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我正在使用PDO執行MATCH AGAINST查詢。MySQL匹配 - 在BOOLEAN模式?
下返回什麼:
SELECT title, author, isbn, MATCH(title, isbn) AGAINST (:term) AS score
FROM books
WHERE MATCH(title, isbn) AGAINST (:term)
ORDER BY score DESC LIMIT 0,10
在哪裏,因爲這將返回完美:
SELECT title, author, isbn, MATCH(title, isbn) AGAINST (:term) AS score
FROM books
WHERE MATCH(title, isbn) AGAINST (:term IN BOOLEAN MODE)
ORDER BY score DESC LIMIT 0,10
誰能告訴我,爲什麼在布爾模式正在這樣的差別,以及我是否不應該在我的查詢中使用它?