1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
|
stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
CREATE TABLE t1 (C1 CHAR(1), C2 CHAR(1), INDEX (C1)) ENGINE = 'INNODB' ;
SELECT * FROM t1;
C1 C2
SELECT * FROM t1;
C1 C2
INSERT INTO t1 VALUES ('A','B'), ('X','Y'), ('X','X');
INSERT INTO t1 VALUES ('A','C'), ('X','Z'), ('A','A');
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A A
A B
A C
X X
X Y
X Z
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A A
A B
A C
X X
X Y
X Z
DELETE FROM t1 WHERE C1 = C2;
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A B
A C
X Y
X Z
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A B
A C
X Y
X Z
UPDATE t1 SET C2 = 'I' WHERE C1 = 'A' AND C2 = 'C';
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A B
A I
X Y
X Z
SELECT * FROM t1 ORDER BY C1,C2;
C1 C2
A B
A I
X Y
X Z
UPDATE t1 SET c2 = 'Q' WHERE c1 = 'A' AND c2 = 'N';
SELECT * FROM t1 ORDER BY c1,c2;
C1 C2
A B
A I
X Y
X Z
SELECT * FROM t1 ORDER BY c1,c2;
C1 C2
A B
A I
X Y
X Z
CREATE TABLE t2 (c1 INT, c12 char(1), c2 INT, PRIMARY KEY (c1)) ENGINE = 'INNODB' ;
INSERT INTO t2
VALUES (1,'A',2), (2,'A',4), (3,'A',9), (4,'A',15), (5,'A',25),
(6,'A',35), (7,'A',50), (8,'A',64), (9,'A',81);
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 2
2 A 4
3 A 9
4 A 15
5 A 25
6 A 35
7 A 50
8 A 64
9 A 81
SELECT * FROM t2 WHERE c2 = c1 * c1 ORDER BY c1,c2;
c1 c12 c2
2 A 4
3 A 9
5 A 25
8 A 64
9 A 81
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 2
2 A 4
3 A 9
4 A 15
5 A 25
6 A 35
7 A 50
8 A 64
9 A 81
SELECT * FROM t2 WHERE c2 = c1 * c1 ORDER BY c1,c2;
c1 c12 c2
2 A 4
3 A 9
5 A 25
8 A 64
9 A 81
UPDATE t2 SET c2 = c1*c1 WHERE c2 != c1*c1;
SELECT * FROM t2 WHERE c2 = c1 * c1 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
4 A 16
5 A 25
6 A 36
7 A 49
8 A 64
9 A 81
SELECT * FROM t2 WHERE c2 = c1 * c1 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
4 A 16
5 A 25
6 A 36
7 A 49
8 A 64
9 A 81
UPDATE t2 SET c12 = 'Q' WHERE c1 = 1 AND c2 = 999;
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
4 A 16
5 A 25
6 A 36
7 A 49
8 A 64
9 A 81
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
4 A 16
5 A 25
6 A 36
7 A 49
8 A 64
9 A 81
DELETE FROM t2 WHERE c1 % 4 = 0;
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
5 A 25
6 A 36
7 A 49
9 A 81
SELECT * FROM t2 ORDER BY c1,c2;
c1 c12 c2
1 A 1
2 A 4
3 A 9
5 A 25
6 A 36
7 A 49
9 A 81
UPDATE t2 SET c12='X';
CREATE TABLE t3 (C1 CHAR(1), C2 CHAR(1), pk1 INT, C3 CHAR(1), pk2 INT, PRIMARY KEY (pk1,pk2)) ENGINE = 'INNODB' ;
INSERT INTO t3 VALUES ('A','B',1,'B',1), ('X','Y',2,'B',1), ('X','X',3,'B',1);
INSERT INTO t3 VALUES ('A','C',1,'B',2), ('X','Z',2,'B',2), ('A','A',3,'B',2);
