X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/cec09589e50ced6d0b7a0d90d5ca124241d4a58a..9a07feb6e747e88e4bd3f43e2c2b77954b9e6a19:/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 aca87868c3..1dac43fa61 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -56,7 +56,7 @@ class ArvadosBase < ActiveRecord::Base
   end
 
   def self.columns
-    return @columns unless @columns.nil?
+    return @columns if @columns.andand.any?
     @columns = []
     @attribute_info ||= {}
     schema = arvados_api_client.discovery[:schemas][self.to_s.to_sym]
@@ -131,6 +131,10 @@ class ArvadosBase < ActiveRecord::Base
     ArvadosResourceList.new(self).limit(*args)
   end
 
+  def self.select(*args)
+    ArvadosResourceList.new(self).select(*args)
+  end
+
   def self.eager(*args)
     ArvadosResourceList.new(self).eager(*args)
   end
@@ -295,6 +299,10 @@ class ArvadosBase < ActiveRecord::Base
     self.class.to_s.underscore.humanize
   end
 
+  def self.class_for_display
+    self.to_s.underscore.humanize
+  end
+
   def self.creatable?
     current_user
   end