Ensure :select passed in options overrides the one from the scope. [#239

 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

activerecord/lib/active_record/base.rb

@@ -1457,7 +1457,7 @@ def type_name_with_module(type_name)
 
         def construct_finder_sql(options)
           scope = scope(:find)
-          sql  = "SELECT #{(scope && scope[:select]) || options[:select] || (options[:joins] && quoted_table_name + '.*') || '*'} "
+          sql  = "SELECT #{options[:select] || (scope && scope[:select]) || (options[:joins] && quoted_table_name + '.*') || '*'} "
           sql << "FROM #{(scope && scope[:from]) || options[:from] || quoted_table_name} "
 
           add_joins!(sql, options, scope)

activerecord/test/cases/method_scoping_test.rb

@@ -50,6 +50,22 @@ def test_scoped_find_all
     end
   end
 
+  def test_scoped_find_select
+    Developer.with_scope(:find => { :select => "id, name" }) do
+      developer = Developer.find(:first, :conditions => "name = 'David'")
+      assert_equal "David", developer.name
+      assert !developer.has_attribute?(:salary)
+    end
+  end
+
+  def test_options_select_replaces_scope_select
+    Developer.with_scope(:find => { :select => "id, name" }) do
+      developer = Developer.find(:first, :select => 'id, salary', :conditions => "name = 'David'")
+      assert_equal 80000, developer.salary
+      assert !developer.has_attribute?(:name)
+    end
+  end
+
   def test_scoped_count
     Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
       assert_equal 1, Developer.count