WordPress uses MySQL fulltext search?

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I have a PHP/MySQL installation. I’m working on a program that uses a MySQL Fulltext search. I want to reduce the min word length to three. I know I can do this by changing the ft_min_word_length global variable and restarting MySQL.

My problem is that the MySQL server is running several other databases, including two WordPress blogs. If I change that global variable, will this affect/muck up the WordPress posts search? What algorithm does WordPress use? Does it use MySQL FULLTEXT?

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Is there a way to set ft_min_word_length for only one database? Should I worry about it?

I’m using MySql 5.0.5, PHP 5, and WordPress 2.8 on IIS 6.0

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  1. You can find out if full text index is being used…

    SELECT TABLE_SCHEMA, TABLE_NAME, INDEX_NAME, SEQ_IN_INDEX, COLUMN_NAME, CARDINALITY, NULLABLE
FROM information_schema.statistics
WHERE index_type LIKE 'FULLTEXT%' ORDER BY TABLE_SCHEMA, TABLE_NAME

    Is there a way to set ft_min_word_length for only one database?

    No.