABLE IF EXISTS t1;
402
Note 1051 Unknown table 't1'
403
CREATE TEMPORARY TABLE t1 (a varchar(150) NOT NULL, KEY (a)) ENGINE=MyISAM;
404
INSERT t1 VALUES ("can \tcan");
405
INSERT t1 VALUES ("can can");
406
INSERT t1 VALUES ("can");
413
Table Op Msg_type Msg_text
414
test.t1 check status OK
416
create table t1 (a blob);
417
insert into t1 values('a '),('a');
418
select concat(a,'.') from t1 where a='a';
421
select concat(a,'.') from t1 where a='a ';
424
alter table t1 add key(a(2));
425
select concat(a,'.') from t1 where a='a';
428
select concat(a,'.') from t1 where a='a ';
432
create table t1 (a int not null auto_increment primary key, b text not null, unique b (b(20)));
433
insert into t1 (b) values ('a'),('b'),('c');
434
select concat(b,'.') from t1;
439
update t1 set b='b ' where a=2;
440
update t1 set b='b ' where a > 1;
441
ERROR 23000: Duplicate entry 'b ' for key 'b'
442
insert into t1 (b) values ('b');
443
ERROR 23000: Duplicate entry 'b' for key 'b'
449
delete from t1 where b='b';
450
select a,concat(b,'.') from t1;
455
create table t1 (a int not null);
456
create table t2 (a int not null, primary key (a));
457
insert into t1 values (1);
458
insert into t2 values (1),(2);
459
select sql_big_result distinct t1.a from t1,t2 order by t2.a;
462
select distinct t1.a from t1,t2 order by t2.a;
465
select sql_big_result distinct t1.a from t1,t2;
468
explain select sql_big_result distinct t1.a from t1,t2 order by t2.a;
469
id select_type table type possible_keys key key_len ref rows Extra
470
1 SIMPLE t1 ALL NULL NULL NULL NULL 1 Using temporary; Using filesort
471
1 SIMPLE t2 index NULL PRIMARY 4 NULL 2 Using index; Distinct; Using join buffer
472
explain select distinct t1.a from t1,t2 order by t2.a;
473
id select_type table type possible_keys key key_len ref rows Extra
474
1 SIMPLE t1 ALL NULL NULL NULL NULL 1 Using temporary; Using filesort
475
1 SIMPLE t2 index NULL PRIMARY 4 NULL 2 Using index; Distinct; Using join buffer
477
create temporary table t1 (
481
alter table t1 disable keys;
482
insert into t1 values ('a'), ('b');
483
select c1 from t1 order by c1 limit 1;
487
create table t1 (a int, b varchar(200), c text not null);
488
create table t2 (a int, b varchar(200), c text not null);
489
insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, "");
490
insert t2 select * from t1;
491
checksum table t1, t2, t3;
497
Error 1146 Table 'test.t3' doesn't exist
498
checksum table t1, t2, t3;
504
Error 1146 Table 'test.t3' doesn't exist
505
checksum table t1, t2, t3;
511
Error 1146 Table 'test.t3' doesn't exist
513
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
514
# test t1 STANDARD InnoDB # # # # #
515
# test t2 STANDARD InnoDB # # # # #
517
create table t1 ( a tinytext, b char(1), index idx (a(1),b) );
518
insert into t1 values (null,''), (null,'');
519
explain select count(*) from t1 where a is null;
520
id select_type table type possible_keys key key_len ref rows Extra
521
1 SIMPLE t1 ref idx idx 7 const 1 Using where
522
select count(*) from t1 where a is null;
526
create table t1 (c1 int, c2 varchar(4) not null default '',
528
insert into t1 values (1,'A'), (2, 'B'), (3, 'A');
529
update t1 set c2='A B' where c1=2;
531
Table Op Msg_type Msg_text
532
test.t1 check status OK
534
create table t1 (c1 int);
535
insert into t1 values (1),(2),(3),(4);
539
delete from t1 where c1 = 1;
540
create table t2 as select * from t1;
550
score INT NOT NULL DEFAULT 0,
553
insert into t1 (cip) VALUES (1), (2), (3);
554
insert into t1 (cip, bob) VALUES (4, 'a' ), (5, 'b'),
556
select * from t1 where bob is null and cip=1;
559
create index bug on t1 (bob(22), cip);
560
select * from t1 where bob is null and cip=1;
564
create temporary table t1 (
565
id1 int not null auto_increment,
566
id2 int not null default '0',
571
insert into t1 (id2, t) values
572
(10, 'abc'), (10, 'abc'), (10, 'abc'),
573
(20, 'abc'), (20, 'abc'), (20, 'def'),
574
(10, 'abc'), (10, 'abc');
575
select count(*) from t1 where id2 = 10;
578
select count(id1) from t1 where id2 = 10;
582
CREATE TEMPORARY TABLE t1(a int, KEY(a)) ENGINE=MyISAM;
583
INSERT INTO t1 VALUES(1);
584
SELECT MAX(a) FROM t1 IGNORE INDEX(a);
587
ALTER TABLE t1 DISABLE KEYS;
588
SELECT MAX(a) FROM t1;
591
SELECT MAX(a) FROM t1 IGNORE INDEX(a);
595
SET GLOBAL myisam_repair_threads=2;
596
SHOW VARIABLES LIKE 'myisam_repair%';
598
myisam_repair_threads 2
599
CREATE TEMPORARY TABLE t1 (
600
`_id` int NOT NULL default '0',
604
`loverlap` int default NULL,
605
`roverlap` int default NULL,
606
