ref: master
db/migrate/20110222211802_remove_action_tracker_records_with_nil_users.rb
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class RemoveActionTrackerRecordsWithNilUsers < ActiveRecord::Migration # This migration is a copy of 20110127174236_remove_action_tracker_record_with_nil_users.rb def self.up ActionTracker::Record.all.map {|record| record.destroy if record.user.nil?} end def self.down say "this migration can't be reverted" end end |