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
|
DROP TABLE IF EXISTS t1, t2, r1;
create table t1 (
a int primary key,
b int not null,
c int not null,
index(b), unique index using hash(c)
) engine = ndb;
insert into t1 values
(1,2,1),(2,3,2),(3,4,3),(4,5,4),
(5,2,12),(6,3,11),(7,4,10),(8,5,9),
(9,2,8),(10,3,7),(11,4,6),(12,5,5);
create table r1 as select * from t1 where a in (2,8,12);
select * from r1 order by a;
a b c
2 3 2
8 5 9
12 5 5
drop table r1;
create table r1 as select * from t1 where b in (1,2,5);
select * from r1 order by a;
a b c
1 2 1
4 5 4
5 2 12
8 5 9
9 2 8
12 5 5
drop table r1;
create table r1 as select * from t1 where c in (2,8,12);
select * from r1 order by a;
a b c
2 3 2
5 2 12
9 2 8
drop table r1;
create table r1 as select * from t1 where a in (2,8) or (a > 11) or (a <= 1);
select * from r1 order by a;
a b c
1 2 1
2 3 2
8 5 9
12 5 5
drop table r1;
create table r1 as select * from t1 where a in (33,8,12);
select * from r1 order by a;
a b c
8 5 9
12 5 5
drop table r1;
create table r1 as select * from t1 where a in (2,33,8,12,34);
select * from r1 order by a;
a b c
2 3 2
8 5 9
12 5 5
drop table r1;
create table r1 as select * from t1 where b in (1,33,5);
select * from r1 order by a;
a b c
4 5 4
8 5 9
12 5 5
drop table r1;
select * from t1 where b in (1,33,5) order by a;
a b c
4 5 4
8 5 9
12 5 5
create table r1 as select * from t1 where b in (45,1,33,5,44);
select * from r1 order by a;
a b c
4 5 4
8 5 9
12 5 5
drop table r1;
select * from t1 where b in (45,22) order by a;
a b c
create table r1 as select * from t1 where c in (2,8,33);
select * from r1 order by a;
a b c
2 3 2
9 2 8
drop table r1;
create table r1 as select * from t1 where c in (13,2,8,33,12);
select * from r1 order by a;
a b c
2 3 2
5 2 12
9 2 8
drop table r1;
select * from t1 where a in (33,8,12) order by a;
a b c
8 5 9
12 5 5
select * from t1 where a in (33,34,35) order by a;
a b c
select * from t1 where a in (2,8) or (a > 11) or (a <= 1) order by a;
a b c
1 2 1
2 3 2
8 5 9
12 5 5
select * from t1 where b in (6,7) or (b <= 5) or (b >= 10) order by b,a;
a b c
1 2 1
5 2 12
9 2 8
2 3 2
6 3 11
10 3 7
3 4 3
7 4 10
11 4 6
4 5 4
8 5 9
12 5 5
select * from t1 where c in (13,2,8,33,12) order by c,a;
a b c
2 3 2
9 2 8
5 2 12
drop table t1;
create table t1 (
a int not null,
b int not null,
c int not null,
d int not null,
e int not null,
primary key (a,b,c,d), index (d)
) engine = ndb;
insert into t1 values
(1,2,1,1,1),(2,3,2,3,1),(3,4,3,1,1),(4,5,4,7,1),
(5,2,12,12,1),(6,3,11,1,1),(7,4,10,3,1),(8,5,9,5,1),
(9,2,8,6,1),(10,3,7,5,1),(11,4,6,3,1),(12,5,5,2,1),
(1,2,1,2,1),
(1,2,1,3,1),
(1,2,1,4,1),
(1,2,1,5,1);
create table r1 as select * from t1
where a=1 and b=2 and c=1 and d in (1,4,3,2);
select * from r1 order by a,b,c,d;
a b c d e
1 2 1 1 1
1 2 1 2 1
1 2 1 3 1
1 2 1 4 1
drop table r1;
update t1 set e = 100
where d in (12,6,7);
select * from t1 where d in (12,6,7) order by a,b,c,d;
a b c d e
4 5 4 7 100
5 2 12 12 100
9 2 8 6 100
select * from t1 where d not in (12,6,7) and e = 100;
a b c d e
update t1
set e = 101
where a=1 and
b=2 and
c=1 and
d in (1,4,3,2);
select *
from t1
where a=1 and b=2 and c=1 and d in (1,4,3,2)
order by a,b,c,d;
a b c d e
1 2 1 1 101
1 2 1 2 101
1 2 1 3 101
1 2 1 4 101
select *
from t1
where not (a=1 and b=2 and c=1 and d in (1,4,3,2))
and e=101;
a b c d e
update t1
set e =
(case d
when 12 then 112
when 6 then 106
when 7 then 107
end)
where d in (12,6,7);
select * from t1 where d in (12,6,7) order by a,b,c,d;
a b c d e
4 5 4 7 107
5 2 12 12 112
9 2 8 6 106
update t1
set e =
(case d
when 1 then 111
when 4 then 444
when 3 then 333
when 2 then 222
end)
where a=1 and
b=2 and
c=1 and
d in (1,4,3,2);
select *
from t1
where a=1 and b=2 and c=1 and d in (1,4,3,2)
order by a,b,c,d;
a b c d e
1 2 1 1 111
1 2 1 2 222
1 2 1 3 333
1 2 1 4 444
delete from t1 where d in (12,6,7);
select * from t1 where d in (12,6,7);
a b c d e
drop table t1;
create table t1 (
