Quelle func_like.result Sprache: Lisp

drop table if exists t1;
create table t1 (a varchar(10), key(a)) charset=latin1;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
explain extended select * from t1 where a like 'abc%';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range a a 13 NULL 2 100.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` like 'abc%'
explain extended select * from t1 where a like concat('abc','%');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range a a 13 NULL 2 100.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` like <cache>(concat('abc','%'))
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
create table t1 (a varchar(10), key(a));
insert into t1 values ('a'), ('a\\b');
select * from t1 where a like 'a\\%' escape '#';
a
a\b
select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
a
a\b
prepare stmt1 from 'select * from t1 where a like \'a\\%\' escape ?';
set @esc='#';
execute stmt1 using @esc;
a
a\b
deallocate prepare stmt1;
drop table t1;
create table t1 (a datetime);
insert into t1 values ('2004-03-11 12:00:21');
select * from t1 where a like '2004-03-11 12:00:21';
a
2004-03-11 12:00:21
drop table t1;
SET NAMES koi8r;
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET koi8r);
INSERT INTO t1 VALUES ('��'),('��'),('��'),('��'),('��'),('��');
INSERT INTO t1 VALUES ('��'),('��'),('��'),('��');
INSERT INTO t1 VALUES ('��'),('��'),('��'),('��');
INSERT INTO t1 VALUES ('��'),('��'),('��'),('��');
SELECT * FROM t1 WHERE a LIKE '%��%';
a
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
SELECT * FROM t1 WHERE a LIKE '%��%';
a
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
SELECT * FROM t1 WHERE a LIKE '��%';
a
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
��
DROP TABLE t1;
SET NAMES cp1250;
CREATE TABLE t1 (a varchar(250) NOT NULL) DEFAULT CHARACTER SET=cp1250;
INSERT INTO t1 VALUES
('Techni Tapes Sp. z o.o.'),
('Pojazdy Szynowe PESA Bydgoszcz SA Holding'),
('AKAPESTER 1 P.P.H.U.'),
('Pojazdy Szynowe PESA Bydgoszcz S A Holding'),
('PPUH PESKA-I Maria Struniarska');
select * from t1 where a like '%PESA%';
a
Pojazdy Szynowe PESA Bydgoszcz SA Holding
Pojazdy Szynowe PESA Bydgoszcz S A Holding
select * from t1 where a like '%PESA %';
a
Pojazdy Szynowe PESA Bydgoszcz SA Holding
Pojazdy Szynowe PESA Bydgoszcz S A Holding
select * from t1 where a like '%PES%';
a
Techni Tapes Sp. z o.o.
Pojazdy Szynowe PESA Bydgoszcz SA Holding
AKAPESTER 1 P.P.H.U.
Pojazdy Szynowe PESA Bydgoszcz S A Holding
PPUH PESKA-I Maria Struniarska
select * from t1 where a like '%PESKA%';
a
PPUH PESKA-I Maria Struniarska
select * from t1 where a like '%ESKA%';
a
PPUH PESKA-I Maria Struniarska
DROP TABLE t1;
select _cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin;
_cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin
1
set names koi8r;
select 'andre%' like 'andre�%' escape '�';
'andre%' like 'andre�%' escape '�'
1
select _cp1251'andre%' like convert('andre�%' using cp1251)  escape '�';
_cp1251'andre%' like convert('andre�%' using cp1251)  escape '�'
1
End of 4.1 tests
#
# Bug #54575: crash when joining tables with unique set column
#
CREATE TABLE t1(a SET('a') NOT NULL, UNIQUE KEY(a));
CREATE TABLE t2(b INT PRIMARY KEY);
INSERT IGNORE INTO t1 VALUES ();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
INSERT INTO t2 VALUES (1), (2), (3);
SELECT 1 FROM t2 JOIN t1 ON 1 LIKE a GROUP BY a;
1
DROP TABLE t1, t2;
#
# Bug#59149 valgrind warnings with "like .. escape .." function
#
SELECT '' LIKE '1' ESCAPE COUNT(1);
