DB Error 3065 : Expression #1 of ORDER BY clause is not in SELECT list, references column 'bepdient_dulieu.idv_article_category.ordering' which is not in SELECT list; this is incompatible with DISTINCT<br>Query: 
						SELECT DISTINCT article_id
						FROM idv_article_category
						WHERE 1  and `article_type`='article' and status=1  and category_id IN (2) 
						ORDER BY ordering DESC, article_id DESC
						LIMIT 12, 12