|
class AddOsFamilyToMedia < ActiveRecord::Migration[4.2]
|
|
def up
|
|
add_column :media, :os_family, :string, :limit => 255
|
|
Medium.reset_column_information
|
|
Medium.unscoped.all.each do |m|
|
|
family = m.operatingsystems.map(&:family).uniq.first rescue nil
|
|
m.update_attribute(:os_family, family) if family
|
|
end
|
|
end
|
|
|
|
def down
|
|
remove_column :media, :os_family
|
|
end
|
|
end
|