path: root/mysql-test/r/fulltext.result

drop table if exists t1,t2,t3;
CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
('Full-text indexes', 'are called collections'),
('Only MyISAM tables','support collections'),
('Function MATCH ... AGAINST()','is used to do a search'),
('Full-text search in MySQL', 'implements vector space model');
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
t1	1	a	1	a	NULL	NULL	NULL	NULL	YES	FULLTEXT	
t1	1	a	2	b	NULL	NULL	NULL	NULL	YES	FULLTEXT	
select * from t1 where MATCH(a,b) AGAINST ("collections");
a	b
Only MyISAM tables	support collections
Full-text indexes	are called collections
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (match `test`.`t1`.`a`,`test`.`t1`.`b` against (_latin1'collections'))
select * from t1 where MATCH(a,b) AGAINST ("indexes");
a	b
Full-text indexes	are called collections
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
a	b
Full-text indexes	are called collections
Only MyISAM tables	support collections
select * from t1 where MATCH(a,b) AGAINST ("only");
a	b
select * from t1 where MATCH(a,b) AGAINST ("collections" WITH QUERY EXPANSION);
a	b
Only MyISAM tables	support collections
Full-text indexes	are called collections
MySQL has now support	for full-text search
select * from t1 where MATCH(a,b) AGAINST ("indexes" WITH QUERY EXPANSION);
a	b
Full-text indexes	are called collections
Only MyISAM tables	support collections
select * from t1 where MATCH(a,b) AGAINST ("indexes collections" WITH QUERY EXPANSION);
a	b
Full-text indexes	are called collections
Only MyISAM tables	support collections
MySQL has now support	for full-text search
explain select * from t1 where MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>=0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	Using where
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where 0<MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where 1<MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where 0<=MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	Using where
explain select * from t1 where 1<=MATCH(a,b) AGAINST ("collections");
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0 and a like '%ll%';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (match `test`.`t1`.`a`,`test`.`t1`.`b` against (_latin1'support -collections' in boolean mode))
select * from t1 where MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Full-text indexes	are called collections
Only MyISAM tables	support collections
select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
a	b
Full-text indexes	are called collections
Only MyISAM tables	support collections
select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Function MATCH ... AGAINST()	is used to do a search
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MODE);
a	b
Only MyISAM tables	support collections
select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Function MATCH ... AGAINST()	is used to do a search
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
a	b
Function MATCH ... AGAINST()	is used to do a search
select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1;
a	b	x
MySQL has now support	for full-text search	1
Full-text indexes	are called collections	1
Only MyISAM tables	support collections	2
Function MATCH ... AGAINST()	is used to do a search	0
Full-text search in MySQL	implements vector space model	0
select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;
a	b	x
MySQL has now support	for full-text search	1
Full-text indexes	are called collections	1
Only MyISAM tables	support collections	2
Function MATCH ... AGAINST()	is used to do a search	0
Full-text search in MySQL	implements vector space model	0
select * from t1 where MATCH a,b AGAINST ("+call* +coll*" IN BOOLEAN MODE);
a	b
Full-text indexes	are called collections
select * from t1 where MATCH a,b AGAINST ('"support now"' IN BOOLEAN MODE);
a	b
select * from t1 where MATCH a,b AGAINST ('"Now sUPPort"' IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
select * from t1 where MATCH a,b AGAINST ('"now   support"' IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
select * from t1 where MATCH a,b AGAINST ('"text search"  "now support"' IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOLEAN MODE);
a	b
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
select * from t1 where MATCH a,b AGAINST ('"text i"' IN BOOLEAN MODE);
a	b
select * from t1 where MATCH a,b AGAINST ('"xt indexes"' IN BOOLEAN MODE);
a	b
select * from t1 where MATCH a,b AGAINST ('+(support collections) +foobar*' IN BOOLEAN MODE);
a	b
select * from t1 where MATCH a,b AGAINST ('+(+(support collections)) +foobar*' IN BOOLEAN MODE);
a	b
