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class ActsAsTaggableMigration < ActiveRecord::Migration
def self.up
create_table :tags do |t|
t.column :name, :string
end
create_table :taggings do |t|
t.column :tag_id, :integer
t.column :taggable_id, :integer
# You should make sure that the column created is
# long enough to store the required class names.
t.column :taggable_type, :string
t.column :created_at, :datetime
end
add_index :taggings, :tag_id
add_index :taggings, [:taggable_id, :taggable_type]
end
def self.down
drop_table :taggings
drop_table :tags
end
end
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