`lneighbor_id` int default NULL,
607
`rneighbor_id` int default NULL,
608
`length_` int default NULL,
611
`_obj_class` text NOT NULL,
613
UNIQUE KEY `sequence_name_index` (`name`(50)),
616
INSERT INTO t1 VALUES
617
(1,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample1',''),
618
(2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample2',''),
619
(3,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample3',''),
620
(4,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample4',''),
621
(5,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample5',''),
622
(6,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample6',''),
623
(7,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample7',''),
624
(8,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample8',''),
625
(9,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'sample9','');
637
DELETE FROM t1 WHERE _id < 8;
638
show table status LIKE 't1';
639
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
640
# test t1 TEMPORARY MyISAM # # # # #
642
Table Op Msg_type Msg_text
643
test.t1 check status OK
644
ALTER TABLE t1 ENGINE=MYISAM;
646
Table Op Msg_type Msg_text
647
test.t1 check status OK
648
show table status LIKE 't1';
649
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
650
# test t1 TEMPORARY MyISAM # # # # #
656
SET GLOBAL myisam_repair_threads=1;
657
SHOW VARIABLES LIKE 'myisam_repair%';
659
myisam_repair_threads 1
660
CREATE TEMPORARY TABLE t1 (c1 TEXT) ENGINE=MyISAM;
661
show table status like 't1';
662
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
663
# test t1 TEMPORARY MyISAM # # # # #
665
CREATE TEMPORARY TABLE t1 (c1 TEXT NOT NULL, KEY c1 (c1(10))) ENGINE=MyISAM;
666
INSERT INTO t1 VALUES
667
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
668
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
669
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
670
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
671
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
672
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
673
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
674
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
675
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
676
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
677
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
678
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
679
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
680
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
681
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
682
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
683
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
684
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
685
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
686
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
687
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
688
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
689
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
690
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
691
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
692
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
693
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
694
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
695
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
696
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
697
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
698
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
699
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
700
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
701
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
702
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
703
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
704
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
705
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
706
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
707
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
708
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
709
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
710
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
711
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
712
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
713
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
714
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
715