select * from t1 where MATCH a,b AGAINST ('+collections -supp* -foobar*' IN BOOLEAN MODE);
a	b
Full-text indexes	are called collections
select * from t1 where MATCH a,b AGAINST('"space model' IN BOOLEAN MODE);
a	b
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
a	b
Full-text search in MySQL	implements vector space model
select * from t1 where MATCH b AGAINST ("sear*" IN BOOLEAN MODE);
a	b
MySQL has now support	for full-text search
Function MATCH ... AGAINST()	is used to do a search
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
a	b
Only MyISAM tables	support collections
Full-text indexes	are called collections
Full-text indexes	are called collections
delete from t1 where a like "MySQL%";
update t1 set a='some test foobar' where MATCH a,b AGAINST ('model');
delete from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1;
a	b
Only MyISAM tables	support collections
Function MATCH ... AGAINST()	is used to do a search
some test foobar	implements vector space model
drop table t1;
create table t1 (a varchar(200) not null, fulltext (a));
insert t1 values ("aaa10 bbb20"), ("aaa20 bbb15"), ("aaa30 bbb10");
select * from t1 where match a against ("+aaa* +bbb*" in boolean mode);
a
aaa10 bbb20
aaa20 bbb15
aaa30 bbb10
select * from t1 where match a against ("+aaa* +bbb1*" in boolean mode);
a
aaa20 bbb15
aaa30 bbb10
select * from t1 where match a against ("+aaa* +ccc*" in boolean mode);
a
select * from t1 where match a against ("+aaa10 +(bbb*)" in boolean mode);
a
aaa10 bbb20
select * from t1 where match a against ("+(+aaa* +bbb1*)" in boolean mode);
a
aaa20 bbb15
aaa30 bbb10
select * from t1 where match a against ("(+aaa* +bbb1*)" in boolean mode);
a
aaa20 bbb15
aaa30 bbb10
drop table t1;
CREATE TABLE t1 (
id int(11),
ticket int(11),
KEY ti (id),
KEY tit (ticket)
);
INSERT INTO t1 VALUES (2,3),(1,2);
CREATE TABLE t2 (
ticket int(11),
inhalt text,
KEY tig (ticket),
fulltext index tix (inhalt)
);
INSERT INTO t2 VALUES (1,'foo'),(2,'bar'),(3,'foobar');
select t1.id FROM t2 as ttxt,t1,t1 as ticket2
WHERE ticket2.id = ttxt.ticket AND t1.id = ticket2.ticket and
match(ttxt.inhalt) against ('foobar');
id
select ticket2.id FROM t2 as ttxt,t2 INNER JOIN t1 as ticket2 ON
ticket2.id = t2.ticket
WHERE ticket2.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
id
INSERT INTO t1 VALUES (3,3);
select ticket2.id FROM t2 as ttxt,t2
INNER JOIN t1 as ticket2 ON ticket2.id = t2.ticket
WHERE ticket2.id = ticket2.ticket and
match(ttxt.inhalt) against ('foobar');
id
3
show keys from t2;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
t2	1	tig	1	ticket	A	NULL	NULL	NULL	YES	BTREE	
t2	1	tix	1	inhalt	NULL	NULL	NULL	NULL	YES	FULLTEXT	
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `ticket` int(11) default NULL,
  `inhalt` text,
  KEY `tig` (`ticket`),
  FULLTEXT KEY `tix` (`inhalt`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from t2 where MATCH inhalt AGAINST (NULL);
ticket	inhalt
select * from t2 where  MATCH inhalt AGAINST ('foobar');
ticket	inhalt
3	foobar
select * from t2 having MATCH inhalt AGAINST ('foobar');
ticket	inhalt
3	foobar
CREATE TABLE t3 (t int(11),i text,fulltext tix (t,i));
ERROR HY000: Column 't' cannot be part of FULLTEXT index
CREATE TABLE t3 (t int(11),i text,
j varchar(200) CHARACTER SET latin2,
fulltext tix (i,j));
ERROR HY000: Column 'j' cannot be part of FULLTEXT index
CREATE TABLE t3 (
ticket int(11),
inhalt text,
KEY tig (ticket),
fulltext index tix (inhalt)
);
select * from t2 where MATCH inhalt AGAINST (t2.inhalt);
ERROR HY000: Incorrect arguments to AGAINST
select * from t2 where MATCH ticket AGAINST ('foobar');
ERROR HY000: Can't find FULLTEXT index matching the column list
select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');
ERROR HY000: Incorrect arguments to MATCH
drop table t1,t2,t3;
CREATE TABLE t1 (
id int(11)  auto_increment,
title varchar(100)  default '',
PRIMARY KEY  (id),
KEY ind5 (title)
) ENGINE=MyISAM;
CREATE FULLTEXT INDEX ft1 ON t1(title);
insert into t1 (title) values ('this is a test');
select * from t1 where match title against ('test' in boolean mode);
id	title
1	this is a test
update t1 set title='this is A test' where id=1;
check table t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
update t1 set title='this test once revealed a bug' where id=1;
select * from t1;
id	title
1	this test once revealed a bug
update t1 set title=NULL where id=1;
drop table t1;
CREATE TABLE t1 (a int(11), b text, FULLTEXT KEY (b)) ENGINE=MyISAM;
insert into t1 values (1,"I wonder why the fulltext index doesnt work?");
SELECT * from t1 where MATCH (b) AGAINST ('apples');
a	b
insert into t1 values (2,"fullaaa fullzzz");
select * from t1 where match b against ('full*' in boolean mode);
