gitlab-org--gitlab-foss/db/migrate/20150429002313_remove_abandoned_group_members_records.rb

class RemoveAbandonedGroupMembersRecords < ActiveRecord::Migration[4.2]
  def up
    execute("DELETE FROM members WHERE type = 'GroupMember' AND source_id NOT IN(\
        SELECT id FROM namespaces WHERE type='Group')")
  end

  def down
  end
end