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-rw-r--r--activerecord/lib/active_record/serializers/xml_serializer.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/serializers/xml_serializer.rb b/activerecord/lib/active_record/serializers/xml_serializer.rb
index c2484d02ed..89b7e0be82 100644
--- a/activerecord/lib/active_record/serializers/xml_serializer.rb
+++ b/activerecord/lib/active_record/serializers/xml_serializer.rb
@@ -180,9 +180,9 @@ module ActiveRecord #:nodoc:
class Attribute < ActiveModel::Serializers::Xml::Serializer::Attribute #:nodoc:
def compute_type
klass = @serializable.class
- column = klass.columns_hash[name] || Type::Value.new
+ cast_type = klass.type_for_attribute(name)
- type = ActiveSupport::XmlMini::TYPE_NAMES[value.class.name] || column.type
+ type = ActiveSupport::XmlMini::TYPE_NAMES[value.class.name] || cast_type.type
{ :text => :string,
:time => :datetime }[type] || type