Velocipede's User, Sales, and Bike Inventory Web App
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class UserEmailCanBeNull < ActiveRecord::Migration
def up
change_table :users do |t|
t.change :email, :string, default: nil, null: true
end
User.where(email: '').update_all(email: nil)
end
def down
change_table :users do |t|
t.change :email, :string, default: '', null: false
end
end
end