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drop table if exists t1, t2;
select 1 in (1,2,3);
1 in (1,2,3)
1
select 10 in (1,2,3);
10 in (1,2,3)
0
select NULL in (1,2,3);
NULL in (1,2,3)
NULL
select 1 in (1,NULL,3);
1 in (1,NULL,3)
1
select 3 in (1,NULL,3);
3 in (1,NULL,3)
1
select 10 in (1,NULL,3);
10 in (1,NULL,3)
NULL
select 1.5 in (1.5,2.5,3.5);
1.5 in (1.5,2.5,3.5)
1
select 10.5 in (1.5,2.5,3.5);
10.5 in (1.5,2.5,3.5)
0
select NULL in (1.5,2.5,3.5);
NULL in (1.5,2.5,3.5)
NULL
select 1.5 in (1.5,NULL,3.5);
1.5 in (1.5,NULL,3.5)
1
select 3.5 in (1.5,NULL,3.5);
3.5 in (1.5,NULL,3.5)
1
select 10.5 in (1.5,NULL,3.5);
10.5 in (1.5,NULL,3.5)
NULL
CREATE TABLE t1 (a int, b int, c int);
insert into t1 values (1,2,3), (1,NULL,3);
select 1 in (a,b,c) from t1;
1 in (a,b,c)
1
1
select 3 in (a,b,c) from t1;
3 in (a,b,c)
1
1
select 10 in (a,b,c) from t1;
10 in (a,b,c)
0
NULL
select NULL in (a,b,c) from t1;
NULL in (a,b,c)
NULL
NULL
drop table t1;
CREATE TABLE t1 (a float, b float, c float);
insert into t1 values (1.5,2.5,3.5), (1.5,NULL,3.5);
select 1.5 in (a,b,c) from t1;
1.5 in (a,b,c)
1
1
select 3.5 in (a,b,c) from t1;
3.5 in (a,b,c)
1
1
select 10.5 in (a,b,c) from t1;
10.5 in (a,b,c)
0
NULL
drop table t1;
CREATE TABLE t1 (a varchar(10), b varchar(10), c varchar(10));
insert into t1 values ('A','BC','EFD'), ('A',NULL,'EFD');
select 'A' in (a,b,c) from t1;
'A' in (a,b,c)
1
1
select 'EFD' in (a,b,c) from t1;
'EFD' in (a,b,c)
1
1
select 'XSFGGHF' in (a,b,c) from t1;
'XSFGGHF' in (a,b,c)
0
NULL
drop table t1;
CREATE TABLE t1 (field char(1));
INSERT INTO t1 VALUES ('A'),(NULL);
SELECT * from t1 WHERE field IN (NULL);
field
SELECT * from t1 WHERE field NOT IN (NULL);
field
SELECT * from t1 where field = field;
field
A
SELECT * from t1 where field <=> field;
field
A
NULL
DELETE FROM t1 WHERE field NOT IN (NULL);
SELECT * FROM t1;
field
A
NULL
drop table t1;
create table t1 (id int(10) primary key);
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9);
select * from t1 where id in (2,5,9);
id
2
5
9
drop table t1;
create table t1 (
a char(1) character set latin1 collate latin1_general_ci,
b char(1) character set latin1 collate latin1_swedish_ci,
c char(1) character set latin1 collate latin1_danish_ci
);
insert into t1 values ('A','B','C');
insert into t1 values ('a','c','c');
select * from t1 where a in (b);
ERROR HY000: Illegal mix of collations (latin1_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '='
select * from t1 where a in (b,c);
ERROR HY000: Illegal mix of collations (latin1_general_ci,IMPLICIT), (latin1_swedish_ci,IMPLICIT), (latin1_danish_ci,IMPLICIT) for operation ' IN '
select * from t1 where 'a' in (a,b,c);
ERROR HY000: Illegal mix of collations for operation ' IN '
select * from t1 where 'a' in (a);
a b c
A B C
a c c
select * from t1 where a in ('a');
a b c
A B C
a c c
select * from t1 where 'a' collate latin1_general_ci in (a,b,c);
a b c
A B C
a c c
select * from t1 where 'a' collate latin1_bin in (a,b,c);
a b c
a c c
select * from t1 where 'a' in (a,b,c collate latin1_bin);
a b c
a c c
explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (_latin1'a' in (`test`.`t1`.`a`,`test`.`t1`.`b`,(`test`.`t1`.`c` collate latin1_bin)))
drop table t1;
set names utf8;
create table t1 (a char(10) character set utf8 not null);
insert into t1 values ('bbbb'),(_koi8r''),(_latin1'');
select a from t1 where a in ('bbbb',_koi8r'',_latin1'') order by a;
a
ÄÄÄÄ
bbbb
цццц
drop table t1;
create table t1 (a char(10) character set latin1 not null);
insert into t1 values ('a'),('b'),('c');
select a from t1 where a IN ('a','b','c') order by a;
a
a
b
c
drop table t1;
set names latin1;
select '1.0' in (1,2);
'1.0' in (1,2)
1
select 1 in ('1.0',2);
1 in ('1.0',2)
1
select 1 in (1,'2.0');
1 in (1,'2.0')
1
select 1 in ('1.0',2.0);
1 in ('1.0',2.0)
1
select 1 in (1.0,'2.0');
1 in (1.0,'2.0')
1
select 1 in ('1.1',2);
1 in ('1.1',2)
0
select 1 in ('1.1',2.0);
1 in ('1.1',2.0)
0
create table t1 (a char(2) character set binary);
insert into t1 values ('aa'), ('bb');
select * from t1 where a in (NULL, 'aa');
a
aa
drop table t1;
create table t1 (id int, key(id));
insert into t1 values (1),(2),(3);
select count(*) from t1 where id not in (1);
count(*)
2
select count(*) from t1 where id not in (1,2);
count(*)
1
drop table t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 SELECT 1 IN (2, NULL);
SELECT should return NULL.
