Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
user_id: 10 | friend_id: 20
user_id: 10 | friend_id: 20
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
user_id: 10 | friend_id: 20
user_id: 10 | friend_id: 20
