Someone

(    SELECT DISTINCT f_topics.*, f_posts.id AS postID,    (MATCH (f_posts.text) AGAINST ('%1\$s')) AS score    FROM f_topics    INNER JOIN f_posts ON f_posts.topicId = f_topics.id    WHERE MATCH(f_posts.text) AGAINST ('%1\$s'))UNION(    SELECT DISTINCT f_topics.*, 0 AS postID,    (MATCH (f_topics.title) AGAINST ('%1\$s')*2) AS score    FROM f_topics    WHERE MATCH(f_topics.title) AGAINST ('%1\$s'))ORDER BY score DESCLIMIT 0,20