ERROR HY000: Incorrect arguments to ESCAPE
End of 5.1 tests
#
# Start of 10.0 tests
#
#
# MDEV-5445 Server crashes in Item_func_like::fix_fields on LIKE ExtractValue(..)
#
SELECT 'a' LIKE REPEAT('',0);
'a' LIKE REPEAT('',0)
0
SELECT 'a' LIKE EXTRACTVALUE('bar','qux');
'a' LIKE EXTRACTVALUE('bar','qux')
0
#
# End of 10.0 tests
#
#
# Start of 10.1 tests
#
#
# MDEV-8257 Erroneous "Impossible where" when mixing decimal comparison and LIKE
#
CREATE TABLE t1 (a DECIMAL(8,2));
INSERT INTO t1 VALUES (10),(20);
SELECT * FROM t1 WHERE a=10.0;
a
10.00
SELECT * FROM t1 WHERE a LIKE 10.00;
a
10.00
SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
a
10.00
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 10.0 and `test`.`t1`.`a` like 10.00
DROP TABLE t1;
#
# MDEV-8599 "WHERE varchar_field LIKE temporal_const" does not use range optimizer
#
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1, KEY(a)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('00:00:00');
INSERT INTO t1 VALUES ('00:00:01');
INSERT INTO t1 VALUES ('00:00:02');
INSERT INTO t1 VALUES ('00:00:03');
INSERT INTO t1 VALUES ('00:00:04');
INSERT INTO t1 VALUES ('00:00:05');
INSERT INTO t1 VALUES ('00:00:06');
INSERT INTO t1 VALUES ('00:00:07');
EXPLAIN SELECT * FROM t1 WHERE a LIKE '00:00:00';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 13 NULL 1 Using where; Using index
EXPLAIN SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 13 NULL 1 Using where; Using index
SELECT * FROM t1 WHERE a LIKE '00:00:00';
a
00:00:00
SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
a
00:00:00
DROP TABLE t1;
#
# End of 10.1 tests
#
create view v1 as select 'foo!' like 'foo!!', 'foo!' like 'foo!!' escape '!';
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 'foo!' like 'foo!!' AS `'foo!' like 'foo!!'`,'foo!' like 'foo!!' escape '!' AS `'foo!' like 'foo!!' escape '!'` koi8r koi8r_general_ci
select * from v1;
'foo!' like 'foo!!' 'foo!' like 'foo!!' escape '!'
0 1
drop view v1;
create table t1 (a varchar(100),
b int default (a like '%f\\_'),
c int default (a like '%f\\_' escape ''),
d int default (a like '%f\\_' escape '\\')) charset=latin1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `a` varchar(100) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` like '%f\\_'),
  `c` int(11) DEFAULT (`a` like '%f\\_' escape ''),
  `d` int(11) DEFAULT (`a` like '%f\\_' escape '\\')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert t1 (a) values ('1 f_'), ('1 f\\_');
set sql_mode=no_backslash_escapes;
insert t1 (a) values ('2 f_'), ('2 f\_');
flush tables;
insert t1 (a) values ('3 f_'), ('3 f\_');
set sql_mode=default;
select * from t1;
a b c d
1 f_ 1 0 1
1 f\_ 0 1 0
2 f_ 1 0 1
2 f\_ 0 1 0
3 f_ 1 0 1