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
716
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
717
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
718
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
719
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
720
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
721
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
722
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
723
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
724
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
725
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
726
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
727
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
728
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
729
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
730
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
731
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
732
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
733
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
734
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
735
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
736
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
737
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
738
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
739
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
740
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
741
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
742
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
743
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
744
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
745
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
746
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
747
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
748
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
749
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
750
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
751
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
752
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
753
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
754
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
755
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
756
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
757
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
758
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
759
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
760
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
761
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
762
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
763
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
764
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
765
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
766
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
767
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
768
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
769
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
770
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
771
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
772
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
773
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
774
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
775
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
776
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
777
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
778
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
779
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
780
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
781
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
782
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
783
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
784
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
785
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
786
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
787
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
788
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
789
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
790
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
791
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
792
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
793
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
794
(CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)), (CHAR(9,65)),
795
(''), (''), (''), (''),
796
(' B'), (' B'), (' B'), (' B');
797
SELECT DISTINCT COUNT(*) FROM t1 WHERE c1 = '';
800
SELECT DISTINCT length(c1), c1 FROM t1 WHERE c1 = '';
803
SELECT DISTINCT COUNT(*) FROM t1 IGNORE INDEX (c1) WHERE c1 = '';
806
SELECT DISTINCT length(c1), c1 FROM t1 IGNORE INDEX (c1) WHERE c1 = '';
809
SELECT DISTINCT length(c1), c1 FROM t1 ORDER BY c1;
816
set storage_engine=MyISAM;
817
drop table if exists t1,t2,t3;
818
--- Testing varchar ---
819
--- Testing varchar ---
820
create TEMPORARY table t1 (v varchar(10), c char(10), t text);
821
insert into t1 values('+ ', '+ ', '+ ');
822
set @a=repeat(' ',20);
823
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
825
Note 1265 Data truncated for column 'v' at row 1
826
Note 1265 Data truncated for column 'c' at row 1
827
select concat('*',v,'*',c,'*',t,'*') from t1;
828
concat('*',v,'*',c,'*',t,'*')
831
show create table t1;
833
t1 CREATE TEMPORARY TABLE `t1` (
834
`v` varchar(10) DEFAULT NULL,
835
`c` varchar(10) DEFAULT NULL,
838
create TEMPORARY table t2 like t1;
839
show create table t2;
841
t2 CREATE TEMPORARY TABLE `t2` (
842
`v` varchar(10) DEFAULT NULL,
843
`c` varchar(10) DEFAULT NULL,
846
create TEMPORARY table t3 select * from t1;
847
show create table t3;
849
t3 CREATE TEMPORARY TABLE `t3` (
850
`v` varchar(10) DEFAULT NULL,
851
`c` varchar(10) DEFAULT NULL,
854
alter table t1 modify c varchar(10);
855
show create table t1;
857
t1 CREATE TEMPORARY TABLE `t1` (
858
`v` varchar(10) DEFAULT NULL,
859
`c` varchar(10) DEFAULT NULL,
862
alter table t1 modify v char(10);
863
show create table t1;
865
t1 CREATE TEMPORARY TABLE `t1` (
866
`v` varchar(10) DEFAULT NULL,
867
`c` varchar(10) DEFAULT NULL,
870
alter table t1 modify t varchar(10);
872
Note 1265 Data truncated for column 't' at row 2
873
show create table t1;
875
t1 CREATE TEMPORARY TABLE `t1` (
876
`v` varchar(10) DEFAULT NULL,
877
`c` varchar(10) DEFAULT NULL,
878
`t` varchar(10) DEFAULT NULL
880
select concat('*',v,'*',c,'*',t,'*') from t1;
881
concat('*',v,'*',c,'*',t,'*')
885
create TEMPORARY table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
886
show create table t1;
888
t1 CREATE TEMPORARY TABLE `t1` (
889
`v` varchar(10) DEFAULT NULL,
890
`c` varchar(10) DEFAULT NULL,
896
select count(*) from t1;
899
insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
900
select count(*) from t1 where v='a';
903
select count(*) from t1 where c='a';
906
select count(*) from t1 where t='a';
909
select count(*) from t1 where v='a ';
912
select count(*) from t1 where c='a ';
915
select count(*) from t1 where t='a ';
918
select count(*) from t1 where v between 'a' and 'a ';
921
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
924
select count(*) from t1 where v like 'a%';
927
select count(*) from t1 where c like 'a%';
930
select count(*) from t1 where t like 'a%';
933
select count(*) from t1 where v like 'a %';
936
explain select count(*) from t1 where v='a ';
937
id select_type table type possible_keys key key_len ref rows Extra
938
1 SIMPLE t1 ref v v 43 const # Using where; Using index
939
explain select count(*) from t1 where c='a ';
940
id select_type table type possible_keys key key_len ref rows Extra
941
1 SIMPLE t1 ref c c 43 const # Using where; Using index
942
explain select count(*) from t1 where t='a ';
943
id select_type table type possible_keys key key_len ref rows Extra
944
1 SIMPLE t1 ref t t 43 const # Using where
945
explain select count(*) from t1 where v like 'a%';
946
id select_type table type possible_keys key key_len ref rows Extra
947
1 SIMPLE t1 range v v 43 NULL # Using where; Using index
948
explain select count(*) from t1 where v between 'a' and 'a ';
949
id select_type table type possible_keys key key_len ref rows Extra
950
1 SIMPLE t1 ref v v 43 const # Using where; Using index
951
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
952
id select_type table type possible_keys key key_len ref rows Extra
953
1 SIMPLE t1 ref v v 43 const # Using where; Using index
954
alter table t1 add unique(v);
955
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
956
alter table t1 add key(v);
957
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
969
explain select * from t1 where v='a';
970
id select_type table type possible_keys key key_len ref rows Extra
971
1 SIMPLE t1 ref v,v_2 # 43 const # Using where
972
