only cache the primary key column in one place

rails · Jun 13, 2013 · bf966ad · bf966ad
1 parent cbff6ee
commit bf966ad
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
@@ -226,7 +226,7 @@ def type
       end
 
       def primary_key_column
-        @primary_key_column ||= klass.columns.find { |c| c.name == klass.primary_key }
+        klass.columns_hash[klass.primary_key]
       end
 
       def association_foreign_key