store = Store.find_by(code: "XXX")
store.products.all.each do |product|
  p "product id: #{product.id} SKU duplicated from #{store.products.where(sku: product.sku).map(&:id)}" if store.products.where(sku: product.sku).size >= 2
  p "product id: #{product.id} name duplicated from #{store.products.where(name: product.name).map(&:id)}" if store.products.where(name: product.name).size >= 2
end