search for: payment_numbers

I have a loans table and a payments table. Each loan has_many payments. So far no problem. Now, the payments table has a payment_number field, and each payment has a payment_number unique within that loan. For example, Loan A can have payment_numbers 0, 1, and 2 and Loan B can have payment_numbers 0, 1, 2, and 3 (but only one of each payment_number). I can enforce this with a unique index in the payments table on the combination of loan_id and payment_number. How do I enforce this in my model? When I run a unit test with just the index set...

Hi all, I have a shopping application I am testing, and one of the models is an Order model, within which a credit card number is encrypted and stored in the db (mysql) as a BLOB field. When trying to run my unit tests, I cannot get my model fixtures to load the encrypted data. If, in my dynamic fixture (YAML) file, I could have access to my app''s models, the problem would be trivial..