select v,count(*) from t1 group by v limit 10;
984
select v,count(t) from t1 group by v limit 10;
996
select v,count(c) from t1 group by v limit 10;
1008
select sql_big_result v,count(t) from t1 group by v limit 10;
1020
select sql_big_result v,count(c) from t1 group by v limit 10;
1032
select c,count(*) from t1 group by c limit 10;
1044
select c,count(t) from t1 group by c limit 10;
1056
select sql_big_result c,count(t) from t1 group by c limit 10;
1068
select t,count(*) from t1 group by t limit 10;
1080
select t,count(t) from t1 group by t limit 10;
1092
select sql_big_result t,count(t) from t1 group by t limit 10;
1104
alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v);
1105
show create table t1;
1107
t1 CREATE TEMPORARY TABLE `t1` (
1108
`v` varchar(300) DEFAULT NULL,
1109
`c` varchar(10) DEFAULT NULL,
1115
select count(*) from t1 where v='a';
1118
select count(*) from t1 where v='a ';
1121
select count(*) from t1 where v between 'a' and 'a ';
1124
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1127
select count(*) from t1 where v like 'a%';
1130
select count(*) from t1 where v like 'a %';
1133
explain select count(*) from t1 where v='a ';
1134
id select_type table type possible_keys key key_len ref rows Extra
1135
1 SIMPLE t1 ref v v 1203 const # Using where; Using index
1136
explain select count(*) from t1 where v like 'a%';
1137
id select_type table type possible_keys key key_len ref rows Extra
1138
1 SIMPLE t1 range v v 1203 NULL # Using where; Using index
1139
explain select count(*) from t1 where v between 'a' and 'a ';
1140
id select_type table type possible_keys key key_len ref rows Extra
1141
1 SIMPLE t1 ref v v 1203 const # Using where; Using index
1142
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1143
id select_type table type possible_keys key key_len ref rows Extra
1144
1 SIMPLE t1 ref v v 1203 const # Using where; Using index
1145
explain select * from t1 where v='a';
1146
id select_type table type possible_keys key key_len ref rows Extra
1147
1 SIMPLE t1 ref v v 1203 const # Using where
1148
select v,count(*) from t1 group by v limit 10;
1160
select v,count(t) from t1 group by v limit 10;
1172
select sql_big_result v,count(t) from t1 group by v limit 10;
1184
alter table t1 drop key v, add key v (v(30));
1185
show create table t1;
1187
t1 CREATE TEMPORARY TABLE `t1` (
1188
`v` varchar(300) DEFAULT NULL,
1189
`c` varchar(10) DEFAULT NULL,
1195
select count(*) from t1 where v='a';
1198
select count(*) from t1 where v='a ';
1201
select count(*) from t1 where v between 'a' and 'a ';
1204
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1207
select count(*) from t1 where v like 'a%';
1210
select count(*) from t1 where v like 'a %';
1213
explain select count(*) from t1 where v='a ';
1214
id select_type table type possible_keys key key_len ref rows Extra
1215
1 SIMPLE t1 ref v v 123 const # Using where
1216
explain select count(*) from t1 where v like 'a%';
1217
id select_type table type possible_keys key key_len ref rows Extra
1218
1 SIMPLE t1 range v v 123 NULL # Using where
1219
explain select count(*) from t1 where v between 'a' and 'a ';
1220
id select_type table type possible_keys key key_len ref rows Extra
1221
1 SIMPLE t1 ref v v 123 const # Using where
1222
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
1223
id select_type table type possible_keys key key_len ref rows Extra
1224
1 SIMPLE t1 ref v v 123 const # Using where
1225
explain select * from t1 where v='a';
1226
id select_type table type possible_keys key key_len ref rows Extra
1227
1 SIMPLE t1 ref v v 123 const # Using where
1228
select v,count(*) from t1 group by v limit 10;
1240
select v,count(t) from t1 group by v limit 10;
1252
select sql_big_result v,count(t) from t1 group by v limit 10;
1264
alter table t1 modify v varchar(600), drop key v, add key v (v);
1266
Warning 1071 Specified key was too long; max key length is 1332 bytes
1267
show create table t1;
1269
t1 CREATE TEMPORARY TABLE `t1` (
1270
`v` varchar(600) DEFAULT NULL,
1271
`c` varchar(10) DEFAULT NULL,
1277
select v,count(*) from t1 group by v limit 10;
1289
select v,count(t) from t1 group by v limit 10;
1301
select sql_big_result v,count(t) from t1 group by v limit 10;
1314
create TEMPORARY table t1 (a char(10), unique (a));
1315
insert into t1 values ('a ');
1316
insert into t1 values ('a ');
1317
ERROR 23000: Duplicate entry 'a ' for key 'a'
1318
alter table t1 modify a varchar(10);
1319
insert into t1 values ('a '),('a '),('a '),('a ');
1320
