obsolete.ChilliProject/db/migrate/20110729125454_remove_doubl...

11 lines
419 B
Ruby

class RemoveDoubleInitialWikiContentJournals < ActiveRecord::Migration
def self.up
# Remove the newest initial WikiContentJournal (the one erroneously created by a former migration) if there are more than one
WikiContentJournal.find(:all, :conditions => {:version => 1}).group_by(&:journaled_id).select {|k,v| v.size > 1}.each {|k,v| v.max_by(&:created_at).delete}
end
def self.down
# noop
end
end