a	b
2	fullaaa fullzzz
1	I wonder why the fulltext index doesnt work?
drop table t1;
CREATE TABLE t1 ( id int(11) NOT NULL auto_increment primary key, mytext text NOT NULL, FULLTEXT KEY mytext (mytext)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'my small mouse'),(2,'la-la-la'),(3,'It is so funny'),(4,'MySQL Tutorial');
select 8 from t1;
8
8
8
8
8
drop table t1;
create table t1 (a text, fulltext key (a));
insert into t1 values ('aaaa');
repair table t1;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
select * from t1 where match (a) against ('aaaa');
a
drop table t1;
create table t1 ( ref_mag text not null, fulltext (ref_mag));
insert into t1 values ('test');
select ref_mag from t1 where match ref_mag against ('+test' in boolean mode);
ref_mag
test
alter table t1 change ref_mag ref_mag char (255) not null;
select ref_mag from t1 where match ref_mag against ('+test' in boolean mode);
ref_mag
test
drop table t1;
create table t1 (t1_id int(11) primary key, name varchar(32));
insert into t1 values (1, 'data1');
insert into t1 values (2, 'data2');
create table t2 (t2_id int(11) primary key, t1_id int(11), name varchar(32));
insert into t2 values (1, 1, 'xxfoo');
insert into t2 values (2, 1, 'xxbar');
insert into t2 values (3, 1, 'xxbuz');
select * from t1 join t2 using(`t1_id`) where match (t1.name, t2.name) against('xxfoo' in boolean mode);
t1_id	name	t2_id	name
1	data1	1	xxfoo
select * from t2 where match name against ('*a*b*c*d*e*f*' in boolean mode);
t2_id	t1_id	name
drop table t1,t2;
create table t1 (a text, fulltext key (a));
insert into t1 select "xxxx yyyy zzzz";
drop table t1;
SET NAMES latin1;
CREATE TABLE t1 (t text character set utf8 not null, fulltext(t));
INSERT t1 VALUES ('Mit freundlichem Grüß'), ('aus Osnabrück');
SET NAMES koi8r;
INSERT t1 VALUES ("üÔÏ ÍÙ - ÏÐÉÌËÉ"),("ïÔÌÅÚØ, ÇÎÉÄÁ!"),
("îÅ ×ÌÅÚÁÊ, ÕÂØÅÔ!"),("É ÂÕÄÅÔ ÐÒÁ×!");
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('ïðéìëé');
t	collation(t)
üÔÏ ÍÙ - ÏÐÉÌËÉ	utf8_general_ci
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('ðÒá*' IN BOOLEAN MODE);
t	collation(t)
É ÂÕÄÅÔ ÐÒÁ×!	utf8_general_ci
SELECT * FROM t1 WHERE MATCH t AGAINST ('ÜÔÏ' IN BOOLEAN MODE);
t
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('Osnabrück');
t	collation(t)
SET NAMES latin1;
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('Osnabrück');
t	collation(t)
aus Osnabrück	utf8_general_ci
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('Osnabrueck');
t	collation(t)
SELECT t, collation(t),FORMAT(MATCH t AGAINST ('Osnabruck'),6) FROM t1 WHERE MATCH t AGAINST ('Osnabruck');
t	collation(t)	FORMAT(MATCH t AGAINST ('Osnabruck'),6)
aus Osnabrück	utf8_general_ci	1.591140
alter table t1 modify t varchar(200) collate latin1_german2_ci not null;
Warnings:
Warning	1366	Incorrect string value: '\xD0\xAD\xD1\x82\xD0\xBE...' for column 't' at row 3
Warning	1366	Incorrect string value: '\xD0\x9E\xD1\x82\xD0\xBB...' for column 't' at row 4
Warning	1366	Incorrect string value: '\xD0\x9D\xD0\xB5 \xD0...' for column 't' at row 5
Warning	1366	Incorrect string value: '\xD0\xB8 \xD0\xB1\xD1...' for column 't' at row 6
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('Osnabrück');
t	collation(t)
aus Osnabrück	latin1_german2_ci
SELECT t, collation(t) FROM t1 WHERE MATCH t AGAINST ('Osnabrueck');
t	collation(t)
aus Osnabrück	latin1_german2_ci
DROP TABLE t1;
CREATE TABLE t1 (s varchar(255), FULLTEXT (s)) DEFAULT CHARSET=utf8;
insert into t1 (s) values ('pära para para'),('para para para');
select * from t1 where match(s) against('para' in boolean mode);
s
pära para para
para para para
select * from t1 where match(s) against('par*' in boolean mode);
s
pära para para
