drop table if exists t1, t2; CREATE TABLE t1 ( id VARCHAR(255) NOT NULL PRIMARY KEY, sujet VARCHAR(255), motsclefs TEXT, texte MEDIUMTEXT, FULLTEXT(sujet, motsclefs, texte) ) ENGINE = InnoDB; INSERT INTO t1 VALUES('123','toto','essai','test'); INSERT INTO t1 VALUES('456','droit','penal','lawyer'); INSERT INTO t1 VALUES('789','aaaaa','bbbbb','cccccc'); CREATE TABLE t2 ( id VARCHAR(255) NOT NULL, author VARCHAR(255) NOT NULL ) ENGINE = InnoDB; INSERT INTO t2 VALUES('123', 'moi'); INSERT INTO t2 VALUES('123', 'lui'); INSERT INTO t2 VALUES('456', 'lui'); ANALYZE TABLE t1; ANALYZE TABLE t2; select round(match(t1.texte,t1.sujet,t1.motsclefs) against('droit'),5) from t1 left join t2 on t2.id=t1.id; round(match(t1.texte,t1.sujet,t1.motsclefs) against('droit'),5) 0.00000 0.00000 0.22764 0.00000 select match(t1.texte,t1.sujet,t1.motsclefs) against('droit' IN BOOLEAN MODE) from t1 left join t2 on t2.id=t1.id; match(t1.texte,t1.sujet,t1.motsclefs) against('droit' IN BOOLEAN MODE) 0 0 0.22764469683170319 0 drop table t1, t2; create table t1 (venue_id int(11) default null, venue_text varchar(255) default null, dt datetime default null) ENGINE = InnoDB; insert into t1 (venue_id, venue_text, dt) values (1, 'a1', '2003-05-23 19:30:00'),(null, 'a2', '2003-05-23 19:30:00'); create table t2 (name varchar(255) not null default '', entity_id int(11) not null auto_increment, primary key (entity_id), fulltext key name (name)) engine= innodb; insert into t2 (name, entity_id) values ('aberdeen town hall', 1), ('glasgow royal concert hall', 2), ('queen\'s hall, edinburgh', 3); ANALYZE TABLE t1; ANALYZE TABLE t2; select * from t1 left join t2 on venue_id = entity_id where match(name) against('aberdeen' in boolean mode) and dt = '2003-05-23 19:30:00'; venue_id venue_text dt name entity_id 1 a1 2003-05-23 19:30:00 aberdeen town hall 1 select * from t1 left join t2 on venue_id = entity_id where match(name) against('aberdeen') and dt = '2003-05-23 19:30:00'; venue_id venue_text dt name entity_id 1 a1 2003-05-23 19:30:00 aberdeen town hall 1 select * from t1 left join t2 on (venue_id = entity_id and match(name) against('aberdeen' in boolean mode)) where dt = '2003-05-23 19:30:00'; venue_id venue_text dt name entity_id 1 a1 2003-05-23 19:30:00 aberdeen town hall 1 NULL a2 2003-05-23 19:30:00 NULL NULL select * from t1 left join t2 on (venue_id = entity_id and match(name) against('aberdeen')) where dt = '2003-05-23 19:30:00'; venue_id venue_text dt name entity_id 1 a1 2003-05-23 19:30:00 aberdeen town hall 1 NULL a2 2003-05-23 19:30:00 NULL NULL drop table t1,t2; create table t1 (id int not null primary key, d char(200) not null, e char(200), fulltext (d, e)) ENGINE = InnoDB; insert into t1 values (1, 'aword', null), (2, 'aword', 'bword'), (3, 'bword', null), (4, 'bword', 'aword'), (5, 'aword and bword', null); ANALYZE TABLE t1; select * from t1 where match(d, e) against ('+aword +bword' in boolean mode); id d e 2 aword bword 4 bword aword 5 aword and bword NULL create table t2 (m_id int not null, f char(200), key (m_id), fulltext (f)) engine = InnoDB; insert into t2 values (1, 'bword'), (3, 'aword'), (5, ''); ANALYZE TABLE t2; select * from t1 left join t2 on m_id = id where match(d, e, f) against ('+aword +bword' in boolean mode); ERROR HY000: Incorrect arguments to MATCH drop table t1,t2; CREATE TABLE t1 ( id int(10) NOT NULL auto_increment, link int(10) default NULL, name mediumtext default NULL, PRIMARY KEY (id), FULLTEXT (name) ) ENGINE = InnoDB; INSERT INTO t1 VALUES (1, 1, 'string'); INSERT INTO t1 VALUES (2, 0, 'string'); CREATE TABLE t2 ( id int(10) NOT NULL auto_increment, name mediumtext default NULL, PRIMARY KEY (id), FULLTEXT (name) ) ENGINE = InnoDB; INSERT INTO t2 VALUES (1, 'string'); ANALYZE TABLE t1; ANALYZE TABLE t2; SELECT t1.*, MATCH(t1.name) AGAINST('string') AS relevance FROM t1 LEFT JOIN t2 ON t1.link = t2.id WHERE MATCH(t1.name, t2.name) AGAINST('string' IN BOOLEAN MODE); ERROR HY000: Incorrect arguments to MATCH DROP TABLE t1,t2; CREATE TABLE t1 (a INT) ENGINE = InnoDB; CREATE TABLE t2 (b INT, c TEXT, KEY(b), FULLTEXT(c)) ENGINE = InnoDB; INSERT INTO t1 VALUES(1); INSERT INTO t2(b,c) VALUES(2,'castle'),(3,'castle'); ANALYZE TABLE t1; ANALYZE TABLE t2; SELECT * FROM t1 LEFT JOIN t2 ON a=b WHERE MATCH(c) AGAINST('+castle' IN BOOLEAN MODE); a b c DROP TABLE t1, t2;