From 542cb5c327f92d3f6ae6159a54e86949441f095e Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Tue, 30 Nov 2010 18:46:56 -0800
Subject: fix warnings, stop using global variables

---
 activerecord/lib/active_record/relation/query_methods.rb | 6 ++----
 activerecord/test/cases/nested_attributes_test.rb        | 3 +--
 activerecord/test/models/pet.rb                          | 6 +++++-
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 30cd4f4477..0483950db7 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -243,12 +243,10 @@ module ActiveRecord
     end
 
     def build_joins(relation, joins)
-      association_joins = []
-
       joins = joins.map {|j| j.respond_to?(:strip) ? j.strip : j}.uniq
 
-      joins.each do |join|
-        association_joins << join if [Hash, Array, Symbol].include?(join.class) && !array_of_strings?(join)
+      association_joins = joins.find_all do |join|
+        [Hash, Array, Symbol].include?(join.class) && !array_of_strings?(join)
       end
 
       stashed_association_joins = joins.grep(ActiveRecord::Associations::ClassMethods::JoinDependency::JoinAssociation)
diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb
index fb6a239545..ffcc7a081a 100644
--- a/activerecord/test/cases/nested_attributes_test.rb
+++ b/activerecord/test/cases/nested_attributes_test.rb
@@ -848,13 +848,12 @@ class TestNestedAttributesWithNonStandardPrimaryKeys < ActiveRecord::TestCase
   def test_attr_accessor_of_child_should_be_value_provided_during_update_attributes
     @owner = owners(:ashley)
     @pet1 = pets(:chew)
-    assert_equal nil, $current_user
     attributes = {:pets_attributes => { "1"=> { :id => @pet1.id,
                                                 :name => "Foo2",
                                                 :current_user => "John",
                                                 :_destroy=>true }}}
     @owner.update_attributes(attributes)
-    assert_equal 'John', $after_destroy_callback_output
+    assert_equal 'John', Pet.after_destroy_output
   end
 
 end
diff --git a/activerecord/test/models/pet.rb b/activerecord/test/models/pet.rb
index 570db4c8d5..113826756a 100644
--- a/activerecord/test/models/pet.rb
+++ b/activerecord/test/models/pet.rb
@@ -6,8 +6,12 @@ class Pet < ActiveRecord::Base
   belongs_to :owner, :touch => true
   has_many :toys
 
+  class << self
+    attr_accessor :after_destroy_output
+  end
+
   after_destroy do |record|
-    $after_destroy_callback_output = record.current_user
+    Pet.after_destroy_output = record.current_user
   end
 
 end
-- 
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