Error: select wholesale_product.id,storeid,categories,cat_id,product_name,photo,size from wholesale_product left join wholesale_productprice on wholesale_productprice.product_id=wholesale_product.id where 1=1 and categories like '%%' and wholesale_product.status=1 group by product_id order by wholesale_product.id desc limit ying-yang-veg-hakka-noodles-(buy-one-get-one-free),60

Undeclared variable: ying