X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/34173202861e94dee58ccd5b189983918813d870..bc59a822ddb8e55739fdbdb04e6fbd78d5116450:/apps/workbench/app/models/arvados_base.rb?ds=sidebyside

diff --git a/apps/workbench/app/models/arvados_base.rb b/apps/workbench/app/models/arvados_base.rb
index 7e45ad779a..083db9133b 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -167,7 +167,9 @@ class ArvadosBase < ActiveRecord::Base
   def save
     obdata = {}
     self.class.columns.each do |col|
-      obdata[col.name.to_sym] = self.send(col.name.to_sym)
+      unless self.send(col.name.to_sym).nil? and !self.changed.include?(col.name)
+          obdata[col.name.to_sym] = self.send(col.name.to_sym)
+      end
     end
     obdata.delete :id
     postdata = { self.class.to_s.underscore => obdata }