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class FakeUser < ApplicationRecord
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self.table_name = 'users'
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end
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class ChangeNilAdminUsersToFalse < ActiveRecord::Migration[4.2]
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def up
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FakeUser.where(:admin => nil).update_all(:admin => false)
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change_column :users, :admin, :boolean, :null => false, :default => false
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end
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def down
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change_column :users, :admin, :boolean, :null => true, :default => nil
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end
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end
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