class AddPurposeToCampaigns < ActiveRecord::Migration[3.2]
def change
# We're using the "name" column as a short campaign purpose phrase.
# Let's name that "purpose" instead, and create a "name" column that we can
# use to reference the campaign, e.g. "2016".
rename_column :campaigns, :name, :purpose
add_column :campaigns, :name, :string
end