~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
drop table if exists t1,t2;
create table t1 (a int auto_increment , primary key (a));
insert into t1 values (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
update t1 set a=a+10 where a > 34;
update t1 set a=a+100 where a > 0;
update t1 set a=a+100 where a=1 and a=2;
update t1 set a=b+100 where a=1 and a=2;
ERROR 42S22: Unknown column 'b' in 'field list'
update t1 set a=b+100 where c=1 and a=2;
ERROR 42S22: Unknown column 'c' in 'where clause'
update t1 set d=a+100 where a=1;
ERROR 42S22: Unknown column 'd' in 'field list'
select * from t1;
a
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
145
146
drop table t1;
CREATE TABLE t1
(
place_id int NOT NULL,
shows int DEFAULT '0' NOT NULL,
ishows int DEFAULT '0' NOT NULL,
ushows int DEFAULT '0' NOT NULL,
clicks int DEFAULT '0' NOT NULL,
iclicks int DEFAULT '0' NOT NULL,
uclicks int DEFAULT '0' NOT NULL,
ts timestamp,
PRIMARY KEY (place_id,ts)
);
INSERT INTO t1 (place_id,shows,ishows,ushows,clicks,iclicks,uclicks,ts)
VALUES (1,0,0,0,0,0,0,20000928174434);
UPDATE t1 SET shows=shows+1,ishows=ishows+1,ushows=ushows+1,clicks=clicks+1,iclicks=iclicks+1,uclicks=uclicks+1 WHERE place_id=1 AND ts>="2000-09-28 00:00:00";
select place_id,shows from t1;
place_id	shows
1	1
drop table t1;
CREATE TABLE t1 (
lfdnr int NOT NULL default '0',
ticket int NOT NULL default '0',
client varchar(255) NOT NULL default '',
replyto varchar(255) NOT NULL default '',
subject varchar(100) NOT NULL default '',
timestamp int NOT NULL default '0',
tstamp timestamp NOT NULL,
status int NOT NULL default '0',
type varchar(15) NOT NULL default '',
assignment int NOT NULL default '0',
fupcount int NOT NULL default '0',
parent int NOT NULL default '0',
activity int NOT NULL default '0',
priority int NOT NULL default '1',
cc varchar(255) NOT NULL default '',
bcc varchar(255) NOT NULL default '',
body text NOT NULL,
comment text,
header text,
PRIMARY KEY  (lfdnr),
KEY k1 (timestamp),
KEY k2 (type),
KEY k3 (parent),
KEY k4 (assignment),
KEY ticket (ticket)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (773,773,'','','',980257344,20010318180652,0,'Open',10,0,0,0,1,'','','','','');
alter table t1 change lfdnr lfdnr int not null auto_increment;
update t1 set status=1 where type='Open';
select status from t1;
status
1
drop table t1;
create table t1 (a int not null, b int not null, key (a));
insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3);
SET @tmp=0;
update t1 set b=(@tmp:=@tmp+1) order by a;
update t1 set b=99 where a=1 order by b asc limit 1;
select * from t1 order by a,b;
a	b
1	2
1	3
1	99
2	4
2	5
2	6
3	7
3	8
3	9
3	10
3	11
3	12
update t1 set b=100 where a=1 order by b desc limit 2;
update t1 set a=a+10+b where a=1 order by b;
select * from t1 order by a,b;
a	b
2	4
2	5
2	6
3	7
3	8
3	9
3	10
3	11
3	12
13	2
111	100
111	100
create table t2 (a int not null, b int not null);
insert into t2 values (1,1),(1,2),(1,3);
update t1 set b=(select distinct 1 from (select * from t2) a);
drop table t1,t2;
CREATE TABLE t1 (
`id_param` int NOT NULL default '0',
`nom_option` char(40) NOT NULL default '',
`valid` int NOT NULL default '0',
KEY `id_param` (`id_param`,`nom_option`)
) ENGINE=MyISAM;
INSERT INTO t1 (id_param,nom_option,valid) VALUES (185,'600x1200',1);
UPDATE t1 SET nom_option='test' WHERE id_param=185 AND nom_option='600x1200' AND valid=1 LIMIT 1;
select * from t1;
id_param	nom_option	valid
185	test	1
drop table t1;
create table t1 (F1 VARCHAR(30), F2 VARCHAR(30), F3 VARCHAR(30), cnt int, groupid int, KEY groupid_index (groupid));
insert into t1 (F1,F2,F3,cnt,groupid) values ('0','0','0',1,6),
('0','1','2',1,5), ('0','2','0',1,3), ('1','0','1',1,2),
