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#
# Test of like
#

--disable_warnings
drop table if exists t1;
--enable_warnings

create table t1 (a varchar(10), key(a));
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
explain extended select * from t1 where a like 'abc%';
explain extended select * from t1 where a like concat('abc','%');
select * from t1 where a like "abc%";
select * from t1 where a like concat("abc","%");
select * from t1 where a like "ABC%";
select * from t1 where a like "test%";
select * from t1 where a like "te_t";

#
# The following will test the Turbo Boyer-Moore code
#
select * from t1 where a like "%a%";
select * from t1 where a like "%abcd%";
select * from t1 where a like "%abc\d%";

drop table t1;

create table t1 (a varchar(10), key(a));

#
# Bug #2231
#
insert into t1 values ('a'), ('a\\b');
select * from t1 where a like 'a\\%' escape '#';
select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';

#
# Bug #4200: Prepared statement parameter as argument to ESCAPE
#
prepare stmt1 from 'select * from t1 where a like \'a\\%\' escape ?';
set @esc='#';
execute stmt1 using @esc;  
deallocate prepare stmt1;

drop table t1;

#
# Bug #2885: like and datetime
#

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';
drop table t1;

#
# Test like with non-default character set
#

SET NAMES koi8r;

CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET koi8r);

INSERT INTO t1 VALUES ('ÆÙ×Á'),('æÙ×Á'),('Æù×Á'),('ÆÙ÷Á'),('ÆÙ×á'),('æù÷á');
INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏÌÄÖ'),('æÙ×ÁÐÒÏÌÄÖ'),('Æù×ÁÐÒÏÌÄÖ'),('ÆÙ÷ÁÐÒÏÌÄÖ');
INSERT INTO t1 VALUES ('ÆÙ×áÐÒÏÌÄÖ'),('ÆÙ×ÁðÒÏÌÄÖ'),('ÆÙ×ÁÐòÏÌÄÖ'),('ÆÙ×ÁÐÒïÌÄÖ');
INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏìÄÖ'),('ÆÙ×ÁÐÒÏÌäÖ'),('ÆÙ×ÁÐÒÏÌÄö'),('æù÷áðòïìäö');

SELECT * FROM t1 WHERE a LIKE '%Æù×Á%';
SELECT * FROM t1 WHERE a LIKE '%Æù×%';
SELECT * FROM t1 WHERE a LIKE 'Æù×Á%';

DROP TABLE t1;

# Bug #2547 Strange "like" behaviour in tables with default charset=cp1250
# Test like with non-default character set using TurboBM
#
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%';
select * from t1 where a like '%PESA %';
select * from t1 where a like '%PES%';
select * from t1 where a like '%PESKA%';
select * from t1 where a like '%ESKA%';
DROP TABLE t1;

#
# LIKE crashed for binary collations in some cases
#
select _cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin;

#
# Check 8bit escape character
#
set names koi8r;
select 'andre%' like 'andreÊ%' escape 'Ê';

# Check 8bit escape character with charset conversion:
# For "a LIKE b ESCAPE c" expressions,
# escape character is converted into the operation character set,
# which is result of aggregation  of character sets of "a" and "b".
# "c" itself doesn't take part in aggregation, because its collation
# doesn't matter, escape character is always compared binary.
# In the example below, escape character is converted from koi8r into cp1251:
#
select _cp1251'andre%' like convert('andreÊ%' using cp1251)  escape 'Ê';


--echo End of 4.1 tests


--echo #
--echo # Bug #54575: crash when joining tables with unique set column
--echo #
CREATE TABLE t1(a SET('a') NOT NULL, UNIQUE KEY(a));
CREATE TABLE t2(b INT PRIMARY KEY);
INSERT IGNORE INTO t1 VALUES ();
INSERT INTO t2 VALUES (1), (2), (3);
SELECT 1 FROM t2 JOIN t1 ON 1 LIKE a GROUP BY a;
DROP TABLE t1, t2;

--echo #
--echo # Bug#59149 valgrind warnings with "like .. escape .." function
--echo #
--error ER_WRONG_ARGUMENTS
SELECT '' LIKE '1' ESCAPE COUNT(1);

--echo End of 5.1 tests

--echo #
--echo # Start of 10.0 tests
--echo #

--echo #
--echo # MDEV-5445 Server crashes in Item_func_like::fix_fields on LIKE ExtractValue(..)
--echo #
SELECT 'a' LIKE REPEAT('',0);
SELECT 'a' LIKE EXTRACTVALUE('bar','qux');

--echo #
--echo # End of 10.0 tests
--echo #

--echo #
--echo # Start of 10.1 tests
--echo #

--echo #
--echo # MDEV-8257 Erroneous "Impossible where" when mixing decimal comparison and LIKE
--echo #
CREATE TABLE t1 (a DECIMAL(8,2));
INSERT INTO t1 VALUES (10),(20);
SELECT * FROM t1 WHERE a=10.0;
SELECT * FROM t1 WHERE a LIKE 10.00;
SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10.0 AND a LIKE 10.00;
DROP TABLE t1;

--echo #
--echo # MDEV-8599 "WHERE varchar_field LIKE temporal_const" does not use range optimizer
--echo #
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';
EXPLAIN SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
SELECT * FROM t1 WHERE a LIKE '00:00:00';
SELECT * FROM t1 WHERE a LIKE TIME'00:00:00';
DROP TABLE t1;


--echo #
--echo # End of 10.1 tests
--echo #

#
# Item_func_line::print()
#
create view v1 as select 'foo!' like 'foo!!', 'foo!' like 'foo!!' escape '!';
show create view v1;
select * from v1;
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 '\\'));
show create table t1;
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;
drop table t1;