Cache Model.arel_table

rails · Jan 16, 2010 · 6e3bee6 · 6e3bee6
1 parent 6806483
commit 6e3bee6
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
@@ -1388,7 +1388,7 @@ def column_methods_hash #:nodoc:
       def reset_column_information
         undefine_attribute_methods
         @column_names = @columns = @columns_hash = @content_columns = @dynamic_methods_hash = @inheritance_column = nil
-        @arel_engine = @unscoped = nil
+        @arel_engine = @unscoped = @arel_table = nil
       end
 
       def reset_column_information_and_inheritable_attributes_for_all_subclasses#:nodoc:
@@ -1506,8 +1506,8 @@ def unscoped
         finder_needs_type_condition? ? @unscoped.where(type_condition) : @unscoped
       end
 
-      def arel_table(table_name_alias = nil)
-        Arel::Table.new(table_name, :as => table_name_alias, :engine => arel_engine)
+      def arel_table
+        @arel_table ||= Arel::Table.new(table_name, :engine => arel_engine)
       end
 
       def arel_engine