X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/935c8f81f0a041a58bbb45602ef44cdd6673163a..436f5c768dbc97135490b6477efd1ff0482a9dda:/services/api/app/controllers/application_controller.rb

diff --git a/services/api/app/controllers/application_controller.rb b/services/api/app/controllers/application_controller.rb
index cdfbdbbcc1..22851191b6 100644
--- a/services/api/app/controllers/application_controller.rb
+++ b/services/api/app/controllers/application_controller.rb
@@ -506,10 +506,16 @@ class ApplicationController < ActionController::Base
       :limit => @limit,
       :items => @objects.as_api_response(nil, {select: @select})
     }
-    if @objects.respond_to? :except
-      list[:items_available] = @objects.
-        except(:limit).except(:offset).
-        count(:id, distinct: true)
+    case params[:count]
+    when nil, '', 'exact'
+      if @objects.respond_to? :except
+        list[:items_available] = @objects.
+          except(:limit).except(:offset).
+          count(:id, distinct: true)
+      end
+    when 'none'
+    else
+      raise ArgumentError.new("count parameter must be 'exact' or 'none'")
     end
     list
   end
@@ -572,6 +578,7 @@ class ApplicationController < ActionController::Base
       distinct: { type: 'boolean', required: false },
       limit: { type: 'integer', required: false, default: DEFAULT_LIMIT },
       offset: { type: 'integer', required: false, default: 0 },
+      count: { type: 'string', required: false, default: 'exact' },
     }
   end