3 f\_ 0 1 0
drop table t1;
create table t1 (f int);
insert t1 values (1),(2);
select 1 from (select distinct * from t1) as x where f < (select 1 like 2 escape (3=1));
1
drop table t1;
create table t1(f1 int);
insert into t1 values(1);
update (select 1 like 2 escape (1 in (select 1 from t1))) x, t1 as d set d.f1 = 1;
ERROR HY000: Incorrect arguments to ESCAPE
select * from (select 1 like 2 escape (1 in (select 1 from t1))) x;
1 like 2 escape (1 in (select 1 from t1))
0
drop table t1;
create table t1 (f int);
insert t1 values (1),(2);
create view v1 as select * from t1 where (1 like 2 escape (3 in (('h', 'b') in (select 'k', 'k' union select 'g', 'j'))) and f >= 0);
drop view v1;
drop table t1;
#
# MDEV-17359 - Extend expression supported by like (| & << >> || + - * / DIV MOD ^ )
#
SELECT 1 LIKE +1;
1 LIKE +1
1
SELECT -1 LIKE -1;
-1 LIKE -1
1
SELECT 1 LIKE (1);
1 LIKE (1)
1
SELECT 1 LIKE 1|2, 3 LIKE 1|2;
1 LIKE 1|2 3 LIKE 1|2
0 1
SELECT 1 LIKE 3&2, 2 LIKE 3&2;
1 LIKE 3&2 2 LIKE 3&2
0 1
SELECT 1 LIKE 1>>0, 1 LIKE 1>>1 , 64 LIKE 256>>2;
1 LIKE 1>>0 1 LIKE 1>>1 64 LIKE 256>>2
1 0 1
SELECT 1 LIKE 1<<0, 1 LIKE 0<<2, 32 LIKE 1<<5;
1 LIKE 1<<0 1 LIKE 0<<2 32 LIKE 1<<5
1 0 1
SELECT 1 LIKE 1||2, 1 LIKE 0||2;
1 LIKE 1||2 1 LIKE 0||2
1 1
SELECT 2 LIKE 1+1, 2.0 LIKE 1+1.0, 2 LIKE 1+1.0, 1+1 LIKE 2, 1+1 LIKE 0+2;
2 LIKE 1+1 2.0 LIKE 1+1.0 2 LIKE 1+1.0 1+1 LIKE 2 1+1 LIKE 0+2
1 1 0 1 1
SELECT 0 LIKE 1-1, 2.0 LIKE 3-1.0, 2 LIKE 3-1.0, 2-1 LIKE 1, 3-1 LIKE 4-1;
0 LIKE 1-1 2.0 LIKE 3-1.0 2 LIKE 3-1.0 2-1 LIKE 1 3-1 LIKE 4-1
1 1 0 1 0
SELECT 1 LIKE 1*1, 2.0 LIKE 2*1.0, 2 LIKE 2*1.0, 2*1 LIKE 2, 2*3 LIKE 6*1;
1 LIKE 1*1 2.0 LIKE 2*1.0 2 LIKE 2*1.0 2*1 LIKE 2 2*3 LIKE 6*1
1 1 0 1 1
SELECT 1 LIKE 1/1, 1.0000 LIKE 1/1, 1.0000 LIKE 1/1.000000, 1.000000 LIKE 1.0/1.000000, 1/1 like 1/1;
1 LIKE 1/1 1.0000 LIKE 1/1 1.0000 LIKE 1/1.000000 1.000000 LIKE 1.0/1.000000 1/1 like 1/1
0 1 1 0 1
SELECT 1 LIKE 1 DIV 1, 1 LIKE 1.0 DIV 1.0 ;
1 LIKE 1 DIV 1 1 LIKE 1.0 DIV 1.0
1 1
SELECT 2 LIKE 10 MOD 8, 1.9 LIKE 10 MOD 8.1, 1.9 LIKE 10 MOD 8.10 ;
2 LIKE 10 MOD 8 1.9 LIKE 10 MOD 8.1 1.9 LIKE 10 MOD 8.10
1 1 0
SELECT 1 LIKE CAST(1 AS CHAR(10));
1 LIKE CAST(1 AS CHAR(10))
1
SELECT 1 LIKE CASE WHEN 1=1 THEN '1' ELSE '0' END;
1 LIKE CASE WHEN 1=1 THEN '1' ELSE '0' END
1
SELECT 1 LIKE COALESCE(1+0, 1);
1 LIKE COALESCE(1+0, 1)
1
CREATE TABLE t1(c1 INTEGER, c2 INTEGER);
INSERT INTO t1 VALUES(1,1);
INSERT INTO t1 VALUES(1,2);
SELECT c1, c2, c1|c2, 1 LIKE c1|c2 FROM t1 ORDER BY c2;
c1 c2 c1|c2 1 LIKE c1|c2
1 1 1 1
1 2 3 0
SELECT c1, c2, c1&c2, 1 LIKE c1&c2 FROM t1 ORDER BY c2;
c1 c2 c1&c2 1 LIKE c1&c2
1 1 1 1
1 2 0 0
SELECT c1, c2, c2>>c1, 1 LIKE c2>>c1 FROM t1 ORDER BY c2;
c1 c2 c2>>c1 1 LIKE c2>>c1
1 1 0 0
1 2 1 1
