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35 lines
789 B
35 lines
789 B
11 years ago
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class AlterBikeWheelToId < ActiveRecord::Migration
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def up
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add_column :bikes, :bike_wheel_size_id, :integer
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undetermined_id = BikeWheelSize.find_by_rdin("0")
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Bike.find_each do |bike|
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wheel_size = BikeWheelSize.find_by_rdin(bike.wheel_size.to_s)
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if wheel_size.nil?
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wheel_size_id = undetermined_id
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else
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wheel_size_id = wheel_size.id
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end
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bike.bike_wheel_size_id = wheel_size_id
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bike.save
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end
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remove_column :bikes, :wheel_size
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end
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def down
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add_column :bikes, :wheel_size, :integer
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Bike.find_each do |bike|
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wheel_size = BikeWheelSize.find_by_id(bike.bike_wheel_size_id)
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bike.wheel_size = wheel_size.rdin.to_i
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bike.save
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end
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remove_column :bikes, :bike_wheel_size_id
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end
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end
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