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DROP TABLE IF EXISTS t1,t2,t3;
CREATE TABLE t1 (
a INT AUTO_INCREMENT PRIMARY KEY,
message CHAR(20),
FULLTEXT(message)
) comment = 'original testcase by sroussey@network54.com';
INSERT INTO t1 (message) VALUES ("Testing"),("table"),("testbug"),
("steve"),("is"),("cool"),("steve is cool");
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) FROM t1 WHERE MATCH (message) AGAINST ('steve');
a FORMAT(MATCH (message) AGAINST ('steve'),6)
4 0.905873
7 0.895690
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve');
a MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
4 1
7 1
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
a FORMAT(MATCH (message) AGAINST ('steve'),6)
4 0.905873
7 0.895690
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
a MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
4 1
7 1
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) FROM t1 WHERE MATCH (message) AGAINST ('steve') ORDER BY a;
a FORMAT(MATCH (message) AGAINST ('steve'),6)
4 0.905873
7 0.895690
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a;
a MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
4 1
7 1
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve') ORDER BY a DESC;
a FORMAT(MATCH (message) AGAINST ('steve'),6)
7 0.895690
4 0.905873
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a DESC;
a MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
7 1
4 1
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve') ORDER BY 1;
a FORMAT(MATCH (message) AGAINST ('steve'),6)
7 0.895690
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY 1;
a MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
7 1
SELECT a, FORMAT(MATCH (message) AGAINST ('steve'),6) as rel FROM t1 ORDER BY rel;
a rel
1 0.000000
2 0.000000
3 0.000000
5 0.000000
6 0.000000
7 0.895690
4 0.905873
SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) as rel FROM t1 ORDER BY rel;
a rel
1 0
2 0
3 0
5 0
6 0
4 1
7 1
alter table t1 add key m (message);
explain SELECT message FROM t1 WHERE MATCH (message) AGAINST ('steve') ORDER BY message;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL fulltext message message 0 const 1 100.00 Using where; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`message` AS `message` from `test`.`t1` where (match `test`.`t1`.`message` against ('steve')) order by `test`.`t1`.`message`
SELECT message FROM t1 WHERE MATCH (message) AGAINST ('steve') ORDER BY message desc;
message
steve is cool
steve
drop table t1;
CREATE TABLE t1 (
a INT AUTO_INCREMENT PRIMARY KEY,
message CHAR(20),
FULLTEXT(message)
);
INSERT INTO t1 (message) VALUES ("testbug"),("testbug foobar");
SELECT a, MATCH (message) AGAINST ('t* f*' IN BOOLEAN MODE) as rel FROM t1;
a rel
1 1
2 2
SELECT a, MATCH (message) AGAINST ('t* f*' IN BOOLEAN MODE) as rel FROM t1 ORDER BY rel,a;
a rel
1 1
2 2
drop table t1;
CREATE TABLE t1 (
id int(11) NOT NULL auto_increment,
thread int(11) NOT NULL default '0',
beitrag longtext NOT NULL,
PRIMARY KEY (id),
KEY thread (thread),
FULLTEXT KEY beitrag (beitrag)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=7923 ;
CREATE TABLE t2 (
id int(11) NOT NULL auto_increment,
text varchar(100) NOT NULL default '',
PRIMARY KEY (id),
KEY text (text)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=63 ;
CREATE TABLE t3 (
id int(11) NOT NULL auto_increment,
forum int(11) NOT NULL default '0',
betreff varchar(70) NOT NULL default '',
PRIMARY KEY (id),
KEY forum (forum),
FULLTEXT KEY betreff (betreff)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=996 ;
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(b.betreff) against ('+abc' in boolean mode)
group by a.text, b.id, b.betreff
union
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(c.beitrag) against ('+abc' in boolean mode)
group by
a.text, b.id, b.betreff
order by
match(b.betreff) against ('+abc' in boolean mode) desc;
ERROR 42000: Table 'b' from one of the SELECTs cannot be used in field list
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(b.betreff) against ('+abc' in boolean mode)
union
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(c.beitrag) against ('+abc' in boolean mode)
order by
match(b.betreff) against ('+abc' in boolean mode) desc;
ERROR 42000: Table 'b' from one of the SELECTs cannot be used in field list
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(b.betreff) against ('+abc' in boolean mode)
union
select a.text, b.id, b.betreff
from
t2 a inner join t3 b on a.id = b.forum inner join
t1 c on b.id = c.thread
where
match(c.beitrag) against ('+abc' in boolean mode)
order by
match(betreff) against ('+abc' in boolean mode) desc;
text id betreff
(select b.id, b.betreff from t3 b) union
(select b.id, b.betreff from t3 b)
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
(select b.id, b.betreff from t3 b) union
(select b.id, b.betreff from t3 b)
order by match(betreff) against ('+abc') desc;
ERROR HY000: Can't find FULLTEXT index matching the column list
select distinct b.id, b.betreff from t3 b
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
select b.id, b.betreff from t3 b group by b.id+1
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
drop table t1,t2,t3;