2
# test of updating of keys
6
drop table if exists t1,t2;
9
create table t1 (a int auto_increment , primary key (a));
10
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);
11
update t1 set a=a+10 where a > 34;
12
update t1 set a=a+100 where a > 0;
14
# Some strange updates to test some otherwise unused code
15
update t1 set a=a+100 where a=1 and a=2;
17
update t1 set a=b+100 where a=1 and a=2;
19
update t1 set a=b+100 where c=1 and a=2;
21
update t1 set d=a+100 where a=1;
27
place_id int NOT NULL,
28
shows int DEFAULT '0' NOT NULL,
29
ishows int DEFAULT '0' NOT NULL,
30
ushows int DEFAULT '0' NOT NULL,
31
clicks int DEFAULT '0' NOT NULL,
32
iclicks int DEFAULT '0' NOT NULL,
33
uclicks int DEFAULT '0' NOT NULL,
35
PRIMARY KEY (place_id,ts)
38
INSERT INTO t1 (place_id,shows,ishows,ushows,clicks,iclicks,uclicks,ts)
39
VALUES (1,0,0,0,0,0,0,20000928174434);
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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";
41
select place_id,shows from t1;
45
# Test bug with update reported by Jan Legenhausen
49
lfdnr int NOT NULL default '0',
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ticket int NOT NULL default '0',
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client varchar(255) NOT NULL default '',
52
replyto varchar(255) NOT NULL default '',
53
subject varchar(100) NOT NULL default '',
54
timestamp int NOT NULL default '0',
55
tstamp timestamp NOT NULL,
56
status int NOT NULL default '0',
57
type varchar(15) NOT NULL default '',
58
assignment int NOT NULL default '0',
59
fupcount int NOT NULL default '0',
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parent int NOT NULL default '0',
61
activity int NOT NULL default '0',
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priority int NOT NULL default '1',
63
cc varchar(255) NOT NULL default '',
64
bcc varchar(255) NOT NULL default '',
76
INSERT INTO t1 VALUES (773,773,'','','',980257344,20010318180652,0,'Open',10,0,0,0,1,'','','','','');
78
alter table t1 change lfdnr lfdnr int not null auto_increment;
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update t1 set status=1 where type='Open';
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select status from t1;
87
create table t1 (a int not null, b int not null, key (a));
88
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);
90
update t1 set b=(@tmp:=@tmp+1) order by a;
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update t1 set b=99 where a=1 order by b asc limit 1;
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select * from t1 order by a,b;
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update t1 set b=100 where a=1 order by b desc limit 2;
94
update t1 set a=a+10+b where a=1 order by b;
95
select * from t1 order by a,b;
96
create table t2 (a int not null, b int not null);
97
insert into t2 values (1,1),(1,2),(1,3);
98
update t1 set b=(select distinct 1 from (select * from t2) a);
102
# Test with limit (Bug #393)
106
`id_param` int NOT NULL default '0',
107
`nom_option` char(40) NOT NULL default '',
108
`valid` int NOT NULL default '0',
109
KEY `id_param` (`id_param`,`nom_option`)
112
INSERT INTO t1 (id_param,nom_option,valid) VALUES (185,'600x1200',1);
114
UPDATE t1 SET nom_option='test' WHERE id_param=185 AND nom_option='600x1200' AND valid=1 LIMIT 1;
119
# Multi table update test from bugs
122
create table t1 (F1 VARCHAR(30), F2 VARCHAR(30), F3 VARCHAR(30), cnt int, groupid int, KEY groupid_index (groupid));
124
insert into t1 (F1,F2,F3,cnt,groupid) values ('0','0','0',1,6),
125
('0','1','2',1,5), ('0','2','0',1,3), ('1','0','1',1,2),
126
('1','2','1',1,1), ('1','2','2',1,1), ('2','0','1',2,4),
128
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);
135
create table t1 (c1 int, c2 char(6), c3 int);
136
create table t2 (c1 int, c2 char(6));
137
insert into t1 values (1, "t1c2-1", 10), (2, "t1c2-2", 20);
138
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1";
139
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1" where t1.c3 = 10;
145
create table t1 (id int not null auto_increment primary key, id_str varchar(32));
146
insert into t1 (id_str) values ("test");
147
update t1 set id_str = concat(id_str, id) where id = last_insert_id();
152
# Bug #8942: a problem with update and partial key part
155
create table t1 (a int, b char(255), key(a, b(20)));
156
insert into t1 values (0, '1');
157
update t1 set b = b + 1 where a = 0;
161
# BUG#9103 "Erroneous data truncation warnings on multi-table updates"
162
create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
163
create table t2 (a int, b varchar(10)) engine=myisam;
164
insert into t1 values ( 1, 'abcd1e');
165
insert into t1 values ( 2, 'abcd2e');
166
insert into t2 values ( 1, 'abcd1e');
167
insert into t2 values ( 2, 'abcd2e');
169
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
174
# Bug #11868 Update with subquery with ref built with a key from the updated
175
# table crashes server
177
create table t1(f1 int, f2 int);
178
create table t2(f3 int, f4 int);
179
create index idx on t2(f3);
180