ERROR 23000: Duplicate entry 'a ' for key 'a'
1321
insert into t1 values ('a ');
1322
ERROR 23000: Duplicate entry 'a ' for key 'a'
1323
insert into t1 values ('a ');
1324
ERROR 23000: Duplicate entry 'a ' for key 'a'
1325
insert into t1 values ('a ');
1326
ERROR 23000: Duplicate entry 'a ' for key 'a'
1327
update t1 set a='a ' where a like 'a%';
1328
select concat(a,'.') from t1;
1331
update t1 set a='abc ' where a like 'a ';
1332
select concat(a,'.') from t1;
1335
update t1 set a='a ' where a like 'a %';
1336
select concat(a,'.') from t1;
1339
update t1 set a='a ' where a like 'a ';
1340
select concat(a,'.') from t1;
1344
create TEMPORARY table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5)));
1345
show create table t1;
1347
t1 CREATE TEMPORARY TABLE `t1` (
1348
`v` varchar(10) DEFAULT NULL,
1349
`c` varchar(10) DEFAULT NULL,
1356
create TEMPORARY table t1 (v char(10));
1357
show create table t1;
1359
t1 CREATE TEMPORARY TABLE `t1` (
1360
`v` varchar(10) DEFAULT NULL
1363
create TEMPORARY table t1 (v varchar(10), c char(10));
1364
show create table t1;
1366
t1 CREATE TEMPORARY TABLE `t1` (
1367
`v` varchar(10) DEFAULT NULL,
1368
`c` varchar(10) DEFAULT NULL
1370
insert into t1 values('a','a'),('a ','a ');
1371
select concat('*',v,'*',c,'*') from t1;
1372
concat('*',v,'*',c,'*')
1376
create TEMPORARY table t1(a int, b varchar(12), key ba(b, a));
1377
insert into t1 values (1, 'A'), (20, NULL);
1378
explain select * from t1 where a=20 and b is null;
1379
id select_type table type possible_keys key key_len ref rows Extra
1380
1 SIMPLE t1 ref ba ba 56 const,const 1 Using where; Using index
1381
select * from t1 where a=20 and b is null;
1385
create temporary table t1 (v varchar(65530), key(v));
1386
ERROR 42000: Column length too big for column 'v' (max = 16383); use BLOB or TEXT instead
1387
create temporary table t1 (v varchar(65536));
1388
ERROR 42000: Column length too big for column 'v' (max = 16383); use BLOB or TEXT instead
1389
create temporary table t1 (v varchar(65530));
1390
ERROR 42000: Column length too big for column 'v' (max = 16383); use BLOB or TEXT instead
1391
create temporary table t1 (v varchar(65535));
1392
ERROR 42000: Column length too big for column 'v' (max = 16383); use BLOB or TEXT instead
1393
set storage_engine=InnoDB;
1394
create table t1 (a int, key(a));
1395
insert into t1 values (1),(2),(3),(4),(NULL),(NULL),(NULL),(NULL);
1397
Table Op Msg_type Msg_text
1398
test.t1 analyze status OK
1400
Table Unique Key_name Seq_in_index Column_name
1402
alter table t1 disable keys;
1404
Note 1031 Table storage engine for 't1' doesn't have this option
1405
alter table t1 enable keys;
1407
Note 1031 Table storage engine for 't1' doesn't have this option
1409
Table Unique Key_name Seq_in_index Column_name
1412
CREATE TEMPORARY TABLE t1(a INT, b INT, KEY inx (a), UNIQUE KEY uinx (b)) ENGINE=MyISAM;
1413
INSERT INTO t1(a,b) VALUES (1,1),(2,2),(3,3),(4,4),(5,5);
1414
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1417
ALTER TABLE t1 DISABLE KEYS;
1418
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1421
SELECT a FROM t1 USE INDEX (inx) WHERE a=1;
1424
SELECT b FROM t1 FORCE INDEX (uinx) WHERE b=1;
1427
SELECT b FROM t1 USE INDEX (uinx) WHERE b=1;
1430
SELECT a FROM t1 FORCE INDEX (inx,uinx) WHERE a=1;
1433
ALTER TABLE t1 ENABLE KEYS;
1434
SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
1438
CREATE TEMPORARY TABLE t1 (c1 INT, c2 INT, UNIQUE INDEX (c1), INDEX (c2)) ENGINE=MYISAM;
1439
show table status like 't1';
1440
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1441
# test t1 TEMPORARY MyISAM # # # # #
1442
INSERT INTO t1 VALUES (1,1);
1443
show table status like 't1';
1444
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1445
# test t1 TEMPORARY MyISAM # # # # #
1446
ALTER TABLE t1 DISABLE KEYS;
1447
show table status like 't1';
1448
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1449
# test t1 TEMPORARY MyISAM # # # # #
1450
ALTER TABLE t1 ENABLE KEYS;
1451
show table status like 't1';
1452
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1453
# test t1 TEMPORARY MyISAM # # # # #
1454
ALTER TABLE t1 DISABLE KEYS;
1455
show table status like 't1';
1456
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1457
# test t1 TEMPORARY MyISAM # # # # #
1458
ALTER TABLE t1 ENABLE KEYS;
1459
show table status like 't1';
1460
Session Schema Name Type Engine Version Rows Avg_row_length Table_size Auto_increment
1461
# test t1 TEMPORARY MyISAM # # # # #
1462
# Enable keys with parallel repair
1463
