X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/c7d692a3f09d8116cc52591f8852c4e0d6e4ab3c..2e03d03bc55b5a612c2bf04d878a72f2ee420d99:/apps/workbench/app/models/arvados_base.rb

diff --git a/apps/workbench/app/models/arvados_base.rb b/apps/workbench/app/models/arvados_base.rb
index b9162c2aec..c5e1a4ed22 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -106,6 +106,12 @@ class ArvadosBase
     end
   end
 
+  # The ActiveModel::Dirty API was changed on Rails 5.2
+  # See: https://github.com/rails/rails/commit/c3675f50d2e59b7fc173d7b332860c4b1a24a726#diff-aaddd42c7feb0834b1b5c66af69814d3
+  def mutations_from_database
+    @mutations_from_database ||= ActiveModel::NullMutationTracker.instance
+  end
+
   def self.columns
     @discovered_columns = [] if !defined?(@discovered_columns)
     return @discovered_columns if @discovered_columns.andand.any?