class AddSignatureCountValidatedAtToPetitions < ActiveRecord::Migration - AddSignatureCountValidatedAtToPetitions has no descriptive comment
def up
unless column_exists?(:petitions, :signature_count_validated_at)
add_column :petitions, :signature_count_validated_at, :datetime
end
end
def down
if column_exists?(:petitions, :signature_count_validated_at)
remove_column :petitions, :signature_count_validated_at
end
end
end