WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND post_index = OR topic_id = AND post_index=1 ORDER BY post_id DESC' at line 6]
SELECT post_id, topic_id, forum_id, post_date, UNIX_TIMESTAMP(post_date) as udate, guest_name, wp_sfposts.user_id, post_index, post_status, user_login, wp_sfmembers.display_name FROM wp_sfposts LEFT JOIN wp_users ON wp_sfposts.user_id = wp_users.ID LEFT JOIN wp_sfmembers ON wp_sfposts.user_id = wp_sfmembers.user_id WHERE topic_id = AND post_index = OR topic_id = AND post_index=1 ORDER BY post_id DESC;