insert into t1 values(1,0),(2,0);
181
insert into t2 values(1,1),(2,2);
182
UPDATE t1 SET t1.f2=(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1);
187
# Bug #13180 sometimes server accepts sum func in update/delete where condition
189
create table t1(f1 int);
192
update t1 set f1=1 where count(*)=1;
195
delete from t1 where count(*)=1;
198
# BUG#12915: Optimize "DELETE|UPDATE ... ORDER BY ... LIMIT n" to use an index
199
create table t1 ( a int, b int default 0, index (a) );
200
insert into t1 (a) values (0),(0),(0),(0),(0),(0),(0),(0);
203
select a from t1 order by a limit 1;
204
show status like 'handler_read%';
207
update t1 set a=9999 order by a limit 1;
208
update t1 set b=9999 order by a limit 1;
209
show status like 'handler_read%';
212
delete from t1 order by a limit 1;
213
show status like 'handler_read%';
216
delete from t1 order by a desc limit 1;
217
show status like 'handler_read%';
219
alter table t1 disable keys;
222
delete from t1 order by a limit 1;
223
show status like 'handler_read%';
226
update t1 set a=a+10,b=1 order by a limit 3;
227
update t1 set a=a+11,b=2 order by a limit 3;
228
update t1 set a=a+12,b=3 order by a limit 3;
229
select * from t1 order by a;
234
# Bug#14186 select datefield is null not updated
236
create table t1 (f1 date not null);
237
insert into t1 values('2000-01-01'),('0000-00-00');
238
update t1 set f1='2002-02-02' where f1 is null;
243
# Bug#15028 Multitable update returns different numbers of matched rows
244
# depending on table order
245
create table t1 (f1 int);
246
create table t2 (f2 int);
247
insert into t1 values(1),(2);
248
insert into t2 values(1),(1);
250
update t1,t2 set f1=3,f2=3 where f1=f2 and f1=1;
253
update t1 set f1=1 where f1=3;
255
update t2,t1 set f1=3,f2=3 where f1=f2 and f1=1;
261
create table t1 (a int);
262
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
263
create table t2 (a int, filler1 char(200), filler2 char(200), key(a));
264
insert into t2 select A.a + 10*B.a, 'filler','filler' from t1 A, t1 B;
266
update t2 set a=3 where a=2;
267
show status like 'handler_read%';
271
# Bug #16510 Updating field named like '*name' caused server crash
273
create table t1(f1 int, `*f2` int);
274
insert into t1 values (1,1);
275
update t1 set `*f2`=1;
279
# Bug#25126: Wrongly resolved field leads to a crash
281
create table t1(f1 int);
283
update t1 set f2=1 order by f2;
288
# Bug #24035: performance degradation with condition int_field=big_decimal
292
request_id int NOT NULL auto_increment,
293
user_id varchar(12) default NULL,
294
time_stamp datetime NOT NULL default '0000-00-00 00:00:00',
295
ip_address varchar(15) default NULL,
296
PRIMARY KEY (request_id),
297
KEY user_id_2 (user_id,time_stamp)
300
INSERT INTO t1 (user_id) VALUES ('user1');
301
INSERT INTO t1(user_id) SELECT user_id FROM t1;
302
INSERT INTO t1(user_id) SELECT user_id FROM t1;
303
INSERT INTO t1(user_id) SELECT user_id FROM t1;
304
INSERT INTO t1(user_id) SELECT user_id FROM t1;
305
INSERT INTO t1(user_id) SELECT user_id FROM t1;
306
INSERT INTO t1(user_id) SELECT user_id FROM t1;
307
INSERT INTO t1(user_id) SELECT user_id FROM t1;
308
INSERT INTO t1(user_id) SELECT user_id FROM t1;
311
SELECT user_id FROM t1 WHERE request_id=9999999999999;
312
show status like '%Handler_read%';
313
SELECT user_id FROM t1 WHERE request_id=999999999999999999999999999999;
314
show status like '%Handler_read%';
315
UPDATE t1 SET user_id=null WHERE request_id=9999999999999;
316
show status like '%Handler_read%';
317
UPDATE t1 SET user_id=null WHERE request_id=999999999999999999999999999999;
318
show status like '%Handler_read%';
323
# Bug #24010: INSERT INTO ... SELECT fails on unique constraint with data it
329
quux decimal( 31, 30 ),
342
SELECT @newA := 1 + a FROM t1 WHERE quux <= 0.1;
349
# Bug #22364: Inconsistent "matched rows" when executing UPDATE
352
connect (con1,localhost,root,,test);
355
set tmp_table_size=1024;
357
# Create the test tables
358
create table t1 (id int, a int, key idx(a));
359
create table t2 (id int not null auto_increment primary key, a int);
360
insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
361
insert into t2(a) select a from t2;
362
insert into t2(a) select a from t2;
363
insert into t2(a) select a from t2;
365
insert into t1 select * from t2;
367
# Check that the number of matched rows is correct when the temporary
368
# table is small enough to not be converted to MyISAM
369
select count(*) from t1 join t2 on (t1.a=t2.a);
371
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
374
# Increase table sizes
375
insert into t2(a) select a from t2;
378
insert into t1 select * from t2;
380
# Check that the number of matched rows is correct when the temporary
381
# table has to be converted to MyISAM
382
select count(*) from t1 join t2 on (t1.a=t2.a);
384
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
387
# Check that the number of matched rows is correct when there are duplicate
391
select count(*) from t1 join t2 on (t1.a=t2.a);
393
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
401
--echo End of 5.0 tests