Added Base#reload that reloads the attributes of an object from the database #422 [Andreas Schwarz]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@376 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 8 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index bd7195a33b..8be5c7302a 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -874,6 +874,13 @@ module ActiveRecord #:nodoc:
         toggle(attribute).update_attribute(attribute, self[attribute])
       end
 
+      # Reloads the attributes of this object from the database.
+      def reload
+        clear_association_cache
+        @attributes.update(self.class.find(self.id).instance_variable_get('@attributes'))
+        return self
+      end
+
       # Returns the value of attribute identified by <tt>attr_name</tt> after it has been type cast (for example, 
       # "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)).
       # (Alias for the protected read_attribute method).
@@ -1211,4 +1218,4 @@ module ActiveRecord #:nodoc:
         string[0..3] == "--- "
       end
   end
-end
\ No newline at end of file
+end