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A A 3 B 2
A B 1 B 1
A C 1 B 2
X X 3 B 1
X Y 2 B 1
X Z 2 B 2
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A A 3 B 2
A B 1 B 1
A C 1 B 2
X X 3 B 1
X Y 2 B 1
X Z 2 B 2
DELETE FROM t3 WHERE C1 = C2;
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A B 1 B 1
A C 1 B 2
X Y 2 B 1
X Z 2 B 2
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A B 1 B 1
A C 1 B 2
X Y 2 B 1
X Z 2 B 2
UPDATE t3 SET C2 = 'I' WHERE C1 = 'A' AND C2 = 'C';
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A B 1 B 1
A I 1 B 2
X Y 2 B 1
X Z 2 B 2
SELECT * FROM t3 ORDER BY C1,C2;
C1 C2 pk1 C3 pk2
A B 1 B 1
A I 1 B 2
X Y 2 B 1
X Z 2 B 2
CREATE TABLE t6 (C1 CHAR(1), C2 CHAR(1), C3 INT) ENGINE = 'INNODB' ;
INSERT INTO t6 VALUES ('A','B',1), ('X','Y',2), ('X','X',3);
INSERT INTO t6 VALUES ('A','C',4), ('X','Z',5), ('A','A',6);
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
X X 3
A C 4
X Z 5
A A 6
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
X X 3
A C 4
X Z 5
A A 6
DELETE FROM t6 WHERE C1 = C2;
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
A C 4
X Z 5
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
A C 4
X Z 5
UPDATE t6 SET C2 = 'I' WHERE C1 = 'A' AND C2 = 'C';
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
A I 4
X Z 5
SELECT * FROM t6 ORDER BY C3;
C1 C2 C3
A B 1
X Y 2
A I 4
X Z 5
CREATE TABLE t5 (C1 CHAR(1), C2 CHAR(1), C3 INT PRIMARY KEY) ENGINE = 'INNODB' ;
INSERT INTO t5 VALUES ('A','B',1), ('X','Y',2), ('X','X',3);
INSERT INTO t5 VALUES ('A','C',4), ('X','Z',5), ('A','A',6);
UPDATE t5,t2,t3 SET t5.C2='Q', t2.c12='R', t3.C3 ='S' WHERE t5.C1 = t2.c12 AND t5.C1 = t3.C1;
SELECT * FROM t5,t2,t3 WHERE t5.C2='Q' AND t2.c12='R' AND t3.C3 ='S' ORDER BY t5.C3,t2.c1,t3.pk1,t3.pk2;
C1 C2 C3 c1 c12 c2 C1 C2 pk1 C3 pk2
X Q 2 1 R 1 X Y 2 S 1
X Q 2 1 R 1 X Z 2 S 2
X Q 2 2 R 4 X Y 2 S 1
X Q 2 2 R 4 X Z 2 S 2
X Q 2 3 R 9 X Y 2 S 1
X Q 2 3 R 9 X Z 2 S 2
X Q 2 5 R 25 X Y 2 S 1
X Q 2 5 R 25 X Z 2 S 2
X Q 2 6 R 36 X Y 2 S 1
X Q 2 6 R 36 X Z 2 S 2
X Q 2 7 R 49 X Y 2 S 1
X Q 2 7 R 49 X Z 2 S 2
X Q 2 9 R 81 X Y 2 S 1
X Q 2 9 R 81 X Z 2 S 2
X Q 3 1 R 1 X Y 2 S 1
X Q 3 1 R 1 X Z 2 S 2
X Q 3 2 R 4 X Y 2 S 1
X Q 3 2 R 4 X Z 2 S 2
X Q 3 3 R 9 X Y 2 S 1
X Q 3 3 R 9 X Z 2 S 2
X Q 3 5 R 25 X Y 2 S 1
X Q 3 5 R 25 X Z 2 S 2
X Q 3 6 R 36 X Y 2 S 1
X Q 3 6 R 36 X Z 2 S 2
X Q 3 7 R 49 X Y 2 S 1
X Q 3 7 R 49 X Z 2 S 2
X Q 3 9 R 81 X Y 2 S 1
X Q 3 9 R 81 X Z 2 S 2
X Q 5 1 R 1 X Y 2 S 1
X Q 5 1 R 1 X Z 2 S 2
X Q 5 2 R 4 X Y 2 S 1
X Q 5 2 R 4 X Z 2 S 2
X Q 5 3 R 9 X Y 2 S 1
X Q 5 3 R 9 X Z 2 S 2
X Q 5 5 R 25 X Y 2 S 1
X Q 5 5 R 25 X Z 2 S 2
X Q 5 6 R 36 X Y 2 S 1
X Q 5 6 R 36 X Z 2 S 2
X Q 5 7 R 49 X Y 2 S 1
