100 lines
4.0 KiB
Plaintext
100 lines
4.0 KiB
Plaintext
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drop table if exists t1, t2;
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CREATE TABLE t1 (
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id VARCHAR(255) NOT NULL PRIMARY KEY,
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sujet VARCHAR(255),
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motsclefs TEXT,
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texte MEDIUMTEXT,
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FULLTEXT(sujet, motsclefs, texte)
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);
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INSERT INTO t1 VALUES('123','toto','essai','test');
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INSERT INTO t1 VALUES('456','droit','penal','lawyer');
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INSERT INTO t1 VALUES('789','aaaaa','bbbbb','cccccc');
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CREATE TABLE t2 (
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id VARCHAR(255) NOT NULL,
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author VARCHAR(255) NOT NULL
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);
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INSERT INTO t2 VALUES('123', 'moi');
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INSERT INTO t2 VALUES('123', 'lui');
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INSERT INTO t2 VALUES('456', 'lui');
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select round(match(t1.texte,t1.sujet,t1.motsclefs) against('droit'),5)
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from t1 left join t2 on t2.id=t1.id;
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round(match(t1.texte,t1.sujet,t1.motsclefs) against('droit'),5)
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0.00000
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0.00000
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0.67003
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0.00000
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select match(t1.texte,t1.sujet,t1.motsclefs) against('droit' IN BOOLEAN MODE)
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from t1 left join t2 on t2.id=t1.id;
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match(t1.texte,t1.sujet,t1.motsclefs) against('droit' IN BOOLEAN MODE)
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0
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0
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1
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0
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drop table t1, t2;
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create table t1 (venue_id int(11) default null, venue_text varchar(255) default null, dt datetime default null) engine=myisam;
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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');
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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=myisam;
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insert into t2 (name, entity_id) values ('aberdeen town hall', 1), ('glasgow royal concert hall', 2), ('queen\'s hall, edinburgh', 3);
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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';
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venue_id venue_text dt name entity_id
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1 a1 2003-05-23 19:30:00 aberdeen town hall 1
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select * from t1 left join t2 on venue_id = entity_id where match(name) against('aberdeen') and dt = '2003-05-23 19:30:00';
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venue_id venue_text dt name entity_id
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1 a1 2003-05-23 19:30:00 aberdeen town hall 1
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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';
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venue_id venue_text dt name entity_id
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1 a1 2003-05-23 19:30:00 aberdeen town hall 1
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NULL a2 2003-05-23 19:30:00 NULL NULL
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select * from t1 left join t2 on (venue_id = entity_id and match(name) against('aberdeen')) where dt = '2003-05-23 19:30:00';
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venue_id venue_text dt name entity_id
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1 a1 2003-05-23 19:30:00 aberdeen town hall 1
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NULL a2 2003-05-23 19:30:00 NULL NULL
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drop table t1,t2;
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create table t1 (id int not null primary key, d char(200) not null, e char(200));
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insert into t1 values (1, 'aword', null), (2, 'aword', 'bword'), (3, 'bword', null), (4, 'bword', 'aword'), (5, 'aword and bword', null);
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select * from t1 where match(d, e) against ('+aword +bword' in boolean mode);
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id d e
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2 aword bword
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4 bword aword
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5 aword and bword NULL
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create table t2 (m_id int not null, f char(200), key (m_id));
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insert into t2 values (1, 'bword'), (3, 'aword'), (5, '');
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select * from t1 left join t2 on m_id = id where match(d, e, f) against ('+aword +bword' in boolean mode);
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id d e m_id f
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1 aword NULL 1 bword
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2 aword bword NULL NULL
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3 bword NULL 3 aword
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4 bword aword NULL NULL
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5 aword and bword NULL 5
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drop table t1,t2;
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CREATE TABLE t1 (
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id int(10) NOT NULL auto_increment,
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link int(10) default NULL,
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name mediumtext default NULL,
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PRIMARY KEY (id),
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FULLTEXT (name)
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);
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INSERT INTO t1 VALUES (1, 1, 'string');
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INSERT INTO t1 VALUES (2, 0, 'string');
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CREATE TABLE t2 (
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id int(10) NOT NULL auto_increment,
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name mediumtext default NULL,
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PRIMARY KEY (id),
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FULLTEXT (name)
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);
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INSERT INTO t2 VALUES (1, 'string');
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SELECT t1.*, MATCH(t1.name) AGAINST('string') AS relevance
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FROM t1 LEFT JOIN t2 ON t1.link = t2.id
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WHERE MATCH(t1.name, t2.name) AGAINST('string' IN BOOLEAN MODE);
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id link name relevance
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1 1 string 0
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2 0 string 0
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DROP TABLE t1,t2;
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CREATE TABLE t1 (a INT);
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CREATE TABLE t2 (b INT, c TEXT, KEY(b));
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INSERT INTO t1 VALUES(1);
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INSERT INTO t2(b,c) VALUES(2,'castle'),(3,'castle');
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SELECT * FROM t1 LEFT JOIN t2 ON a=b WHERE MATCH(c) AGAINST('+castle' IN BOOLEAN MODE);
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a b c
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DROP TABLE t1, t2;
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