X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/da1614ac6d9b1b2aeba6267b304ce70c1726b608..a32c4f9997a0c8941b62668c5e59941985359c05:/services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb?ds=sidebyside

diff --git a/services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb b/services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb
index 7fa47028d0..61724f2748 100644
--- a/services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb
+++ b/services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb
@@ -4,13 +4,19 @@ class AddObjectOwnerToLogs < ActiveRecord::Migration
   def up
     add_column :logs, :object_owner_uuid, :string
     act_as_system_user do
-      Log.all.each do |log|
-        if log.properties[:new_attributes]
-          log.object_owner_uuid = log.properties[:new_attributes][:owner_uuid]
-        elsif log.properties[:old_attributes]
-          log.object_owner_uuid = log.properties[:old_attributes][:owner_uuid]
+      Log.find_in_batches(:batch_size => 500) do |batch|
+        upd = {}
+        ActiveRecord::Base.transaction do
+          batch.each do |log|
+            if log.properties["new_attributes"]
+              log.object_owner_uuid = log.properties['new_attributes']['owner_uuid']
+              log.save
+            elsif log.properties["old_attributes"]
+              log.object_owner_uuid = log.properties['old_attributes']['owner_uuid']
+              log.save
+            end
+          end
         end
-        log.save!
       end
     end
   end