Avoid touching journaled objects on backdated journal creation.

db/migrate/20100714111653_build_initial_journals_for_acts_as_journalized.rb

@@ -28,6 +28,12 @@ class BuildInitialJournalsForActsAsJournalized < ActiveRecord::Migration
     [Message, Attachment, Document, Changeset, Issue, TimeEntry, News].each do |p|
       say_with_time("Building initial journals for #{p.class_name}") do
 
+        # avoid touching the journaled object on journal creation
+        p.journal_class.class_exec {
+          def touch_journaled_after_creation
+          end
+        }
+
         activity_type = p.activity_provider_options.keys.first
 
         # Create initial journals

db/migrate/20100804112053_merge_wiki_versions_with_journals.rb

@@ -18,6 +18,12 @@ class MergeWikiVersionsWithJournals < ActiveRecord::Migration
       WikiContent.const_set("Version", Class.new(ActiveRecord::Base))
     end
 
+    # avoid touching WikiContent on journal creation
+    WikiContentJournal.class_exec {
+      def touch_journaled_after_creation
+      end
+    }
+
     WikiContent::Version.find_by_sql("SELECT * FROM wiki_content_versions").each do |wv|
       journal = WikiContentJournal.create!(:journaled_id => wv.wiki_content_id, :user_id => wv.author_id,
         :notes => wv.comments, :created_at => wv.updated_on, :activity_type => "wiki_edits")