Give preference to to_a over arel from Relation#method_missing

2 files changed, 6 insertions, 5 deletions

diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index 9fcdabdb44..bf0683eb8f 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -81,8 +81,8 @@ module ActiveRecord
             relation = self.class.unscoped
 
             affected_rows = relation.where(
-              relation[self.class.primary_key].eq(quoted_id).and(
-                relation[self.class.locking_column].eq(quote_value(previous_value))
+              relation.table[self.class.primary_key].eq(quoted_id).and(
+                relation.table[self.class.locking_column].eq(quote_value(previous_value))
               )
             ).update(arel_attributes_values(false, false, attribute_names))
 
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 6ac7137976..8bb019f147 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -8,6 +8,7 @@ module ActiveRecord
     include FinderMethods, Calculations, SpawnMethods, QueryMethods
 
     delegate :length, :collect, :map, :each, :all?, :include?, :to => :to_a
+    delegate :insert, :update, :where_clause, :to => :arel
 
     attr_reader :table, :klass
 
@@ -139,10 +140,10 @@ module ActiveRecord
     protected
 
     def method_missing(method, *args, &block)
-      if arel.respond_to?(method)
-        arel.send(method, *args, &block)
-      elsif Array.method_defined?(method)
+      if Array.method_defined?(method)
         to_a.send(method, *args, &block)
+      elsif arel.respond_to?(method)
+        arel.send(method, *args, &block)
       elsif match = DynamicFinderMatch.match(method)
         attributes = match.attribute_names
         super unless @klass.send(:all_attributes_exists?, attributes)