WordPress database error: [Can't create/write to file '/tmp/#sql15e_8c74e_0.MYI' (Errcode: 28)]
SELECT DISTINCT * FROM wp_posts LEFT JOIN wp_post2cat ON (wp_posts.ID = wp_post2cat.post_id) WHERE 1=1 AND (category_id = 3) AND post_date_gmt <= '2010-09-08 00:38:59' AND (post_status = "publish") GROUP BY wp_posts.ID ORDER BY post_date DESC LIMIT 0, 7