a int not null primary key,
b int,
c int,
d int,
unique index (b),
index(c)
) engine = ndb;
insert into t1 values
(1,null,1,1),
(2,2,2,2),
(3,null,null,3),
(4,4,null,4),
(5,null,5,null),
(6,6,6,null),
(7,null,null,null),
(8,8,null,null),
(9,null,9,9),
(10,10,10,10),
(11,null,null,11),
(12,12,null,12),
(13,null,13,null),
(14,14,14,null),
(15,null,null,null),
(16,16,null,null);
create table t2 as select * from t1 where a in (5,6,7,8,9,10);
select * from t2 order by a;
a b c d
5 NULL 5 NULL
6 6 6 NULL
7 NULL NULL NULL
8 8 NULL NULL
9 NULL 9 9
10 10 10 10
drop table t2;
create table t2 as select * from t1 where b in (5,6,7,8,9,10);
select * from t2 order by a;
a b c d
6 6 6 NULL
8 8 NULL NULL
10 10 10 10
drop table t2;
create table t2 as select * from t1 where c in (5,6,7,8,9,10);
select * from t2 order by a;
a b c d
5 NULL 5 NULL
6 6 6 NULL
9 NULL 9 9
10 10 10 10
drop table t2;
drop table t1;
CREATE TABLE t1 (
a int(11) NOT NULL,
b int(11) NOT NULL,
c datetime default NULL,
PRIMARY KEY (a),
KEY idx_bc (b,c)
) ENGINE=ndbcluster;
INSERT INTO t1 VALUES
(406989,67,'2006-02-23 17:08:46'), (150078,67,'2005-10-26 11:17:45'),
(406993,67,'2006-02-27 11:20:57'), (245655,67,'2005-12-08 15:59:08'),
(406994,67,'2006-02-27 11:26:46'), (256,67,NULL),
(398341,67,'2006-02-20 04:48:44'), (254,67,NULL),(1120,67,NULL),
(406988,67,'2006-02-23 17:07:22'), (255,67,NULL),
(398340,67,'2006-02-20 04:38:53'),(406631,67,'2006-02-23 10:49:42'),
(245653,67,'2005-12-08 15:59:07'),(406992,67,'2006-02-24 16:47:18'),
(245654,67,'2005-12-08 15:59:08'),(406995,67,'2006-02-28 11:55:00'),
(127261,67,'2005-10-13 12:17:58'),(406991,67,'2006-02-24 16:42:32'),
(245652,67,'2005-12-08 15:58:27'),(398545,67,'2006-02-20 04:53:13'),
(154504,67,'2005-10-28 11:53:01'),(9199,67,NULL),(1,67,'2006-02-23 15:01:35'),
(223456,67,NULL),(4101,67,NULL),(1133,67,NULL),
(406990,67,'2006-02-23 18:01:45'),(148815,67,'2005-10-25 15:34:17'),
(148812,67,'2005-10-25 15:30:01'),(245651,67,'2005-12-08 15:58:27'),
(154503,67,'2005-10-28 11:52:38');
create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 asc;
create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc;
create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc;
create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc;
select * from t11 order by 1,2,3;
a b c
254 67 NULL
255 67 NULL
256 67 NULL
1120 67 NULL
1133 67 NULL
4101 67 NULL
9199 67 NULL
223456 67 NULL
select * from t12 order by 1,2,3;
a b c
254 67 NULL
255 67 NULL
256 67 NULL
1120 67 NULL
1133 67 NULL
4101 67 NULL
9199 67 NULL
223456 67 NULL
select * from t21 order by 1,2,3;
a b c
1 67 2006-02-23 15:01:35
254 67 NULL
255 67 NULL
256 67 NULL
1120 67 NULL
1133 67 NULL
4101 67 NULL
9199 67 NULL
223456 67 NULL
245651 67 2005-12-08 15:58:27
245652 67 2005-12-08 15:58:27
245653 67 2005-12-08 15:59:07
245654 67 2005-12-08 15:59:08
245655 67 2005-12-08 15:59:08
398340 67 2006-02-20 04:38:53
398341 67 2006-02-20 04:48:44
398545 67 2006-02-20 04:53:13
406631 67 2006-02-23 10:49:42
406988 67 2006-02-23 17:07:22
406989 67 2006-02-23 17:08:46
406990 67 2006-02-23 18:01:45
406991 67 2006-02-24 16:42:32
406992 67 2006-02-24 16:47:18
406993 67 2006-02-27 11:20:57
406994 67 2006-02-27 11:26:46
406995 67 2006-02-28 11:55:00
select * from t22 order by 1,2,3;
a b c
1 67 2006-02-23 15:01:35
254 67 NULL
255 67 NULL
256 67 NULL
1120 67 NULL
1133 67 NULL
4101 67 NULL
9199 67 NULL
223456 67 NULL
245651 67 2005-12-08 15:58:27
245652 67 2005-12-08 15:58:27
245653 67 2005-12-08 15:59:07
245654 67 2005-12-08 15:59:08
245655 67 2005-12-08 15:59:08
398340 67 2006-02-20 04:38:53
398341 67 2006-02-20 04:48:44
398545 67 2006-02-20 04:53:13
406631 67 2006-02-23 10:49:42
406988 67 2006-02-23 17:07:22
406989 67 2006-02-23 17:08:46
406990 67 2006-02-23 18:01:45
406991 67 2006-02-24 16:42:32
406992 67 2006-02-24 16:47:18
406993 67 2006-02-27 11:20:57
406994 67 2006-02-27 11:26:46
406995 67 2006-02-28 11:55:00
DROP TABLE t1, t11, t12, t21, t22;
|