SELECT c1, c2, c2<<c1, 2 LIKE c2<<c1 FROM t1 ORDER BY c2;
c1 c2 c2<<c1 2 LIKE c2<<c1
1 1 2 1
1 2 4 0
SELECT c1, c2, c1||c2, 1 LIKE c1||c2 FROM t1 ORDER BY c2;
c1 c2 c1||c2 1 LIKE c1||c2
1 1 1 1
1 2 1 1
SELECT c1, c2, c1+c2, 2 LIKE c1+c2 FROM t1 ORDER BY c2;
c1 c2 c1+c2 2 LIKE c1+c2
1 1 2 1
1 2 3 0
SELECT c1, c2, c1-c2, -1 LIKE c1-c2 FROM t1 ORDER BY c2;
c1 c2 c1-c2 -1 LIKE c1-c2
1 1 0 0
1 2 -1 1
SELECT c1, c2, c1*c2, 2 LIKE c1*c2 FROM t1 ORDER BY c2;
c1 c2 c1*c2 2 LIKE c1*c2
1 1 1 0
1 2 2 1
SELECT c1, c2, c1/c2, 0.5000 LIKE c1/c2 FROM t1 ORDER BY c2;
c1 c2 c1/c2 0.5000 LIKE c1/c2
1 1 1.0000 0
1 2 0.5000 1
SELECT c1, c2, c1 DIV c2, 0 LIKE c1 DIV c2 FROM t1 ORDER BY c2;
c1 c2 c1 DIV c2 0 LIKE c1 DIV c2
1 1 1 0
1 2 0 1
SELECT c1, c2, c1 MOD c2, 0 LIKE c1 MOD c2 FROM t1 ORDER BY c2;
c1 c2 c1 MOD c2 0 LIKE c1 MOD c2
1 1 0 1
1 2 1 0
CREATE VIEW v1 AS
SELECT 1 LIKE c1|c2, 1 LIKE c1&c2, 1 LIKE c2>>c1, 2 LIKE c2<<c1,
1 LIKE c1||c2, 2 LIKE c1+c2, -1 LIKE c1-c2, 2 LIKE c1*c2,
0.5000 LIKE c1/c2, 0 LIKE c1 DIV c2, 0 LIKE c1 MOD c2
FROM t1 ORDER BY c2;
SELECT * FROM v1;
1 LIKE c1|c2 1 LIKE c1&c2 1 LIKE c2>>c1 2 LIKE c2<<c1 1 LIKE c1||c2 2 LIKE c1+c2 -1 LIKE c1-c2 2 LIKE c1*c2 0.5000 LIKE c1/c2 0 LIKE c1 DIV c2 0 LIKE c1 MOD c2
1 1 0 1 1 1 0 0 0 0 1
0 0 1 0 1 0 1 1 1 1 0
EXPLAIN EXTENDED SELECT * FROM v1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using filesort
Warnings:
Note 1003 select 1 like `test`.`t1`.`c1` | `test`.`t1`.`c2` AS `1 LIKE c1|c2`,1 like `test`.`t1`.`c1` & `test`.`t1`.`c2` AS `1 LIKE c1&c2`,1 like `test`.`t1`.`c2` >> `test`.`t1`.`c1` AS `1 LIKE c2>>c1`,2 like `test`.`t1`.`c2` << `test`.`t1`.`c1` AS `2 LIKE c2<<c1`,1 like `test`.`t1`.`c1` or `test`.`t1`.`c2` <> 0 AS `1 LIKE c1||c2`,2 like `test`.`t1`.`c1` + `test`.`t1`.`c2` AS `2 LIKE c1+c2`,-1 like `test`.`t1`.`c1` - `test`.`t1`.`c2` AS `-1 LIKE c1-c2`,2 like `test`.`t1`.`c1` * `test`.`t1`.`c2` AS `2 LIKE c1*c2`,0.5000 like `test`.`t1`.`c1` / `test`.`t1`.`c2` AS `0.5000 LIKE c1/c2`,0 like `test`.`t1`.`c1` DIV `test`.`t1`.`c2` AS `0 LIKE c1 DIV c2`,0 like `test`.`t1`.`c1` MOD `test`.`t1`.`c2` AS `0 LIKE c1 MOD c2` from `test`.`t1` order by `test`.`t1`.`c2`
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-36211 Incorrect query result for binary_column NOT LIKE binary_column
#
CREATE TABLE t1 (c1 BLOB NOT NULL);
INSERT INTO t1 (c1) VALUES (1);
SELECT c1 FROM t1 WHERE c1 NOT LIKE c1;
c1
SELECT c1 FROM t1 WHERE c1 LIKE c1;
c1
1
DROP TABLE t1;
CREATE TABLE t1 (c1 BLOB);
INSERT INTO t1 (c1) VALUES (1);
SELECT c1 FROM t1 WHERE c1 NOT LIKE c1;
c1
SELECT c1 FROM t1 WHERE c1 LIKE c1;
c1
1
DROP TABLE t1;

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet am 2026-10-08) ¤

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