SET GLOBAL myisam_repair_threads=2;
1464
ALTER TABLE t1 DISABLE KEYS;
1465
ALTER TABLE t1 ENABLE KEYS;
1466
SET GLOBAL myisam_repair_threads=1;
1468
Table Op Msg_type Msg_text
1469
test.t1 check status OK
1471
CREATE TABLE t1 (id int NOT NULL, ref int NOT NULL, INDEX (id));
1472
CREATE TABLE t2 LIKE t1;
1473
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
1474
INSERT INTO t1 SELECT * FROM t2;
1475
SELECT * FROM t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
1487
create temporary table t1 (a int not null, key `a` (a) key_block_size=1024) ENGINE=MyISAM;
1488
show create table t1;
1490
t1 CREATE TEMPORARY TABLE `t1` (
1492
KEY `a` (`a`) KEY_BLOCK_SIZE=1024
1495
create temporary table t1 (a int not null, key `a` (a) key_block_size=2048) ENGINE=MyISAM;
1496
show create table t1;
1498
t1 CREATE TEMPORARY TABLE `t1` (
1500
KEY `a` (`a`) KEY_BLOCK_SIZE=2048
1503
create temporary table t1 (a varchar(2048), key `a` (a)) ENGINE=MyISAM;
1505
Warning 1071 Specified key was too long; max key length is 1332 bytes
1506
show create table t1;
1508
t1 CREATE TEMPORARY TABLE `t1` (
1509
`a` varchar(2048) DEFAULT NULL,
1513
create temporary table t1 (a varchar(2048), key `a` (a) key_block_size=1024) ENGINE=MyISAM;
1515
Warning 1071 Specified key was too long; max key length is 1332 bytes
1516
show create table t1;
1518
t1 CREATE TEMPORARY TABLE `t1` (
1519
`a` varchar(2048) DEFAULT NULL,
1520
KEY `a` (`a`(333)) KEY_BLOCK_SIZE=6144
1523
create temporary table t1 (a int not null, b varchar(2048), key (a), key(b)) ENGINE=MyISAM key_block_size=1024;
1525
Warning 1071 Specified key was too long; max key length is 1332 bytes
1526
show create table t1;
1528
t1 CREATE TEMPORARY TABLE `t1` (
1530
`b` varchar(2048) DEFAULT NULL,
1532
KEY `b` (`b`(333)) KEY_BLOCK_SIZE=6144
1533
) ENGINE=MyISAM KEY_BLOCK_SIZE=1024
1534
alter table t1 key_block_size=2048;
1535
show create table t1;
1537
t1 CREATE TEMPORARY TABLE `t1` (
1539
`b` varchar(2048) DEFAULT NULL,
1540
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1541
KEY `b` (`b`(333)) KEY_BLOCK_SIZE=8192
1542
) ENGINE=MyISAM KEY_BLOCK_SIZE=2048
1543
alter table t1 add c int, add key (c);
1544
show create table t1;
1546
t1 CREATE TEMPORARY TABLE `t1` (
1548
`b` varchar(2048) DEFAULT NULL,
1549
`c` int DEFAULT NULL,
1550
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1551
KEY `b` (`b`(333)) KEY_BLOCK_SIZE=8192,
1553
) ENGINE=MyISAM KEY_BLOCK_SIZE=2048
1554
alter table t1 key_block_size=0;
1555
alter table t1 add d int, add key (d);
1556
show create table t1;
1558
t1 CREATE TEMPORARY TABLE `t1` (
1560
`b` varchar(2048) DEFAULT NULL,
1561
`c` int DEFAULT NULL,
1562
`d` int DEFAULT NULL,
1563
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1564
KEY `b` (`b`(333)) KEY_BLOCK_SIZE=8192,
1565
KEY `c` (`c`) KEY_BLOCK_SIZE=2048,
1569
create temporary table t1 (a int not null, b varchar(2048), key (a), key(b)) ENGINE=MyISAM key_block_size=8192;
1571
Warning 1071 Specified key was too long; max key length is 1332 bytes
1572
show create table t1;
1574
t1 CREATE TEMPORARY TABLE `t1` (
1576
`b` varchar(2048) DEFAULT NULL,
1579
) ENGINE=MyISAM KEY_BLOCK_SIZE=8192
1581
create temporary table t1 (a int not null, b varchar(2048), key (a) key_block_size=1024, key(b)) ENGINE=MyISAM key_block_size=8192;
1583
Warning 1071 Specified key was too long; max key length is 1332 bytes
1584
show create table t1;
1586
t1 CREATE TEMPORARY TABLE `t1` (
1588
`b` varchar(2048) DEFAULT NULL,
1589
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1591
) ENGINE=MyISAM KEY_BLOCK_SIZE=8192
1593
create temporary table t1 (a int not null, b int, key (a) key_block_size=1024, key(b) key_block_size=8192) ENGINE=MyISAM key_block_size=16384;
1594
show create table t1;
1596
t1 CREATE TEMPORARY TABLE `t1` (
1598
`b` int DEFAULT NULL,
1599
KEY `a` (`a`) KEY_BLOCK_SIZE=1024,
1600
KEY `b` (`b`) KEY_BLOCK_SIZE=8192
1601
) ENGINE=MyISAM KEY_BLOCK_SIZE=16384
1603
create temporary table t1 (a int not null, key `a` (a) key_block_size=512) ENGINE=MyISAM;
1604
show create table t1;
1606
t1 CREATE TEMPORARY TABLE `t1` (
1608
KEY `a` (`a`) KEY_BLOCK_SIZE=1024
1611
create temporary table t1 (a varchar(2048), key `a` (a) key_block_size=1000000000000000000) ENGINE=MyISAM;
1613
Warning 1071 Specified key was too long; max key length is 1332 bytes
1614
show create table t1;
1616
t1 CREATE TEMPORARY TABLE `t1` (
1617
`a` varchar(2048) DEFAULT NULL,
1618
KEY `a` (`a`(333)) KEY_BLOCK_SIZE=6144
1621
create temporary table t1 (a int not null, key `a` (a) key_block_size=1025) ENGINE=MyISAM;
