class TaskReference < ActiveRecord::Base
def destroy
# make sure we do not try to destroy non-existing references
super if TaskReference.exists? self
end
end
6 days ago
class MoveCustomersToStopThru < ActiveRecord::Migration
def self.up
Load.class_eval do
has_and_belongs_to_many :customers
end
add_column :loads, :customer_id, :integer
add_column :loads, :stop_thru_id, :integer
Load.all.each do |load|
cs = load.customers
load.customer = cs[0]
load.stop_thru = cs[1]
load.save
end
change_column :loads, :customer_id, :integer, :null => false
drop_table :customers_loads
end
def self.down
end
end
6 days ago
