Greetings,
I try to add a foreign key in one of my rails migrations in the
following way:
def self.up
add_reference :categories, :items
end
This, strangely, leads to the following error during the migration:
-- add_reference(:categories, :items)
rake aborted!
undefined method `add_reference' for #
In the same way fails the code:
def self.up
change_table :categories do |t|
t.references :items
end
end
I recently upgraded to Rails 2.1.2, if this is relevant to my case. Does
anyone have any pointers on how to solve this problem?
Thanks in advance!
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