17 lines
315 B
Ruby
17 lines
315 B
Ruby
class AddNumberToComics < ActiveRecord::Migration
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def self.up
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add_column :comics, :number, :integer, :null => false
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number = 1
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Comic.ordered.each do |comic|
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comic.number = number
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comic.save
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number += 1
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end
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end
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def self.down
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remove_column :comics, :number
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end
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end
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