gistfile1.rb

[
BankAccount,
Cart,
CartItem,
Category,
Delivery,
DeliverySchedule,
Location,
Lot,
ManagedMarket,
Market,
MarketAddress,
MarketOrganization,
Order,
OrderItem,
OrderItemLot,
Organization,
Price,
Product,
Sequence,
Unit,
User,
UserOrganization
].each do |model|
  model.all.select do |instance| 
    begin
      !instance.valid?
    rescue Exception => e
      puts "-----------------------------"
      puts "Error validating #{model.to_s}: #{instance.id}"
      puts ".........."
      puts e.message
      puts "-----------------------------"
    end
  end.each do|instance| 
      puts "-----------------------------"
      puts "Invalid instance #{model.to_s}: #{instance.id}"
      puts ".........."
      puts instance.errors.inspect
      puts "-----------------------------"
  end
end