lib/metabolical/meta_datum.rb in metabolical-0.0.2 vs lib/metabolical/meta_datum.rb in metabolical-0.0.3

@@ -1,6 +1,17 @@
+require 'active_record/version'
 module Metabolical
   class MetaDatum < ActiveRecord::Base
     belongs_to :metabolized, :polymorphic => true
-    serialize :data
+    if Gem::Version.new(ActiveRecord::VERSION::STRING) >= Gem::Version.new("3.1.0")
+      serialize :data
+    else
+      def data=(val)
+        write_attribute(:data, val.to_yaml)
+      end
+
+      def data
+        read_attribute(:data).blank? ? nil : YAML.load(read_attribute(:data))
+      end
+    end
   end
 end
\ No newline at end of file