Displaying 1 result from an estimated 1 matches for "associated_id".
2006 May 08
2
Associating with different classes
...ther classes--Animals, Fruits and Vegetables. Each
node will have an association with one object of ONE type. The object
types are different enough to make STI impractical.
I am thinking of the following: adding a table called associations
and holding three columns--node_id, associated_type, associated_id.
Thus:
class Node < AR::B
has_one :association
end
class Association < AR::B
belongs_to :node
end
A method of the Association class will pull up the necessary Animal,
Fruit or Vegetable, depending on the associated_type and
associated_id. A method of the Node class will request...