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class ChangeFamilyInOs < ActiveRecord::Migration[4.2]
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def up
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add_column :operatingsystems, :type, :string, :limit => 16
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add_index :operatingsystems, :type
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remove_column :operatingsystems, :family_id
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end
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def down
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add_column :operatingsystems, :family_id, :integer
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remove_index :operatingsystems, :type
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remove_column :operatingsystems, :type
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end
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end
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