foodsoft/db/migrate/20140921104907_remove_stale_memberships.rb

class RemoveStaleMemberships < ActiveRecord::Migration[4.2]
  def up
    Membership.where("group_id NOT IN (?)", Group.ids).delete_all
  end
end
Add Rails release to ActiveRecord::Migration 2020-08-07 01:14:14 +02:00			`class RemoveStaleMemberships < ActiveRecord::Migration[4.2]`
Remove all memberships where belonging group was deleted. 2014-09-21 12:54:01 +02:00			`def up`
			`Membership.where("group_id NOT IN (?)", Group.ids).delete_all`
			`end`
			`end`