[wp-testers] 2.1-alpha3 search bug

[Ryan Boren]

oaso wrote:
> I am now using WP 2.1 Alpha3 lastest SVN and I found it has some 
> problems when I did a search in my Chinese blog.
> 
> I searched a chinese word and it returns as follow:
> 
> WordPress database error: [Got error 'empty (sub)expression' from regexp]
> SELECT DISTINCT posts.*, CASE WHEN posts.post_title REGEXP '' THEN 1 
> ELSE 0 END AS keyword_in_title, MATCH ( posts.post_title, 
> posts.post_content ) AGAINST ( '' ) AS mysql_score FROM wp_posts as 
> posts LEFT JOIN wp_postmeta as postmeta ON postmeta.post_id = posts.ID 
> WHERE posts.post_date_gmt <= '2006-12-11 02:47:00' AND ( 
> posts.post_password = '' ) AND ( ( post_status = 'publish' OR ( 
> post_status = 'static' AND postmeta.meta_value = 'article.php' ) ) ) AND 
> ( posts.post_title REGEXP '' OR posts.post_content REGEXP '' ) GROUP BY 
> posts.ID ORDER BY keyword_in_title DESC, mysql_score DESC, 
> posts.post_date DESC LIMIT 0, 6

WordPress doesn't do any queries that look like that.  Perhaps that is 
from a plugin?

Ryan