RoR: How to print all elements that belongs_to this table?

When you define a has_many relation, you automatically get the methods to query those objects. In this case, the method order. Items So you can do: Order.

Find_each do |order| puts "Order #{order. Id}:" order.items. Each do |item| puts "Item #{item.Id}" end end (I used find_each method, which is available from Rails 2.3+.

You could use a simple Order.all. Each though.

When you define a has_many relation, you automatically get the methods to query those objects. In this case, the method order.items" rel="nofollow">order.items. So you can do: Order.

Find_each do |order| puts "Order #{order. Id}:" order.items" rel="nofollow">order.items. Each do |item| puts "Item #{item.Id}" end end (I used find_each method, which is available from Rails 2.3+.

You could use a simple Order.all. Each though.

Excellent, thanks! But if I want to use it in a template, it won't work, right? It says undefined method 'items'.

– Arty Jul 4 '10 at 20:14 It should work, assuming you are correctly calling on an object of type Order. How exactly are you calling it in your view? – Chubas Jul 4 '10 at 20:22 – Arty Jul 4 '10 at 20:28 Ok, I got it.It works.

Should have been 'item' not 'items'. Thanks a lot! – Arty Jul 4 '10 at 20:30.

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