('1','2','1',1,1), ('1','2','2',1,1), ('2','0','1',2,4),
('2','2','0',1,7);
delete from m1 using t1 m1,t1 m2 where m1.groupid=m2.groupid and (m1.cnt < m2.cnt or m1.cnt=m2.cnt and m1.F3>m2.F3);
select * from t1;
F1	F2	F3	cnt	groupid
0	0	0	1	6
0	1	2	1	5
0	2	0	1	3
1	0	1	1	2
1	2	1	1	1
2	0	1	2	4
2	2	0	1	7
drop table t1;
create table t1 (c1 int, c2 char(6), c3 int);
create table t2 (c1 int, c2 char(6));
insert into t1 values (1, "t1c2-1", 10), (2, "t1c2-2", 20);
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1";
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1" where t1.c3 = 10;
drop table t1, t2;
create table t1 (id int not null auto_increment primary key, id_str varchar(32));
insert into t1 (id_str) values ("test");
update t1 set id_str = concat(id_str, id) where id = last_insert_id();
select * from t1;
id	id_str
1	test1
drop table t1;
create table t1 (a int, b char(255), key(a, b(20)));
insert into t1 values (0, '1');
update t1 set b = b + 1 where a = 0;
select * from t1;
a	b
0	2
drop table t1;
create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
create table t2 (a int, b varchar(10)) engine=myisam;
insert into t1 values ( 1, 'abcd1e');
insert into t1 values ( 2, 'abcd2e');
insert into t2 values ( 1, 'abcd1e');
insert into t2 values ( 2, 'abcd2e');
analyze table t1,t2;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
test.t2	analyze	status	OK
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
show warnings;
Level	Code	Message
drop table t1, t2;
create table t1(f1 int, f2 int);
create table t2(f3 int, f4 int);
create index idx on t2(f3);
insert into t1 values(1,0),(2,0);
insert into t2 values(1,1),(2,2);
UPDATE t1 SET t1.f2=(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1);
select * from t1;
f1	f2
1	1
2	2
drop table t1,t2;
create table t1(f1 int);
select DATABASE();
DATABASE()
test
update t1 set f1=1 where count(*)=1;
ERROR HY000: Invalid use of group function
select DATABASE();
DATABASE()
test
delete from t1 where count(*)=1;
ERROR HY000: Invalid use of group function
drop table t1;
create table t1 ( a int, b int default 0, index (a) );
insert into t1 (a) values (0),(0),(0),(0),(0),(0),(0),(0);
flush status;
select a from t1 order by a limit 1;
a
0
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	1
Handler_read_key	2
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
flush status;
update t1 set a=9999 order by a limit 1;
update t1 set b=9999 order by a limit 1;
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	2
Handler_read_key	12
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	2
Handler_read_rnd_next	18
flush status;
delete from t1 order by a limit 1;
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	1
Handler_read_key	6
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	1
Handler_read_rnd_next	9
flush status;
delete from t1 order by a desc limit 1;
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	1
Handler_read_key	6
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	1
Handler_read_rnd_next	8
alter table t1 disable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
flush status;
delete from t1 order by a limit 1;
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	1
Handler_read_key	6
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	1
Handler_read_rnd_next	7
select * from t1;
a	b
0	0
0	0
0	0
0	0
0	0
update t1 set a=a+10,b=1 order by a limit 3;
update t1 set a=a+11,b=2 order by a limit 3;
update t1 set a=a+12,b=3 order by a limit 3;
select * from t1 order by a;
a	b
11	2
21	2
22	3
22	3
23	3
drop table t1;
create table t1 (f1 date not null);
insert into t1 values('2000-01-01'),('0000-00-00');
