QUERY: SELECT
	                  
            p.products_id,
            p.products_model,
            p.label_ids,
            p.main_category,
            p.products_ean,
            p.products_fsk18,
            p.products_quantity,
            p.products_quantity_min,
            p.products_quantity_step,
            p.products_price,
            p.products_price_small_opt,
            p.products_price_opt,
            p.products_purchase_price,
            p.small_opt_purchase_price,
            p.count_small_opt_purchase_price,
            p.count_opt_purchase_price,
            p.opt_purchase_price,
            p.postavshik,
            p.suplier_catalog_id,
            p.postavshik_comment,
            p.name_catalog_id,
            p.products_tax_class_id,
            p.products_image,
            p.products_vpe,
            p.products_vpe_status,
            p.products_vpe_value,
            p.products_currency,
            p.products_page_url,
            p.video,
            p.show_video,
            pd.products_short_description,
	        p.rev_total,
	        p.rev_rating,
            pd.products_name,
	                  p.products_ordered,
	                  pd.products_short_description,
	                  s.status,
	                  IF(s.status, s.specials_new_products_price, 0) as specials_new_products_price,
	                  m.manufacturers_name,
	                  m.manufacturers_id FROM products  AS p 
	LEFT JOIN products_description AS pd ON (p.products_id = pd.products_id) 
	LEFT JOIN manufacturers AS m ON (p.manufacturers_id = m.manufacturers_id)
	LEFT JOIN specials AS s on p.products_id = s.products_id
	LEFT JOIN products_to_categories as p2c2 ON (p2c2.products_id=p.products_id) 
	LEFT JOIN categories as c ON (c.categories_id=p2c2.categories_id) WHERE p.products_status = 1  AND c.categories_status = 1 AND pd.language_id = '1' AND p.products_id IN(0) GROUP BY p.products_id  ORDER BY CASE WHEN products_price = 0 THEN 99999999 WHEN products_price > 0 THEN products_price END  asc ,p.products_specials desc<br>
ERROR: Unknown column 'p.products_specials' in 'order clause'<br>