services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 class AddObjectOwnerToLogs < ActiveRecord::Migration[4.2]
   6   include CurrentApiClient
   7
   8   def up
   9     add_column :logs, :object_owner_uuid, :string
  10     act_as_system_user do
  11       Log.find_in_batches(:batch_size => 500) do |batch|
  12         upd = {}
  13         ActiveRecord::Base.transaction do
  14           batch.each do |log|
  15             if log.properties["new_attributes"]
  16               log.object_owner_uuid = log.properties['new_attributes']['owner_uuid']
  17               log.save
  18             elsif log.properties["old_attributes"]
  19               log.object_owner_uuid = log.properties['old_attributes']['owner_uuid']
  20               log.save
  21             end
  22           end
  23         end
  24       end
  25     end
  26   end
  27
  28   def down
  29     remove_column :logs, :object_owner_uuid
  30   end
  31 end