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in:
[SELECT DISTINCT products_sx_id FROM products_to_categories ptc, products_description pd, (SELECT DISTINCT p.products_id, p.products_sx_id, COUNT(DISTINCT products_sx_id),IF(s.status = 1, s.specials_new_products_price, NULL) as specials_new_products_price, IF(s.status =1, s.specials_new_products_price, p.products_price) as final_price FROM products p left join specials s on p.products_id = s.products_id GROUP BY products_sx_id) psx where ptc.products_id = psx.products_id and ptc.products_id = pd.products_id and ptc.categories_id IN () ORDER BY pd.products_viewed DESC, pd.products_id DESC limit 0,12;]