drop table if exists t1,t2,t3;
create table t1 (a int not null);
insert into t1 values (1);
insert into t1 values (a+2);
insert into t1 values (a+3),(a+4);
insert into t1 values (5),(a+6);
select * from t1;
a
1
2
3
4
5
6
drop table t1;
create table t1 (id int not null auto_increment primary key, username varchar(32) not null, unique (username));
insert into t1 values (0,"mysql");
insert into t1 values (0,"mysql ab");
insert into t1 values (0,"mysql a");
insert into t1 values (0,"r1manic");
insert into t1 values (0,"r1man");
drop table t1;
create table t1 (a int not null auto_increment, primary key (a), t timestamp, c char(10) default "hello", i int);
insert into t1 values (default,default,default,default), (default,default,default,default), (4,0,"a",5),(default,default,default,default);
select a,t>0,c,i from t1;
a	t>0	c	i
1	1	hello	NULL
2	1	hello	NULL
4	0	a	5
5	1	hello	NULL
truncate table t1;
insert into t1 set a=default,t=default,c=default;
insert into t1 set a=default,t=default,c=default,i=default;
insert into t1 set a=4,t=0,c="a",i=5;
insert into t1 set a=5,t=0,c="a",i=null;
insert into t1 set a=default,t=default,c=default,i=default;
select a,t>0,c,i from t1;
a	t>0	c	i
1	1	hello	NULL
2	1	hello	NULL
4	0	a	5
5	0	a	NULL
6	1	hello	NULL
drop table t1;
create table t1 (sid char(20), id int(2) NOT NULL auto_increment, key(sid, id));
insert into t1 values ('skr',NULL),('skr',NULL),('test',NULL);
select * from t1;
sid	id
skr	1
skr	2
test	3
insert into t1 values ('rts',NULL),('rts',NULL),('test',NULL);
select * from t1;
sid	id
rts	4
rts	5
skr	1
skr	2
test	3
test	6
drop table t1;
create table t1 (id int NOT NULL DEFAULT 8);
insert into t1 values(NULL);
ERROR 23000: Column 'id' cannot be null
insert into t1 values (1), (NULL), (2);
Warnings:
Warning	1048	Column 'id' cannot be null
select * from t1;
id
1
0
2
drop table t1;
create table t1 (email varchar(50));
insert into t1 values ('sasha@mysql.com'),('monty@mysql.com'),('foo@hotmail.com'),('foo@aol.com'),('bar@aol.com');
create table t2(id int not null auto_increment primary key, t2 varchar(50), unique(t2));
insert into t2 (t2) select distinct substring(email, locate('@', email)+1) from t1;
select * from t2;
id	t2
1	mysql.com
2	hotmail.com
3	aol.com
drop table t1,t2;
drop database if exists mysqltest;
create database mysqltest;
use mysqltest;
create table t1 (c int);
insert into mysqltest.t1 set mysqltest.t1.c = '1';
drop database mysqltest;
use test;
create table t1(number int auto_increment primary key, original_value varchar(50), f_double double, f_float float, f_double_7_2 double(7,2), f_float_4_3 float (4,3), f_double_u double unsigned, f_float_u float unsigned, f_double_15_1_u double(15,1) unsigned, f_float_3_1_u float (3,1) unsigned);
set @value= "aa";
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1265	Data truncated for column 'f_double' at row 1
Warning	1265	Data truncated for column 'f_float' at row 1
Warning	1265	Data truncated for column 'f_double_7_2' at row 1
Warning	1265	Data truncated for column 'f_float_4_3' at row 1
Warning	1265	Data truncated for column 'f_double_u' at row 1
Warning	1265	Data truncated for column 'f_float_u' at row 1
Warning	1265	Data truncated for column 'f_double_15_1_u' at row 1
Warning	1265	Data truncated for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	1
original_value	aa
f_double	0
f_float	0
f_double_7_2	0.00
f_float_4_3	0.000
f_double_u	0
f_float_u	0
f_double_15_1_u	0.0
f_float_3_1_u	0.0
set @value= "1aa";
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1265	Data truncated for column 'f_double' at row 1
Warning	1265	Data truncated for column 'f_float' at row 1
Warning	1265	Data truncated for column 'f_double_7_2' at row 1
Warning	1265	Data truncated for column 'f_float_4_3' at row 1
Warning	1265	Data truncated for column 'f_double_u' at row 1
Warning	1265	Data truncated for column 'f_float_u' at row 1
Warning	1265	Data truncated for column 'f_double_15_1_u' at row 1
Warning	1265	Data truncated for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	2
original_value	1aa
f_double	1
f_float	1
f_double_7_2	1.00
f_float_4_3	1.000
f_double_u	1
f_float_u	1
f_double_15_1_u	1.0
f_float_3_1_u	1.0
set @value= "aa1";
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1265	Data truncated for column 'f_double' at row 1
Warning	1265	Data truncated for column 'f_float' at row 1
Warning	1265	Data truncated for column 'f_double_7_2' at row 1
Warning	1265	Data truncated for column 'f_float_4_3' at row 1
Warning	1265	Data truncated for column 'f_double_u' at row 1
Warning	1265	Data truncated for column 'f_float_u' at row 1
Warning	1265	Data truncated for column 'f_double_15_1_u' at row 1
Warning	1265	Data truncated for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	3
original_value	aa1
f_double	0
f_float	0
f_double_7_2	0.00
f_float_4_3	0.000
f_double_u	0
f_float_u	0
f_double_15_1_u	0.0
f_float_3_1_u	0.0
set @value= "1e+1111111111a";