1622
show create table t1;
1624
t1 CREATE TEMPORARY TABLE `t1` (
1626
KEY `a` (`a`) KEY_BLOCK_SIZE=2048
1629
create temporary table t1 (a int not null, key key_block_size=1024 (a)) ENGINE=MyISAM;
1630
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near '=1024 (a)) ENGINE=MyISAM' at line 1
1631
create temporary table t1 (a int not null, key `a` key_block_size=1024 (a)) ENGINE=MyISAM;
1632
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near 'key_block_size=1024 (a)) ENGINE=MyISAM' at line 1
1633
CREATE temporary TABLE t1 (
1636
KEY (c1) KEY_BLOCK_SIZE 1024,
1637
KEY (c2) KEY_BLOCK_SIZE 8192
1639
INSERT INTO t1 VALUES (10, REPEAT('a', CEIL(RAND(10) * 300))),
1640
(11, REPEAT('b', CEIL(RAND() * 300))),
1641
(12, REPEAT('c', CEIL(RAND() * 300))),
1642
(13, REPEAT('d', CEIL(RAND() * 300))),
1643
(14, REPEAT('e', CEIL(RAND() * 300))),
1644
(15, REPEAT('f', CEIL(RAND() * 300))),
1645
(16, REPEAT('g', CEIL(RAND() * 300))),
1646
(17, REPEAT('h', CEIL(RAND() * 300))),
1647
(18, REPEAT('i', CEIL(RAND() * 300))),
1648
(19, REPEAT('j', CEIL(RAND() * 300))),
1649
(20, REPEAT('k', CEIL(RAND() * 300))),
1650
(21, REPEAT('l', CEIL(RAND() * 300))),
1651
(22, REPEAT('m', CEIL(RAND() * 300))),
1652
(23, REPEAT('n', CEIL(RAND() * 300))),
1653
(24, REPEAT('o', CEIL(RAND() * 300))),
1654
(25, REPEAT('p', CEIL(RAND() * 300))),
1655
(26, REPEAT('q', CEIL(RAND() * 300))),
1656
(27, REPEAT('r', CEIL(RAND() * 300))),
1657
(28, REPEAT('s', CEIL(RAND() * 300))),
1658
(29, REPEAT('t', CEIL(RAND() * 300))),
1659
(30, REPEAT('u', CEIL(RAND() * 300))),
1660
(31, REPEAT('v', CEIL(RAND() * 300))),
1661
(32, REPEAT('w', CEIL(RAND() * 300))),
1662
(33, REPEAT('x', CEIL(RAND() * 300))),
1663
(34, REPEAT('y', CEIL(RAND() * 300))),
1664
(35, REPEAT('z', CEIL(RAND() * 300)));
1665
CREATE TEMPORARY TABLE t2 AS SELECT * FROM t1;
1666
INSERT INTO t1 SELECT * FROM t2;
1668
CREATE TEMPORARY TABLE t2 AS SELECT * FROM t1;
1669
INSERT INTO t1 SELECT * FROM t2;
1672
Table Op Msg_type Msg_text
1673
test.t1 check status OK
1674
DELETE FROM t1 WHERE c1 >= 10;
1676
Table Op Msg_type Msg_text
1677
test.t1 check status OK
1679
CREATE temporary TABLE t1 (
1683
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
1684
SELECT COUNT(*) FROM t1;
1688
Table Op Msg_type Msg_text
1689
test.t1 check status OK
1690
SELECT COUNT(*) FROM t1;
1694
Table Op Msg_type Msg_text
1695
test.t1 check status OK
1697
CREATE temporary TABLE t1 (
1701
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
1702
SELECT COUNT(*) FROM t1;
1706
Table Op Msg_type Msg_text
1707
test.t1 check status OK
1708
SELECT COUNT(*) FROM t1;
1712
Table Op Msg_type Msg_text
1713
test.t1 check status OK
1715
CREATE temporary TABLE t1 (
1719
INSERT INTO t1 VALUES(REPEAT("a",128), 'b');
1720
INSERT INTO t1 VALUES('b', 'b');
1721
INSERT INTO t1 VALUES('c', 'b');
1722
DELETE FROM t1 WHERE c1='b';
1723
SELECT COUNT(*) FROM t1;
1726
ALTER TABLE t1 ENGINE=MyISAM;
1727
SELECT COUNT(*) FROM t1;
1731
CREATE temporary TABLE t1 (
1736
# Insert 100 rows. Query log disabled.
1737
UPDATE t1 SET c1=REPEAT("a",128) LIMIT 90;
1738
SELECT COUNT(*) FROM t1;
1741
ALTER TABLE t1 ENGINE=MyISAM;
1742
SELECT COUNT(*) FROM t1;
1746
Table Op Msg_type Msg_text
1747
test.t1 check status OK
1749
Table Op Msg_type Msg_text
1750
test.t1 check status OK
1752
CREATE temporary TABLE t1 (
1756
INSERT INTO t1 VALUES(REPEAT( x'e0ae85',43), 'b');
1757
SELECT COUNT(*) FROM t1;
1761
Table Op Msg_type Msg_text
1762
test.t1 check status OK
1763
SELECT COUNT(*) FROM t1;
1767
Table Op Msg_type Msg_text
1768
test.t1 check status OK
1770
CREATE temporary TABLE t1 (
1774
INSERT INTO t1 VALUES(REPEAT( x'e0ae85',43), 'b');
1775
SELECT COUNT(*) FROM t1;
1779
Table Op Msg_type Msg_text
1780
test.t1 check status OK
1781
SELECT COUNT(*) FROM t1;
1785
Table Op Msg_type Msg_text
1786
test.t1 check status OK
1788
CREATE temporary TABLE t1 (
1792
INSERT INTO t1 VALUES(REPEAT( x'e0ae85',43), 'b');
1793
INSERT INTO t1 VALUES('b', 'b');
1794
INSERT INTO t1 VALUES('c', 'b');
1795
DELETE FROM t1 WHERE c1='b';
1796
SELECT COUNT(*) FROM t1;
1799
ALTER TABLE t1 ENGINE=MyISAM;
1800
SELECT COUNT(*) FROM t1;
1804
CREATE temporary TABLE t1 (
1809
# Insert 100 rows. Query log disabled.
1810
UPDATE t1 SET c1=REPEAT( x'e0ae85',43) LIMIT 90;
1811
SELECT COUNT(*) FROM t1;
1814
ALTER TABLE t1 ENGINE=MyISAM;
1815
SELECT COUNT(*) FROM t1;
1819
Table Op Msg_type Msg_text
1820
test.t1 check status OK
1822
Table Op Msg_type Msg_text
1823
test.t1 check status OK