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Make migration robust to model changes

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Jason Denney 2013-11-11 17:43:00 -05:00
parent 076a59ab45
commit af05d1a0c6
1 changed files with 2 additions and 4 deletions
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db/migrate/20131019170248_alter_bike_wheel_to_id.rb
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@ -11,8 +11,7 @@ class AlterBikeWheelToId < ActiveRecord::Migration
else else
wheel_size_id = wheel_size.id wheel_size_id = wheel_size.id
end end
bike.bike_wheel_size_id = wheel_size_id bike.update_attribute(:bike_wheel_size_id, wheel_size_id)
bike.save
end end
remove_column :bikes, :wheel_size remove_column :bikes, :wheel_size
@ -24,8 +23,7 @@ class AlterBikeWheelToId < ActiveRecord::Migration
Bike.find_each do |bike| Bike.find_each do |bike|
wheel_size = BikeWheelSize.find_by_id(bike['bike_wheel_size_id']) wheel_size = BikeWheelSize.find_by_id(bike['bike_wheel_size_id'])
bike.wheel_size = wheel_size.rdin.to_i bike.update_attribute(:wheel_size, wheel_size["rdin"].to_i)
bike.save
end end
remove_column :bikes, :bike_wheel_size_id remove_column :bikes, :bike_wheel_size_id