X Q 5 7 R 49 X Z 2 S 2
X Q 5 9 R 81 X Y 2 S 1
X Q 5 9 R 81 X Z 2 S 2
SELECT * FROM t5,t2,t3 WHERE t5.C2='Q' AND t2.c12='R' AND t3.C3 ='S' ORDER BY t5.C3,t2.c1,t3.pk1,t3.pk2;
C1 C2 C3 c1 c12 c2 C1 C2 pk1 C3 pk2
X Q 2 1 R 1 X Y 2 S 1
X Q 2 1 R 1 X Z 2 S 2
X Q 2 2 R 4 X Y 2 S 1
X Q 2 2 R 4 X Z 2 S 2
X Q 2 3 R 9 X Y 2 S 1
X Q 2 3 R 9 X Z 2 S 2
X Q 2 5 R 25 X Y 2 S 1
X Q 2 5 R 25 X Z 2 S 2
X Q 2 6 R 36 X Y 2 S 1
X Q 2 6 R 36 X Z 2 S 2
X Q 2 7 R 49 X Y 2 S 1
X Q 2 7 R 49 X Z 2 S 2
X Q 2 9 R 81 X Y 2 S 1
X Q 2 9 R 81 X Z 2 S 2
X Q 3 1 R 1 X Y 2 S 1
X Q 3 1 R 1 X Z 2 S 2
X Q 3 2 R 4 X Y 2 S 1
X Q 3 2 R 4 X Z 2 S 2
X Q 3 3 R 9 X Y 2 S 1
X Q 3 3 R 9 X Z 2 S 2
X Q 3 5 R 25 X Y 2 S 1
X Q 3 5 R 25 X Z 2 S 2
X Q 3 6 R 36 X Y 2 S 1
X Q 3 6 R 36 X Z 2 S 2
X Q 3 7 R 49 X Y 2 S 1
X Q 3 7 R 49 X Z 2 S 2
X Q 3 9 R 81 X Y 2 S 1
X Q 3 9 R 81 X Z 2 S 2
X Q 5 1 R 1 X Y 2 S 1
X Q 5 1 R 1 X Z 2 S 2
X Q 5 2 R 4 X Y 2 S 1
X Q 5 2 R 4 X Z 2 S 2
X Q 5 3 R 9 X Y 2 S 1
X Q 5 3 R 9 X Z 2 S 2
X Q 5 5 R 25 X Y 2 S 1
X Q 5 5 R 25 X Z 2 S 2
X Q 5 6 R 36 X Y 2 S 1
X Q 5 6 R 36 X Z 2 S 2
X Q 5 7 R 49 X Y 2 S 1
X Q 5 7 R 49 X Z 2 S 2
X Q 5 9 R 81 X Y 2 S 1
X Q 5 9 R 81 X Z 2 S 2
CREATE TABLE t4 (C1 CHAR(1) PRIMARY KEY, B1 BIT(1), B2 BIT(1) NOT NULL DEFAULT 0, C2 CHAR(1) NOT NULL DEFAULT 'A') ENGINE = 'INNODB' ;
INSERT INTO t4 SET C1 = 1;
SELECT C1,HEX(B1),HEX(B2) FROM t4 ORDER BY C1;
C1 HEX(B1) HEX(B2)
1 NULL 0
SELECT C1,HEX(B1),HEX(B2) FROM t4 ORDER BY C1;
C1 HEX(B1) HEX(B2)
1 NULL 0
CREATE TABLE t7 (C1 INT PRIMARY KEY, C2 INT) ENGINE = 'INNODB' ;
--- on slave: original values ---
INSERT INTO t7 VALUES (1,3), (2,6), (3,9);
SELECT * FROM t7 ORDER BY C1;
C1 C2
1 3
2 6
3 9
--- on master: new values inserted ---
INSERT INTO t7 VALUES (1,2), (2,4), (3,6);
SELECT * FROM t7 ORDER BY C1;
C1 C2
1 2
2 4
3 6
--- on slave: old values should be overwritten by replicated values ---
SELECT * FROM t7 ORDER BY C1;
C1 C2
1 2
2 4
3 6
--- on master ---
CREATE TABLE t8 (a INT PRIMARY KEY, b INT UNIQUE, c INT UNIQUE) ENGINE = 'INNODB' ;
INSERT INTO t8 VALUES (99,99,99);
INSERT INTO t8 VALUES (99,22,33);
ERROR 23000: Duplicate entry '99' for key 'PRIMARY'
INSERT INTO t8 VALUES (11,99,33);
ERROR 23000: Duplicate entry '99' for key 'b'
INSERT INTO t8 VALUES (11,22,99);
ERROR 23000: Duplicate entry '99' for key 'c'
SELECT * FROM t8 ORDER BY a;
a b c
99 99 99
--- on slave ---
SELECT * FROM t8 ORDER BY a;
a b c
99 99 99
INSERT INTO t8 VALUES (1,2,3), (2,4,6), (3,6,9);
SELECT * FROM t8 ORDER BY a;
a b c
1 2 3
2 4 6
3 6 9
99 99 99
--- on master ---
INSERT INTO t8 VALUES (2,4,8);
--- on slave ---
SELECT * FROM t8 ORDER BY a;
a b c
1 2 3
2 4 8
3 6 9
99 99 99
DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8;
|
