Add new finder methods to association collection.

3 files changed, 21 insertions, 6 deletions

diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 0ed46046ff..2735bc5141 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1382,9 +1382,9 @@ module ActiveRecord
               if reflection.through_reflection && reflection.source_reflection.belongs_to?
                 through = reflection.through_reflection
                 primary_key = reflection.source_reflection.primary_key_name
-                send(through.name).all(:select => "DISTINCT #{through.quoted_table_name}.#{primary_key}").map!(&:"#{primary_key}")
+                send(through.name).select("DISTINCT #{through.quoted_table_name}.#{primary_key}").map!(&:"#{primary_key}")
               else
-                send(reflection.name).all(:select => "#{reflection.quoted_table_name}.#{reflection.klass.primary_key}").map!(&:id)
+                send(reflection.name).select("#{reflection.quoted_table_name}.#{reflection.klass.primary_key}").map!(&:id)
               end
             end
           end
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb
index 25e329c0c1..b85d76e8d3 100644
--- a/activerecord/lib/active_record/associations/association_collection.rb
+++ b/activerecord/lib/active_record/associations/association_collection.rb
@@ -20,7 +20,22 @@ module ActiveRecord
         super
         construct_sql
       end
-      
+
+      delegate :group, :order, :limit, :joins, :where, :preload, :eager_load, :to => :scoped
+
+      def select(select = nil, &block)
+        if block_given?
+          load_target
+          @target.select(&block)
+        else
+          scoped.select(select)
+        end
+      end
+
+      def scoped
+        with_scope(construct_scope) { @reflection.klass.scoped }
+      end
+
       def find(*args)
         options = args.extract_options!
 
@@ -383,7 +398,7 @@ module ActiveRecord
           loaded if target
           target
         end
-        
+
         def method_missing(method, *args)
           if @target.respond_to?(method) || (!@reflection.klass.respond_to?(method) && Class.respond_to?(method))
             if block_given?
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index 8f37fcd515..c0d8904bc8 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -221,9 +221,9 @@ module ActiveRecord
       if new_record
         association
       elsif association.loaded?
-        autosave ? association : association.select { |record| record.new_record? }
+        autosave ? association : association.find_all { |record| record.new_record? }
       else
-        autosave ? association.target : association.target.select { |record| record.new_record? }
+        autosave ? association.target : association.target.find_all { |record| record.new_record? }
       end
     end