Select pa.*,
b.title bnm, b.title_seo bnmseo, b.discount1 localdiscount, b.discount2 scndiscount, b.discount3 g2sdiscount, b.discount4 unidiscount, b.discount5 orsdiscount, b.discount6 altdiscount,
c.title cnm, c.title_seo cnmseo, c1.title scnm, c1.title_seo scnmseo
from pa
LEFT JOIN brands b ON pa.brand_id = b.id and b.visible=0 and b.delflag=0
LEFT JOIN categories c ON pa.category_id = c.id and c.visible=0 and c.delflag=0
LEFT JOIN categories c1 ON pa.subcategory_id = c1.id and c1.visible=0 and c1.delflag=0
where pa.price > 0 and pa.visible=0 and pa.delflag=0 and pa.category_id=3999 and pa.subcategory_id=4003 order by pa.sort_order,FIELD(status,1,3,6,5,1,4,2) limit 0,315
