使用3个字母的单词在mysql上进行全文搜索

Posted 2023-02-02

我想在包含“The Zen Circus”的字段中找到“禅”字符串。我有一个FULLTEXT索引。

select url,name,
,   MATCH(name) AGAINST ( 'zen*' IN BOOLEAN MODE) as A
,   MATCH(name) AGAINST ( '"the zen*"' IN BOOLEAN MODE) as B
,   MATCH(name) AGAINST ('>the* zen' IN BOOLEAN MODE) as C
,   MATCH(name) AGAINST ('thezen*' IN BOOLEAN MODE) as D
,   MATCH(name) AGAINST ('cir*' IN BOOLEAN MODE) as E
,   MATCH(name) AGAINST ('circus*' IN BOOLEAN MODE) as F
from pages where url='thezencircus'

我有这个结果：

url = thezencircus
name = The Zen Circus
A = 0   (why?)
B = 0   (why?)
C = 0   (why?)
D = 0   (ok)
E = 1   (ok)
F = 1   (ok)

我还在msyql配置文件中放了ft_min_word_len = 2。

任何的想法？

答案

看到这个答案MySQL full text search for words with three or less letters

的[mysqld] 的ft_min_word_len = 3 然后，您必须重新启动服务器并重建您的FULLTEXT索引。

请记住重新启动并重建索引。

---

Edit

Run show variables like 'ft_%'; to confirm that the word length matches what you set it to.

另一答案

花王是对的，但这对我没有帮助 - 为什么？ InnoDB表使用不同的设置 - 尝试更新此设置并使用以下命令进行检查：

    show variables like 'innodb_ft_min_token_size';