1054 - Unknown column 'au.arthurs_id' in 'on clause'
select distinct au.authors_id as id, au.authors_name as name from articles a left join articles_to_topics a2t on a.articles_id=a2t.articles_id left join authors au on a.authors_id=au.arthurs_id where a.articles_status = '1' and a.authors_id = au.authors_id and a.articles_id = a2t.articles_id and a2t.topics_id = '3' order by au.authors_name
