load DERIVED_PREDICATES only if it has been defined

2014-08-01 21:12:27 -07:00 · 2014-08-01 21:12:27 -07:00 · b3234d20f3
parent 9e1204e179
commit b3234d20f3
1 changed files with 4 additions and 2 deletions
--- a/lib/ransack.rb
+++ b/lib/ransack.rb
@ -13,8 +13,10 @@ Ransack.configure do |config|
    config.add_predicate name, :arel_predicate => name
  end

-  Ransack::Constants::DERIVED_PREDICATES.each do |args|
-    config.add_predicate *args
+  if defined?(Ransack::Constants::DERIVED_PREDICATES)
+    Ransack::Constants::DERIVED_PREDICATES.each do |args|
+      config.add_predicate *args
+    end
  end
 end