Created
November 29, 2012 17:21
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Mysql Fulltext search
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# CREATE a TABLE TO USE FOR testing fulltext INDEX AND full-text search | |
DROP TABLE IF EXISTS test; | |
CREATE TABLE test ( | |
id int UNSIGNED PRIMARY KEY AUTO_INCREMENT, | |
title char(100) NOT NULL, | |
article text NOT NULL, | |
fulltext (article) # CREATE the fulltext INDEX ON FIELD article | |
)engine=myisam; # Fulltext INDEX only works WITH MyISAM TABLES, which IS usually DEFAULT | |
# A way TO CREATE a fulltext INDEX ON an already existing TABLE | |
# CREATE fulltext INDEX articleIndex ON test (article); | |
# INSERT DATA INTO TABLE | |
INSERT INTO test (title, article) VALUES ('Football', 'Molde has the best football team in Norway'); | |
INSERT INTO test (title, article) VALUES ('Salmon', 'Moldeelva can offer salmon at medio 200g'); | |
INSERT INTO test (title, article) VALUES ('Music', 'Molde has the biggest music festival in Norway'); | |
# A normal fulltext search matches only UNIQUE strings | |
SELECT * FROM test WHERE match (article) against ('Molde has the best football team in Norway') | |
# A BOOLEAN mode search matches words IN this example | |
SELECT * FROM test WHERE match (article) against ('molde' IN BOOLEAN mode); | |
# A BOOLEAN mode search | |
SELECT * FROM test WHERE match (article) against ('+molde -music' IN BOOLEAN mode); |
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