2 files changed, 8 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index 3ea7b644c2..da0331d9c3 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -166,8 +166,7 @@ module ActiveRecord
 
         id = ids.first
 
-        return super if id.kind_of?(Array) ||
-                         id.is_a?(ActiveRecord::Base)
+        return super if StatementCache.unsupported_value?(id)
 
         key = primary_key
 
@@ -192,7 +191,7 @@ module ActiveRecord
         hash = args.first
 
         return super if !(Hash === hash) || hash.values.any? { |v|
-          v.nil? || Array === v || Hash === v || Relation === v || Base === v
+          StatementCache.unsupported_value?(v)
         }
 
         # We can't cache Post.find_by(author: david) ...yet
diff --git a/activerecord/lib/active_record/statement_cache.rb b/activerecord/lib/active_record/statement_cache.rb
index 1877489e55..ceb7c66766 100644
--- a/activerecord/lib/active_record/statement_cache.rb
+++ b/activerecord/lib/active_record/statement_cache.rb
@@ -106,6 +106,11 @@ module ActiveRecord
 
       klass.find_by_sql(sql, bind_values, preparable: true, &block)
     end
-    alias :call :execute
+
+    def self.unsupported_value?(value)
+      case value
+      when NilClass, Array, Range, Hash, Relation, Base then true
+      end
+    end
   end
 end