para para para
DROP TABLE t1;
CREATE TABLE t1 (h text, FULLTEXT (h));
INSERT INTO t1 VALUES ('Jesses Hasse Ling and his syncopators of Swing');
REPAIR TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
select count(*) from t1;
count(*)
1
drop table t1;
CREATE TABLE t1 ( a TEXT, FULLTEXT (a) );
INSERT INTO t1 VALUES ('testing ft_nlq_find_relevance');
SELECT MATCH(a) AGAINST ('nosuchword') FROM t1;
MATCH(a) AGAINST ('nosuchword')
0
DROP TABLE t1;
create table t1 (a int primary key, b text, fulltext(b));
create table t2 (a int, b text);
insert t1 values (1, "aaaa"), (2, "bbbb");
insert t2 values (10, "aaaa"), (2, "cccc");
replace t1 select * from t2;
drop table t1, t2;
CREATE TABLE t1 (t VARCHAR(200) CHARACTER SET utf8 COLLATE utf8_unicode_ci, FULLTEXT (t));
SET NAMES latin1;
INSERT INTO t1 VALUES('Mit freundlichem Grüß aus Osnabrück');
SELECT COUNT(*) FROM t1 WHERE MATCH(t) AGAINST ('"osnabrück"' IN BOOLEAN MODE);
COUNT(*)
1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), FULLTEXT(a));
INSERT INTO t1 VALUES('bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
SET myisam_repair_threads=2;
REPAIR TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
SET myisam_repair_threads=@@global.myisam_repair_threads;
INSERT INTO t1 VALUES('testword\'\'');
SELECT a FROM t1 WHERE MATCH a AGAINST('testword' IN BOOLEAN MODE);
a
testword''
SELECT a FROM t1 WHERE MATCH a AGAINST('testword\'\'' IN BOOLEAN MODE);
a
testword''
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10000), FULLTEXT(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10000) default NULL,
  FULLTEXT KEY `a` (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a TEXT, FULLTEXT KEY(a));
INSERT INTO t1 VALUES('test'),('test1'),('test');
PREPARE stmt from "SELECT a, FORMAT(MATCH(a) AGAINST('test1 test'),6) FROM t1 WHERE MATCH(a) AGAINST('test1 test')";
EXECUTE stmt;
a	FORMAT(MATCH(a) AGAINST('test1 test'),6)
test1	0.685267
EXECUTE stmt;
a	FORMAT(MATCH(a) AGAINST('test1 test'),6)
test1	0.685267
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(255), FULLTEXT(a));
SELECT * FROM t1 IGNORE INDEX(a) WHERE MATCH(a) AGAINST('test');
a
ALTER TABLE t1 DISABLE KEYS;
SELECT * FROM t1 WHERE MATCH(a) AGAINST('test');
ERROR HY000: Can't find FULLTEXT index matching the column list
DROP TABLE t1;
CREATE TABLE t1(a TEXT);
INSERT INTO t1 VALUES(' aaaaa aaaa');
SELECT * FROM t1 WHERE MATCH(a) AGAINST ('"aaaa"' IN BOOLEAN MODE);
a
 aaaaa aaaa
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(255), b INT, FULLTEXT(a), KEY(b));
INSERT INTO t1 VALUES('test', 1),('test', 1),('test', 1),('test', 1),
('test', 1),('test', 2),('test', 3),('test', 4);
EXPLAIN SELECT * FROM t1
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	b,a	a	0		1	Using where
EXPLAIN SELECT * FROM t1 USE INDEX(a)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
EXPLAIN SELECT * FROM t1 FORCE INDEX(a)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	fulltext	a	a	0		1	Using where
EXPLAIN SELECT * FROM t1 IGNORE INDEX(a)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	b	b	5	const	4	Using where
EXPLAIN SELECT * FROM t1 USE INDEX(b)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	b	b	5	const	4	Using where
EXPLAIN SELECT * FROM t1 FORCE INDEX(b)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	b	b	5	const	4	Using where
DROP TABLE t1;
CREATE TABLE t1(a CHAR(10));
INSERT INTO t1 VALUES('aaa15');
SELECT MATCH(a) AGAINST('aaa1* aaa14 aaa16' IN BOOLEAN MODE) FROM t1;
MATCH(a) AGAINST('aaa1* aaa14 aaa16' IN BOOLEAN MODE)
1
SELECT MATCH(a) AGAINST('aaa1* aaa14 aaa15 aaa16' IN BOOLEAN MODE) FROM t1;
MATCH(a) AGAINST('aaa1* aaa14 aaa15 aaa16' IN BOOLEAN MODE)
2
DROP TABLE t1;