update t1 set f1='2002-02-02' where f1 is null;
select * from t1;
f1
2000-01-01
2002-02-02
drop table t1;
create table t1 (f1 int);
create table t2 (f2 int);
insert into t1 values(1),(2);
insert into t2 values(1),(1);
update t1,t2 set f1=3,f2=3 where f1=f2 and f1=1;
affected rows: 3
info: Rows matched: 3  Changed: 3  Warnings: 0
update t2 set f2=1;
update t1 set f1=1 where f1=3;
update t2,t1 set f1=3,f2=3 where f1=f2 and f1=1;
affected rows: 3
info: Rows matched: 3  Changed: 3  Warnings: 0
drop table t1,t2;
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, filler1 char(200), filler2 char(200), key(a));
insert into t2 select A.a + 10*B.a, 'filler','filler' from t1 A, t1 B;
flush status;
update t2 set a=3 where a=2;
show status like 'handler_read%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	6
Handler_read_next	1
Handler_read_prev	0
Handler_read_rnd	1
Handler_read_rnd_next	0
drop table t1, t2;
create table t1(f1 int, `*f2` int);
insert into t1 values (1,1);
update t1 set `*f2`=1;
drop table t1;
create table t1(f1 int);
update t1 set f2=1 order by f2;
ERROR 42S22: Unknown column 'f2' in 'order clause'
drop table t1;
CREATE TABLE t1 (
request_id int NOT NULL auto_increment,
user_id varchar(12) default NULL,
time_stamp datetime NOT NULL default '0000-00-00 00:00:00',
ip_address varchar(15) default NULL,
PRIMARY KEY (request_id),
KEY user_id_2 (user_id,time_stamp)
);
INSERT INTO t1 (user_id) VALUES ('user1');
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
INSERT INTO t1(user_id) SELECT user_id FROM t1;
flush status;
SELECT user_id FROM t1 WHERE request_id=9999999999999;
user_id
show status like '%Handler_read%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	2
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
SELECT user_id FROM t1 WHERE request_id=999999999999999999999999999999;
user_id
show status like '%Handler_read%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	4
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
UPDATE t1 SET user_id=null WHERE request_id=9999999999999;
show status like '%Handler_read%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	6
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
UPDATE t1 SET user_id=null WHERE request_id=999999999999999999999999999999;
show status like '%Handler_read%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	6
Handler_read_next	0
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
DROP TABLE t1;
CREATE TABLE t1 (
a int,
quux decimal( 31, 30 ),
UNIQUE KEY bar (a),
KEY quux (quux)
);
INSERT INTO
t1 ( a, quux )
VALUES
( 1,    1 ),
( 2,  0.1 );
INSERT INTO t1( a )
SELECT @newA := 1 + a FROM t1 WHERE quux <= 0.1;
SELECT * FROM t1;
a	quux
1	1.000000000000000000000000000000
2	0.100000000000000000000000000000
3	NULL
DROP TABLE t1;
set tmp_table_size=1024;
create table t1 (id int, a int, key idx(a));
create table t2 (id int not null auto_increment primary key, a int);
insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
update t2 set a=id;
insert into t1 select * from t2;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
64
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 0
info: Rows matched: 64  Changed: 0  Warnings: 0
insert into t2(a) select a from t2;
update t2 set a=id;
truncate t1;
insert into t1 select * from t2;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
128
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 0
info: Rows matched: 128  Changed: 0  Warnings: 0
update t1 set a=1;
update t2 set a=1;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
16384
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 127
info: Rows matched: 128  Changed: 127  Warnings: 0
drop table t1,t2;
End of 5.0 tests