Chris@909: class ChangeUsersMailNotificationToString < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     rename_column :users, :mail_notification, :mail_notification_bool
Chris@909:     add_column :users, :mail_notification, :string, :default => '', :null => false
Chris@909:     User.update_all("mail_notification = 'all'", "mail_notification_bool = #{connection.quoted_true}")
Chris@909:     User.update_all("mail_notification = 'selected'", "EXISTS (SELECT 1 FROM #{Member.table_name} WHERE #{Member.table_name}.mail_notification = #{connection.quoted_true} AND #{Member.table_name}.user_id = #{User.table_name}.id)")
Chris@909:     User.update_all("mail_notification = 'only_my_events'", "mail_notification NOT IN ('all', 'selected')")
Chris@909:     remove_column :users, :mail_notification_bool
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     rename_column :users, :mail_notification, :mail_notification_char
Chris@909:     add_column :users, :mail_notification, :boolean, :default => true, :null => false
Chris@909:     User.update_all("mail_notification = #{connection.quoted_false}", "mail_notification_char <> 'all'")
Chris@909:     remove_column :users, :mail_notification_char
Chris@909:   end
Chris@909: end