summaryrefslogtreecommitdiff
path: root/mysql-test/t/auto_increment.test
blob: d02850f674586233cd33a3f9bc255ad31d899ade (plain)
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
#
# Test of auto_increment;  The test for BDB tables is in bdb.test
#
--disable_warnings
drop table if exists t1;
--enable_warnings
SET SQL_WARNINGS=1;

create table t1 (a int not null auto_increment,b int, primary key (a)) type=myisam auto_increment=3;
insert into t1 values (1,1),(NULL,3),(NULL,4);
delete from t1 where a=4;
insert into t1 values (NULL,5),(NULL,6);
select * from t1;
delete from t1 where a=6;
#show table status like "t1";
replace t1 values (3,1);
ALTER TABLE t1 add c int;
replace t1 values (3,3,3);
insert into t1 values (NULL,7,7);
update t1 set a=8,b=b+1,c=c+1 where a=7;
insert into t1 values (NULL,9,9);
select * from t1;
drop table t1;

create table t1 (
  skey tinyint unsigned NOT NULL auto_increment PRIMARY KEY,
  sval char(20)
);
insert into t1 values (NULL, "hello");
insert into t1 values (NULL, "hey");
select * from t1;
select _rowid,t1._rowid,skey,sval from t1;
drop table t1;

#
# Test auto_increment on sub key
#
create table t1 (a char(10) not null, b int not null auto_increment, primary key(a,b));
insert into t1 values ("a",1),("b",2),("a",2),("c",1);
insert into t1 values ("a",NULL),("b",NULL),("c",NULL),("e",NULL);
insert into t1 (a) values ("a"),("b"),("c"),("d");
insert into t1 (a) values ('k'),('d');
insert into t1 (a) values ("a");
insert into t1 values ("d",last_insert_id());
select * from t1;
drop table t1;

create table t1 (ordid int(8) not null auto_increment, ord  varchar(50) not null, primary key (ordid), index(ord,ordid)); 
insert into t1 (ordid,ord) values (NULL,'sdj'),(NULL,'sdj');
select * from t1;
drop table t1;

create table t1 (ordid int(8) not null auto_increment, ord  varchar(50) not null, primary key (ord,ordid));
insert into t1 values (NULL,'sdj'),(NULL,'sdj'),(NULL,"abc"),(NULL,'abc'),(NULL,'zzz'),(NULL,'sdj'),(NULL,'abc');
select * from t1;
drop table t1;

create table t1 (sid char(5), id int(2) NOT NULL auto_increment, key(sid,  id));
create table t2 (sid char(20), id int(2));
insert into t2 values ('skr',NULL),('skr',NULL),('test',NULL);
insert into t1 select * from t2;
select * from t1;
drop table t1,t2;

#
# Test of auto_increment columns when they are set to 0
#

create table t1 (a int not null primary key auto_increment);
insert into t1 values (0);
update t1 set a=0;
select * from t1;
check table t1;
drop table t1;

#
# last_insert_id() madness
#
create table t1 (i tinyint unsigned not null auto_increment primary key);
insert into t1 set i = 254;
insert into t1 set i = null;
select last_insert_id();
explain extended select last_insert_id();
--error 1062
insert into t1 set i = 254;
select last_insert_id();
--error 1062
insert into t1 set i = null;
select last_insert_id();
drop table t1;

create table t1 (i tinyint unsigned not null auto_increment, key (i));
insert into t1 set i = 254;
insert into t1 set i = null;
select last_insert_id();
insert into t1 set i = null;
select last_insert_id();
drop table t1;

create table t1 (i tinyint unsigned not null auto_increment primary key, b int, unique (b));
insert into t1 values (NULL, 10);
select last_insert_id();
insert into t1 values (NULL, 15);
select last_insert_id();
--error 1062
insert into t1 values (NULL, 10);
select last_insert_id();

drop table t1;

create table t1(a int auto_increment,b int null,primary key(a));
SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
insert into t1(a,b)values(NULL,1);
insert into t1(a,b)values(200,2);
insert into t1(a,b)values(0,3);
insert into t1(b)values(4);
insert into t1(b)values(5);
insert into t1(b)values(6);
insert into t1(b)values(7);
select * from t1 order by b;
delete from t1 where a=0;
update t1 set a=0 where b=5;
select * from t1 order by b;
delete from t1 where a=0;
update t1 set a=NULL where b=6;
update t1 set a=300 where b=7;
SET SQL_MODE='';
insert into t1(a,b)values(NULL,8);
insert into t1(a,b)values(400,9);
insert into t1(a,b)values(0,10);
insert into t1(b)values(11);
insert into t1(b)values(12);
insert into t1(b)values(13);
insert into t1(b)values(14);
select * from t1 order by b;
delete from t1 where a=0;
update t1 set a=0 where b=12;
select * from t1 order by b;
delete from t1 where a=0;
update t1 set a=NULL where b=13;
update t1 set a=500 where b=14;
select * from t1 order by b;
drop table t1;