SELECT * FROM t1;
1 IN (2, NULL)
NULL
DROP TABLE t1;
End of 4.1 tests
CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 VALUES (44), (45), (46);
SELECT * FROM t1 WHERE a IN (45);
a
45
SELECT * FROM t1 WHERE a NOT IN (0, 45);
a
44
46
SELECT * FROM t1 WHERE a NOT IN (45);
a
44
46
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a NOT IN (45);
SHOW CREATE VIEW v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` <> 45)
SELECT * FROM v1;
a
44
46
DROP VIEW v1;
DROP TABLE t1;
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, filler char(200), key(a));
insert into t2 select C.a*2, 'no' from t1 A, t1 B, t1 C;
insert into t2 select C.a*2+1, 'yes' from t1 C;
explain
select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 12 Using where
select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18);
a filler
1 yes
3 yes
5 yes
7 yes
9 yes
11 yes
13 yes
15 yes
17 yes
19 yes
explain select * from t2 force index(a) where a NOT IN (2,2,2,2,2,2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 912 Using where
explain select * from t2 force index(a) where a <> 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 912 Using where
drop table t2;
create table t2 (a datetime, filler char(200), key(a));
insert into t2 select '2006-04-25 10:00:00' + interval C.a minute,
'no' from t1 A, t1 B, t1 C where C.a % 2 = 0;
insert into t2 select '2006-04-25 10:00:00' + interval C.a*2+1 minute,
'yes' from t1 C;
explain
select * from t2 where a NOT IN (
'2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00',
'2006-04-25 10:06:00', '2006-04-25 10:08:00');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 9 NULL 18 Using where
select * from t2 where a NOT IN (
'2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00',
'2006-04-25 10:06:00', '2006-04-25 10:08:00');
a filler
2006-04-25 10:01:00 yes
2006-04-25 10:03:00 yes
2006-04-25 10:05:00 yes
2006-04-25 10:07:00 yes
2006-04-25 10:09:00 yes
2006-04-25 10:11:00 yes
2006-04-25 10:13:00 yes
2006-04-25 10:15:00 yes
2006-04-25 10:17:00 yes
2006-04-25 10:19:00 yes
drop table t2;
create table t2 (a varchar(10), filler char(200), key(a));
insert into t2 select 'foo', 'no' from t1 A, t1 B;
insert into t2 select 'barbar', 'no' from t1 A, t1 B;
insert into t2 select 'bazbazbaz', 'no' from t1 A, t1 B;
insert into t2 values ('fon', '1'), ('fop','1'), ('barbaq','1'),
('barbas','1'), ('bazbazbay', '1'),('zz','1');
explain select * from t2 where a not in('foo','barbar', 'bazbazbaz');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 13 NULL 7 Using where
drop table t2;
create table t2 (a decimal(10,5), filler char(200), key(a));
insert into t2 select 345.67890, 'no' from t1 A, t1 B;
insert into t2 select 43245.34, 'no' from t1 A, t1 B;
insert into t2 select 64224.56344, 'no' from t1 A, t1 B;
insert into t2 values (0, '1'), (22334.123,'1'), (33333,'1'),
(55555,'1'), (77777, '1');
explain
select * from t2 where a not in (345.67890, 43245.34, 64224.56344);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 7 NULL 7 Using where
select * from t2 where a not in (345.67890, 43245.34, 64224.56344);
a filler
0.00000 1
22334.12300 1
33333.00000 1
55555.00000 1
77777.00000 1
drop table t2;
create table t2 (a int, key(a), b int);
insert into t2 values (1,1),(2,2);
set @cnt= 1;
set @str="update t2 set b=1 where a not in (";
select count(*) from (
select @str:=concat(@str, @cnt:=@cnt+1, ",")
from t1 A, t1 B, t1 C, t1 D) Z;
count(*)
10000
set @str:=concat(@str, "10000)");
select substr(@str, 1, 50);
substr(@str, 1, 50)
update t2 set b=1 where a not in (2,3,4,5,6,7,8,9,
prepare s from @str;
execute s;
deallocate prepare s;
set @str=NULL;
drop table t2;
drop table t1;
create table t1 (
some_id smallint(5) unsigned,
key (some_id)
);
insert into t1 values (1),(2);
select some_id from t1 where some_id not in(2,-1);
some_id
1
select some_id from t1 where some_id not in(-4,-1,-4);
some_id
1
2
select some_id from t1 where some_id not in(-4,-1,3423534,2342342);
some_id
1
2
drop table t1;
End of 5.0 tests
|