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1264	Out of range value for column 'f_double' at row 1
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_double_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	4
original_value	1e+1111111111a
f_double	1.7976931348623157e308
f_float	3.40282e38
f_double_7_2	99999.99
f_float_4_3	9.999
f_double_u	1.7976931348623157e308
f_float_u	3.40282e38
f_double_15_1_u	99999999999999.9
f_float_3_1_u	99.9
set @value= "-1e+1111111111a";
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1264	Out of range value for column 'f_double' at row 1
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_double_u' at row 1
Warning	1264	Out of range value for column 'f_double_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	5
original_value	-1e+1111111111a
f_double	-1.7976931348623157e308
f_float	-3.40282e38
f_double_7_2	-99999.99
f_float_4_3	-9.999
f_double_u	0
f_float_u	0
f_double_15_1_u	0.0
f_float_3_1_u	0.0
set @value= 1e+1111111111;
ERROR 22007: Illegal double '1e+1111111111' value found during parsing
set @value= -1e+1111111111;
ERROR 22007: Illegal double '1e+1111111111' value found during parsing
set @value= 1e+111;
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	6
original_value	1e111
f_double	1e111
f_float	3.40282e38
f_double_7_2	99999.99
f_float_4_3	9.999
f_double_u	1e111
f_float_u	3.40282e38
f_double_15_1_u	99999999999999.9
f_float_3_1_u	99.9
set @value= -1e+111;
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1264	Out of range value for column 'f_float' at row 1
Warning	1264	Out of range value for column 'f_double_7_2' at row 1
Warning	1264	Out of range value for column 'f_float_4_3' at row 1
Warning	1264	Out of range value for column 'f_double_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	7
original_value	-1e111
f_double	-1e111
f_float	-3.40282e38
f_double_7_2	-99999.99
f_float_4_3	-9.999
f_double_u	0
f_float_u	0
f_double_15_1_u	0.0
f_float_3_1_u	0.0
set @value= 1;
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
select * from t1 where number =last_insert_id();
number	8
original_value	1
f_double	1
f_float	1
f_double_7_2	1.00
f_float_4_3	1.000
f_double_u	1
f_float_u	1
f_double_15_1_u	1.0
f_float_3_1_u	1.0
set @value= -1;
insert into t1 values(null,@value,@value,@value,@value,@value,@value,@value,@value,@value);
Warnings:
Warning	1264	Out of range value for column 'f_double_u' at row 1
Warning	1264	Out of range value for column 'f_float_u' at row 1
Warning	1264	Out of range value for column 'f_double_15_1_u' at row 1
Warning	1264	Out of range value for column 'f_float_3_1_u' at row 1
select * from t1 where number =last_insert_id();
number	9
original_value	-1
f_double	-1
f_float	-1
f_double_7_2	-1.00
f_float_4_3	-1.000
f_double_u	0
f_float_u	0
f_double_15_1_u	0.0
f_float_3_1_u	0.0
drop table t1;
create table t1(id1 int not null auto_increment primary key, t char(12));
create table t2(id2 int not null, t char(12));
create table t3(id3 int not null, t char(12), index(id3));
select count(*) from t2;
count(*)
500
insert into  t2 select t1.* from t1, t2 t, t3 where  t1.id1 = t.id2 and t.id2 = t3.id3;
select count(*) from t2;
count(*)
25500
drop table t1,t2,t3;
create table t1 (a int, b int);
insert into t1 (a,b) values (a,b);
insert into t1 SET a=1, b=a+1;
insert into t1 (a,b) select 1,2;
INSERT INTO t1 ( a ) SELECT 0 ON DUPLICATE KEY UPDATE a = a + VALUES (a);
prepare stmt1 from ' replace into t1 (a,a) select 100, ''hundred'' ';
execute stmt1;
ERROR 42000: Column 'a' specified twice
insert into t1 (a,b,b) values (1,1,1);
ERROR 42000: Column 'b' specified twice
insert into t1 (a,a) values (1,1,1);
ERROR 21S01: Column count doesn't match value count at row 1
insert into t1 (a,a) values (1,1);
ERROR 42000: Column 'a' specified twice
insert into t1 SET a=1,b=2,a=1;
ERROR 42000: Column 'a' specified twice
insert into t1 (b,b) select 1,2;
ERROR 42000: Column 'b' specified twice
INSERT INTO t1 (b,b) SELECT 0,0 ON DUPLICATE KEY UPDATE a = a + VALUES (a);
ERROR 42000: Column 'b' specified twice
drop table t1;
create table t1 (id int primary key, data int);
insert into t1 values (1, 1), (2, 2), (3, 3);
select row_count();
row_count()
3
insert ignore into t1 values (1, 1);
select row_count();
row_count()
0
replace into t1 values (1, 11);
select row_count();
row_count()
2
replace into t1 values (4, 4);
select row_count();
row_count()
1
insert into t1 values (2, 2) on duplicate key update data= data + 10;
select row_count();
row_count()
2
insert into t1 values (5, 5) on duplicate key update data= data + 10;
select row_count();
row_count()
1
drop table t1;
create table t1 (id int primary key auto_increment, data int, unique(data));
insert ignore into t1 values(NULL,100),(NULL,110),(NULL,120);
insert ignore into t1 values(NULL,10),(NULL,20),(NULL,110),(NULL,120),(NULL,100),(NULL,90);
insert ignore into t1 values(NULL,130),(NULL,140),(500,110),(550,120),(450,100),(NULL,150);
select * from t1 order by id;
id	data
1	100
2	110
3	120
4	10
5	20
6	90
7	130
8	140
551	150